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Add support for 6800 compatibility instructions.
The occasional program uses the 6800 compatibility instructions since they
are actually specified by Motorola in at least some documentation. They
advertised the 6809 as source compatible with the 6800.
This mode is not enabled by default, however. It is my belief that receiving
an error when using a non-6809 instruction is more useful since it is
unlikely that much 6800 source code is being assembled for the 6809 these
days. Nevertheless, the --6809compat option is present for just those
purposes so one does not have to resort to using macros (which would work
equally well in most cases).
author | William Astle <lost@l-w.ca> |
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date | Tue, 15 Apr 2014 10:57:34 -0600 |
parents | 84eb35251849 |
children | 92cabf300986 |
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#!/bin/sh # # # Copyright 2009 by William Astle <lost@l-w.ca> # #This file is part of LWTOOLS. # #LWTOOLS is free software: you can redistribute it and/or modify it under the #terms of the GNU General Public License as published by the Free Software #Foundation, either version 3 of the License, or (at your option) any later #version. # #This program is distributed in the hope that it will be useful, but WITHOUT #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #more details. # #You should have received a copy of the GNU General Public License along with #this program. If not, see <http://www.gnu.org/licenses/>. # this was based somewhat on the "ar" script from gcc6809 # This script is a frontend to the lwar library manager, to make it # look more like GNU ar. Not all ar features are supported here. # It basically translates ar style options into lwar format. # Parse and translate command-line options # ar options cheatsheet: # r: insert (with replace) # c: create archive # u: only replace newer files # v: verbose mode # x: extract files from archive options=$1; shift case $options in rc|cru|-rc|-cru) options="--replace --create" ;; rv) options="--replace" ;; x|-x) options="--extract" ;; -C|--cache) exit 0 ;; *) options="--replace --create $options" if [ "$libname" = "" ]; then libname=$options fi ;; esac if [ "x$options" = "x" ]; then echo "ar (m6809): no options given" exit 1 fi # Run the real lwar with translated options. exec lwar $options $*