1. CS-401 Computer Architecture & Assembly Language Programming
Lecture-23
Software Interrupts

2. Lets revise the last lecture

3. Bios interrupts and services

4. BIOS Interrupts int 0x10 Video Services int 0x13 Disk Services
int 0x14 Serial Port Services
int 0x16 Key Board Services
int 0x17 Parallel Port Services
int 0x1A Time and Date Services

5. Video Interrupt 0x10 Services
0x00 Video Mode
0x01 Set Curser Size
0x02 Set Curser Position
0x06 Scroll Screen Up
0x07 Scroll Screen Down
0x13 Write Character String

6. Key Board Interrupt Services
0x00 Read Character