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Mail Archives: djgpp-workers/1997/08/31/12:27:09

Date: Sun, 31 Aug 1997 12:23:03 -0400 (EDT)
Message-Id: <199708311623.MAA02328@delorie.com>
From: DJ Delorie <dj AT delorie DOT com>
To: eliz AT is DOT elta DOT co DOT il
CC: djgpp-workers AT delorie DOT com
In-reply-to: <Pine.SUN.3.91.970831191353.17131D-100000@is> (message from Eli
Zaretskii on Sun, 31 Aug 1997 19:14:49 +0300 (IDT))
Subject: Re: _dos_ds segment limit

> > TSRs often require you access their data structures.  VESA, for example.
> > They may be anywhere, including high memory.
> 
> Does ``high memory'' here mean above 640KB or above 1MB?

I was referring to all memory 0 through 1M+64K-16

"High memory" is usually the memory above 1M; 640K-1M is usually
called "upper memory".  This is based on "dos=high" and "upper memory
blocks".

Maybe we should stick to numbers...

In any event, the limit of _dos_ds should be 1M+64K-16 (1M+64K since
we're 4K granular).

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