Projects in course Modern Microcomputer Principle and Interface Technology.
INT | FUNC | INPUT | OUTPUT | DISCRIPTION |
---|---|---|---|---|
30H | AH=0 | DX | Enable YLED7-YLED0, GLED7-GLED0 | |
31H | AH=0 | DX | Get SW16-SW0 | |
32H | AH=0 | AL | Set digital tube enabled | |
32H | AH=1 | DX | Set digital tube A3-A0 | |
32H | AH=1 | DX | Set digital tube A7-A4 | |
33H | AH=0 | AL | Read 4*4 keyboard (available when D4 is high) |
Data segment starts at 0080H