Date: Thu, 8 Feb 2001 16:22:57 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Jimbo <rpgfreak AT lineone DOT net>
cc: djgpp AT delorie DOT com
Subject: Re: Setting graphics modes in Win2k
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On Thu, 8 Feb 2001, Jimbo wrote:

>    // in case this is a 256 colour mode, generate a nice palette
>    generate_332_palette(pal);
>    set_palette(pal);
> 
>    clear_to_color(screen, makecol(0, 0, 0));
> 
> }
> --------------------------------------------------------------------
> 
> The program returns 4 and outputs "cannot set graphics mode".

If this is not a standard VGA graphics mode, then this is a known 
problem: NT (and W2K, by extension) don't let DOS programs access the 
SVGA registers which is required to program the SVGA for the more 
advanced graphics mode.