date and time created 90/06/25 15:38:16 by bostic
[unix-history] / usr / src / old / dbx / ops.sun.c
/*
* Copyright (c) 1983 The Regents of the University of California.
* All rights reserved.
*
* %sccs.include.redist.c%
*/
#ifndef lint
static char sccsid[] = "@(#)ops.sun.c 5.2 (Berkeley) %G%";
#endif /* not lint */
/*
* Machine operators.
*/
#include "defs.h"
#include "ops.h"
#include "machine.h"
#ifndef public
/*
* 68000 opcodes.
*/
#define IMDF "#0x%x" /* immediate data format */
typedef struct {
unsigned short mask, match;
int (*opfun)();
char *farg;
} Optab;
#endif
public String bname[16] = {
"ra", "sr", "hi", "ls", "cc", "cs", "ne",
"eq", "vc", "vs", "pl", "mi", "ge", "lt", "gt", "le"
};
public String cname[16] = {
"ra", "f", "hi", "ls", "cc", "cs", "ne",
"eq", "vc", "vs", "pl", "mi", "ge", "lt", "gt", "le"
};
public String dbname[16] = {
"t", "ra", "hi", "ls", "cc", "cs", "ne",
"eq", "vc", "vs", "pl", "mi", "ge", "lt", "gt", "le"
};
public String shro[4] = { "as", "ls", "rox", "ro" };
public String bit[4] = { "btst", "bchg", "bclr", "bset" };
/*
* order is important here
*/
public Optab optab[] = {
0xF000, 0x1000, omove, "b", /* move instructions */
0xF000, 0x2000, omove, "l",
0xF000, 0x3000, omove, "w",
0xF000, 0x6000, obranch, 0, /* branches */
0xFF00, 0x0000, oimmed, "or", /* op class 0 */
0xFF00, 0x0200, oimmed, "and",
0xFF00, 0x0400, oimmed, "sub",
0xFF00, 0x0600, oimmed, "add",
0xFF00, 0x0A00, oimmed, "eor",
0xFF00, 0x0C00, oimmed, "cmp",
0xFF00, 0x0E00, omovs, "movs",
0xF100, 0x0100, biti, 0,
0xF800, 0x0800, biti, 0,
0xFFC0, 0x40C0, oneop, "move_from_sr\t", /* op class 4 */
0xFF00, 0x4000, soneop, "negx",
0xFFC0, 0x42C0, oneop, "movw cc,",
0xFF00, 0x4200, soneop, "clr",
0xFFC0, 0x44C0, oneop, "move_to_ccr ",
0xFF00, 0x4400, soneop, "neg",
0xFFC0, 0x46C0, oneop, "move_to_sr ",
0xFF00, 0x4600, soneop, "not",
0xFFC0, 0x4800, oneop, "nbcd ",
0xFFF8, 0x4840, oreg, "\tswap\td%D",
0xFFC0, 0x4840, oneop, "pea ",
0xFFF8, 0x4880, oreg, "\textw\td%D",
0xFFF8, 0x48C0, oreg, "\textl\td%D",
0xFB80, 0x4880, omovem, 0,
0xFFC0, 0x4AC0, oneop, "tas ",
0xFF00, 0x4A00, soneop, "tst",
0xFFF0, 0x4E40, otrap, 0,
0xFFF8, 0x4E50, olink, 0,
0xFFFE, 0x4E7A, omovc, "\tmovc\t",
0xFFF8, 0x4880, oreg, "\textw\td%D",
0xFFF8, 0x48C0, oreg, "\textl\td%D",
0xFFF8, 0x4E58, oreg, "\tunlk\ta%D",
0xFFF8, 0x4E60, oreg, "\tmove\ta%D,usp",
0xFFF8, 0x4E68, oreg, "\tmove\tusp,a%D",
0xFFFF, 0x4E70, oprint, "reset",
0xFFFF, 0x4E71, oprint, "nop",
0xFFFF, 0x4E72, ostop, "\tstop\t0x%x",
0xFFFF, 0x4E73, oprint, "rte",
0xFFFF, 0x4E74, ortspop, "\trts\t0x%x",
0xFFFF, 0x4E75, orts, "rts",
0xFFFF, 0x4E76, oprint, "trapv",
0xFFFF, 0x4E77, oprint, "rtr",
0xFFC0, 0x4E80, jsrop, "jsr ",
0xFFC0, 0x4EC0, jmpop, "jmp ",
0xF1C0, 0x4180, ochk, "chk",
0xF1C0, 0x41C0, ochk, "lea",
0xF0F8, 0x50C8, odbcc, "\tdb%s\td%D,",
0xF0C0, 0x50C0, oscc, 0,
0xF100, 0x5000, oquick, "addq",
0xF100, 0x5100, oquick, "subq",
0xF000, 0x7000, omoveq, 0,
0xF1C0, 0x80C0, ochk, "divu",
0xF1C0, 0x81C0, ochk, "divs",
0xF1F0, 0x8100, extend, "sbcd",
0xF000, 0x8000, opmode, "or",
0xF1C0, 0x91C0, opmode, "sub",
0xF130, 0x9100, extend, "subx",
0xF000, 0x9000, opmode, "sub",
0xF1C0, 0xB1C0, opmode, "cmp",
0xF138, 0xB108, extend, "cmpm",
0xF100, 0xB000, opmode, "cmp",
0xF100, 0xB100, opmode, "eor",
0xF1C0, 0xC0C0, ochk, "mulu",
0xF1C0, 0xC1C0, ochk, "muls",
0xF1F8, 0xC188, extend, "exg",
0xF1F8, 0xC148, extend, "exg",
0xF1F8, 0xC140, extend, "exg",
0xF1F0, 0xC100, extend, "abcd",
0xF000, 0xC000, opmode, "and",
0xF1C0, 0xD1C0, opmode, "add",
0xF130, 0xD100, extend, "addx",
0xF000, 0xD000, opmode, "add",
0xF100, 0xE000, shroi, "r",
0xF100, 0xE100, shroi, "l",
0, 0, 0, 0
};