From: Martin Steuer Newsgroups: comp.os.msdos.djgpp Subject: Re: VGA DAC programming Date: 11 Jan 2003 12:06:48 GMT Organization: No Organisation Lines: 7 Message-ID: References: <10780N882 AT web2news DOT com> NNTP-Posting-Host: p3e9e6f1b.dip.t-dialin.net (62.158.111.27) X-Trace: fu-berlin.de 1042286808 19052948 62.158.111.27 (16 [142788]) User-Agent: Xnews/5.04.25 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com From looking over the code i dont see any problems. I tried it and it draws the line for me. However I didn't take the time to look up the VGA BIOS Call for line drawing you used, probably you haven't set up the regs 100% right there. Good look