From:	dbarrett AT khaki DOT engin DOT umich DOT edu (David M Barrett)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Assembly Question
Date:	9 Oct 1996 18:07:52 GMT
Organization:	University of Michigan Engineering, Ann Arbor
Lines:	26
Message-ID:	<53gplo$9c3@srvr1.engin.umich.edu>
References:	<EmJc4JO00bk10tCco0 AT andrew DOT cmu DOT edu> <844687041 DOT 3128 DOT 0 AT firewall DOT futurenet DOT co DOT uk>
NNTP-Posting-Host:	khaki.engin.umich.edu
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Dave McNeill (dmcneill AT pne DOT co DOT uk) wrote:
: John David Doty <doty+@andrew.cmu.edu> wrote:

: >How do I get to the VGA memory in assembly?  No C- straight assembly via
: >as.  All of the examples that I've seen involve using C for at least
: >part of the setup.

: i use the following:

: 	call	__go32_conventional_mem_selector
: 	movw	%ax,%es
: 	movl	$0x000A0000,%edi

: %es:%edi can now be used to write to VGA memory.

: dave

You may want to check out the Graphics Tutorial available on 
http://www.delorie.com/djgpp; it covers everything you need.

-David :)

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 David M. Barrett :)         |   University of Michigan / Vizlab Counselor
 dbarrett AT engin DOT umich DOT edu    | http://www-personal.engin.umich.edu/~dbarrett
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