4.3BSD - /usr/src/usr.lib/libF77/operand.h

   1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  *
   6:  *	@(#)operand.h	5.1 (Berkeley) 6/7/85
   7:  *
   8:  * operand.h  --  definitions useful to VAX operand decoding
   9:  */
  10: 
  11: #define opmode(op)  (op & 0xf0)
  12: #define opregn(op)  (op & 0xf)
  13: 
  14: /*
  15:  * operand modes
  16:  */
  17: #define LITERAL0    0x00
  18: #define LITERAL1    0x10
  19: #define LITERAL2    0x20
  20: #define LITERAL3    0x30
  21: #define INDEXED     0x40
  22: #define REGISTER    0x50
  23: #define REGDEFERED  0x60
  24: #define AUTODEC     0x70
  25: #define AUTOINC     0x80
  26: #define AUTOINCDEF  0x90
  27: #define BYTEDISP    0xa0
  28: #define BYTEDISPDEF 0xb0
  29: #define WORDDISP    0xc0
  30: #define WORDDISPDEF 0xd0
  31: #define LONGDISP    0xe0
  32: #define LONGDISPDEF 0xf0
  33: /*
  34:  * Modes where R is PC
  35:  */
  36: #define IMMEDIATE   0x8f
  37: #define ABSOLUTE    0x9f
  38: #define BYTEREL     0xaf
  39: #define BYTERELDEF  0xbf
  40: #define WORDREL     0xcf
  41: #define WORDRELDEF  0xdf
  42: #define LONGREL     0xef
  43: #define LONGRELDEF  0xff
  44: 
  45: /*
  46:  * register definitions
  47:  */
  48: #define R0  0
  49: #define R1  1
  50: #define R2  2
  51: #define R3  3
  52: #define R4  4
  53: #define R5  5
  54: #define R6  6
  55: #define R7  7
  56: #define R8  8
  57: #define R9  9
  58: #define R10 10
  59: #define R11 11
  60: #define AP  12
  61: #define FP  13
  62: #define SP  14
  63: #define PC  15

Defined macros

Usage of this include