source: buchla-emu/cpu/m68kdasm.c@ a8df7a7

Last change on this file since a8df7a7 was 93280c2, checked in by Thomas Lopatic <thomas@…>, 7 years ago

Added Musashi CPU emulator.
  • Property mode set to 100755
File size: 95.0 KB
Line 
1/* ======================================================================== */
2/* ========================= LICENSING & COPYRIGHT ======================== */
3/* ======================================================================== */
4/*
5 * MUSASHI
6 * Version 3.4
7 *
8 * A portable Motorola M680x0 processor emulation engine.
9 * Copyright 1998-2001 Karl Stenerud. All rights reserved.
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
20
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
27 * THE SOFTWARE.
28 */
29
30
31
32/* ======================================================================== */
33/* ================================ INCLUDES ============================== */
34/* ======================================================================== */
35
36#include <stdlib.h>
37#include <stdio.h>
38#include <string.h>
39#include "m68k.h"
40
41#ifndef DECL_SPEC
42#define DECL_SPEC
43#endif
44
45/* ======================================================================== */
46/* ============================ GENERAL DEFINES =========================== */
47/* ======================================================================== */
48
49/* unsigned int and int must be at least 32 bits wide */
50#undef uint
51#define uint unsigned int
52
53/* Bit Isolation Functions */
54#define BIT_0(A) ((A) & 0x00000001)
55#define BIT_1(A) ((A) & 0x00000002)
56#define BIT_2(A) ((A) & 0x00000004)
57#define BIT_3(A) ((A) & 0x00000008)
58#define BIT_4(A) ((A) & 0x00000010)
59#define BIT_5(A) ((A) & 0x00000020)
60#define BIT_6(A) ((A) & 0x00000040)
61#define BIT_7(A) ((A) & 0x00000080)
62#define BIT_8(A) ((A) & 0x00000100)
63#define BIT_9(A) ((A) & 0x00000200)
64#define BIT_A(A) ((A) & 0x00000400)
65#define BIT_B(A) ((A) & 0x00000800)
66#define BIT_C(A) ((A) & 0x00001000)
67#define BIT_D(A) ((A) & 0x00002000)
68#define BIT_E(A) ((A) & 0x00004000)
69#define BIT_F(A) ((A) & 0x00008000)
70#define BIT_10(A) ((A) & 0x00010000)
71#define BIT_11(A) ((A) & 0x00020000)
72#define BIT_12(A) ((A) & 0x00040000)
73#define BIT_13(A) ((A) & 0x00080000)
74#define BIT_14(A) ((A) & 0x00100000)
75#define BIT_15(A) ((A) & 0x00200000)
76#define BIT_16(A) ((A) & 0x00400000)
77#define BIT_17(A) ((A) & 0x00800000)
78#define BIT_18(A) ((A) & 0x01000000)
79#define BIT_19(A) ((A) & 0x02000000)
80#define BIT_1A(A) ((A) & 0x04000000)
81#define BIT_1B(A) ((A) & 0x08000000)
82#define BIT_1C(A) ((A) & 0x10000000)
83#define BIT_1D(A) ((A) & 0x20000000)
84#define BIT_1E(A) ((A) & 0x40000000)
85#define BIT_1F(A) ((A) & 0x80000000)
86
87/* These are the CPU types understood by this disassembler */
88#define TYPE_68000 1
89#define TYPE_68010 2
90#define TYPE_68020 4
91#define TYPE_68030 8
92#define TYPE_68040 16
93
94#define M68000_ONLY TYPE_68000
95
96#define M68010_ONLY TYPE_68010
97#define M68010_LESS (TYPE_68000 | TYPE_68010)
98#define M68010_PLUS (TYPE_68010 | TYPE_68020 | TYPE_68030 | TYPE_68040)
99
100#define M68020_ONLY TYPE_68020
101#define M68020_LESS (TYPE_68010 | TYPE_68020)
102#define M68020_PLUS (TYPE_68020 | TYPE_68030 | TYPE_68040)
103
104#define M68030_ONLY TYPE_68030
105#define M68030_LESS (TYPE_68010 | TYPE_68020 | TYPE_68030)
106#define M68030_PLUS (TYPE_68030 | TYPE_68040)
107
108#define M68040_PLUS TYPE_68040
109
110
111/* Extension word formats */
112#define EXT_8BIT_DISPLACEMENT(A) ((A)&0xff)
113#define EXT_FULL(A) BIT_8(A)
114#define EXT_EFFECTIVE_ZERO(A) (((A)&0xe4) == 0xc4 || ((A)&0xe2) == 0xc0)
115#define EXT_BASE_REGISTER_PRESENT(A) (!BIT_7(A))
116#define EXT_INDEX_REGISTER_PRESENT(A) (!BIT_6(A))
117#define EXT_INDEX_REGISTER(A) (((A)>>12)&7)
118#define EXT_INDEX_PRE_POST(A) (EXT_INDEX_PRESENT(A) && (A)&3)
119#define EXT_INDEX_PRE(A) (EXT_INDEX_PRESENT(A) && ((A)&7) < 4 && ((A)&7) != 0)
120#define EXT_INDEX_POST(A) (EXT_INDEX_PRESENT(A) && ((A)&7) > 4)
121#define EXT_INDEX_SCALE(A) (((A)>>9)&3)
122#define EXT_INDEX_LONG(A) BIT_B(A)
123#define EXT_INDEX_AR(A) BIT_F(A)
124#define EXT_BASE_DISPLACEMENT_PRESENT(A) (((A)&0x30) > 0x10)
125#define EXT_BASE_DISPLACEMENT_WORD(A) (((A)&0x30) == 0x20)
126#define EXT_BASE_DISPLACEMENT_LONG(A) (((A)&0x30) == 0x30)
127#define EXT_OUTER_DISPLACEMENT_PRESENT(A) (((A)&3) > 1 && ((A)&0x47) < 0x44)
128#define EXT_OUTER_DISPLACEMENT_WORD(A) (((A)&3) == 2 && ((A)&0x47) < 0x44)
129#define EXT_OUTER_DISPLACEMENT_LONG(A) (((A)&3) == 3 && ((A)&0x47) < 0x44)
130
131
132
133/* ======================================================================== */
134/* =============================== PROTOTYPES ============================= */
135/* ======================================================================== */
136
137/* Read data at the PC and increment PC */
138uint read_imm_8(void);
139uint read_imm_16(void);
140uint read_imm_32(void);
141
142/* Read data at the PC but don't imcrement the PC */
143uint peek_imm_8(void);
144uint peek_imm_16(void);
145uint peek_imm_32(void);
146
147/* make signed integers 100% portably */
148static int make_int_8(int value);
149static int make_int_16(int value);
150
151/* make a string of a hex value */
152static char* make_signed_hex_str_8(uint val);
153static char* make_signed_hex_str_16(uint val);
154static char* make_signed_hex_str_32(uint val);
155
156/* make string of ea mode */
157static char* get_ea_mode_str(uint instruction, uint size);
158
159char* get_ea_mode_str_8(uint instruction);
160char* get_ea_mode_str_16(uint instruction);
161char* get_ea_mode_str_32(uint instruction);
162
163/* make string of immediate value */
164static char* get_imm_str_s(uint size);
165static char* get_imm_str_u(uint size);
166
167char* get_imm_str_s8(void);
168char* get_imm_str_s16(void);
169char* get_imm_str_s32(void);
170
171/* Stuff to build the opcode handler jump table */
172static void build_opcode_table(void);
173static int valid_ea(uint opcode, uint mask);
174static int DECL_SPEC compare_nof_true_bits(const void *aptr, const void *bptr);
175
176/* used to build opcode handler jump table */
177typedef struct
178{
179 void (*opcode_handler)(void); /* handler function */
180 uint mask; /* mask on opcode */
181 uint match; /* what to match after masking */
182 uint ea_mask; /* what ea modes are allowed */
183} opcode_struct;
184
185
186
187/* ======================================================================== */
188/* ================================= DATA ================================= */
189/* ======================================================================== */
190
191/* Opcode handler jump table */
192static void (*g_instruction_table[0x10000])(void);
193/* Flag if disassembler initialized */
194static int g_initialized = 0;
195
196/* Address mask to simulate address lines */
197static unsigned int g_address_mask = 0xffffffff;
198
199static char g_dasm_str[100]; /* string to hold disassembly */
200static char g_helper_str[100]; /* string to hold helpful info */
201static uint g_cpu_pc; /* program counter */
202static uint g_cpu_ir; /* instruction register */
203static uint g_cpu_type;
204
205/* used by ops like asr, ror, addq, etc */
206static uint g_3bit_qdata_table[8] = {8, 1, 2, 3, 4, 5, 6, 7};
207
208static uint g_5bit_data_table[32] =
209{
210 32, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
211 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
212};
213
214static char* g_cc[16] =
215{"t", "f", "hi", "ls", "cc", "cs", "ne", "eq", "vc", "vs", "pl", "mi", "ge", "lt", "gt", "le"};
216
217static char* g_cpcc[64] =
218{/* 000 001 010 011 100 101 110 111 */
219 "f", "eq", "ogt", "oge", "olt", "ole", "ogl", "or", /* 000 */
220 "un", "ueq", "ugt", "uge", "ult", "ule", "ne", "t", /* 001 */
221 "sf", "seq", "gt", "ge", "lt", "le", "gl" "gle", /* 010 */
222 "ngle", "ngl", "nle", "nlt", "nge", "ngt", "sne", "st", /* 011 */
223 "?", "?", "?", "?", "?", "?", "?", "?", /* 100 */
224 "?", "?", "?", "?", "?", "?", "?", "?", /* 101 */
225 "?", "?", "?", "?", "?", "?", "?", "?", /* 110 */
226 "?", "?", "?", "?", "?", "?", "?", "?" /* 111 */
227};
228
229
230/* ======================================================================== */
231/* =========================== UTILITY FUNCTIONS ========================== */
232/* ======================================================================== */
233
234#define LIMIT_CPU_TYPES(ALLOWED_CPU_TYPES) \
235 if(!(g_cpu_type & ALLOWED_CPU_TYPES)) \
236 { \
237 d68000_illegal(); \
238 return; \
239 }
240
241#define read_imm_8() (m68k_read_disassembler_16(((g_cpu_pc+=2)-2)&g_address_mask)&0xff)
242#define read_imm_16() m68k_read_disassembler_16(((g_cpu_pc+=2)-2)&g_address_mask)
243#define read_imm_32() m68k_read_disassembler_32(((g_cpu_pc+=4)-4)&g_address_mask)
244
245#define peek_imm_8() (m68k_read_disassembler_16(g_cpu_pc & g_address_mask)&0xff)
246#define peek_imm_16() m68k_read_disassembler_16(g_cpu_pc & g_address_mask)
247#define peek_imm_32() m68k_read_disassembler_32(g_cpu_pc & g_address_mask)
248
249/* Fake a split interface */
250#define get_ea_mode_str_8(instruction) get_ea_mode_str(instruction, 0)
251#define get_ea_mode_str_16(instruction) get_ea_mode_str(instruction, 1)
252#define get_ea_mode_str_32(instruction) get_ea_mode_str(instruction, 2)
253
254#define get_imm_str_s8() get_imm_str_s(0)
255#define get_imm_str_s16() get_imm_str_s(1)
256#define get_imm_str_s32() get_imm_str_s(2)
257
258#define get_imm_str_u8() get_imm_str_u(0)
259#define get_imm_str_u16() get_imm_str_u(1)
260#define get_imm_str_u32() get_imm_str_u(2)
261
262
263/* 100% portable signed int generators */
264static int make_int_8(int value)
265{
266 return (value & 0x80) ? value | ~0xff : value & 0xff;
267}
268
269static int make_int_16(int value)
270{
271 return (value & 0x8000) ? value | ~0xffff : value & 0xffff;
272}
273
274
275/* Get string representation of hex values */
276static char* make_signed_hex_str_8(uint val)
277{
278 static char str[20];
279
280 val &= 0xff;
281
282 if(val == 0x80)
283 sprintf(str, "-$80");
284 else if(val & 0x80)
285 sprintf(str, "-$%x", (0-val) & 0x7f);
286 else
287 sprintf(str, "$%x", val & 0x7f);
288
289 return str;
290}
291
292static char* make_signed_hex_str_16(uint val)
293{
294 static char str[20];
295
296 val &= 0xffff;
297
298 if(val == 0x8000)
299 sprintf(str, "-$8000");
300 else if(val & 0x8000)
301 sprintf(str, "-$%x", (0-val) & 0x7fff);
302 else
303 sprintf(str, "$%x", val & 0x7fff);
304
305 return str;
306}
307
308static char* make_signed_hex_str_32(uint val)
309{
310 static char str[20];
311
312 val &= 0xffffffff;
313
314 if(val == 0x80000000)
315 sprintf(str, "-$80000000");
316 else if(val & 0x80000000)
317 sprintf(str, "-$%x", (0-val) & 0x7fffffff);
318 else
319 sprintf(str, "$%x", val & 0x7fffffff);
320
321 return str;
322}
323
324
325/* make string of immediate value */
326static char* get_imm_str_s(uint size)
327{
328 static char str[15];
329 if(size == 0)
330 sprintf(str, "#%s", make_signed_hex_str_8(read_imm_8()));
331 else if(size == 1)
332 sprintf(str, "#%s", make_signed_hex_str_16(read_imm_16()));
333 else
334 sprintf(str, "#%s", make_signed_hex_str_32(read_imm_32()));
335 return str;
336}
337
338static char* get_imm_str_u(uint size)
339{
340 static char str[15];
341 if(size == 0)
342 sprintf(str, "#$%x", read_imm_8() & 0xff);
343 else if(size == 1)
344 sprintf(str, "#$%x", read_imm_16() & 0xffff);
345 else
346 sprintf(str, "#$%x", read_imm_32() & 0xffffffff);
347 return str;
348}
349
350/* Make string of effective address mode */
351static char* get_ea_mode_str(uint instruction, uint size)
352{
353 static char b1[64];
354 static char b2[64];
355 static char* mode = b2;
356 uint extension;
357 uint base;
358 uint outer;
359 char base_reg[4];
360 char index_reg[8];
361 uint preindex;
362 uint postindex;
363 uint comma = 0;
364 uint temp_value;
365
366 /* Switch buffers so we don't clobber on a double-call to this function */
367 mode = mode == b1 ? b2 : b1;
368
369 switch(instruction & 0x3f)
370 {
371 case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
372 /* data register direct */
373 sprintf(mode, "D%d", instruction&7);
374 break;
375 case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
376 /* address register direct */
377 sprintf(mode, "A%d", instruction&7);
378 break;
379 case 0x10: case 0x11: case 0x12: case 0x13: case 0x14: case 0x15: case 0x16: case 0x17:
380 /* address register indirect */
381 sprintf(mode, "(A%d)", instruction&7);
382 break;
383 case 0x18: case 0x19: case 0x1a: case 0x1b: case 0x1c: case 0x1d: case 0x1e: case 0x1f:
384 /* address register indirect with postincrement */
385 sprintf(mode, "(A%d)+", instruction&7);
386 break;
387 case 0x20: case 0x21: case 0x22: case 0x23: case 0x24: case 0x25: case 0x26: case 0x27:
388 /* address register indirect with predecrement */
389 sprintf(mode, "-(A%d)", instruction&7);
390 break;
391 case 0x28: case 0x29: case 0x2a: case 0x2b: case 0x2c: case 0x2d: case 0x2e: case 0x2f:
392 /* address register indirect with displacement*/
393 sprintf(mode, "(%s,A%d)", make_signed_hex_str_16(read_imm_16()), instruction&7);
394 break;
395 case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: case 0x35: case 0x36: case 0x37:
396 /* address register indirect with index */
397 extension = read_imm_16();
398
399 if(EXT_FULL(extension))
400 {
401 if(EXT_EFFECTIVE_ZERO(extension))
402 {
403 strcpy(mode, "0");
404 break;
405 }
406 base = EXT_BASE_DISPLACEMENT_PRESENT(extension) ? (EXT_BASE_DISPLACEMENT_LONG(extension) ? read_imm_32() : read_imm_16()) : 0;
407 outer = EXT_OUTER_DISPLACEMENT_PRESENT(extension) ? (EXT_OUTER_DISPLACEMENT_LONG(extension) ? read_imm_32() : read_imm_16()) : 0;
408 if(EXT_BASE_REGISTER_PRESENT(extension))
409 sprintf(base_reg, "A%d", instruction&7);
410 else
411 *base_reg = 0;
412 if(EXT_INDEX_REGISTER_PRESENT(extension))
413 {
414 sprintf(index_reg, "%c%d.%c", EXT_INDEX_AR(extension) ? 'A' : 'D', EXT_INDEX_REGISTER(extension), EXT_INDEX_LONG(extension) ? 'l' : 'w');
415 if(EXT_INDEX_SCALE(extension))
416 sprintf(index_reg+strlen(index_reg), "*%d", 1 << EXT_INDEX_SCALE(extension));
417 }
418 else
419 *index_reg = 0;
420 preindex = (extension&7) > 0 && (extension&7) < 4;
421 postindex = (extension&7) > 4;
422
423 strcpy(mode, "(");
424 if(preindex || postindex)
425 strcat(mode, "[");
426 if(base)
427 {
428 strcat(mode, make_signed_hex_str_16(base));
429 comma = 1;
430 }
431 if(*base_reg)
432 {
433 if(comma)
434 strcat(mode, ",");
435 strcat(mode, base_reg);
436 comma = 1;
437 }
438 if(postindex)
439 {
440 strcat(mode, "]");
441 comma = 1;
442 }
443 if(*index_reg)
444 {
445 if(comma)
446 strcat(mode, ",");
447 strcat(mode, index_reg);
448 comma = 1;
449 }
450 if(preindex)
451 {
452 strcat(mode, "]");
453 comma = 1;
454 }
455 if(outer)
456 {
457 if(comma)
458 strcat(mode, ",");
459 strcat(mode, make_signed_hex_str_16(outer));
460 }
461 strcat(mode, ")");
462 break;
463 }
464
465 if(EXT_8BIT_DISPLACEMENT(extension) == 0)
466 sprintf(mode, "(A%d,%c%d.%c", instruction&7, EXT_INDEX_AR(extension) ? 'A' : 'D', EXT_INDEX_REGISTER(extension), EXT_INDEX_LONG(extension) ? 'l' : 'w');
467 else
468 sprintf(mode, "(%s,A%d,%c%d.%c", make_signed_hex_str_8(extension), instruction&7, EXT_INDEX_AR(extension) ? 'A' : 'D', EXT_INDEX_REGISTER(extension), EXT_INDEX_LONG(extension) ? 'l' : 'w');
469 if(EXT_INDEX_SCALE(extension))
470 sprintf(mode+strlen(mode), "*%d", 1 << EXT_INDEX_SCALE(extension));
471 strcat(mode, ")");
472 break;
473 case 0x38:
474 /* absolute short address */
475 sprintf(mode, "$%x.w", read_imm_16());
476 break;
477 case 0x39:
478 /* absolute long address */
479 sprintf(mode, "$%x.l", read_imm_32());
480 break;
481 case 0x3a:
482 /* program counter with displacement */
483 temp_value = read_imm_16();
484 sprintf(mode, "(%s,PC)", make_signed_hex_str_16(temp_value));
485 sprintf(g_helper_str, "; ($%x)", (make_int_16(temp_value) + g_cpu_pc-2) & 0xffffffff);
486 break;
487 case 0x3b:
488 /* program counter with index */
489 extension = read_imm_16();
490
491 if(EXT_FULL(extension))
492 {
493 if(EXT_EFFECTIVE_ZERO(extension))
494 {
495 strcpy(mode, "0");
496 break;
497 }
498 base = EXT_BASE_DISPLACEMENT_PRESENT(extension) ? (EXT_BASE_DISPLACEMENT_LONG(extension) ? read_imm_32() : read_imm_16()) : 0;
499 outer = EXT_OUTER_DISPLACEMENT_PRESENT(extension) ? (EXT_OUTER_DISPLACEMENT_LONG(extension) ? read_imm_32() : read_imm_16()) : 0;
500 if(EXT_BASE_REGISTER_PRESENT(extension))
501 strcpy(base_reg, "PC");
502 else
503 *base_reg = 0;
504 if(EXT_INDEX_REGISTER_PRESENT(extension))
505 {
506 sprintf(index_reg, "%c%d.%c", EXT_INDEX_AR(extension) ? 'A' : 'D', EXT_INDEX_REGISTER(extension), EXT_INDEX_LONG(extension) ? 'l' : 'w');
507 if(EXT_INDEX_SCALE(extension))
508 sprintf(index_reg+strlen(index_reg), "*%d", 1 << EXT_INDEX_SCALE(extension));
509 }
510 else
511 *index_reg = 0;
512 preindex = (extension&7) > 0 && (extension&7) < 4;
513 postindex = (extension&7) > 4;
514
515 strcpy(mode, "(");
516 if(preindex || postindex)
517 strcat(mode, "[");
518 if(base)
519 {
520 strcat(mode, make_signed_hex_str_16(base));
521 comma = 1;
522 }
523 if(*base_reg)
524 {
525 if(comma)
526 strcat(mode, ",");
527 strcat(mode, base_reg);
528 comma = 1;
529 }
530 if(postindex)
531 {
532 strcat(mode, "]");
533 comma = 1;
534 }
535 if(*index_reg)
536 {
537 if(comma)
538 strcat(mode, ",");
539 strcat(mode, index_reg);
540 comma = 1;
541 }
542 if(preindex)
543 {
544 strcat(mode, "]");
545 comma = 1;
546 }
547 if(outer)
548 {
549 if(comma)
550 strcat(mode, ",");
551 strcat(mode, make_signed_hex_str_16(outer));
552 }
553 strcat(mode, ")");
554 break;
555 }
556
557 if(EXT_8BIT_DISPLACEMENT(extension) == 0)
558 sprintf(mode, "(PC,%c%d.%c", EXT_INDEX_AR(extension) ? 'A' : 'D', EXT_INDEX_REGISTER(extension), EXT_INDEX_LONG(extension) ? 'l' : 'w');
559 else
560 sprintf(mode, "(%s,PC,%c%d.%c", make_signed_hex_str_8(extension), EXT_INDEX_AR(extension) ? 'A' : 'D', EXT_INDEX_REGISTER(extension), EXT_INDEX_LONG(extension) ? 'l' : 'w');
561 if(EXT_INDEX_SCALE(extension))
562 sprintf(mode+strlen(mode), "*%d", 1 << EXT_INDEX_SCALE(extension));
563 strcat(mode, ")");
564 break;
565 case 0x3c:
566 /* Immediate */
567 sprintf(mode, "%s", get_imm_str_u(size));
568 break;
569 default:
570 sprintf(mode, "INVALID %x", instruction & 0x3f);
571 }
572 return mode;
573}
574
575
576
577/* ======================================================================== */
578/* ========================= INSTRUCTION HANDLERS ========================= */
579/* ======================================================================== */
580/* Instruction handler function names follow this convention:
581 *
582 * d68000_NAME_EXTENSIONS(void)
583 * where NAME is the name of the opcode it handles and EXTENSIONS are any
584 * extensions for special instances of that opcode.
585 *
586 * Examples:
587 * d68000_add_er_8(): add opcode, from effective address to register,
588 * size = byte
589 *
590 * d68000_asr_s_8(): arithmetic shift right, static count, size = byte
591 *
592 *
593 * Common extensions:
594 * 8 : size = byte
595 * 16 : size = word
596 * 32 : size = long
597 * rr : register to register
598 * mm : memory to memory
599 * r : register
600 * s : static
601 * er : effective address -> register
602 * re : register -> effective address
603 * ea : using effective address mode of operation
604 * d : data register direct
605 * a : address register direct
606 * ai : address register indirect
607 * pi : address register indirect with postincrement
608 * pd : address register indirect with predecrement
609 * di : address register indirect with displacement
610 * ix : address register indirect with index
611 * aw : absolute word
612 * al : absolute long
613 */
614
615static void d68000_illegal(void)
616{
617 sprintf(g_dasm_str, "dc.w $%04x; ILLEGAL", g_cpu_ir);
618}
619
620static void d68000_1010(void)
621{
622 sprintf(g_dasm_str, "dc.w $%04x; opcode 1010", g_cpu_ir);
623}
624
625
626static void d68000_1111(void)
627{
628 sprintf(g_dasm_str, "dc.w $%04x; opcode 1111", g_cpu_ir);
629}
630
631
632static void d68000_abcd_rr(void)
633{
634 sprintf(g_dasm_str, "abcd D%d, D%d", g_cpu_ir&7, (g_cpu_ir>>9)&7);
635}
636
637
638static void d68000_abcd_mm(void)
639{
640 sprintf(g_dasm_str, "abcd -(A%d), -(A%d)", g_cpu_ir&7, (g_cpu_ir>>9)&7);
641}
642
643static void d68000_add_er_8(void)
644{
645 sprintf(g_dasm_str, "add.b %s, D%d", get_ea_mode_str_8(g_cpu_ir), (g_cpu_ir>>9)&7);
646}
647
648
649static void d68000_add_er_16(void)
650{
651 sprintf(g_dasm_str, "add.w %s, D%d", get_ea_mode_str_16(g_cpu_ir), (g_cpu_ir>>9)&7);
652}
653
654static void d68000_add_er_32(void)
655{
656 sprintf(g_dasm_str, "add.l %s, D%d", get_ea_mode_str_32(g_cpu_ir), (g_cpu_ir>>9)&7);
657}
658
659static void d68000_add_re_8(void)
660{
661 sprintf(g_dasm_str, "add.b D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_8(g_cpu_ir));
662}
663
664static void d68000_add_re_16(void)
665{
666 sprintf(g_dasm_str, "add.w D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_16(g_cpu_ir));
667}
668
669static void d68000_add_re_32(void)
670{
671 sprintf(g_dasm_str, "add.l D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_32(g_cpu_ir));
672}
673
674static void d68000_adda_16(void)
675{
676 sprintf(g_dasm_str, "adda.w %s, A%d", get_ea_mode_str_16(g_cpu_ir), (g_cpu_ir>>9)&7);
677}
678
679static void d68000_adda_32(void)
680{
681 sprintf(g_dasm_str, "adda.l %s, A%d", get_ea_mode_str_32(g_cpu_ir), (g_cpu_ir>>9)&7);
682}
683
684static void d68000_addi_8(void)
685{
686 char* str = get_imm_str_s8();
687 sprintf(g_dasm_str, "addi.b %s, %s", str, get_ea_mode_str_8(g_cpu_ir));
688}
689
690static void d68000_addi_16(void)
691{
692 char* str = get_imm_str_s16();
693 sprintf(g_dasm_str, "addi.w %s, %s", str, get_ea_mode_str_16(g_cpu_ir));
694}
695
696static void d68000_addi_32(void)
697{
698 char* str = get_imm_str_s32();
699 sprintf(g_dasm_str, "addi.l %s, %s", str, get_ea_mode_str_32(g_cpu_ir));
700}
701
702static void d68000_addq_8(void)
703{
704 sprintf(g_dasm_str, "addq.b #%d, %s", g_3bit_qdata_table[(g_cpu_ir>>9)&7], get_ea_mode_str_8(g_cpu_ir));
705}
706
707static void d68000_addq_16(void)
708{
709 sprintf(g_dasm_str, "addq.w #%d, %s", g_3bit_qdata_table[(g_cpu_ir>>9)&7], get_ea_mode_str_16(g_cpu_ir));
710}
711
712static void d68000_addq_32(void)
713{
714 sprintf(g_dasm_str, "addq.l #%d, %s", g_3bit_qdata_table[(g_cpu_ir>>9)&7], get_ea_mode_str_32(g_cpu_ir));
715}
716
717static void d68000_addx_rr_8(void)
718{
719 sprintf(g_dasm_str, "addx.b D%d, D%d", g_cpu_ir&7, (g_cpu_ir>>9)&7);
720}
721
722static void d68000_addx_rr_16(void)
723{
724 sprintf(g_dasm_str, "addx.w D%d, D%d", g_cpu_ir&7, (g_cpu_ir>>9)&7);
725}
726
727static void d68000_addx_rr_32(void)
728{
729 sprintf(g_dasm_str, "addx.l D%d, D%d", g_cpu_ir&7, (g_cpu_ir>>9)&7);
730}
731
732static void d68000_addx_mm_8(void)
733{
734 sprintf(g_dasm_str, "addx.b -(A%d), -(A%d)", g_cpu_ir&7, (g_cpu_ir>>9)&7);
735}
736
737static void d68000_addx_mm_16(void)
738{
739 sprintf(g_dasm_str, "addx.w -(A%d), -(A%d)", g_cpu_ir&7, (g_cpu_ir>>9)&7);
740}
741
742static void d68000_addx_mm_32(void)
743{
744 sprintf(g_dasm_str, "addx.l -(A%d), -(A%d)", g_cpu_ir&7, (g_cpu_ir>>9)&7);
745}
746
747static void d68000_and_er_8(void)
748{
749 sprintf(g_dasm_str, "and.b %s, D%d", get_ea_mode_str_8(g_cpu_ir), (g_cpu_ir>>9)&7);
750}
751
752static void d68000_and_er_16(void)
753{
754 sprintf(g_dasm_str, "and.w %s, D%d", get_ea_mode_str_16(g_cpu_ir), (g_cpu_ir>>9)&7);
755}
756
757static void d68000_and_er_32(void)
758{
759 sprintf(g_dasm_str, "and.l %s, D%d", get_ea_mode_str_32(g_cpu_ir), (g_cpu_ir>>9)&7);
760}
761
762static void d68000_and_re_8(void)
763{
764 sprintf(g_dasm_str, "and.b D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_8(g_cpu_ir));
765}
766
767static void d68000_and_re_16(void)
768{
769 sprintf(g_dasm_str, "and.w D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_16(g_cpu_ir));
770}
771
772static void d68000_and_re_32(void)
773{
774 sprintf(g_dasm_str, "and.l D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_32(g_cpu_ir));
775}
776
777static void d68000_andi_8(void)
778{
779 char* str = get_imm_str_u8();
780 sprintf(g_dasm_str, "andi.b %s, %s", str, get_ea_mode_str_8(g_cpu_ir));
781}
782
783static void d68000_andi_16(void)
784{
785 char* str = get_imm_str_u16();
786 sprintf(g_dasm_str, "andi.w %s, %s", str, get_ea_mode_str_16(g_cpu_ir));
787}
788
789static void d68000_andi_32(void)
790{
791 char* str = get_imm_str_u32();
792 sprintf(g_dasm_str, "andi.l %s, %s", str, get_ea_mode_str_32(g_cpu_ir));
793}
794
795static void d68000_andi_to_ccr(void)
796{
797 sprintf(g_dasm_str, "andi %s, CCR", get_imm_str_u8());
798}
799
800static void d68000_andi_to_sr(void)
801{
802 sprintf(g_dasm_str, "andi %s, SR", get_imm_str_u16());
803}
804
805static void d68000_asr_s_8(void)
806{
807 sprintf(g_dasm_str, "asr.b #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
808}
809
810static void d68000_asr_s_16(void)
811{
812 sprintf(g_dasm_str, "asr.w #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
813}
814
815static void d68000_asr_s_32(void)
816{
817 sprintf(g_dasm_str, "asr.l #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
818}
819
820static void d68000_asr_r_8(void)
821{
822 sprintf(g_dasm_str, "asr.b D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
823}
824
825static void d68000_asr_r_16(void)
826{
827 sprintf(g_dasm_str, "asr.w D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
828}
829
830static void d68000_asr_r_32(void)
831{
832 sprintf(g_dasm_str, "asr.l D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
833}
834
835static void d68000_asr_ea(void)
836{
837 sprintf(g_dasm_str, "asr.w %s", get_ea_mode_str_16(g_cpu_ir));
838}
839
840static void d68000_asl_s_8(void)
841{
842 sprintf(g_dasm_str, "asl.b #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
843}
844
845static void d68000_asl_s_16(void)
846{
847 sprintf(g_dasm_str, "asl.w #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
848}
849
850static void d68000_asl_s_32(void)
851{
852 sprintf(g_dasm_str, "asl.l #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
853}
854
855static void d68000_asl_r_8(void)
856{
857 sprintf(g_dasm_str, "asl.b D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
858}
859
860static void d68000_asl_r_16(void)
861{
862 sprintf(g_dasm_str, "asl.w D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
863}
864
865static void d68000_asl_r_32(void)
866{
867 sprintf(g_dasm_str, "asl.l D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
868}
869
870static void d68000_asl_ea(void)
871{
872 sprintf(g_dasm_str, "asl.w %s", get_ea_mode_str_16(g_cpu_ir));
873}
874
875static void d68000_bcc_8(void)
876{
877 uint temp_pc = g_cpu_pc;
878 sprintf(g_dasm_str, "b%-2s %x", g_cc[(g_cpu_ir>>8)&0xf], temp_pc + make_int_8(g_cpu_ir));
879}
880
881static void d68000_bcc_16(void)
882{
883 uint temp_pc = g_cpu_pc;
884 sprintf(g_dasm_str, "b%-2s %x", g_cc[(g_cpu_ir>>8)&0xf], temp_pc + make_int_16(read_imm_16()));
885}
886
887static void d68020_bcc_32(void)
888{
889 uint temp_pc = g_cpu_pc;
890 LIMIT_CPU_TYPES(M68020_PLUS);
891 sprintf(g_dasm_str, "b%-2s %x; (2+)", g_cc[(g_cpu_ir>>8)&0xf], temp_pc + read_imm_32());
892}
893
894static void d68000_bchg_r(void)
895{
896 sprintf(g_dasm_str, "bchg D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_8(g_cpu_ir));
897}
898
899static void d68000_bchg_s(void)
900{
901 char* str = get_imm_str_u8();
902 sprintf(g_dasm_str, "bchg %s, %s", str, get_ea_mode_str_8(g_cpu_ir));
903}
904
905static void d68000_bclr_r(void)
906{
907 sprintf(g_dasm_str, "bclr D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_8(g_cpu_ir));
908}
909
910static void d68000_bclr_s(void)
911{
912 char* str = get_imm_str_u8();
913 sprintf(g_dasm_str, "bclr %s, %s", str, get_ea_mode_str_8(g_cpu_ir));
914}
915
916static void d68010_bkpt(void)
917{
918 LIMIT_CPU_TYPES(M68010_PLUS);
919 sprintf(g_dasm_str, "bkpt #%d; (1+)", g_cpu_ir&7);
920}
921
922static void d68020_bfchg(void)
923{
924 uint extension;
925 char offset[3];
926 char width[3];
927
928 LIMIT_CPU_TYPES(M68020_PLUS);
929
930 extension = read_imm_16();
931
932 if(BIT_B(extension))
933 sprintf(offset, "D%d", (extension>>6)&7);
934 else
935 sprintf(offset, "%d", (extension>>6)&31);
936 if(BIT_5(extension))
937 sprintf(width, "D%d", extension&7);
938 else
939 sprintf(width, "%d", g_5bit_data_table[extension&31]);
940 sprintf(g_dasm_str, "bfchg %s {%s:%s}; (2+)", get_ea_mode_str_8(g_cpu_ir), offset, width);
941}
942
943static void d68020_bfclr(void)
944{
945 uint extension;
946 char offset[3];
947 char width[3];
948
949 LIMIT_CPU_TYPES(M68020_PLUS);
950
951 extension = read_imm_16();
952
953 if(BIT_B(extension))
954 sprintf(offset, "D%d", (extension>>6)&7);
955 else
956 sprintf(offset, "%d", (extension>>6)&31);
957 if(BIT_5(extension))
958 sprintf(width, "D%d", extension&7);
959 else
960 sprintf(width, "%d", g_5bit_data_table[extension&31]);
961 sprintf(g_dasm_str, "bfclr %s {%s:%s}; (2+)", get_ea_mode_str_8(g_cpu_ir), offset, width);
962}
963
964static void d68020_bfexts(void)
965{
966 uint extension;
967 char offset[3];
968 char width[3];
969
970 LIMIT_CPU_TYPES(M68020_PLUS);
971
972 extension = read_imm_16();
973
974 if(BIT_B(extension))
975 sprintf(offset, "D%d", (extension>>6)&7);
976 else
977 sprintf(offset, "%d", (extension>>6)&31);
978 if(BIT_5(extension))
979 sprintf(width, "D%d", extension&7);
980 else
981 sprintf(width, "%d", g_5bit_data_table[extension&31]);
982 sprintf(g_dasm_str, "bfexts %s {%s:%s}, D%d; (2+)", get_ea_mode_str_8(g_cpu_ir), offset, width, (extension>>12)&7);
983}
984
985static void d68020_bfextu(void)
986{
987 uint extension;
988 char offset[3];
989 char width[3];
990
991 LIMIT_CPU_TYPES(M68020_PLUS);
992
993 extension = read_imm_16();
994
995 if(BIT_B(extension))
996 sprintf(offset, "D%d", (extension>>6)&7);
997 else
998 sprintf(offset, "%d", (extension>>6)&31);
999 if(BIT_5(extension))
1000 sprintf(width, "D%d", extension&7);
1001 else
1002 sprintf(width, "%d", g_5bit_data_table[extension&31]);
1003 sprintf(g_dasm_str, "bfextu %s {%s:%s}, D%d; (2+)", get_ea_mode_str_8(g_cpu_ir), offset, width, (extension>>12)&7);
1004}
1005
1006static void d68020_bfffo(void)
1007{
1008 uint extension;
1009 char offset[3];
1010 char width[3];
1011
1012 LIMIT_CPU_TYPES(M68020_PLUS);
1013
1014 extension = read_imm_16();
1015
1016 if(BIT_B(extension))
1017 sprintf(offset, "D%d", (extension>>6)&7);
1018 else
1019 sprintf(offset, "%d", (extension>>6)&31);
1020 if(BIT_5(extension))
1021 sprintf(width, "D%d", extension&7);
1022 else
1023 sprintf(width, "%d", g_5bit_data_table[extension&31]);
1024 sprintf(g_dasm_str, "bfffo %s {%s:%s}, D%d; (2+)", get_ea_mode_str_8(g_cpu_ir), offset, width, (extension>>12)&7);
1025}
1026
1027static void d68020_bfins(void)
1028{
1029 uint extension;
1030 char offset[3];
1031 char width[3];
1032
1033 LIMIT_CPU_TYPES(M68020_PLUS);
1034
1035 extension = read_imm_16();
1036
1037 if(BIT_B(extension))
1038 sprintf(offset, "D%d", (extension>>6)&7);
1039 else
1040 sprintf(offset, "%d", (extension>>6)&31);
1041 if(BIT_5(extension))
1042 sprintf(width, "D%d", extension&7);
1043 else
1044 sprintf(width, "%d", g_5bit_data_table[extension&31]);
1045 sprintf(g_dasm_str, "bfins D%d, %s {%s:%s}; (2+)", (extension>>12)&7, get_ea_mode_str_8(g_cpu_ir), offset, width);
1046}
1047
1048static void d68020_bfset(void)
1049{
1050 uint extension;
1051 char offset[3];
1052 char width[3];
1053
1054 LIMIT_CPU_TYPES(M68020_PLUS);
1055
1056 extension = read_imm_16();
1057
1058 if(BIT_B(extension))
1059 sprintf(offset, "D%d", (extension>>6)&7);
1060 else
1061 sprintf(offset, "%d", (extension>>6)&31);
1062 if(BIT_5(extension))
1063 sprintf(width, "D%d", extension&7);
1064 else
1065 sprintf(width, "%d", g_5bit_data_table[extension&31]);
1066 sprintf(g_dasm_str, "bfset %s {%s:%s}; (2+)", get_ea_mode_str_8(g_cpu_ir), offset, width);
1067}
1068
1069static void d68020_bftst(void)
1070{
1071 uint extension;
1072 char offset[3];
1073 char width[3];
1074
1075 LIMIT_CPU_TYPES(M68020_PLUS);
1076
1077 extension = read_imm_16();
1078
1079 if(BIT_B(extension))
1080 sprintf(offset, "D%d", (extension>>6)&7);
1081 else
1082 sprintf(offset, "%d", (extension>>6)&31);
1083 if(BIT_5(extension))
1084 sprintf(width, "D%d", extension&7);
1085 else
1086 sprintf(width, "%d", g_5bit_data_table[extension&31]);
1087 sprintf(g_dasm_str, "bftst %s {%s:%s}; (2+)", get_ea_mode_str_8(g_cpu_ir), offset, width);
1088}
1089
1090static void d68000_bra_8(void)
1091{
1092 uint temp_pc = g_cpu_pc;
1093 sprintf(g_dasm_str, "bra %x", temp_pc + make_int_8(g_cpu_ir));
1094}
1095
1096static void d68000_bra_16(void)
1097{
1098 uint temp_pc = g_cpu_pc;
1099 sprintf(g_dasm_str, "bra %x", temp_pc + make_int_16(read_imm_16()));
1100}
1101
1102static void d68020_bra_32(void)
1103{
1104 uint temp_pc = g_cpu_pc;
1105 LIMIT_CPU_TYPES(M68020_PLUS);
1106 sprintf(g_dasm_str, "bra %x; (2+)", temp_pc + read_imm_32());
1107}
1108
1109static void d68000_bset_r(void)
1110{
1111 sprintf(g_dasm_str, "bset D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_8(g_cpu_ir));
1112}
1113
1114static void d68000_bset_s(void)
1115{
1116 char* str = get_imm_str_u8();
1117 sprintf(g_dasm_str, "bset %s, %s", str, get_ea_mode_str_8(g_cpu_ir));
1118}
1119
1120static void d68000_bsr_8(void)
1121{
1122 uint temp_pc = g_cpu_pc;
1123 sprintf(g_dasm_str, "bsr %x", temp_pc + make_int_8(g_cpu_ir));
1124}
1125
1126static void d68000_bsr_16(void)
1127{
1128 uint temp_pc = g_cpu_pc;
1129 sprintf(g_dasm_str, "bsr %x", temp_pc + make_int_16(read_imm_16()));
1130}
1131
1132static void d68020_bsr_32(void)
1133{
1134 uint temp_pc = g_cpu_pc;
1135 LIMIT_CPU_TYPES(M68020_PLUS);
1136 sprintf(g_dasm_str, "bsr %x; (2+)", temp_pc + peek_imm_32());
1137}
1138
1139static void d68000_btst_r(void)
1140{
1141 sprintf(g_dasm_str, "btst D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_8(g_cpu_ir));
1142}
1143
1144static void d68000_btst_s(void)
1145{
1146 char* str = get_imm_str_u8();
1147 sprintf(g_dasm_str, "btst %s, %s", str, get_ea_mode_str_8(g_cpu_ir));
1148}
1149
1150static void d68020_callm(void)
1151{
1152 char* str;
1153 LIMIT_CPU_TYPES(M68020_ONLY);
1154 str = get_imm_str_u8();
1155
1156 sprintf(g_dasm_str, "callm %s, %s; (2)", str, get_ea_mode_str_8(g_cpu_ir));
1157}
1158
1159static void d68020_cas_8(void)
1160{
1161 uint extension;
1162 LIMIT_CPU_TYPES(M68020_PLUS);
1163 extension = read_imm_16();
1164 sprintf(g_dasm_str, "cas.b D%d, D%d, %s; (2+)", extension&7, (extension>>6)&7, get_ea_mode_str_8(g_cpu_ir));
1165}
1166
1167static void d68020_cas_16(void)
1168{
1169 uint extension;
1170 LIMIT_CPU_TYPES(M68020_PLUS);
1171 extension = read_imm_16();
1172 sprintf(g_dasm_str, "cas.w D%d, D%d, %s; (2+)", extension&7, (extension>>6)&7, get_ea_mode_str_16(g_cpu_ir));
1173}
1174
1175static void d68020_cas_32(void)
1176{
1177 uint extension;
1178 LIMIT_CPU_TYPES(M68020_PLUS);
1179 extension = read_imm_16();
1180 sprintf(g_dasm_str, "cas.l D%d, D%d, %s; (2+)", extension&7, (extension>>6)&7, get_ea_mode_str_32(g_cpu_ir));
1181}
1182
1183static void d68020_cas2_16(void)
1184{
1185/* CAS2 Dc1:Dc2,Du1:Dc2:(Rn1):(Rn2)
1186f e d c b a 9 8 7 6 5 4 3 2 1 0
1187 DARn1 0 0 0 Du1 0 0 0 Dc1
1188 DARn2 0 0 0 Du2 0 0 0 Dc2
1189*/
1190
1191 uint extension;
1192 LIMIT_CPU_TYPES(M68020_PLUS);
1193 extension = read_imm_32();
1194 sprintf(g_dasm_str, "cas2.w D%d:D%d, D%d:D%d, (%c%d):(%c%d); (2+)",
1195 (extension>>16)&7, extension&7, (extension>>22)&7, (extension>>6)&7,
1196 BIT_1F(extension) ? 'A' : 'D', (extension>>28)&7,
1197 BIT_F(extension) ? 'A' : 'D', (extension>>12)&7);
1198}
1199
1200static void d68020_cas2_32(void)
1201{
1202 uint extension;
1203 LIMIT_CPU_TYPES(M68020_PLUS);
1204 extension = read_imm_32();
1205 sprintf(g_dasm_str, "cas2.l D%d:D%d, D%d:D%d, (%c%d):(%c%d); (2+)",
1206 (extension>>16)&7, extension&7, (extension>>22)&7, (extension>>6)&7,
1207 BIT_1F(extension) ? 'A' : 'D', (extension>>28)&7,
1208 BIT_F(extension) ? 'A' : 'D', (extension>>12)&7);
1209}
1210
1211static void d68000_chk_16(void)
1212{
1213 sprintf(g_dasm_str, "chk.w %s, D%d", get_ea_mode_str_16(g_cpu_ir), (g_cpu_ir>>9)&7);
1214}
1215
1216static void d68020_chk_32(void)
1217{
1218 LIMIT_CPU_TYPES(M68020_PLUS);
1219 sprintf(g_dasm_str, "chk.l %s, D%d; (2+)", get_ea_mode_str_32(g_cpu_ir), (g_cpu_ir>>9)&7);
1220}
1221
1222static void d68020_chk2_cmp2_8(void)
1223{
1224 uint extension;
1225 LIMIT_CPU_TYPES(M68020_PLUS);
1226 extension = read_imm_16();
1227 sprintf(g_dasm_str, "%s.b %s, %c%d; (2+)", BIT_B(extension) ? "chk2" : "cmp2", get_ea_mode_str_8(g_cpu_ir), BIT_F(extension) ? 'A' : 'D', (extension>>12)&7);
1228}
1229
1230static void d68020_chk2_cmp2_16(void)
1231{
1232 uint extension;
1233 LIMIT_CPU_TYPES(M68020_PLUS);
1234 extension = read_imm_16();
1235 sprintf(g_dasm_str, "%s.w %s, %c%d; (2+)", BIT_B(extension) ? "chk2" : "cmp2", get_ea_mode_str_16(g_cpu_ir), BIT_F(extension) ? 'A' : 'D', (extension>>12)&7);
1236}
1237
1238static void d68020_chk2_cmp2_32(void)
1239{
1240 uint extension;
1241 LIMIT_CPU_TYPES(M68020_PLUS);
1242 extension = read_imm_16();
1243 sprintf(g_dasm_str, "%s.l %s, %c%d; (2+)", BIT_B(extension) ? "chk2" : "cmp2", get_ea_mode_str_32(g_cpu_ir), BIT_F(extension) ? 'A' : 'D', (extension>>12)&7);
1244}
1245
1246static void d68040_cinv(void)
1247{
1248 LIMIT_CPU_TYPES(M68040_PLUS);
1249 switch((g_cpu_ir>>3)&3)
1250 {
1251 case 0:
1252 sprintf(g_dasm_str, "cinv (illegal scope); (4)");
1253 break;
1254 case 1:
1255 sprintf(g_dasm_str, "cinvl %d, (A%d); (4)", (g_cpu_ir>>6)&3, g_cpu_ir&7);
1256 break;
1257 case 2:
1258 sprintf(g_dasm_str, "cinvp %d, (A%d); (4)", (g_cpu_ir>>6)&3, g_cpu_ir&7);
1259 break;
1260 case 3:
1261 sprintf(g_dasm_str, "cinva %d; (4)", (g_cpu_ir>>6)&3);
1262 break;
1263 }
1264}
1265
1266static void d68000_clr_8(void)
1267{
1268 sprintf(g_dasm_str, "clr.b %s", get_ea_mode_str_8(g_cpu_ir));
1269}
1270
1271static void d68000_clr_16(void)
1272{
1273 sprintf(g_dasm_str, "clr.w %s", get_ea_mode_str_16(g_cpu_ir));
1274}
1275
1276static void d68000_clr_32(void)
1277{
1278 sprintf(g_dasm_str, "clr.l %s", get_ea_mode_str_32(g_cpu_ir));
1279}
1280
1281static void d68000_cmp_8(void)
1282{
1283 sprintf(g_dasm_str, "cmp.b %s, D%d", get_ea_mode_str_8(g_cpu_ir), (g_cpu_ir>>9)&7);
1284}
1285
1286static void d68000_cmp_16(void)
1287{
1288 sprintf(g_dasm_str, "cmp.w %s, D%d", get_ea_mode_str_16(g_cpu_ir), (g_cpu_ir>>9)&7);
1289}
1290
1291static void d68000_cmp_32(void)
1292{
1293 sprintf(g_dasm_str, "cmp.l %s, D%d", get_ea_mode_str_32(g_cpu_ir), (g_cpu_ir>>9)&7);
1294}
1295
1296static void d68000_cmpa_16(void)
1297{
1298 sprintf(g_dasm_str, "cmpa.w %s, A%d", get_ea_mode_str_16(g_cpu_ir), (g_cpu_ir>>9)&7);
1299}
1300
1301static void d68000_cmpa_32(void)
1302{
1303 sprintf(g_dasm_str, "cmpa.l %s, A%d", get_ea_mode_str_32(g_cpu_ir), (g_cpu_ir>>9)&7);
1304}
1305
1306static void d68000_cmpi_8(void)
1307{
1308 char* str = get_imm_str_s8();
1309 sprintf(g_dasm_str, "cmpi.b %s, %s", str, get_ea_mode_str_8(g_cpu_ir));
1310}
1311
1312static void d68020_cmpi_pcdi_8(void)
1313{
1314 char* str;
1315 LIMIT_CPU_TYPES(M68010_PLUS);
1316 str = get_imm_str_s8();
1317 sprintf(g_dasm_str, "cmpi.b %s, %s; (2+)", str, get_ea_mode_str_8(g_cpu_ir));
1318}
1319
1320static void d68020_cmpi_pcix_8(void)
1321{
1322 char* str;
1323 LIMIT_CPU_TYPES(M68010_PLUS);
1324 str = get_imm_str_s8();
1325 sprintf(g_dasm_str, "cmpi.b %s, %s; (2+)", str, get_ea_mode_str_8(g_cpu_ir));
1326}
1327
1328static void d68000_cmpi_16(void)
1329{
1330 char* str;
1331 str = get_imm_str_s16();
1332 sprintf(g_dasm_str, "cmpi.w %s, %s", str, get_ea_mode_str_16(g_cpu_ir));
1333}
1334
1335static void d68020_cmpi_pcdi_16(void)
1336{
1337 char* str;
1338 LIMIT_CPU_TYPES(M68010_PLUS);
1339 str = get_imm_str_s16();
1340 sprintf(g_dasm_str, "cmpi.w %s, %s; (2+)", str, get_ea_mode_str_16(g_cpu_ir));
1341}
1342
1343static void d68020_cmpi_pcix_16(void)
1344{
1345 char* str;
1346 LIMIT_CPU_TYPES(M68010_PLUS);
1347 str = get_imm_str_s16();
1348 sprintf(g_dasm_str, "cmpi.w %s, %s; (2+)", str, get_ea_mode_str_16(g_cpu_ir));
1349}
1350
1351static void d68000_cmpi_32(void)
1352{
1353 char* str;
1354 str = get_imm_str_s32();
1355 sprintf(g_dasm_str, "cmpi.l %s, %s", str, get_ea_mode_str_32(g_cpu_ir));
1356}
1357
1358static void d68020_cmpi_pcdi_32(void)
1359{
1360 char* str;
1361 LIMIT_CPU_TYPES(M68010_PLUS);
1362 str = get_imm_str_s32();
1363 sprintf(g_dasm_str, "cmpi.l %s, %s; (2+)", str, get_ea_mode_str_32(g_cpu_ir));
1364}
1365
1366static void d68020_cmpi_pcix_32(void)
1367{
1368 char* str;
1369 LIMIT_CPU_TYPES(M68010_PLUS);
1370 str = get_imm_str_s32();
1371 sprintf(g_dasm_str, "cmpi.l %s, %s; (2+)", str, get_ea_mode_str_32(g_cpu_ir));
1372}
1373
1374static void d68000_cmpm_8(void)
1375{
1376 sprintf(g_dasm_str, "cmpm.b (A%d)+, (A%d)+", g_cpu_ir&7, (g_cpu_ir>>9)&7);
1377}
1378
1379static void d68000_cmpm_16(void)
1380{
1381 sprintf(g_dasm_str, "cmpm.w (A%d)+, (A%d)+", g_cpu_ir&7, (g_cpu_ir>>9)&7);
1382}
1383
1384static void d68000_cmpm_32(void)
1385{
1386 sprintf(g_dasm_str, "cmpm.l (A%d)+, (A%d)+", g_cpu_ir&7, (g_cpu_ir>>9)&7);
1387}
1388
1389static void d68020_cpbcc_16(void)
1390{
1391 uint extension;
1392 uint new_pc = g_cpu_pc;
1393 LIMIT_CPU_TYPES(M68020_PLUS);
1394 extension = read_imm_16();
1395 new_pc += make_int_16(peek_imm_16());
1396 sprintf(g_dasm_str, "%db%-4s %s; %x (extension = %x) (2-3)", (g_cpu_ir>>9)&7, g_cpcc[g_cpu_ir&0x3f], get_imm_str_s16(), new_pc, extension);
1397}
1398
1399static void d68020_cpbcc_32(void)
1400{
1401 uint extension;
1402 uint new_pc = g_cpu_pc;
1403 LIMIT_CPU_TYPES(M68020_PLUS);
1404 extension = read_imm_16();
1405 new_pc += peek_imm_32();
1406 sprintf(g_dasm_str, "%db%-4s %s; %x (extension = %x) (2-3)", (g_cpu_ir>>9)&7, g_cpcc[g_cpu_ir&0x3f], get_imm_str_s16(), new_pc, extension);
1407}
1408
1409static void d68020_cpdbcc(void)
1410{
1411 uint extension1;
1412 uint extension2;
1413 uint new_pc = g_cpu_pc;
1414 LIMIT_CPU_TYPES(M68020_PLUS);
1415 extension1 = read_imm_16();
1416 extension2 = read_imm_16();
1417 new_pc += make_int_16(peek_imm_16());
1418 sprintf(g_dasm_str, "%ddb%-4s D%d,%s; %x (extension = %x) (2-3)", (g_cpu_ir>>9)&7, g_cpcc[extension1&0x3f], g_cpu_ir&7, get_imm_str_s16(), new_pc, extension2);
1419}
1420
1421static void d68020_cpgen(void)
1422{
1423 LIMIT_CPU_TYPES(M68020_PLUS);
1424 sprintf(g_dasm_str, "%dgen %s; (2-3)", (g_cpu_ir>>9)&7, get_imm_str_u32());
1425}
1426
1427static void d68020_cprestore(void)
1428{
1429 LIMIT_CPU_TYPES(M68020_PLUS);
1430 sprintf(g_dasm_str, "%drestore %s; (2-3)", (g_cpu_ir>>9)&7, get_ea_mode_str_8(g_cpu_ir));
1431}
1432
1433static void d68020_cpsave(void)
1434{
1435 LIMIT_CPU_TYPES(M68020_PLUS);
1436 sprintf(g_dasm_str, "%dsave %s; (2-3)", (g_cpu_ir>>9)&7, get_ea_mode_str_8(g_cpu_ir));
1437}
1438
1439static void d68020_cpscc(void)
1440{
1441 uint extension1;
1442 uint extension2;
1443 LIMIT_CPU_TYPES(M68020_PLUS);
1444 extension1 = read_imm_16();
1445 extension2 = read_imm_16();
1446 sprintf(g_dasm_str, "%ds%-4s %s; (extension = %x) (2-3)", (g_cpu_ir>>9)&7, g_cpcc[extension1&0x3f], get_ea_mode_str_8(g_cpu_ir), extension2);
1447}
1448
1449static void d68020_cptrapcc_0(void)
1450{
1451 uint extension1;
1452 uint extension2;
1453 LIMIT_CPU_TYPES(M68020_PLUS);
1454 extension1 = read_imm_16();
1455 extension2 = read_imm_16();
1456 sprintf(g_dasm_str, "%dtrap%-4s; (extension = %x) (2-3)", (g_cpu_ir>>9)&7, g_cpcc[extension1&0x3f], extension2);
1457}
1458
1459static void d68020_cptrapcc_16(void)
1460{
1461 uint extension1;
1462 uint extension2;
1463 LIMIT_CPU_TYPES(M68020_PLUS);
1464 extension1 = read_imm_16();
1465 extension2 = read_imm_16();
1466 sprintf(g_dasm_str, "%dtrap%-4s %s; (extension = %x) (2-3)", (g_cpu_ir>>9)&7, g_cpcc[extension1&0x3f], get_imm_str_u16(), extension2);
1467}
1468
1469static void d68020_cptrapcc_32(void)
1470{
1471 uint extension1;
1472 uint extension2;
1473 LIMIT_CPU_TYPES(M68020_PLUS);
1474 extension1 = read_imm_16();
1475 extension2 = read_imm_16();
1476 sprintf(g_dasm_str, "%dtrap%-4s %s; (extension = %x) (2-3)", (g_cpu_ir>>9)&7, g_cpcc[extension1&0x3f], get_imm_str_u32(), extension2);
1477}
1478
1479static void d68040_cpush(void)
1480{
1481 LIMIT_CPU_TYPES(M68040_PLUS);
1482 switch((g_cpu_ir>>3)&3)
1483 {
1484 case 0:
1485 sprintf(g_dasm_str, "cpush (illegal scope); (4)");
1486 break;
1487 case 1:
1488 sprintf(g_dasm_str, "cpushl %d, (A%d); (4)", (g_cpu_ir>>6)&3, g_cpu_ir&7);
1489 break;
1490 case 2:
1491 sprintf(g_dasm_str, "cpushp %d, (A%d); (4)", (g_cpu_ir>>6)&3, g_cpu_ir&7);
1492 break;
1493 case 3:
1494 sprintf(g_dasm_str, "cpusha %d; (4)", (g_cpu_ir>>6)&3);
1495 break;
1496 }
1497}
1498
1499static void d68000_dbra(void)
1500{
1501 uint temp_pc = g_cpu_pc;
1502 sprintf(g_dasm_str, "dbra D%d, %x", g_cpu_ir & 7, temp_pc + make_int_16(read_imm_16()));
1503}
1504
1505static void d68000_dbcc(void)
1506{
1507 uint temp_pc = g_cpu_pc;
1508 sprintf(g_dasm_str, "db%-2s D%d, %x", g_cc[(g_cpu_ir>>8)&0xf], g_cpu_ir & 7, temp_pc + make_int_16(read_imm_16()));
1509}
1510
1511static void d68000_divs(void)
1512{
1513 sprintf(g_dasm_str, "divs.w %s, D%d", get_ea_mode_str_16(g_cpu_ir), (g_cpu_ir>>9)&7);
1514}
1515
1516static void d68000_divu(void)
1517{
1518 sprintf(g_dasm_str, "divu.w %s, D%d", get_ea_mode_str_16(g_cpu_ir), (g_cpu_ir>>9)&7);
1519}
1520
1521static void d68020_divl(void)
1522{
1523 uint extension;
1524 LIMIT_CPU_TYPES(M68020_PLUS);
1525 extension = read_imm_16();
1526
1527 if(BIT_A(extension))
1528 sprintf(g_dasm_str, "div%c.l %s, D%d:D%d; (2+)", BIT_B(extension) ? 's' : 'u', get_ea_mode_str_32(g_cpu_ir), extension&7, (extension>>12)&7);
1529 else if((extension&7) == ((extension>>12)&7))
1530 sprintf(g_dasm_str, "div%c.l %s, D%d; (2+)", BIT_B(extension) ? 's' : 'u', get_ea_mode_str_32(g_cpu_ir), (extension>>12)&7);
1531 else
1532 sprintf(g_dasm_str, "div%cl.l %s, D%d:D%d; (2+)", BIT_B(extension) ? 's' : 'u', get_ea_mode_str_32(g_cpu_ir), extension&7, (extension>>12)&7);
1533}
1534
1535static void d68000_eor_8(void)
1536{
1537 sprintf(g_dasm_str, "eor.b D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_8(g_cpu_ir));
1538}
1539
1540static void d68000_eor_16(void)
1541{
1542 sprintf(g_dasm_str, "eor.w D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_16(g_cpu_ir));
1543}
1544
1545static void d68000_eor_32(void)
1546{
1547 sprintf(g_dasm_str, "eor.l D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_32(g_cpu_ir));
1548}
1549
1550static void d68000_eori_8(void)
1551{
1552 char* str = get_imm_str_u8();
1553 sprintf(g_dasm_str, "eori.b %s, %s", str, get_ea_mode_str_8(g_cpu_ir));
1554}
1555
1556static void d68000_eori_16(void)
1557{
1558 char* str = get_imm_str_u16();
1559 sprintf(g_dasm_str, "eori.w %s, %s", str, get_ea_mode_str_16(g_cpu_ir));
1560}
1561
1562static void d68000_eori_32(void)
1563{
1564 char* str = get_imm_str_u32();
1565 sprintf(g_dasm_str, "eori.l %s, %s", str, get_ea_mode_str_32(g_cpu_ir));
1566}
1567
1568static void d68000_eori_to_ccr(void)
1569{
1570 sprintf(g_dasm_str, "eori %s, CCR", get_imm_str_u8());
1571}
1572
1573static void d68000_eori_to_sr(void)
1574{
1575 sprintf(g_dasm_str, "eori %s, SR", get_imm_str_u16());
1576}
1577
1578static void d68000_exg_dd(void)
1579{
1580 sprintf(g_dasm_str, "exg D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
1581}
1582
1583static void d68000_exg_aa(void)
1584{
1585 sprintf(g_dasm_str, "exg A%d, A%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
1586}
1587
1588static void d68000_exg_da(void)
1589{
1590 sprintf(g_dasm_str, "exg D%d, A%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
1591}
1592
1593static void d68000_ext_16(void)
1594{
1595 sprintf(g_dasm_str, "ext.w D%d", g_cpu_ir&7);
1596}
1597
1598static void d68000_ext_32(void)
1599{
1600 sprintf(g_dasm_str, "ext.l D%d", g_cpu_ir&7);
1601}
1602
1603static void d68020_extb_32(void)
1604{
1605 LIMIT_CPU_TYPES(M68020_PLUS);
1606 sprintf(g_dasm_str, "extb.l D%d; (2+)", g_cpu_ir&7);
1607}
1608
1609static void d68000_jmp(void)
1610{
1611 sprintf(g_dasm_str, "jmp %s", get_ea_mode_str_32(g_cpu_ir));
1612}
1613
1614static void d68000_jsr(void)
1615{
1616 sprintf(g_dasm_str, "jsr %s", get_ea_mode_str_32(g_cpu_ir));
1617}
1618
1619static void d68000_lea(void)
1620{
1621 sprintf(g_dasm_str, "lea %s, A%d", get_ea_mode_str_32(g_cpu_ir), (g_cpu_ir>>9)&7);
1622}
1623
1624static void d68000_link_16(void)
1625{
1626 sprintf(g_dasm_str, "link A%d, %s", g_cpu_ir&7, get_imm_str_s16());
1627}
1628
1629static void d68020_link_32(void)
1630{
1631 LIMIT_CPU_TYPES(M68020_PLUS);
1632 sprintf(g_dasm_str, "link A%d, %s; (2+)", g_cpu_ir&7, get_imm_str_s32());
1633}
1634
1635static void d68000_lsr_s_8(void)
1636{
1637 sprintf(g_dasm_str, "lsr.b #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
1638}
1639
1640static void d68000_lsr_s_16(void)
1641{
1642 sprintf(g_dasm_str, "lsr.w #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
1643}
1644
1645static void d68000_lsr_s_32(void)
1646{
1647 sprintf(g_dasm_str, "lsr.l #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
1648}
1649
1650static void d68000_lsr_r_8(void)
1651{
1652 sprintf(g_dasm_str, "lsr.b D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
1653}
1654
1655static void d68000_lsr_r_16(void)
1656{
1657 sprintf(g_dasm_str, "lsr.w D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
1658}
1659
1660static void d68000_lsr_r_32(void)
1661{
1662 sprintf(g_dasm_str, "lsr.l D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
1663}
1664
1665static void d68000_lsr_ea(void)
1666{
1667 sprintf(g_dasm_str, "lsr.w %s", get_ea_mode_str_32(g_cpu_ir));
1668}
1669
1670static void d68000_lsl_s_8(void)
1671{
1672 sprintf(g_dasm_str, "lsl.b #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
1673}
1674
1675static void d68000_lsl_s_16(void)
1676{
1677 sprintf(g_dasm_str, "lsl.w #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
1678}
1679
1680static void d68000_lsl_s_32(void)
1681{
1682 sprintf(g_dasm_str, "lsl.l #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
1683}
1684
1685static void d68000_lsl_r_8(void)
1686{
1687 sprintf(g_dasm_str, "lsl.b D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
1688}
1689
1690static void d68000_lsl_r_16(void)
1691{
1692 sprintf(g_dasm_str, "lsl.w D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
1693}
1694
1695static void d68000_lsl_r_32(void)
1696{
1697 sprintf(g_dasm_str, "lsl.l D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
1698}
1699
1700static void d68000_lsl_ea(void)
1701{
1702 sprintf(g_dasm_str, "lsl.w %s", get_ea_mode_str_32(g_cpu_ir));
1703}
1704
1705static void d68000_move_8(void)
1706{
1707 char* str = get_ea_mode_str_8(g_cpu_ir);
1708 sprintf(g_dasm_str, "move.b %s, %s", str, get_ea_mode_str_8(((g_cpu_ir>>9) & 7) | ((g_cpu_ir>>3) & 0x38)));
1709}
1710
1711static void d68000_move_16(void)
1712{
1713 char* str = get_ea_mode_str_16(g_cpu_ir);
1714 sprintf(g_dasm_str, "move.w %s, %s", str, get_ea_mode_str_16(((g_cpu_ir>>9) & 7) | ((g_cpu_ir>>3) & 0x38)));
1715}
1716
1717static void d68000_move_32(void)
1718{
1719 char* str = get_ea_mode_str_32(g_cpu_ir);
1720 sprintf(g_dasm_str, "move.l %s, %s", str, get_ea_mode_str_32(((g_cpu_ir>>9) & 7) | ((g_cpu_ir>>3) & 0x38)));
1721}
1722
1723static void d68000_movea_16(void)
1724{
1725 sprintf(g_dasm_str, "movea.w %s, A%d", get_ea_mode_str_16(g_cpu_ir), (g_cpu_ir>>9)&7);
1726}
1727
1728static void d68000_movea_32(void)
1729{
1730 sprintf(g_dasm_str, "movea.l %s, A%d", get_ea_mode_str_32(g_cpu_ir), (g_cpu_ir>>9)&7);
1731}
1732
1733static void d68000_move_to_ccr(void)
1734{
1735 sprintf(g_dasm_str, "move %s, CCR", get_ea_mode_str_8(g_cpu_ir));
1736}
1737
1738static void d68010_move_fr_ccr(void)
1739{
1740 LIMIT_CPU_TYPES(M68010_PLUS);
1741 sprintf(g_dasm_str, "move CCR, %s; (1+)", get_ea_mode_str_8(g_cpu_ir));
1742}
1743
1744static void d68000_move_fr_sr(void)
1745{
1746 sprintf(g_dasm_str, "move SR, %s", get_ea_mode_str_16(g_cpu_ir));
1747}
1748
1749static void d68000_move_to_sr(void)
1750{
1751 sprintf(g_dasm_str, "move %s, SR", get_ea_mode_str_16(g_cpu_ir));
1752}
1753
1754static void d68000_move_fr_usp(void)
1755{
1756 sprintf(g_dasm_str, "move USP, A%d", g_cpu_ir&7);
1757}
1758
1759static void d68000_move_to_usp(void)
1760{
1761 sprintf(g_dasm_str, "move A%d, USP", g_cpu_ir&7);
1762}
1763
1764static void d68010_movec(void)
1765{
1766 uint extension;
1767 char* reg_name;
1768 char* processor;
1769 LIMIT_CPU_TYPES(M68010_PLUS);
1770 extension = read_imm_16();
1771
1772 switch(extension & 0xfff)
1773 {
1774 case 0x000:
1775 reg_name = "SFC";
1776 processor = "1+";
1777 break;
1778 case 0x001:
1779 reg_name = "DFC";
1780 processor = "1+";
1781 break;
1782 case 0x800:
1783 reg_name = "USP";
1784 processor = "1+";
1785 break;
1786 case 0x801:
1787 reg_name = "VBR";
1788 processor = "1+";
1789 break;
1790 case 0x002:
1791 reg_name = "CACR";
1792 processor = "2+";
1793 break;
1794 case 0x802:
1795 reg_name = "CAAR";
1796 processor = "2,3";
1797 break;
1798 case 0x803:
1799 reg_name = "MSP";
1800 processor = "2+";
1801 break;
1802 case 0x804:
1803 reg_name = "ISP";
1804 processor = "2+";
1805 break;
1806 case 0x003:
1807 reg_name = "TC";
1808 processor = "4+";
1809 break;
1810 case 0x004:
1811 reg_name = "ITT0";
1812 processor = "4+";
1813 break;
1814 case 0x005:
1815 reg_name = "ITT1";
1816 processor = "4+";
1817 break;
1818 case 0x006:
1819 reg_name = "DTT0";
1820 processor = "4+";
1821 break;
1822 case 0x007:
1823 reg_name = "DTT1";
1824 processor = "4+";
1825 break;
1826 case 0x805:
1827 reg_name = "MMUSR";
1828 processor = "4+";
1829 break;
1830 case 0x806:
1831 reg_name = "URP";
1832 processor = "4+";
1833 break;
1834 case 0x807:
1835 reg_name = "SRP";
1836 processor = "4+";
1837 break;
1838 default:
1839 reg_name = make_signed_hex_str_16(extension & 0xfff);
1840 processor = "?";
1841 }
1842
1843 if(BIT_1(g_cpu_ir))
1844 sprintf(g_dasm_str, "movec %c%d, %s; (%s)", BIT_F(extension) ? 'A' : 'D', (extension>>12)&7, reg_name, processor);
1845 else
1846 sprintf(g_dasm_str, "movec %s, %c%d; (%s)", reg_name, BIT_F(extension) ? 'A' : 'D', (extension>>12)&7, processor);
1847}
1848
1849static void d68000_movem_pd_16(void)
1850{
1851 uint data = read_imm_16();
1852 char buffer[40];
1853 uint first;
1854 uint run_length;
1855 uint i;
1856
1857 buffer[0] = 0;
1858 for(i=0;i<8;i++)
1859 {
1860 if(data&(1<<(15-i)))
1861 {
1862 first = i;
1863 run_length = 0;
1864 while(i<7 && (data&(1<<(15-(i+1)))))
1865 {
1866 i++;
1867 run_length++;
1868 }
1869 if(buffer[0] != 0)
1870 strcat(buffer, "/");
1871 sprintf(buffer+strlen(buffer), "D%d", first);
1872 if(run_length > 0)
1873 sprintf(buffer+strlen(buffer), "-D%d", first + run_length);
1874 }
1875 }
1876 for(i=0;i<8;i++)
1877 {
1878 if(data&(1<<(7-i)))
1879 {
1880 first = i;
1881 run_length = 0;
1882 while(i<7 && (data&(1<<(7-(i+1)))))
1883 {
1884 i++;
1885 run_length++;
1886 }
1887 if(buffer[0] != 0)
1888 strcat(buffer, "/");
1889 sprintf(buffer+strlen(buffer), "A%d", first);
1890 if(run_length > 0)
1891 sprintf(buffer+strlen(buffer), "-A%d", first + run_length);
1892 }
1893 }
1894 sprintf(g_dasm_str, "movem.w %s, %s", buffer, get_ea_mode_str_16(g_cpu_ir));
1895}
1896
1897static void d68000_movem_pd_32(void)
1898{
1899 uint data = read_imm_16();
1900 char buffer[40];
1901 uint first;
1902 uint run_length;
1903 uint i;
1904
1905 buffer[0] = 0;
1906 for(i=0;i<8;i++)
1907 {
1908 if(data&(1<<(15-i)))
1909 {
1910 first = i;
1911 run_length = 0;
1912 while(i<7 && (data&(1<<(15-(i+1)))))
1913 {
1914 i++;
1915 run_length++;
1916 }
1917 if(buffer[0] != 0)
1918 strcat(buffer, "/");
1919 sprintf(buffer+strlen(buffer), "D%d", first);
1920 if(run_length > 0)
1921 sprintf(buffer+strlen(buffer), "-D%d", first + run_length);
1922 }
1923 }
1924 for(i=0;i<8;i++)
1925 {
1926 if(data&(1<<(7-i)))
1927 {
1928 first = i;
1929 run_length = 0;
1930 while(i<7 && (data&(1<<(7-(i+1)))))
1931 {
1932 i++;
1933 run_length++;
1934 }
1935 if(buffer[0] != 0)
1936 strcat(buffer, "/");
1937 sprintf(buffer+strlen(buffer), "A%d", first);
1938 if(run_length > 0)
1939 sprintf(buffer+strlen(buffer), "-A%d", first + run_length);
1940 }
1941 }
1942 sprintf(g_dasm_str, "movem.l %s, %s", buffer, get_ea_mode_str_32(g_cpu_ir));
1943}
1944
1945static void d68000_movem_er_16(void)
1946{
1947 uint data = read_imm_16();
1948 char buffer[40];
1949 uint first;
1950 uint run_length;
1951 uint i;
1952
1953 buffer[0] = 0;
1954 for(i=0;i<8;i++)
1955 {
1956 if(data&(1<<i))
1957 {
1958 first = i;
1959 run_length = 0;
1960 while(i<7 && (data&(1<<(i+1))))
1961 {
1962 i++;
1963 run_length++;
1964 }
1965 if(buffer[0] != 0)
1966 strcat(buffer, "/");
1967 sprintf(buffer+strlen(buffer), "D%d", first);
1968 if(run_length > 0)
1969 sprintf(buffer+strlen(buffer), "-D%d", first + run_length);
1970 }
1971 }
1972 for(i=0;i<8;i++)
1973 {
1974 if(data&(1<<(i+8)))
1975 {
1976 first = i;
1977 run_length = 0;
1978 while(i<7 && (data&(1<<(i+8+1))))
1979 {
1980 i++;
1981 run_length++;
1982 }
1983 if(buffer[0] != 0)
1984 strcat(buffer, "/");
1985 sprintf(buffer+strlen(buffer), "A%d", first);
1986 if(run_length > 0)
1987 sprintf(buffer+strlen(buffer), "-A%d", first + run_length);
1988 }
1989 }
1990 sprintf(g_dasm_str, "movem.w %s, %s", get_ea_mode_str_16(g_cpu_ir), buffer);
1991}
1992
1993static void d68000_movem_er_32(void)
1994{
1995 uint data = read_imm_16();
1996 char buffer[40];
1997 uint first;
1998 uint run_length;
1999 uint i;
2000
2001 buffer[0] = 0;
2002 for(i=0;i<8;i++)
2003 {
2004 if(data&(1<<i))
2005 {
2006 first = i;
2007 run_length = 0;
2008 while(i<7 && (data&(1<<(i+1))))
2009 {
2010 i++;
2011 run_length++;
2012 }
2013 if(buffer[0] != 0)
2014 strcat(buffer, "/");
2015 sprintf(buffer+strlen(buffer), "D%d", first);
2016 if(run_length > 0)
2017 sprintf(buffer+strlen(buffer), "-D%d", first + run_length);
2018 }
2019 }
2020 for(i=0;i<8;i++)
2021 {
2022 if(data&(1<<(i+8)))
2023 {
2024 first = i;
2025 run_length = 0;
2026 while(i<7 && (data&(1<<(i+8+1))))
2027 {
2028 i++;
2029 run_length++;
2030 }
2031 if(buffer[0] != 0)
2032 strcat(buffer, "/");
2033 sprintf(buffer+strlen(buffer), "A%d", first);
2034 if(run_length > 0)
2035 sprintf(buffer+strlen(buffer), "-A%d", first + run_length);
2036 }
2037 }
2038 sprintf(g_dasm_str, "movem.l %s, %s", get_ea_mode_str_32(g_cpu_ir), buffer);
2039}
2040
2041static void d68000_movem_re_16(void)
2042{
2043 uint data = read_imm_16();
2044 char buffer[40];
2045 uint first;
2046 uint run_length;
2047 uint i;
2048
2049 buffer[0] = 0;
2050 for(i=0;i<8;i++)
2051 {
2052 if(data&(1<<i))
2053 {
2054 first = i;
2055 run_length = 0;
2056 while(i<7 && (data&(1<<(i+1))))
2057 {
2058 i++;
2059 run_length++;
2060 }
2061 if(buffer[0] != 0)
2062 strcat(buffer, "/");
2063 sprintf(buffer+strlen(buffer), "D%d", first);
2064 if(run_length > 0)
2065 sprintf(buffer+strlen(buffer), "-D%d", first + run_length);
2066 }
2067 }
2068 for(i=0;i<8;i++)
2069 {
2070 if(data&(1<<(i+8)))
2071 {
2072 first = i;
2073 run_length = 0;
2074 while(i<7 && (data&(1<<(i+8+1))))
2075 {
2076 i++;
2077 run_length++;
2078 }
2079 if(buffer[0] != 0)
2080 strcat(buffer, "/");
2081 sprintf(buffer+strlen(buffer), "A%d", first);
2082 if(run_length > 0)
2083 sprintf(buffer+strlen(buffer), "-A%d", first + run_length);
2084 }
2085 }
2086 sprintf(g_dasm_str, "movem.w %s, %s", buffer, get_ea_mode_str_16(g_cpu_ir));
2087}
2088
2089static void d68000_movem_re_32(void)
2090{
2091 uint data = read_imm_16();
2092 char buffer[40];
2093 uint first;
2094 uint run_length;
2095 uint i;
2096
2097 buffer[0] = 0;
2098 for(i=0;i<8;i++)
2099 {
2100 if(data&(1<<i))
2101 {
2102 first = i;
2103 run_length = 0;
2104 while(i<7 && (data&(1<<(i+1))))
2105 {
2106 i++;
2107 run_length++;
2108 }
2109 if(buffer[0] != 0)
2110 strcat(buffer, "/");
2111 sprintf(buffer+strlen(buffer), "D%d", first);
2112 if(run_length > 0)
2113 sprintf(buffer+strlen(buffer), "-D%d", first + run_length);
2114 }
2115 }
2116 for(i=0;i<8;i++)
2117 {
2118 if(data&(1<<(i+8)))
2119 {
2120 first = i;
2121 run_length = 0;
2122 while(i<7 && (data&(1<<(i+8+1))))
2123 {
2124 i++;
2125 run_length++;
2126 }
2127 if(buffer[0] != 0)
2128 strcat(buffer, "/");
2129 sprintf(buffer+strlen(buffer), "A%d", first);
2130 if(run_length > 0)
2131 sprintf(buffer+strlen(buffer), "-A%d", first + run_length);
2132 }
2133 }
2134 sprintf(g_dasm_str, "movem.l %s, %s", buffer, get_ea_mode_str_32(g_cpu_ir));
2135}
2136
2137static void d68000_movep_re_16(void)
2138{
2139 sprintf(g_dasm_str, "movep.w D%d, ($%x,A%d)", (g_cpu_ir>>9)&7, read_imm_16(), g_cpu_ir&7);
2140}
2141
2142static void d68000_movep_re_32(void)
2143{
2144 sprintf(g_dasm_str, "movep.l D%d, ($%x,A%d)", (g_cpu_ir>>9)&7, read_imm_16(), g_cpu_ir&7);
2145}
2146
2147static void d68000_movep_er_16(void)
2148{
2149 sprintf(g_dasm_str, "movep.w ($%x,A%d), D%d", read_imm_16(), g_cpu_ir&7, (g_cpu_ir>>9)&7);
2150}
2151
2152static void d68000_movep_er_32(void)
2153{
2154 sprintf(g_dasm_str, "movep.l ($%x,A%d), D%d", read_imm_16(), g_cpu_ir&7, (g_cpu_ir>>9)&7);
2155}
2156
2157static void d68010_moves_8(void)
2158{
2159 uint extension;
2160 LIMIT_CPU_TYPES(M68010_PLUS);
2161 extension = read_imm_16();
2162 if(BIT_B(extension))
2163 sprintf(g_dasm_str, "moves.b %c%d, %s; (1+)", BIT_F(extension) ? 'A' : 'D', (extension>>12)&7, get_ea_mode_str_8(g_cpu_ir));
2164 else
2165 sprintf(g_dasm_str, "moves.b %s, %c%d; (1+)", get_ea_mode_str_8(g_cpu_ir), BIT_F(extension) ? 'A' : 'D', (extension>>12)&7);
2166}
2167
2168static void d68010_moves_16(void)
2169{
2170 uint extension;
2171 LIMIT_CPU_TYPES(M68010_PLUS);
2172 extension = read_imm_16();
2173 if(BIT_B(extension))
2174 sprintf(g_dasm_str, "moves.w %c%d, %s; (1+)", BIT_F(extension) ? 'A' : 'D', (extension>>12)&7, get_ea_mode_str_16(g_cpu_ir));
2175 else
2176 sprintf(g_dasm_str, "moves.w %s, %c%d; (1+)", get_ea_mode_str_16(g_cpu_ir), BIT_F(extension) ? 'A' : 'D', (extension>>12)&7);
2177}
2178
2179static void d68010_moves_32(void)
2180{
2181 uint extension;
2182 LIMIT_CPU_TYPES(M68010_PLUS);
2183 extension = read_imm_16();
2184 if(BIT_B(extension))
2185 sprintf(g_dasm_str, "moves.l %c%d, %s; (1+)", BIT_F(extension) ? 'A' : 'D', (extension>>12)&7, get_ea_mode_str_32(g_cpu_ir));
2186 else
2187 sprintf(g_dasm_str, "moves.l %s, %c%d; (1+)", get_ea_mode_str_32(g_cpu_ir), BIT_F(extension) ? 'A' : 'D', (extension>>12)&7);
2188}
2189
2190static void d68000_moveq(void)
2191{
2192 sprintf(g_dasm_str, "moveq #%s, D%d", make_signed_hex_str_8(g_cpu_ir), (g_cpu_ir>>9)&7);
2193}
2194
2195static void d68040_move16_pi_pi(void)
2196{
2197 LIMIT_CPU_TYPES(M68040_PLUS);
2198 sprintf(g_dasm_str, "move16 (A%d)+, (A%d)+; (4)", g_cpu_ir&7, (read_imm_16()>>12)&7);
2199}
2200
2201static void d68040_move16_pi_al(void)
2202{
2203 LIMIT_CPU_TYPES(M68040_PLUS);
2204 sprintf(g_dasm_str, "move16 (A%d)+, %s; (4)", g_cpu_ir&7, get_imm_str_u32());
2205}
2206
2207static void d68040_move16_al_pi(void)
2208{
2209 LIMIT_CPU_TYPES(M68040_PLUS);
2210 sprintf(g_dasm_str, "move16 %s, (A%d)+; (4)", get_imm_str_u32(), g_cpu_ir&7);
2211}
2212
2213static void d68040_move16_ai_al(void)
2214{
2215 LIMIT_CPU_TYPES(M68040_PLUS);
2216 sprintf(g_dasm_str, "move16 (A%d), %s; (4)", g_cpu_ir&7, get_imm_str_u32());
2217}
2218
2219static void d68040_move16_al_ai(void)
2220{
2221 LIMIT_CPU_TYPES(M68040_PLUS);
2222 sprintf(g_dasm_str, "move16 %s, (A%d); (4)", get_imm_str_u32(), g_cpu_ir&7);
2223}
2224
2225static void d68000_muls(void)
2226{
2227 sprintf(g_dasm_str, "muls.w %s, D%d", get_ea_mode_str_16(g_cpu_ir), (g_cpu_ir>>9)&7);
2228}
2229
2230static void d68000_mulu(void)
2231{
2232 sprintf(g_dasm_str, "mulu.w %s, D%d", get_ea_mode_str_16(g_cpu_ir), (g_cpu_ir>>9)&7);
2233}
2234
2235static void d68020_mull(void)
2236{
2237 uint extension;
2238 LIMIT_CPU_TYPES(M68020_PLUS);
2239 extension = read_imm_16();
2240
2241 if(BIT_A(extension))
2242 sprintf(g_dasm_str, "mul%c.l %s, D%d:D%d; (2+)", BIT_B(extension) ? 's' : 'u', get_ea_mode_str_32(g_cpu_ir), extension&7, (extension>>12)&7);
2243 else
2244 sprintf(g_dasm_str, "mul%c.l %s, D%d; (2+)", BIT_B(extension) ? 's' : 'u', get_ea_mode_str_32(g_cpu_ir), (extension>>12)&7);
2245}
2246
2247static void d68000_nbcd(void)
2248{
2249 sprintf(g_dasm_str, "nbcd %s", get_ea_mode_str_8(g_cpu_ir));
2250}
2251
2252static void d68000_neg_8(void)
2253{
2254 sprintf(g_dasm_str, "neg.b %s", get_ea_mode_str_8(g_cpu_ir));
2255}
2256
2257static void d68000_neg_16(void)
2258{
2259 sprintf(g_dasm_str, "neg.w %s", get_ea_mode_str_16(g_cpu_ir));
2260}
2261
2262static void d68000_neg_32(void)
2263{
2264 sprintf(g_dasm_str, "neg.l %s", get_ea_mode_str_32(g_cpu_ir));
2265}
2266
2267static void d68000_negx_8(void)
2268{
2269 sprintf(g_dasm_str, "negx.b %s", get_ea_mode_str_8(g_cpu_ir));
2270}
2271
2272static void d68000_negx_16(void)
2273{
2274 sprintf(g_dasm_str, "negx.w %s", get_ea_mode_str_16(g_cpu_ir));
2275}
2276
2277static void d68000_negx_32(void)
2278{
2279 sprintf(g_dasm_str, "negx.l %s", get_ea_mode_str_32(g_cpu_ir));
2280}
2281
2282static void d68000_nop(void)
2283{
2284 sprintf(g_dasm_str, "nop");
2285}
2286
2287static void d68000_not_8(void)
2288{
2289 sprintf(g_dasm_str, "not.b %s", get_ea_mode_str_8(g_cpu_ir));
2290}
2291
2292static void d68000_not_16(void)
2293{
2294 sprintf(g_dasm_str, "not.w %s", get_ea_mode_str_16(g_cpu_ir));
2295}
2296
2297static void d68000_not_32(void)
2298{
2299 sprintf(g_dasm_str, "not.l %s", get_ea_mode_str_32(g_cpu_ir));
2300}
2301
2302static void d68000_or_er_8(void)
2303{
2304 sprintf(g_dasm_str, "or.b %s, D%d", get_ea_mode_str_8(g_cpu_ir), (g_cpu_ir>>9)&7);
2305}
2306
2307static void d68000_or_er_16(void)
2308{
2309 sprintf(g_dasm_str, "or.w %s, D%d", get_ea_mode_str_16(g_cpu_ir), (g_cpu_ir>>9)&7);
2310}
2311
2312static void d68000_or_er_32(void)
2313{
2314 sprintf(g_dasm_str, "or.l %s, D%d", get_ea_mode_str_32(g_cpu_ir), (g_cpu_ir>>9)&7);
2315}
2316
2317static void d68000_or_re_8(void)
2318{
2319 sprintf(g_dasm_str, "or.b D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_8(g_cpu_ir));
2320}
2321
2322static void d68000_or_re_16(void)
2323{
2324 sprintf(g_dasm_str, "or.w D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_16(g_cpu_ir));
2325}
2326
2327static void d68000_or_re_32(void)
2328{
2329 sprintf(g_dasm_str, "or.l D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_32(g_cpu_ir));
2330}
2331
2332static void d68000_ori_8(void)
2333{
2334 char* str = get_imm_str_u8();
2335 sprintf(g_dasm_str, "ori.b %s, %s", str, get_ea_mode_str_8(g_cpu_ir));
2336}
2337
2338static void d68000_ori_16(void)
2339{
2340 char* str = get_imm_str_u16();
2341 sprintf(g_dasm_str, "ori.w %s, %s", str, get_ea_mode_str_16(g_cpu_ir));
2342}
2343
2344static void d68000_ori_32(void)
2345{
2346 char* str = get_imm_str_u32();
2347 sprintf(g_dasm_str, "ori.l %s, %s", str, get_ea_mode_str_32(g_cpu_ir));
2348}
2349
2350static void d68000_ori_to_ccr(void)
2351{
2352 sprintf(g_dasm_str, "ori %s, CCR", get_imm_str_u8());
2353}
2354
2355static void d68000_ori_to_sr(void)
2356{
2357 sprintf(g_dasm_str, "ori %s, SR", get_imm_str_u16());
2358}
2359
2360static void d68020_pack_rr(void)
2361{
2362 LIMIT_CPU_TYPES(M68020_PLUS);
2363 sprintf(g_dasm_str, "pack D%d, D%d, %s; (2+)", g_cpu_ir&7, (g_cpu_ir>>9)&7, get_imm_str_u16());
2364}
2365
2366static void d68020_pack_mm(void)
2367{
2368 LIMIT_CPU_TYPES(M68020_PLUS);
2369 sprintf(g_dasm_str, "pack -(A%d), -(A%d), %s; (2+)", g_cpu_ir&7, (g_cpu_ir>>9)&7, get_imm_str_u16());
2370}
2371
2372static void d68000_pea(void)
2373{
2374 sprintf(g_dasm_str, "pea %s", get_ea_mode_str_32(g_cpu_ir));
2375}
2376
2377static void d68000_reset(void)
2378{
2379 sprintf(g_dasm_str, "reset");
2380}
2381
2382static void d68000_ror_s_8(void)
2383{
2384 sprintf(g_dasm_str, "ror.b #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
2385}
2386
2387static void d68000_ror_s_16(void)
2388{
2389 sprintf(g_dasm_str, "ror.w #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7],g_cpu_ir&7);
2390}
2391
2392static void d68000_ror_s_32(void)
2393{
2394 sprintf(g_dasm_str, "ror.l #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
2395}
2396
2397static void d68000_ror_r_8(void)
2398{
2399 sprintf(g_dasm_str, "ror.b D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
2400}
2401
2402static void d68000_ror_r_16(void)
2403{
2404 sprintf(g_dasm_str, "ror.w D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
2405}
2406
2407static void d68000_ror_r_32(void)
2408{
2409 sprintf(g_dasm_str, "ror.l D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
2410}
2411
2412static void d68000_ror_ea(void)
2413{
2414 sprintf(g_dasm_str, "ror.w %s", get_ea_mode_str_32(g_cpu_ir));
2415}
2416
2417static void d68000_rol_s_8(void)
2418{
2419 sprintf(g_dasm_str, "rol.b #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
2420}
2421
2422static void d68000_rol_s_16(void)
2423{
2424 sprintf(g_dasm_str, "rol.w #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
2425}
2426
2427static void d68000_rol_s_32(void)
2428{
2429 sprintf(g_dasm_str, "rol.l #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
2430}
2431
2432static void d68000_rol_r_8(void)
2433{
2434 sprintf(g_dasm_str, "rol.b D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
2435}
2436
2437static void d68000_rol_r_16(void)
2438{
2439 sprintf(g_dasm_str, "rol.w D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
2440}
2441
2442static void d68000_rol_r_32(void)
2443{
2444 sprintf(g_dasm_str, "rol.l D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
2445}
2446
2447static void d68000_rol_ea(void)
2448{
2449 sprintf(g_dasm_str, "rol.w %s", get_ea_mode_str_32(g_cpu_ir));
2450}
2451
2452static void d68000_roxr_s_8(void)
2453{
2454 sprintf(g_dasm_str, "roxr.b #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
2455}
2456
2457static void d68000_roxr_s_16(void)
2458{
2459 sprintf(g_dasm_str, "roxr.w #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
2460}
2461
2462
2463static void d68000_roxr_s_32(void)
2464{
2465 sprintf(g_dasm_str, "roxr.l #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
2466}
2467
2468static void d68000_roxr_r_8(void)
2469{
2470 sprintf(g_dasm_str, "roxr.b D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
2471}
2472
2473static void d68000_roxr_r_16(void)
2474{
2475 sprintf(g_dasm_str, "roxr.w D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
2476}
2477
2478static void d68000_roxr_r_32(void)
2479{
2480 sprintf(g_dasm_str, "roxr.l D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
2481}
2482
2483static void d68000_roxr_ea(void)
2484{
2485 sprintf(g_dasm_str, "roxr.w %s", get_ea_mode_str_32(g_cpu_ir));
2486}
2487
2488static void d68000_roxl_s_8(void)
2489{
2490 sprintf(g_dasm_str, "roxl.b #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
2491}
2492
2493static void d68000_roxl_s_16(void)
2494{
2495 sprintf(g_dasm_str, "roxl.w #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
2496}
2497
2498static void d68000_roxl_s_32(void)
2499{
2500 sprintf(g_dasm_str, "roxl.l #%d, D%d", g_3bit_qdata_table[(g_cpu_ir>>9)&7], g_cpu_ir&7);
2501}
2502
2503static void d68000_roxl_r_8(void)
2504{
2505 sprintf(g_dasm_str, "roxl.b D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
2506}
2507
2508static void d68000_roxl_r_16(void)
2509{
2510 sprintf(g_dasm_str, "roxl.w D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
2511}
2512
2513static void d68000_roxl_r_32(void)
2514{
2515 sprintf(g_dasm_str, "roxl.l D%d, D%d", (g_cpu_ir>>9)&7, g_cpu_ir&7);
2516}
2517
2518static void d68000_roxl_ea(void)
2519{
2520 sprintf(g_dasm_str, "roxl.w %s", get_ea_mode_str_32(g_cpu_ir));
2521}
2522
2523static void d68010_rtd(void)
2524{
2525 LIMIT_CPU_TYPES(M68010_PLUS);
2526 sprintf(g_dasm_str, "rtd %s; (1+)", get_imm_str_s16());
2527}
2528
2529static void d68000_rte(void)
2530{
2531 sprintf(g_dasm_str, "rte");
2532}
2533
2534static void d68020_rtm(void)
2535{
2536 LIMIT_CPU_TYPES(M68020_ONLY);
2537 sprintf(g_dasm_str, "rtm %c%d; (2+)", BIT_3(g_cpu_ir) ? 'A' : 'D', g_cpu_ir&7);
2538}
2539
2540static void d68000_rtr(void)
2541{
2542 sprintf(g_dasm_str, "rtr");
2543}
2544
2545static void d68000_rts(void)
2546{
2547 sprintf(g_dasm_str, "rts");
2548}
2549
2550static void d68000_sbcd_rr(void)
2551{
2552 sprintf(g_dasm_str, "sbcd D%d, D%d", g_cpu_ir&7, (g_cpu_ir>>9)&7);
2553}
2554
2555static void d68000_sbcd_mm(void)
2556{
2557 sprintf(g_dasm_str, "sbcd -(A%d), -(A%d)", g_cpu_ir&7, (g_cpu_ir>>9)&7);
2558}
2559
2560static void d68000_scc(void)
2561{
2562 sprintf(g_dasm_str, "s%-2s %s", g_cc[(g_cpu_ir>>8)&0xf], get_ea_mode_str_8(g_cpu_ir));
2563}
2564
2565static void d68000_stop(void)
2566{
2567 sprintf(g_dasm_str, "stop %s", get_imm_str_s16());
2568}
2569
2570static void d68000_sub_er_8(void)
2571{
2572 sprintf(g_dasm_str, "sub.b %s, D%d", get_ea_mode_str_8(g_cpu_ir), (g_cpu_ir>>9)&7);
2573}
2574
2575static void d68000_sub_er_16(void)
2576{
2577 sprintf(g_dasm_str, "sub.w %s, D%d", get_ea_mode_str_16(g_cpu_ir), (g_cpu_ir>>9)&7);
2578}
2579
2580static void d68000_sub_er_32(void)
2581{
2582 sprintf(g_dasm_str, "sub.l %s, D%d", get_ea_mode_str_32(g_cpu_ir), (g_cpu_ir>>9)&7);
2583}
2584
2585static void d68000_sub_re_8(void)
2586{
2587 sprintf(g_dasm_str, "sub.b D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_8(g_cpu_ir));
2588}
2589
2590static void d68000_sub_re_16(void)
2591{
2592 sprintf(g_dasm_str, "sub.w D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_16(g_cpu_ir));
2593}
2594
2595static void d68000_sub_re_32(void)
2596{
2597 sprintf(g_dasm_str, "sub.l D%d, %s", (g_cpu_ir>>9)&7, get_ea_mode_str_32(g_cpu_ir));
2598}
2599
2600static void d68000_suba_16(void)
2601{
2602 sprintf(g_dasm_str, "suba.w %s, A%d", get_ea_mode_str_16(g_cpu_ir), (g_cpu_ir>>9)&7);
2603}
2604
2605static void d68000_suba_32(void)
2606{
2607 sprintf(g_dasm_str, "suba.l %s, A%d", get_ea_mode_str_32(g_cpu_ir), (g_cpu_ir>>9)&7);
2608}
2609
2610static void d68000_subi_8(void)
2611{
2612 char* str = get_imm_str_s8();
2613 sprintf(g_dasm_str, "subi.b %s, %s", str, get_ea_mode_str_8(g_cpu_ir));
2614}
2615
2616static void d68000_subi_16(void)
2617{
2618 char* str = get_imm_str_s16();
2619 sprintf(g_dasm_str, "subi.w %s, %s", str, get_ea_mode_str_16(g_cpu_ir));
2620}
2621
2622static void d68000_subi_32(void)
2623{
2624 char* str = get_imm_str_s32();
2625 sprintf(g_dasm_str, "subi.l %s, %s", str, get_ea_mode_str_32(g_cpu_ir));
2626}
2627
2628static void d68000_subq_8(void)
2629{
2630 sprintf(g_dasm_str, "subq.b #%d, %s", g_3bit_qdata_table[(g_cpu_ir>>9)&7], get_ea_mode_str_8(g_cpu_ir));
2631}
2632
2633static void d68000_subq_16(void)
2634{
2635 sprintf(g_dasm_str, "subq.w #%d, %s", g_3bit_qdata_table[(g_cpu_ir>>9)&7], get_ea_mode_str_16(g_cpu_ir));
2636}
2637
2638static void d68000_subq_32(void)
2639{
2640 sprintf(g_dasm_str, "subq.l #%d, %s", g_3bit_qdata_table[(g_cpu_ir>>9)&7], get_ea_mode_str_32(g_cpu_ir));
2641}
2642
2643static void d68000_subx_rr_8(void)
2644{
2645 sprintf(g_dasm_str, "subx.b D%d, D%d", g_cpu_ir&7, (g_cpu_ir>>9)&7);
2646}
2647
2648static void d68000_subx_rr_16(void)
2649{
2650 sprintf(g_dasm_str, "subx.w D%d, D%d", g_cpu_ir&7, (g_cpu_ir>>9)&7);
2651}
2652
2653static void d68000_subx_rr_32(void)
2654{
2655 sprintf(g_dasm_str, "subx.l D%d, D%d", g_cpu_ir&7, (g_cpu_ir>>9)&7);
2656}
2657
2658static void d68000_subx_mm_8(void)
2659{
2660 sprintf(g_dasm_str, "subx.b -(A%d), -(A%d)", g_cpu_ir&7, (g_cpu_ir>>9)&7);
2661}
2662
2663static void d68000_subx_mm_16(void)
2664{
2665 sprintf(g_dasm_str, "subx.w -(A%d), -(A%d)", g_cpu_ir&7, (g_cpu_ir>>9)&7);
2666}
2667
2668static void d68000_subx_mm_32(void)
2669{
2670 sprintf(g_dasm_str, "subx.l -(A%d), -(A%d)", g_cpu_ir&7, (g_cpu_ir>>9)&7);
2671}
2672
2673static void d68000_swap(void)
2674{
2675 sprintf(g_dasm_str, "swap D%d", g_cpu_ir&7);
2676}
2677
2678static void d68000_tas(void)
2679{
2680 sprintf(g_dasm_str, "tas %s", get_ea_mode_str_8(g_cpu_ir));
2681}
2682
2683static void d68000_trap(void)
2684{
2685 sprintf(g_dasm_str, "trap #$%x", g_cpu_ir&0xf);
2686}
2687
2688static void d68020_trapcc_0(void)
2689{
2690 LIMIT_CPU_TYPES(M68020_PLUS);
2691 sprintf(g_dasm_str, "trap%-2s; (2+)", g_cc[(g_cpu_ir>>8)&0xf]);
2692}
2693
2694static void d68020_trapcc_16(void)
2695{
2696 LIMIT_CPU_TYPES(M68020_PLUS);
2697 sprintf(g_dasm_str, "trap%-2s %s; (2+)", g_cc[(g_cpu_ir>>8)&0xf], get_imm_str_u16());
2698}
2699
2700static void d68020_trapcc_32(void)
2701{
2702 LIMIT_CPU_TYPES(M68020_PLUS);
2703 sprintf(g_dasm_str, "trap%-2s %s; (2+)", g_cc[(g_cpu_ir>>8)&0xf], get_imm_str_u32());
2704}
2705
2706static void d68000_trapv(void)
2707{
2708 sprintf(g_dasm_str, "trapv");
2709}
2710
2711static void d68000_tst_8(void)
2712{
2713 sprintf(g_dasm_str, "tst.b %s", get_ea_mode_str_8(g_cpu_ir));
2714}
2715
2716static void d68020_tst_pcdi_8(void)
2717{
2718 LIMIT_CPU_TYPES(M68020_PLUS);
2719 sprintf(g_dasm_str, "tst.b %s; (2+)", get_ea_mode_str_8(g_cpu_ir));
2720}
2721
2722static void d68020_tst_pcix_8(void)
2723{
2724 LIMIT_CPU_TYPES(M68020_PLUS);
2725 sprintf(g_dasm_str, "tst.b %s; (2+)", get_ea_mode_str_8(g_cpu_ir));
2726}
2727
2728static void d68020_tst_i_8(void)
2729{
2730 LIMIT_CPU_TYPES(M68020_PLUS);
2731 sprintf(g_dasm_str, "tst.b %s; (2+)", get_ea_mode_str_8(g_cpu_ir));
2732}
2733
2734static void d68000_tst_16(void)
2735{
2736 sprintf(g_dasm_str, "tst.w %s", get_ea_mode_str_16(g_cpu_ir));
2737}
2738
2739static void d68020_tst_a_16(void)
2740{
2741 LIMIT_CPU_TYPES(M68020_PLUS);
2742 sprintf(g_dasm_str, "tst.w %s; (2+)", get_ea_mode_str_16(g_cpu_ir));
2743}
2744
2745static void d68020_tst_pcdi_16(void)
2746{
2747 LIMIT_CPU_TYPES(M68020_PLUS);
2748 sprintf(g_dasm_str, "tst.w %s; (2+)", get_ea_mode_str_16(g_cpu_ir));
2749}
2750
2751static void d68020_tst_pcix_16(void)
2752{
2753 LIMIT_CPU_TYPES(M68020_PLUS);
2754 sprintf(g_dasm_str, "tst.w %s; (2+)", get_ea_mode_str_16(g_cpu_ir));
2755}
2756
2757static void d68020_tst_i_16(void)
2758{
2759 LIMIT_CPU_TYPES(M68020_PLUS);
2760 sprintf(g_dasm_str, "tst.w %s; (2+)", get_ea_mode_str_16(g_cpu_ir));
2761}
2762
2763static void d68000_tst_32(void)
2764{
2765 sprintf(g_dasm_str, "tst.l %s", get_ea_mode_str_32(g_cpu_ir));
2766}
2767
2768static void d68020_tst_a_32(void)
2769{
2770 LIMIT_CPU_TYPES(M68020_PLUS);
2771 sprintf(g_dasm_str, "tst.l %s; (2+)", get_ea_mode_str_32(g_cpu_ir));
2772}
2773
2774static void d68020_tst_pcdi_32(void)
2775{
2776 LIMIT_CPU_TYPES(M68020_PLUS);
2777 sprintf(g_dasm_str, "tst.l %s; (2+)", get_ea_mode_str_32(g_cpu_ir));
2778}
2779
2780static void d68020_tst_pcix_32(void)
2781{
2782 LIMIT_CPU_TYPES(M68020_PLUS);
2783 sprintf(g_dasm_str, "tst.l %s; (2+)", get_ea_mode_str_32(g_cpu_ir));
2784}
2785
2786static void d68020_tst_i_32(void)
2787{
2788 LIMIT_CPU_TYPES(M68020_PLUS);
2789 sprintf(g_dasm_str, "tst.l %s; (2+)", get_ea_mode_str_32(g_cpu_ir));
2790}
2791
2792static void d68000_unlk(void)
2793{
2794 sprintf(g_dasm_str, "unlk A%d", g_cpu_ir&7);
2795}
2796
2797static void d68020_unpk_rr(void)
2798{
2799 LIMIT_CPU_TYPES(M68020_PLUS);
2800 sprintf(g_dasm_str, "unpk D%d, D%d, %s; (2+)", g_cpu_ir&7, (g_cpu_ir>>9)&7, get_imm_str_u16());
2801}
2802
2803static void d68020_unpk_mm(void)
2804{
2805 LIMIT_CPU_TYPES(M68020_PLUS);
2806 sprintf(g_dasm_str, "unpk -(A%d), -(A%d), %s; (2+)", g_cpu_ir&7, (g_cpu_ir>>9)&7, get_imm_str_u16());
2807}
2808
2809
2810
2811/* ======================================================================== */
2812/* ======================= INSTRUCTION TABLE BUILDER ====================== */
2813/* ======================================================================== */
2814
2815/* EA Masks:
2816800 = data register direct
2817400 = address register direct
2818200 = address register indirect
2819100 = ARI postincrement
2820 80 = ARI pre-decrement
2821 40 = ARI displacement
2822 20 = ARI index
2823 10 = absolute short
2824 8 = absolute long
2825 4 = immediate / sr
2826 2 = pc displacement
2827 1 = pc idx
2828*/
2829
2830static opcode_struct g_opcode_info[] =
2831{
2832/* opcode handler mask match ea mask */
2833 {d68000_1010 , 0xf000, 0xa000, 0x000},
2834 {d68000_1111 , 0xf000, 0xf000, 0x000},
2835 {d68000_abcd_rr , 0xf1f8, 0xc100, 0x000},
2836 {d68000_abcd_mm , 0xf1f8, 0xc108, 0x000},
2837 {d68000_add_er_8 , 0xf1c0, 0xd000, 0xbff},
2838 {d68000_add_er_16 , 0xf1c0, 0xd040, 0xfff},
2839 {d68000_add_er_32 , 0xf1c0, 0xd080, 0xfff},
2840 {d68000_add_re_8 , 0xf1c0, 0xd100, 0x3f8},
2841 {d68000_add_re_16 , 0xf1c0, 0xd140, 0x3f8},
2842 {d68000_add_re_32 , 0xf1c0, 0xd180, 0x3f8},
2843 {d68000_adda_16 , 0xf1c0, 0xd0c0, 0xfff},
2844 {d68000_adda_32 , 0xf1c0, 0xd1c0, 0xfff},
2845 {d68000_addi_8 , 0xffc0, 0x0600, 0xbf8},
2846 {d68000_addi_16 , 0xffc0, 0x0640, 0xbf8},
2847 {d68000_addi_32 , 0xffc0, 0x0680, 0xbf8},
2848 {d68000_addq_8 , 0xf1c0, 0x5000, 0xbf8},
2849 {d68000_addq_16 , 0xf1c0, 0x5040, 0xff8},
2850 {d68000_addq_32 , 0xf1c0, 0x5080, 0xff8},
2851 {d68000_addx_rr_8 , 0xf1f8, 0xd100, 0x000},
2852 {d68000_addx_rr_16 , 0xf1f8, 0xd140, 0x000},
2853 {d68000_addx_rr_32 , 0xf1f8, 0xd180, 0x000},
2854 {d68000_addx_mm_8 , 0xf1f8, 0xd108, 0x000},
2855 {d68000_addx_mm_16 , 0xf1f8, 0xd148, 0x000},
2856 {d68000_addx_mm_32 , 0xf1f8, 0xd188, 0x000},
2857 {d68000_and_er_8 , 0xf1c0, 0xc000, 0xbff},
2858 {d68000_and_er_16 , 0xf1c0, 0xc040, 0xbff},
2859 {d68000_and_er_32 , 0xf1c0, 0xc080, 0xbff},
2860 {d68000_and_re_8 , 0xf1c0, 0xc100, 0x3f8},
2861 {d68000_and_re_16 , 0xf1c0, 0xc140, 0x3f8},
2862 {d68000_and_re_32 , 0xf1c0, 0xc180, 0x3f8},
2863 {d68000_andi_to_ccr , 0xffff, 0x023c, 0x000},
2864 {d68000_andi_to_sr , 0xffff, 0x027c, 0x000},
2865 {d68000_andi_8 , 0xffc0, 0x0200, 0xbf8},
2866 {d68000_andi_16 , 0xffc0, 0x0240, 0xbf8},
2867 {d68000_andi_32 , 0xffc0, 0x0280, 0xbf8},
2868 {d68000_asr_s_8 , 0xf1f8, 0xe000, 0x000},
2869 {d68000_asr_s_16 , 0xf1f8, 0xe040, 0x000},
2870 {d68000_asr_s_32 , 0xf1f8, 0xe080, 0x000},
2871 {d68000_asr_r_8 , 0xf1f8, 0xe020, 0x000},
2872 {d68000_asr_r_16 , 0xf1f8, 0xe060, 0x000},
2873 {d68000_asr_r_32 , 0xf1f8, 0xe0a0, 0x000},
2874 {d68000_asr_ea , 0xffc0, 0xe0c0, 0x3f8},
2875 {d68000_asl_s_8 , 0xf1f8, 0xe100, 0x000},
2876 {d68000_asl_s_16 , 0xf1f8, 0xe140, 0x000},
2877 {d68000_asl_s_32 , 0xf1f8, 0xe180, 0x000},
2878 {d68000_asl_r_8 , 0xf1f8, 0xe120, 0x000},
2879 {d68000_asl_r_16 , 0xf1f8, 0xe160, 0x000},
2880 {d68000_asl_r_32 , 0xf1f8, 0xe1a0, 0x000},
2881 {d68000_asl_ea , 0xffc0, 0xe1c0, 0x3f8},
2882 {d68000_bcc_8 , 0xf000, 0x6000, 0x000},
2883 {d68000_bcc_16 , 0xf0ff, 0x6000, 0x000},
2884 {d68020_bcc_32 , 0xf0ff, 0x60ff, 0x000},
2885 {d68000_bchg_r , 0xf1c0, 0x0140, 0xbf8},
2886 {d68000_bchg_s , 0xffc0, 0x0840, 0xbf8},
2887 {d68000_bclr_r , 0xf1c0, 0x0180, 0xbf8},
2888 {d68000_bclr_s , 0xffc0, 0x0880, 0xbf8},
2889 {d68020_bfchg , 0xffc0, 0xeac0, 0xa78},
2890 {d68020_bfclr , 0xffc0, 0xecc0, 0xa78},
2891 {d68020_bfexts , 0xffc0, 0xebc0, 0xa7b},
2892 {d68020_bfextu , 0xffc0, 0xe9c0, 0xa7b},
2893 {d68020_bfffo , 0xffc0, 0xedc0, 0xa7b},
2894 {d68020_bfins , 0xffc0, 0xefc0, 0xa78},
2895 {d68020_bfset , 0xffc0, 0xeec0, 0xa78},
2896 {d68020_bftst , 0xffc0, 0xe8c0, 0xa7b},
2897 {d68010_bkpt , 0xfff8, 0x4848, 0x000},
2898 {d68000_bra_8 , 0xff00, 0x6000, 0x000},
2899 {d68000_bra_16 , 0xffff, 0x6000, 0x000},
2900 {d68020_bra_32 , 0xffff, 0x60ff, 0x000},
2901 {d68000_bset_r , 0xf1c0, 0x01c0, 0xbf8},
2902 {d68000_bset_s , 0xffc0, 0x08c0, 0xbf8},
2903 {d68000_bsr_8 , 0xff00, 0x6100, 0x000},
2904 {d68000_bsr_16 , 0xffff, 0x6100, 0x000},
2905 {d68020_bsr_32 , 0xffff, 0x61ff, 0x000},
2906 {d68000_btst_r , 0xf1c0, 0x0100, 0xbff},
2907 {d68000_btst_s , 0xffc0, 0x0800, 0xbfb},
2908 {d68020_callm , 0xffc0, 0x06c0, 0x27b},
2909 {d68020_cas_8 , 0xffc0, 0x0ac0, 0x3f8},
2910 {d68020_cas_16 , 0xffc0, 0x0cc0, 0x3f8},
2911 {d68020_cas_32 , 0xffc0, 0x0ec0, 0x3f8},
2912 {d68020_cas2_16 , 0xffff, 0x0cfc, 0x000},
2913 {d68020_cas2_32 , 0xffff, 0x0efc, 0x000},
2914 {d68000_chk_16 , 0xf1c0, 0x4180, 0xbff},
2915 {d68020_chk_32 , 0xf1c0, 0x4100, 0xbff},
2916 {d68020_chk2_cmp2_8 , 0xffc0, 0x00c0, 0x27b},
2917 {d68020_chk2_cmp2_16 , 0xffc0, 0x02c0, 0x27b},
2918 {d68020_chk2_cmp2_32 , 0xffc0, 0x04c0, 0x27b},
2919 {d68040_cinv , 0xff20, 0xf400, 0x000},
2920 {d68000_clr_8 , 0xffc0, 0x4200, 0xbf8},
2921 {d68000_clr_16 , 0xffc0, 0x4240, 0xbf8},
2922 {d68000_clr_32 , 0xffc0, 0x4280, 0xbf8},
2923 {d68000_cmp_8 , 0xf1c0, 0xb000, 0xbff},
2924 {d68000_cmp_16 , 0xf1c0, 0xb040, 0xfff},
2925 {d68000_cmp_32 , 0xf1c0, 0xb080, 0xfff},
2926 {d68000_cmpa_16 , 0xf1c0, 0xb0c0, 0xfff},
2927 {d68000_cmpa_32 , 0xf1c0, 0xb1c0, 0xfff},
2928 {d68000_cmpi_8 , 0xffc0, 0x0c00, 0xbf8},
2929 {d68020_cmpi_pcdi_8 , 0xffff, 0x0c3a, 0x000},
2930 {d68020_cmpi_pcix_8 , 0xffff, 0x0c3b, 0x000},
2931 {d68000_cmpi_16 , 0xffc0, 0x0c40, 0xbf8},
2932 {d68020_cmpi_pcdi_16 , 0xffff, 0x0c7a, 0x000},
2933 {d68020_cmpi_pcix_16 , 0xffff, 0x0c7b, 0x000},
2934 {d68000_cmpi_32 , 0xffc0, 0x0c80, 0xbf8},
2935 {d68020_cmpi_pcdi_32 , 0xffff, 0x0cba, 0x000},
2936 {d68020_cmpi_pcix_32 , 0xffff, 0x0cbb, 0x000},
2937 {d68000_cmpm_8 , 0xf1f8, 0xb108, 0x000},
2938 {d68000_cmpm_16 , 0xf1f8, 0xb148, 0x000},
2939 {d68000_cmpm_32 , 0xf1f8, 0xb188, 0x000},
2940 {d68020_cpbcc_16 , 0xf1c0, 0xf080, 0x000},
2941 {d68020_cpbcc_32 , 0xf1c0, 0xf0c0, 0x000},
2942 {d68020_cpdbcc , 0xf1f8, 0xf048, 0x000},
2943 {d68020_cpgen , 0xf1c0, 0xf000, 0x000},
2944 {d68020_cprestore , 0xf1c0, 0xf140, 0x37f},
2945 {d68020_cpsave , 0xf1c0, 0xf100, 0x2f8},
2946 {d68020_cpscc , 0xf1c0, 0xf040, 0xbf8},
2947 {d68020_cptrapcc_0 , 0xf1ff, 0xf07c, 0x000},
2948 {d68020_cptrapcc_16 , 0xf1ff, 0xf07a, 0x000},
2949 {d68020_cptrapcc_32 , 0xf1ff, 0xf07b, 0x000},
2950 {d68040_cpush , 0xff20, 0xf420, 0x000},
2951 {d68000_dbcc , 0xf0f8, 0x50c8, 0x000},
2952 {d68000_dbra , 0xfff8, 0x51c8, 0x000},
2953 {d68000_divs , 0xf1c0, 0x81c0, 0xbff},
2954 {d68000_divu , 0xf1c0, 0x80c0, 0xbff},
2955 {d68020_divl , 0xffc0, 0x4c40, 0xbff},
2956 {d68000_eor_8 , 0xf1c0, 0xb100, 0xbf8},
2957 {d68000_eor_16 , 0xf1c0, 0xb140, 0xbf8},
2958 {d68000_eor_32 , 0xf1c0, 0xb180, 0xbf8},
2959 {d68000_eori_to_ccr , 0xffff, 0x0a3c, 0x000},
2960 {d68000_eori_to_sr , 0xffff, 0x0a7c, 0x000},
2961 {d68000_eori_8 , 0xffc0, 0x0a00, 0xbf8},
2962 {d68000_eori_16 , 0xffc0, 0x0a40, 0xbf8},
2963 {d68000_eori_32 , 0xffc0, 0x0a80, 0xbf8},
2964 {d68000_exg_dd , 0xf1f8, 0xc140, 0x000},
2965 {d68000_exg_aa , 0xf1f8, 0xc148, 0x000},
2966 {d68000_exg_da , 0xf1f8, 0xc188, 0x000},
2967 {d68020_extb_32 , 0xfff8, 0x49c0, 0x000},
2968 {d68000_ext_16 , 0xfff8, 0x4880, 0x000},
2969 {d68000_ext_32 , 0xfff8, 0x48c0, 0x000},
2970 {d68000_illegal , 0xffff, 0x4afc, 0x000},
2971 {d68000_jmp , 0xffc0, 0x4ec0, 0x27b},
2972 {d68000_jsr , 0xffc0, 0x4e80, 0x27b},
2973 {d68000_lea , 0xf1c0, 0x41c0, 0x27b},
2974 {d68000_link_16 , 0xfff8, 0x4e50, 0x000},
2975 {d68020_link_32 , 0xfff8, 0x4808, 0x000},
2976 {d68000_lsr_s_8 , 0xf1f8, 0xe008, 0x000},
2977 {d68000_lsr_s_16 , 0xf1f8, 0xe048, 0x000},
2978 {d68000_lsr_s_32 , 0xf1f8, 0xe088, 0x000},
2979 {d68000_lsr_r_8 , 0xf1f8, 0xe028, 0x000},
2980 {d68000_lsr_r_16 , 0xf1f8, 0xe068, 0x000},
2981 {d68000_lsr_r_32 , 0xf1f8, 0xe0a8, 0x000},
2982 {d68000_lsr_ea , 0xffc0, 0xe2c0, 0x3f8},
2983 {d68000_lsl_s_8 , 0xf1f8, 0xe108, 0x000},
2984 {d68000_lsl_s_16 , 0xf1f8, 0xe148, 0x000},
2985 {d68000_lsl_s_32 , 0xf1f8, 0xe188, 0x000},
2986 {d68000_lsl_r_8 , 0xf1f8, 0xe128, 0x000},
2987 {d68000_lsl_r_16 , 0xf1f8, 0xe168, 0x000},
2988 {d68000_lsl_r_32 , 0xf1f8, 0xe1a8, 0x000},
2989 {d68000_lsl_ea , 0xffc0, 0xe3c0, 0x3f8},
2990 {d68000_move_8 , 0xf000, 0x1000, 0xbff},
2991 {d68000_move_16 , 0xf000, 0x3000, 0xfff},
2992 {d68000_move_32 , 0xf000, 0x2000, 0xfff},
2993 {d68000_movea_16 , 0xf1c0, 0x3040, 0xfff},
2994 {d68000_movea_32 , 0xf1c0, 0x2040, 0xfff},
2995 {d68000_move_to_ccr , 0xffc0, 0x44c0, 0xbff},
2996 {d68010_move_fr_ccr , 0xffc0, 0x42c0, 0xbf8},
2997 {d68000_move_to_sr , 0xffc0, 0x46c0, 0xbff},
2998 {d68000_move_fr_sr , 0xffc0, 0x40c0, 0xbf8},
2999 {d68000_move_to_usp , 0xfff8, 0x4e60, 0x000},
3000 {d68000_move_fr_usp , 0xfff8, 0x4e68, 0x000},
3001 {d68010_movec , 0xfffe, 0x4e7a, 0x000},
3002 {d68000_movem_pd_16 , 0xfff8, 0x48a0, 0x000},
3003 {d68000_movem_pd_32 , 0xfff8, 0x48e0, 0x000},
3004 {d68000_movem_re_16 , 0xffc0, 0x4880, 0x2f8},
3005 {d68000_movem_re_32 , 0xffc0, 0x48c0, 0x2f8},
3006 {d68000_movem_er_16 , 0xffc0, 0x4c80, 0x37b},
3007 {d68000_movem_er_32 , 0xffc0, 0x4cc0, 0x37b},
3008 {d68000_movep_er_16 , 0xf1f8, 0x0108, 0x000},
3009 {d68000_movep_er_32 , 0xf1f8, 0x0148, 0x000},
3010 {d68000_movep_re_16 , 0xf1f8, 0x0188, 0x000},
3011 {d68000_movep_re_32 , 0xf1f8, 0x01c8, 0x000},
3012 {d68010_moves_8 , 0xffc0, 0x0e00, 0x3f8},
3013 {d68010_moves_16 , 0xffc0, 0x0e40, 0x3f8},
3014 {d68010_moves_32 , 0xffc0, 0x0e80, 0x3f8},
3015 {d68000_moveq , 0xf100, 0x7000, 0x000},
3016 {d68040_move16_pi_pi , 0xfff8, 0xf620, 0x000},
3017 {d68040_move16_pi_al , 0xfff8, 0xf600, 0x000},
3018 {d68040_move16_al_pi , 0xfff8, 0xf608, 0x000},
3019 {d68040_move16_ai_al , 0xfff8, 0xf610, 0x000},
3020 {d68040_move16_al_ai , 0xfff8, 0xf618, 0x000},
3021 {d68000_muls , 0xf1c0, 0xc1c0, 0xbff},
3022 {d68000_mulu , 0xf1c0, 0xc0c0, 0xbff},
3023 {d68020_mull , 0xffc0, 0x4c00, 0xbff},
3024 {d68000_nbcd , 0xffc0, 0x4800, 0xbf8},
3025 {d68000_neg_8 , 0xffc0, 0x4400, 0xbf8},
3026 {d68000_neg_16 , 0xffc0, 0x4440, 0xbf8},
3027 {d68000_neg_32 , 0xffc0, 0x4480, 0xbf8},
3028 {d68000_negx_8 , 0xffc0, 0x4000, 0xbf8},
3029 {d68000_negx_16 , 0xffc0, 0x4040, 0xbf8},
3030 {d68000_negx_32 , 0xffc0, 0x4080, 0xbf8},
3031 {d68000_nop , 0xffff, 0x4e71, 0x000},
3032 {d68000_not_8 , 0xffc0, 0x4600, 0xbf8},
3033 {d68000_not_16 , 0xffc0, 0x4640, 0xbf8},
3034 {d68000_not_32 , 0xffc0, 0x4680, 0xbf8},
3035 {d68000_or_er_8 , 0xf1c0, 0x8000, 0xbff},
3036 {d68000_or_er_16 , 0xf1c0, 0x8040, 0xbff},
3037 {d68000_or_er_32 , 0xf1c0, 0x8080, 0xbff},
3038 {d68000_or_re_8 , 0xf1c0, 0x8100, 0x3f8},
3039 {d68000_or_re_16 , 0xf1c0, 0x8140, 0x3f8},
3040 {d68000_or_re_32 , 0xf1c0, 0x8180, 0x3f8},
3041 {d68000_ori_to_ccr , 0xffff, 0x003c, 0x000},
3042 {d68000_ori_to_sr , 0xffff, 0x007c, 0x000},
3043 {d68000_ori_8 , 0xffc0, 0x0000, 0xbf8},
3044 {d68000_ori_16 , 0xffc0, 0x0040, 0xbf8},
3045 {d68000_ori_32 , 0xffc0, 0x0080, 0xbf8},
3046 {d68020_pack_rr , 0xf1f8, 0x8140, 0x000},
3047 {d68020_pack_mm , 0xf1f8, 0x8148, 0x000},
3048 {d68000_pea , 0xffc0, 0x4840, 0x27b},
3049 {d68000_reset , 0xffff, 0x4e70, 0x000},
3050 {d68000_ror_s_8 , 0xf1f8, 0xe018, 0x000},
3051 {d68000_ror_s_16 , 0xf1f8, 0xe058, 0x000},
3052 {d68000_ror_s_32 , 0xf1f8, 0xe098, 0x000},
3053 {d68000_ror_r_8 , 0xf1f8, 0xe038, 0x000},
3054 {d68000_ror_r_16 , 0xf1f8, 0xe078, 0x000},
3055 {d68000_ror_r_32 , 0xf1f8, 0xe0b8, 0x000},
3056 {d68000_ror_ea , 0xffc0, 0xe6c0, 0x3f8},
3057 {d68000_rol_s_8 , 0xf1f8, 0xe118, 0x000},
3058 {d68000_rol_s_16 , 0xf1f8, 0xe158, 0x000},
3059 {d68000_rol_s_32 , 0xf1f8, 0xe198, 0x000},
3060 {d68000_rol_r_8 , 0xf1f8, 0xe138, 0x000},
3061 {d68000_rol_r_16 , 0xf1f8, 0xe178, 0x000},
3062 {d68000_rol_r_32 , 0xf1f8, 0xe1b8, 0x000},
3063 {d68000_rol_ea , 0xffc0, 0xe7c0, 0x3f8},
3064 {d68000_roxr_s_8 , 0xf1f8, 0xe010, 0x000},
3065 {d68000_roxr_s_16 , 0xf1f8, 0xe050, 0x000},
3066 {d68000_roxr_s_32 , 0xf1f8, 0xe090, 0x000},
3067 {d68000_roxr_r_8 , 0xf1f8, 0xe030, 0x000},
3068 {d68000_roxr_r_16 , 0xf1f8, 0xe070, 0x000},
3069 {d68000_roxr_r_32 , 0xf1f8, 0xe0b0, 0x000},
3070 {d68000_roxr_ea , 0xffc0, 0xe4c0, 0x3f8},
3071 {d68000_roxl_s_8 , 0xf1f8, 0xe110, 0x000},
3072 {d68000_roxl_s_16 , 0xf1f8, 0xe150, 0x000},
3073 {d68000_roxl_s_32 , 0xf1f8, 0xe190, 0x000},
3074 {d68000_roxl_r_8 , 0xf1f8, 0xe130, 0x000},
3075 {d68000_roxl_r_16 , 0xf1f8, 0xe170, 0x000},
3076 {d68000_roxl_r_32 , 0xf1f8, 0xe1b0, 0x000},
3077 {d68000_roxl_ea , 0xffc0, 0xe5c0, 0x3f8},
3078 {d68010_rtd , 0xffff, 0x4e74, 0x000},
3079 {d68000_rte , 0xffff, 0x4e73, 0x000},
3080 {d68020_rtm , 0xfff0, 0x06c0, 0x000},
3081 {d68000_rtr , 0xffff, 0x4e77, 0x000},
3082 {d68000_rts , 0xffff, 0x4e75, 0x000},
3083 {d68000_sbcd_rr , 0xf1f8, 0x8100, 0x000},
3084 {d68000_sbcd_mm , 0xf1f8, 0x8108, 0x000},
3085 {d68000_scc , 0xf0c0, 0x50c0, 0xbf8},
3086 {d68000_stop , 0xffff, 0x4e72, 0x000},
3087 {d68000_sub_er_8 , 0xf1c0, 0x9000, 0xbff},
3088 {d68000_sub_er_16 , 0xf1c0, 0x9040, 0xfff},
3089 {d68000_sub_er_32 , 0xf1c0, 0x9080, 0xfff},
3090 {d68000_sub_re_8 , 0xf1c0, 0x9100, 0x3f8},
3091 {d68000_sub_re_16 , 0xf1c0, 0x9140, 0x3f8},
3092 {d68000_sub_re_32 , 0xf1c0, 0x9180, 0x3f8},
3093 {d68000_suba_16 , 0xf1c0, 0x90c0, 0xfff},
3094 {d68000_suba_32 , 0xf1c0, 0x91c0, 0xfff},
3095 {d68000_subi_8 , 0xffc0, 0x0400, 0xbf8},
3096 {d68000_subi_16 , 0xffc0, 0x0440, 0xbf8},
3097 {d68000_subi_32 , 0xffc0, 0x0480, 0xbf8},
3098 {d68000_subq_8 , 0xf1c0, 0x5100, 0xbf8},
3099 {d68000_subq_16 , 0xf1c0, 0x5140, 0xff8},
3100 {d68000_subq_32 , 0xf1c0, 0x5180, 0xff8},
3101 {d68000_subx_rr_8 , 0xf1f8, 0x9100, 0x000},
3102 {d68000_subx_rr_16 , 0xf1f8, 0x9140, 0x000},
3103 {d68000_subx_rr_32 , 0xf1f8, 0x9180, 0x000},
3104 {d68000_subx_mm_8 , 0xf1f8, 0x9108, 0x000},
3105 {d68000_subx_mm_16 , 0xf1f8, 0x9148, 0x000},
3106 {d68000_subx_mm_32 , 0xf1f8, 0x9188, 0x000},
3107 {d68000_swap , 0xfff8, 0x4840, 0x000},
3108 {d68000_tas , 0xffc0, 0x4ac0, 0xbf8},
3109 {d68000_trap , 0xfff0, 0x4e40, 0x000},
3110 {d68020_trapcc_0 , 0xf0ff, 0x50fc, 0x000},
3111 {d68020_trapcc_16 , 0xf0ff, 0x50fa, 0x000},
3112 {d68020_trapcc_32 , 0xf0ff, 0x50fb, 0x000},
3113 {d68000_trapv , 0xffff, 0x4e76, 0x000},
3114 {d68000_tst_8 , 0xffc0, 0x4a00, 0xbf8},
3115 {d68020_tst_pcdi_8 , 0xffff, 0x4a3a, 0x000},
3116 {d68020_tst_pcix_8 , 0xffff, 0x4a3b, 0x000},
3117 {d68020_tst_i_8 , 0xffff, 0x4a3c, 0x000},
3118 {d68000_tst_16 , 0xffc0, 0x4a40, 0xbf8},
3119 {d68020_tst_a_16 , 0xfff8, 0x4a48, 0x000},
3120 {d68020_tst_pcdi_16 , 0xffff, 0x4a7a, 0x000},
3121 {d68020_tst_pcix_16 , 0xffff, 0x4a7b, 0x000},
3122 {d68020_tst_i_16 , 0xffff, 0x4a7c, 0x000},
3123 {d68000_tst_32 , 0xffc0, 0x4a80, 0xbf8},
3124 {d68020_tst_a_32 , 0xfff8, 0x4a88, 0x000},
3125 {d68020_tst_pcdi_32 , 0xffff, 0x4aba, 0x000},
3126 {d68020_tst_pcix_32 , 0xffff, 0x4abb, 0x000},
3127 {d68020_tst_i_32 , 0xffff, 0x4abc, 0x000},
3128 {d68000_unlk , 0xfff8, 0x4e58, 0x000},
3129 {d68020_unpk_rr , 0xf1f8, 0x8180, 0x000},
3130 {d68020_unpk_mm , 0xf1f8, 0x8188, 0x000},
3131 {0, 0, 0, 0}
3132};
3133
3134/* Check if opcode is using a valid ea mode */
3135static int valid_ea(uint opcode, uint mask)
3136{
3137 if(mask == 0)
3138 return 1;
3139
3140 switch(opcode & 0x3f)
3141 {
3142 case 0x00: case 0x01: case 0x02: case 0x03:
3143 case 0x04: case 0x05: case 0x06: case 0x07:
3144 return (mask & 0x800) != 0;
3145 case 0x08: case 0x09: case 0x0a: case 0x0b:
3146 case 0x0c: case 0x0d: case 0x0e: case 0x0f:
3147 return (mask & 0x400) != 0;
3148 case 0x10: case 0x11: case 0x12: case 0x13:
3149 case 0x14: case 0x15: case 0x16: case 0x17:
3150 return (mask & 0x200) != 0;
3151 case 0x18: case 0x19: case 0x1a: case 0x1b:
3152 case 0x1c: case 0x1d: case 0x1e: case 0x1f:
3153 return (mask & 0x100) != 0;
3154 case 0x20: case 0x21: case 0x22: case 0x23:
3155 case 0x24: case 0x25: case 0x26: case 0x27:
3156 return (mask & 0x080) != 0;
3157 case 0x28: case 0x29: case 0x2a: case 0x2b:
3158 case 0x2c: case 0x2d: case 0x2e: case 0x2f:
3159 return (mask & 0x040) != 0;
3160 case 0x30: case 0x31: case 0x32: case 0x33:
3161 case 0x34: case 0x35: case 0x36: case 0x37:
3162 return (mask & 0x020) != 0;
3163 case 0x38:
3164 return (mask & 0x010) != 0;
3165 case 0x39:
3166 return (mask & 0x008) != 0;
3167 case 0x3a:
3168 return (mask & 0x002) != 0;
3169 case 0x3b:
3170 return (mask & 0x001) != 0;
3171 case 0x3c:
3172 return (mask & 0x004) != 0;
3173 }
3174 return 0;
3175
3176}
3177
3178/* Used by qsort */
3179static int DECL_SPEC compare_nof_true_bits(const void *aptr, const void *bptr)
3180{
3181 uint a = ((const opcode_struct*)aptr)->mask;
3182 uint b = ((const opcode_struct*)bptr)->mask;
3183
3184 a = ((a & 0xAAAA) >> 1) + (a & 0x5555);
3185 a = ((a & 0xCCCC) >> 2) + (a & 0x3333);
3186 a = ((a & 0xF0F0) >> 4) + (a & 0x0F0F);
3187 a = ((a & 0xFF00) >> 8) + (a & 0x00FF);
3188
3189 b = ((b & 0xAAAA) >> 1) + (b & 0x5555);
3190 b = ((b & 0xCCCC) >> 2) + (b & 0x3333);
3191 b = ((b & 0xF0F0) >> 4) + (b & 0x0F0F);
3192 b = ((b & 0xFF00) >> 8) + (b & 0x00FF);
3193
3194 return b - a; /* reversed to get greatest to least sorting */
3195}
3196
3197/* build the opcode handler jump table */
3198static void build_opcode_table(void)
3199{
3200 uint i;
3201 uint opcode;
3202 opcode_struct* ostruct;
3203 uint opcode_info_length = 0;
3204
3205 for(ostruct = g_opcode_info;ostruct->opcode_handler != 0;ostruct++)
3206 opcode_info_length++;
3207
3208 qsort((void *)g_opcode_info, opcode_info_length, sizeof(g_opcode_info[0]), compare_nof_true_bits);
3209
3210 for(i=0;i<0x10000;i++)
3211 {
3212 g_instruction_table[i] = d68000_illegal; /* default to illegal */
3213 opcode = i;
3214 /* search through opcode info for a match */
3215 for(ostruct = g_opcode_info;ostruct->opcode_handler != 0;ostruct++)
3216 {
3217 /* match opcode mask and allowed ea modes */
3218 if((opcode & ostruct->mask) == ostruct->match)
3219 {
3220 /* Handle destination ea for move instructions */
3221 if((ostruct->opcode_handler == d68000_move_8 ||
3222 ostruct->opcode_handler == d68000_move_16 ||
3223 ostruct->opcode_handler == d68000_move_32) &&
3224 !valid_ea(((opcode>>9)&7) | ((opcode>>3)&0x38), 0xbf8))
3225 continue;
3226 if(valid_ea(opcode, ostruct->ea_mask))
3227 {
3228 g_instruction_table[i] = ostruct->opcode_handler;
3229 break;
3230 }
3231 }
3232 }
3233 }
3234}
3235
3236
3237
3238/* ======================================================================== */
3239/* ================================= API ================================== */
3240/* ======================================================================== */
3241
3242/* Disasemble one instruction at pc and store in str_buff */
3243unsigned int m68k_disassemble(char* str_buff, unsigned int pc, unsigned int cpu_type)
3244{
3245 if(!g_initialized)
3246 {
3247 build_opcode_table();
3248 g_initialized = 1;
3249 }
3250 switch(cpu_type)
3251 {
3252 case M68K_CPU_TYPE_68000:
3253 g_cpu_type = TYPE_68000;
3254 g_address_mask = 0x00ffffff;
3255 break;
3256 case M68K_CPU_TYPE_68010:
3257 g_cpu_type = TYPE_68010;
3258 g_address_mask = 0x00ffffff;
3259 break;
3260 case M68K_CPU_TYPE_68EC020:
3261 g_cpu_type = TYPE_68020;
3262 g_address_mask = 0x00ffffff;
3263 break;
3264 case M68K_CPU_TYPE_68020:
3265 g_cpu_type = TYPE_68020;
3266 g_address_mask = 0xffffffff;
3267 break;
3268 case M68K_CPU_TYPE_68030:
3269 g_cpu_type = TYPE_68030;
3270 g_address_mask = 0xffffffff;
3271 break;
3272 case M68K_CPU_TYPE_68040:
3273 g_cpu_type = TYPE_68040;
3274 g_address_mask = 0xffffffff;
3275 break;
3276 default:
3277 return 0;
3278 }
3279
3280 g_cpu_pc = pc;
3281 g_helper_str[0] = 0;
3282 g_cpu_ir = read_imm_16();
3283 g_instruction_table[g_cpu_ir]();
3284 sprintf(str_buff, "%s%s", g_dasm_str, g_helper_str);
3285 return g_cpu_pc - pc;
3286}
3287
3288char* m68ki_disassemble_quick(unsigned int pc, unsigned int cpu_type)
3289{
3290 static char buff[100];
3291 buff[0] = 0;
3292 m68k_disassemble(buff, pc, cpu_type);
3293 return buff;
3294}
3295
3296/* Check if the instruction is a valid one */
3297unsigned int m68k_is_valid_instruction(unsigned int instruction, unsigned int cpu_type)
3298{
3299 if(!g_initialized)
3300 {
3301 build_opcode_table();
3302 g_initialized = 1;
3303 }
3304
3305 instruction &= 0xffff;
3306 if(g_instruction_table[instruction] == d68000_illegal)
3307 return 0;
3308
3309 switch(cpu_type)
3310 {
3311 case M68K_CPU_TYPE_68000:
3312 if(g_instruction_table[instruction] == d68010_bkpt)
3313 return 0;
3314 if(g_instruction_table[instruction] == d68010_move_fr_ccr)
3315 return 0;
3316 if(g_instruction_table[instruction] == d68010_movec)
3317 return 0;
3318 if(g_instruction_table[instruction] == d68010_moves_8)
3319 return 0;
3320 if(g_instruction_table[instruction] == d68010_moves_16)
3321 return 0;
3322 if(g_instruction_table[instruction] == d68010_moves_32)
3323 return 0;
3324 if(g_instruction_table[instruction] == d68010_rtd)
3325 return 0;
3326 case M68K_CPU_TYPE_68010:
3327 if(g_instruction_table[instruction] == d68020_bcc_32)
3328 return 0;
3329 if(g_instruction_table[instruction] == d68020_bfchg)
3330 return 0;
3331 if(g_instruction_table[instruction] == d68020_bfclr)
3332 return 0;
3333 if(g_instruction_table[instruction] == d68020_bfexts)
3334 return 0;
3335 if(g_instruction_table[instruction] == d68020_bfextu)
3336 return 0;
3337 if(g_instruction_table[instruction] == d68020_bfffo)
3338 return 0;
3339 if(g_instruction_table[instruction] == d68020_bfins)
3340 return 0;
3341 if(g_instruction_table[instruction] == d68020_bfset)
3342 return 0;
3343 if(g_instruction_table[instruction] == d68020_bftst)
3344 return 0;
3345 if(g_instruction_table[instruction] == d68020_bra_32)
3346 return 0;
3347 if(g_instruction_table[instruction] == d68020_bsr_32)
3348 return 0;
3349 if(g_instruction_table[instruction] == d68020_callm)
3350 return 0;
3351 if(g_instruction_table[instruction] == d68020_cas_8)
3352 return 0;
3353 if(g_instruction_table[instruction] == d68020_cas_16)
3354 return 0;
3355 if(g_instruction_table[instruction] == d68020_cas_32)
3356 return 0;
3357 if(g_instruction_table[instruction] == d68020_cas2_16)
3358 return 0;
3359 if(g_instruction_table[instruction] == d68020_cas2_32)
3360 return 0;
3361 if(g_instruction_table[instruction] == d68020_chk_32)
3362 return 0;
3363 if(g_instruction_table[instruction] == d68020_chk2_cmp2_8)
3364 return 0;
3365 if(g_instruction_table[instruction] == d68020_chk2_cmp2_16)
3366 return 0;
3367 if(g_instruction_table[instruction] == d68020_chk2_cmp2_32)
3368 return 0;
3369 if(g_instruction_table[instruction] == d68020_cmpi_pcdi_8)
3370 return 0;
3371 if(g_instruction_table[instruction] == d68020_cmpi_pcix_8)
3372 return 0;
3373 if(g_instruction_table[instruction] == d68020_cmpi_pcdi_16)
3374 return 0;
3375 if(g_instruction_table[instruction] == d68020_cmpi_pcix_16)
3376 return 0;
3377 if(g_instruction_table[instruction] == d68020_cmpi_pcdi_32)
3378 return 0;
3379 if(g_instruction_table[instruction] == d68020_cmpi_pcix_32)
3380 return 0;
3381 if(g_instruction_table[instruction] == d68020_cpbcc_16)
3382 return 0;
3383 if(g_instruction_table[instruction] == d68020_cpbcc_32)
3384 return 0;
3385 if(g_instruction_table[instruction] == d68020_cpdbcc)
3386 return 0;
3387 if(g_instruction_table[instruction] == d68020_cpgen)
3388 return 0;
3389 if(g_instruction_table[instruction] == d68020_cprestore)
3390 return 0;
3391 if(g_instruction_table[instruction] == d68020_cpsave)
3392 return 0;
3393 if(g_instruction_table[instruction] == d68020_cpscc)
3394 return 0;
3395 if(g_instruction_table[instruction] == d68020_cptrapcc_0)
3396 return 0;
3397 if(g_instruction_table[instruction] == d68020_cptrapcc_16)
3398 return 0;
3399 if(g_instruction_table[instruction] == d68020_cptrapcc_32)
3400 return 0;
3401 if(g_instruction_table[instruction] == d68020_divl)
3402 return 0;
3403 if(g_instruction_table[instruction] == d68020_extb_32)
3404 return 0;
3405 if(g_instruction_table[instruction] == d68020_link_32)
3406 return 0;
3407 if(g_instruction_table[instruction] == d68020_mull)
3408 return 0;
3409 if(g_instruction_table[instruction] == d68020_pack_rr)
3410 return 0;
3411 if(g_instruction_table[instruction] == d68020_pack_mm)
3412 return 0;
3413 if(g_instruction_table[instruction] == d68020_rtm)
3414 return 0;
3415 if(g_instruction_table[instruction] == d68020_trapcc_0)
3416 return 0;
3417 if(g_instruction_table[instruction] == d68020_trapcc_16)
3418 return 0;
3419 if(g_instruction_table[instruction] == d68020_trapcc_32)
3420 return 0;
3421 if(g_instruction_table[instruction] == d68020_tst_pcdi_8)
3422 return 0;
3423 if(g_instruction_table[instruction] == d68020_tst_pcix_8)
3424 return 0;
3425 if(g_instruction_table[instruction] == d68020_tst_i_8)
3426 return 0;
3427 if(g_instruction_table[instruction] == d68020_tst_a_16)
3428 return 0;
3429 if(g_instruction_table[instruction] == d68020_tst_pcdi_16)
3430 return 0;
3431 if(g_instruction_table[instruction] == d68020_tst_pcix_16)
3432 return 0;
3433 if(g_instruction_table[instruction] == d68020_tst_i_16)
3434 return 0;
3435 if(g_instruction_table[instruction] == d68020_tst_a_32)
3436 return 0;
3437 if(g_instruction_table[instruction] == d68020_tst_pcdi_32)
3438 return 0;
3439 if(g_instruction_table[instruction] == d68020_tst_pcix_32)
3440 return 0;
3441 if(g_instruction_table[instruction] == d68020_tst_i_32)
3442 return 0;
3443 if(g_instruction_table[instruction] == d68020_unpk_rr)
3444 return 0;
3445 if(g_instruction_table[instruction] == d68020_unpk_mm)
3446 return 0;
3447 case M68K_CPU_TYPE_68EC020:
3448 case M68K_CPU_TYPE_68020:
3449 case M68K_CPU_TYPE_68030:
3450 if(g_instruction_table[instruction] == d68040_cinv)
3451 return 0;
3452 if(g_instruction_table[instruction] == d68040_cpush)
3453 return 0;
3454 if(g_instruction_table[instruction] == d68040_move16_pi_pi)
3455 return 0;
3456 if(g_instruction_table[instruction] == d68040_move16_pi_al)
3457 return 0;
3458 if(g_instruction_table[instruction] == d68040_move16_al_pi)
3459 return 0;
3460 if(g_instruction_table[instruction] == d68040_move16_ai_al)
3461 return 0;
3462 if(g_instruction_table[instruction] == d68040_move16_al_ai)
3463 return 0;
3464 }
3465 if(cpu_type != M68K_CPU_TYPE_68020 && cpu_type != M68K_CPU_TYPE_68EC020 &&
3466 (g_instruction_table[instruction] == d68020_callm ||
3467 g_instruction_table[instruction] == d68020_rtm))
3468 return 0;
3469
3470 return 1;
3471}
3472
3473
3474
3475/* ======================================================================== */
3476/* ============================== END OF FILE ============================= */
3477/* ======================================================================== */
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