From:	"Michael Beck" <beck AT dresearch DOT de>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: VGA,PCI and Dos Extender
Date:	Thu, 7 Jan 1999 18:21:40 +0100
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Adam Meyerowitz wrote in message ...

>Maybe someone can shed some light on this.  I'm programming in a dos
>extender (Pharlap TNT RealTime) and trying to write to a PCI VGA card
>by mapping the linear frame buffer into the programs data segment.
>Basically this is what I do.


[..]
>2. Map the linear frame buffer into the program's data segment


I would bet this didn't work for some reasons. Are you really sure you map
into your programs
data segment, not the "DOS" data segment? Most DOS extender uses different
segment descriptors.
Just an idea...

--
Michael Beck,                   email: beck AT dresearch DOT de

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