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From:	Patrick Steele <psteele AT conch DOT aa DOT msen DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: BCC2GRX and SVGA
Date:	Thu, 2 Nov 1995 19:58:47 -0500
Organization:	Msen
Lines:	44
References:	<470bfp$8h2 AT recepsen DOT aa DOT msen DOT com> <9510300714 DOT AA19577 AT zora DOT uni-kiel DOT de> <Pine.BSD/.3 DOT 91 DOT 951031210255 DOT 4871B-100000 AT conch DOT aa DOT msen DOT com> <9511021443 DOT AA22974 AT axp05>
Nntp-Posting-Host:	conch.aa.msen.com
To:	djgpp AT sun DOT soe DOT clarkson DOT edu
Dj-Gateway:	from newsgroup comp.os.msdos.djgpp

On Thu, 2 Nov 1995 Broeker AT physik DOT rwth-aachen DOT de wrote:

> In comp.os.msdos.djgpp you write:
> 
> >On Mon, 30 Oct 1995, Hartmut Schirmer wrote:
> 
> So where's the problem? Does it really make you any problems to change
> the source code given above to somthing like this:
> 
> #ifdef __GNUC__
>   gd = _SOME_BCC2GRX_COMPATIBLE_GD_
>   gm = _SOME_BCC2GRX_COMPATIBLE_GD_
>   set_BGI_mode_whc(&gd, &gm, XRES, YRES, NC);
> #else
>   gd = _YOUR_OLD_GD_SETUP_;
>   gm = _THE_OLD_MODE_SELECTION_;
> #endif

But there is no BCC2GRX_COMPATIBLE_MODE...  Or maybe I don't understand 
what you were sayin.  How would I set up for a VESA compatible 
640x480x256 using BXX2GRX??

> (If I'm not totally mistaken, this would give you a gd/gm pair usable
> to initgraph() to your desired resolution, independent of the compiler
> being used. Any corrections on this?)
> 
> Remember: there's no real use for a distinction between things like
> TRIDENT256 and VESA256 when you're using BCC2GRX, as this is configured
> already by using the GO32 (or GRXDRV for 2.0) env. variable. So why
> bother implementing it at all? All the functionality is there, you just
> have to change 2 original lines of code, getting 8 (complete with all
> the #ifdef'ing). I don't think that's too high a price.
> 

I may have missed something somewhere.  What's this about a GO32 
environment variable?

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