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<TITLE>Int 60
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<META NAME="Description" CONTENT="
Int 60 - TI Professional PC - SYSTEM ROM DATA AREA POINTER (NOT A VECTOR!) -
Desc: the low word of this vector contains the segment of the RAM data area
to be used by the system ROM at F400h:A000h, and the high word
contains the length of the data area (see #03263)
SeeAlso: INT 61TI Professional PC,INT 66TI Professional PC
Format of TI Professional System ROM data area:
Offset Size Description (Table 03263)
00h BYTE port 00h shadow
01h BYTE port 03h shadow
02h BYTE port 04h shadow
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<h2>Int 60
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<h3><font color=#C00040>TI Professional PC - SYSTEM ROM DATA AREA POINTER (NOT A VECTOR!)</font></h3>
<p><b>Desc:</b>
The low word of this vector contains the segment of the RAM data area
to be used by the system ROM at F400h:A000h, and the high word
contains the length of the data area <a href="rb-6434.htm#Table3263" tppabs="http://www.ctyme.com/intr/rb-6434.htm#Table3263">(see #03263)</a>
<p><b>See Also:</b>
<a href="rb-6694.htm" tppabs="http://www.ctyme.com/intr/rb-6694.htm">INT 61"TI Professional PC"</a> - <a href="rb-7302.htm" tppabs="http://www.ctyme.com/intr/rb-7302.htm">INT 66"TI Professional PC"</a>
<PRE>
<p>
Format of TI Professional System ROM data area:
<a name=table3263></a>
Offset Size Description (Table 03263)
00h BYTE port 00h shadow
01h BYTE port 03h shadow
02h BYTE port 04h shadow
03h WORD system configuration word <a href="rb-6434.htm#Table3266" tppabs="http://www.ctyme.com/intr/rb-6434.htm#Table3266">(see #03266)</a>
05h BYTE 25ms count
06h WORD offset of timing event 1 (0008h)
08h WORD (event 1) offset of timing event 2 (0010h)
0Ah BYTE (event 1) unused (FFh)
0Bh BYTE (event 1) active flag (bit 7 set if on)
0Ch WORD (event 1) count-down until end of event
0Eh WORD (event 1) event routine (in segment F400h) to call at timeout
10h WORD (event 2) offset of timing event 3 (0018h)
12h BYTE (event 2) unused (FFh)
13h BYTE (event 2) active flag (bit 7 set if on)
14h WORD (event 2) count-down until end of event
16h WORD (event 2) event routine (in segment F400h) to call at timeout
18h WORD (event 3) offset of timing event 3 (0020h)
1Ah BYTE (event 3) unused (FFh)
1Bh BYTE (event 3) active flag (bit 7 set if on)
1Ch WORD (event 3) count-down until end of event
1Eh WORD (event 3) event routine (in segment F400h) to call at timeout
20h WORD (event 4) 0000h - last event
22h BYTE (event 4) unused (FFh)
23h BYTE (event 4) active flag (bit 7 set if on)
24h WORD (event 4) count-down until end of event
26h WORD (event 4) event routine (in segment F400h) to call at timeout
28h WORD offset of start of text display within segment DE00h
2Ah WORD end of display
2Ch WORD current absolute cursor position
2Eh WORD start of current character row
30h WORD current cursor column
32h WORD cursor type and size <a href="rb-6434.htm#Table3264" tppabs="http://www.ctyme.com/intr/rb-6434.htm#Table3264">(see #03264)</a>
34h WORD start of protected status region on screen (0000h = none)
36h BYTE pop flag used by some ROM routines
00h pop registers before return
<p><b>nonzero:</b><br>Do not pop
37h BYTE unused (FFh)
38h BYTE PAUSE flag
00h off
FFh on
<p><b>39h BYTE temp:</b><br>Current attribute while moving characters on screen
3Ah WORD start of keyboard queue (next key at start+2 or 0042h if 0060h)
3Ch WORD end of keyboard queue (next key inserted at end+2 or 0042h)
3Eh BYTE number of characters in buffer
3Fh BYTE keyboard mode flags <a href="rb-6434.htm#Table3265" tppabs="http://www.ctyme.com/intr/rb-6434.htm#Table3265">(see #03265)</a>
40h BYTE Alt-digit-digit-digit accumulator
41h BYTE Alt-digit-digit-digit count of digits (mod 3)
42h 16 WORDs keyboard buffer (circular queue)
<p><b>62h 8 DWORDs Drive Interface Table pointers for floppies A:-D:</b><br>+ four others
(0000h:0000h if pointer not in use)
82h BYTE disk-error retry count (incremented on each disk error)
83h 2 BYTEs BIOS scratch space
85h 8 BYTEs current cylinder number for drives 0-7
FFh = unknown
8Dh BYTE BIOS scratch space
8Eh BYTE hard error code for last disk access
00h operation successful
8Fh 8 BYTEs save area for disk DSR parameters
97h 6 BYTEs current drive status
9Dh BYTE retry error status
9Eh BYTE BIOS scratch space
9Fh 7 BYTEs ???
A6h 2 WORDs INT 47 save area for SS,SP
AAh 2 WORDs INT 46 save area for SS,SP
AEh 2 WORDs INT 43 save area for SS,SP
B2h 2 WORDs save area for SS,SP to be restored by common intr. exit routine
B6h 24 WORDs stack for INT 47
E6h 24 WORDs stack for INT 46
116h 17 WORDs stack for INT 43
13Ah 6 BYTEs system date and time (hundredths, seconds, minutes, hours, and
WORD days since 01jan1980)
</PRE>
<p><b>Note:</b>
Timing event 1 is the disk I/O timeout, event 2 is the floppy disk
motor timeout, event 3 is the floppy disk motor spin-up time, and
event 4 is used to turn off the speaker after a delay
<PRE>
<p>
Bitfields for TI Professional PC cursor size and type:
<a name=table3264></a>
Bit(s) Description (Table 03264)
15 reserved (0)
14-13 cursor type.
00 nonblinking.
01 off.
10 slow blink.
11 fast blink
12-8 starting scan line (0-11)
7-5 reserved (0)
4-0 ending scan line (0-11)
</PRE>
<p><b>See Also:</b>
#03263
<PRE>
<p>
Bitfields for TI Professional PC keyboard mode flags:
<a name=table3265></a>
Bit(s) Description (Table 03265)
7 CapsLock was ON at last keypress
6-4 reserved (0)
3 repeat key
2 Shift was down at last keypress
1 Alt was down at last keypress
0 Ctrl was down at last keypress
</PRE>
<p><b>See Also:</b>
#03263
<PRE>
<p>
Bitfields for TI Professional System Configuration Word:
<a name=table3266></a>
Bit(s) Description (Table 03266)
<p><b>0 drive A:</b><br>Installed
<p><b>1 drive B:</b><br>Installed
<p><b>2 drive C:</b><br>Installed
<p><b>3 drive D:</b><br>Installed
<p><b>4 drive A:</b><br>Is 80-track
<p><b>5 drive A:</b><br>Is double-sided
6 60-Hz (USA,etc.) system instead of 50-Hz (Europe)
7 hard disk installed
8 serial port 1 installed
9 serial port 2 installed
10 serial port 3 installed
11 serial port 4 installed
14-12 installed graphics planes.
000 none.
001 plane A.
111 planes A, B, and C
15 clock installed
</PRE>
<p><b>See Also:</b>
#03263
<p>
<b>Category: <a href="cat-044.htm" tppabs="http://www.ctyme.com/intr/cat-044.htm">
Vendor-specific BIOS Extensions</a>
- <a href="int-60.htm" tppabs="http://www.ctyme.com/intr/int-60.htm">
Int 60h</a>
- <a href="alpha-t.htm" tppabs="http://www.ctyme.com/intr/alpha-t.htm">
T</a>
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