1993-03-31 21:24:07 +04:00
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/*
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* Copyright (c) 1983 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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1993-08-01 21:54:45 +04:00
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* from: @(#)vax.h 5.4 (Berkeley) 6/1/90
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* $Id: vax.h,v 1.2 1993/08/01 18:15:14 mycroft Exp $
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1993-03-31 21:24:07 +04:00
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*/
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/*
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* opcode of the `calls' instruction
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*/
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#define CALLS 0xfb
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/*
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* offset (in bytes) of the code from the entry address of a routine.
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* (see asgnsamples for use and explanation.)
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*/
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#define OFFSET_OF_CODE 2
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#define UNITS_TO_CODE (OFFSET_OF_CODE / sizeof(UNIT))
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/*
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* register for pc relative addressing
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*/
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#define PC 0xf
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enum opermodes {
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literal, indexed, reg, regdef, autodec, autoinc, autoincdef,
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bytedisp, bytedispdef, worddisp, worddispdef, longdisp, longdispdef,
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immediate, absolute, byterel, bytereldef, wordrel, wordreldef,
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longrel, longreldef
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};
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typedef enum opermodes operandenum;
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struct modebyte {
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unsigned int regfield:4;
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unsigned int modefield:4;
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};
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