From: "Michael Beck" Newsgroups: comp.os.msdos.djgpp Subject: Re: VGA,PCI and Dos Extender Date: Thu, 7 Jan 1999 18:21:40 +0100 Organization: DResearch Lines: 24 Message-ID: <772qc7$17e$1@latinum.dresearch.de> References: NNTP-Posting-Host: 195.99.74.37 X-Trace: latinum.dresearch.de 915729607 1262 192.168.0.15 (7 Jan 1999 17:20:06 GMT) X-Complaints-To: postmaster AT DResearch DOT DE NNTP-Posting-Date: 7 Jan 1999 17:20:06 GMT X-Newsreader: Microsoft Outlook Express 4.72.3110.5 X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3110.3 Cache-Post-Path: eubuf61.eu.concert.net!unknown AT 194 DOT 75 DOT 26 DOT 11 X-Cache: nntpcache 2.3.2.1 (see http://www.nntpcache.org/) To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com 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