Re: A92: Memory layout of the 92plus

To: assembly-92@lists.ticalc.org
Subject: Re: A92: Memory layout of the 92plus
From: Anton Ivanov <ivanova@ucs.orst.edu>
Date: Fri, 28 Aug 1998 18:16:05 -0700
Delivered-To: assembly-92-outgoing@towerguard.unix.edu.sollentuna.se
References: <m0zCXo3-0004pZC@fwd07.btx.dtag.de>
Reply-To: assembly-92@lists.ticalc.org




Arno Kizina wrote:

> Concerning the thread "recovery on crashes" I recently examined the 92plus
> memory :
> $000000-$03ffff: RAM
> $040000-$1fffff: 7 mirrors of $0-$3ffff
> $200000-$2fffff: OLD TI92 ROM (parts of it seem still to be used)
> $300000-$3fffff: mirror of $200000-$3fffff
> $400000-$59ffff: TI92plus ROM
> $5a0000-$5fffff: Archive Memory
> $600000-$6?????: Memory mapped I/O
> above: nothing
> Archive memory is totally deleted after a crash! Archived variables are stored
> in backups and recovered to the archive.
>                 A.K.

 You mean that the plus module has parts of the old ROM on it?  Or are you saying
that if the calculator has masked ROM then the plus module utilizes it?

--
Anton Ivanov
ivanova@ucs.orst.edu
http://www.geocities.com/CapeCanaveral/Hangar/9136

Follow-Ups:

Re: A92: Memory layout of the 92plus

From: Arno.Kizina@t-online.de (Arno Kizina)

References:

A92: Memory layout of the 92plus

From: Arno.Kizina@t-online.de (Arno Kizina)