Reply-To: <arfa AT clara DOT net>
From: "Arthur" <arfa AT clara DOT net>
To: "DJGPP Mailing List" <djgpp AT delorie DOT com>
Subject: RE: Allegro and S3 trio64*
Date: Wed, 23 Sep 1998 16:49:10 +0100
Message-ID: <000101bde709$b47f3780$464d08c3@arthur>
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> I decided to trace the demo.c file since it can run smoothly on
> my trio64v+
> even when I select GFX_S3 1024*768. In my little test program I've tried
> GFX_S3, VESA2L, AUTODECECT, MODEX, etc, all failed, only the
> GFX_VGA suceeded.

Try VESA 1. You may not have a VESA 2 driver.

And post your code!

> I've also tried to copy the example programs, and modify the
> GFX_AUTODETECT
> to GFX_S3, GFX_MODEX, then recompile it. That still doesn't work.
> So when I
> saw the smooth animation of the demo I was so suprised. Even I
> intended to make
> this demo program down by selecting S3, MODEX......, It didn't
> mind. I guess
> there must be something different in handling video modes in demo
> and example
> programs.

No, you can examine the source and see. It doesn't do anything different. I
think it reverts to a "safe" video mode if the selected one fails, but It's
been a long time since I checked the source.

James Arthur
jaa AT arfa DOT clara DOT net
ICQ#15054819