Date:	Fri, 02 Jun 95 15:27:36 -0400
From:	Wonkoo Kim <wkim+@pitt.edu>
To:	rbabcock AT cfa DOT harvard DOT edu, djgpp users <djgpp AT sun DOT soe DOT clarkson DOT edu>
Reply-To:	Wonkoo Kim <wkim+@pitt.edu>
Subject:	Re: DJGPP in DOS session under OS/2 Warp?

> Date: Fri, 02 Jun 95 13:44:23 -0400
> From: peprbv AT cfa0 DOT harvard DOT edu
> To: djgpp AT sun DOT soe DOT clarkson DOT edu
> Reply-To: rbabcock AT cfa DOT harvard DOT edu
> Subject: Re: DJGPP in DOS session under OS/2 Warp?
> 
> > Anyways ... going back to original question ... I think you can run DJGPP 
> > in a DOS VDM without any problems.  I was talking to somebody about this 
> > just the other day.  The guy I was talking to did mention that there is a 
> > "quirk" with the DJGPP GO32 extender in a DOS VDM.  I can't remember what 
> > it was 'tho.
> 
> The quirk is that you need to use the real-mode gcc when compiling, but this
> has no performance implications.  (Remember that gcc is merely a control

I think you don't have to use real-mode gcc if system memory is enough.
I could compile with regular gcc without troubles.

> program which calls cpp, cc1, etc. to do the real work.)  The other problem
> is that, for the most part, the djgpp graphics libraries don't work under
> DPMI, nor does the method some programs use to get at the first MB of memory
> (including text video memory).  GO32 v2 will be DPMI-only, so requiring that
> your code work under DPMI now is a good thing.

//--------------------------------------------------------------------
// Wonkoo Kim
// wkim+@pitt.edu

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