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Article #1877Re: Colour cycling - I get flicker
From: Louis
Date: Tue, 26 Jan 1993 04:52
Date: Tue, 26 Jan 1993 04:52
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1257 bytes
In article <9302511.29461@mulga.cs.mu.OZ.AU>, bromage@mullauna.cs.mu.OZ.AU (Andrew Bromage) writes: > > I've got some code for cycling the VGA palette, but I have problems with > flicker. The main problem is that I can't disable interrupts during the > "rep outsb" (did I mention I was using the 286 instructions?) because I've > got music playing in the background. The result is that I get terrible flicker > over the top quarter or so of the screen. > > Does anyone know a cure for this? Try a different music library, one where you can "pole" the sound routines every retrace or so. I think GoldPlay allows this, (assuming you're playing a mod). Also, you can try and limit the number of colours that you cycle ie don't cycle the whole palette unless you really have to. good Luck. Louis
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Newsgroups: rec.games.programmer Path: arc1-ca.pugleaf.net!sparky!uunet!munnari.oz.au!newsroom.utas.edu.au!u910826@postoffice.utas.edu.au From: u910826@postoffice.utas.edu.au (Louis) Subject: Re: Colour cycling - I get flicker Message-ID: <1993Jan26.045228.5765@newsroom.utas.edu.au> Sender: news@newsroom.utas.edu.au Organization: University of Tasmania References: <9302511.29461@mulga.cs.mu.OZ.AU> Date: Tue, 26 Jan 1993 04:52:28 GMT Lines: 21