How can I write directly to the screen?

Question

I\'m a teenager who has become very interested in assembly language. I\'m trying to write a small operating system in Intel x86 assembler, and I was wondering how to write direc

Answer 1

This is not so simple. While BIOS provides INT 10h to write text to the screen, graphics differs from one adapter to the next. For example, you can find information for VGA http://www.wagemakers.be/english/doc/vga here. Some ancient SVGA adapters http://www.intel-assembler.it/portale/5/assembly-game-programming-encyclopedia/assembly-game-programming-encyclopedia.asp here.