1*47940Sbostic /*- 2*47940Sbostic * Copyright (c) 1980 The Regents of the University of California. 3*47940Sbostic * All rights reserved. 422801Skre * 5*47940Sbostic * %sccs.include.proprietary.c% 622801Skre * 7*47940Sbostic * @(#)operand.h 5.2 (Berkeley) 04/12/91 8*47940Sbostic */ 9*47940Sbostic 10*47940Sbostic /* 1113570Sdlw * operand.h -- definitions useful to VAX operand decoding 1213570Sdlw */ 1313570Sdlw 1413570Sdlw #define opmode(op) (op & 0xf0) 1513570Sdlw #define opregn(op) (op & 0xf) 1613570Sdlw 1713570Sdlw /* 1813570Sdlw * operand modes 1913570Sdlw */ 2013570Sdlw #define LITERAL0 0x00 2113570Sdlw #define LITERAL1 0x10 2213570Sdlw #define LITERAL2 0x20 2313570Sdlw #define LITERAL3 0x30 2413570Sdlw #define INDEXED 0x40 2513570Sdlw #define REGISTER 0x50 2613570Sdlw #define REGDEFERED 0x60 2713570Sdlw #define AUTODEC 0x70 2813570Sdlw #define AUTOINC 0x80 2913570Sdlw #define AUTOINCDEF 0x90 3013570Sdlw #define BYTEDISP 0xa0 3113570Sdlw #define BYTEDISPDEF 0xb0 3213570Sdlw #define WORDDISP 0xc0 3313570Sdlw #define WORDDISPDEF 0xd0 3413570Sdlw #define LONGDISP 0xe0 3513570Sdlw #define LONGDISPDEF 0xf0 3613570Sdlw /* 3713570Sdlw * Modes where R is PC 3813570Sdlw */ 3913570Sdlw #define IMMEDIATE 0x8f 4013570Sdlw #define ABSOLUTE 0x9f 4113570Sdlw #define BYTEREL 0xaf 4213570Sdlw #define BYTERELDEF 0xbf 4313570Sdlw #define WORDREL 0xcf 4413570Sdlw #define WORDRELDEF 0xdf 4513570Sdlw #define LONGREL 0xef 4613570Sdlw #define LONGRELDEF 0xff 4713570Sdlw 4813570Sdlw /* 4913570Sdlw * register definitions 5013570Sdlw */ 5113570Sdlw #define R0 0 5213570Sdlw #define R1 1 5313570Sdlw #define R2 2 5413570Sdlw #define R3 3 5513570Sdlw #define R4 4 5613570Sdlw #define R5 5 5713570Sdlw #define R6 6 5813570Sdlw #define R7 7 5913570Sdlw #define R8 8 6013570Sdlw #define R9 9 6113570Sdlw #define R10 10 6213570Sdlw #define R11 11 6313570Sdlw #define AP 12 6413570Sdlw #define FP 13 6513570Sdlw #define SP 14 6613570Sdlw #define PC 15 67