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Date:	Mon, 26 Feb 2024 14:56:05 +0200
Message-Id:	<864jdvwfiy.fsf@gnu.org>
From:	"Eli Zaretskii (eliz AT gnu DOT org) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
To:	djgpp AT delorie DOT com
In-Reply-To:
	<CALPW7mRAZHoai1B6xp_qMsC77wOJOPp6mZ1ueNceF-w=eW80WQ AT mail DOT gmail DOT com>
	(djgpp AT delorie DOT com)
Subject:	Re: DJGPP documentation updates
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Reply-To:	djgpp AT delorie DOT com

> From: "A. Wik (awik32 AT gmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
> Date: Mon, 26 Feb 2024 08:23:27 +0000
> 
> > I think there's a misunderstanding here.  The issue at hand is whether
> > the DOS memory's linear address, as it appears within a certain VM,
> > can ever have the value above 1MB.  If the linear address is _always_
> > below 1MB, then for all practical purposes it is the same as the
> > "physical address", since what the VM does under the hood is none of
> > the business of the DJGPP programmer.
> 
> Linear V86 addresses are obviously below 1 MB, but (via the page
> tables) they can be (and in Wndows often are) mapped to any physical
> address, including above 1 MB.

Of course.  But the misunderstanding I was pointing out is exactly
this: a programmer doesn't care about those page tables in this case,
because DOS memory is by definition "physical".

We basically agree about the facts, but not about their impact on the
documentation that is the subject of this thread.

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