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1.1 root 1: /*
2: * Copyright (c) 1983 The Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms are permitted
6: * provided that: (1) source distributions retain this entire copyright
7: * notice and comment, and (2) distributions including binaries display
8: * the following acknowledgement: ``This product includes software
9: * developed by the University of California, Berkeley and its contributors''
10: * in the documentation or other materials provided with the distribution
11: * and in all advertising materials mentioning features or use of this
12: * software. Neither the name of the University nor the names of its
13: * contributors may be used to endorse or promote products derived
14: * from this software without specific prior written permission.
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
16: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
17: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18: */
19:
20: #ifndef lint
21: static char sccsid[] = "@(#)ops.iris.c 5.3 (Berkeley) 6/1/90";
22: #endif /* not lint */
23:
24: /*
25: * Machine operators.
26: */
27:
28: #include "defs.h"
29: #include "ops.h"
30: #include "machine.h"
31:
32: #ifndef public
33:
34: /*
35: * 68000 opcodes.
36: */
37:
38: #define IMDF "#0x%x" /* immediate data format */
39:
40: typedef struct {
41: unsigned short mask, match;
42: int (*opfun)();
43: char *farg;
44: } Optab;
45:
46: #endif
47:
48: public String bname[16] = {
49: "ra", "sr", "hi", "ls", "cc", "cs", "ne",
50: "eq", "vc", "vs", "pl", "mi", "ge", "lt", "gt", "le"
51: };
52:
53: public String cname[16] = {
54: "ra", "f", "hi", "ls", "cc", "cs", "ne",
55: "eq", "vc", "vs", "pl", "mi", "ge", "lt", "gt", "le"
56: };
57:
58: public String dbname[16] = {
59: "t", "ra", "hi", "ls", "cc", "cs", "ne",
60: "eq", "vc", "vs", "pl", "mi", "ge", "lt", "gt", "le"
61: };
62:
63: public String shro[4] = { "as", "ls", "rox", "ro" };
64:
65: public String bit[4] = { "btst", "bchg", "bclr", "bset" };
66:
67: /*
68: * order is important here
69: */
70:
71: public Optab optab[] = {
72: 0xF000, 0x1000, omove, "b", /* move instructions */
73: 0xF000, 0x2000, omove, "l",
74: 0xF000, 0x3000, omove, "w",
75: 0xF000, 0x6000, obranch, 0, /* branches */
76: 0xFF00, 0x0000, oimmed, "or", /* op class 0 */
77: 0xFF00, 0x0200, oimmed, "and",
78: 0xFF00, 0x0400, oimmed, "sub",
79: 0xFF00, 0x0600, oimmed, "add",
80: 0xFF00, 0x0A00, oimmed, "eor",
81: 0xFF00, 0x0C00, oimmed, "cmp",
82: 0xFF00, 0x0E00, omovs, "movs",
83: 0xF100, 0x0100, biti, 0,
84: 0xF800, 0x0800, biti, 0,
85: 0xFFC0, 0x40C0, oneop, "move_from_sr\t", /* op class 4 */
86: 0xFF00, 0x4000, soneop, "negx",
87: 0xFFC0, 0x42C0, oneop, "movw cc,",
88: 0xFF00, 0x4200, soneop, "clr",
89: 0xFFC0, 0x44C0, oneop, "move_to_ccr ",
90: 0xFF00, 0x4400, soneop, "neg",
91: 0xFFC0, 0x46C0, oneop, "move_to_sr ",
92: 0xFF00, 0x4600, soneop, "not",
93: 0xFFC0, 0x4800, oneop, "nbcd ",
94: 0xFFF8, 0x4840, oreg, "\tswap\td%D",
95: 0xFFC0, 0x4840, oneop, "pea ",
96: 0xFFF8, 0x4880, oreg, "\textw\td%D",
97: 0xFFF8, 0x48C0, oreg, "\textl\td%D",
98: 0xFB80, 0x4880, omovem, 0,
99: 0xFFC0, 0x4AC0, oneop, "tas ",
100: 0xFF00, 0x4A00, soneop, "tst",
101: 0xFFF0, 0x4E40, otrap, 0,
102: 0xFFF8, 0x4E50, olink, 0,
103: 0xFFFE, 0x4E7A, omovc, "\tmovc\t",
104: 0xFFF8, 0x4880, oreg, "\textw\td%D",
105: 0xFFF8, 0x48C0, oreg, "\textl\td%D",
106: 0xFFF8, 0x4E58, oreg, "\tunlk\ta%D",
107: 0xFFF8, 0x4E60, oreg, "\tmove\ta%D,usp",
108: 0xFFF8, 0x4E68, oreg, "\tmove\tusp,a%D",
109: 0xFFFF, 0x4E70, oprint, "reset",
110: 0xFFFF, 0x4E71, oprint, "nop",
111: 0xFFFF, 0x4E72, ostop, "\tstop\t0x%x",
112: 0xFFFF, 0x4E73, oprint, "rte",
113: 0xFFFF, 0x4E74, ortspop, "\trts\t0x%x",
114: 0xFFFF, 0x4E75, orts, "rts",
115: 0xFFFF, 0x4E76, oprint, "trapv",
116: 0xFFFF, 0x4E77, oprint, "rtr",
117: 0xFFC0, 0x4E80, jsrop, "jsr ",
118: 0xFFC0, 0x4EC0, jmpop, "jmp ",
119: 0xF1C0, 0x4180, ochk, "chk",
120: 0xF1C0, 0x41C0, ochk, "lea",
121: 0xF0F8, 0x50C8, odbcc, "\tdb%s\td%D,",
122: 0xF0C0, 0x50C0, oscc, 0,
123: 0xF100, 0x5000, oquick, "addq",
124: 0xF100, 0x5100, oquick, "subq",
125: 0xF000, 0x7000, omoveq, 0,
126: 0xF1C0, 0x80C0, ochk, "divu",
127: 0xF1C0, 0x81C0, ochk, "divs",
128: 0xF1F0, 0x8100, extend, "sbcd",
129: 0xF000, 0x8000, opmode, "or",
130: 0xF1C0, 0x91C0, opmode, "sub",
131: 0xF130, 0x9100, extend, "subx",
132: 0xF000, 0x9000, opmode, "sub",
133: 0xF1C0, 0xB1C0, opmode, "cmp",
134: 0xF138, 0xB108, extend, "cmpm",
135: 0xF100, 0xB000, opmode, "cmp",
136: 0xF100, 0xB100, opmode, "eor",
137: 0xF1C0, 0xC0C0, ochk, "mulu",
138: 0xF1C0, 0xC1C0, ochk, "muls",
139: 0xF1F8, 0xC188, extend, "exg",
140: 0xF1F8, 0xC148, extend, "exg",
141: 0xF1F8, 0xC140, extend, "exg",
142: 0xF1F0, 0xC100, extend, "abcd",
143: 0xF000, 0xC000, opmode, "and",
144: 0xF1C0, 0xD1C0, opmode, "add",
145: 0xF130, 0xD100, extend, "addx",
146: 0xF000, 0xD000, opmode, "add",
147: 0xF100, 0xE000, shroi, "r",
148: 0xF100, 0xE100, shroi, "l",
149: 0, 0, 0, 0
150: };
151:
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