CS-401 Computer Architecture & Assembly Language Programming

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CS-401 Computer Architecture & Assembly Language Programming
CS-401 Computer Architecture & Assembly Language Programming
CS-401 Computer Architecture and Assembly Language Programming
CS-401 Computer Architecture & Assembly Language Programming
CS-401 Computer Architecture & Assembly Language Programming
CS-401 Computer Architecture & Assembly Language Programming
Presentation transcript:

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

Lets revise the last lecture

Bios interrupts and services

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

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

Key Board Interrupt Services 0x00 Read Character

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