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Mail Archives: djgpp/1995/07/07/17:08:37

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From: ccsnad AT bath DOT ac DOT uk (Neil A Drage)
Subject: DPMI and graphics
Organization: Bath University Computing Services, UK
Date: Fri, 7 Jul 1995 10:49:17 GMT
Lines: 25
To: djgpp AT sun DOT soe DOT clarkson DOT edu
Dj-Gateway: from newsgroup comp.os.msdos.djgpp

OK this is probably a common question. I've looked in the
mini FAQ and I now have more Qs than As.

Anyway. If you are compiling using DJGPP with DPMI is
it still possible to write directly to the screen, using
address 0xD0000000 I mean?

If it is still possible is it recommended?

If it is not possible, how does GRX do it?

I belive you have to be in DPMI mode to get the graphics
working in a DOS box in Windows, is this right?

You see I want to write my own fast assembler routines
to access the screen for a game I am writing. I do like
the idea of writing in 32 bit flat memory and DJGPP seems
ideal.

Hope you can help. Thanks.

Neil A. Drage



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