Help on adding I/O chips

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Article #139

#139

From: DELAHAYZ
Date: Fri, 18 Apr 1986 09:01

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Dear everybody,
I am thinking about adding some I/O ports to my 800XL(like the joystick ports).
I want to use them for my model-railroad.
The only problem is that I don't know which addresses are really unused(no
memory and no other chips) so that I can put them there.
Is there anybody around who knows those free addresses?
Thanks,
                Frits.
Frits Kuijlman
University of Leiden
The Netherlands
(Please,don't use the address above,I only use it to send mail to ARPANET,
 instead,use the following address.)
BITNET: WARNAAR@HLERUL5
ARPANET: WARNAAR%HLERUL5.BITNET@WISCVM.WISC.EDU

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Message-ID: <8604180854.AA12139@ucbvax.berkeley.edu>

Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!burl!ulysses!ucbvax!HLERUL5.BITNET!DELAHAYZ

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.3 4.3bsd-beta 6/6/85; site ucbvax.BERKELEY.EDU
Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!burl!ulysses!ucbvax!HLERUL5.BITNET!DELAHAYZ
From: DELAHAYZ@HLERUL5.BITNET
Newsgroups: net.micro.atari8
Subject: Help on adding I/O chips
Message-ID: <8604180854.AA12139@ucbvax.berkeley.edu>
Date: Fri, 18-Apr-86 04:01:33 EST
Article-I.D.: ucbvax.8604180854.AA12139
Posted: Fri Apr 18 04:01:33 1986
Date-Received: Sun, 20-Apr-86 01:06:46 EST
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The ARPA Internet
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