From: Sinan_Unur AT mail DOT com (A. Sinan Unur)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: DPMI problem
Date: 29 Jun 2001 08:13:33 -0700
Organization: http://groups.google.com/
Lines: 20
Message-ID: <426926da.0106290713.1e79eb2c@posting.google.com>
References: <bwS_6.65731$_T2 DOT 17269145 AT typhoon DOT tampabay DOT rr DOT com>
NNTP-Posting-Host: 128.253.251.163
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8bit
X-Trace: posting.google.com 993827614 24429 127.0.0.1 (29 Jun 2001 15:13:34 GMT)
X-Complaints-To: groups-support AT google DOT com
NNTP-Posting-Date: 29 Jun 2001 15:13:34 GMT
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

"Matt" <para AT tampabay DOT rr DOT com> wrote in message news:<bwS_6.65731$_T2 DOT 17269145 AT typhoon DOT tampabay DOT rr DOT com>...
> I have a game which accesses VGA memory (A000:0000) directly. In 16-bit
> mode, that's ok, but to get it to run under DJGPP I either have to rewrite
> the thing or map VGA memory to linear memory. There is a function to do
> that, but I can only do it with a DPMI 1.0 server.

it is really straightforward to use the farptr and movedata functions
to access video memory.

for an example, you can take a look at:

http://www.unur.com/comp/c-examples.html.

There is really no overhead to using these functions.

Sinan.

--
A. Sinan Unur
http://www.unur.com/