From: Waldemar Schultz Newsgroups: comp.os.msdos.djgpp Subject: Re: GRX VESA driver Date: Fri, 12 Jan 2001 18:24:47 +0100 Organization: [posted via] Leibniz-Rechenzentrum, Muenchen (Germany) Lines: 19 Message-ID: <3A5F3DDF.37267B43@ma.tum.de> References: <3A5F2A19 DOT 119396F1 AT ma DOT tum DOT de> <93ndf9$l70$1 AT nnrp1 DOT deja DOT com> NNTP-Posting-Host: pcritter10.mathematik.tu-muenchen.de Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: wsc10.lrz-muenchen.de 979320288 690 131.159.69.74 (12 Jan 2001 17:24:48 GMT) X-Complaints-To: news AT lrz-muenchen DOT de NNTP-Posting-Date: 12 Jan 2001 17:24:48 GMT X-Mailer: Mozilla 4.73 [de]C-CCK-MCD DT (Win98; U) X-Accept-Language: de,en,en-US To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com Tom St Denis schrieb: > > when you switch back and forth from DOS box to Windows (Alt TAB) > > the color table / color palette using 256 GrCells is spoiled. > > i.e. not the contents of the Cells are disturbed, but their resulting color > > on the screen. > I believe windows changes the hardware palette when you switch modes. What > mode is your desktop in? sure that is the reason. I tried all the modes available on my machine. But I still wonder how Allegro programmers (and some others) avoided this problem: to get me right: I don't need switching ATL TAB, but my clients want to :( Thanks for reply. -- Gruss Waldemar Schultz. Technische Universität München, Zentrum Mathematik M1, D 80290 München Tel: +49 (0)89 2892 8226 FAX: +49 (0)89 2892 8228