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; Copyright (C) 2000 Panagiotis Manolios
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; This program is free software; you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 2 of the License, or
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; (at your option) any later version.
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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; You should have received a copy of the GNU General Public License
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; along with this program; if not, write to the Free Software
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; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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; Written by Panagiotis Manolios who can be reached as follows.
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; Email: pete@cs.utexas.edu
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; Department of Computer Science
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; The University of Texas at Austin
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; Austin, TX 78701 USA
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What constitutes an instruction.
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(defun Inst (opcode rc ra rb)
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(list 'Inst opcode rc ra rb))
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(defmacro Inst-opcode () 1)
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(defmacro Inst-rc () 2)
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(defmacro Inst-ra () 3)
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(defmacro Inst-rb () 4)