Husky MP2500 Manual page 198

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Address
INT
00..03H
00H
04..07H
01H
08..0BH
02H
0C..0FH
03H
10..13H
04H
14..17H
05H
18..1BH
06H
1C..1FH
07H
20..23H
08H
24..27H
09H
28..2BH
0AH
2C..2FH
0BH
30..33H
0CH
34..37H
0DH
38..3BH
0EH
3C..3FH
0FH
40..43H
10H
44..47H
11H
48..4BH
12H
4C..4FH
13H
50..53H
14H
54..57H
15H
58..5BH
16H
5C..5FH
17H
60..63H
18H
64..67H
19H
68..6BH
1AH
6C..6FH
1BH
70..73H
1CH
74..77H
1DH
78..7BH
1EH
7C..7FH
1FH
80..9CH
20H
..27H
1C0..1C3H
70H
1C4..1C7H
71H
1C8..1CBH
72H
176
Description
Divide by 0
Single step
NMI
Breakpoint
Arithmetic overflow
Print screen
RESERVED
FPO instruction
H/W. Time of day
H/W. Keyboard
RESERVED
H/W. COM2 port
H/W. COM1 port
H/W. Fixed disk
H/W. Diskette
H/W. Printer
Screen control
Equipment check
System memory
Disk control
Communications
Cassette control
Keyboard control
Printer
Not implemented
Bootstrap
Time of day
Ctrl-Break
Timer 'tick'
Video parameters
Diskette parameters
Graphics characters
MS-DOS services
Comms timeout
Reserved
Power on/off notify
Default vector
IRET
IRET
NMI routine. Do not alter!
IRET
IRET
BIOS print screen
IRET
IRET
BIOS timer tick routine
Key store routine
IRET
IRET
IRET
IRET
IRET
IRET
BIOS video routine
BIOS equip check routine
BIOS memory size routine
BIOS disk control routine
BIOS comms routine
BIOS extension routine
BIOS keyb'd control routine
BIOS printer routine
IRET
BIOS disk bootstrap
BIOS clock/RTC routine
IRET
IRET
BIOS video parameters
BIOS diskette parameters
Default upper 128 graphics
characters
See the MS-DOS
Programmer's Manual
IRET
IRET
H
MP2500 System Developer's Guide
USKY

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