Date: Tue, 23 Sep 1997 20:24:06 -0700 (PDT)
Message-Id: <199709240324.UAA02068@adit.ap.net>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
To: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>, Jim Chapman <jim DOT chapman AT sympatico DOT ca>
From: Nate Eldredge <eldredge AT ap DOT net>
Subject: Re: ispell
Cc: djgpp AT delorie DOT com
Precedence: bulk

At 01:08  9/23/1997 +0300, Eli Zaretskii wrote:
>
>On Mon, 22 Sep 1997, Jim Chapman wrote:
>
>> Eli Zaretskii was right again. When I removed the display.sys from my
>> config.sys file both ispell and info work with LINES=40 in the djgpp.env
>> file.
>
>Are you using CWSDPMI and no memory manager?  I think there's a bug in
>CWSDPMI when you need to access memory in the UMBs (the 64k region
>just above 1M mark).  Ispell and Info access the BIOS character tables
>when you want to work in 40-line mode, and DISPLAY.SYS relocates these
>tables, possibly to upper memory.
Pedantic note: The 64K region just above the 1M mark is called the HMA, or
High Memory Area, and is done with the famous A20 hack. UMB's are chunks of
memory which DOS maps between 640K and 1M. The D000 segment is a popular one
for this.

Nate Eldredge
eldredge AT ap DOT net