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/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that: (1) source distributions retain this entire copyright
* notice and comment, and (2) distributions including binaries display
* the following acknowledgement: ``This product includes software
* developed by the University of California, Berkeley and its contributors''
* in the documentation or other materials provided with the distribution
* and in all advertising materials mentioning features or use of this
* software. Neither the name of the University nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* @(#)vax.h 5.4 (Berkeley) 6/1/90
*/
/*
* opcode of the `calls' instruction
*/
#define CALLS 0xfb
/*
* offset (in bytes) of the code from the entry address of a routine.
* (see asgnsamples for use and explanation.)
*/
#define OFFSET_TO_CODE 2
#define UNITS_TO_CODE (OFFSET_TO_CODE / sizeof(UNIT))
/*
* register for pc relative addressing
*/
#define PC 0xf
enum opermodes {
literal, indexed, reg, regdef, autodec, autoinc, autoincdef,
bytedisp, bytedispdef, worddisp, worddispdef, longdisp, longdispdef,
immediate, absolute, byterel, bytereldef, wordrel, wordreldef,
longrel, longreldef
};
typedef enum opermodes operandenum;
struct modebyte {
unsigned int regfield:4;
unsigned int modefield:4;
};
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