From:	sandmann AT clio DOT rice DOT edu (Charles Sandmann)
Message-Id:	<9606121240.AA16358@clio.rice.edu>
Subject:	Re: Printer error
To:	eliz AT is DOT elta DOT co DOT il (Eli Zaretskii)
Date:	Wed, 12 Jun 1996 07:40:01 -0600 (CDT)
Cc:	j DOT aldrich6 AT genie DOT com, djgpp AT delorie DOT com
In-Reply-To:	<Pine.SUN.3.91.960612145344.7239A-100000@is> from "Eli Zaretskii" at Jun 12, 96 03:11:21 pm

>    **Q*: My v2.0 program crashes, but only under CWSDPMI; it runs OK 
>    under other DPMI hosts like Windows... Is this a bug in CWSDPMI?*

If it's not FAQified yet - the "Page fault at ..." is an important 
confirmation that it's a pointer problem.  That means you referenced a
memory location which is protected or undefined.  Null pointers will
always be page faults.

> under QDPMI you will crash (the well-known QDPMI bug in handling Int 24h).

Under SOME releases of QDPMI.  The version I have handles int 24h correctly
(it's an older release).  It seems they broke Int 24h in the later releases.

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