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Mail Archives: djgpp/1993/06/03/11:01:28

Date: Thu, 3 Jun 93 10:51:34 EDT
From: DJ Delorie <dj AT ctron DOT com>
To: karna AT pobox DOT upenn DOT edu
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: Re: DPMI support

> -- Is there any way to get at the <1meg memory while in DPMI?  I
> understand that the 0xE0000000 remapping doesn't work.  Is it
> completely unavailable, or is it mapped to some other location?  (I guess
> it might be possible to call DPMI and set up a selector that includes the
> <1meg memory area, but I don't see any way to access memory in that
> selector in C/C++: it would have to be done in assembly language)

There are additional functions in <pc.h> to access dos memory from
go32 programs.  These functions work in all modes and should be used
exclusively for portability reasons.

DJ

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