Date: Fri, 16 Nov 2001 13:10:12 +0200
From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
Sender: halo1 AT zahav DOT net DOT il
To: "jansb000" <jansb000 AT wxs DOT nl>
Message-Id: <5137-Fri16Nov2001131011+0200-eliz@is.elta.co.il>
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CC: djgpp AT delorie DOT com
In-reply-to: <9t1k0h$5ia$1@reader05.wxs.nl> (jansb000@wxs.nl)
Subject: Re: Problems with DJGPP/Allegro on Win2K
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> From: "jansb000" <jansb000 AT wxs DOT nl>
> Newsgroups: comp.os.msdos.djgpp
> Date: Fri, 16 Nov 2001 00:46:25 +0100
> 
> What do I have to do to get my DJGPP code working on a Win2k machine?
> (Maybe this problem is more related to Allegro then to DJGPP).
> 
> The problem that has been reported to me is: the program doesn't produce any
> screen output, just a dos-box with a blinking cursor.

If your program uses any of the Allegro functions that need to access
the video hardware directly, via registers, it probably won't work on
Windows 2000 or Windows XP (and also on NT), because the NT family of
Windows versions doesn't allow such a direct access.  It thinks it
needs to save you from yourself ;-)

See section 3.3 of the DJGPP FAQ for more about this.