Re: PC: background scrolling using virtual screens

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#731

From: Court Demas
Date: Fri, 14 Aug 1992 15:36

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I almost forgot: It does support split-screen drawing, so you can just scroll
around the top half of it.  Double-buffering is an issue though - it would
complicate things because you would have to update tiles on both screens
at once (pain) - I don't think it's really needed.  I'll have to see once I
start  drawing sprites.

And drawing sprites is really easy - just do a normal abrash-style masked
copy, and when you're done just redraw a tile or two right on top of it.


-court
court+@cmu.edu

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Path: arc1-ca.pugleaf.net!sparky!uunet!haven.umd.edu!darwin.sura.net!mips!swrinde!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!news.sei.cmu.edu!fs7.ece.cmu.edu!crabapple.srv.cs.cmu.edu!andrew.cmu.edu!cd2a+
From: cd2a+@andrew.cmu.edu (Court Demas)
Newsgroups: rec.games.programmer
Subject: Re: PC: background scrolling using virtual screens
Message-ID: <YeWx=ay00WB78gEqBn@andrew.cmu.edu>
Date: 14 Aug 92 15:36:06 GMT
Organization: Sophomore, Math/Computer Science, Carnegie Mellon, Pittsburgh, PA
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