From:	"Stefan Viljoen" <rylan AT intekom DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: code for changing monitor refresh rate
Date:	21 May 1999 16:37:58 GMT
Organization:	The South African Internet Exchange
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References:	<199905171023 DOT MAA02459 AT acp3bf DOT physik DOT rwth-aachen DOT de>
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To:	djgpp AT delorie DOT com
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Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de> wrote in article
<199905171023 DOT MAA02459 AT acp3bf DOT physik DOT rwth-aachen DOT de>...
> In article <373DA671 DOT 1B605C61 AT unb DOT ca> you wrote:
> > Mark Elliott wrote:
> 
> > > Does anyone know of a source for (C or ASM) code with which I can set
a
> > > custom monitor refresh rate in MSDOS.
> 
> >     I've been looking for this for a while as well.  I haven't found
> 2) There cannot possibly be a general method to do this. The basic
> thing is that the graphic card hardware has to be set up differently,
> and this means if the card vendor doesn't support you, you're most
> likely stuck. At the very least, you'ld have to write your own 100%
> hardware-specific, and *very* low-level kind of code, here. Think in
> terms of timing-critical, probably 100% undocumented port writes, or
> worse.

I agree - some modex code for real mode I tried in DJGPP just would not
work - the NASM code seemed to resolve into other opcodes and stuff that
didn't want to interface with my Trident like the real mode program the
original TASM assembly came from...


-- 
Spawned By Rylan
Rylan AT intekom DOT co DOT za
http://home.intekom.com/rylan/

Power Overwhelming

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