From: Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de>
Newsgroups: comp.os.msdos.djgpp,comp.programming
Subject: Re: Problem with DJGPP
Followup-To: comp.os.msdos.djgpp
Date: 4 Sep 2001 20:52:51 GMT
Organization: Aachen University of Technology (RWTH)
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To: djgpp AT delorie DOT com
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[Note F'up2 limited to DJGPP group]

In comp.os.msdos.djgpp Rene <eof AT atlas DOT cz> wrote:
> What do I do wrong when the program built in DJGPP exits with General
> protection fault error? 

Put this way, the question would is unanswerable for lack of details.
But fortunately, you did include them, disguised as an "example":

> For example, this occurs when using the fread() from
> stdio.h, when I want to put pixel directly into the video memory
> (0xa0000000), etc. 

Because that's just plain wrong.  Welcome to protected mode, which is
called so because it protects you (or more precisely: the sanity of
your computer system) from such dangerous operations.

You definitely should consult the DJGPP FAQ to learn about the
differences between DJGPP and the more traditional 16bit DOS compilers
like Turbo C.


-- 
Hans-Bernhard Broeker (broeker AT physik DOT rwth-aachen DOT de)
Even if all the snow were burnt, ashes would remain.