From: Chris Wahlen Newsgroups: comp.os.msdos.djgpp Subject: Re: Allegro+24bit mode Date: Mon, 23 Mar 1998 22:31:03 -0600 Organization: CyberNews Network Lines: 22 Message-ID: <35173706.6036C833@earthling.net> References: <35155D83 DOT 34A12BC6 AT teccart DOT qc DOT ca> <3515B560 DOT 16430355 AT concentric DOT net> Reply-To: nc AT earthling DOT net NNTP-Posting-Host: ftworth.tx.tnt1.7.fastlane.net Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Precedence: bulk > J-Réginald Louis wrote: > > > > when I want 24bit mode with vesa 2.0 my computer crash under windows or > > my screen start to make noise under DOS. I know I can have 24 bit mode > > (with win95 drv), but with allegro I can't. Any suggestion? > > A few of questions: > > 1. What type of video card, with how much RAM do you have? > 2. Have you tried other true-color color depths? Some cards > only support 32 bit and not 24 bit. Maybe Windows automatically > selects the correct driver for you. (This would fit with > Microsoft's "The user is a Moron" theory). > 3. Are you using SciTech Display Doctor for Vesa 2.0? If you are, > do other high-color programs work? I'm beginning to think that this may be some sort of bug in allegro's code - using handwritten VESA routines I can get to these modes, but with allegro I can't. BTW, I have a Stingray card with 2 MB RAM...