From: "J. L." <jlsgarrido AT inbox DOT lv>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: trouble accessing dos high memory
Date: Thu, 22 May 2003 12:38:00 -0500
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

wfrogers wrote:
> "J. L." <jlsgarrido AT inbox DOT lv> wrote in message
> news:<bagura$suceu$1 AT ID-143309 DOT news DOT dfncis DOT de>...
> >
> > Check the FAQ, specifically section 18.7 Accessing absolute
> > address above 1MB.
> >
> > You can find the FAQ at
> >
> > http://www.delorie.com/djgpp/v2faq/
> >
> > HTH
>
> Thanks for the suggestion.  I made an error in the subject
heading.  I
> should have said "upper" memory since this region of memory is
in the
> ISA hole between 640k and 1M.  I'm trying to access data written
by an
> ISA data acquisition card, and am either getting the error
mentioned
> above, or if I get data, I seem to get the same string of bytes
no
> matter what offset I use, and the data seems inconsistent with
that
> which should be written by the card.  Thanks, WFR

Then consult the section 18.4 'How to move data between your
program and conventional memory'

Regards
--
José L. Sánchez Garrido