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Mail Archives: djgpp/1998/11/12/12:30:21.1

Date: Thu, 12 Nov 1998 19:21:35 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender: eliz AT is
To: Joel Neys <neys AT imec DOT be>
cc: djgpp AT delorie DOT com
Subject: Re: Physical memory location
In-Reply-To: <364AFCB0.59F6D0EB@imec.be>
Message-ID: <Pine.SUN.3.91.981112191955.14171D-100000@is>
MIME-Version: 1.0
Reply-To: djgpp AT delorie DOT com

On Thu, 12 Nov 1998, Joel Neys wrote:

> When running CWSDPMI, the linear (or logical) address
> is the same as the physical. That's because only one page is used
> (paging disabled). W95 enables paging, which means multiple pages.

I don't think this is correct.  If Windows would do this, many DOS 
programs would break.  Since they don't I assume Windows doesn't do
that.

In general, every DPMI server I've seen maps conventional memory 1:1, 
precisely because DOS programs expect to see physical addresses.

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