From:	"Thomas Schachtner" <thomas DOT schachtner AT gmx DOT de>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: read a specific memory address
Date:	Tue, 8 May 2001 15:46:04 +0200
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To:	djgpp AT delorie DOT com
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"Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il> wrote in message
news:1659-Sat05May2001211357+0300-eliz AT is DOT elta DOT co DOT il...
> > From: "Thomas Schachtner" <thomas DOT schachtner AT gmx DOT de>
> > Date: Sat, 5 May 2001 17:25:13 +0200
> >
> > There was a address (32 bit format) which was 0x0BFF0000.
> > Then I just used _dos_ds as selector and used 0x0BFF0000 as offset. As I
> > wanted to access (read) this memory value I got an error.
> > So I think that I need another selector, because this memory area is
beyond
> > DOS's 1MB border...
>
> Yes, _dos_ds is defined to span the first 1MB (plus 64KB).  If you
> need to read memory above 1MB mark, you will have to create your own
> selector and use it instead of _dos_ds in the call to _farpeekb.  The
> two sections of the FAQ I cited explain how to do that, and show
> examples of working code.

I read the FAQ and the program works fine - with Windows 98 and Windows Me!
On Windows 2000 it just reads the values i get via the _dos_ds selector.
When I want to allocate a selector in the high address space the program
stops without any error messages or warnings...

strange...

Best regars
Tom

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