From: William Lachance <billl AT synapse DOT net>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: ALLEGRO Re: Allegro problem
Date: Thu, 05 Jun 1997 13:32:09 -0700
Organization: Synapse Internet <www.synapse.net>
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baldo AT chasque DOT apc DOT org wrote:

>         Hello, I am not Fernando Salas, I am Ivan Baldo. I have talked with
> Fernando and Fernando and I we have the same video cards (Trident Agi9440).
>         When I run your demo with de Trident driver and use Page Fliping the error
> that describes Fernando ocurs. But when I use Vesa 2.0 or Vesa 1.x the
> error disapears. When I use test.exe with de Trident driver and test the
> scroll, the screen gets noised (i dont know how to speak english very
> whell, sorry) only when I move, when stop moving the screen looks good.
>         Sorry but I am not a good programmer and I can not help changing the
> source code, but if you want, I can test the library for you.
>         I want to help, hope this already helped. If there something that can I do
> for you, please tell me!!!
>         Congratulations for the library!!! Bye!

Are you using Allegro 2.2? When I was using a trident, I did
experience this sort of problem with the older version of
the trident driver (ie: pre-2.2). Someone (can't recall
who exactly) did fix this problem for 2.2 though.

Cheers,

William Lachance
billl AT synapse DOT net