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Mail Archives: djgpp/1995/10/02/21:06:07

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From: Charles Sandmann <sandmann AT clio DOT rice DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Linear frame buffer emulation.
Date: Mon, 02 Oct 1995 11:26:46 CDT
Organization: Rice University, Houston, Texas
Lines: 12
References: <DFtLqq DOT Ezy AT jade DOT mv DOT net>
Reply-To: sandmann AT clio DOT rice DOT edu
Nntp-Posting-Host: clio.rice.edu
To: djgpp AT sun DOT soe DOT clarkson DOT edu
Dj-Gateway: from newsgroup comp.os.msdos.djgpp

> djgpp v1.x supported some kind of linear frame buffer emulation, having 
> the videoram at 0xd000000 using paging etc... Does djgpp v2 support this ?    If not are there any __dpmi_ functions that i can use to setup

No.  V1.x doesn't support it under DPMI environments (ie windows, etc) either

> or do I have to code this all fro scratch. Perhaps someone has coded such 
> a page fault handler and would like to share his code with others ?:)

It would be virtually impossible to provide this sort of access under a
DPMI 0.9 host.  This could be done with a DPMI 1.0 host - but the only
one out there is currently 386MAX.  The source for CWSDPMI is available,
so you could add some custom extension to it for this purpose.

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