297 lines
17 KiB
HTML
297 lines
17 KiB
HTML
<HTML>
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<HEAD>
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<TITLE>Int 4A/AH=05h
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</TITLE>
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<META NAME="Description" CONTENT="
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Int 4A/AH=05h - TI Professional PC - KEYBOARD - INSERT CHARACTER INTO KEYBOARD BUFFER -
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AH = 05h
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BX = character code (BH=00h if ASCII character, BL=00h/BH nonzero for
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extended codes) (see #03214)
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Return: ZF set if keyboard buffer was already full
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ZF clear if keystroke inserted into buffer
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SeeAlso: AH=00h,AH=02h,AH=03h,AH=04h,AH=05h,INT 5BTI
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(Table 03214)
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Values for TI Professional PC scan/character codes:
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Scan Key Normal Shift Ctrl Alt Notes
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<h2>Int 4A/AH=05h
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<p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
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<h3><font color=#C00040>TI Professional PC - KEYBOARD - INSERT CHARACTER INTO KEYBOARD BUFFER</font></h3>
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<PRE>
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AH = 05h
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BX = character code (BH=00h if ASCII character, BL=00h/BH nonzero for
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extended codes) <a href="rb-6253.htm#Table3214" tppabs="http://www.ctyme.com/intr/rb-6253.htm#Table3214">(see #03214)</a><br>
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<p><b>Return:</b><br>ZF set if keyboard buffer was already full
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ZF clear if keystroke inserted into buffer
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</PRE>
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<p><b>See Also:</b>
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<a href="rb-6248.htm" tppabs="http://www.ctyme.com/intr/rb-6248.htm">AH=00h</a> - <a href="rb-6250.htm" tppabs="http://www.ctyme.com/intr/rb-6250.htm">AH=02h</a> - <a href="rb-6251.htm" tppabs="http://www.ctyme.com/intr/rb-6251.htm">AH=03h</a> - <a href="rb-6252.htm" tppabs="http://www.ctyme.com/intr/rb-6252.htm">AH=04h</a> - <a href
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<p>
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<a name=table3214></a>
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(Table 03214)
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Values for TI Professional PC scan/character codes:
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Scan Key Normal Shift Ctrl Alt Notes
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00h -- unused
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01h F5 3F00h 5800h 6200h 6C00h
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02h F6 4000h 5900h 6300h 6D00h
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03h F7 4100h 5A00h 6400h 6E00h
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04h F8 4200h 5B00h 6500h 6F00h
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05h F9 4300h 5C00h 6600h 7000h
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06h F10 4400h 5D00h 6700h 7100h
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07h F11 4500h 0800h 0A00h 0C00h
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08h F12 4600h 0900h 0B00h 0D00h
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09h 1 ! 0031h 0021h ---- 7800h
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0Ah 2 @ 0032h 0040h 0300h 7900h
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0Bh 3 # 0033h 0023h ---- 7A00h
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0Ch 4 $ 0034h 0024h ---- 7B00h
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0Dh 5 % 0035h 0025h ---- 7C00h
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0Eh 6 ^ 0036h 005Eh 001Eh 7D00h
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0Fh 7 & 0037h 0026h ---- 7E00h
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10h 8 * 0038h 002Ah ---- 7F00h
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11h 9 ( 0039h 0028h ---- 8000h
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12h 0 ) 0030h 0029h ---- 8100h
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13h - _ 002Dh 005Fh 001Fh 8200h
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14h = + 003Dh 002Bh ---- 8300h
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15h BACK SPACE 0008h 0008h 007Fh ----
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16h ` ~ 0060h 007Eh ---- ----
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17h NUM = 003Dh 003Dh 003Dh 8C00h
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18h NUM + 002Bh 002Bh 002Bh 8D00h
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19h NUM SPAC 0020h 0020h 0020h 8E00h
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1Ah NUM TAB 0009h 0F00h 0009h 8F00h
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1Bh NUM 1 0031h 0031h 0031h (alt-###) [Note 5]
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1Ch (unused)
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1Dh NUM 0 0030h 0030h 0030h (alt-###) [Note 5]
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1Eh NUM ENTER 000Dh 000Dh 000Dh ----
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1Fh NUM 4 0034h 0034h 0034h (alt-###) [Note 5]
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20h NUM 5 0035h 0035h 0035h (alt-###) [Note 5]
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21h NUM 9 0039h 0039h 0039h (alt-###) [Note 5]
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22h NUM - 002Dh 002Dh 002Dh ----
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23h NUM 2 0032h 0032h 0032h (alt-###) [Note 5]
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24h-26h -- unused
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27h NUM 7 0037h 0037h 0037h (alt-###) [Note 5]
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28h NUM 8 0038h 0038h 0038h (alt-###) [Note 5]
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29h NUM 6 0036h 0036h 0036h (alt-###) [Note 5]
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2Ah NUM , 002Ch 002Ch 002Ch ----
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2Bh NUM 3 0033h 0033h 0033h (alt-###) [Note 5]
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2Ch NUM . 002Eh 002Eh 002Eh ----
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2Dh PRINT 7200h [Note2] ---- ---- [Notes 1,2]
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2Eh RtArrow 4D00h 8A00h 7400h 4E00h
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2Fh INS 5200h 2800h 2900h 2A00h [Note 1]
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30h DEL 5300h 3800h 3900h 3A00h [Note 1]
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31h TAB 0009h 0F00h 0009h ----
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32h Q 0071h 0051h 0011h 1000h
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33h W 0077h 0057h 0017h 1100h
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34h E 0065h 0045h 0005h 1200h
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35h R 0072h 0052h 0012h 1300h
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36h T 0074h 0054h 0014h 1400h
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37h Y 0079h 0059h 0019h 1500h
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38h U 0075h 0055h 0015h 1600h
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39h I 0069h 0049h 0009h 1700h
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3Ah O 006Fh 004Fh 000Fh 1800h
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3Bh P 0070h 0050h 0010h 1900h
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3Ch [ { 005Bh 007Bh 001Bh ----
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3Dh ] } 005Dh 007Dh 001Dh ----
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3Eh LINE FEED 000Ah 000Ah 7500h 4F00h
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3Fh BRK/PAUS [Note3] [Note4] ---- ---- [Notes 1,3,4]
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40h UpArrow 4800h 8800h 8400h 4900h
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41h ESC 001Bh 001Bh 001Bh ----
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42h A 0061h 0041h 0001h 1E00h
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43h S 0073h 0053h 0013h 1F00h
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44h D 0064h 0044h 0004h 2000h
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45h F 0066h 0046h 0006h 2100h
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46h G 0067h 0047h 0007h 2200h
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47h H 0068h 0048h 0008h 2300h
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48h J 006Ah 004Ah 000Ah 2400h
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49h K 006Bh 004Bh 000Bh 2500h
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4Ah L 006Ch 004Ch 000Ch 2600h
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<p><b>4Bh ; :</b><br>003Bh 003Ah ---- ----
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4Ch ' " 0027h 0022h ---- ----
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4Dh RETURN 000Dh 000Dh 000Dh ----
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4Eh \ | 005Ch 007Ch 001Ch ----
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4Fh LeftArrow 4B00h 8B00h 7300h 4C00h
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50h HOME 4700h 8600h 7700h 8500h
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51h Space Bar 0020h 0020h 0020h 0020h
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52h Z 007Ah 005Ah 001Ah 2C00h
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53h X 0078h 0058h 0018h 2D00h
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54h C 0063h 0043h 0003h 2E00h
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55h V 0076h 0056h 0016h 2F00h
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56h B 0062h 0042h 0002h 3000h
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57h N 006Eh 004Eh 000Eh 3100h
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58h M 006Dh 004Dh 000Dh 3200h
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59h , < 002Ch 003Ch ---- ----
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5Ah PRINT 7200h [Note2] ---- ---- [Notes 1,2]
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5Bh . > 002Eh 003Eh ---- ----
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5Ch / ? 002Fh 003Fh ---- ----
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5Dh (unused)
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5Eh DEL 5300h 3800h 3900h 3A00h [Note 1]
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5Fh INS 5200h 2800h 2900h 2A00h [Note 1]
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60h DownArrow 5000h 8900h 7600h 5100h
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61h-63h -- unused
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64h BRK/PAUS [Note3] [Note4] ---- ---- [Notes 1,3,4]
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65h F1 3B00h 5400h 5E00h 6800h
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66h F2 3C00h 5500h 5F00h 6900h
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67h F3 3D00h 5600h 6000h 6A00h
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68h F4 3E00h 5700h 6100h 6B00h
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69h-6Fh -- unused
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</PRE>
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<p><b>Notes:</b>
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[1] four of the keys can have differing scan codes, depending on the
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<PRE>
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<p><b>actual keyboard; the BIOS accepts either scan code ("normal":</b><br>2Fh,
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<p><b>30h, 5Ah, 64h; "alternate":</b><br>2Dh,3Fh,5Eh,5Fh) for any of these keys.
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[2] Shift-Print invokes INT 5E for a screen dump; the PRTSCRN.DEV
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device driver also supports Alt-Print, Ctrl-Print, Shift-Alt-Print,
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and Shift-Ctrl-Print for dumping graphics in various permutations.
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[3] BRK/PAUS invokes INT 5C for a pause, then stuffs 0100h into the
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keyboard buffer.
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[4] Shift-BRK/PAUS invokes INT 5D for the Break, then stuffs 0000h
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into the keyboard buffer; MS-DOS hooks INT 5D to keep the 0000h from
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appearing in the keyboard buffer.
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[5] on the TI Pro, one enters an arbitrary character slightly
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<p><b>differently than on a standard PC:</b><br>Exactly three numberpad digits
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must be pressed (using leading zeros for codes less than 100), and
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the key for the requested code is inserted into the keyboard buffer
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immediately on pressing the third key. The Alt key may be released
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and re-pressed arbitrarily often between digits without affecting
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the Alt-digit-digit-digit sequence..
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Scan codes with bit 7 set are not key releases, but rather
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auto-repeated keystrokes, which the BIOS only places into the
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keyboard buffer if the buffer is empty at the time (thus avoiding
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typeahead of repeated keystrokes faster than they can be processed)
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</PRE>
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<p><b>See Also:</b>
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#00006 at INT 09
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<p>
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<b>Category: <a href="cat-044.htm" tppabs="http://www.ctyme.com/intr/cat-044.htm">
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Vendor-specific BIOS Extensions</a>
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- <a href="int-4a-1.htm" tppabs="http://www.ctyme.com/intr/int-4A.htm">
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Int 4Ah</a>
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- <a href="alpha-t.htm" tppabs="http://www.ctyme.com/intr/alpha-t.htm">
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T</a>
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<IMG SRC="affiliate_logo.gif" tppabs="http://www.google.com/affiliates/affiliate_logo.gif" border="0" ALT="Google" align="center">
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<INPUT TYPE=text name=q size=30 maxlength=255 value="">
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<INPUT type=submit name=sa VALUE="Go">
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</td></tr>
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<tr><td bgcolor="#0000cc"><IMG SRC="cleardot.gif" tppabs="http://www.google.com/images/cleardot.gif" height=1 border="0" ALT="Google"></td></tr></TABLE>
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</td></tr></table>
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</tr></td></table>
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</FORM>
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</center>
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<p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
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<!-- Bottom Link End -->
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</BODY>
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</HTML>
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