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From: leo@ehviea.ine.philips.nl (Leo de Wit)
Newsgroups: comp.sys.atari.st
Subject: Re: Demos and Games are not the Same
Keywords: demo, graphics, german, games, programming
Message-ID: <815@ehviea.ine.philips.nl>
Date: 29 Jun 90 08:35:42 GMT
References: <1990Jun26.133606.4586@cunixf.cc.columbia.edu> <187@hexagon.pkmab.se> <1990Jun27.201016.27871@wam.umd.edu> <190@hexagon.pkmab.se>
Reply-To: leo@ehviea.UUCP (Leo de Wit)
Organization: Philips I&E Eindhoven
Lines: 13

In article <190@hexagon.pkmab.se> daniel@hexagon.pkmab.se (Daniel Deimert) writes:
   []
|Some techniques used in demos are very usuable when programming games,
|though.  For example -- imagine all ST games were using overscan and
|4-channel sampled sound.  This is not impossible, though the music does
|consume some cpu-time (around 12%, depending on it's maximum sample
|rate).

Uh, how do you do 4-channel sound on a 3-channel sound chip? Yes, I
understand you can quickly change pitches on a channel to simulate a
second channel, but I think this will sound awful. So how do you do it?

    Leo.