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Article #582Re: Split screen mode: Why? (was Re: 320x400 question)
From: David M. Baggett
Date: Tue, 11 Aug 1992 20:59
Date: Tue, 11 Aug 1992 20:59
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bytor@milton.u.washington.edu writes: > The advantage comes from the extra video memory you save by not having >to allocate a second page area for the status display. So you just live with the (tiny?) amount of flicker you get by updating your score counters etc. without double buffering? OK, I'll buy that. I'm not sure that would look reasonable on an Atari; I doubt it, but I've never tried. If you say it works on a PC I'll take your word for it. >This also allows for the double buffered area to be flipped faster, >since less of it will need to be displayed. But that displaying is done by the shifter hardware and monitor, so why would split screen mode make it faster? (The monitor, of course, needs to redraw the whole screen every vertical retrace no matter what the video hardware does.) Dave Baggett dmb@wam.umd.edu
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Path: arc1-ca.pugleaf.net!sparky!uunet!dtix!darwin.sura.net!haven.umd.edu!wam.umd.edu!dmb From: dmb@wam.umd.edu (David M. Baggett) Newsgroups: rec.games.programmer Subject: Re: Split screen mode: Why? (was Re: 320x400 question) Message-ID: <1992Aug11.205954.6321@wam.umd.edu> Date: 11 Aug 92 20:59:54 GMT References: <Bsts4L.15r@news.cso.uiuc.edu> <1992Aug11.172313.26619@wam.umd.edu> <bytor.713564132@milton> Sender: usenet@wam.umd.edu (USENET News system) Organization: University of Maryland, College Park Lines: 19 Nntp-Posting-Host: rac2.wam.umd.edu