From: "Mark Tsui" <tsui AT netspace DOT net DOT au>
Newsgroups: comp.os.msdos.djgpp
Subject: Dirty Rectangles
Date: Fri, 9 Oct 1998 13:06:28 +1000
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

In the allegro demo game, one of the displaying method is dirty rectangles.
I have read the code quite a few times, but since I am a beginner I still
don't understand it completely, can someone explain it to me how it works.

Thanks in advance.