Xref:	news2.mv.net comp.os.msdos.djgpp:1021
Newsgroups:	comp.os.msdos.djgpp
From:	Marc Coupar <mc AT dstn24 DOT dct DOT ac DOT uk>
Subject:	VGA mem problem
Message-ID:	<DMGo35.AL4@udcf.gla.ac.uk>
Sender:	news AT udcf DOT gla DOT ac DOT uk (News)
Organization:	University of Glasgow
Date:	Thu, 8 Feb 1996 14:25:51 GMT
Lines:	24
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

hi

I've been using djgpp v1 for a few months now and only recently tried 
some of my programs on another machine.

I've been accessing vga mem directly at address 0xd0000000 and this works 
fine on my machine.  I've also tried accessing at 0xa0000 using 

 _go32_conventional_mem_selector 

as the segment - this also works fine, but as soon as I run the code on 
another machine, the border flashes through the colours of my palette and 
nothing actually appears on screen.

If anyone knows the solution (and the cause, of course) of this problem, 
could they email me at:

 mc AT dstn24 DOT dct DOT ac DOT uk

Thanks

Marc

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