Date: Sun, 4 Apr 1999 09:34:15 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Niclas <niclas_flysjo AT hotmail DOT com>
cc: djgpp AT delorie DOT com
Subject: Re: DPMI function 800h, 
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On Sat, 3 Apr 1999, Niclas wrote:

> Is the linear adress that I'll get from the "Physical Address Mapping" DPMI
> function 800h, ready to use as an offset.

No.  You need to create a selector which has that linear address as
its base address.  And *then* you can use e.g. _farptr functions to
access the memory via the selector.

Please read section 18.7 of the DJGPP FAQ list (v2/faq211b.zip from
the same place you got DJGPP), it explains this issue and shows some
code that you could use as an example.