Date: Mon, 09 Jan 1995 21:15:03 -0500 (CDT)
From: Aaron Ucko <UCKO AT VAX1 DOT ROCKHURST DOT EDU>
Subject: Re: High res modes with djgpp.
To: sasbnb AT unx DOT sas DOT com
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Organization: Rockhurst College; Kansas City, MO

>am having problems getting it to go into any video mode other than
>320x200.
>
>I have set go32=driver c:\djgpp\drivers\vga.grd gw=640  gh=480 nc=256.
The VGA driver assumes you have a plain VGA, so it doesn't support
anything better than 320x200x256 (and maybe 640x480x16)
>driver. It destroys my color palet, complains about a graphics mode
>error, and forces me to reboot to see my screen again.
>
>I have tried to load my viper vesa driver with vprmode vesa or not
>and it makes no difference.
Try the GRX VESA driver.  Also check the GRX drivers to find one for
your (unspecified) chipset.
>Additionally, I have tried to figure out how to use djgpp/contrib/libgrx,
>but can find no documentation on it. It has a vesa driver which seems
Have you looked in djgpp/contrib/grx/docs?

--- Aaron Ucko (ucko AT vax1 DOT rockhurst DOT edu; finger for PGP public key) -=- httyp!
-=*=-Just because you're paranoid doesn't mean they aren't out to get you.-=*=-
Geek code 2.1 [finger hayden AT vax1 DOT mankato DOT msus DOT edu for explanation]: 
 GCS/M/S d(-) H s g+ p? !au a-- w+ v+ C++(+++)>++++ UL++(-)(S+)>++++ P++ 
 L+(++) 3(-) E-(----) !N>++ K- W-(---) M-(--) V(--) po-(--) Y+(++) t(+) !5 j R 
 G tv--(-) b+++ !D(--) B--(---) e>++++(*) u++(@) h!() f(+) r-(--)>+++ n+(-) y?