From: GBeushausen AT t-online DOT de (Gunnar Beushausen)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Allegro crashes!
Date: 10 Nov 1996 20:26:18 GMT
Organization: Telekom Online Internet Gateway
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To: Jeremy Penner <pzp655 AT freenet DOT mb DOT ca>
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

Hi,
this happened to me a lot. I think you made a little mistake somewhere in 
your code, like drawing to a Bitmap that's not initialised or out of the 
clipping rectangle. It could also be that you're drawing a Bitmap onto 
the screen, that has not been cleared with clear(Bitmap); , so the Bitmap 
holds garbage Data.

Good Look,
Gunnar Beushausen