From:	qballlives AT aol DOT com (QBallLives)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: my program crashes
Date:	15 Mar 1998 00:16:46 GMT
Lines:	36
Message-ID:	<19980315001600.TAA27129@ladder03.news.aol.com>
NNTP-Posting-Host:	ladder03.news.aol.com
Organization:	AOL http://www.aol.com
References:	<199803110141 DOT RAA22252 AT adit DOT ap DOT net>
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

>At 05:06  3/10/1998 +1000, Konstanty wrote:
>>I have made a game called puzzle
>>(http://www.uq.edu.au/~csmbialk/puzzle.zip)
>>
>>It works fine on my computer but when i asked someone else to try it, it
>>crashes after displaying a screen of cyan stuff
>>
>>I got the code to it and will show it if needed.
>>
>>It uses (16-bit colour mode at 800x600 and 1024x768)
>>using allegro
>>
>>I have a 2Mb Cyris Logic card and it works
>>
>>One of the ppl who tried it has a 1Mb video card
>
>What sort of card? Are you sure it's supported by Allegro?
>
>Another possibility: Do you use Windows 95 and your friend uses DOS? If so,
>look for NULL pointer dereferences; Windows can't catch them but CWSDPMI/DOS
>can.
>
>Nate Eldredge
>eldredge AT ap DOT net

First off... check the most mundane thing - does your zip have all the
resources your program uses??

Second, check for this nasty thing: are you doing any memcpys of ZERO length??
That crushes me alot...


Jim the loiterer
aloiterer AT juno DOT com
http://www.fortunecity.com/skyscraper/gigahertz/179/index.html

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