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pre
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<p class=ab><a name="_Toc53320629"><span style='font-family:ºÚÌå'>³ÌÐò</span><span
lang=EN-US>10-2 linux/kernel/chr_drv/console.c</span></a></p>
<div class=a align=center style='text-align:center'><span lang=EN-US>
<hr size=4 width="100%" align=center>
</span></div>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>1</span></u> <b><i>/*</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>2</span></u> <b><i>&nbsp;*&nbsp;
linux/kernel/console.c</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>3</span></u> <b><i>&nbsp;*</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>4</span></u> <b><i>&nbsp;*&nbsp;
(C) 1991&nbsp; Linus Torvalds</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>5</span></u> <b><i>&nbsp;*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>6</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>7</span></u> <b><i>/*</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>8</span></u> <b><i>&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
console.c</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>9</span></u> <b><i>&nbsp;*</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>10</span></u> <b><i>&nbsp;*
This module implements the console io functions</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>11</span></u> <b><i>&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
'void con_init(void)'</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>12</span></u> <b><i>&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
'void con_write(struct tty_queue * queue)'</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>13</span></u> <b><i>&nbsp;*
Hopefully this will be a rather complete VT102 implementation.</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>14</span></u> <b><i>&nbsp;*</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>15</span></u> <b><i>&nbsp;*
Beeping thanks to John T Kohl.</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>16</span></u> <b><i>&nbsp;*
</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>17</span></u> <b><i>&nbsp;*
Virtual Consoles, Screen Blanking, Screen Dumping, Color, Graphics</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>18</span></u> <b><i>&nbsp;*&nbsp;&nbsp;
Chars, and VT100 enhancements by Peter MacDonald.</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>19</span></u> <b><i>&nbsp;*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; /*</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;
*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; console.c</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; *</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>¸ÃÄ£¿éʵÏÖ¿ØÖÆÌ¨ÊäÈëÊä³ö¹¦ÄÜ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; *&nbsp;&nbsp;&nbsp;&nbsp; 'void
con_init(void)'</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; *&nbsp;&nbsp;&nbsp;&nbsp;
'void con_write(struct tty_queue * queue)'</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>Ï£ÍûÕâÊÇÒ»¸ö·Ç³£ÍêÕûµÄ<span
lang=EN-US>VT102</span>ʵÏÖ¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; *</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>¸Ðл<span
lang=EN-US>John T Kohl </span>ʵÏÖÁË·äÃùָʾ×Ó³ÌÐò¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; *</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>ÐéÄâ¿ØÖÆÌ¨¡¢ÆÁÄ»ºÚÆÁ´¦Àí¡¢ÆÁÄ»¿½±´¡¢²ÊÉ«´¦Àí¡¢Í¼ÐÎ×Ö·ûÏÔʾÒÔ¼°</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * VT100</span>ÖÕ¶ËÔöÇ¿²Ù×÷ÓÉ<span
lang=EN-US>Peter MacDonald</span>±àÖÆ¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; */</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>20</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>21</span></u> <b><i>/*</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>22</span></u> <b><i>&nbsp;*&nbsp;
NOTE!!! We sometimes disable and enable interrupts for a short while</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>23</span></u> <b><i>&nbsp;*
(to put a word in video IO), but this will work even for keyboard</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>24</span></u> <b><i>&nbsp;*
interrupts. We know interrupts aren't enabled when getting a keyboard</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>25</span></u> <b><i>&nbsp;*
interrupt, as we use trap-gates. Hopefully all is well.</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>26</span></u> <b><i>&nbsp;*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; /*</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>×¢Òâ<span
lang=EN-US>!!! </span>ÎÒÃÇÓÐʱ¶ÌÔݵؽûÖ¹ºÍÔÊÐíÖжϣ¨µ±Êä³öÒ»¸ö×Ö<span lang=EN-US>(word) </span>µ½ÊÓÆµ<span
lang=EN-US>IO</span>£©£¬µ«</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>¼´Ê¹¶ÔÓÚ¼üÅÌÖжÏÕâÒ²ÊÇ¿ÉÒÔ¹¤×÷µÄ¡£ÒòΪÎÒÃÇʹÓÃÏÝÚåÃÅ£¬ËùÒÔÎÒÃÇÖªµÀÔÚ´¦Àí</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>Ò»¸ö¼üÅÌÖжϹý³ÌÆÚ¼äÖжÏÊDZ»½ûÖ¹µÄ¡£Ï£ÍûÒ»ÇоùÕý³£¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; */</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>27</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>28</span></u> <b><i>/*</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>29</span></u> <b><i>&nbsp;*
Code to check for different video-cards mostly by Galen Hunt,</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>30</span></u> <b><i>&nbsp;*
&lt;g-hunt@ee.utah.edu&gt;</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>31</span></u> <b><i>&nbsp;*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; /*</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>¼ì²â²»Í¬ÏÔʾ¿¨µÄ´ó¶àÊý´úÂëÊÇ<span
lang=EN-US>Galen Hunt</span>±àдµÄ£¬</p>
<p class=a><span lang=EN-US>&nbsp; &nbsp;&nbsp;&nbsp;*
&lt;g-hunt@ee.utah.edu&gt;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; */</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>32</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>33</span></u>
#include &lt;linux/sched.h&gt;&nbsp; // </span>µ÷¶È³ÌÐòÍ·Îļþ£¬¶¨ÒåÈÎÎñ½á¹¹<span lang=EN-US>task_struct</span>¡¢ÈÎÎñ<span
lang=EN-US>0</span>Êý¾ÝµÈ¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>34</span></u>
#include &lt;linux/tty.h&gt;&nbsp;&nbsp;&nbsp; // tty</span>Í·Îļþ£¬¶¨ÒåÓйØ<span
lang=EN-US>tty_io</span>£¬´®ÐÐͨÐÅ·½ÃæµÄ²ÎÊý¡¢³£Êý¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>35</span></u>
#include &lt;linux/config.h&gt; // </span>ÄÚºËÅäÖÃÍ·Îļþ¡£¶¨ÒåÓ²ÅÌÀàÐÍ£¨<span lang=EN-US>HD_TYPE</span>£©¿ÉÑ¡Ïî¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>36</span></u>
#include &lt;linux/kernel.h&gt; // </span>ÄÚºËÍ·Îļþ¡£º¬ÓÐһЩÄں˳£Óú¯ÊýµÄÔ­Ðζ¨Òå¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>37</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>38</span></u>
#include &lt;asm/io.h&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // io</span>Í·Îļþ¡£¶¨ÒåÓ²¼þ¶Ë¿ÚÊäÈë<span
lang=EN-US>/</span>Êä³öºê»ã±àÓï¾ä¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>39</span></u>
#include &lt;asm/system.h&gt;&nbsp;&nbsp; // </span>ϵͳͷÎļþ¡£¶¨ÒåÉèÖûòÐÞ¸ÄÃèÊö·û<span
lang=EN-US>/</span>ÖжÏÃŵȵĻã±àºê¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>40</span></u>
#include &lt;asm/segment.h&gt;&nbsp; // </span>¶Î²Ù×÷Í·Îļþ¡£¶¨ÒåÁËÓйضμĴæÆ÷²Ù×÷µÄǶÈëʽ»ã±àº¯Êý¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>41</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>42</span></u>
#include &lt;string.h&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // </span>×Ö·û´®Í·Îļþ¡£Ö÷Òª¶¨ÒåÁËһЩÓйØ×Ö·û´®²Ù×÷µÄǶÈ뺯Êý¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>43</span></u>
#include &lt;errno.h&gt;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;// </span>´íÎóºÅÍ·Îļþ¡£°üº¬ÏµÍ³Öи÷ÖÖ³ö´íºÅ¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>44</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¸Ã·ûºÅ³£Á¿¶¨ÒåÖÕ¶Ë<span
lang=EN-US>IO</span>½á¹¹µÄĬÈÏÊý¾Ý¡£ÆäÖзûºÅ³£ÊýÇë²ÎÕÕ<span lang=EN-US>include/termios.h</span>Îļþ¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>45</span></u>
#define <u><span style='color:blue'>DEF_TERMIOS</span></u> \</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>46</span></u>
(struct <u><span style='color:blue'>termios</span></u>) { \</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>47</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>ICRNL</span></u>, \</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>48</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>OPOST</span></u> | <u><span style='color:blue'>ONLCR</span></u>,
\</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>49</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
0, \</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>50</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>IXON</span></u> | <u><span style='color:blue'>ISIG</span></u>
| <u><span style='color:blue'>ICANON</span></u> | <u><span style='color:blue'>ECHO</span></u>
| <u><span style='color:blue'>ECHOCTL</span></u> | <u><span style='color:blue'>ECHOKE</span></u>,
\</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>51</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
0, \</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>52</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>INIT_C_CC</span></u> \</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>53</span></u> }</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>54</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>55</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>56</span></u> <b><i>/*</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>57</span></u> <b><i>&nbsp;*
These are set up by the setup-routine at boot-time:</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>58</span></u> <b><i>&nbsp;*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; /*</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>ÕâЩÊÇ<span
lang=EN-US>setup</span>³ÌÐòÔÚÒýµ¼Æô¶¯ÏµÍ³Ê±ÉèÖõIJÎÊý£º</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; */</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²Î¼û¶Ô<span lang=EN-US>boot/setup.s</span>µÄ×¢ÊͺÍ<span
lang=EN-US>setup</span>³ÌÐò¶ÁÈ¡²¢±£ÁôµÄϵͳ²ÎÊý±í¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>59</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>60</span></u>
#define <u><span style='color:blue'>ORIG_X</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(*(unsigned char *)0x90000)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // </span>³õʼ¹â±êÁкš£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>61</span></u>
#define <u><span style='color:blue'>ORIG_Y</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(*(unsigned char *)0x90001)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // </span>³õʼ¹â±êÐкš£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>62</span></u>
#define <u><span style='color:blue'>ORIG_VIDEO_PAGE</span></u>&nbsp;&nbsp;
(*(unsigned short *)0x90004)&nbsp;&nbsp;&nbsp;&nbsp; // </span>³õʼÏÔÊ¾Ò³Ãæ¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>63</span></u>
#define <u><span style='color:blue'>ORIG_VIDEO_MODE</span></u>&nbsp;&nbsp; ((*(unsigned
short *)0x90006) &amp; 0xff) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//
</span>ÏÔʾģʽ¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>64</span></u>
#define <u><span style='color:blue'>ORIG_VIDEO_COLS</span></u>&nbsp;&nbsp;
(((*(unsigned short *)0x90006) &amp; 0xff00) &gt;&gt; 8) // </span>ÆÁÄ»ÁÐÊý¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>65</span></u>
#define <u><span style='color:blue'>ORIG_VIDEO_LINES</span></u>&nbsp;
((*(unsigned short *)0x9000e) &amp; 0xff)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÆÁÄ»ÐÐÊý¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>66</span></u>
#define <u><span style='color:blue'>ORIG_VIDEO_EGA_AX</span></u> (*(unsigned
short *)0x90008)&nbsp;&nbsp;&nbsp;&nbsp; // [??]</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>67</span></u>
#define <u><span style='color:blue'>ORIG_VIDEO_EGA_BX</span></u> (*(unsigned
short *)0x9000a)&nbsp; &nbsp;&nbsp;&nbsp;// </span>ÏÔʾÄÚ´æ´óСºÍÉ«²Êģʽ¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>68</span></u>
#define <u><span style='color:blue'>ORIG_VIDEO_EGA_CX</span></u> (*(unsigned
short *)0x9000c)&nbsp;&nbsp;&nbsp;&nbsp; // </span>ÏÔʾ¿¨ÌØÐÔ²ÎÊý¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>69</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¶¨ÒåÏÔʾÆ÷µ¥É«<span
lang=EN-US>/</span>²ÊÉ«ÏÔʾģʽÀàÐÍ·ûºÅ³£Êý¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>70</span></u>
#define <u><span style='color:blue'>VIDEO_TYPE_MDA</span></u>&nbsp;&nbsp;&nbsp;
0x10&nbsp;&nbsp;&nbsp; <b><i>/* Monochrome Text Display&nbsp;&nbsp;&nbsp;&nbsp;
*/</i></b>&nbsp; /* </span>µ¥É«Îı¾<span lang=EN-US>&nbsp;&nbsp; */</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>71</span></u>
#define <u><span style='color:blue'>VIDEO_TYPE_CGA</span></u>&nbsp;&nbsp;&nbsp;
0x11&nbsp;&nbsp;&nbsp; <b><i>/* CGA
Display&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*/</i></b>&nbsp; /* CGA</span>ÏÔʾÆ÷<span lang=EN-US>&nbsp; */</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>72</span></u>
#define <u><span style='color:blue'>VIDEO_TYPE_EGAM</span></u>&nbsp;&nbsp;
0x20&nbsp;&nbsp;&nbsp; <b><i>/* EGA/VGA in Monochrome Mode&nbsp; */</i></b>&nbsp;
/* EGA/VGA</span>µ¥É«<span lang=EN-US>*/</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>73</span></u>
#define <u><span style='color:blue'>VIDEO_TYPE_EGAC</span></u>&nbsp;&nbsp;
0x21&nbsp;&nbsp;&nbsp; <b><i>/* EGA/VGA in Color
Mode&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; */</i></b>&nbsp; /* EGA/VGA</span>²ÊÉ«<span
lang=EN-US>*/</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>74</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>75</span></u>
#define <u><span style='color:blue'>NPAR</span></u> 16&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>תÒå×Ö·ûÐòÁÐÖÐ×î´ó²ÎÊý¸öÊý¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>76</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>77</span></u> int
<u><span style='color:blue'>NR_CONSOLES</span></u> = 0; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//
</span>ϵͳʵ¼ÊÖ§³ÖµÄÐéÄâ¿ØÖÆÌ¨ÊýÁ¿¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>78</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>79</span></u>
extern void <u><span style='color:blue'>keyboard_interrupt</span></u>(void);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>¼üÅÌÖжϴ¦Àí³ÌÐò£¨<span lang=EN-US>keyboard.S</span>£©¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>80</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÒÔÏÂÕâЩ¾²Ì¬±äÁ¿ÊDZ¾Îļþº¯ÊýÖÐʹÓõÄһЩȫ¾Ö±äÁ¿¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //
video_type;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>ʹÓõÄÏÔʾÀàÐÍ£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //
video_num_columns;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>ÆÁÄ»Îı¾ÁÐÊý£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //
video_mem_base;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>ÎïÀíÏÔʾÄÚ´æ»ùµØÖ·£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //
video_mem_term;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>ÎïÀíÏÔʾÄÚ´æÄ©¶ËµØÖ·£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //
video_size_row;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>ÆÁĻÿÐÐʹÓõÄ×Ö½ÚÊý£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //
video_num_lines;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>ÆÁÄ»Îı¾ÐÐÊý£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //
video_page;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>³õÊÔÏÔÊ¾Ò³Ãæ£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //
video_port_reg;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>ÏÔʾ¿ØÖÆÑ¡Ôñ¼Ä´æÆ÷¶Ë¿Ú£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //
video_port_val;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>ÏÔʾ¿ØÖÆÊý¾Ý¼Ä´æÆ÷¶Ë¿Ú¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>81</span></u>
static unsigned char&nbsp;&nbsp;&nbsp; <u><span style='color:blue'>video_type</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b><i>/* Type of display being used&nbsp;&nbsp;
*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>82</span></u>
static unsigned long&nbsp;&nbsp;&nbsp; <u><span style='color:blue'>video_num_columns</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><i>/* Number of text columns&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; */</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>83</span></u>
static unsigned long&nbsp;&nbsp;&nbsp; <u><span style='color:blue'>video_mem_base</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><i>/* Base of video memory&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>84</span></u>
static unsigned long&nbsp;&nbsp;&nbsp; <u><span style='color:blue'>video_mem_term</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><i>/* End of video
memory&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; */</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>85</span></u>
static unsigned long&nbsp;&nbsp;&nbsp; <u><span style='color:blue'>video_size_row</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><i>/* Bytes per
row&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>86</span></u>
static unsigned long&nbsp;&nbsp;&nbsp; <u><span style='color:blue'>video_num_lines</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><i>/* Number of test lines&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>87</span></u>
static unsigned char&nbsp;&nbsp;&nbsp; <u><span style='color:blue'>video_page</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><i>/* Initial video
page&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; */</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>88</span></u>
static unsigned short&nbsp;&nbsp; <u><span style='color:blue'>video_port_reg</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><i>/* Video register select port&nbsp;&nbsp; */</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>89</span></u>
static unsigned short&nbsp;&nbsp; <u><span style='color:blue'>video_port_val</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><i>/* Video register value port&nbsp;&nbsp;&nbsp; */</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>90</span></u>
static int <u><span style='color:blue'>can_do_colour</span></u> = 0;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>±êÖ¾£º¿ÉʹÓòÊÉ«¹¦ÄÜ¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>91</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÐéÄâ¿ØÖÆÌ¨½á¹¹¡£ÆäÖаüº¬Ò»¸öÐéÄâ¿ØÖÆÌ¨µÄµ±Ç°ËùÓÐÐÅÏ¢¡£ÆäÖÐ<span
lang=EN-US>vc_origin</span>ºÍ<span lang=EN-US>vc_scr_end</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Êǵ±Ç°ÕýÔÚ´¦ÀíµÄÐéÄâ¿ØÖÆÌ¨Ö´ÐпìËÙ¹öÆÁ²Ù×÷ʱʹÓÃµÄÆðʼÐкÍÄ©ÐжÔÓ¦µÄÏÔʾÄÚ´æÎ»Öá£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // vc_video_mem_start</span>ºÍ<span
lang=EN-US>vc_video_mem_end</span>Êǵ±Ç°ÐéÄâ¿ØÖÆÌ¨Ê¹ÓõÄÏÔʾÄÚ´æÇøÓò²¿·Ö¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // vc -- Virtual Console</span>¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>92</span></u>
static struct {</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>93</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
unsigned short&nbsp; vc_video_erase_char;&nbsp;&nbsp;&nbsp; // </span>²Á³ý×Ö·ûÊôÐÔ¼°×Ö·û£¨<span
lang=EN-US>0x0720</span>£©</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>94</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
unsigned char&nbsp;&nbsp; vc_attr;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>×Ö·ûÊôÐÔ¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>95</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
unsigned char&nbsp;&nbsp; vc_def_attr;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ĬÈÏ×Ö·ûÊôÐÔ¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>96</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
int&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
vc_bold_attr;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // </span>´ÖÌå×Ö·ûÊôÐÔ¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>97</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
unsigned long&nbsp;&nbsp; vc_ques;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÎʺÅ×Ö·û¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>98</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
unsigned long&nbsp;&nbsp; vc_state;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>´¦ÀíתÒå»ò¿ØÖÆÐòÁеĵ±Ç°×´Ì¬¡£</p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>99</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
unsigned long&nbsp;&nbsp; vc_restate;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>´¦ÀíתÒå»ò¿ØÖÆÐòÁеÄÏÂһ״̬¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>100</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned
long&nbsp;&nbsp; vc_checkin;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>101</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned
long&nbsp;&nbsp;
vc_origin;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><i>/* Used for EGA/VGA fast scroll */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>102</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned
long&nbsp;&nbsp;
vc_scr_end;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><i>/* Used for EGA/VGA fast scroll */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>103</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned
long&nbsp;&nbsp; vc_pos;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>µ±Ç°¹â±ê¶ÔÓ¦µÄÏÔʾÄÚ´æÎ»Öá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>104</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned
long&nbsp;&nbsp; vc_x,vc_y;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>µ±Ç°¹â±êÁС¢ÐÐÖµ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>105</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned
long&nbsp;&nbsp; vc_top,vc_bottom;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // </span>¹ö¶¯Ê±¶¥ÐÐÐкţ»µ×ÐÐÐкš£</p>
<p class=a><u><span lang=EN-US style='color:blue'>106</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned
long&nbsp;&nbsp; vc_npar,vc_par[<u><span style='color:blue'>NPAR</span></u>];&nbsp;&nbsp;
// </span>תÒåÐòÁвÎÊý¸öÊýºÍ²ÎÊýÊý×é¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>107</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned
long&nbsp;&nbsp; vc_video_mem_start;&nbsp;&nbsp;&nbsp;&nbsp; <b><i>/* Start of video
RAM&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>108</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned
long&nbsp;&nbsp; vc_video_mem_end;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b><i>/*
End of video RAM (sort of)&nbsp;&nbsp; */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>109</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned
int&nbsp;&nbsp;&nbsp; vc_saved_x;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>±£´æµÄ¹â±êÁкš£</p>
<p class=a><u><span lang=EN-US style='color:blue'>110</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned
int&nbsp;&nbsp;&nbsp; vc_saved_y;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>±£´æµÄ¹â±êÐкš£</p>
<p class=a><u><span lang=EN-US style='color:blue'>111</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned
int&nbsp;&nbsp;&nbsp; vc_iscolor;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>²ÊÉ«ÏÔʾ±êÖ¾¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>112</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; char
*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vc_translate;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ʹÓõÄ×Ö·û¼¯¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>113</span></u><span
lang=EN-US> } <u><span style='color:blue'>vc_cons</span></u> [<u><span
style='color:blue'>MAX_CONSOLES</span></u>];</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>114</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ΪÁ˱ãÓÚÒýÓã¬ÒÔ϶¨Ò嵱ǰÕýÔÚ´¦Àí¿ØÖÆÌ¨ÐÅÏ¢µÄ·ûºÅ¡£º¬ÒåͬÉÏ¡£ÆäÖÐ<span
lang=EN-US>currcons</span>ÊÇʹÓÃ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // vc_cons[]</span>½á¹¹µÄº¯Êý²ÎÊýÖеĵ±Ç°ÐéÄâÖն˺š£</p>
<p class=a><u><span lang=EN-US style='color:blue'>115</span></u><span
lang=EN-US> #define <u><span style='color:blue'>origin</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_origin)&nbsp; // </span>¿ìËÙ¹öÆÁ²Ù×÷ÆðʼÄÚ´æÎ»Öá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>116</span></u><span
lang=EN-US> #define <u><span style='color:blue'>scr_end</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_scr_end) // </span>¿ìËÙ¹öÆÁ²Ù×÷Ä©¶ËÄÚ´æÎ»Öá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>117</span></u><span
lang=EN-US> #define <u><span style='color:blue'>pos</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_pos)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>118</span></u><span
lang=EN-US> #define <u><span style='color:blue'>top</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_top)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>119</span></u><span
lang=EN-US> #define <u><span style='color:blue'>bottom</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_bottom)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>120</span></u><span
lang=EN-US> #define <u><span style='color:blue'>x</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_x)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>121</span></u><span
lang=EN-US> #define <u><span style='color:blue'>y</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_y)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>122</span></u><span
lang=EN-US> #define <u><span style='color:blue'>state</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_state)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>123</span></u><span
lang=EN-US> #define <u><span style='color:blue'>restate</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_restate)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>124</span></u><span
lang=EN-US> #define <u><span style='color:blue'>checkin</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_checkin)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>125</span></u><span
lang=EN-US> #define <u><span style='color:blue'>npar</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_npar)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>126</span></u><span
lang=EN-US> #define <u><span style='color:blue'>par</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_par)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>127</span></u><span
lang=EN-US> #define <u><span style='color:blue'>ques</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_ques)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>128</span></u><span
lang=EN-US> #define <u><span style='color:blue'>attr</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_attr)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>129</span></u><span
lang=EN-US> #define <u><span style='color:blue'>saved_x</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_saved_x)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>130</span></u><span
lang=EN-US> #define <u><span style='color:blue'>saved_y</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_saved_y)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>131</span></u><span
lang=EN-US> #define <u><span style='color:blue'>translate</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_translate)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>132</span></u><span
lang=EN-US> #define <u><span style='color:blue'>video_mem_start</span></u> (<u><span
style='color:blue'>vc_cons</span></u>[currcons].vc_video_mem_start)&nbsp; // </span>ʹÓÃÏÔ´æµÄÆðʼλÖá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>133</span></u><span
lang=EN-US> #define <u><span style='color:blue'>video_mem_end</span></u>&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_video_mem_end)&nbsp;&nbsp;&nbsp;
// </span>ʹÓÃÏÔ´æµÄÄ©¶ËλÖá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>134</span></u><span
lang=EN-US> #define <u><span style='color:blue'>def_attr</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_def_attr)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>135</span></u><span
lang=EN-US> #define <u><span style='color:blue'>video_erase_char</span></u>&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_video_erase_char)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>136</span></u><span
lang=EN-US> #define <u><span style='color:blue'>iscolor</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_iscolor)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>137</span></u><span
lang=EN-US> </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>138</span></u><span
lang=EN-US> int <u><span style='color:blue'>blankinterval</span></u> = 0;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>É趨µÄÆÁÄ»ºÚÆÁ¼ä¸ôʱ¼ä¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>139</span></u><span
lang=EN-US> int <u><span style='color:blue'>blankcount</span></u> = 0;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ºÚÆÁʱ¼ä¼ÆÊý¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>140</span></u><span
lang=EN-US> </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>141</span></u><span
lang=EN-US> static void <u><span style='color:blue'>sysbeep</span></u>(void);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ϵͳ·äÃùº¯Êý¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>142</span></u><span
lang=EN-US> </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>143</span></u><span
lang=EN-US> <b><i>/*</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>144</span></u><span
lang=EN-US> <b><i>&nbsp;* this is what the terminal answers to a ESC-Z or csi0c</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>145</span></u><span
lang=EN-US> <b><i>&nbsp;* query (= vt100 response).</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>146</span></u><span
lang=EN-US> <b><i>&nbsp;*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; /*</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>ÏÂÃæÊÇÖÕ¶Ë»ØÓ¦<span
lang=EN-US>ESC-Z</span>»ò<span lang=EN-US>csi0c</span>ÇëÇóµÄÓ¦´ð£¨<span
lang=EN-US>=vt100</span>ÏìÓ¦£©¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; */</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // csi - </span>¿ØÖÆÐòÁÐÒýµ¼Âë<span
lang=EN-US>(Control Sequence Introducer)</span>¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ö÷»úͨ¹ý·¢ËͲ»´ø²ÎÊý»ò²ÎÊýÊÇ<span
lang=EN-US>0</span>µÄÉ豸ÊôÐÔ£¨<span lang=EN-US>DA</span>£©¿ØÖÆÐòÁУ¨ <span lang=EN-US>'ESC
[c' </span>»ò <span lang=EN-US>'ESC [0c' </span>£©</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÒªÇóÖÕ¶ËÓ¦´ðÒ»¸öÉ豸ÊôÐÔ¿ØÖÆÐòÁУ¨<span
lang=EN-US>ESC Z</span>µÄ×÷ÓÃÓë´ËÏàͬ£©£¬ÖÕ¶ËÔò·¢ËÍÒÔÏÂÐòÁÐÀ´ÏìÓ¦</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ö÷»ú¡£¸ÃÐòÁУ¨¼´ <span
lang=EN-US>'ESC [?1;2c' </span>£©±íʾÖÕ¶ËÊǾßÓи߼¶ÊÓÆµ¹¦ÄܵÄ<span
lang=EN-US>VT100</span>¼æÈÝÖÕ¶Ë¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>147</span></u><span
lang=EN-US> #define <u><span style='color:blue'>RESPONSE</span></u> <i>&quot;\033[?1;2c&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>148</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¶¨ÒåʹÓõÄ×Ö·û¼¯¡£ÆäÖÐÉϰ벿·ÖʱÆÕͨ<span
lang=EN-US>7</span>±ÈÌØ<span lang=EN-US>ASCII</span>´úÂ룬¼´<span lang=EN-US>US</span>×Ö·û¼¯¡£Ï°벿·Ö¶ÔÓ¦</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // VT100</span>ÖÕ¶ËÉ豸ÖеÄÏßÌõ×Ö·û£¬¼´ÏÔʾͼ±íÏßÌõµÄ×Ö·û¼¯¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>149</span></u><span
lang=EN-US> static char * <u><span style='color:blue'>translations</span></u>[]
= {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>150</span></u><span
lang=EN-US> <b><i>/* normal 7-bit ascii */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>151</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <i>&quot;
!\&quot;#$%&amp;'()*+,-./0123456789:;&lt;=&gt;?&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>152</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <i>&quot;@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>153</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <i>&quot;`abcdefghijklmnopqrstuvwxyz{|}~
&quot;</i>,</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>154</span></u><span
lang=EN-US> <b><i>/* vt100 graphics */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>155</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <i>&quot;
!\&quot;#$%&amp;'()*+,-./0123456789:;&lt;=&gt;?&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>156</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <i>&quot;@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^
&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>157</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <i>&quot;\004\261\007\007\007\007\370\361\007\007\275\267\326\323\327\304&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>158</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <i>&quot;\304\304\304\304\307\266\320\322\272\363\362\343\\007\234\007
&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>159</span></u><span
lang=EN-US> };</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>160</span></u><span
lang=EN-US> </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>161</span></u><span
lang=EN-US> #define <u><span style='color:blue'>NORM_TRANS</span></u> (<u><span
style='color:blue'>translations</span></u>[0])</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>162</span></u><span
lang=EN-US> #define <u><span style='color:blue'>GRAF_TRANS</span></u> (<u><span
style='color:blue'>translations</span></u>[1])</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>163</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>¸ú×Ù¹â±êµ±Ç°Î»Öá£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²ÎÊý£º<span lang=EN-US>currcons
- </span>µ±Ç°ÐéÄâÖն˺ţ»<span lang=EN-US>new_x - </span>¹â±êËùÔÚÁкţ»<span lang=EN-US>new_y
- </span>¹â±êËùÔÚÐкš£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¸üе±Ç°¹â±êλÖñäÁ¿ <span
lang=EN-US>x,y</span>£¬²¢ÐÞÕý¹â±êÔÚÏÔʾÄÚ´æÖеĶÔӦλÖà <span lang=EN-US>pos</span>¡£¸Ãº¯Êý»áÊ×Ïȼì²é</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²ÎÊýµÄÓÐЧÐÔ¡£Èç¹û¸ø¶¨µÄ¹â±êÁкų¬³öÏÔʾÆ÷×î´óÁÐÊý£¬»òÕß¹â±êÐкŲ»µÍÓÚÏÔʾµÄ×î´ó</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÐÐÊý£¬ÔòÍ˳ö¡£·ñÔò¾Í¸üе±Ç°¹â±ê±äÁ¿ºÍйâ±êλÖöÔÓ¦ÔÚÏÔʾÄÚ´æÖÐλÖÃ<span
lang=EN-US>pos</span>¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>×¢Ò⣬º¯ÊýÖеÄËùÓбäÁ¿Êµ¼ÊÉÏÊÇ<span
lang=EN-US>vc_cons[currcons]</span>½á¹¹ÖеÄÏàÓ¦×ֶΡ£ÒÔϺ¯ÊýÏàͬ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>164</span></u><span
lang=EN-US> <b><i>/* NOTE! gotoxy thinks x==video_num_columns is ok */</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; /* </span>×¢Ò⣡<span lang=EN-US>gotoxy</span>º¯ÊýÈÏΪ
<span lang=EN-US>x==video_num_columns </span>ʱÊÇÕýÈ·µÄ<span lang=EN-US> */</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>165</span></u><span
lang=EN-US> static inline void <u><span style='color:blue'>gotoxy</span></u>(int
currcons, int new_x,unsigned int new_y)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>166</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>167</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (new_x &gt; <u><span
style='color:blue'>video_num_columns</span></u> || new_y &gt;= <u><span
style='color:blue'>video_num_lines</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>168</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>169</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>x</span></u> = new_x;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>170</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>y</span></u> = new_y;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>171</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>pos</span></u> = <u><span style='color:blue'>origin</span></u>
+ <u><span style='color:blue'>y</span></u>*<u><span style='color:blue'>video_size_row</span></u>
+ (<u><span style='color:blue'>x</span></u>&lt;&lt;1);&nbsp;&nbsp; // 1</span>ÁÐÓÃ<span
lang=EN-US>2</span>¸ö×Ö½Ú±íʾ£¬ËùÒÔ<span lang=EN-US>x&lt;&lt;1</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>172</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>173</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ÉèÖùöÆÁÆðʼÏÔʾÄÚ´æµØÖ·¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÔÙ´ÎÌáÐÑ£¬º¯ÊýÖбäÁ¿»ù±¾É϶¼ÊÇ<span
lang=EN-US> vc_cons[currcons] </span>½á¹¹ÖеÄÏàÓ¦×ֶΡ£</p>
<p class=a><u><span lang=EN-US style='color:blue'>174</span></u><span
lang=EN-US> static inline void <u><span style='color:blue'>set_origin</span></u>(int
currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>175</span></u><span
lang=EN-US> {</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ê×ÏÈÅжÏÏÔʾ¿¨ÀàÐÍ¡£ ¶ÔÓÚ<span
lang=EN-US> EGA/VGA </span>¿¨£¬ÎÒÃÇ¿ÉÒÔÖ¸¶¨ÆÁÄÚÐз¶Î§£¨ÇøÓò£©½øÐйöÆÁ²Ù×÷£¬</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¶ø<span lang=EN-US>MDA</span>µ¥É«ÏÔʾ¿¨Ö»ÄܽøÐÐÕûÆÁ¹öÆÁ²Ù×÷¡£Òò´ËÖ»ÓÐ<span
lang=EN-US> EGA/VGA </span>¿¨²ÅÐèÒªÉèÖùöÆÁÆðʼÐÐÏÔʾ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÄÚ´æµØÖ·£¨ÆðʼÐÐÊÇ <span
lang=EN-US>origin </span>¶ÔÓ¦µÄÐУ©¡£¼´ÏÔʾÀàÐÍÈç¹û²»ÊÇ<span lang=EN-US> EGA/VGA </span>²Êɫģʽ£¬Ò²²»ÊÇ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // EGA/VGA</span>µ¥É«Ä£Ê½£¬ÄÇô¾ÍÖ±½Ó·µ»Ø¡£ÁíÍ⣬ÎÒÃÇÖ»¶Ôǰ̨¿ØÖÆÌ¨½øÐвÙ×÷£¬Òò´Ëµ±Ç°¿ØÖÆÌ¨</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // currcons</span>±ØÐëÊÇǰ̨¿ØÖÆÌ¨Ê±£¬ÎÒÃDzÅÐèÒªÉèÖÃÆä¹öÆÁÆðʼÐжÔÓ¦µÄÄÚ´æÆðµãλÖá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>176</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (<u><span
style='color:blue'>video_type</span></u> != <u><span style='color:blue'>VIDEO_TYPE_EGAC</span></u>
&amp;&amp; <u><span style='color:blue'>video_type</span></u> != <u><span
style='color:blue'>VIDEO_TYPE_EGAM</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>177</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;return;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>178</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (currcons != <u><span
style='color:blue'>fg_console</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>179</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>È»ºóÏòÏÔʾ¼Ä´æÆ÷Ñ¡Ôñ¶Ë¿Ú<span
lang=EN-US>video_port_reg</span>Êä³ö<span lang=EN-US>12</span>£¬¼´Ñ¡ÔñÏÔʾ¿ØÖÆÊý¾Ý¼Ä´æÆ÷<span
lang=EN-US>r12</span>£¬½Ó×Å</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>дÈë¹öÆÁÆðʼµØÖ·¸ß×Ö½Ú¡£ÆäÖÐÏòÓÒÒÆ¶¯<span
lang=EN-US>9</span>λ£¬Êµ¼ÊÉϱíʾÏòÓÒÒÆ¶¯<span lang=EN-US>8</span>λÔÙ³ýÒÔ<span lang=EN-US>2</span>£¨ÆÁÄ»ÉÏ<span
lang=EN-US>1</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¸ö×Ö·ûÓÃ<span lang=EN-US>2</span>×Ö½Ú±íʾ£©¡£ÔÙÑ¡ÔñÏÔʾ¿ØÖÆÊý¾Ý¼Ä´æÆ÷<span
lang=EN-US>r13</span>£¬È»ºóдÈë¹öÆÁÆðʼµØÖ·µÍ×Ö½Ú¡£Ïò</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÓÒÒÆ¶¯<span lang=EN-US>1</span>λ±íʾ³ýÒÔ<span
lang=EN-US>2</span>£¬Í¬Ñù´ú±íÆÁÄ»ÉÏ<span lang=EN-US>1</span>¸ö×Ö·ûÓÃ<span lang=EN-US>2</span>×Ö½Ú±íʾ¡£Êä³öÖµÏà¶ÔÓÚĬÈÏÏÔʾÄÚ´æ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÆðʼλÖÃ<span lang=EN-US>video_mem_base</span>½øÐвÙ×÷£¬ÀýÈç¶ÔÓÚ
<span lang=EN-US>EGA/VGA </span>²Êɫģʽ£¬<span lang=EN-US>viedo_mem_base = </span>ÎïÀí</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÄÚ´æµØÖ·<span lang=EN-US>0xb8000</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>180</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>cli</span></u>();</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>181</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(12, <u><span style='color:blue'>video_port_reg</span></u>);&nbsp;&nbsp;&nbsp;
// </span>Ñ¡ÔñÊý¾Ý¼Ä´æÆ÷<span lang=EN-US>r12</span>£¬Êä³ö¹öÆÁÆðʼλÖøß×Ö½Ú¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>182</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(0xff&amp;((<u><span style='color:blue'>origin</span></u>-<u><span
style='color:blue'>video_mem_base</span></u>)&gt;&gt;9), <u><span
style='color:blue'>video_port_val</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>183</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(13, <u><span style='color:blue'>video_port_reg</span></u>);&nbsp;&nbsp;&nbsp;
// </span>Ñ¡ÔñÊý¾Ý¼Ä´æÆ÷<span lang=EN-US>r13</span>£¬Êä³ö¹öÆÁÆðʼλÖõÍ×Ö½Ú¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>184</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(0xff&amp;((<u><span style='color:blue'>origin</span></u>-<u><span
style='color:blue'>video_mem_base</span></u>)&gt;&gt;1), <u><span
style='color:blue'>video_port_val</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>185</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>sti</span></u>();</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>186</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>187</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ÏòÉÏ¾í¶¯Ò»ÐС£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>½«ÆÁÄ»¹ö¶¯´°¿ÚÏòÏÂÒÆ¶¯Ò»ÐУ¬²¢ÔÚÆÁÄ»¹ö¶¯ÇøÓòµ×³öÏÖµÄÐÂÐÐÉÏÌí¼Ó¿Õ¸ñ×Ö·û¡£¹öÆÁÇøÓò</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>±ØÐë´óÓÚ<span lang=EN-US>1</span>ÐС£²Î¼û³ÌÐòÁбíºó˵Ã÷¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>188</span></u><span
lang=EN-US> static void <u><span style='color:blue'>scrup</span></u>(int
currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>189</span></u><span
lang=EN-US> {</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¹öÆÁÇøÓò±ØÐëÆðÂëÓÐ<span
lang=EN-US>2</span>ÐС£Èç¹û¹öÆÁÇøÓò¶¥ÐкŴóÓÚµÈÓÚÇøÓòµ×Ðкţ¬Ôò²»Âú×ã½øÐйöÐвÙ×÷</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>µÄÌõ¼þ¡£ÁíÍ⣬¶ÔÓÚ<span
lang=EN-US>EGA/VGA</span>¿¨£¬ÎÒÃÇ¿ÉÒÔÖ¸¶¨ÆÁÄÚÐз¶Î§£¨ÇøÓò£©½øÐйöÆÁ²Ù×÷£¬¶ø<span lang=EN-US>MDA</span>µ¥</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>É«ÏÔʾ¿¨Ö»ÄܽøÐÐÕûÆÁ¹öÆÁ²Ù×÷¡£¸Ãº¯Êý¶Ô<span
lang=EN-US>EGA</span>ºÍ<span lang=EN-US>MDA</span>ÏÔʾÀàÐͽøÐзֱð´¦Àí¡£Èç¹ûÏÔʾÀàÐÍ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÊÇ<span lang=EN-US> EGA</span>£¬Ôò»¹·ÖΪÕûÆÁ´°¿ÚÒÆ¶¯ºÍÇøÓòÄÚ´°¿ÚÒÆ¶¯¡£ÕâÀïÊ×ÏÈ´¦ÀíÏÔʾ¿¨ÊÇ<span
lang=EN-US>EGA/VGA</span>ÏÔʾÀàÐÍ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>µÄÇé¿ö¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>190</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (<u><span
style='color:blue'>bottom</span></u>&lt;=<u><span style='color:blue'>top</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>191</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>192</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (<u><span
style='color:blue'>video_type</span></u> == <u><span style='color:blue'>VIDEO_TYPE_EGAC</span></u>
|| <u><span style='color:blue'>video_type</span></u> == <u><span
style='color:blue'>VIDEO_TYPE_EGAM</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>193</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹ûÒÆ¶¯ÆðʼÐÐ<span
lang=EN-US>top=0</span>£¬Òƶ¯×îµ×ÐÐ <span lang=EN-US>bottom = video_num_lines = 25</span>£¬Ôò±íʾÕûÆÁ´°¿ÚÏòÏÂ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÒÆ¶¯¡£ÓÚÊǰÑÕû¸öÆÁÄ»´°¿Ú×óÉϽǶÔÓ¦µÄÆðʼÄÚ´æÎ»ÖÃ<span
lang=EN-US>origin </span>µ÷ÕûΪÏòÏÂÒÆÒ»ÐжÔÓ¦µÄÄÚ´æ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>λÖã¬Í¬Ê±Ò²¸ú×Ùµ÷Õûµ±Ç°¹â±ê¶ÔÓ¦µÄÄÚ´æÎ»ÖÃÒÔ¼°ÆÁĻĩÐÐÄ©¶Ë×Ö·ûÖ¸Õë<span
lang=EN-US>scr_end</span>µÄλÖá£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>×îºó°ÑÐÂÆÁÄ»´°¿ÚÄÚ´æÆðʼλÖÃÖµ<span
lang=EN-US>origin</span>дÈëÏÔʾ¿ØÖÆÆ÷ÖС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>194</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>top</span></u> &amp;&amp; <u><span
style='color:blue'>bottom</span></u> == <u><span style='color:blue'>video_num_lines</span></u>)
{</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>195</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>origin</span></u> += <u><span style='color:blue'>video_size_row</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>196</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>pos</span></u> += <u><span style='color:blue'>video_size_row</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>197</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>scr_end</span></u> += <u><span style='color:blue'>video_size_row</span></u>;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹ûÆÁÄ»´°¿ÚÄ©¶ËËù¶ÔÓ¦µÄÏÔʾÄÚ´æÖ¸Õë<span
lang=EN-US>scr_end </span>³¬³öÁËʵ¼ÊÏÔʾÄÚ´æÄ©¶Ë£¬Ôò½«ÆÁÄ»ÄÚÈÝ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>³ýµÚÒ»ÐÐÒÔÍâËùÓÐÐжÔÓ¦µÄÄÚ´æÊý¾ÝÒÆ¶¯µ½ÏÔʾÄÚ´æµÄÆðʼλÖÃ<span
lang=EN-US>video_mem_start</span>´¦£¬²¢ÔÚ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÕûÆÁ´°¿ÚÏòÏÂÒÆ¶¯³öÏÖµÄÐÂÐÐÉÏÌîÈë¿Õ¸ñ×Ö·û¡£È»ºó¸ù¾ÝÆÁÄ»ÄÚ´æÊý¾ÝÒÆ¶¯ºóµÄÇé¿ö£¬ÖØÐÂ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>µ÷Õûµ±Ç°ÆÁÄ»¶ÔÓ¦ÄÚ´æµÄÆðʼָÕë¡¢¹â±êλÖÃÖ¸ÕëºÍÆÁĻĩ¶Ë¶ÔÓ¦ÄÚ´æÖ¸Õë<span
lang=EN-US>scr_end</span>¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Õâ¶ÎǶÈë»ã±à³ÌÐòÊ×ÏȽ«£¨ÆÁÄ»×Ö·ûÐÐÊý<span
lang=EN-US> - 1</span>£©ÐжÔÓ¦µÄÄÚ´æÊý¾ÝÒÆ¶¯µ½ÏÔʾÄÚ´æÆðʼλÖÃ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // video_mem_start</span>´¦£¬È»ºóÔÚËæºóµÄÄÚ´æÎ»Öô¦Ìí¼ÓÒ»Ðпոñ£¨²Á³ý£©×Ö·ûÊý¾Ý¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // %0 -eax(</span>²Á³ý×Ö·û<span
lang=EN-US>+</span>ÊôÐÔ<span lang=EN-US>)</span>£»<span lang=EN-US>%1 -ecx</span>£¨<span
lang=EN-US>(</span>ÆÁÄ»×Ö·ûÐÐÊý<span lang=EN-US>-1)</span>Ëù¶ÔÓ¦µÄ×Ö·ûÊý<span lang=EN-US>/2</span>£¬ÒÔ³¤×ÖÒÆ¶¯£©£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // %2 -edi(</span>ÏÔʾÄÚ´æÆðʼλÖÃ<span
lang=EN-US>video_mem_start)</span>£»<span lang=EN-US>%3 -esi(</span>ÆÁÄ»´°¿ÚÄÚ´æÆðʼλÖÃ<span
lang=EN-US>origin)</span>¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÒÆ¶¯·½Ïò£º<span lang=EN-US>[edi]</span><span
lang=EN-US style='font-family:Wingdings'>¨¨</span><span lang=EN-US>[esi]</span>£¬Òƶ¯<span
lang=EN-US>ecx</span>¸ö³¤×Ö¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>198</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>scr_end</span></u> &gt; <u><span
style='color:blue'>video_mem_end</span></u>) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>199</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
__asm__(<i>&quot;cld\n\t&quot;</i> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// </span>Çå·½Ïòλ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>200</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;rep\n\t&quot;</i> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// </span>ÖØ¸´²Ù×÷£¬½«µ±Ç°ÆÁÄ»ÄÚ´æ</p>
<p class=a><u><span lang=EN-US style='color:blue'>201</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;movsl\n\t&quot;</i> &nbsp;&nbsp;&nbsp;&nbsp;// </span>Êý¾ÝÒÆ¶¯µ½ÏÔʾÄÚ´æÆðʼ´¦¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>202</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;movl _video_num_columns,%1\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>203</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;rep\n\t&quot;</i> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// </span>ÔÚÐÂÐÐÉÏÌîÈë¿Õ¸ñ×Ö·û¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>204</span></u><span
lang=EN-US>&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<i>&quot;stosw&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>205</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
::<i>&quot;a&quot;</i> (<u><span style='color:blue'>video_erase_char</span></u>),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>206</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;c&quot;</i> ((<u><span style='color:blue'>video_num_lines</span></u>-1)*<u><span
style='color:blue'>video_num_columns</span></u>&gt;&gt;1),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>207</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;D&quot;</i> (<u><span style='color:blue'>video_mem_start</span></u>),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>208</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;S&quot;</i> (<u><span style='color:blue'>origin</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>209</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
:<i>&quot;cx&quot;</i>,<i>&quot;di&quot;</i>,<i>&quot;si&quot;</i>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>210</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>scr_end</span></u> -= <u><span style='color:blue'>origin</span></u>-<u><span
style='color:blue'>video_mem_start</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>211</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>pos</span></u> -= <u><span style='color:blue'>origin</span></u>-<u><span
style='color:blue'>video_mem_start</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>212</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>origin</span></u> = <u><span style='color:blue'>video_mem_start</span></u>;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹ûµ÷ÕûºóµÄÆÁĻĩ¶Ë¶ÔÓ¦µÄÄÚ´æÖ¸Õë<span
lang=EN-US>scr_end </span>ûÓг¬³öÏÔʾÄÚ´æµÄÄ©¶Ë <span lang=EN-US>video_mem_end</span>£¬</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÔòÖ»ÐèÔÚÐÂÐÐÉÏÌîÈë²Á³ý×Ö·û£¨¿Õ¸ñ×Ö·û£©¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // %0 -eax(</span>²Á³ý×Ö·û<span
lang=EN-US>+</span>ÊôÐÔ<span lang=EN-US>)</span>£»<span lang=EN-US>%1 -ecx(</span>ÆÁÄ»ÐÐÊý<span
lang=EN-US>)</span>£»<span lang=EN-US>%2 - edi</span>£¨×îºó<span lang=EN-US>1</span>ÐпªÊ¼´¦¶ÔÓ¦ÄÚ´æÎ»Öã©£»</p>
<p class=a><u><span lang=EN-US style='color:blue'>213</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
} else {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>214</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
__asm__(<i>&quot;cld\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>215</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;rep\n\t&quot;</i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // </span>ÖØ¸´²Ù×÷£¬ÔÚгöÏÖÐÐÉÏ</p>
<p class=a><u><span lang=EN-US style='color:blue'>216</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;stosw&quot;</i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // </span>ÌîÈë²Á³ý×Ö·û<span
lang=EN-US>(</span>¿Õ¸ñ×Ö·û<span lang=EN-US>)</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>217</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;::<i>&quot;a&quot;</i>
(<u><span style='color:blue'>video_erase_char</span></u>),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>218</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;c&quot;</i> (<u><span style='color:blue'>video_num_columns</span></u>),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>219</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;D&quot;</i> (<u><span style='color:blue'>scr_end</span></u>-<u><span
style='color:blue'>video_size_row</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>220</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
:<i>&quot;cx&quot;</i>,<i>&quot;di&quot;</i>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>221</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>È»ºó°ÑÐÂÆÁÄ»¹ö¶¯´°¿ÚÄÚ´æÆðʼλÖÃÖµ<span
lang=EN-US>origin</span>дÈëÏÔʾ¿ØÖÆÆ÷ÖС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>222</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>set_origin</span></u>(currcons);</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>·ñÔò±íʾ²»ÊÇÕûÆÁÒÆ¶¯¡£¼´±íʾ´ÓÖ¸¶¨ÐÐ<span
lang=EN-US>top</span>¿ªÊ¼µ½<span lang=EN-US>bottom</span>ÇøÓòÖеÄËùÓÐÐÐÏòÉÏÒÆ¶¯<span
lang=EN-US>1</span>ÐУ¬</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ö¸¶¨ÐÐ<span lang=EN-US>top</span>±»É¾³ý¡£´Ëʱֱ½Ó½«ÆÁÄ»´ÓÖ¸¶¨ÐÐ<span
lang=EN-US>top</span>µ½ÆÁĻĩ¶ËËùÓÐÐжÔÓ¦µÄÏÔʾÄÚ´æÊý¾ÝÏò</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÉÏÒÆ¶¯<span lang=EN-US>1</span>ÐУ¬²¢ÔÚ×îÏÂÃæÐ³öÏÖµÄÐÐÉÏÌîÈë²Á³ý×Ö·û¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // %0 - eax(</span>²Á³ý×Ö·û<span
lang=EN-US>+</span>ÊôÐÔ<span lang=EN-US>)</span>£»<span lang=EN-US>%1 - ecx(top</span>ÐÐÏÂ<span
lang=EN-US>1</span>ÐпªÊ¼µ½<span lang=EN-US>bottom</span>ÐÐËù¶ÔÓ¦µÄÄڴ泤×ÖÊý<span
lang=EN-US>)</span>£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // %2 - edi(top</span>ÐÐËù´¦µÄÄÚ´æÎ»ÖÃ<span
lang=EN-US>)</span>£»<span lang=EN-US>%3 - esi(top+1</span>ÐÐËù´¦µÄÄÚ´æÎ»ÖÃ<span
lang=EN-US>)</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>223</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
} else {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>224</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
__asm__(<i>&quot;cld\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>225</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;rep\n\t&quot;</i> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// </span>Ñ­»·²Ù×÷£¬½«<span
lang=EN-US>top+1</span>µ½<span lang=EN-US>bottom</span>ÐÐ</p>
<p class=a><u><span lang=EN-US style='color:blue'>226</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;movsl\n\t&quot;</i> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// </span>Ëù¶ÔÓ¦µÄÄÚ´æ¿éÒÆµ½<span
lang=EN-US>top</span>ÐпªÊ¼´¦¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>227</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;movl _video_num_columns,%%ecx\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>228</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;rep\n\t&quot;</i> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// </span>ÔÚÐÂÐÐÉÏÌîÈë²Á³ý×Ö·û¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>229</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;stosw&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>230</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
::<i>&quot;a&quot;</i> (<u><span style='color:blue'>video_erase_char</span></u>),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>231</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;c&quot;</i> ((<u><span style='color:blue'>bottom</span></u>-<u><span
style='color:blue'>top</span></u>-1)*<u><span style='color:blue'>video_num_columns</span></u>&gt;&gt;1),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>232</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;D&quot;</i> (<u><span style='color:blue'>origin</span></u>+<u><span
style='color:blue'>video_size_row</span></u>*<u><span style='color:blue'>top</span></u>),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>233</span></u><span
lang=EN-US>&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<i>&quot;S&quot;</i>
(<u><span style='color:blue'>origin</span></u>+<u><span style='color:blue'>video_size_row</span></u>*(<u><span
style='color:blue'>top</span></u>+1))</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>234</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
:<i>&quot;cx&quot;</i>,<i>&quot;di&quot;</i>,<i>&quot;si&quot;</i>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>235</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>236</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹ûÏÔʾÀàÐͲ»ÊÇ<span
lang=EN-US>EGA</span>£¨¶øÊÇ<span lang=EN-US>MDA </span>£©£¬ÔòÖ´ÐÐÏÂÃæÒÆ¶¯²Ù×÷¡£ÒòΪ<span
lang=EN-US>MDA</span>ÏÔʾ¿ØÖÆ¿¨Ö»ÄÜÕûÆÁ¹ö</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¶¯£¬²¢ÇÒ»á×Ô¶¯µ÷Õû³¬³öÏÔʾ·¶Î§µÄÇé¿ö£¬¼´»á×Ô¶¯·­¾íÖ¸Õ룬ËùÒÔÕâÀï²»¶ÔÆÁÄ»ÄÚÈݶÔÓ¦ÄÚ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>´æ³¬³öÏÔʾÄÚ´æµÄÇé¿öµ¥¶À´¦Àí¡£´¦Àí·½·¨Óë<span
lang=EN-US>EGA</span>·ÇÕûÆÁÒÆ¶¯Çé¿öÍêȫһÑù¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>237</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b><i>/*
Not EGA/VGA */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>238</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>239</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
__asm__(<i>&quot;cld\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>240</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;rep\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>241</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;movsl\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>242</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;movl _video_num_columns,%%ecx\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>243</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;rep\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>244</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;stosw&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>245</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
::<i>&quot;a&quot;</i> (<u><span style='color:blue'>video_erase_char</span></u>),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>246</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;c&quot;</i> ((<u><span style='color:blue'>bottom</span></u>-<u><span
style='color:blue'>top</span></u>-1)*<u><span style='color:blue'>video_num_columns</span></u>&gt;&gt;1),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>247</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;<i>&quot;D&quot;</i> (<u><span style='color:blue'>origin</span></u>+<u><span
style='color:blue'>video_size_row</span></u>*<u><span style='color:blue'>top</span></u>),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>248</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;S&quot;</i> (<u><span style='color:blue'>origin</span></u>+<u><span
style='color:blue'>video_size_row</span></u>*(<u><span style='color:blue'>top</span></u>+1))</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>249</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
:<i>&quot;cx&quot;</i>,<i>&quot;di&quot;</i>,<i>&quot;si&quot;</i>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>250</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>251</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>252</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ÏòÏÂ¾í¶¯Ò»ÐС£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>½«ÆÁÄ»¹ö¶¯´°¿ÚÏòÉÏÒÆ¶¯Ò»ÐУ¬ÏàÓ¦ÆÁÄ»¹ö¶¯ÇøÓòÄÚÈÝÏòÏÂÒÆ¶¯<span
lang=EN-US>1</span>ÐС£²¢ÔÚÒÆ¶¯¿ªÊ¼ÐеÄÉÏ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>·½³öÏÖÒ»ÐÂÐС£²Î¼û³ÌÐòÁбíºó˵Ã÷¡£´¦Àí·½·¨Óë
<span lang=EN-US>scrup()</span>ÏàËÆ£¬Ö»ÊÇΪÁËÔÚÒÆ¶¯ÏÔʾÄÚ´æ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Êý¾Ýʱ²»»á³öÏÖÊý¾Ý¸²¸ÇµÄÎÊÌ⣬¸´ÖƲÙ×÷ÊÇÒÔÄæÏò½øÐе쬼´ÏÈ´ÓÆÁÄ»µ¹ÊýµÚ<span
lang=EN-US>2</span>ÐеÄ×îºó</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ò»¸ö×Ö·û¿ªÊ¼¸´ÖƵ½×îºóÒ»ÐУ¬ÔÙ½«µ¹ÊýµÚ<span
lang=EN-US>3</span>Ðи´ÖƵ½µ¹ÊýµÚ<span lang=EN-US>2</span>Ðеȵȡ£ÒòΪ´Ëʱ¶Ô<span lang=EN-US>EGA/</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // VGA</span>ÏÔʾÀàÐͺÍ<span
lang=EN-US>MDA</span>ÀàÐ͵Ĵ¦Àí¹ý³ÌÍêȫһÑù£¬ËùÒԸú¯Êýʵ¼ÊÉÏûÓбØÒªÐ´Á½¶ÎÏàͬµÄ´ú</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Âë¡£¼´ÕâÀï<span lang=EN-US>if</span>ºÍ<span
lang=EN-US>else</span>Óï¾ä¿éÖеIJÙ×÷ÍêȫһÑù£¡</p>
<p class=a><u><span lang=EN-US style='color:blue'>253</span></u><span
lang=EN-US> static void <u><span style='color:blue'>scrdown</span></u>(int
currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>254</span></u><span
lang=EN-US> {</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ͬÑù£¬¹öÆÁÇøÓò±ØÐëÆðÂëÓÐ<span
lang=EN-US>2</span>ÐС£Èç¹û¹öÆÁÇøÓò¶¥ÐкŴóÓÚµÈÓÚÇøÓòµ×Ðкţ¬Ôò²»Âú×ã½øÐйö</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÐвÙ×÷µÄÌõ¼þ¡£ÁíÍ⣬¶ÔÓÚ<span
lang=EN-US>EGA/VGA</span>¿¨£¬ÎÒÃÇ¿ÉÒÔÖ¸¶¨ÆÁÄÚÐз¶Î§£¨ÇøÓò£©½øÐйöÆÁ²Ù×÷£¬¶ø</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // MDA</span>µ¥É«ÏÔʾ¿¨Ö»ÄܽøÐÐÕûÆÁ¹öÆÁ²Ù×÷¡£ÓÉÓÚ´°¿ÚÏòÉÏÒÆ¶¯×î¶àÒÆ¶¯µ½µ±Ç°¿ØÖÆÌ¨Õ¼ÓÃÏÔÊ¾Çø</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÓòÄÚ´æµÄÆðʼλÖã¬Òò´Ë²»»á·¢ÉúÆÁÄ»´°¿ÚÄ©¶ËËù¶ÔÓ¦µÄÏÔʾÄÚ´æÖ¸Õë<span
lang=EN-US>scr_end</span>³¬³öʵ¼ÊÏÔʾ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÄÚ´æÄ©¶ËµÄÇé¿ö£¬ËùÒÔÕâÀïÖ»ÐèÒª´¦ÀíÆÕͨµÄÄÚ´æÊý¾ÝÒÆ¶¯Çé¿ö¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>255</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (<u><span
style='color:blue'>bottom</span></u> &lt;= <u><span style='color:blue'>top</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>256</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>257</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (<u><span
style='color:blue'>video_type</span></u> == <u><span style='color:blue'>VIDEO_TYPE_EGAC</span></u>
|| <u><span style='color:blue'>video_type</span></u> == <u><span
style='color:blue'>VIDEO_TYPE_EGAM</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>258</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // %0 - eax(</span>²Á³ý×Ö·û<span
lang=EN-US>+</span>ÊôÐÔ<span lang=EN-US>)</span>£»<span lang=EN-US>%1 - ecx(top</span>Ðе½<span
lang=EN-US> bottom-1 </span>ÐеÄÐÐÊýËù¶ÔÓ¦µÄÄڴ泤×ÖÊý<span lang=EN-US>)</span>£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // %2 - edi(</span>´°¿ÚÓÒϽÇ×îºóÒ»¸ö³¤×ÖλÖÃ<span
lang=EN-US>)</span>£»<span lang=EN-US>%3 - esi(</span>´°¿Úµ¹ÊýµÚ<span lang=EN-US>2</span>ÐÐ×îºóÒ»¸ö³¤×ÖλÖÃ<span
lang=EN-US>)</span>¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÒÆ¶¯·½Ïò£º<span lang=EN-US>[esi]</span><span
lang=EN-US style='font-family:Wingdings'>¨¨</span><span lang=EN-US>[edi]</span>£¬Òƶ¯<span
lang=EN-US>ecx</span>¸ö³¤×Ö¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>259</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
__asm__(<i>&quot;std\n\t&quot;</i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>Ö÷½Ïòλ£¡£¡</p>
<p class=a><u><span lang=EN-US style='color:blue'>260</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;rep\n\t&quot;</i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÖØ¸´²Ù×÷£¬ÏòÏÂÒÆ¶¯´Ó<span lang=EN-US>top</span>Ðе½</p>
<p class=a><u><span lang=EN-US style='color:blue'>261</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;movsl\n\t&quot;</i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// bottom-1</span>ÐжÔÓ¦µÄÄÚ´æÊý¾Ý¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>262</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;addl $2,%%edi\n\t&quot;</i>&nbsp; <b><i>/* %edi has been decremented
by 4 */</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
/* %edi</span>ÒѼõ<span lang=EN-US>4</span>£¬ÒòÒ²ÊÇ·´ÏòÌî²Á³ý×Ö·û<span lang=EN-US>*/</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>263</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;movl _video_num_columns,%%ecx\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>264</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;rep\n\t&quot;</i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>½«²Á³ý×Ö·ûÌîÈëÉÏ·½ÐÂÐÐÖС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>265</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;stosw&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>266</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
::<i>&quot;a&quot;</i> (<u><span style='color:blue'>video_erase_char</span></u>),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>267</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;c&quot;</i> ((<u><span style='color:blue'>bottom</span></u>-<u><span
style='color:blue'>top</span></u>-1)*<u><span style='color:blue'>video_num_columns</span></u>&gt;&gt;1),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>268</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;D&quot;</i> (<u><span style='color:blue'>origin</span></u>+<u><span
style='color:blue'>video_size_row</span></u>*<u><span style='color:blue'>bottom</span></u>-4),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>269</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;S&quot;</i> (<u><span style='color:blue'>origin</span></u>+<u><span
style='color:blue'>video_size_row</span></u>*(<u><span style='color:blue'>bottom</span></u>-1)-4)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>270</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
:<i>&quot;ax&quot;</i>,<i>&quot;cx&quot;</i>,<i>&quot;di&quot;</i>,<i>&quot;si&quot;</i>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>271</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û²»ÊÇ<span lang=EN-US>EGA</span>ÏÔʾÀàÐÍ£¬ÔòÖ´ÐÐÒÔϲÙ×÷£¨ÓëÉÏÃæÍêȫһÑù£©¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>272</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b><i>/*
Not EGA/VGA */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>273</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>274</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
__asm__(<i>&quot;std\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>275</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;rep\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>276</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;movsl\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>277</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;addl $2,%%edi\n\t&quot;</i>&nbsp;&nbsp;&nbsp;&nbsp; <b><i>/* %edi has
been decremented by 4 */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>278</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;movl _video_num_columns,%%ecx\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>279</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;rep\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>280</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;stosw&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>281</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
::<i>&quot;a&quot;</i> (<u><span style='color:blue'>video_erase_char</span></u>),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>282</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;c&quot;</i> ((<u><span style='color:blue'>bottom</span></u>-<u><span
style='color:blue'>top</span></u>-1)*<u><span style='color:blue'>video_num_columns</span></u>&gt;&gt;1),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>283</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;D&quot;</i> (<u><span style='color:blue'>origin</span></u>+<u><span
style='color:blue'>video_size_row</span></u>*<u><span style='color:blue'>bottom</span></u>-4),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>284</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;S&quot;</i> (<u><span style='color:blue'>origin</span></u>+<u><span
style='color:blue'>video_size_row</span></u>*(<u><span style='color:blue'>bottom</span></u>-1)-4)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>285</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
:<i>&quot;ax&quot;</i>,<i>&quot;cx&quot;</i>,<i>&quot;di&quot;</i>,<i>&quot;si&quot;</i>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>286</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>287</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>288</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>¹â±êÔÚͬÁÐλÖÃÏÂÒÆÒ»ÐС£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û¹â±êûÓд¦ÔÚ×îºóÒ»ÐÐÉÏ£¬ÔòÖ±½ÓÐ޸Ĺâ±êµ±Ç°ÐбäÁ¿<span
lang=EN-US>y++</span>£¬²¢µ÷Õû¹â±ê¶ÔÓ¦ÏÔʾÄÚ´æ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>λÖÃ<span lang=EN-US>pos</span>£¨¼ÓÉÏÒ»ÐÐ×Ö·ûËù¶ÔÓ¦µÄÄڴ泤¶È£©¡£·ñÔò¾ÍÐèÒª½«ÆÁÄ»´°¿ÚÄÚÈÝÉÏÒÆÒ»ÐС£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>º¯ÊýÃû³Æ<span lang=EN-US>lf</span>£¨<span
lang=EN-US>line feed </span>»»ÐУ©ÊÇÖ¸´¦Àí¿ØÖÆ×Ö·û<span lang=EN-US>LF</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>289</span></u><span
lang=EN-US> static void <u><span style='color:blue'>lf</span></u>(int currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>290</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>291</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (<u><span
style='color:blue'>y</span></u>+1&lt;<u><span style='color:blue'>bottom</span></u>)
{</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>292</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>y</span></u>++;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>293</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>pos</span></u> += <u><span style='color:blue'>video_size_row</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>¼ÓÉÏÆÁĻһÐÐÕ¼ÓÃÄÚ´æµÄ×Ö½ÚÊý¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>294</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>295</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>296</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>scrup</span></u>(currcons);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;// </span>½«ÆÁÄ»´°¿ÚÄÚÈÝÉÏÒÆÒ»ÐС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>297</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>298</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>¹â±êÔÚͬÁÐÉÏÒÆÒ»ÐС£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û¹â±ê²»ÔÚÆÁÄ»µÚÒ»ÐÐÉÏ£¬ÔòÖ±½ÓÐ޸Ĺâ±êµ±Ç°ÐбêÁ¿<span
lang=EN-US>y--</span>£¬²¢µ÷Õû¹â±ê¶ÔÓ¦ÏÔʾÄÚ´æÎ»ÖÃ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // pos</span>£¬¼õÈ¥ÆÁÄ»ÉÏÒ»ÐÐ×Ö·ûËù¶ÔÓ¦µÄÄڴ泤¶È×Ö½ÚÊý¡£·ñÔòÐèÒª½«ÆÁÄ»´°¿ÚÄÚÈÝÏÂÒÆÒ»ÐС£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>º¯ÊýÃû³Æ<span lang=EN-US>ri</span>£¨<span
lang=EN-US>reverse index </span>·´ÏòË÷Òý£©ÊÇÖ¸¿ØÖÆ×Ö·û<span lang=EN-US>RI</span>»òתÒåÐòÁС°<span
lang=EN-US>ESC M</span>¡±¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>299</span></u><span
lang=EN-US> static void <u><span style='color:blue'>ri</span></u>(int currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>300</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>301</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (<u><span
style='color:blue'>y</span></u>&gt;<u><span style='color:blue'>top</span></u>)
{</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>302</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>y</span></u>--;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>303</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>pos</span></u> -= <u><span style='color:blue'>video_size_row</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>¼õÈ¥ÆÁĻһÐÐÕ¼ÓÃÄÚ´æµÄ×Ö½ÚÊý¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>304</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>305</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>306</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>scrdown</span></u>(currcons);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>½«ÆÁÄ»´°¿ÚÄÚÈÝÏÂÒÆÒ»ÐС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>307</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>308</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¹â±ê»Øµ½µÚ<span lang=EN-US>1</span>ÁУ¨<span
lang=EN-US>0</span>ÁУ©¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>µ÷Õû¹â±ê¶ÔÓ¦ÄÚ´æÎ»ÖÃ<span
lang=EN-US>pos</span>¡£¹â±êËùÔÚÁкÅ<span lang=EN-US>*2 </span>¼´ÊÇ<span lang=EN-US>0</span>Áе½¹â±êËùÔÚÁжÔÓ¦µÄÄÚ´æ×Ö½Ú³¤¶È¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>º¯ÊýÃû³Æ<span lang=EN-US>cr</span>£¨<span
lang=EN-US>carriage return </span>»Ø³µ£©Ö¸Ã÷´¦ÀíµÄ¿ØÖÆ×Ö·ûÊǻسµ×Ö·û¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>309</span></u><span
lang=EN-US> static void <u><span style='color:blue'>cr</span></u>(int currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>310</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>311</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>pos</span></u> -= <u><span style='color:blue'>x</span></u>&lt;&lt;1;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>¼õÈ¥<span lang=EN-US>0</span>Áе½¹â±ê´¦Õ¼ÓõÄÄÚ´æ×Ö½ÚÊý¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>312</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>x</span></u>=0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>313</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>314</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²Á³ý¹â±êǰһ×Ö·û£¨ÓÿոñÌæ´ú£©£¨<span
lang=EN-US>del - delete </span>ɾ³ý£©¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û¹â±êûÓд¦ÔÚ<span
lang=EN-US>0</span>ÁУ¬Ôò½«¹â±ê¶ÔÓ¦ÄÚ´æÎ»ÖÃ<span lang=EN-US>pos</span>ºóÍË<span lang=EN-US>2</span>×Ö½Ú£¨¶ÔÓ¦ÆÁÄ»ÉÏÒ»¸ö×Ö·û£©£¬</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>È»ºó½«µ±Ç°¹â±ê±äÁ¿ÁÐÖµ¼õ<span
lang=EN-US>1</span>£¬²¢½«¹â±êËùÔÚλÖô¦×Ö·û²Á³ý¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>315</span></u><span
lang=EN-US> static void <u><span style='color:blue'>del</span></u>(int
currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>316</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>317</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (<u><span
style='color:blue'>x</span></u>) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>318</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>pos</span></u> -= 2;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>319</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>x</span></u>--;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>320</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*(unsigned short *)<u><span style='color:blue'>pos</span></u> = <u><span
style='color:blue'>video_erase_char</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>321</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>322</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>323</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ɾ³ýÆÁÄ»ÉÏÓë¹â±êλÖÃÏà¹ØµÄ²¿·Ö¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ANSI</span>¿ØÖÆÐòÁУº<span
lang=EN-US>'ESC [ Ps J'</span>£¨<span lang=EN-US>Ps =0 -</span>ɾ³ý¹â±ê´¦µ½ÆÁÄ»µ×¶Ë£»<span
lang=EN-US>1 -</span>ɾ³ýÆÁÄ»¿ªÊ¼µ½¹â±ê´¦£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // 2 - </span>ÕûÆÁɾ³ý£©¡£±¾º¯Êý¸ù¾ÝÖ¸¶¨µÄ¿ØÖÆÐòÁоßÌå²ÎÊýÖµ£¬Ö´ÐÐÓë¹â±êλÖÃÏà¹ØµÄɾ³ý²Ù×÷£¬</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²¢ÇÒÔÚ²Á³ý×Ö·û»òÐÐʱ¹â±êλÖò»±ä¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>º¯ÊýÃû³Æ<span lang=EN-US>csi_J
</span>£¨<span lang=EN-US>CSI - Control Sequence Introducer</span>£¬¼´¿ØÖÆÐòÁÐÒýµ¼Â룩ָÃ÷¶Ô¿ØÖÆ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÐòÁС°<span lang=EN-US>CSI
Ps J</span>¡±½øÐд¦Àí¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²ÎÊý£º<span lang=EN-US>vpar
- </span>¶ÔÓ¦ÉÏÃæ¿ØÖÆÐòÁÐÖÐ<span lang=EN-US>Ps</span>µÄÖµ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>324</span></u><span
lang=EN-US> static void <u><span style='color:blue'>csi_J</span></u>(int
currcons, int vpar)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>325</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>326</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; long <u><span
style='color:blue'>count</span></u> __asm__(<i>&quot;cx&quot;</i>);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèΪ¼Ä´æÆ÷±äÁ¿¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>327</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; long start __asm__(<i>&quot;di&quot;</i>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>328</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ê×Ïȸù¾ÝÈýÖÖÇé¿ö·Ö±ðÉèÖÃÐèҪɾ³ýµÄ×Ö·ûÊýºÍɾ³ý¿ªÊ¼µÄÏÔʾÄÚ´æÎ»Öá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>329</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; switch (vpar) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>330</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 0: <b><i>/* erase from cursor to end of display */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>331</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u><span
style='color:blue'>count</span></u> = (<u><span style='color:blue'>scr_end</span></u>-<u><span
style='color:blue'>pos</span></u>)&gt;&gt;1;&nbsp;&nbsp; /* </span>²Á³ý¹â±êµ½ÆÁÄ»µ×¶ËËùÓÐ×Ö·û<span
lang=EN-US> */</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>332</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
start = <u><span style='color:blue'>pos</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>333</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>334</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 1: <b><i>/* erase from start to cursor */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>335</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>count</span></u> = (<u><span style='color:blue'>pos</span></u>-<u><span
style='color:blue'>origin</span></u>)&gt;&gt;1;&nbsp; /* </span>ɾ³ý´ÓÆÁÄ»¿ªÊ¼µ½¹â±ê´¦µÄ×Ö·û<span
lang=EN-US> */</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>336</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
start = <u><span style='color:blue'>origin</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>337</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>338</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 2: <b><i>/* erase whole display */</i></b> &nbsp;&nbsp;&nbsp;&nbsp;/* </span>ɾ³ýÕû¸öÆÁÄ»ÉϵÄËùÓÐ×Ö·û<span
lang=EN-US> */</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>339</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>count</span></u> = <u><span style='color:blue'>video_num_columns</span></u>
* <u><span style='color:blue'>video_num_lines</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>340</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
start = <u><span style='color:blue'>origin</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>341</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>342</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
default:</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>343</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>344</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>È»ºóʹÓòÁ³ý×Ö·ûÌîд±»É¾³ý×Ö·ûµÄµØ·½¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // %0 -ecx(</span>ɾ³ýµÄ×Ö·ûÊý<span
lang=EN-US>count)</span>£»<span lang=EN-US>%1 -edi(</span>ɾ³ý²Ù×÷¿ªÊ¼µØÖ·<span
lang=EN-US>)</span>£»<span lang=EN-US>%2 -eax</span>£¨ÌîÈëµÄ²Á³ý×Ö·û£©¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>345</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; __asm__(<i>&quot;cld\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>346</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;rep\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>347</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;stosw\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>348</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
::<i>&quot;c&quot;</i> (<u><span style='color:blue'>count</span></u>),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>349</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;D&quot;</i> (start),<i>&quot;a&quot;</i> (<u><span style='color:blue'>video_erase_char</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>350</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
:<i>&quot;cx&quot;</i>,<i>&quot;di&quot;</i>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>351</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>352</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ɾ³ýÒ»ÐÐÉÏÓë¹â±êλÖÃÏà¹ØµÄ²¿·Ö¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ANSI</span>תÒå×Ö·ûÐòÁУº<span
lang=EN-US>'ESC [ Ps K'</span>£¨<span lang=EN-US>Ps = 0 </span>ɾ³ýµ½ÐÐβ£»<span
lang=EN-US>1 </span>´Ó¿ªÊ¼É¾³ý£»<span lang=EN-US>2 </span>ÕûÐж¼É¾³ý£©¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>±¾º¯Êý¸ù¾Ý²ÎÊý²Á³ý¹â±êËùÔÚÐеIJ¿·Ö»òËùÓÐ×Ö·û¡£²Á³ý²Ù×÷´ÓÆÁÄ»ÉÏÒÆ×ß×Ö·ûµ«²»Ó°ÏìÆä</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ëû×Ö·û¡£²Á³ýµÄ×Ö·û±»¶ªÆú¡£ÔÚ²Á³ý×Ö·û»òÐÐʱ¹â±êλÖò»±ä¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²ÎÊý£º<span lang=EN-US>par
- </span>¶ÔÓ¦ÉÏÃæ¿ØÖÆÐòÁÐÖÐ<span lang=EN-US>Ps</span>µÄÖµ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>353</span></u><span
lang=EN-US> static void <u><span style='color:blue'>csi_K</span></u>(int
currcons, int vpar)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>354</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>355</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; long <u><span
style='color:blue'>count</span></u> __asm__(<i>&quot;cx&quot;</i>);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖüĴæÆ÷±äÁ¿¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>356</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; long start __asm__(<i>&quot;di&quot;</i>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>357</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ê×Ïȸù¾ÝÈýÖÖÇé¿ö·Ö±ðÉèÖÃÐèҪɾ³ýµÄ×Ö·ûÊýºÍɾ³ý¿ªÊ¼µÄÏÔʾÄÚ´æÎ»Öá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>358</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; switch (vpar) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>359</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 0: <b><i>/* erase from cursor to end of line */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>360</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>x</span></u>&gt;=<u><span style='color:blue'>video_num_columns</span></u>)&nbsp;&nbsp;&nbsp;&nbsp;
/* </span>ɾ³ý¹â±êµ½ÐÐβËùÓÐ×Ö·û<span lang=EN-US> */</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>361</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>362</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>count</span></u> = <u><span style='color:blue'>video_num_columns</span></u>-<u><span
style='color:blue'>x</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>363</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
start = <u><span style='color:blue'>pos</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>364</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>365</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 1: <b><i>/* erase from start of line to cursor */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>366</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
start = <u><span style='color:blue'>pos</span></u> - (<u><span
style='color:blue'>x</span></u>&lt;&lt;1);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
/* </span>ɾ³ý´ÓÐпªÊ¼µ½¹â±ê´¦<span lang=EN-US> */</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>367</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>count</span></u> = (<u><span style='color:blue'>x</span></u>&lt;<u><span
style='color:blue'>video_num_columns</span></u>)?<u><span style='color:blue'>x</span></u>:<u><span
style='color:blue'>video_num_columns</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>368</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>369</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 2: <b><i>/* erase whole line */</i></b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
/* </span>½«ÕûÐÐ×Ö·ûȫɾ³ý<span lang=EN-US> */</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>370</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
start = <u><span style='color:blue'>pos</span></u> - (<u><span
style='color:blue'>x</span></u>&lt;&lt;1);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>371</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>count</span></u> = <u><span style='color:blue'>video_num_columns</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>372</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>373</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
default:</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>374</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>375</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>È»ºóʹÓòÁ³ý×Ö·ûÌîдɾ³ý×Ö·ûµÄµØ·½¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // %0 - ecx(</span>ɾ³ý×Ö·ûÊý<span
lang=EN-US>count)</span>£»<span lang=EN-US>%1 -edi(</span>ɾ³ý²Ù×÷¿ªÊ¼µØÖ·<span
lang=EN-US>)</span>£»<span lang=EN-US>%2 -eax</span>£¨ÌîÈëµÄ²Á³ý×Ö·û£©¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>376</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; __asm__(<i>&quot;cld\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>377</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;rep\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>378</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;stosw\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>379</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
::<i>&quot;c&quot;</i> (<u><span style='color:blue'>count</span></u>),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>380</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;D&quot;</i> (start),<i>&quot;a&quot;</i> (<u><span style='color:blue'>video_erase_char</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>381</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
:<i>&quot;cx&quot;</i>,<i>&quot;di&quot;</i>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>382</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>383</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ÉèÖÃÏÔʾ×Ö·ûÊôÐÔ¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ANSI</span>תÒåÐòÁУº<span
lang=EN-US>'ESC [ Ps;Ps m'</span>¡£<span lang=EN-US>Ps = 0 - </span>ĬÈÏÊôÐÔ£»<span
lang=EN-US>1 - </span>´ÖÌå²¢ÔöÁÁ£»<span lang=EN-US>4 - </span>Ï»®Ïߣ»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // 5 - </span>ÉÁ˸£»<span
lang=EN-US>7 - </span>·´ÏÔ£»<span lang=EN-US>22 - </span>·Ç´ÖÌ壻<span lang=EN-US>24 -
</span>ÎÞÏ»®Ïߣ»<span lang=EN-US>25 - </span>ÎÞÉÁ˸£»<span lang=EN-US>27 - </span>ÕýÏÔ£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // 30--38 - </span>ÉèÖÃǰ¾°É«²Ê£»<span
lang=EN-US>39 - </span>ĬÈÏǰ¾°É«£¨<span lang=EN-US>White</span>£©£»<span lang=EN-US>40--48
- </span>ÉèÖñ³¾°É«²Ê£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // 49 - </span>ĬÈϱ³¾°É«£¨<span
lang=EN-US>Black</span>£©¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¸Ã¿ØÖÆÐòÁиù¾Ý²ÎÊýÉèÖÃ×Ö·ûÏÔʾÊôÐÔ¡£ÒÔºóËùÓз¢Ë͵½Öն˵Ä×Ö·û¶¼½«Ê¹ÓÃÕâÀïÖ¸¶¨µÄÊô</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÐÔ£¬Ö±µ½ÔÙ´ÎÖ´Ðб¾¿ØÖÆÐòÁÐÖØÐÂÉèÖÃ×Ö·ûÏÔʾµÄÊôÐÔ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>384</span></u><span
lang=EN-US> void <u><span style='color:blue'>csi_m</span></u>(int currcons )</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>385</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>386</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int i;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>387</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ò»¸ö¿ØÖÆÐòÁÐÖпÉÒÔ´øÓжà¸ö²»Í¬²ÎÊý¡£²ÎÊý´æ´¢ÔÚÊý×é<span
lang=EN-US>par[]</span>ÖС£ÏÂÃæ¾Í¸ù¾Ý½ÓÊÕµ½µÄ²ÎÊý</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¸öÊý<span lang=EN-US>npar</span>£¬Ñ­»·´¦Àí¸÷¸ö²ÎÊý<span
lang=EN-US>Ps</span>¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>Ps =
0</span>£¬Ôò°Ñµ±Ç°ÐéÄâ¿ØÖÆÌ¨ËæºóÏÔʾµÄ×Ö·ûÊôÐÔÉèÖÃΪĬÈÏÊôÐÔ<span lang=EN-US>def_attr</span>¡£³õʼ»¯Ê±</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // def_attr</span>Òѱ»ÉèÖóÉ<span
lang=EN-US>0x07</span>£¨ºÚµ×°××Ö£©¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>Ps
= 1</span>£¬Ôò°Ñµ±Ç°ÐéÄâ¿ØÖÆÌ¨ËæºóÏÔʾµÄ×Ö·ûÊôÐÔÉèÖÃΪ´ÖÌå»òÔöÁÁÏÔʾ¡£ Èç¹ûÊDzÊÉ«</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÏÔʾ£¬Ôò°Ñ×Ö·ûÊôÐÔ»òÉÏ<span
lang=EN-US>0x08</span>ÈÃ×Ö·û¸ßÁÁ¶ÈÏÔʾ£»Èç¹ûÊǵ¥É«ÏÔʾ£¬ÔòÈÃ×Ö·û´øÏ»®ÏßÏÔʾ¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>Ps
= 4</span>£¬Ôò¶Ô²ÊÉ«ºÍµ¥É«ÏÔʾ½øÐв»Í¬µÄ´¦Àí¡£Èô´Ëʱ²»ÊDzÊÉ«ÏÔʾ·½Ê½£¬ÔòÈÃ×Ö·û´ø</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ï»®ÏßÏÔʾ¡£Èç¹ûÊDzÊÉ«ÏÔʾ£¬ÄÇôÈôÔ­À´<span
lang=EN-US>vc_bold_attr</span>²»µÈÓÚ<span lang=EN-US>-1</span>ʱ¾Í¸´Î»Æä±³¾°É«£»·ñÔò</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>µÄ»°¾Í°Ñǰ¾°É«È¡·´¡£ÈôÈ¡·´ºóǰ¾°É«Óë±³¾°É«Ïàͬ£¬¾Í°Ñǰ¾°É«Ôö<span
lang=EN-US>1</span>¶øÈ¡ÁíÒ»ÖÖÑÕÉ«¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>388</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for (i=0;i&lt;=<u><span
style='color:blue'>npar</span></u>;i++)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>389</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
switch (<u><span style='color:blue'>par</span></u>[i]) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>390</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 0: <u><span style='color:blue'>attr</span></u>=<u><span style='color:blue'>def_attr</span></u>;break;&nbsp;
<b><i>/* default */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>391</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case
1: <u><span style='color:blue'>attr</span></u>=(<u><span style='color:blue'>iscolor</span></u>?<u><span
style='color:blue'>attr</span></u>|0x08:<u><span style='color:blue'>attr</span></u>|0x0f);break;&nbsp; <b><i>/* bold */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>392</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><i>/*case 4: attr=attr|0x01;break;*/</i></b>&nbsp; <b><i>/* underline */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>393</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 4: <b><i>/* bold */</i></b> </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>394</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>iscolor</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>395</span></u><span
lang=EN-US>&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u><span
style='color:blue'>attr</span></u> |= 0x01;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>µ¥É«Ôò´øÏ»®ÏßÏÔʾ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>396</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>397</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
{ <b><i>/* check if forground == background */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>398</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_bold_attr !=
-1)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>399</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u><span
style='color:blue'>attr</span></u> = (<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_bold_attr&amp;0x0f)|(0xf0&amp;(<u><span
style='color:blue'>attr</span></u>));</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>400</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>401</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
{ short newattr = (<u><span style='color:blue'>attr</span></u>&amp;0xf0)|(0xf&amp;(~<u><span
style='color:blue'>attr</span></u>));</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>402</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>attr</span></u> = ((newattr&amp;0xf)==((<u><span
style='color:blue'>attr</span></u>&gt;&gt;4)&amp;0xf)? </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>403</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>attr</span></u>&amp;0xf0)|(((<u><span
style='color:blue'>attr</span></u>&amp;0xf)+1)%0xf):</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>404</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
newattr);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>405</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}&nbsp;&nbsp;&nbsp; </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>406</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>407</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>Ps
= 5</span>£¬Ôò°Ñµ±Ç°ÐéÄâ¿ØÖÆÌ¨ËæºóÏÔʾµÄ×Ö·ûÉèÖÃΪÉÁ˸£¬¼´°ÑÊôÐÔ×Ö½Ú±ÈÌØÎ»<span lang=EN-US>7</span>ÖÃ<span
lang=EN-US>1</span>¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>Ps
= 7</span>£¬Ôò°Ñµ±Ç°ÐéÄâ¿ØÖÆÌ¨ËæºóÏÔʾµÄ×Ö·ûÉèÖÃΪ·´ÏÔ£¬¼´°Ñǰ¾°ºÍ±³¾°É«½»»»¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>Ps
= 22</span>£¬ÔòÈ¡ÏûËæºó×Ö·ûµÄ¸ßÁÁ¶ÈÏÔʾ£¨È¡Ïû´ÖÌåÏÔʾ£©¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>Ps
= 24</span>£¬Ôò¶ÔÓÚµ¥É«ÏÔʾÊÇÈ¡ÏûËæºó×Ö·ûµÄÏ»®ÏßÏÔʾ£¬¶ÔÓÚ²ÊÉ«ÏÔʾÔòÊÇÈ¡ÏûÂÌÉ«¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>Ps
= 25</span>£¬ÔòÈ¡ÏûËæºó×Ö·ûµÄÉÁ˸ÏÔʾ¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>Ps
= 27</span>£¬ÔòÈ¡ÏûËæºó×Ö·ûµÄ·´ÏÔ¡£</p>
<p class=a><span lang=EN-US>&nbsp; &nbsp;&nbsp;// </span>Èç¹û<span lang=EN-US>Ps
= 39</span>£¬Ôò¸´Î»Ëæºó×Ö·ûµÄǰ¾°É«ÎªÄ¬ÈÏǰ¾°É«£¨°×É«£©¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>Ps
= 49</span>£¬Ôò¸´Î»Ëæºó×Ö·ûµÄ±³¾°É«ÎªÄ¬Èϱ³¾°É«£¨ºÚÉ«£©¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>408</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 5: <u><span style='color:blue'>attr</span></u>=<u><span style='color:blue'>attr</span></u>|0x80;break;&nbsp;
<b><i>/* blinking */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>409</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 7: <u><span style='color:blue'>attr</span></u>=(<u><span style='color:
blue'>attr</span></u>&lt;&lt;4)|(<u><span style='color:blue'>attr</span></u>&gt;&gt;4);break;&nbsp;
<b><i>/* negative */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>410</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case 22: <u><span
style='color:blue'>attr</span></u>=<u><span style='color:blue'>attr</span></u>&amp;0xf7;break;
<b><i>/* not bold */</i></b> </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>411</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 24: <u><span style='color:blue'>attr</span></u>=<u><span style='color:
blue'>attr</span></u>&amp;0xfe;break;&nbsp; <b><i>/* not underline */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>412</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 25: <u><span style='color:blue'>attr</span></u>=<u><span style='color:
blue'>attr</span></u>&amp;0x7f;break;&nbsp; <b><i>/* not blinking */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>413</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 27: <u><span style='color:blue'>attr</span></u>=<u><span style='color:
blue'>def_attr</span></u>;break; <b><i>/* positive image */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>414</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 39: <u><span style='color:blue'>attr</span></u>=(<u><span
style='color:blue'>attr</span></u> &amp; 0xf0)|(<u><span style='color:blue'>def_attr</span></u>
&amp; 0x0f); break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>415</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case 49: <u><span style='color:blue'>attr</span></u>=(<u><span
style='color:blue'>attr</span></u> &amp; 0x0f)|(<u><span
style='color:blue'>def_attr</span></u> &amp; 0xf0); break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>µ±<span lang=EN-US>Ps</span>£¨<span
lang=EN-US>par[i]</span>£©ÎªÆäËûֵʱ£¬ÔòÊÇÉèÖÃÖ¸¶¨µÄǰ¾°É«»ò±³¾°É«¡£Èç¹û<span lang=EN-US>Ps = 30..37</span>£¬ÔòÊÇÉèÖÃ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ǰ¾°É«£»Èç¹û<span
lang=EN-US>Ps=40..47</span>£¬ÔòÊÇÉèÖñ³¾°É«¡£ÓйØÑÕɫֵÇë²Î¼û³ÌÐòºó˵Ã÷¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>416</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
default:</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>417</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>can_do_colour</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>418</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>419</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>iscolor</span></u> = 1;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>420</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if ((<u><span style='color:blue'>par</span></u>[i]&gt;=30) &amp;&amp; (<u><span
style='color:blue'>par</span></u>[i]&lt;=38))&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖÃǰ¾°É«¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>421</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>attr</span></u> = (<u><span style='color:blue'>attr</span></u>
&amp; 0xf0) | (<u><span style='color:blue'>par</span></u>[i]-30);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>422</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else&nbsp; <b><i>/* Background color */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>423</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if ((<u><span style='color:blue'>par</span></u>[i]&gt;=40) &amp;&amp; (<u><span
style='color:blue'>par</span></u>[i]&lt;=48))&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // </span>ÉèÖñ³¾°É«¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>424</span></u><span
lang=EN-US>&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u><span
style='color:blue'>attr</span></u> = (<u><span style='color:blue'>attr</span></u>
&amp; 0x0f) | ((<u><span
style='color:blue'>par</span></u>[i]-40)&lt;&lt;4);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>425</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>426</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>427</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>428</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>429</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ÉèÖÃÏÔʾ¹â±ê¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¸ù¾Ý¹â±ê¶ÔÓ¦ÏÔʾÄÚ´æÎ»ÖÃ<span
lang=EN-US>pos</span>£¬ÉèÖÃÏÔʾ¿ØÖÆÆ÷¹â±êµÄÏÔʾλÖá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>430</span></u><span
lang=EN-US> static inline void <u><span style='color:blue'>set_cursor</span></u>(int
currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>431</span></u><span
lang=EN-US> {</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¼ÈÈ»ÎÒÃÇÐèÒªÉèÖÃÏÔʾ¹â±ê£¬ËµÃ÷ÓмüÅ̲Ù×÷£¬Òò´ËÐèÒª»Ö¸´½øÐÐºÚÆÁ²Ù×÷µÄÑÓʱ¼ÆÊýÖµ¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÁíÍ⣬ÏÔʾ¹â±êµÄ¿ØÖÆÌ¨±ØÐëÊÇǰ̨¿ØÖÆÌ¨£¬Òò´ËÈôµ±Ç°´¦ÀíµĄ̈ºÅ<span
lang=EN-US>currcons</span>²»ÊÇǰ̨¿Ø</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÖÆÌ¨¾ÍÁ¢¿Ì·µ»Ø¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>432</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>blankcount</span></u> = <u><span style='color:blue'>blankinterval</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>¸´Î»ºÚÆÁ²Ù×÷µÄ¼ÆÊýÖµ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>433</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (currcons != <u><span
style='color:blue'>fg_console</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>434</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>È»ºóʹÓÃË÷Òý¼Ä´æÆ÷¶Ë¿ÚÑ¡ÔñÏÔʾ¿ØÖÆÊý¾Ý¼Ä´æÆ÷<span
lang=EN-US>r14</span>£¨¹â±êµ±Ç°ÏÔʾλÖøß×Ö½Ú£©£¬½Ó×Å</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>дÈë¹â±êµ±Ç°Î»Öøß×Ö½Ú£¨ÏòÓÒÒÆ¶¯<span
lang=EN-US>9</span>λ±íʾ¸ß×Ö½ÚÒÆµ½µÍ×Ö½ÚÔÙ³ýÒÔ<span lang=EN-US>2</span>£©¡£ÊÇÏà¶ÔÓÚĬÈÏ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÏÔʾÄÚ´æ²Ù×÷µÄ¡£ÔÙʹÓÃË÷Òý¼Ä´æÆ÷Ñ¡Ôñ<span
lang=EN-US>r15</span>£¬²¢½«¹â±êµ±Ç°Î»ÖõÍ×Ö½ÚдÈëÆäÖС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>435</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>cli</span></u>();</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>436</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(14, <u><span style='color:blue'>video_port_reg</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>437</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<u><span
style='color:blue'>outb_p</span></u>(0xff&amp;((<u><span style='color:blue'>pos</span></u>-<u><span
style='color:blue'>video_mem_base</span></u>)&gt;&gt;9), <u><span
style='color:blue'>video_port_val</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>438</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(15, <u><span style='color:blue'>video_port_reg</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>439</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(0xff&amp;((<u><span style='color:blue'>pos</span></u>-<u><span
style='color:blue'>video_mem_base</span></u>)&gt;&gt;1), <u><span
style='color:blue'>video_port_val</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>440</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>sti</span></u>();</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>441</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>442</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Òþ²Ø¹â±ê¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>°Ñ¹â±êÉèÖõ½µ±Ç°ÐéÄâ¿ØÖÆÌ¨´°¿ÚµÄÄ©¶Ë£¬Æðµ½Òþ²Ø¹â±êµÄ×÷Óá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>443</span></u><span
lang=EN-US> static inline void <u><span style='color:blue'>hide_cursor</span></u>(int
currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>444</span></u><span
lang=EN-US> {</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ê×ÏÈʹÓÃË÷Òý¼Ä´æÆ÷¶Ë¿ÚÑ¡ÔñÏÔʾ¿ØÖÆÊý¾Ý¼Ä´æÆ÷<span
lang=EN-US>r14</span>£¨¹â±êµ±Ç°ÏÔʾλÖøß×Ö½Ú£©£¬È»ºó</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>дÈë¹â±êµ±Ç°Î»Öøß×Ö½Ú£¨ÏòÓÒÒÆ¶¯<span
lang=EN-US>9</span>λ±íʾ¸ß×Ö½ÚÒÆµ½µÍ×Ö½ÚÔÙ³ýÒÔ<span lang=EN-US>2</span>£©¡£ÊÇÏà¶ÔÓÚĬÈÏ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÏÔʾÄÚ´æ²Ù×÷µÄ¡£ÔÙʹÓÃË÷Òý¼Ä´æÆ÷Ñ¡Ôñ<span
lang=EN-US>r15</span>£¬²¢½«¹â±êµ±Ç°Î»ÖõÍ×Ö½ÚдÈëÆäÖС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>445</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(14, <u><span style='color:blue'>video_port_reg</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>446</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(0xff&amp;((<u><span style='color:blue'>scr_end</span></u>-<u><span
style='color:blue'>video_mem_base</span></u>)&gt;&gt;9), <u><span
style='color:blue'>video_port_val</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>447</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(15, <u><span style='color:blue'>video_port_reg</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>448</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(0xff&amp;((<u><span style='color:blue'>scr_end</span></u>-<u><span
style='color:blue'>video_mem_base</span></u>)&gt;&gt;1), <u><span
style='color:blue'>video_port_val</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>449</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>450</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>·¢ËͶÔ<span lang=EN-US>VT100</span>µÄÏìÓ¦ÐòÁС£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¼´ÎªÏìÓ¦Ö÷»úÇëÇóÖÕ¶ËÏòÖ÷»ú·¢ËÍÉ豸ÊôÐÔ£¨<span
lang=EN-US>DA</span>£©¡£Ö÷»úͨ¹ý·¢ËͲ»´ø²ÎÊý»ò²ÎÊýÊÇ<span lang=EN-US>0</span>µÄ<span lang=EN-US>DA</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¿ØÖÆÐòÁУ¨<span lang=EN-US>'ESC
[ 0c' </span>»ò <span
lang=EN-US>'ESC Z'</span>£©ÒªÇóÖÕ¶Ë·¢ËÍÒ»¸öÉ豸ÊôÐÔ£¨<span lang=EN-US>DA</span>£©¿ØÖÆÐòÁУ¬ÖÕ¶ËÔò·¢</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ËÍ<span lang=EN-US>85</span>ÐÐÉ϶¨ÒåµÄÓ¦´ðÐòÁУ¨¼´
<span lang=EN-US>'ESC [?1;2c'</span>£©À´ÏìÓ¦Ö÷»úµÄÐòÁУ¬¸ÃÐòÁиæËßÖ÷»ú±¾ÖÕ¶Ë</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÊǾßÓи߼¶ÊÓÆµ¹¦ÄܵÄ<span
lang=EN-US>VT100</span>¼æÈÝÖÕ¶Ë¡£´¦Àí¹ý³ÌÊǽ«Ó¦´ðÐòÁзÅÈë¶Á»º³å¶ÓÁÐÖУ¬²¢Ê¹ÓÃ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // copy_to_cooked()</span>º¯Êý´¦Àíºó·ÅÈ븨Öú¶ÓÁÐÖС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>451</span></u><span
lang=EN-US> static void <u><span style='color:blue'>respond</span></u>(int
currcons, struct <u><span style='color:blue'>tty_struct</span></u> * tty)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>452</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>453</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; char * p = <u><span
style='color:blue'>RESPONSE</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>¶¨ÒåÔÚµÚ<span lang=EN-US>147</span>ÐÐÉÏ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>454</span></u><span
lang=EN-US> </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>455</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>cli</span></u>();</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>456</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; while (*p) {&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>½«Ó¦´ðÐòÁзÅÈë¶Á¶ÓÁС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>457</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>PUTCH</span></u>(*p,tty-&gt;read_q);&nbsp;&nbsp;&nbsp;
// </span>Öð×Ö·û·ÅÈë¡£<span lang=EN-US>include/linux/tty.h</span>£¬<span lang=EN-US>46</span>ÐС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>458</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;p++;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>459</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>460</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>sti</span></u>();&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ת»»³É¹æ·¶Ä£Ê½£¨·ÅÈ븨Öú¶ÓÁÐÖУ©¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>461</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>copy_to_cooked</span></u>(tty);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// tty_io.c</span>£¬<span lang=EN-US>120</span>ÐС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>462</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>463</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ÔÚ¹â±ê´¦²åÈëÒ»¿Õ¸ñ×Ö·û¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>°Ñ¹â±ê¿ªÊ¼´¦µÄËùÓÐ×Ö·ûÓÒÒÆÒ»¸ñ£¬²¢½«²Á³ý×Ö·û²åÈëÔÚ¹â±êËùÔÚ´¦¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>464</span></u><span
lang=EN-US> static void <u><span style='color:blue'>insert_char</span></u>(int
currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>465</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>466</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int i=<u><span
style='color:blue'>x</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>467</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned short tmp,
old = <u><span style='color:blue'>video_erase_char</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>²Á³ý×Ö·û£¨¼ÓÊôÐÔ£©¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>468</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned short * p
= (unsigned short *) <u><span style='color:blue'>pos</span></u>;&nbsp;&nbsp;&nbsp;
// </span>¹â±ê¶ÔÓ¦ÄÚ´æÎ»Öá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>469</span></u><span
lang=EN-US> </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>470</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; while (i++&lt;<u><span
style='color:blue'>video_num_columns</span></u>) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>471</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
tmp=*p;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>472</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*p=old;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>473</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
old=tmp;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>474</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
p++;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>475</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>476</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>477</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ÔÚ¹â±ê´¦²åÈëÒ»ÐС£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>½«ÆÁÄ»´°¿Ú´Ó¹â±êËùÔÚÐе½´°¿Úµ×µÄÄÚÈÝÏòÏÂ¾í¶¯Ò»ÐС£¹â±ê½«´¦ÔÚеĿÕÐÐÉÏ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>478</span></u><span
lang=EN-US> static void <u><span style='color:blue'>insert_line</span></u>(int
currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>479</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>480</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int
oldtop,oldbottom;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>481</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ê×Ïȱ£´æÆÁÄ»´°¿Ú¾í¶¯¿ªÊ¼ÐÐ<span
lang=EN-US>top</span>ºÍ×îºóÐÐ<span lang=EN-US>bottom</span>Öµ£¬È»ºó´Ó¹â±êËùÔÚÐÐÈÃÆÁÄ»ÄÚÈÝÏòÏÂ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¹ö¶¯Ò»ÐС£×îºó»Ö¸´ÆÁÄ»´°¿Ú¾í¶¯¿ªÊ¼ÐÐ<span
lang=EN-US>top</span>ºÍ×îºóÐÐ<span lang=EN-US>bottom</span>µÄÔ­À´Öµ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>482</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; oldtop=<u><span
style='color:blue'>top</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>483</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; oldbottom=<u><span
style='color:blue'>bottom</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>484</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>top</span></u>=<u><span style='color:blue'>y</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖÃÆÁÄ»¾í¶¯¿ªÊ¼ÐкͽáÊøÐС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>485</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>bottom</span></u> = <u><span style='color:blue'>video_num_lines</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>486</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>scrdown</span></u>(currcons);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>´Ó¹â±ê¿ªÊ¼´¦£¬ÆÁÄ»ÄÚÈÝÏòϹö¶¯Ò»ÐС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>487</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>top</span></u>=oldtop;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>488</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>bottom</span></u>=oldbottom;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>489</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>490</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ɾ³ýÒ»¸ö×Ö·û¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ɾ³ý¹â±ê´¦µÄÒ»¸ö×Ö·û£¬¹â±êÓұߵÄËùÓÐ×Ö·û×óÒÆÒ»¸ñ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>491</span></u><span
lang=EN-US> static void <u><span style='color:blue'>delete_char</span></u>(int
currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>492</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>493</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int i;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>494</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned short * p
= (unsigned short *) <u><span style='color:blue'>pos</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>495</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û¹â±êµÄµ±Ç°ÁÐλÖÃ<span
lang=EN-US>x</span>³¬³öÆÁÄ»×îÓÒÁУ¬Ôò·µ»Ø¡£·ñÔò´Ó¹â±êÓÒÒ»¸ö×Ö·û¿ªÊ¼µ½ÐÐÄ©ËùÓÐ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>×Ö·û×óÒÆÒ»¸ñ¡£È»ºóÔÚ×îºóÒ»¸ö×Ö·û´¦ÌîÈë²Á³ý×Ö·û¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>496</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (<u><span
style='color:blue'>x</span></u>&gt;=<u><span style='color:blue'>video_num_columns</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>497</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>498</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; i = <u><span
style='color:blue'>x</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>499</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;while (++i &lt; <u><span
style='color:blue'>video_num_columns</span></u>) {&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>¹â±êÓÒËùÓÐ×Ö·û×óÒÆ<span lang=EN-US>1</span>¸ñ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>500</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*p = *(p+1);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>501</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
p++;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>502</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>503</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *p = <u><span
style='color:blue'>video_erase_char</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>×îºóÌîÈë²Á³ý×Ö·û¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>504</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>505</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ɾ³ý¹â±êËùÔÚÐС£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ɾ³ý¹â±êËùÔÚµÄÒ»ÐУ¬²¢´Ó¹â±êËùÔÚÐпªÊ¼ÆÁÄ»ÄÚÈÝÉϾíÒ»ÐС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>506</span></u><span
lang=EN-US> static void <u><span style='color:blue'>delete_line</span></u>(int
currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>507</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>508</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int
oldtop,oldbottom;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>509</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ê×Ïȱ£´æÆÁÄ»¾í¶¯¿ªÊ¼ÐÐ<span
lang=EN-US>top</span>ºÍ×îºóÐÐ<span lang=EN-US>bottom</span>Öµ£¬È»ºó´Ó¹â±êËùÔÚÐÐÈÃÆÁÄ»ÄÚÈÝÏòÉϹö¶¯</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ò»ÐС£×îºó»Ö¸´ÆÁÄ»¾í¶¯¿ªÊ¼ÐÐ<span
lang=EN-US>top</span>ºÍ×îºóÐÐ<span lang=EN-US>bottom</span>µÄÔ­À´Öµ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>510</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; oldtop=<u><span
style='color:blue'>top</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>511</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; oldbottom=<u><span
style='color:blue'>bottom</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>512</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>top</span></u>=<u><span style='color:blue'>y</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖÃÆÁÄ»¾í¶¯¿ªÊ¼ÐкÍ×îºóÐС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>513</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>bottom</span></u> = <u><span style='color:blue'>video_num_lines</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>514</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>scrup</span></u>(currcons);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>´Ó¹â±ê¿ªÊ¼´¦£¬ÆÁÄ»ÄÚÈÝÏòÉϹö¶¯Ò»ÐС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>515</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>top</span></u>=oldtop;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>516</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>bottom</span></u>=oldbottom;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>517</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>518</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ÔÚ¹â±ê´¦²åÈë<span
lang=EN-US>nr</span>¸ö×Ö·û¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ANSI</span>תÒå×Ö·ûÐòÁУº<span
lang=EN-US>'ESC [ Pn @'</span>¡£ÔÚµ±Ç°¹â±ê´¦²åÈë<span lang=EN-US>1</span>¸ö»ò¶à¸ö¿Õ¸ñ×Ö·û¡£<span
lang=EN-US>Pn</span>ÊDzåÈëµÄ×Ö</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>·ûÊý¡£Ä¬ÈÏÊÇ<span
lang=EN-US>1</span>¡£¹â±ê½«ÈÔÈ»´¦ÓÚµÚ<span lang=EN-US>1</span>¸ö²åÈëµÄ¿Õ¸ñ×Ö·û´¦¡£ÔÚ¹â±êÓëÓұ߽çµÄ×Ö·û½«ÓÒÒÆ¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>³¬¹ýÓұ߽çµÄ×Ö·û½«±»¶ªÊ§¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²ÎÊý <span lang=EN-US>nr
= </span>תÒå×Ö·ûÐòÁÐÖеIJÎÊý<span lang=EN-US>Pn</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>519</span></u><span
lang=EN-US> static void <u><span style='color:blue'>csi_at</span></u>(int
currcons, unsigned int nr)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>520</span></u><span
lang=EN-US> {</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û²åÈëµÄ×Ö·ûÊý´óÓÚÒ»ÐÐ×Ö·ûÊý£¬Ôò½ØÎªÒ»ÐÐ×Ö·ûÊý£»Èô²åÈë×Ö·ûÊý<span
lang=EN-US>nr</span>Ϊ<span lang=EN-US>0</span>£¬Ôò²åÈë<span lang=EN-US>1</span>¸ö</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>×Ö·û¡£È»ºóÑ­»·²åÈëÖ¸¶¨¸ö¿Õ¸ñ×Ö·û¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>521</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (nr &gt; <u><span
style='color:blue'>video_num_columns</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>522</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
nr = <u><span style='color:blue'>video_num_columns</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>523</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; else if (!nr)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>524</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
nr = 1;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>525</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; while (nr--)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>526</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>insert_char</span></u>(currcons);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>527</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>528</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ÔÚ¹â±êλÖô¦²åÈë<span
lang=EN-US>nr</span>ÐС£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ANSI</span>תÒå×Ö·ûÐòÁУº<span
lang=EN-US>'ESC [ Pn L'</span>¡£¸Ã¿ØÖÆÐòÁÐÔÚ¹â±ê´¦²åÈë<span lang=EN-US>1</span>Ðлò¶àÐпÕÐС£²Ù×÷Íê³Éºó</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¹â±êλÖò»±ä¡£µ±¿ÕÐб»²åÈëʱ£¬¹â±êÒÔϹö¶¯ÇøÓòÄÚµÄÐÐÏòÏÂÒÆ¶¯¡£¹ö¶¯³öÏÔʾҳµÄÐоÍ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¶ªÊ§¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²ÎÊý <span lang=EN-US>nr
= </span>תÒå×Ö·ûÐòÁÐÖеIJÎÊý<span lang=EN-US>Pn</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>529</span></u><span
lang=EN-US> static void <u><span style='color:blue'>csi_L</span></u>(int
currcons, unsigned int nr)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>530</span></u><span
lang=EN-US> {</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û²åÈëµÄÐÐÊý´óÓÚÆÁÄ»×î¶àÐÐÊý£¬Ôò½ØÎªÆÁÄ»ÏÔʾÐÐÊý£»Èô²åÈëÐÐÊý<span
lang=EN-US>nr</span>Ϊ<span lang=EN-US>0</span>£¬Ôò²åÈë<span lang=EN-US>1</span>ÐС£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>È»ºóÑ­»·²åÈëÖ¸¶¨ÐÐÊý<span
lang=EN-US>nr</span>µÄ¿ÕÐС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>531</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (nr &gt; <u><span
style='color:blue'>video_num_lines</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>532</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
nr = <u><span style='color:blue'>video_num_lines</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>533</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; else if (!nr)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>534</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
nr = 1;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>535</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; while (nr--)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>536</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>insert_line</span></u>(currcons);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>537</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>538</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ɾ³ý¹â±ê´¦µÄ<span
lang=EN-US>nr</span>¸ö×Ö·û¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ANSI</span>תÒåÐòÁУº<span
lang=EN-US>'ESC [ Pn P'</span>¡£¸Ã¿ØÖÆÐòÁдӹâ±ê´¦É¾³ý<span lang=EN-US>Pn</span>¸ö×Ö·û¡£µ±Ò»¸ö×Ö·û±»É¾³ýʱ£¬</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¹â±êÓÒËùÓÐ×Ö·û¶¼×óÒÆ¡£Õâ»áÔÚÓұ߽紦²úÉúÒ»¸ö¿Õ×Ö·û¡£ÆäÊôÐÔÓ¦¸ÃÓë×îºóÒ»¸ö×óÒÆ×Ö·û</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ïàͬ£¬µ«ÕâÀï×÷Á˼ò»¯´¦Àí£¬½öʹÓÃ×Ö·ûµÄĬÈÏÊôÐÔ£¨ºÚµ×°××Ö¿Õ¸ñ<span
lang=EN-US>0x0720</span>£©À´ÉèÖÿÕ×Ö·û¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²ÎÊý <span lang=EN-US>nr
= </span>תÒå×Ö·ûÐòÁÐÖеIJÎÊý<span lang=EN-US>Pn</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>539</span></u><span
lang=EN-US> static void <u><span style='color:blue'>csi_P</span></u>(int
currcons, unsigned int nr)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>540</span></u><span
lang=EN-US> {</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹ûɾ³ýµÄ×Ö·ûÊý´óÓÚÒ»ÐÐ×Ö·ûÊý£¬Ôò½ØÎªÒ»ÐÐ×Ö·ûÊý£»Èôɾ³ý×Ö·ûÊý<span
lang=EN-US>nr</span>Ϊ<span lang=EN-US>0</span>£¬Ôòɾ³ý<span lang=EN-US>1</span>¸ö</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>×Ö·û¡£È»ºóÑ­»·É¾³ý¹â±ê´¦Ö¸¶¨×Ö·ûÊý<span
lang=EN-US>nr</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>541</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (nr &gt; <u><span
style='color:blue'>video_num_columns</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>542</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
nr = <u><span style='color:blue'>video_num_columns</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>543</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; else if (!nr)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>544</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
nr = 1;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>545</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; while (nr--)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>546</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>delete_char</span></u>(currcons);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>547</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>548</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>ɾ³ý¹â±ê´¦µÄ<span
lang=EN-US>nr</span>ÐС£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ANSI</span>תÒåÐòÁУº<span
lang=EN-US>'ESC [ Pn M'</span>¡£¸Ã¿ØÖÆÐòÁÐÔÚ¹ö¶¯ÇøÓòÄÚ£¬´Ó¹â±êËùÔÚÐпªÊ¼É¾³ý<span lang=EN-US>1</span>Ðлò¶à</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÐС£µ±Ðб»É¾³ýʱ£¬¹ö¶¯ÇøÓòÄڵı»É¾ÐÐÒÔϵÄÐлáÏòÉÏÒÆ¶¯£¬²¢ÇÒ»áÔÚ×îµ×ÐÐÌí¼Ó<span
lang=EN-US>1</span>¿ÕÐС£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èô<span lang=EN-US>Pn</span>´óÓÚÏÔʾҳÉÏÊ£ÓàÐÐÊý£¬Ôò±¾ÐòÁнöɾ³ýÕâЩʣÓàÐУ¬²¢¶Ô¹ö¶¯ÇøÓòÍâ²»Æð×÷Óá£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²ÎÊý <span lang=EN-US>nr
= </span>תÒå×Ö·ûÐòÁÐÖеIJÎÊý<span lang=EN-US>Pn</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>549</span></u><span
lang=EN-US> static void <u><span style='color:blue'>csi_M</span></u>(int
currcons, unsigned int nr)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>550</span></u><span
lang=EN-US> {</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹ûɾ³ýµÄÐÐÊý´óÓÚÆÁÄ»×î¶àÐÐÊý£¬Ôò½ØÎªÆÁÄ»ÏÔʾÐÐÊý£»ÈôÓûɾ³ýµÄÐÐÊý<span
lang=EN-US>nr</span>Ϊ<span lang=EN-US>0</span>£¬Ôòɾ³ý</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // 1</span>ÐС£È»ºóÑ­»·É¾³ýÖ¸¶¨ÐÐÊý<span
lang=EN-US>nr</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>551</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (nr &gt; <u><span
style='color:blue'>video_num_lines</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>552</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
nr = <u><span style='color:blue'>video_num_lines</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>553</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; else if (!nr)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>554</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
nr=1;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>555</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; while (nr--)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>556</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>delete_line</span></u>(currcons);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>557</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>558</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>±£´æµ±Ç°¹â±êλÖá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>559</span></u><span
lang=EN-US> static void <u><span style='color:blue'>save_cur</span></u>(int
currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>560</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>561</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>saved_x</span></u>=<u><span style='color:blue'>x</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>562</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>saved_y</span></u>=<u><span style='color:blue'>y</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>563</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>564</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>»Ö¸´±£´æµÄ¹â±êλÖá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>565</span></u><span
lang=EN-US> static void <u><span style='color:blue'>restore_cur</span></u>(int currcons)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>566</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>567</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>gotoxy</span></u>(currcons,<u><span style='color:blue'>saved_x</span></u>,
<u><span style='color:blue'>saved_y</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>568</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>569</span></u><span
lang=EN-US> </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>570</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Õâ¸öö¾Ù¶¨ÒåÓÃÓÚÏÂÃæ<span
lang=EN-US>con_write()</span>º¯ÊýÖд¦ÀíתÒåÐòÁлò¿ØÖÆÐòÁеĽâÎö¡£<span lang=EN-US>ESnormal</span>Êdzõ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ʼ½øÈë״̬£¬Ò²ÊÇתÒå»ò¿ØÖÆÐòÁд¦ÀíÍê±ÏʱµÄ״̬¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ESnormal -&nbsp; </span>±íʾ´¦ÓÚ³õʼÕý³£×´Ì¬¡£´ËʱÈô½ÓÊÕµ½µÄÊÇÆÕͨÏÔʾ×Ö·û£¬Ôò°Ñ×Ö·ûÖ±½ÓÏÔʾ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>ÔÚÆÁÄ»ÉÏ£»Èô½ÓÊÕµ½µÄÊÇ¿ØÖÆ×Ö·û£¨ÀýÈç»Ø³µ×Ö·û£©£¬Ôò¶Ô¹â±êλÖýøÐÐÉèÖá£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>µ±¸Õ´¦ÀíÍêÒ»¸öתÒå»ò¿ØÖÆÐòÁУ¬³ÌÐòÒ²»á·µ»Øµ½±¾×´Ì¬¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ESesc&nbsp;&nbsp;&nbsp;
-&nbsp; </span>±íʾ½ÓÊÕµ½×ªÒåÐòÁÐÒýµ¼×Ö·û<span lang=EN-US>ESC</span>£¨<span lang=EN-US>0x1b =
033 = 27</span>£©£»Èç¹ûÔÚ´Ë״̬ϽÓÊÕ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>µ½Ò»¸ö<span
lang=EN-US>'['</span>×Ö·û£¬Ôò˵Ã÷תÒåÐòÁÐÒýµ¼Â룬ÓÚÊÇÌø×ªµ½<span lang=EN-US>ESsquare</span>È¥´¦Àí¡£·ñÔò</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>¾Í°Ñ½ÓÊÕµ½µÄ×Ö·û×÷ΪתÒåÐòÁÐÀ´´¦Àí¡£¶ÔÓÚÑ¡Ôñ×Ö·û¼¯×ªÒåÐòÁÐ<span
lang=EN-US>'ESC (' </span>ºÍ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 'ESC
)'</span>£¬ÎÒÃÇʹÓõ¥¶ÀµÄ״̬<span lang=EN-US>ESsetgraph</span>À´´¦Àí£»¶ÔÓÚÉ豸¿ØÖÆ×Ö·û´®ÐòÁÐ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 'ESC
P'</span>£¬ÎÒÃÇʹÓõ¥¶ÀµÄ״̬<span lang=EN-US>ESsetterm</span>À´´¦Àí¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ESsquare -&nbsp; </span>±íʾÒѾ­½ÓÊÕµ½Ò»¸ö¿ØÖÆÐòÁÐÒýµ¼Â루<span
lang=EN-US>'ESC ['</span>£©£¬±íʾ½ÓÊÕµ½µÄÊÇÒ»¸ö¿ØÖÆÐò</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>ÁС£ÓÚÊDZ¾×´Ì¬Ö´ÐвÎÊýÊý×é<span
lang=EN-US>par[]</span>ÇåÁã³õʼ»¯¹¤×÷¡£Èç¹û´Ëʱ½ÓÊÕµ½µÄÓÖÊÇÒ»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>¸ö<span
lang=EN-US>'['</span>×Ö·û£¬Ôò±íʾÊÕµ½ÁË<span lang=EN-US>'ESC [['</span>ÐòÁС£¸ÃÐòÁÐÊǼüÅ̹¦Äܼü·¢³öµÄÐòÁУ¬ÓÚ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>ÊÇÌø×ªµ½
<span lang=EN-US>Esfunckey </span>È¥´¦Àí¡£·ñÔòÎÒÃÇÐèҪ׼±¸½ÓÊÕ¿ØÖÆÐòÁеIJÎÊý£¬ÓÚÊÇÖÃ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>״̬<span
lang=EN-US>Esgetpars</span>²¢Ö±½Ó½øÈë¸Ã״̬ȥ½ÓÊÕ²¢±£´æÐòÁеIJÎÊý×Ö·û¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ESgetpars - </span>¸Ã״̬±íʾÎÒÃÇ´ËʱҪ½ÓÊÕ¿ØÖÆÐòÁеIJÎÊýÖµ¡£²ÎÊýÓÃÊ®½øÖÆÊý±íʾ£¬ÎÒÃǰÑ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>½ÓÊÕµ½µÄÊý×Ö×Ö·ûת»»³ÉÊýÖµ²¢±£´æµ½<span
lang=EN-US>par[]</span>Êý×éÖС£Èç¹ûÊÕµ½Ò»¸ö·ÖºÅ <span lang=EN-US>';'</span>£¬</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>Ôò»¹ÊÇά³ÖÔÚ±¾×´Ì¬£¬²¢°Ñ½ÓÊÕµ½µÄ²ÎÊýÖµ±£´æÔÚÊý¾Ý<span
lang=EN-US>par[]</span>ÏÂÒ»ÏîÖС£Èô²»ÊÇ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>Êý×Ö×Ö·û»ò·ÖºÅ£¬ËµÃ÷ÒÑÈ¡µÃËùÓвÎÊý£¬ÄÇô¾Í×ªÒÆµ½×´Ì¬<span
lang=EN-US>ESgotpars</span>È¥´¦Àí¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ESgotpars - </span>±íʾÎÒÃÇÒѾ­½ÓÊÕµ½Ò»¸öÍêÕûµÄ¿ØÖÆÐòÁС£´ËʱÎÒÃÇ¿ÉÒÔ¸ù¾Ý±¾×´Ì¬½ÓÊÕµ½µÄ½á</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>β×Ö·û¶ÔÏàÓ¦¿ØÖÆÐòÁнøÐд¦Àí¡£²»¹ýÔÚ´¦Àí֮ǰ£¬Èç¹ûÎÒÃÇÔÚ<span
lang=EN-US>ESsquare </span>״̬</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>ÊÕµ½¹ý
<span lang=EN-US>'?'</span>£¬ËµÃ÷Õâ¸öÐòÁÐÊÇÖÕ¶ËÉ豸˽ÓÐÐòÁС£±¾Äں˲»¶ÔÖ§³Ö¶ÔÕâÖÖÐòÁеÄ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>´¦Àí£¬ÓÚÊÇÎÒÃÇÖ±½Ó»Ö¸´µ½
<span lang=EN-US>ESnormal </span>״̬¡£·ñÔò¾ÍÈ¥Ö´ÐÐÏàÓ¦¿ØÖÆÐòÁС£´ýÐò</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>Áд¦ÀíÍêºó¾Í°Ñ״̬»Ö¸´µ½
<span lang=EN-US>ESnormal</span>¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ESfunckey - </span>±íʾÎÒÃǽÓÊÕµ½Á˼üÅÌÉϹ¦Äܼü·¢³öµÄÒ»¸öÐòÁС£ÎÒÃDz»ÓÃÏÔʾ¡£ÓÚÊǻָ´µ½Õý</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>³£×´Ì¬<span
lang=EN-US>ESnormal</span>¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ESsetterm - </span>±íʾ´¦ÓÚÉ豸¿ØÖÆ×Ö·û´®ÐòÁÐ״̬£¨<span
lang=EN-US>DCS</span>£©¡£´ËʱÈôÊÕµ½×Ö·û <span lang=EN-US>'S'</span>£¬Ôò»Ö¸´³õʼ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>µÄÏÔʾ×Ö·ûÊôÐÔ¡£ÈôÊÕµ½µÄ×Ö·ûÊÇ<span
lang=EN-US>'L'</span>»ò<span lang=EN-US>'l'</span>£¬Ôò¿ªÆô»ò¹Ø±ÕÕÛÐÐÏÔʾ·½Ê½¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ESsetgraph -</span>±íʾÊÕµ½ÉèÖÃ×Ö·û¼¯×ªÒÆÐòÁÐ<span
lang=EN-US>'ESC (' </span>»ò <span lang=EN-US>'ESC )'</span>¡£ËüÃÇ·Ö±ðÓÃÓÚÖ¸¶¨<span
lang=EN-US>G0</span>ºÍ<span lang=EN-US>G1</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>ËùÓõÄ×Ö·û¼¯¡£´ËʱÈôÊÕµ½×Ö·û
<span lang=EN-US>'0'</span>£¬ÔòÑ¡ÔñͼÐÎ×Ö·û¼¯×÷Ϊ<span lang=EN-US>G0</span>ºÍ<span
lang=EN-US>G1</span>£¬ÈôÊÕµ½</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;
//&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>µÄ×Ö·ûÊÇ
<span lang=EN-US>'B'</span>£¬ÕâÑ¡ÔñÆÕͨ<span lang=EN-US>ASCII</span>×Ö·û¼¯×÷Ϊ<span
lang=EN-US>G0</span>ºÍ<span lang=EN-US>G1</span>µÄ×Ö·û¼¯¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>571</span></u><span
lang=EN-US> enum { ESnormal, ESesc, ESsquare, ESgetpars, ESgotpars, ESfunckey, </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>572</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ESsetterm,
ESsetgraph };</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>573</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>¿ØÖÆÌ¨Ð´º¯Êý¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>´ÓÖն˶ÔÓ¦µÄ<span
lang=EN-US>tty</span>д»º³å¶ÓÁÐÖÐÈ¡×Ö·û£¬Õë¶Ôÿ¸ö×Ö·û½øÐзÖÎö¡£ÈôÊÇ¿ØÖÆ×Ö·û»òתÒå»ò¿ØÖÆ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÐòÁУ¬Ôò½øÐйâ±ê¶¨Î»¡¢×Ö·ûɾ³ýµÈµÄ¿ØÖÆ´¦Àí£»¶ÔÓÚÆÕͨ×Ö·û¾ÍÖ±½ÓÔÚ¹â±ê´¦ÏÔʾ¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²ÎÊý <span lang=EN-US>tty</span>Êǵ±Ç°¿ØÖÆÌ¨Ê¹ÓõÄ<span
lang=EN-US>tty</span>½á¹¹Ö¸Õë¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>574</span></u><span
lang=EN-US> void <u><span style='color:blue'>con_write</span></u>(struct <u><span
style='color:blue'>tty_struct</span></u> * tty)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>575</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>576</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int nr;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>577</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; char c;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>578</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int currcons;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>579</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¸Ãº¯ÊýÊ×Ïȸù¾Ýµ±Ç°¿ØÖÆÌ¨Ê¹ÓõÄ<span
lang=EN-US>tty</span>ÔÚ<span lang=EN-US>tty</span>±íÖеÄÏîλÖÃÈ¡µÃ¶ÔÓ¦µÄ¿ØÖÆÌ¨ºÅ<span
lang=EN-US>currcons</span>£¬</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>È»ºó¼ÆËã³ö£¨<span
lang=EN-US>CHARS()</span>£©Ä¿Ç°<span lang=EN-US>tty</span>д¶ÓÁÐÖк¬ÓеÄ×Ö·ûÊý<span
lang=EN-US>nr</span>£¬²¢Ñ­»·È¡³öÆäÖеÄÿ¸ö×Ö·û½øÐÐ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>´¦Àí¡£²»¹ýÈç¹ûµ±Ç°¿ØÖÆÌ¨ÓÉÓÚ½ÓÊÕµ½¼üÅÌ»ò³ÌÐò·¢³öµÄÔÝÍ£ÃüÁÈç°´¼ü<span
lang=EN-US>Ctrl-S</span>£©¶ø´¦ÓÚ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ֹͣ״̬£¬ÄÇô±¾º¯Êý¾ÍÍ£Ö¹´¦Àíд¶ÓÁÐÖеÄ×Ö·û£¬Í˳öº¯Êý¡£ÁíÍ⣬Èç¹ûÈ¡³öµÄÊÇ¿ØÖÆ×Ö·û</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // CAN</span>£¨<span lang=EN-US>24</span>£©»ò<span
lang=EN-US> SUB</span>£¨<span lang=EN-US>26</span>£©£¬ÄÇô<span style='color:black'>ÈôÊÇÔÚתÒå»ò¿ØÖÆÐòÁÐÆÚ¼äÊÕµ½µÄ£¬ÔòÐòÁв»»áÖ´ÐжøÁ¢¿ÌÖÕ</span></p>
<p class=a><span lang=EN-US style='color:black'>&nbsp;&nbsp;&nbsp; // </span><span
style='color:black'>Ö¹£¬Í¬Ê±ÏÔÊ¾ËæºóµÄ×Ö·û¡£×¢Ò⣬<span lang=EN-US>con_write()</span>º¯ÊýÖ»´¦ÀíÈ¡¶ÓÁÐ×Ö·ûÊýʱд¶ÓÁÐÖе±Ç°º¬ÓÐ</span></p>
<p class=a><span lang=EN-US style='color:black'>&nbsp;&nbsp;&nbsp; // </span><span
style='color:black'>µÄ×Ö·û¡£ÕâÓпÉÄÜÔÚÒ»¸öÐòÁб»·Åµ½Ð´¶ÓÁÐÆÚ¼ä¶ÁÈ¡×Ö·ûÊý£¬Òò´Ë±¾º¯Êýǰһ´ÎÍ˳öʱ<span lang=EN-US>state</span></span></p>
<p class=a><span lang=EN-US style='color:black'>&nbsp;&nbsp;&nbsp; // </span><span
style='color:black'>ÓпÉÄÜÕý´¦ÓÚ´¦ÀíתÒå»ò¿ØÖÆÐòÁÐµÄÆäËû״̬ÉÏ¡£</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>580</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; currcons = tty - <u><span
style='color:blue'>tty_table</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>581</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if ((currcons&gt;=<u><span
style='color:blue'>MAX_CONSOLES</span></u>) || (currcons&lt;0))</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>582</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>panic</span></u>(<i>&quot;con_write: illegal
tty&quot;</i>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>583</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>584</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; nr = <u><span
style='color:blue'>CHARS</span></u>(tty-&gt;write_q);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ȡд¶ÓÁÐÖÐ×Ö·ûÊý¡£ÔÚ<span lang=EN-US>tty.h</span>ÎļþÖС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>585</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; while (nr--) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>586</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (tty-&gt;stopped)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>587</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>588</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>GETCH</span></u>(tty-&gt;write_q,c);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>È¡<span lang=EN-US>1</span>×Ö·ûµ½<span lang=EN-US>c</span>ÖС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>589</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (c == 24 || c == 26)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // </span>¿ØÖÆ×Ö·û<span
lang=EN-US> CAN</span>¡¢<span lang=EN-US>SUB -&nbsp; </span>È¡Ïû¡¢Ìæ»»¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>590</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>state</span></u> = ESnormal;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>591</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
switch(<u><span style='color:blue'>state</span></u>) {</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û´Óд¶ÓÁÐÖÐÈ¡³öµÄ×Ö·ûÊÇÆÕͨÏÔʾ×Ö·û´úÂ룬¾ÍÖ±½Ó´Óµ±Ç°Ó³Éä×Ö·û¼¯ÖÐÈ¡³ö¶ÔÓ¦µÄÏÔʾ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>×Ö·û£¬²¢·Åµ½µ±Ç°¹â±êËù´¦µÄÏÔʾÄÚ´æÎ»Öô¦£¬¼´Ö±½ÓÏÔʾ¸Ã×Ö·û¡£È»ºó°Ñ¹â±êλÖÃÓÒÒÆÒ»¸ö</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>×Ö·ûλÖ᣾ßÌ嵨£¬Èç¹û×Ö·û²»ÊÇ¿ØÖÆ×Ö·ûÒ²²»ÊÇÀ©Õ¹×Ö·û£¬¼´<span
lang=EN-US>(31&lt;c&lt;127)</span>£¬ÄÇô£¬Èôµ±Ç°¹â</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>±ê´¦ÔÚÐÐÄ©¶Ë»òÄ©¶ËÒÔÍ⣬Ôò½«¹â±êÒÆµ½ÏÂÐÐÍ·ÁС£²¢µ÷Õû¹â±êλÖöÔÓ¦µÄÄÚ´æÖ¸Õë<span
lang=EN-US>pos</span>¡£È»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ºó½«×Ö·û<span lang=EN-US>c</span>дµ½ÏÔʾÄÚ´æÖÐ<span
lang=EN-US>pos</span>´¦£¬²¢½«¹â±êÓÒÒÆ<span lang=EN-US>1</span>ÁУ¬Í¬Ê±Ò²½«<span lang=EN-US>pos</span>¶ÔÓ¦µØÒƶ¯<span
lang=EN-US>2</span>¸ö×Ö½Ú¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>592</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case ESnormal:</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>593</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if (c&gt;31 &amp;&amp; c&lt;127) {&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÊÇÆÕͨÏÔʾ×Ö·û¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>594</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>x</span></u>&gt;=<u><span style='color:blue'>video_num_columns</span></u>)
{&nbsp;&nbsp;&nbsp;&nbsp; // </span>Òª»»ÐУ¿</p>
<p class=a><u><span lang=EN-US style='color:blue'>595</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>x</span></u> -= <u><span style='color:blue'>video_num_columns</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>596</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>pos</span></u> -= <u><span style='color:blue'>video_size_row</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>597</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>lf</span></u>(currcons);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>598</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>599</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
__asm__(<i>&quot;movb %2,%%ah\n\t&quot;</i>&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;// </span>д×Ö·û¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>600</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;movw %%ax,%1\n\t&quot;</i></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>601</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
::<i>&quot;a&quot;</i> (<u><span style='color:blue'>translate</span></u>[c-32]),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>602</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;m&quot;</i> (*(short *)<u><span style='color:blue'>pos</span></u>),</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>603</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<i>&quot;m&quot;</i>
(<u><span style='color:blue'>attr</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>604</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
:<i>&quot;ax&quot;</i>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>605</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>pos</span></u> += 2;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>606</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>x</span></u>++;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û×Ö·û<span lang=EN-US>c</span>ÊÇתÒå×Ö·û<span
lang=EN-US>ESC</span>£¬Ôòת»»×´Ì¬<span lang=EN-US>state</span>µ½<span lang=EN-US>ESesc</span>£¨<span
lang=EN-US>637</span>ÐУ©¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>607</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
} else if (c==27)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// ESC - </span>תÒå¿ØÖÆ×Ö·û¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>608</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>state</span></u>=ESesc;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>c</span>ÊÇ»»Ðзû<span
lang=EN-US>LF(10)</span>£¬»ò´¹Ö±ÖƱí·û<span lang=EN-US>VT(11)</span>£¬»ò»»Ò³·û<span
lang=EN-US>FF(12)</span>£¬Ôò¹â±êÒÆ¶¯µ½ÏÂ<span lang=EN-US>1</span>ÐС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>609</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else if (c==10 || c==11 || c==12)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>610</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>lf</span></u>(currcons);</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>c</span>Êǻسµ·û<span
lang=EN-US>CR(13)</span>£¬Ôò½«¹â±êÒÆ¶¯µ½Í·ÁУ¨<span lang=EN-US>0</span>ÁУ©¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>611</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else if (c==13)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// CR - </span>»Ø³µ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>612</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u><span
style='color:blue'>cr</span></u>(currcons);</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>DEL(127)</span>£¬Ôò½«¹â±ê×ó±ß×Ö·û²Á³ý<span lang=EN-US>(</span>Óÿոñ×Ö·ûÌæ´ú<span
lang=EN-US>)</span>£¬²¢½«¹â±êÒÆµ½±»²Á³ýλÖá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>613</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else if (c==<u><span style='color:blue'>ERASE_CHAR</span></u>(tty))</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>614</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>del</span></u>(currcons);</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>BS(backspace,8)</span>£¬Ôò½«¹â±ê×óÒÆ<span lang=EN-US>1</span>¸ñ£¬²¢ÏàÓ¦µ÷Õû¹â±ê¶ÔÓ¦ÄÚ´æÎ»ÖÃÖ¸Õë<span
lang=EN-US>pos</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>615</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else if (c==8) {&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// BS - </span>ºóÍË¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>616</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>x</span></u>) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>617</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>x</span></u>--;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>618</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;<u><span style='color:blue'>pos</span></u> -= 2;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>619</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û×Ö·û<span lang=EN-US>c</span>ÊÇË®Æ½ÖÆ±í·û<span
lang=EN-US>HT(9)</span>£¬Ôò½«¹â±êÒÆµ½<span lang=EN-US>8</span>µÄ±¶ÊýÁÐÉÏ¡£Èô´Ëʱ¹â±êÁÐÊý³¬³öÆÁÄ»×î´ó</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÁÐÊý£¬Ôò½«¹â±êÒÆµ½ÏÂÒ»ÐÐÉÏ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>620</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
} else if (c==9) {&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// HT - </span>Ë®Æ½ÖÆ±í¡£</p>
<p class=a><u><span
lang=EN-US style='color:blue'>621</span></u><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
c</span><span lang=EN-US>=8-(<u><span style='color:blue'>x</span></u>&amp;7);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>622</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>x</span></u> += c;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>623</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>pos</span></u> += c&lt;&lt;1;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>624</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>x</span></u>&gt;<u><span style='color:blue'>video_num_columns</span></u>)
{</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>625</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>x</span></u> -= <u><span style='color:blue'>video_num_columns</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>626</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>pos</span></u> -= <u><span style='color:blue'>video_size_row</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>627</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>lf</span></u>(currcons);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>628</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><u><span
lang=EN-US style='color:blue'>629</span></u><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
c</span><span lang=EN-US>=9;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û×Ö·û<span lang=EN-US>c</span>ÊÇÏìÁå·û<span
lang=EN-US>BEL(7)</span>£¬Ôòµ÷Ó÷äÃùº¯Êý£¬ÊÇÑïÉùÆ÷·¢Éù¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>630</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
} else if (c==7)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// BEL - </span>ÏìÁå¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>631</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>sysbeep</span></u>();</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>c</span>ÊÇ¿ØÖÆ×Ö·û<span
lang=EN-US>SO</span>£¨<span lang=EN-US>14</span>£©»ò<span lang=EN-US>SI</span>£¨<span
lang=EN-US>15</span>£©£¬ÔòÏàӦѡÔñ×Ö·û¼¯<span lang=EN-US>G1</span>»ò<span lang=EN-US>G0</span>×÷ΪÏÔʾ×Ö·û¼¯¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>632</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;else if (c == 14)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// SO - </span>»»³ö£¬Ê¹ÓÃ<span lang=EN-US>G1</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>633</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>translate</span></u> = <u><span style='color:blue'>GRAF_TRANS</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>634</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else if (c == 15)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// SI - </span>»»½ø£¬Ê¹ÓÃ<span lang=EN-US>G0</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>635</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>translate</span></u> = <u><span style='color:blue'>NORM_TRANS</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>636</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹ûÔÚ<span lang=EN-US>ESnormal</span>״̬ÊÕµ½×ªÒå×Ö·û<span
lang=EN-US>ESC(0x1b = 033 = 27)</span>£¬Ôòתµ½±¾×´Ì¬´¦Àí¡£¸Ã״̬¶Ô<span lang=EN-US>C1</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÖпØÖÆ×Ö·û»òתÒå×Ö·û½øÐд¦Àí¡£´¦ÀíÍêºóĬÈϵÄ״̬½«ÊÇ<span
lang=EN-US>ESnormal</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>637</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case ESesc:</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>638</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>state</span></u> = ESnormal;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>639</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
switch (c)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>640</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
{</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>641</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'['</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// ESC [ - </span>ÊÇ<span lang=EN-US>CSI</span>ÐòÁС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>642</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>state</span></u>=ESsquare;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>643</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>644</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'E'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// ESC E - </span>¹â±êÏÂÒÆ<span lang=EN-US>1</span>ÐлØ<span lang=EN-US>0</span>ÁС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>645</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>gotoxy</span></u>(currcons,0,<u><span
style='color:blue'>y</span></u>+1);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>646</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>647</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case
<i>'M'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// ESC M - </span>¹â±êÏÂÒÆ<span lang=EN-US>1</span>ÐС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>648</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>ri</span></u>(currcons);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>649</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>650</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'D'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// ESC D - </span>¹â±êÏÂÒÆ<span lang=EN-US>1</span>ÐС£</p>
<p class=a><u><span lang=EN-US style='color:blue'>651</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u><span
style='color:blue'>lf</span></u>(currcons);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>652</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>653</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'Z'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// ESC Z - </span>É豸ÊôÐÔ²éѯ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>654</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>respond</span></u>(currcons,tty);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>655</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>656</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'7'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// ESC 7 - </span>±£´æ¹â±êλÖá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>657</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>save_cur</span></u>(currcons);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>658</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>659</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case
<i>'8'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// ESC 8 - </span>»Ö¸´±£´æµÄ¹â±êԭλÖá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>660</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>restore_cur</span></u>(currcons);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>661</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>662</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'('</i>:&nbsp; case <i>')'</i>: // ESC (</span>¡¢<span lang=EN-US>ESC )
- </span>Ñ¡Ôñ×Ö·û¼¯¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>663</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>state</span></u> =
ESsetgraph;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>664</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>665</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'P'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// ESC P - </span>ÉèÖÃÖն˲ÎÊý¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>666</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u><span
style='color:blue'>state</span></u> = ESsetterm;&nbsp; </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>667</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>668</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'#'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// ESC # - </span>ÐÞ¸ÄÕûÐÐÊôÐÔ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>669</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>state</span></u> = -1;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>670</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;break;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>671</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'c'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// ESC c - </span>¸´Î»µ½Öն˳õʼÉèÖá£</p>
<p class=a><u><span lang=EN-US style='color:blue'>672</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
tty-&gt;<u><span style='color:blue'>termios</span></u> = <u><span
style='color:blue'>DEF_TERMIOS</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>673</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>state</span></u> = <u><span style='color:blue'>restate</span></u>
= ESnormal;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>674</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u><span
style='color:blue'>checkin</span></u> = 0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>675</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>top</span></u> = 0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>676</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>bottom</span></u> = <u><span style='color:blue'>video_num_lines</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>677</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>678</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><i>/* case '&gt;':&nbsp;&nbsp; Numeric keypad */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>679</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><i>/* case '=':&nbsp;&nbsp; Appl. keypad */</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>680</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>681</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹ûÔÚ״̬<span lang=EN-US>ESesc</span>£¨ÊÇתÒå×Ö·û<span
lang=EN-US>ESC</span>£©Ê±ÊÕµ½×Ö·û<span lang=EN-US>'['</span>£¬Ôò±íÃ÷ÊÇ<span lang=EN-US>CSI</span>¿ØÖÆÐòÁУ¬ÓÚÊÇתµ½×´</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>̬<span lang=EN-US>ESsequare</span>À´´¦Àí¡£Ê×ÏȶÔ<span
lang=EN-US>ESC</span>תÒåÐòÁб£´æ²ÎÊýµÄÊý×é<span lang=EN-US>par[]</span>ÇåÁ㣬Ë÷Òý±äÁ¿<span
lang=EN-US>npar</span>Ö¸Ïò</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ê×Ï²¢ÇÒÉèÖÃÎÒÃÇ¿ªÊ¼´¦ÓÚÈ¡²ÎÊý״̬<span
lang=EN-US>ESgetpars</span>¡£Èç¹û½ÓÊÕµ½µÄ×Ö·û²»ÊÇ<span lang=EN-US>'?'</span>£¬ÔòÖ±½Óת</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>µ½×´Ì¬<span lang=EN-US>ESgetpars</span>È¥´¦Àí£¬Èô½ÓÊÕµ½µÄ×Ö·ûÊÇ<span
lang=EN-US>'?'</span>£¬ËµÃ÷Õâ¸öÐòÁÐÊÇÖÕ¶ËÉ豸˽ÓÐÐòÁУ¬ºóÃæ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>»áÓÐÒ»¸ö¹¦ÄÜ×Ö·û¡£ÓÚÊÇÈ¥¶ÁÏÂÒ»×Ö·û£¬ÔÙµ½×´Ì¬
<span lang=EN-US>ESgetpars </span>È¥´¦Àí´úÂë´¦¡£Èç¹û´Ëʱ½ÓÊÕ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>µ½µÄ×Ö·û»¹ÊÇ<span
lang=EN-US>'['</span>£¬ÄÇô±íÃ÷ÊÕµ½Á˼üÅ̹¦Äܼü·¢³öµÄÐòÁУ¬ÓÚÊÇÉèÖÃÏÂһ״̬Ϊ<span lang=EN-US>ESfunckey</span>¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>·ñÔòÖ±½Ó½øÈë<span
lang=EN-US>ESgetpars</span>״̬¼ÌÐø´¦Àí¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>682</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case ESsquare:</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>683</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
for(<u><span style='color:blue'>npar</span></u>=0;<u><span style='color:blue'>npar</span></u>&lt;<u><span
style='color:blue'>NPAR</span></u>;<u><span style='color:blue'>npar</span></u>++)&nbsp;&nbsp;&nbsp;&nbsp;
// </span>³õʼ»¯²ÎÊýÊý×é¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>684</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>par</span></u>[<u><span style='color:blue'>npar</span></u>]=0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>685</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>npar</span></u>=0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>686</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>state</span></u>=ESgetpars;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>687</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (c ==<i>'['</i>)&nbsp; <b><i>/* Function key */</i></b> // 'ESC [['</span>Êǹ¦Äܼü¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>688</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
{ <u><span style='color:blue'>state</span></u>=ESfunckey;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>689</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>690</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}&nbsp; </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>691</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>ques</span></u>=(c==<i>'?'</i>))</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>692</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¸Ã״̬±íʾÎÒÃÇ´ËʱҪ½ÓÊÕ¿ØÖÆÐòÁеIJÎÊýÖµ¡£²ÎÊýÓÃÊ®½øÖÆÊý±íʾ£¬ÎÒÃǰѽÓÊÕµ½µÄÊý×Ö×Ö</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>·ûת»»³ÉÊýÖµ²¢±£´æµ½<span
lang=EN-US>par[]</span>Êý×éÖС£Èç¹ûÊÕµ½Ò»¸ö·ÖºÅ <span lang=EN-US>';'</span>£¬Ôò»¹ÊÇά³ÖÔÚ±¾×´Ì¬£¬²¢°Ñ½Ó</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÊÕµ½µÄ²ÎÊýÖµ±£´æÔÚÊý¾Ý<span
lang=EN-US>par[]</span>ÏÂÒ»ÏîÖС£Èô²»ÊÇÊý×Ö×Ö·û»ò·ÖºÅ£¬ËµÃ÷ÒÑÈ¡µÃËùÓвÎÊý£¬ÄÇ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ô¾Í×ªÒÆµ½×´Ì¬<span
lang=EN-US>ESgotpars</span>È¥´¦Àí¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>693</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case ESgetpars:</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>694</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (c==<i>';'</i> &amp;&amp; <u><span style='color:blue'>npar</span></u>&lt;<u><span
style='color:blue'>NPAR</span></u>-1) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>695</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>npar</span></u>++;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>696</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>697</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
} else if (c&gt;=<i>'0'</i> &amp;&amp; c&lt;=<i>'9'</i>) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>698</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>par</span></u>[<u><span style='color:blue'>npar</span></u>]=10*<u><span
style='color:blue'>par</span></u>[<u><span style='color:blue'>npar</span></u>]+c-<i>'0'</i>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>699</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>700</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
} else <u><span style='color:blue'>state</span></u>=ESgotpars;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ESgotpars</span>״̬±íʾÎÒÃÇÒѾ­½ÓÊÕµ½Ò»¸öÍêÕûµÄ¿ØÖÆÐòÁС£´ËʱÎÒÃÇ¿ÉÒÔ¸ù¾Ý±¾×´Ì¬½ÓÊÕµ½µÄ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>½áβ×Ö·û¶ÔÏàÓ¦¿ØÖÆÐòÁнøÐд¦Àí¡£²»¹ýÔÚ´¦Àí֮ǰ£¬Èç¹ûÎÒÃÇÔÚ<span
lang=EN-US>ESsquare </span>״̬ÊÕµ½¹ý<span lang=EN-US>'?'</span>£¬</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>˵Ã÷Õâ¸öÐòÁÐÊÇÖÕ¶ËÉ豸˽ÓÐÐòÁС£±¾Äں˲»Ö§³Ö¶ÔÕâÖÖÐòÁеĴ¦Àí£¬ÓÚÊÇÎÒÃÇÖ±½Ó»Ö¸´µ½</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // ESnormal </span>״̬¡£·ñÔò¾ÍÈ¥Ö´ÐÐÏàÓ¦¿ØÖÆÐòÁС£´ýÐòÁд¦ÀíÍêºó¾Í°Ñ״̬»Ö¸´µ½
<span lang=EN-US>ESnormal</span>¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>701</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case ESgotpars:</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>702</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>state</span></u> = ESnormal;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>703</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>ques</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>704</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
{ <u><span style='color:blue'>ques</span></u> =0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>705</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>706</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}&nbsp; </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>707</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
switch(c) {</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>c</span>ÊÇ×Ö·û<span
lang=EN-US>'G'</span>»ò<span lang=EN-US>'`'</span>£¬Ôò<span lang=EN-US>par[]</span>ÖеÚ<span
lang=EN-US>1</span>¸ö²ÎÊý´ú±íÁкš£ÈôÁкŲ»ÎªÁ㣬Ôò½«¹â±ê×óÒÆ<span lang=EN-US>1</span>¸ñ¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>708</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'G'</i>: case <i>'`'</i>:&nbsp; // CSI Pn G -</span>¹â±êË®Æ½ÒÆ¶¯¡£</p>
<p class=a><u><span lang=EN-US style='color:blue'>709</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if
(<u><span style='color:blue'>par</span></u>[0]) <u><span style='color:blue'>par</span></u>[0]--;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>710</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>gotoxy</span></u>(currcons,<u><span
style='color:blue'>par</span></u>[0],<u><span style='color:blue'>y</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>711</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'A'</span>£¬ÔòµÚ<span lang=EN-US>1</span>¸ö²ÎÊý´ú±í¹â±êÉÏÒÆµÄÐÐÊý¡£Èô²ÎÊýΪ<span
lang=EN-US>0</span>ÔòÉÏÒÆ<span lang=EN-US>1</span>ÐС£</p>
<p class=a><a name=L712><u><span lang=EN-US style='color:blue'>712</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'A'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// CSI Pn A - </span>¹â±êÉÏÒÆ¡£</p>
<p class=a><a name=L713><u><span lang=EN-US style='color:blue'>713</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>par</span></u>[0]) <u><span style='color:blue'>par</span></u>[0]++;</span></p>
<p class=a><a name=L714><u><span lang=EN-US style='color:blue'>714</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>gotoxy</span></u>(currcons,<u><span
style='color:blue'>x</span></u>,<u><span style='color:blue'>y</span></u>-<u><span
style='color:blue'>par</span></u>[0]);</span></p>
<p class=a><a name=L715><u><span lang=EN-US style='color:blue'>715</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'B'</span>»ò<span lang=EN-US>'e'</span>£¬ÔòµÚ<span lang=EN-US>1</span>¸ö²ÎÊý´ú±í¹â±êÏÂÒÆµÄÐÐÊý¡£Èô²ÎÊýΪ<span
lang=EN-US>0</span>ÔòÏÂÒÆ<span lang=EN-US>1</span>ÐС£</p>
<p class=a><a name=L716><u><span lang=EN-US style='color:blue'>716</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'B'</i>: case <i>'e'</i>:&nbsp; // CSI Pn B - </span>¹â±êÏÂÒÆ¡£</p>
<p class=a><a name=L717><u><span lang=EN-US style='color:blue'>717</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>par</span></u>[0]) <u><span style='color:blue'>par</span></u>[0]++;</span></p>
<p class=a><a name=L718><u><span lang=EN-US style='color:blue'>718</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u><span
style='color:blue'>gotoxy</span></u>(currcons,<u><span style='color:blue'>x</span></u>,<u><span
style='color:blue'>y</span></u>+<u><span style='color:blue'>par</span></u>[0]);</span></p>
<p class=a><a name=L719><u><span lang=EN-US style='color:blue'>719</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'C'</span>»ò<span lang=EN-US>'a'</span>£¬ÔòµÚ<span lang=EN-US>1</span>¸ö²ÎÊý´ú±í¹â±êÓÒÒÆµÄ¸ñÊý¡£Èô²ÎÊýΪ<span
lang=EN-US>0</span>ÔòÓÒÒÆ<span lang=EN-US>1</span>¸ñ¡£</p>
<p class=a><a name=L720><u><span lang=EN-US style='color:blue'>720</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'C'</i>: case <i>'a'</i>:&nbsp; // CSI Pn C - </span>¹â±êÓÒÒÆ¡£</p>
<p class=a><a name=L721><u><span lang=EN-US style='color:blue'>721</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>par</span></u>[0]) <u><span style='color:blue'>par</span></u>[0]++;</span></p>
<p class=a><a name=L722><u><span lang=EN-US style='color:blue'>722</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>gotoxy</span></u>(currcons,<u><span
style='color:blue'>x</span></u>+<u><span style='color:blue'>par</span></u>[0],<u><span
style='color:blue'>y</span></u>);</span></p>
<p class=a><a name=L723><u><span lang=EN-US style='color:blue'>723</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'D'</span>£¬ÔòµÚ<span lang=EN-US>1</span>¸ö²ÎÊý´ú±í¹â±ê×óÒÆµÄ¸ñÊý¡£Èô²ÎÊýΪ<span
lang=EN-US>0</span>Ôò×óÒÆ<span lang=EN-US>1</span>¸ñ¡£</p>
<p class=a><a name=L724><u><span lang=EN-US style='color:blue'>724</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'D'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// CSI Pn D - </span>¹â±ê×óÒÆ¡£</p>
<p class=a><a name=L725><u><span lang=EN-US style='color:blue'>725</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>par</span></u>[0]) <u><span style='color:blue'>par</span></u>[0]++;</span></p>
<p class=a><a name=L726><u><span lang=EN-US style='color:blue'>726</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>gotoxy</span></u>(currcons,<u><span
style='color:blue'>x</span></u>-<u><span style='color:blue'>par</span></u>[0],<u><span
style='color:blue'>y</span></u>);</span></p>
<p class=a><a name=L727><u><span lang=EN-US style='color:blue'>727</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'E'</span>£¬ÔòµÚ<span lang=EN-US>1</span>¸ö²ÎÊý´ú±í¹â±êÏòÏÂÒÆ¶¯µÄÐÐÊý£¬²¢»Øµ½<span
lang=EN-US>0</span>ÁС£Èô²ÎÊýΪ<span lang=EN-US>0</span>ÔòÏÂÒÆ<span lang=EN-US>1</span>ÐС£</p>
<p class=a><a name=L728><u><span lang=EN-US style='color:blue'>728</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'E'</i>:&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;// CSI Pn E - </span>¹â±êÏÂÒÆ»Ø<span
lang=EN-US>0</span>ÁС£</p>
<p class=a><a name=L729><u><span lang=EN-US style='color:blue'>729</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>par</span></u>[0]) <u><span style='color:blue'>par</span></u>[0]++;</span></p>
<p class=a><a name=L730><u><span lang=EN-US style='color:blue'>730</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>gotoxy</span></u>(currcons,0,<u><span
style='color:blue'>y</span></u>+<u><span style='color:blue'>par</span></u>[0]);</span></p>
<p class=a><a name=L731><u><span lang=EN-US style='color:blue'>731</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'F'</span>£¬ÔòµÚ<span lang=EN-US>1</span>¸ö²ÎÊý´ú±í¹â±êÏòÉÏÒÆ¶¯µÄÐÐÊý£¬²¢»Øµ½<span
lang=EN-US>0</span>ÁС£Èô²ÎÊýΪ<span lang=EN-US>0</span>ÔòÉÏÒÆ<span lang=EN-US>1</span>ÐС£</p>
<p class=a><a name=L732><u><span lang=EN-US style='color:blue'>732</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'F'</i>:&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;// CSI Pn F - </span>¹â±êÉÏÒÆ»Ø<span
lang=EN-US>0</span>ÁС£</p>
<p class=a><a name=L733><u><span lang=EN-US style='color:blue'>733</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>par</span></u>[0]) <u><span style='color:blue'>par</span></u>[0]++;</span></p>
<p class=a><a name=L734><u><span lang=EN-US style='color:blue'>734</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>gotoxy</span></u>(currcons,0,<u><span
style='color:blue'>y</span></u>-<u><span style='color:blue'>par</span></u>[0]);</span></p>
<p class=a><a name=L735><u><span lang=EN-US style='color:blue'>735</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'d'</span>£¬ÔòµÚ<span lang=EN-US>1</span>¸ö²ÎÊý´ú±í¹â±êËùÐèÔÚµÄÐкţ¨´Ó<span
lang=EN-US>0</span>¼ÆÊý£©¡£</p>
<p class=a><a name=L736><u><span lang=EN-US style='color:blue'>736</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'d'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // CSI Pn d - </span>ÔÚµ±Ç°ÁÐÖÃÐÐλÖá£</p>
<p class=a><a name=L737><u><span lang=EN-US style='color:blue'>737</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>par</span></u>[0]) <u><span style='color:blue'>par</span></u>[0]--;</span></p>
<p class=a><a name=L738><u><span lang=EN-US style='color:blue'>738</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>gotoxy</span></u>(currcons,<u><span
style='color:blue'>x</span></u>,<u><span style='color:blue'>par</span></u>[0]);</span></p>
<p class=a><a name=L739><u><span lang=EN-US style='color:blue'>739</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'H'</span>»ò<span lang=EN-US>'f'</span>£¬ÔòµÚ<span lang=EN-US>1</span>¸ö²ÎÊý´ú±í¹â±êÒÆµ½µÄÐкţ¬µÚ<span
lang=EN-US>2</span>¸ö²ÎÊý´ú±í¹â±êÒÆµ½µÄÁкš£</p>
<p class=a><a name=L740><u><span lang=EN-US style='color:blue'>740</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'H'</i>: case <i>'f'</i>:&nbsp; // CSI Pn H - </span>¹â±ê¶¨Î»¡£</p>
<p class=a><a name=L741><u><span lang=EN-US style='color:blue'>741</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>par</span></u>[0]) <u><span style='color:blue'>par</span></u>[0]--;</span></p>
<p class=a><a name=L742><u><span lang=EN-US style='color:blue'>742</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>par</span></u>[1]) <u><span style='color:blue'>par</span></u>[1]--;</span></p>
<p class=a><a name=L743><u><span lang=EN-US style='color:blue'>743</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>gotoxy</span></u>(currcons,<u><span
style='color:blue'>par</span></u>[1],<u><span style='color:blue'>par</span></u>[0]);</span></p>
<p class=a><a name=L744><u><span lang=EN-US style='color:blue'>744</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û×Ö·û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'J'</span>£¬ÔòµÚ<span lang=EN-US>1</span>¸ö²ÎÊý´ú±íÒÔ¹â±êËù´¦Î»ÖÃÇåÆÁµÄ·½Ê½£º</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÐòÁУº<span lang=EN-US>'ESC
[ Ps J'</span>£¨<span lang=EN-US>Ps=0 </span>ɾ³ý¹â±êµ½ÆÁÄ»µ×¶Ë£»<span lang=EN-US>1 </span>ɾ³ýÆÁÄ»¿ªÊ¼µ½¹â±ê´¦£»<span
lang=EN-US>2 </span>ÕûÆÁɾ³ý£©¡£</p>
<p class=a><a name=L745><u><span lang=EN-US style='color:blue'>745</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'J'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // CSI Pn J - </span>ÆÁÄ»²Á³ý×Ö·û¡£</p>
<p class=a><a name=L746><u><span lang=EN-US style='color:blue'>746</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u><span
style='color:blue'>csi_J</span></u>(currcons,<u><span style='color:blue'>par</span></u>[0]);</span></p>
<p class=a><a name=L747><u><span lang=EN-US style='color:blue'>747</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û×Ö·û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'K'</span>£¬ÔòµÚÒ»¸ö²ÎÊý´ú±íÒÔ¹â±êËùÔÚλÖöÔÐÐÖÐ×Ö·û½øÐÐɾ³ý´¦ÀíµÄ·½Ê½¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>תÒåÐòÁУº<span lang=EN-US>'ESC
[ Ps K'</span>£¨<span lang=EN-US>Ps = 0 </span>ɾ³ýµ½ÐÐβ£»<span lang=EN-US>1 </span>´Ó¿ªÊ¼É¾³ý£»<span
lang=EN-US>2 </span>ÕûÐж¼É¾³ý£©¡£</p>
<p class=a><a name=L748><u><span lang=EN-US style='color:blue'>748</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'K'</i>:&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;// CSI Pn K - </span>ÐÐÄÚ²Á³ý×Ö·û¡£</p>
<p class=a><a name=L749><u><span lang=EN-US style='color:blue'>749</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>csi_K</span></u>(currcons,<u><span
style='color:blue'>par</span></u>[0]);</span></p>
<p class=a><a name=L750><u><span lang=EN-US style='color:blue'>750</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û×Ö·û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'L'</span>£¬±íʾÔÚ¹â±êλÖô¦²åÈë<span lang=EN-US>n</span>ÐУ¨¿ØÖÆÐòÁÐ <span
lang=EN-US>'ESC [ Pn L'</span>£©¡£</p>
<p class=a><a name=L751><u><span lang=EN-US style='color:blue'>751</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'L'</i>:&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;// CSI Pn L - </span>²åÈëÐС£</p>
<p class=a><a name=L752><u><span lang=EN-US style='color:blue'>752</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>csi_L</span></u>(currcons,<u><span
style='color:blue'>par</span></u>[0]);</span></p>
<p class=a><a name=L753><u><span lang=EN-US style='color:blue'>753</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û×Ö·û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'M'</span>£¬±íʾÔÚ¹â±êλÖô¦É¾³ý<span lang=EN-US>n</span>ÐУ¨¿ØÖÆÐòÁÐ <span
lang=EN-US>'ESC [ Pn M'</span>£©¡£</p>
<p class=a><a name=L754><u><span lang=EN-US style='color:blue'>754</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'M'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // CSI Pn M - </span>ɾ³ýÐС£</p>
<p class=a><a name=L755><u><span lang=EN-US style='color:blue'>755</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>csi_M</span></u>(currcons,<u><span
style='color:blue'>par</span></u>[0]);</span></p>
<p class=a><a name=L756><u><span lang=EN-US style='color:blue'>756</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û×Ö·û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'P'</span>£¬±íʾÔÚ¹â±êλÖô¦É¾³ý<span lang=EN-US>n</span>¸ö×Ö·û£¨¿ØÖÆÐòÁÐ <span
lang=EN-US>'ESC [ Pn P'</span>£©¡£</p>
<p class=a><a name=L757><u><span lang=EN-US style='color:blue'>757</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'P'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // CSI Pn P - </span>ɾ³ý×Ö·û¡£</p>
<p class=a><a name=L758><u><span lang=EN-US style='color:blue'>758</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>csi_P</span></u>(currcons,<u><span
style='color:blue'>par</span></u>[0]);</span></p>
<p class=a><a name=L759><u><span lang=EN-US style='color:blue'>759</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û×Ö·û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'@'</span>£¬±íʾÔÚ¹â±êλÖô¦²åÈë<span lang=EN-US>n</span>¸ö×Ö·û£¨¿ØÖÆÐòÁÐ <span
lang=EN-US>'ESC [ Pn @' </span>£©¡£</p>
<p class=a><a name=L760><u><span lang=EN-US style='color:blue'>760</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'@'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // CSI Pn @ - </span>²åÈë×Ö·û¡£</p>
<p class=a><a name=L761><u><span lang=EN-US style='color:blue'>761</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>csi_at</span></u>(currcons,<u><span
style='color:blue'>par</span></u>[0]);</span></p>
<p class=a><a name=L762><u><span lang=EN-US style='color:blue'>762</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û×Ö·û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'m'</span>£¬±íʾ¸Ä±ä¹â±ê´¦×Ö·ûµÄÏÔʾÊôÐÔ£¬±ÈÈç¼Ó´Ö¡¢¼ÓÏ»®Ïß¡¢ÉÁ˸¡¢·´ÏԵȡ£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>תÒåÐòÁУº<span lang=EN-US>'ESC
[ Pn m'</span>¡£<span lang=EN-US>n=0 </span>Õý³£ÏÔʾ£»<span lang=EN-US>1 </span>¼Ó´Ö£»<span
lang=EN-US>4 </span>¼ÓÏ»®Ïߣ»<span lang=EN-US>7 </span>·´ÏÔ£»<span lang=EN-US>27 </span>Õý³£ÏÔʾµÈ¡£</p>
<p class=a><a name=L763><u><span lang=EN-US style='color:blue'>763</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'m'</i>:&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;// CSI Ps m - </span>ÉèÖÃÏÔʾ×Ö·ûÊôÐÔ¡£</p>
<p class=a><a name=L764><u><span lang=EN-US style='color:blue'>764</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>csi_m</span></u>(currcons);</span></p>
<p class=a><a name=L765><u><span lang=EN-US style='color:blue'>765</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û×Ö·û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'r'</span>£¬Ôò±íʾÓÃÁ½¸ö²ÎÊýÉèÖùöÆÁµÄÆðʼÐкźÍÖÕÖ¹Ðкš£</p>
<p class=a><a name=L766><u><span lang=EN-US style='color:blue'>766</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'r'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // CSI Pn;Pn r - </span>ÉèÖùöÆÁÉÏϽ硣</p>
<p class=a><a name=L767><u><span lang=EN-US style='color:blue'>767</span></u></a><span
lang=EN-US> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if
(<u><span style='color:blue'>par</span></u>[0]) <u><span style='color:blue'>par</span></u>[0]--;</span></p>
<p class=a><a name=L768><u><span lang=EN-US style='color:blue'>768</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>par</span></u>[1]) <u><span style='color:blue'>par</span></u>[1]
= <u><span style='color:blue'>video_num_lines</span></u>;</span></p>
<p class=a><a name=L769><u><span lang=EN-US style='color:blue'>769</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>par</span></u>[0] &lt; <u><span
style='color:blue'>par</span></u>[1] &amp;&amp;</span></p>
<p class=a><a name=L770><u><span lang=EN-US style='color:blue'>770</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>par</span></u>[1] &lt;= <u><span style='color:blue'>video_num_lines</span></u>)
{</span></p>
<p class=a><a name=L771><u><span lang=EN-US style='color:blue'>771</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>top</span></u>=<u><span style='color:blue'>par</span></u>[0];</span></p>
<p class=a><a name=L772><u><span lang=EN-US style='color:blue'>772</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>bottom</span></u>=<u><span style='color:blue'>par</span></u>[1];</span></p>
<p class=a><a name=L773><u><span lang=EN-US style='color:blue'>773</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></p>
<p class=a><a name=L774><u><span lang=EN-US style='color:blue'>774</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û×Ö·û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'s'</span>£¬Ôò±íʾ±£´æµ±Ç°¹â±êËùÔÚλÖá£</p>
<p class=a><a name=L775><u><span lang=EN-US style='color:blue'>775</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'s'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // CSI s - </span>±£´æ¹â±êλÖá£</p>
<p class=a><a name=L776><u><span lang=EN-US style='color:blue'>776</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>save_cur</span></u>(currcons);</span></p>
<p class=a><a name=L777><u><span lang=EN-US style='color:blue'>777</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û×Ö·û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'u'</span>£¬Ôò±íʾ»Ö¸´¹â±êµ½Ô­±£´æµÄλÖô¦¡£</p>
<p class=a><a name=L778><u><span lang=EN-US style='color:blue'>778</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'u'</i>:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // CSI u - </span>»Ö¸´±£´æµÄ¹â±êλÖá£</p>
<p class=a><a name=L779><u><span lang=EN-US style='color:blue'>779</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>restore_cur</span></u>(currcons);</span></p>
<p class=a><a name=L780><u><span lang=EN-US style='color:blue'>780</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û×Ö·û<span lang=EN-US>c</span>ÊÇ<span
lang=EN-US>'l'</span>»ò<span lang=EN-US>'b'</span>£¬Ôò·Ö±ð±íʾÉèÖÃÆÁÄ»ºÚÆÁ¼ä¸ôʱ¼äºÍÉèÖôÖÌå×Ö·ûÏÔʾ¡£´Ëʱ²ÎÊýÊý</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>×éÖÐ<span lang=EN-US>par[1]</span>ºÍ<span
lang=EN-US>par[2]</span>ÊÇÌØÕ÷Öµ£¬ËüÃÇ·Ö±ð±ØÐëΪ<span lang=EN-US>par[1]= par[0]+13</span>£»<span
lang=EN-US>par[2]= par[0]+17</span>¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÔÚÕâ¸öÌõ¼þÏ£¬Èç¹û<span
lang=EN-US>c</span>ÊÇ×Ö·û<span lang=EN-US>'l'</span>£¬ÄÇô<span lang=EN-US>par[0]</span>ÖÐÊÇ¿ªÊ¼ºÚÆÁʱ˵ÑӳٵķÖÖÓÊý£»Èç¹û<span
lang=EN-US>c</span>ÊÇ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>×Ö·û<span lang=EN-US>'b'</span>£¬ÄÇô<span
lang=EN-US>par[0]</span>ÖÐÊÇÉèÖõĴÖÌå×Ö·ûÊôÐÔÖµ¡£</p>
<p class=a><a name=L781><u><span lang=EN-US style='color:blue'>781</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'l'</i>: <b><i>/* blank interval */</i></b></span></p>
<p class=a><a name=L782><u><span lang=EN-US style='color:blue'>782</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case <i>'b'</i>: <b><i>/* bold attribute */</i></b></span></p>
<p class=a><a name=L783><u><span lang=EN-US style='color:blue'>783</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!((<u><span style='color:blue'>npar</span></u> &gt;= 2) &amp;&amp;</span></p>
<p class=a><a name=L784><u><span lang=EN-US style='color:blue'>784</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;((<u><span
style='color:blue'>par</span></u>[1]-13) == <u><span style='color:blue'>par</span></u>[0])
&amp;&amp; </span></p>
<p class=a><a name=L785><u><span lang=EN-US style='color:blue'>785</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
((<u><span style='color:blue'>par</span></u>[2]-17) == <u><span
style='color:blue'>par</span></u>[0]))) </span></p>
<p class=a><a name=L786><u><span lang=EN-US style='color:blue'>786</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><a name=L787><u><span lang=EN-US style='color:blue'>787</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if ((c==<i>'l'</i>)&amp;&amp;(<u><span style='color:blue'>par</span></u>[0]&gt;=0)&amp;&amp;(<u><span
style='color:blue'>par</span></u>[0]&lt;=60))</span></p>
<p class=a><a name=L788><u><span lang=EN-US style='color:blue'>788</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
{&nbsp; </span></p>
<p class=a><a name=L789><u><span lang=EN-US style='color:blue'>789</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>blankinterval</span></u> = <u><span
style='color:blue'>HZ</span></u>*60*<u><span style='color:blue'>par</span></u>[0];</span></p>
<p class=a><a name=L790><u><span lang=EN-US style='color:blue'>790</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>blankcount</span></u> = <u><span style='color:blue'>blankinterval</span></u>;</span></p>
<p class=a><a name=L791><u><span lang=EN-US style='color:blue'>791</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><a name=L792><u><span lang=EN-US style='color:blue'>792</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (c==<i>'b'</i>)</span></p>
<p class=a><a name=L793><u><span lang=EN-US style='color:blue'>793</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>vc_cons</span></u>[currcons].vc_bold_attr</span></p>
<p class=a><a name=L794><u><span lang=EN-US style='color:blue'>794</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
= <u><span style='color:blue'>par</span></u>[0];</span></p>
<p class=a><a name=L795><u><span lang=EN-US style='color:blue'>795</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><a name=L796><u><span lang=EN-US style='color:blue'>796</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>״̬<span lang=EN-US>ESfunckey</span>±íʾÎÒÃǽÓÊÕµ½Á˼üÅÌÉϹ¦Äܼü·¢³öµÄÒ»¸öÐòÁС£ÎÒÃDz»ÓÃÏÔʾ¡£ÓÚÊǻָ´µ½</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Õý³£×´Ì¬<span lang=EN-US>ESnormal</span>¡£</p>
<p class=a><a name=L797><u><span lang=EN-US style='color:blue'>797</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case
ESfunckey:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>¼üÅ̹¦ÄܼüÂë¡£</p>
<p class=a><a name=L798><u><span lang=EN-US style='color:blue'>798</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>state</span></u> = ESnormal;</span></p>
<p class=a><a name=L799><u><span lang=EN-US style='color:blue'>799</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>״̬<span lang=EN-US>ESsetterm</span>±íʾ´¦ÓÚÉ豸¿ØÖÆ×Ö·û´®ÐòÁÐ״̬£¨<span
lang=EN-US>DCS</span>£©¡£´ËʱÈôÊÕµ½×Ö·û <span lang=EN-US>'S'</span>£¬Ôò»Ö¸´³õ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ʼµÄÏÔʾ×Ö·ûÊôÐÔ¡£ÈôÊÕµ½µÄ×Ö·ûÊÇ<span
lang=EN-US>'L'</span>»ò<span lang=EN-US>'l'</span>£¬Ôò¿ªÆô»ò¹Ø±ÕÕÛÐÐÏÔʾ·½Ê½¡£</p>
<p class=a><a name=L800><u><span lang=EN-US style='color:blue'>800</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case ESsetterm:&nbsp; <b><i>/* Setterm functions. */</i></b></span></p>
<p class=a><a name=L801><u><span lang=EN-US style='color:blue'>801</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>state</span></u> = ESnormal;</span></p>
<p class=a><a name=L802><u><span lang=EN-US style='color:blue'>802</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (c == <i>'S'</i>) {</span></p>
<p class=a><a name=L803><u><span lang=EN-US style='color:blue'>803</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>def_attr</span></u> = <u><span style='color:blue'>attr</span></u>;</span></p>
<p class=a><a name=L804><u><span lang=EN-US style='color:blue'>804</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u><span
style='color:blue'>video_erase_char</span></u> = (<u><span style='color:blue'>video_erase_char</span></u>&amp;0x0ff)
| </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(<u><span style='color:blue'>def_attr</span></u>&lt;&lt;8);</span></p>
<p class=a><a name=L805><u><span lang=EN-US style='color:blue'>805</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
} else if (c == <i>'L'</i>)</span></p>
<p class=a><a name=L806><u><span lang=EN-US style='color:blue'>806</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;; <b><i>/*linewrap
on*/</i></b></span></p>
<p class=a><a name=L807><u><span lang=EN-US style='color:blue'>807</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else if (c == <i>'l'</i>)</span></p>
<p class=a><a name=L808><u><span lang=EN-US style='color:blue'>808</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
; <b><i>/*linewrap off*/</i></b></span></p>
<p class=a><a name=L809><u><span lang=EN-US style='color:blue'>809</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>״̬<span lang=EN-US>ESsetgraph</span>±íʾÊÕµ½ÉèÖÃ×Ö·û¼¯×ªÒÆÐòÁÐ<span
lang=EN-US>'ESC (' </span>»ò <span lang=EN-US>'ESC )'</span>¡£ËüÃÇ·Ö±ðÓÃÓÚÖ¸¶¨<span
lang=EN-US>G0</span>ºÍ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // G1</span>ËùÓõÄ×Ö·û¼¯¡£´ËʱÈôÊÕµ½×Ö·û<span
lang=EN-US>'0'</span>£¬ÔòÑ¡ÔñͼÐÎ×Ö·û¼¯×÷Ϊ<span lang=EN-US>G0</span>ºÍ<span lang=EN-US>G1</span>£¬ÈôÊÕµ½µÄ×Ö·ûÊÇ<span
lang=EN-US>'B'</span>£¬</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÔòÑ¡ÔñÆÕͨ<span lang=EN-US>ASCII</span>×Ö·û¼¯×÷Ϊ<span
lang=EN-US>G0</span>ºÍ<span lang=EN-US>G1</span>µÄ×Ö·û¼¯¡£</p>
<p class=a><a name=L810><u><span lang=EN-US style='color:blue'>810</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
case ESsetgraph:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // 'CSI ( 0'</span>»ò<span
lang=EN-US>'CSI ( B' - </span>Ñ¡Ôñ×Ö·û¼¯¡£</p>
<p class=a><a name=L811><u><span lang=EN-US style='color:blue'>811</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>state</span></u> = ESnormal;</span></p>
<p class=a><a name=L812><u><span lang=EN-US style='color:blue'>812</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (c == <i>'0'</i>)</span></p>
<p class=a><a name=L813><u><span lang=EN-US style='color:blue'>813</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>translate</span></u> = <u><span style='color:blue'>GRAF_TRANS</span></u>;</span></p>
<p class=a><a name=L814><u><span lang=EN-US style='color:blue'>814</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else if (c == <i>'B'</i>)</span></p>
<p class=a><a name=L815><u><span lang=EN-US style='color:blue'>815</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>translate</span></u> = <u><span style='color:blue'>NORM_TRANS</span></u>;</span></p>
<p class=a><a name=L816><u><span lang=EN-US style='color:blue'>816</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break;</span></p>
<p class=a><a name=L817><u><span lang=EN-US style='color:blue'>817</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
default:</span></p>
<p class=a><a name=L818><u><span lang=EN-US style='color:blue'>818</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>state</span></u> = ESnormal;</span></p>
<p class=a><a name=L819><u><span lang=EN-US style='color:blue'>819</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><a name=L820><u><span lang=EN-US style='color:blue'>820</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><a name=L821><u><span lang=EN-US style='color:blue'>821</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>set_cursor</span></u>(currcons);&nbsp; // </span>×îºó¸ù¾ÝÉÏÃæÉèÖõĹâ±êλÖã¬ÉèÖÃÏÔʾ¿ØÖÆÆ÷Öйâ±êλÖá£</p>
<p class=a><a name=L822><u><span lang=EN-US style='color:blue'>822</span></u></a><span
lang=EN-US> }</span></p>
<p class=a><a name=L823><u><span lang=EN-US style='color:blue'>823</span></u></a><span
lang=EN-US> </span></p>
<p class=a><a name=L824><u><span lang=EN-US style='color:blue'>824</span></u></a><span
lang=EN-US> <b><i>/*</i></b></span></p>
<p class=a><a name=L825><u><span lang=EN-US style='color:blue'>825</span></u></a><span
lang=EN-US> <b><i>&nbsp;*&nbsp; void con_init(void);</i></b></span></p>
<p class=a><a name=L826><u><span lang=EN-US style='color:blue'>826</span></u></a><span
lang=EN-US> <b><i>&nbsp;*</i></b></span></p>
<p class=a><a name=L827><u><span lang=EN-US style='color:blue'>827</span></u></a><span
lang=EN-US> <b><i>&nbsp;* This routine initalizes console interrupts, and does
nothing</i></b></span></p>
<p class=a><a name=L828><u><span lang=EN-US style='color:blue'>828</span></u></a><span
lang=EN-US> <b><i>&nbsp;* else. If you want the screen to clear, call tty_write
with</i></b></span></p>
<p class=a><a name=L829><u><span lang=EN-US style='color:blue'>829</span></u></a><span
lang=EN-US> <b><i>&nbsp;* the appropriate escape-sequece.</i></b></span></p>
<p class=a><a name=L830><u><span lang=EN-US style='color:blue'>830</span></u></a><span
lang=EN-US> <b><i>&nbsp;*</i></b></span></p>
<p class=a><a name=L831><u><span lang=EN-US style='color:blue'>831</span></u></a><span
lang=EN-US> <b><i>&nbsp;* Reads the information preserved by setup.s to
determine the current display</i></b></span></p>
<p class=a><a name=L832><u><span lang=EN-US style='color:blue'>832</span></u></a><span
lang=EN-US> <b><i>&nbsp;* type and sets everything accordingly.</i></b></span></p>
<p class=a><a name=L833><u><span lang=EN-US style='color:blue'>833</span></u></a><span
lang=EN-US> <b><i>&nbsp;*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; /*</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * void con_init(void);</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>Õâ¸ö×Ó³ÌÐò³õʼ»¯¿ØÖÆÌ¨Öжϣ¬ÆäËûʲô¶¼²»×ö¡£Èç¹ûÄãÏëÈÃÆÁÄ»¸É¾»µÄ»°£¬¾ÍʹÓÃ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>Êʵ±µÄתÒå×Ö·ûÐòÁе÷ÓÃ<span
lang=EN-US>tty_write()</span>º¯Êý¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; *</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>¶ÁÈ¡<span
lang=EN-US>setup.s</span>³ÌÐò±£´æµÄÐÅÏ¢£¬ÓÃÒÔÈ·¶¨µ±Ç°ÏÔʾÆ÷ÀàÐÍ£¬²¢ÇÒÉèÖÃËùÓÐÏà¹Ø²ÎÊý¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; */</span></p>
<p class=a><a name=L834><u><span lang=EN-US style='color:blue'>834</span></u></a><span
lang=EN-US> void <u><span style='color:blue'>con_init</span></u>(void)</span></p>
<p class=a><a name=L835><u><span lang=EN-US style='color:blue'>835</span></u></a><span
lang=EN-US> {</span></p>
<p class=a><a name=L836><u><span lang=EN-US style='color:blue'>836</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; register unsigned
char a;</span></p>
<p class=a><a name=L837><u><span lang=EN-US style='color:blue'>837</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; char *display_desc
= <i>&quot;????&quot;</i>;</span></p>
<p class=a><a name=L838><u><span lang=EN-US style='color:blue'>838</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; char *display_ptr;</span></p>
<p class=a><a name=L839><u><span lang=EN-US style='color:blue'>839</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int currcons = 0;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>µ±Ç°ÐéÄâ¿ØÖÆÌ¨ºÅ¡£</p>
<p class=a><a name=L840><u><span lang=EN-US style='color:blue'>840</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; long base, <u><span
style='color:blue'>term</span></u>;</span></p>
<p class=a><a name=L841><u><span lang=EN-US style='color:blue'>841</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; long video_memory;</span></p>
<p class=a><a name=L842><u><span lang=EN-US style='color:blue'>842</span></u></a><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ê×Ïȸù¾Ý<span lang=EN-US>setup.s</span>³ÌÐòÈ¡µÃµÄϵͳӲ¼þ²ÎÊý£¨¼û±¾³ÌÐòµÚ<span
lang=EN-US>60--68</span>ÐУ©³õʼ»¯¼¸¸ö±¾º¯ÊýרÓÃ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>µÄ¾²Ì¬È«¾Ö±äÁ¿¡£</p>
<p class=a><a name=L843><u><span lang=EN-US style='color:blue'>843</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>video_num_columns</span></u> = <u><span style='color:blue'>ORIG_VIDEO_COLS</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÏÔʾÆ÷ÏÔʾ×Ö·ûÁÐÊý¡£</p>
<p class=a><a name=L844><u><span lang=EN-US style='color:blue'>844</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>video_size_row</span></u> = <u><span style='color:blue'>video_num_columns</span></u>
* 2;&nbsp;&nbsp; // </span>ÿÐÐ×Ö·ûÐèʹÓõÄ×Ö½ÚÊý¡£</p>
<p class=a><a name=L845><u><span lang=EN-US style='color:blue'>845</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>video_num_lines</span></u> = <u><span style='color:blue'>ORIG_VIDEO_LINES</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÏÔʾÆ÷ÏÔʾ×Ö·ûÐÐÊý¡£</p>
<p class=a><a name=L846><u><span lang=EN-US style='color:blue'>846</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>video_page</span></u> = <u><span style='color:blue'>ORIG_VIDEO_PAGE</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>µ±Ç°ÏÔÊ¾Ò³Ãæ¡£</p>
<p class=a><a name=L847><u><span lang=EN-US style='color:blue'>847</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>video_erase_char</span></u> = 0x0720;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>²Á³ý×Ö·û£¨<span lang=EN-US>0x20</span>ÊÇ×Ö·û£¬<span lang=EN-US>0x07</span>ÊôÐÔ£©¡£</p>
<p class=a><a name=L848><u><span lang=EN-US style='color:blue'>848</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>blankcount</span></u> = <u><span style='color:blue'>blankinterval</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ĬÈÏµÄºÚÆÁ¼ä¸ôʱ¼ä£¨àÖàªÊý£©¡£</p>
<p class=a><a name=L849><u><span lang=EN-US style='color:blue'>849</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>È»ºó¸ù¾ÝÏÔʾģʽÊǵ¥É«»¹ÊDzÊÉ«·Ö±ðÉèÖÃËùʹÓõÄÏÔʾÄÚ´æÆðʼλÖÃÒÔ¼°ÏÔʾ¼Ä´æÆ÷Ë÷Òý</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¶Ë¿ÚºÅºÍÏÔʾ¼Ä´æÆ÷Êý¾Ý¶Ë¿ÚºÅ¡£Èç¹û»ñµÃµÄ<span
lang=EN-US>BIOS</span>ÏÔʾ·½Ê½µÈÓÚ<span lang=EN-US>7</span>£¬Ôò±íʾÊǵ¥É«ÏÔʾ¿¨¡£</p>
<p class=a><a name=L850><u><span lang=EN-US style='color:blue'>850</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (<u><span
style='color:blue'>ORIG_VIDEO_MODE</span></u> == 7)&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b><i>/*
Is this a monochrome display? */</i></b></span></p>
<p class=a><a name=L851><u><span lang=EN-US style='color:blue'>851</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</span></p>
<p class=a><a name=L852><u><span lang=EN-US style='color:blue'>852</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_mem_base</span></u> = 0xb0000;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖõ¥ÏÔÓ³ÏñÄÚ´æÆðʼµØÖ·¡£</p>
<p class=a><a name=L853><u><span lang=EN-US style='color:blue'>853</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_port_reg</span></u> = 0x3b4;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖõ¥ÏÔË÷Òý¼Ä´æÆ÷¶Ë¿Ú¡£</p>
<p class=a><a name=L854><u><span lang=EN-US style='color:blue'>854</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_port_val</span></u> = 0x3b5;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖõ¥ÏÔÊý¾Ý¼Ä´æÆ÷¶Ë¿Ú¡£</p>
<p class=a><span lang=EN-US>&nbsp;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>½Ó×ÅÎÒÃǸù¾Ý<span
lang=EN-US>BIOS</span>ÖжÏ<span lang=EN-US>int 0x10</span>¹¦ÄÜ<span lang=EN-US>0x12</span>»ñµÃµÄÏÔʾģʽÐÅÏ¢£¬ÅжÏÏÔʾ¿¨Êǵ¥É«ÏÔʾ¿¨</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>»¹ÊDzÊÉ«ÏÔʾ¿¨¡£ÈôʹÓÃÉÏÊöÖжϹ¦ÄÜËùµÃµ½µÄ<span
lang=EN-US>BX</span>¼Ä´æÆ÷·µ»ØÖµ²»µÈÓÚ<span lang=EN-US>0x10</span>£¬Ôò˵Ã÷ÊÇ<span lang=EN-US>EGA</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¿¨¡£Òò´Ë³õʼÏÔʾÀàÐÍΪ<span
lang=EN-US> EGA</span>µ¥É«¡£ËäÈ»<span lang=EN-US> EGA </span>¿¨ÉÏÓн϶àÏÔʾÄڴ棬µ«ÔÚµ¥É«·½Ê½ÏÂ×î¶àÖ»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÄÜÀûÓõØÖ··¶Î§ÔÚ<span
lang=EN-US>0xb0000--0xb8000</span>Ö®¼äµÄÏÔʾÄڴ档ȻºóÖÃÏÔʾÆ÷ÃèÊö×Ö·û´®Îª<span lang=EN-US>'</span><span
lang=EN-US>EGAm'</span>¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²¢»áÔÚϵͳ³õʼ»¯ÆÚ¼äÏÔʾÆ÷ÃèÊö×Ö·û´®½«ÏÔʾÔÚÆÁÄ»µÄÓÒÉϽǡ£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>×¢Ò⣬ÕâÀïʹÓÃÁË<span
lang=EN-US>bx</span>ÔÚµ÷ÓÃÖжÏ<span lang=EN-US>int 0x10</span>ǰºóÊÇ·ñ±»¸Ä±äµÄ·½·¨À´ÅжϿ¨µÄÀàÐÍ¡£Èô<span
lang=EN-US>BL</span>ÔÚ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Öжϵ÷ÓúóÖµ±»¸Ä±ä£¬±íʾÏÔʾ¿¨Ö§³Ö<span
lang=EN-US>Ah=12h</span>¹¦Äܵ÷Óã¬ÊÇ<span lang=EN-US>EGA</span>»òºóÍÆ³öÀ´µÄ<span
lang=EN-US>VGA</span>µÈÀàÐ͵Ä</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÏÔʾ¿¨¡£ÈôÖжϵ÷Ó÷µ»ØÖµÎ´±ä£¬±íʾÏÔʾ¿¨²»Ö§³ÖÕâ¸ö¹¦ÄÜ£¬Ôò˵Ã÷ÊÇÒ»°ãµ¥É«ÏÔʾ¿¨¡£</p>
<p class=a><a name=L855><u><span lang=EN-US style='color:blue'>855</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if ((<u><span style='color:blue'>ORIG_VIDEO_EGA_BX</span></u> &amp; 0xff) !=
0x10)</span></p>
<p class=a><a name=L856><u><span lang=EN-US style='color:blue'>856</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
{</span></p>
<p class=a><a name=L857><u><span lang=EN-US style='color:blue'>857</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_type</span></u> = <u><span style='color:blue'>VIDEO_TYPE_EGAM</span></u>;&nbsp;
// </span>ÉèÖÃÏÔʾÀàÐÍ£¨<span lang=EN-US>EGA</span>µ¥É«£©¡£</p>
<p class=a><a name=L858><u><span lang=EN-US style='color:blue'>858</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_mem_term</span></u> = 0xb8000;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖÃÏÔʾÄÚ´æÄ©¶ËµØÖ·¡£</p>
<p class=a><a name=L859><u><span lang=EN-US style='color:blue'>859</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
display_desc = <i>&quot;EGAm&quot;</i>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖÃÏÔʾÃèÊö×Ö·û´®¡£</p>
<p class=a><a name=L860><u><span lang=EN-US style='color:blue'>860</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹û<span lang=EN-US>BX</span>¼Ä´æÆ÷µÄÖµµÈÓÚ<span
lang=EN-US>0x10</span>£¬Ôò˵Ã÷Êǵ¥É«ÏÔʾ¿¨<span lang=EN-US>MDA</span>£¬½öÓÐ<span lang=EN-US>8KB</span>ÏÔʾÄÚ´æ¡£</p>
<p class=a><a name=L861><u><span lang=EN-US style='color:blue'>861</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else</span></p>
<p class=a><a name=L862><u><span lang=EN-US style='color:blue'>862</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
{</span></p>
<p class=a><a name=L863><u><span lang=EN-US style='color:blue'>863</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_type</span></u> = <u><span style='color:blue'>VIDEO_TYPE_MDA</span></u>;&nbsp;&nbsp;
// </span>ÉèÖÃÏÔʾÀàÐÍ<span lang=EN-US>(MDA</span>µ¥É«<span lang=EN-US>)</span>¡£</p>
<p class=a><a name=L864><u><span lang=EN-US style='color:blue'>864</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_mem_term</span></u> = 0xb2000;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖÃÏÔʾÄÚ´æÄ©¶ËµØÖ·¡£</p>
<p class=a><a name=L865><u><span lang=EN-US style='color:blue'>865</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
display_desc = <i>&quot;*MDA&quot;</i>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖÃÏÔʾÃèÊö×Ö·û´®¡£</p>
<p class=a><a name=L866><u><span lang=EN-US style='color:blue'>866</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><a name=L867><u><span lang=EN-US style='color:blue'>867</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹ûÏÔʾ·½Ê½²»Îª<span
lang=EN-US>7</span>£¬ËµÃ÷ÊDzÊÉ«ÏÔʾ¿¨¡£´ËʱÎı¾·½Ê½ÏÂËùÓÃÏÔʾÄÚ´æÆðʼµØÖ·Îª<span lang=EN-US>0xb8000</span>£»</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÏÔʾ¿ØÖÆË÷Òý¼Ä´æÆ÷¶Ë¿ÚµØÖ·Îª <span
lang=EN-US>0x3d4</span>£»Êý¾Ý¼Ä´æÆ÷¶Ë¿ÚµØÖ·Îª <span lang=EN-US>0x3d5</span>¡£</p>
<p class=a><a name=L868><u><span lang=EN-US style='color:blue'>868</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><i>/* If not, it is color. */</i></b></span></p>
<p class=a><a name=L869><u><span lang=EN-US style='color:blue'>869</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</span></p>
<p class=a><a name=L870><u><span lang=EN-US style='color:blue'>870</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>can_do_colour</span></u> = 1;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖòÊÉ«ÏÔʾ±êÖ¾¡£</p>
<p class=a><a name=L871><u><span lang=EN-US style='color:blue'>871</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_mem_base</span></u> = 0xb8000;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÏÔʾÄÚ´æÆðʼµØÖ·¡£</p>
<p class=a><a name=L872><u><span lang=EN-US style='color:blue'>872</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_port_reg</span></u>&nbsp; = 0x3d4;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖòÊÉ«ÏÔʾË÷Òý¼Ä´æÆ÷¶Ë¿Ú¡£</p>
<p class=a><a name=L873><u><span lang=EN-US style='color:blue'>873</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_port_val</span></u>&nbsp; = 0x3d5;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;// </span>ÉèÖòÊÉ«ÏÔʾÊý¾Ý¼Ä´æÆ÷¶Ë¿Ú¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÔÙÅжÏÏÔʾ¿¨Àà±ð¡£Èç¹û<span
lang=EN-US>BX</span>²»µÈÓÚ<span lang=EN-US>0x10</span>£¬Ôò˵Ã÷ÊÇ<span lang=EN-US>EGA</span>ÏÔʾ¿¨£¬´Ëʱ¹²ÓÐ<span
lang=EN-US>32KB</span>ÏÔʾÄÚ´æ¿ÉÓÃ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>£¨<span lang=EN-US>0xb8000-0xc0000</span>£©¡£·ñÔò˵Ã÷ÊÇ<span
lang=EN-US>CGA</span>ÏÔʾ¿¨£¬Ö»ÄÜʹÓÃ<span lang=EN-US>8KB</span>ÏÔʾÄڴ棨<span lang=EN-US>0xb8000-0xba000</span>£©¡£</p>
<p class=a><a name=L874><u><span lang=EN-US style='color:blue'>874</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if ((<u><span style='color:blue'>ORIG_VIDEO_EGA_BX</span></u> &amp; 0xff) !=
0x10)</span></p>
<p class=a><a name=L875><u><span lang=EN-US style='color:blue'>875</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
{</span></p>
<p class=a><a name=L876><u><span lang=EN-US style='color:blue'>876</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_type</span></u> = <u><span style='color:blue'>VIDEO_TYPE_EGAC</span></u>;&nbsp;
// </span>ÉèÖÃÏÔʾÀàÐÍ£¨<span lang=EN-US>EGA</span>²ÊÉ«£©¡£</p>
<p class=a><a name=L877><u><span lang=EN-US style='color:blue'>877</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_mem_term</span></u> = 0xc0000;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖÃÏÔʾÄÚ´æÄ©¶ËµØÖ·¡£</p>
<p class=a><a name=L878><u><span lang=EN-US style='color:blue'>878</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
display_desc = <i>&quot;EGAc&quot;</i>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖÃÏÔʾÃèÊö×Ö·û´®¡£</p>
<p class=a><a name=L879><u><span lang=EN-US style='color:blue'>879</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><a name=L880><u><span lang=EN-US style='color:blue'>880</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else</span></p>
<p class=a><a name=L881><u><span lang=EN-US style='color:blue'>881</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{</span></p>
<p class=a><a name=L882><u><span lang=EN-US style='color:blue'>882</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_type</span></u> = <u><span style='color:blue'>VIDEO_TYPE_CGA</span></u>;&nbsp;&nbsp;
// </span>ÉèÖÃÏÔʾÀàÐÍ£¨<span lang=EN-US>CGA</span>£©¡£</p>
<p class=a><a name=L883><u><span lang=EN-US style='color:blue'>883</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_mem_term</span></u> = 0xba000;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖÃÏÔʾÄÚ´æÄ©¶ËµØÖ·¡£</p>
<p class=a><a name=L884><u><span lang=EN-US style='color:blue'>884</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
display_desc = <i>&quot;*CGA&quot;</i>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖÃÏÔʾÃèÊö×Ö·û´®¡£</p>
<p class=a><a name=L885><u><span lang=EN-US style='color:blue'>885</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><a name=L886><u><span lang=EN-US style='color:blue'>886</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÏÖÔÚÎÒÃÇÀ´¼ÆË㵱ǰÏÔʾ¿¨ÄÚ´æÉÏ¿ÉÒÔ¿ªÉèµÄÐéÄâ¿ØÖÆÌ¨ÊýÁ¿¡£Ó²¼þÔÊÐí¿ªÉèµÄÐéÄâ¿ØÖÆÌ¨Êý</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Á¿µÈÓÚ×ÜÏÔʾÄÚ´æÁ¿<span
lang=EN-US>video_memory</span>³ýÒÔÿ¸öÐéÄâ¿ØÖÆÌ¨Õ¼ÓõÄ×Ö½ÚÊý¡£Ã¿¸öÐéÄâ¿ØÖÆÌ¨Õ¼ÓõÄ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÏÔʾÄÚ´æÊýµÈÓÚÆÁÄ»ÏÔʾÐÐÊý<span
lang=EN-US> video_num_lines </span>³ËÉÏÿÐÐ×Ö·ûÕ¼ÓеÄ×Ö½ÚÊý<span lang=EN-US>video_size_row</span>¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Èç¹ûÓ²¼þÔÊÐí¿ªÉèµÄÐéÄâ¿ØÖÆÌ¨ÊýÁ¿´óÓÚϵͳÏÞ¶¨µÄ×î´óÊýÁ¿<span
lang=EN-US>MAX_CONSOLES</span>£¬¾Í°ÑÐéÄâ¿ØÖÆÌ¨</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÊýÁ¿ÉèÖÃΪ<span lang=EN-US>MAX_CONSOLES</span>¡£ÈôÕâÑù¼ÆËã³öµÄÐéÄâ¿ØÖÆÌ¨ÊýÁ¿Îª<span
lang=EN-US>0</span>£¬ÔòÉèÖÃΪ<span lang=EN-US>1</span>£¨²»¿ÉÄܰɣ¡£©¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>×îºó×ÜÏÔʾÄÚ´æÊý³ýÒÔÅжϳöµÄÐéÄâ¿ØÖÆÌ¨Êý¼´µÃµ½Ã¿¸öÐéÄâ¿ØÖÆÌ¨Õ¼ÓÃÏÔʾÄÚ´æ×Ö½ÚÊý¡£</p>
<p class=a><a name=L887><u><span lang=EN-US style='color:blue'>887</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; video_memory = <u><span
style='color:blue'>video_mem_term</span></u> - <u><span style='color:blue'>video_mem_base</span></u>;</span></p>
<p class=a><a name=L888><u><span lang=EN-US style='color:blue'>888</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>NR_CONSOLES</span></u> = video_memory / (<u><span
style='color:blue'>video_num_lines</span></u> * <u><span style='color:blue'>video_size_row</span></u>);</span></p>
<p class=a><a name=L889><u><span lang=EN-US style='color:blue'>889</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (<u><span
style='color:blue'>NR_CONSOLES</span></u> &gt; <u><span style='color:blue'>MAX_CONSOLES</span></u>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// MAX_CONSOLES = 8</span>¡£</p>
<p class=a><a name=L890><u><span lang=EN-US style='color:blue'>890</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>NR_CONSOLES</span></u> = <u><span style='color:
blue'>MAX_CONSOLES</span></u>;</span></p>
<p class=a><a name=L891><u><span lang=EN-US style='color:blue'>891</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (!<u><span
style='color:blue'>NR_CONSOLES</span></u>)</span></p>
<p class=a><a name=L892><u><span lang=EN-US style='color:blue'>892</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>NR_CONSOLES</span></u> = 1;</span></p>
<p class=a><a name=L893><u><span lang=EN-US style='color:blue'>893</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; video_memory /= <u><span
style='color:blue'>NR_CONSOLES</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÿ¸öÐéÄâ¿ØÖÆÌ¨Õ¼ÓÃÏÔʾÄÚ´æ×Ö½ÚÊý¡£</p>
<p class=a><a name=L894><u><span lang=EN-US style='color:blue'>894</span></u></a><span
lang=EN-US> </span></p>
<p class=a><a name=L895><u><span lang=EN-US style='color:blue'>895</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b><i>/* Let the
user known what kind of display driver we are using */</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
/* </span>³õʼ»¯ÓÃÓÚ¹öÆÁµÄ±äÁ¿£¨Ö÷ÒªÓÃÓÚ<span lang=EN-US>EGA/VGA</span>£©<span lang=EN-US> */</span></p>
<p class=a><a name=L896><u><span lang=EN-US style='color:blue'>896</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>È»ºóÎÒÃÇÔÚÆÁÄ»µÄÓÒÉϽÇÏÔʾÃèÊö×Ö·û´®¡£²ÉÓõķ½·¨ÊÇÖ±½Ó½«×Ö·û´®Ð´µ½ÏÔʾÄÚ´æµÄÏàÓ¦</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>λÖô¦¡£Ê×ÏȽ«ÏÔʾָÕë<span
lang=EN-US>display_ptr</span>Ö¸µ½ÆÁÄ»µÚ<span lang=EN-US>1</span>ÐÐÓҶ˲î<span
lang=EN-US>4</span>¸ö×Ö·û´¦£¨Ã¿¸ö×Ö·ûÐè<span lang=EN-US>2</span>¸ö</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>×Ö½Ú£¬Òò´Ë¼õ<span
lang=EN-US>8</span>£©£¬È»ºóÑ­»·¸´ÖÆ×Ö·û´®µÄ×Ö·û£¬²¢ÇÒÿ¸´ÖÆ<span lang=EN-US>1</span>¸ö×Ö·û¶¼¿Õ¿ª<span
lang=EN-US>1</span>¸öÊôÐÔ×Ö½Ú¡£</p>
<p class=a><a name=L897><u><span lang=EN-US style='color:blue'>897</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; display_ptr =
((char *)<u><span style='color:blue'>video_mem_base</span></u>) + <u><span
style='color:blue'>video_size_row</span></u> - 8;</span></p>
<p class=a><a name=L898><u><span lang=EN-US style='color:blue'>898</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; while
(*display_desc)</span></p>
<p class=a><a name=L899><u><span lang=EN-US style='color:blue'>899</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</span></p>
<p class=a><a name=L900><u><span lang=EN-US style='color:blue'>900</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*display_ptr++ = *display_desc++;</span></p>
<p class=a><a name=L901><u><span lang=EN-US style='color:blue'>901</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
display_ptr++;</span></p>
<p class=a><a name=L902><u><span lang=EN-US style='color:blue'>902</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><a name=L903><u><span lang=EN-US style='color:blue'>903</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></p>
<p class=a><a name=L904><u><span lang=EN-US style='color:blue'>904</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b><i>/* Initialize
the variables used for scrolling (mostly EGA/VGA) */</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
/* </span>³õʼ»¯ÓÃÓÚ¹öÆÁµÄ±äÁ¿<span lang=EN-US>(</span>Ö÷ÒªÓÃÓÚ<span lang=EN-US>EGA/VGA) */</span></p>
<p class=a><a name=L905><u><span lang=EN-US style='color:blue'>905</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>×¢Ò⣬´Ëʱµ±Ç°ÐéÄâ¿ØÖÆÌ¨ºÅ<span
lang=EN-US>currcons</span>Òѱ»³õʼ»¯Î»<span lang=EN-US>0</span>¡£Òò´ËÏÂÃæÊµ¼ÊÉÏÊdzõʼ»¯<span
lang=EN-US>0</span>ºÅÐéÄâ¿Ø</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÖÆÌ¨µÄ½á¹¹<span lang=EN-US>vc_cons[0]</span>ÖеÄËùÓÐ×Ö¶ÎÖµ¡£ÀýÈ磬ÕâÀï·ûºÅ<span
lang=EN-US>origin</span>ÔÚÇ°ÃæµÚ<span lang=EN-US>115</span>ÐÐÉÏÒѱ»¶¨ÒåΪ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // vc_cons[0].vc_origin</span>¡£ÏÂÃæÊ×ÏÈÉèÖÃ<span
lang=EN-US>0</span>ºÅ¿ØÖÆÌ¨µÄĬÈϹöÆÁ¿ªÊ¼ÄÚ´æÎ»ÖÃ<span lang=EN-US> video_mem_start</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ºÍĬÈϹöÆÁÄ©ÐÐÄÚ´æÎ»Öã¬Êµ¼ÊÉÏËüÃÇÒ²¾ÍÊÇ<span
lang=EN-US>0</span>ºÅ¿ØÖÆÌ¨Õ¼ÓõIJ¿·ÖÏÔʾÄÚ´æÇøÓò¡£È»ºó³õʼ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÉèÖÃ<span lang=EN-US>0</span>ºÅÐéÄâ¿ØÖÆÌ¨µÄÆäËûÊôÐԺͱêÖ¾Öµ¡£</p>
<p class=a><a name=L906><u><span lang=EN-US style='color:blue'>906</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; base = <u><span
style='color:blue'>origin</span></u> = <u><span style='color:blue'>video_mem_start</span></u>
= <u><span style='color:blue'>video_mem_base</span></u>;&nbsp; // </span>ĬÈϹöÆÁ¿ªÊ¼ÄÚ´æÎ»Öá£</p>
<p class=a><a name=L907><u><span lang=EN-US style='color:blue'>907</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>term</span></u> = <u><span style='color:blue'>video_mem_end</span></u>
= base + video_memory;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // 0</span>ºÅÆÁÄ»ÄÚ´æÄ©¶ËλÖá£</p>
<p class=a><a name=L908><u><span lang=EN-US style='color:blue'>908</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>scr_end</span></u> = <u><span style='color:blue'>video_mem_start</span></u>
+ <u><span style='color:blue'>video_num_lines</span></u> * <u><span
style='color:blue'>video_size_row</span></u>; // </span>¹öÆÁÄ©¶ËλÖá£</p>
<p class=a><a name=L909><u><span lang=EN-US style='color:blue'>909</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>top</span></u>&nbsp;&nbsp;&nbsp;&nbsp; = 0;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>³õʼÉèÖùö¶¯Ê±¶¥ÐÐÐкź͵×ÐÐÐкš£ </p>
<p class=a><a name=L910><u><span lang=EN-US style='color:blue'>910</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>bottom</span></u>&nbsp; = <u><span style='color:blue'>video_num_lines</span></u>;</span></p>
<p class=a><a name=L911><u><span lang=EN-US style='color:blue'>911</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>attr</span></u> = 0x07;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>³õʼÉèÖÃÏÔʾ×Ö·ûÊôÐÔ£¨ºÚµ×°××Ö£©¡£</p>
<p class=a><a name=L912><u><span lang=EN-US style='color:blue'>912</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>def_attr</span></u> = 0x07;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖÃĬÈÏÏÔʾ×Ö·ûÊôÐÔ¡£</p>
<p class=a><a name=L913><u><span lang=EN-US style='color:blue'>913</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>restate</span></u> = <u><span style='color:blue'>state</span></u>
= ESnormal;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>³õʼ»¯×ªÒåÐòÁвÙ×÷µÄµ±Ç°ºÍÏÂһ״̬¡£</p>
<p class=a><a name=L914><u><span lang=EN-US style='color:blue'>914</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>checkin</span></u> = 0;</span></p>
<p class=a><a name=L915><u><span lang=EN-US style='color:blue'>915</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>ques</span></u> = 0;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÊÕµ½ÎʺÅ×Ö·û±êÖ¾¡£</p>
<p class=a><a name=L916><u><span lang=EN-US style='color:blue'>916</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>iscolor</span></u> = 0;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>²ÊÉ«ÏÔʾ±êÖ¾¡£</p>
<p class=a><a name=L917><u><span lang=EN-US style='color:blue'>917</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>translate</span></u> = <u><span style='color:blue'>NORM_TRANS</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ʹÓõÄ×Ö·û¼¯£¨ÆÕͨ<span lang=EN-US>ASCII</span>Âë±í£©¡£</p>
<p class=a><a name=L918><u><span lang=EN-US style='color:blue'>918</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>vc_cons</span></u>[0].vc_bold_attr = -1;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>´ÖÌå×Ö·ûÊôÐÔ±êÖ¾£¨<span lang=EN-US>-1</span>±íʾ²»Óã©¡£</p>
<p class=a><a name=L919><u><span lang=EN-US style='color:blue'>919</span></u></a><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÔÚÉèÖÃÁË<span lang=EN-US>0</span>ºÅ¿ØÖÆÌ¨µ±Ç°¹â±êËùÔÚλÖú͹â±ê¶ÔÓ¦µÄÄÚ´æÎ»ÖÃ<span
lang=EN-US>pos</span>ºó£¬ÎÒÃÇÑ­»·ÉèÖÃÆäÓàµÄ¼¸</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¸öÐéÄâ¿ØÖÆÌ¨½á¹¹µÄ²ÎÊýÖµ¡£³ýÁ˸÷×ÔÕ¼ÓõÄÏÔʾÄڴ濪ʼºÍ½áÊøÎ»Öò»Í¬£¬ËüÃǵijõʼֵ»ù</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>±¾É϶¼Óë<span lang=EN-US>0</span>ºÅ¿ØÖÆÌ¨Ïàͬ¡£</p>
<p class=a><a name=L920><u><span lang=EN-US style='color:blue'>920</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>gotoxy</span></u>(currcons,<u><span style='color:blue'>ORIG_X</span></u>,<u><span
style='color:blue'>ORIG_Y</span></u>);</span></p>
<p class=a><a name=L921><u><span lang=EN-US style='color:blue'>921</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for (currcons = 1;
currcons&lt;<u><span style='color:blue'>NR_CONSOLES</span></u>; currcons++) {</span></p>
<p class=a><a name=L922><u><span lang=EN-US style='color:blue'>922</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>vc_cons</span></u>[currcons] = <u><span
style='color:blue'>vc_cons</span></u>[0];&nbsp;&nbsp;&nbsp;&nbsp; // </span>¸´ÖÆ<span
lang=EN-US>0</span>ºÅ½á¹¹µÄ²ÎÊý¡£</p>
<p class=a><a name=L923><u><span lang=EN-US style='color:blue'>923</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>origin</span></u> = <u><span style='color:blue'>video_mem_start</span></u>
= (base += video_memory);</span></p>
<p class=a><a name=L924><u><span lang=EN-US style='color:blue'>924</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>scr_end</span></u> = <u><span style='color:blue'>origin</span></u>
+ <u><span style='color:blue'>video_num_lines</span></u> * <u><span
style='color:blue'>video_size_row</span></u>;</span></p>
<p class=a><a name=L925><u><span lang=EN-US style='color:blue'>925</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>video_mem_end</span></u> = (<u><span
style='color:blue'>term</span></u> += video_memory);</span></p>
<p class=a><a name=L926><u><span lang=EN-US style='color:blue'>926</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>gotoxy</span></u>(currcons,0,0);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>¹â±ê¶¼³õʼ»¯ÔÚÆÁÄ»×óÉϽÇλÖá£</p>
<p class=a><a name=L927><u><span lang=EN-US style='color:blue'>927</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>×îºóÉèÖõ±Ç°Ç°Ì¨¿ØÖÆÌ¨µÄÆÁĻԭµã£¨×óÉϽǣ©Î»ÖúÍÏÔʾ¿ØÖÆÆ÷Öйâ±êÏÔʾλÖ㬲¢ÉèÖüü</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÅÌÖжÏ<span lang=EN-US>0x21</span>ÏÝÚåÃÅÃèÊö·û£¨<span
lang=EN-US>&amp;keyboard_interrupt</span>ÊǼüÅÌÖжϴ¦Àí¹ý³ÌµØÖ·£©¡£È»ºóÈ¡ÏûÖжÏ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¿ØÖÆÐ¾Æ¬<span
lang=EN-US>8259A</span><span lang=EN-US> </span>ÖжԼüÅÌÖÐ¶ÏµÄÆÁ±Î£¬ÔÊÐíÏìÓ¦¼üÅÌ·¢³öµÄ <span
lang=EN-US>IRQ1 </span>ÇëÇóÐźš£×îºó¸´Î»¼üÅÌ¿Ø</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÖÆÆ÷ÒÔÔÊÐí¼üÅÌ¿ªÊ¼Õý³£¹¤×÷¡£</p>
<p class=a><a name=L928><u><span lang=EN-US style='color:blue'>928</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>update_screen</span></u>();&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>¸üÐÂǰ̨ԭµãºÍÉèÖùâ±êλÖá£</p>
<p class=a><a name=L929><u><span lang=EN-US style='color:blue'>929</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>set_trap_gate</span></u>(0x21,&amp;<u><span
style='color:blue'>keyboard_interrupt</span></u>); // </span>²Î¼û<span
lang=EN-US>system.h</span>£¬µÚ<span lang=EN-US>36</span>ÐпªÊ¼¡£</p>
<p class=a><a name=L930><u><span lang=EN-US style='color:blue'>930</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(<u><span style='color:blue'>inb_p</span></u>(0x21)&amp;0xfd,0x21);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>È¡Ïû¶Ô¼üÅÌÖÐ¶ÏµÄÆÁ±Î£¬ÔÊÐí<span lang=EN-US>IRQ1</span>¡£</p>
<p class=a><a name=L931></a><u><span
lang=EN-US style='color:blue'>931</span></u><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
a</span><span lang=EN-US>=<u><span style='color:blue'>inb_p</span></u>(0x61);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>¶ÁÈ¡¼üÅ̶˿Ú<span lang=EN-US>0x61</span>£¨<span
lang=EN-US>8255A</span>¶Ë¿Ú<span lang=EN-US>PB</span>£©¡£</p>
<p class=a><a name=L932><u><span lang=EN-US style='color:blue'>932</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(a|0x80,0x61);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖýûÖ¹¼üÅ̹¤×÷£¨Î»<span lang=EN-US>7</span>ÖÃ룩£¬</p>
<p class=a><a name=L933><u><span lang=EN-US style='color:blue'>933</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(a,0x61);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÔÙÔÊÐí¼üÅ̹¤×÷£¬ÓÃÒÔ¸´Î»¼üÅÌ¡£</p>
<p class=a><a name=L934><u><span lang=EN-US style='color:blue'>934</span></u></a><span
lang=EN-US> }</span></p>
<p class=a><a name=L935><u><span lang=EN-US style='color:blue'>935</span></u></a><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¸üе±Ç°Ç°Ì¨¿ØÖÆÌ¨¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>°Ñǰ̨¿ØÖÆÌ¨×ª»»Îª<span
lang=EN-US>fg_console</span>Ö¸¶¨µÄÐéÄâ¿ØÖÆÌ¨¡£<span lang=EN-US>fg_console</span>ÊÇÉèÖõÄǰ̨ÐéÄâ¿ØÖÆÌ¨ºÅ¡£</p>
<p class=a><a name=L936><u><span lang=EN-US style='color:blue'>936</span></u></a><span
lang=EN-US> void <u><span style='color:blue'>update_screen</span></u>(void)</span></p>
<p class=a><a name=L937><u><span lang=EN-US style='color:blue'>937</span></u></a><span
lang=EN-US> {</span></p>
<p class=a><a name=L938><u><span lang=EN-US style='color:blue'>938</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>set_origin</span></u>(<u><span style='color:blue'>fg_console</span></u>);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖùöÆÁÆðʼÏÔʾÄÚ´æµØÖ·¡£</p>
<p class=a><a name=L939><u><span lang=EN-US style='color:blue'>939</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>set_cursor</span></u>(<u><span style='color:blue'>fg_console</span></u>);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ÉèÖÃÏÔʾ¿ØÖÆÆ÷Öйâ±êÏÔʾÄÚ´æÎ»Öá£</p>
<p class=a><a name=L940><u><span lang=EN-US style='color:blue'>940</span></u></a><span
lang=EN-US> }</span></p>
<p class=a><a name=L941><u><span lang=EN-US style='color:blue'>941</span></u></a><span
lang=EN-US> </span></p>
<p class=a><a name=L942><u><span lang=EN-US style='color:blue'>942</span></u></a><span
lang=EN-US> <b><i>/* from bsd-net-2: */</i></b></span></p>
<p class=a><a name=L943><u><span lang=EN-US style='color:blue'>943</span></u></a><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>Í£Ö¹·äÃù¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¸´Î»<span
lang=EN-US>8255A</span><span lang=EN-US> PB</span>¶Ë¿ÚµÄλ<span lang=EN-US>1</span>ºÍλ<span
lang=EN-US>0</span>¡£²Î¼û<span lang=EN-US>kernel/sched.c</span>³ÌÐòºóµÄ¶¨Ê±Æ÷±à³Ì˵Ã÷¡£</p>
<p class=a><a name=L944><u><span lang=EN-US style='color:blue'>944</span></u></a><span
lang=EN-US> void <u><span style='color:blue'>sysbeepstop</span></u>(void)</span></p>
<p class=a><a name=L945><u><span lang=EN-US style='color:blue'>945</span></u></a><span
lang=EN-US> {</span></p>
<p class=a><a name=L946><u><span lang=EN-US style='color:blue'>946</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b><i>/* disable
counter 2 */</i></b>&nbsp; /* </span>½ûÖ¹¶¨Ê±Æ÷<span lang=EN-US>2 */</span></p>
<p class=a><a name=L947><u><span lang=EN-US style='color:blue'>947</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb</span></u>(<u><span style='color:blue'>inb_p</span></u>(0x61)&amp;0xFC,
0x61);</span></p>
<p class=a><a name=L948><u><span lang=EN-US style='color:blue'>948</span></u></a><span
lang=EN-US> }</span></p>
<p class=a><a name=L949><u><span lang=EN-US style='color:blue'>949</span></u></a><span
lang=EN-US> </span></p>
<p class=a><a name=L950><u><span lang=EN-US style='color:blue'>950</span></u></a><span
lang=EN-US> int <u><span style='color:blue'>beepcount</span></u> = 0;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>·äÃùʱ¼äàÖ઼ÆÊý¡£</p>
<p class=a><a name=L951><u><span lang=EN-US style='color:blue'>951</span></u></a><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¿ªÍ¨·äÃù¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // 8255A</span>оƬ<span
lang=EN-US>PB</span>¶Ë¿ÚµÄλ<span lang=EN-US>1</span>ÓÃ×÷ÑïÉùÆ÷µÄ¿ªÃÅÐźţ»Î»<span lang=EN-US>0</span>ÓÃ×÷<span
lang=EN-US>8253</span>¶¨Ê±Æ÷<span lang=EN-US>2</span>µÄÃÅÐźţ¬¸Ã¶¨Ê±</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Æ÷µÄÊä³öÂö³åËÍÍùÑïÉùÆ÷£¬×÷ΪÑïÉùÆ÷·¢ÉùµÄƵÂÊ¡£Òò´ËҪʹÑïÉùÆ÷·äÃù£¬ÐèÒªÁ½²½£ºÊ×ÏÈ¿ª</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Æô<span lang=EN-US> PB</span>¶Ë¿Ú£¨<span
lang=EN-US>0x61</span>£©Î»<span lang=EN-US>1</span>ºÍ λ<span lang=EN-US>0</span>£¨ÖÃ룩£¬È»ºóÉèÖö¨Ê±Æ÷<span
lang=EN-US>2</span>ͨµÀ·¢ËÍÒ»¶¨µÄ¶¨Ê±ÆµÂʼ´¿É¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²Î¼û<span lang=EN-US>boot/setup.s</span>³ÌÐòºó<span
lang=EN-US>8259A</span>оƬ±à³Ì·½·¨ºÍ<span lang=EN-US>kernel/sched.c</span>³ÌÐòºóµÄ¶¨Ê±Æ÷±à³Ì˵Ã÷¡£</p>
<p class=a><a name=L952><u><span lang=EN-US style='color:blue'>952</span></u></a><span
lang=EN-US> static void <u><span style='color:blue'>sysbeep</span></u>(void)</span></p>
<p class=a><a name=L953><u><span lang=EN-US style='color:blue'>953</span></u></a><span
lang=EN-US> {</span></p>
<p class=a><a name=L954><u><span lang=EN-US style='color:blue'>954</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b><i>/* enable
counter 2 */</i></b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /* </span>¿ªÆô¶¨Ê±Æ÷<span
lang=EN-US>2 */</span></p>
<p class=a><a name=L955><u><span lang=EN-US style='color:blue'>955</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(<u><span style='color:blue'>inb_p</span></u>(0x61)|3,
0x61);</span></p>
<p class=a><a name=L956><u><span lang=EN-US style='color:blue'>956</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b><i>/* set
command for counter 2, 2 byte write */</i></b>&nbsp;&nbsp;&nbsp; /* </span>ËÍÉèÖö¨Ê±Æ÷<span
lang=EN-US>2</span>ÃüÁî<span lang=EN-US> */</span></p>
<p class=a><a name=L957><u><span lang=EN-US style='color:blue'>957</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(0xB6, 0x43);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>¶¨Ê±Æ÷оƬ¿ØÖÆ×ּĴæÆ÷¶Ë¿Ú¡£</p>
<p class=a><a name=L958><u><span lang=EN-US style='color:blue'>958</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b><i>/* send 0x637
for 750 HZ */</i></b>&nbsp;&nbsp;&nbsp;&nbsp; /* </span>ÉèÖÃÆµÂÊΪ<span lang=EN-US>750HZ</span>£¬Òò´ËËͶ¨Ê±Öµ<span
lang=EN-US>0x637 */</span></p>
<p class=a><a name=L959><u><span lang=EN-US style='color:blue'>959</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb_p</span></u>(0x37, 0x42);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>ͨµÀ<span lang=EN-US>2</span>Êý¾Ý¶Ë¿Ú·Ö±ðËͼÆÊý¸ßµÍ×Ö½Ú¡£</p>
<p class=a><a name=L960><u><span lang=EN-US style='color:blue'>960</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>outb</span></u>(0x06, 0x42);</span></p>
<p class=a><a name=L961><u><span lang=EN-US style='color:blue'>961</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b><i>/* 1/8 second
*/</i></b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
/* </span>·äÃùʱ¼äΪ<span lang=EN-US>1/8</span>Ãë<span lang=EN-US> */</span></p>
<p class=a><a name=L962><u><span lang=EN-US style='color:blue'>962</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>beepcount</span></u> = <u><span style='color:blue'>HZ</span></u>/8;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></p>
<p class=a><a name=L963><u><span lang=EN-US style='color:blue'>963</span></u></a><span
lang=EN-US> }</span></p>
<p class=a><a name=L964><u><span lang=EN-US style='color:blue'>964</span></u></a><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>¿½±´ÆÁÄ»¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>°ÑÆÁÄ»ÄÚÈݸ´ÖƵ½²ÎÊýÖ¸¶¨µÄÓû§»º³åÇø<span
lang=EN-US>arg</span>ÖС£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²ÎÊý<span lang=EN-US>arg</span>ÓÐÁ½¸öÓÃ;£¬Ò»ÊÇÓÃÓÚ´«µÝ¿ØÖÆÌ¨ºÅ£¬¶þÊÇ×÷ΪÓû§»º³åÇøÖ¸Õë¡£</p>
<p class=a><a name=L965><u><span lang=EN-US style='color:blue'>965</span></u></a><span
lang=EN-US> int <u><span style='color:blue'>do_screendump</span></u>(int arg)</span></p>
<p class=a><a name=L966><u><span lang=EN-US style='color:blue'>966</span></u></a><span
lang=EN-US> {</span></p>
<p class=a><a name=L967><u><span lang=EN-US style='color:blue'>967</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; char *sptr, *<u><span
style='color:blue'>buf</span></u> = (char *)arg;</span></p>
<p class=a><a name=L968><u><span lang=EN-US style='color:blue'>968</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int currcons, l;</span></p>
<p class=a><a name=L969><u><span lang=EN-US style='color:blue'>969</span></u></a><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>º¯ÊýÊ×ÏÈÑéÖ¤Óû§ÌṩµÄ»º³åÇøÈÝÁ¿£¬Èô²»¹»Ôò½øÐÐÊʵ±À©Õ¹¡£È»ºó´ÓÆä¿ªÊ¼´¦È¡³ö¿ØÖÆÌ¨</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ºÅ<span lang=EN-US>currcons</span>¡£ÔÚÅжϿØÖÆÌ¨ºÅÓÐЧ֮ºó£¬¾Í°Ñ¸Ã¿ØÖÆÌ¨ÆÁÄ»µÄËùÓÐÄÚ´æÄÚÈݸ´ÖƵ½Óû§»º³å</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÇøÖС£</p>
<p class=a><a name=L970><u><span lang=EN-US style='color:blue'>970</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>verify_area</span></u>(<u><span style='color:blue'>buf</span></u>,<u><span
style='color:blue'>video_num_columns</span></u>*<u><span style='color:blue'>video_num_lines</span></u>);</span></p>
<p class=a><a name=L971><u><span lang=EN-US style='color:blue'>971</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; currcons = <u><span
style='color:blue'>get_fs_byte</span></u>(<u><span style='color:blue'>buf</span></u>);</span></p>
<p class=a><a name=L972><u><span lang=EN-US style='color:blue'>972</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if ((currcons&lt;1)
|| (currcons&gt;<u><span style='color:blue'>NR_CONSOLES</span></u>))</span></p>
<p class=a><a name=L973><u><span lang=EN-US style='color:blue'>973</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return -<u><span style='color:blue'>EIO</span></u>;</span></p>
<p class=a><a name=L974><u><span lang=EN-US style='color:blue'>974</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; currcons--;</span></p>
<p class=a><a name=L975><u><span lang=EN-US style='color:blue'>975</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; sptr = (char *) <u><span
style='color:blue'>origin</span></u>;</span></p>
<p class=a><a name=L976><u><span lang=EN-US style='color:blue'>976</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for (l=<u><span
style='color:blue'>video_num_lines</span></u>*<u><span style='color:blue'>video_num_columns</span></u>;
l&gt;0 ; l--)</span></p>
<p class=a><a name=L977><u><span lang=EN-US style='color:blue'>977</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>put_fs_byte</span></u>(*sptr++,<u><span
style='color:blue'>buf</span></u>++);&nbsp;&nbsp;&nbsp;&nbsp; </span></p>
<p class=a><a name=L978><u><span lang=EN-US style='color:blue'>978</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return(0);</span></p>
<p class=a><a name=L979><u><span lang=EN-US style='color:blue'>979</span></u></a><span
lang=EN-US> }</span></p>
<p class=a><a name=L980><u><span lang=EN-US style='color:blue'>980</span></u></a><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ºÚÆÁ´¦Àí¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>µ±Óû§ÔÚ<span lang=EN-US>blankInterval</span>ʱ¼ä¼ä¸ôÄÚûÓа´Èκΰ´¼üʱ¾ÍÈÃÆÁÄ»ºÚÆÁ£¬ÒÔ±£»¤ÆÁÄ»¡£</p>
<p class=a><a name=L981><u><span lang=EN-US style='color:blue'>981</span></u></a><span
lang=EN-US> void <u><span style='color:blue'>blank_screen</span></u>()</span></p>
<p class=a><a name=L982><u><span lang=EN-US style='color:blue'>982</span></u></a><span
lang=EN-US> {</span></p>
<p class=a><a name=L983><u><span lang=EN-US style='color:blue'>983</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (<u><span
style='color:blue'>video_type</span></u> != <u><span style='color:blue'>VIDEO_TYPE_EGAC</span></u>
&amp;&amp; <u><span style='color:blue'>video_type</span></u> != <u><span
style='color:blue'>VIDEO_TYPE_EGAM</span></u>)</span></p>
<p class=a><a name=L984><u><span lang=EN-US style='color:blue'>984</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><a name=L985><u><span lang=EN-US style='color:blue'>985</span></u></a><span
lang=EN-US> <b><i>/* blank here. I can't find out how to do it, though */</i></b></span></p>
<p class=a><a name=L986><u><span lang=EN-US style='color:blue'>986</span></u></a><span
lang=EN-US> }</span></p>
<p class=a><a name=L987><u><span lang=EN-US style='color:blue'>987</span></u></a><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>»Ö¸´ºÚÆÁµÄÆÁÄ»¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>µ±Óû§°´ÏÂÈκΰ´¼üʱ£¬¾Í»Ö¸´´¦ÓÚºÚÆÁ״̬µÄÆÁÄ»ÏÔʾÄÚÈÝ¡£</p>
<p class=a><a name=L988><u><span lang=EN-US style='color:blue'>988</span></u></a><span
lang=EN-US> void <u><span style='color:blue'>unblank_screen</span></u>()</span></p>
<p class=a><a name=L989><u><span lang=EN-US style='color:blue'>989</span></u></a><span
lang=EN-US> {</span></p>
<p class=a><a name=L990><u><span lang=EN-US style='color:blue'>990</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (<u><span
style='color:blue'>video_type</span></u> != <u><span style='color:blue'>VIDEO_TYPE_EGAC</span></u>
&amp;&amp; <u><span style='color:blue'>video_type</span></u> != <u><span
style='color:blue'>VIDEO_TYPE_EGAM</span></u>)</span></p>
<p class=a><a name=L991><u><span lang=EN-US style='color:blue'>991</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><a name=L992><u><span lang=EN-US style='color:blue'>992</span></u></a><span
lang=EN-US> <b><i>/* unblank here */</i></b></span></p>
<p class=a><a name=L993><u><span lang=EN-US style='color:blue'>993</span></u></a><span
lang=EN-US> }</span></p>
<p class=a><a name=L994><u><span lang=EN-US style='color:blue'>994</span></u></a><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; //// </span>¿ØÖÆÌ¨ÏÔʾº¯Êý¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¸Ãº¯Êý½öÓÃÓÚÄÚºËÏÔʾº¯Êý<span
lang=EN-US>printk()</span>£¨<span lang=EN-US>kernel/printk.c</span>£©£¬ÓÃÓÚÔÚµ±Ç°Ç°Ì¨¿ØÖÆÌ¨ÉÏÏÔʾ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÄÚºËÐÅÏ¢¡£´¦Àí·½·¨ÊÇÑ­»·È¡³ö»º³åÇøÖеÄ×Ö·û£¬²¢¸ù¾Ý×Ö·ûµÄÌØÐÔ¿ØÖƹâ±êÒÆ¶¯»òÖ±½ÓÏÔ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ʾÔÚÆÁÄ»ÉÏ¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>²ÎÊý <span lang=EN-US>b</span>ÊÇ<span
lang=EN-US>null</span>½áβµÄ×Ö·û´®»º³åÇøÖ¸Õë¡£</p>
<p class=a><a name=L995><u><span lang=EN-US style='color:blue'>995</span></u></a><span
lang=EN-US> void <u><span style='color:blue'>console_print</span></u>(const
char * b)</span></p>
<p class=a><a name=L996><u><span lang=EN-US style='color:blue'>996</span></u></a><span
lang=EN-US> {</span></p>
<p class=a><a name=L997><u><span lang=EN-US style='color:blue'>997</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int currcons = <u><span
style='color:blue'>fg_console</span></u>;</span></p>
<p class=a><a name=L998><u><span lang=EN-US style='color:blue'>998</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; char c;</span></p>
<p class=a><a name=L999><u><span lang=EN-US style='color:blue'>999</span></u></a><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ñ­»·¶ÁÈ¡»º³åÇø<span
lang=EN-US>b</span>ÖеÄ×Ö·û¡£Èç¹ûµ±Ç°×Ö·û<span lang=EN-US>c</span>ÊÇ»»Ðзû£¬Ôò¶Ô¹â±êÖ´Ðлسµ»»ÐвÙ×÷£»È»ºó</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>È¥´¦ÀíÏÂÒ»¸ö×Ö·û¡£Èç¹ûÊǻسµ·û£¬¾ÍÖ±½ÓÖ´Ðлسµ¶¯×÷¡£È»ºóÈ¥´¦ÀíÏÂÒ»¸ö×Ö·û¡£</p>
<p class=a><a name=L1000><u><span lang=EN-US style='color:blue'>1000</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; while (c = *(b++))
{</span></p>
<p class=a><a name=L1001><u><span lang=EN-US style='color:blue'>1001</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (c == 10) {</span></p>
<p class=a><a name=L1002><u><span lang=EN-US style='color:blue'>1002</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>cr</span></u>(currcons);</span></p>
<p class=a><a name=L1003><u><span lang=EN-US style='color:blue'>1003</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;<u><span style='color:blue'>lf</span></u>(currcons);</span></p>
<p class=a><a name=L1004><u><span lang=EN-US style='color:blue'>1004</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
continue;</span></p>
<p class=a><a name=L1005><u><span lang=EN-US style='color:blue'>1005</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><a name=L1006><u><span lang=EN-US style='color:blue'>1006</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (c == 13) {</span></p>
<p class=a><a name=L1007><u><span lang=EN-US style='color:blue'>1007</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>cr</span></u>(currcons);</span></p>
<p class=a><a name=L1008><u><span lang=EN-US style='color:blue'>1008</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
continue;</span></p>
<p class=a><a name=L1009><u><span lang=EN-US style='color:blue'>1009</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ÔÚ¶ÁÈ¡ÁËÒ»¸ö²»Êǻسµ»ò»»ÐÐ×Ö·ûºó£¬Èç¹û·¢ÏÖµ±Ç°¹â±êÁÐλÖÃ<span
lang=EN-US>x</span>ÒѾ­µ½´ïÆÁÄ»ÓÒÄ©¶Ë£¬ÔòÈÃ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¹â±êÕÛ·µµ½ÏÂÒ»ÐпªÊ¼´¦¡£È»ºó°Ñ×Ö·û·Åµ½¹â±êËù´¦ÏÔʾÄÚ´æÎ»Öô¦£¬¼´ÔÚÆÁÄ»ÉÏÏÔʾ³öÀ´¡£</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ôٰѹâ±êÓÒÒÆÒ»¸ñλÖã¬ÎªÏÔʾÏÂÒ»¸ö×Ö·û×÷×¼±¸¡£</p>
<p class=a><a name=L1010><u><span lang=EN-US style='color:blue'>1010</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>x</span></u>&gt;=<u><span style='color:blue'>video_num_columns</span></u>)
{</span></p>
<p class=a><a name=L1011><u><span lang=EN-US style='color:blue'>1011</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>x</span></u> -= <u><span style='color:blue'>video_num_columns</span></u>;</span></p>
<p class=a><a name=L1012><u><span lang=EN-US style='color:blue'>1012</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>pos</span></u> -= <u><span style='color:blue'>video_size_row</span></u>;</span></p>
<p class=a><a name=L1013><u><span lang=EN-US style='color:blue'>1013</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u><span
style='color:blue'>lf</span></u>(currcons);</span></p>
<p class=a><a name=L1014><u><span lang=EN-US style='color:blue'>1014</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>¼Ä´æÆ÷<span lang=EN-US>al</span>ÖÐÊÇÐèÒªÏÔʾµÄ×Ö·û£¬ÕâÀï°ÑÊôÐÔ×ֽڷŵ½<span
lang=EN-US>ah</span>ÖУ¬È»ºó°Ñ<span lang=EN-US>ax</span>ÄÚÈÝ´æ´¢µ½¹â±êÄÚ´æ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>λÖÃ<span lang=EN-US>pos</span>´¦£¬¼´ÔÚ¹â±ê´¦ÏÔʾ×Ö·û¡£</p>
<p class=a><a name=L1015><u><span lang=EN-US style='color:blue'>1015</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
__asm__(<i>&quot;movb %2,%%ah\n\t&quot;</i> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//
</span>ÊôÐÔ×ֽڷŵ½<span lang=EN-US>ah</span>ÖС£</p>
<p class=a><a name=L1016><u><span lang=EN-US style='color:blue'>1016</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;movw %%ax,%1\n\t&quot;</i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// ax</span>ÄÚÈݷŵ½<span lang=EN-US>pos</span>´¦¡£</p>
<p class=a><a name=L1017><u><span lang=EN-US style='color:blue'>1017</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
::<i>&quot;a&quot;</i> (c),</span></p>
<p class=a><a name=L1018><u><span lang=EN-US style='color:blue'>1018</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;m&quot;</i> (*(short *)<u><span style='color:blue'>pos</span></u>),</span></p>
<p class=a><a name=L1019><u><span lang=EN-US style='color:blue'>1019</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<i>&quot;m&quot;</i> (<u><span style='color:blue'>attr</span></u>)</span></p>
<p class=a><a name=L1020><u><span lang=EN-US style='color:blue'>1020</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
:<i>&quot;ax&quot;</i>);</span></p>
<p class=a><a name=L1021><u><span lang=EN-US style='color:blue'>1021</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>pos</span></u> += 2;</span></p>
<p class=a><a name=L1022><u><span lang=EN-US style='color:blue'>1022</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>x</span></u>++;</span></p>
<p class=a><a name=L1023><u><span lang=EN-US style='color:blue'>1023</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></p>
<p class=a><a name=L1024><u><span lang=EN-US style='color:blue'>1024</span></u></a><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>set_cursor</span></u>(currcons); // </span>×îºóÉèÖõĹâ±êÄÚ´æÎ»Öã¬ÉèÖÃÏÔʾ¿ØÖÆÆ÷Öйâ±êλÖá£</p>
<p class=a><a name=L1025><u><span lang=EN-US style='color:blue'>1025</span></u></a><span
lang=EN-US> }</span></p>
<p class=a><a name=L1026><u><span lang=EN-US style='color:blue'>1026</span></u></a><span
lang=EN-US> </span></p>
<div class=a align=center style='text-align:center'><span lang=EN-US>
<hr size=4 width="100%" align=center>
</span></div>
<p class=MsoNormal><span lang=EN-US>&nbsp;</span></p>
</div>
</body>
</html>