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Article #1853

Colour cycling - I get flicker

#1853
From: Andrew Bromage
Date: Mon, 25 Jan 1993 00:41
15 lines
1186 bytes
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?

Andrew Bromage
------------------------------------------------------------------------- 
Andrew Bromage                |  "When the going gets wierd, the wierd 
bromage@mullauna.cs.mu.oz.au  |   turn pro"     - Dr Hunter S Thompson 
bromage@ecr.mu.oz.au          |           . <- You Are Here 
If any opinions expressed here match those of the University 
of Melbourne, I'll sue them for plagarism.
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Path: arc1-ca.pugleaf.net!sparky!uunet!munnari.oz.au!cs.mu.OZ.AU!mullauna.cs.mu.OZ.AU!bromage

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Newsgroups: rec.games.programmer
Path: arc1-ca.pugleaf.net!sparky!uunet!munnari.oz.au!cs.mu.OZ.AU!mullauna.cs.mu.OZ.AU!bromage
From: bromage@mullauna.cs.mu.OZ.AU (Andrew Bromage)
Subject: Colour cycling - I get flicker
Message-ID: <9302511.29461@mulga.cs.mu.OZ.AU>
Sender: news@cs.mu.OZ.AU
Organization: Computer Science, University of Melbourne, Australia
Date: Mon, 25 Jan 1993 00:41:16 GMT
Lines: 15