want hints about VGA

Submitted by UnTouchAble on Thu, 12/30/2004 - 17:06.

Hi All

i have some question

Could i switch between VGA modes directly using hardware wihtout any need to BIOS interrupt

if i could ,HOW ???

ofcourse i don't need a detailed explanation i'm not here to waste ur time

what i need hints ,links Or any references to help me on doing that

Regards and good luck

‹ VESA and VGA Mach64 driver started ›

Depends on card

Submitted by admin on Thu, 12/30/2004 - 19:09.

If you want more then standard VGA, it highly depends on your graphics card.

Standard VGA can be done via I/O ports. This link http://www.osdever.net/FreeVGA/vga/vga.htm provides some interesting info.

PS. What do you want it for?

Ewout

THANKS

Submitted by UnTouchAble on Thu, 12/30/2004 - 19:27.

i want to play with a protected mode OS

which created by one of my friends

of course BIOS interrupt 10h is funny but where's it in PMODE???

FREE VGA manual i try it before and follow all what it said but i always fail..

it needs more efforts.

by the way another question
is bochs a good place to test my codes which play with VGA ?

thanks alot for ur interest