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From: niel%ucsc.csnet@CSNET-RELAY.ARPA
Newsgroups: net.unix-wizards
Subject: Re:  2.10.2 virtterm.c (Invalid Operand error)
Message-ID: <12138@sri-arpa.UUCP>
Date: Mon, 17-Sep-84 15:44:21 EDT
Article-I.D.: sri-arpa.12138
Posted: Mon Sep 17 15:44:21 1984
Date-Received: Tue, 25-Sep-84 22:00:55 EDT
Lines: 8

If you look in the Motorola 68000 manual on page 134 you will see that
for byte size operation address register direct is not allowed.  This
means that you can not pull the lowest byte out of that address register.
I assume this is compiled from C source code in which case there is a problem
in your compiler.  If this assembly code came from the source for your
program and not your compiler then it was not designed or debugged for
the 68000.  Good luck
                 Niel Warren