Write a TSR Program: Changing the Background Color

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SUMMARY

The discussion focuses on creating a Terminate and Stay Resident (TSR) program that alternates the screen background color between red and white every five seconds, while preserving the text displayed. Key components include intercepting the keyboard interrupt (0x09H), utilizing the video text memory address (0xB000000H), and implementing a timer interrupt. The program must be submitted in C language files, emphasizing its relevance to system programming.

PREREQUISITES
  • Understanding of TSR programming concepts
  • Proficiency in C programming language
  • Knowledge of keyboard interrupt handling
  • Familiarity with video memory manipulation
NEXT STEPS
  • Research keyboard interrupt handling in C
  • Learn about video memory addresses and their usage
  • Study timer interrupts and their implementation in system programming
  • Explore examples of TSR programs in C
USEFUL FOR

This discussion is beneficial for system programmers, C developers, and anyone interested in low-level programming techniques involving screen manipulation and interrupt handling.

bc030400412
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Write a TSR program that changes the background color of the screen to red every 5 second and then white next 5 second, And this continues until you press ‘Q’ It should not modify the text displayed on the screen.

Hint:

1_ Intercept Keyboard interrupt (0x09H)
2_ Use video text memory address 0xB000000H
3_ Use timer interrupt.

Note: submit .C files only.
 
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i need System programming

hii
i need the assign of system programming. if u done it so pleasez send me. i m waiting ur reply.

life_fast@hotmail.com
Allah Hafiz.
 

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