Mercurial > vba-clojure
comparison src/gba/arm-new.h @ 1:f9f4f1b99eed
importing src directory
author | Robert McIntyre <rlm@mit.edu> |
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date | Sat, 03 Mar 2012 10:31:27 -0600 |
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0:8ced16adf2e1 | 1:f9f4f1b99eed |
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1 #ifdef BKPT_SUPPORT | |
2 #define CONSOLE_OUTPUT(a, b) \ | |
3 extern void (*dbgOutput)(char *, u32); \ | |
4 if ((opcode == 0xe0000000) && (reg[0].I == 0xC0DED00D)) { \ | |
5 dbgOutput((a), (b)); \ | |
6 } | |
7 #else | |
8 #define CONSOLE_OUTPUT(a, b) | |
9 #endif | |
10 | |
11 #define OP_AND \ | |
12 reg[dest].I = reg[(opcode >> 16) & 15].I & value; \ | |
13 CONSOLE_OUTPUT(NULL, reg[2].I); | |
14 | |
15 #define OP_ANDS \ | |
16 reg[dest].I = reg[(opcode >> 16) & 15].I & value; \ | |
17 \ | |
18 N_FLAG = (reg[dest].I & 0x80000000) ? true : false; \ | |
19 Z_FLAG = (reg[dest].I) ? false : true; \ | |
20 C_FLAG = C_OUT; | |
21 | |
22 #define OP_EOR \ | |
23 reg[dest].I = reg[(opcode >> 16) & 15].I ^ value; | |
24 | |
25 #define OP_EORS \ | |
26 reg[dest].I = reg[(opcode >> 16) & 15].I ^ value; \ | |
27 \ | |
28 N_FLAG = (reg[dest].I & 0x80000000) ? true : false; \ | |
29 Z_FLAG = (reg[dest].I) ? false : true; \ | |
30 C_FLAG = C_OUT; | |
31 #ifdef C_CORE | |
32 #define NEG(i) ((i) >> 31) | |
33 #define POS(i) ((~(i)) >> 31) | |
34 #define ADDCARRY(a, b, c) \ | |
35 C_FLAG = ((NEG(a) & NEG(b)) | \ | |
36 (NEG(a) & POS(c)) | \ | |
37 (NEG(b) & POS(c))) ? true : false; | |
38 #define ADDOVERFLOW(a, b, c) \ | |
39 V_FLAG = ((NEG(a) & NEG(b) & POS(c)) | \ | |
40 (POS(a) & POS(b) & NEG(c))) ? true : false; | |
41 #define SUBCARRY(a, b, c) \ | |
42 C_FLAG = ((NEG(a) & POS(b)) | \ | |
43 (NEG(a) & POS(c)) | \ | |
44 (POS(b) & POS(c))) ? true : false; | |
45 #define SUBOVERFLOW(a, b, c) \ | |
46 V_FLAG = ((NEG(a) & POS(b) & POS(c)) | \ | |
47 (POS(a) & NEG(b) & NEG(c))) ? true : false; | |
48 #define OP_SUB \ | |
49 { \ | |
50 reg[dest].I = reg[base].I - value; \ | |
51 } | |
52 #define OP_SUBS \ | |
53 { \ | |
54 u32 lhs = reg[base].I; \ | |
55 u32 rhs = value; \ | |
56 u32 res = lhs - rhs; \ | |
57 reg[dest].I = res; \ | |
58 Z_FLAG = (res == 0) ? true : false; \ | |
59 N_FLAG = NEG(res) ? true : false; \ | |
60 SUBCARRY(lhs, rhs, res); \ | |
61 SUBOVERFLOW(lhs, rhs, res); \ | |
62 } | |
63 #define OP_RSB \ | |
64 { \ | |
65 reg[dest].I = value - reg[base].I; \ | |
66 } | |
67 #define OP_RSBS \ | |
68 { \ | |
69 u32 lhs = reg[base].I; \ | |
70 u32 rhs = value; \ | |
71 u32 res = rhs - lhs; \ | |
72 reg[dest].I = res; \ | |
73 Z_FLAG = (res == 0) ? true : false; \ | |
74 N_FLAG = NEG(res) ? true : false; \ | |
75 SUBCARRY(rhs, lhs, res); \ | |
76 SUBOVERFLOW(rhs, lhs, res); \ | |
77 } | |
78 #define OP_ADD \ | |
79 { \ | |
80 reg[dest].I = reg[base].I + value; \ | |
81 } | |
82 #define OP_ADDS \ | |
83 { \ | |
84 u32 lhs = reg[base].I; \ | |
85 u32 rhs = value; \ | |
86 u32 res = lhs + rhs; \ | |
87 reg[dest].I = res; \ | |
88 Z_FLAG = (res == 0) ? true : false; \ | |
89 N_FLAG = NEG(res) ? true : false; \ | |
90 ADDCARRY(lhs, rhs, res); \ | |
91 ADDOVERFLOW(lhs, rhs, res); \ | |
92 } | |
93 #define OP_ADC \ | |
94 { \ | |
95 reg[dest].I = reg[base].I + value + (u32)C_FLAG; \ | |
96 } | |
97 #define OP_ADCS \ | |
98 { \ | |
99 u32 lhs = reg[base].I; \ | |
100 u32 rhs = value; \ | |
101 u32 res = lhs + rhs + (u32)C_FLAG; \ | |
102 reg[dest].I = res; \ | |
103 Z_FLAG = (res == 0) ? true : false; \ | |
104 N_FLAG = NEG(res) ? true : false; \ | |
105 ADDCARRY(lhs, rhs, res); \ | |
106 ADDOVERFLOW(lhs, rhs, res); \ | |
107 } | |
108 #define OP_SBC \ | |
109 { \ | |
110 reg[dest].I = reg[base].I - value - !((u32)C_FLAG); \ | |
111 } | |
112 #define OP_SBCS \ | |
113 { \ | |
114 u32 lhs = reg[base].I; \ | |
115 u32 rhs = value; \ | |
116 u32 res = lhs - rhs - !((u32)C_FLAG); \ | |
117 reg[dest].I = res; \ | |
118 Z_FLAG = (res == 0) ? true : false; \ | |
119 N_FLAG = NEG(res) ? true : false; \ | |
120 SUBCARRY(lhs, rhs, res); \ | |
121 SUBOVERFLOW(lhs, rhs, res); \ | |
122 } | |
123 #define OP_RSC \ | |
124 { \ | |
125 reg[dest].I = value - reg[base].I - !((u32)C_FLAG); \ | |
126 } | |
127 #define OP_RSCS \ | |
128 { \ | |
129 u32 lhs = reg[base].I; \ | |
130 u32 rhs = value; \ | |
131 u32 res = rhs - lhs - !((u32)C_FLAG); \ | |
132 reg[dest].I = res; \ | |
133 Z_FLAG = (res == 0) ? true : false; \ | |
134 N_FLAG = NEG(res) ? true : false; \ | |
135 SUBCARRY(rhs, lhs, res); \ | |
136 SUBOVERFLOW(rhs, lhs, res); \ | |
137 } | |
138 #define OP_CMP \ | |
139 { \ | |
140 u32 lhs = reg[base].I; \ | |
141 u32 rhs = value; \ | |
142 u32 res = lhs - rhs; \ | |
143 Z_FLAG = (res == 0) ? true : false; \ | |
144 N_FLAG = NEG(res) ? true : false; \ | |
145 SUBCARRY(lhs, rhs, res); \ | |
146 SUBOVERFLOW(lhs, rhs, res); \ | |
147 } | |
148 #define OP_CMN \ | |
149 { \ | |
150 u32 lhs = reg[base].I; \ | |
151 u32 rhs = value; \ | |
152 u32 res = lhs + rhs; \ | |
153 Z_FLAG = (res == 0) ? true : false; \ | |
154 N_FLAG = NEG(res) ? true : false; \ | |
155 ADDCARRY(lhs, rhs, res); \ | |
156 ADDOVERFLOW(lhs, rhs, res); \ | |
157 } | |
158 | |
159 #define LOGICAL_LSL_REG \ | |
160 { \ | |
161 u32 v = reg[opcode & 0x0f].I; \ | |
162 C_OUT = (v >> (32 - shift)) & 1 ? true : false; \ | |
163 value = v << shift; \ | |
164 } | |
165 #define LOGICAL_LSR_REG \ | |
166 { \ | |
167 u32 v = reg[opcode & 0x0f].I; \ | |
168 C_OUT = (v >> (shift - 1)) & 1 ? true : false; \ | |
169 value = v >> shift; \ | |
170 } | |
171 #define LOGICAL_ASR_REG \ | |
172 { \ | |
173 u32 v = reg[opcode & 0x0f].I; \ | |
174 C_OUT = ((s32)v >> (int)(shift - 1)) & 1 ? true : false; \ | |
175 value = (s32)v >> (int)shift; \ | |
176 } | |
177 #define LOGICAL_ROR_REG \ | |
178 { \ | |
179 u32 v = reg[opcode & 0x0f].I; \ | |
180 C_OUT = (v >> (shift - 1)) & 1 ? true : false; \ | |
181 value = ((v << (32 - shift)) | \ | |
182 (v >> shift)); \ | |
183 } | |
184 #define LOGICAL_RRX_REG \ | |
185 { \ | |
186 u32 v = reg[opcode & 0x0f].I; \ | |
187 shift = (int)C_FLAG; \ | |
188 C_OUT = (v & 1) ? true : false; \ | |
189 value = ((v >> 1) | \ | |
190 (shift << 31)); \ | |
191 } | |
192 #define LOGICAL_ROR_IMM \ | |
193 { \ | |
194 u32 v = opcode & 0xff; \ | |
195 C_OUT = (v >> (shift - 1)) & 1 ? true : false; \ | |
196 value = ((v << (32 - shift)) | \ | |
197 (v >> shift)); \ | |
198 } | |
199 #define ARITHMETIC_LSL_REG \ | |
200 { \ | |
201 u32 v = reg[opcode & 0x0f].I; \ | |
202 value = v << shift; \ | |
203 } | |
204 #define ARITHMETIC_LSR_REG \ | |
205 { \ | |
206 u32 v = reg[opcode & 0x0f].I; \ | |
207 value = v >> shift; \ | |
208 } | |
209 #define ARITHMETIC_ASR_REG \ | |
210 { \ | |
211 u32 v = reg[opcode & 0x0f].I; \ | |
212 value = (s32)v >> (int)shift; \ | |
213 } | |
214 #define ARITHMETIC_ROR_REG \ | |
215 { \ | |
216 u32 v = reg[opcode & 0x0f].I; \ | |
217 value = ((v << (32 - shift)) | \ | |
218 (v >> shift)); \ | |
219 } | |
220 #define ARITHMETIC_RRX_REG \ | |
221 { \ | |
222 u32 v = reg[opcode & 0x0f].I; \ | |
223 shift = (int)C_FLAG; \ | |
224 value = ((v >> 1) | \ | |
225 (shift << 31)); \ | |
226 } | |
227 #define ARITHMETIC_ROR_IMM \ | |
228 { \ | |
229 u32 v = opcode & 0xff; \ | |
230 value = ((v << (32 - shift)) | \ | |
231 (v >> shift)); \ | |
232 } | |
233 #define ROR_IMM_MSR \ | |
234 { \ | |
235 u32 v = opcode & 0xff; \ | |
236 value = ((v << (32 - shift)) | \ | |
237 (v >> shift)); \ | |
238 } | |
239 #define ROR_VALUE \ | |
240 { \ | |
241 value = ((value << (32 - shift)) | \ | |
242 (value >> shift)); \ | |
243 } | |
244 #define RCR_VALUE \ | |
245 { \ | |
246 shift = (int)C_FLAG; \ | |
247 value = ((value >> 1) | \ | |
248 (shift << 31)); \ | |
249 } | |
250 #else | |
251 #ifdef __GNUC__ | |
252 #ifdef __POWERPC__ | |
253 #define OP_SUB \ | |
254 { \ | |
255 reg[dest].I = reg[base].I - value; \ | |
256 } | |
257 #define OP_SUBS \ | |
258 { \ | |
259 register int Flags; \ | |
260 register int Result; \ | |
261 asm volatile ("subco. %0, %2, %3\n" \ | |
262 "mcrxr cr1\n" \ | |
263 "mfcr %1\n" \ | |
264 : "=r" (Result), \ | |
265 "=r" (Flags) \ | |
266 : "r" (reg[base].I), \ | |
267 "r" (value) \ | |
268 ); \ | |
269 reg[dest].I = Result; \ | |
270 Z_FLAG = (Flags >> 29) & 1; \ | |
271 N_FLAG = (Flags >> 31) & 1; \ | |
272 C_FLAG = (Flags >> 25) & 1; \ | |
273 V_FLAG = (Flags >> 26) & 1; \ | |
274 } | |
275 #define OP_RSB \ | |
276 { \ | |
277 reg[dest].I = value - reg[base].I; \ | |
278 } | |
279 #define OP_RSBS \ | |
280 { \ | |
281 register int Flags; \ | |
282 register int Result; \ | |
283 asm volatile ("subfco. %0, %2, %3\n" \ | |
284 "mcrxr cr1\n" \ | |
285 "mfcr %1\n" \ | |
286 : "=r" (Result), \ | |
287 "=r" (Flags) \ | |
288 : "r" (reg[base].I), \ | |
289 "r" (value) \ | |
290 ); \ | |
291 reg[dest].I = Result; \ | |
292 Z_FLAG = (Flags >> 29) & 1; \ | |
293 N_FLAG = (Flags >> 31) & 1; \ | |
294 C_FLAG = (Flags >> 25) & 1; \ | |
295 V_FLAG = (Flags >> 26) & 1; \ | |
296 } | |
297 #define OP_ADD \ | |
298 { \ | |
299 reg[dest].I = reg[base].I + value; \ | |
300 } | |
301 | |
302 #define OP_ADDS \ | |
303 { \ | |
304 register int Flags; \ | |
305 register int Result; \ | |
306 asm volatile ("addco. %0, %2, %3\n" \ | |
307 "mcrxr cr1\n" \ | |
308 "mfcr %1\n" \ | |
309 : "=r" (Result), \ | |
310 "=r" (Flags) \ | |
311 : "r" (reg[base].I), \ | |
312 "r" (value) \ | |
313 ); \ | |
314 reg[dest].I = Result; \ | |
315 Z_FLAG = (Flags >> 29) & 1; \ | |
316 N_FLAG = (Flags >> 31) & 1; \ | |
317 C_FLAG = (Flags >> 25) & 1; \ | |
318 V_FLAG = (Flags >> 26) & 1; \ | |
319 } | |
320 #define OP_ADC \ | |
321 { \ | |
322 reg[dest].I = reg[base].I + value + (u32)C_FLAG; \ | |
323 } | |
324 #define OP_ADCS \ | |
325 { \ | |
326 register int Flags; \ | |
327 register int Result; \ | |
328 asm volatile ("mtspr xer, %4\n" \ | |
329 "addeo. %0, %2, %3\n" \ | |
330 "mcrxr cr1\n" \ | |
331 "mfcr %1\n" \ | |
332 : "=r" (Result), \ | |
333 "=r" (Flags) \ | |
334 : "r" (reg[base].I), \ | |
335 "r" (value), \ | |
336 "r" (C_FLAG << 29) \ | |
337 ); \ | |
338 reg[dest].I = Result; \ | |
339 Z_FLAG = (Flags >> 29) & 1; \ | |
340 N_FLAG = (Flags >> 31) & 1; \ | |
341 C_FLAG = (Flags >> 25) & 1; \ | |
342 V_FLAG = (Flags >> 26) & 1; \ | |
343 } | |
344 #define OP_SBC \ | |
345 { \ | |
346 reg[dest].I = reg[base].I - value - (C_FLAG ^ 1); \ | |
347 } | |
348 #define OP_SBCS \ | |
349 { \ | |
350 register int Flags; \ | |
351 register int Result; \ | |
352 asm volatile ("mtspr xer, %4\n" \ | |
353 "subfeo. %0, %3, %2\n" \ | |
354 "mcrxr cr1\n" \ | |
355 "mfcr %1\n" \ | |
356 : "=r" (Result), \ | |
357 "=r" (Flags) \ | |
358 : "r" (reg[base].I), \ | |
359 "r" (value), \ | |
360 "r" (C_FLAG << 29) \ | |
361 ); \ | |
362 reg[dest].I = Result; \ | |
363 Z_FLAG = (Flags >> 29) & 1; \ | |
364 N_FLAG = (Flags >> 31) & 1; \ | |
365 C_FLAG = (Flags >> 25) & 1; \ | |
366 V_FLAG = (Flags >> 26) & 1; \ | |
367 } | |
368 #define OP_RSC \ | |
369 { \ | |
370 reg[dest].I = value - reg[base].I - (C_FLAG ^ 1); \ | |
371 } | |
372 #define OP_RSCS \ | |
373 { \ | |
374 register int Flags; \ | |
375 register int Result; \ | |
376 asm volatile ("mtspr xer, %4\n" \ | |
377 "subfeo. %0, %2, %3\n" \ | |
378 "mcrxr cr1\n" \ | |
379 "mfcr %1\n" \ | |
380 : "=r" (Result), \ | |
381 "=r" (Flags) \ | |
382 : "r" (reg[base].I), \ | |
383 "r" (value), \ | |
384 "r" (C_FLAG << 29) \ | |
385 ); \ | |
386 reg[dest].I = Result; \ | |
387 Z_FLAG = (Flags >> 29) & 1; \ | |
388 N_FLAG = (Flags >> 31) & 1; \ | |
389 C_FLAG = (Flags >> 25) & 1; \ | |
390 V_FLAG = (Flags >> 26) & 1; \ | |
391 } | |
392 #define OP_CMP \ | |
393 { \ | |
394 register int Flags; \ | |
395 register int Result; \ | |
396 asm volatile ("subco. %0, %2, %3\n" \ | |
397 "mcrxr cr1\n" \ | |
398 "mfcr %1\n" \ | |
399 : "=r" (Result), \ | |
400 "=r" (Flags) \ | |
401 : "r" (reg[base].I), \ | |
402 "r" (value) \ | |
403 ); \ | |
404 Z_FLAG = (Flags >> 29) & 1; \ | |
405 N_FLAG = (Flags >> 31) & 1; \ | |
406 C_FLAG = (Flags >> 25) & 1; \ | |
407 V_FLAG = (Flags >> 26) & 1; \ | |
408 } | |
409 #define OP_CMN \ | |
410 { \ | |
411 register int Flags; \ | |
412 register int Result; \ | |
413 asm volatile ("addco. %0, %2, %3\n" \ | |
414 "mcrxr cr1\n" \ | |
415 "mfcr %1\n" \ | |
416 : "=r" (Result), \ | |
417 "=r" (Flags) \ | |
418 : "r" (reg[base].I), \ | |
419 "r" (value) \ | |
420 ); \ | |
421 Z_FLAG = (Flags >> 29) & 1; \ | |
422 N_FLAG = (Flags >> 31) & 1; \ | |
423 C_FLAG = (Flags >> 25) & 1; \ | |
424 V_FLAG = (Flags >> 26) & 1; \ | |
425 } | |
426 | |
427 #define LOGICAL_LSL_REG \ | |
428 { \ | |
429 u32 v = reg[opcode & 0x0f].I; \ | |
430 C_OUT = (v >> (32 - shift)) & 1 ? true : false; \ | |
431 value = v << shift; \ | |
432 } | |
433 #define LOGICAL_LSR_REG \ | |
434 { \ | |
435 u32 v = reg[opcode & 0x0f].I; \ | |
436 C_OUT = (v >> (shift - 1)) & 1 ? true : false; \ | |
437 value = v >> shift; \ | |
438 } | |
439 #define LOGICAL_ASR_REG \ | |
440 { \ | |
441 u32 v = reg[opcode & 0x0f].I; \ | |
442 C_OUT = ((s32)v >> (int)(shift - 1)) & 1 ? true : false; \ | |
443 value = (s32)v >> (int)shift; \ | |
444 } | |
445 #define LOGICAL_ROR_REG \ | |
446 { \ | |
447 u32 v = reg[opcode & 0x0f].I; \ | |
448 C_OUT = (v >> (shift - 1)) & 1 ? true : false; \ | |
449 value = ((v << (32 - shift)) | \ | |
450 (v >> shift)); \ | |
451 } | |
452 #define LOGICAL_RRX_REG \ | |
453 { \ | |
454 u32 v = reg[opcode & 0x0f].I; \ | |
455 shift = (int)C_FLAG; \ | |
456 C_OUT = (v & 1) ? true : false; \ | |
457 value = ((v >> 1) | \ | |
458 (shift << 31)); \ | |
459 } | |
460 #define LOGICAL_ROR_IMM \ | |
461 { \ | |
462 u32 v = opcode & 0xff; \ | |
463 C_OUT = (v >> (shift - 1)) & 1 ? true : false; \ | |
464 value = ((v << (32 - shift)) | \ | |
465 (v >> shift)); \ | |
466 } | |
467 #define ARITHMETIC_LSL_REG \ | |
468 { \ | |
469 u32 v = reg[opcode & 0x0f].I; \ | |
470 value = v << shift; \ | |
471 } | |
472 #define ARITHMETIC_LSR_REG \ | |
473 { \ | |
474 u32 v = reg[opcode & 0x0f].I; \ | |
475 value = v >> shift; \ | |
476 } | |
477 #define ARITHMETIC_ASR_REG \ | |
478 { \ | |
479 u32 v = reg[opcode & 0x0f].I; \ | |
480 value = (s32)v >> (int)shift; \ | |
481 } | |
482 #define ARITHMETIC_ROR_REG \ | |
483 { \ | |
484 u32 v = reg[opcode & 0x0f].I; \ | |
485 value = ((v << (32 - shift)) | \ | |
486 (v >> shift)); \ | |
487 } | |
488 #define ARITHMETIC_RRX_REG \ | |
489 { \ | |
490 u32 v = reg[opcode & 0x0f].I; \ | |
491 shift = (int)C_FLAG; \ | |
492 value = ((v >> 1) | \ | |
493 (shift << 31)); \ | |
494 } | |
495 #define ARITHMETIC_ROR_IMM \ | |
496 { \ | |
497 u32 v = opcode & 0xff; \ | |
498 value = ((v << (32 - shift)) | \ | |
499 (v >> shift)); \ | |
500 } | |
501 #define ROR_IMM_MSR \ | |
502 { \ | |
503 u32 v = opcode & 0xff; \ | |
504 value = ((v << (32 - shift)) | \ | |
505 (v >> shift)); \ | |
506 } | |
507 #define ROR_VALUE \ | |
508 { \ | |
509 value = ((value << (32 - shift)) | \ | |
510 (value >> shift)); \ | |
511 } | |
512 #define RCR_VALUE \ | |
513 { \ | |
514 shift = (int)C_FLAG; \ | |
515 value = ((value >> 1) | \ | |
516 (shift << 31)); \ | |
517 } | |
518 #else | |
519 #define OP_SUB \ | |
520 asm ("sub %1, %%ebx;" \ | |
521 : "=b" (reg[dest].I) \ | |
522 : "r" (value), "b" (reg[base].I)); | |
523 | |
524 #define OP_SUBS \ | |
525 asm ("sub %1, %%ebx;" \ | |
526 "setsb N_FLAG;" \ | |
527 "setzb Z_FLAG;" \ | |
528 "setncb C_FLAG;" \ | |
529 "setob V_FLAG;" \ | |
530 : "=b" (reg[dest].I) \ | |
531 : "r" (value), "b" (reg[base].I)); | |
532 | |
533 #define OP_RSB \ | |
534 asm ("sub %1, %%ebx;" \ | |
535 : "=b" (reg[dest].I) \ | |
536 : "r" (reg[base].I), "b" (value)); | |
537 | |
538 #define OP_RSBS \ | |
539 asm ("sub %1, %%ebx;" \ | |
540 "setsb N_FLAG;" \ | |
541 "setzb Z_FLAG;" \ | |
542 "setncb C_FLAG;" \ | |
543 "setob V_FLAG;" \ | |
544 : "=b" (reg[dest].I) \ | |
545 : "r" (reg[base].I), "b" (value)); | |
546 | |
547 #define OP_ADD \ | |
548 asm ("add %1, %%ebx;" \ | |
549 : "=b" (reg[dest].I) \ | |
550 : "r" (value), "b" (reg[base].I)); | |
551 | |
552 #define OP_ADDS \ | |
553 asm ("add %1, %%ebx;" \ | |
554 "setsb N_FLAG;" \ | |
555 "setzb Z_FLAG;" \ | |
556 "setcb C_FLAG;" \ | |
557 "setob V_FLAG;" \ | |
558 : "=b" (reg[dest].I) \ | |
559 : "r" (value), "b" (reg[base].I)); | |
560 | |
561 #define OP_ADC \ | |
562 asm ("bt $0, C_FLAG;" \ | |
563 "adc %1, %%ebx;" \ | |
564 : "=b" (reg[dest].I) \ | |
565 : "r" (value), "b" (reg[base].I)); | |
566 | |
567 #define OP_ADCS \ | |
568 asm ("bt $0, C_FLAG;" \ | |
569 "adc %1, %%ebx;" \ | |
570 "setsb N_FLAG;" \ | |
571 "setzb Z_FLAG;" \ | |
572 "setcb C_FLAG;" \ | |
573 "setob V_FLAG;" \ | |
574 : "=b" (reg[dest].I) \ | |
575 : "r" (value), "b" (reg[base].I)); | |
576 | |
577 #define OP_SBC \ | |
578 asm ("bt $0, C_FLAG;" \ | |
579 "cmc;" \ | |
580 "sbb %1, %%ebx;" \ | |
581 : "=b" (reg[dest].I) \ | |
582 : "r" (value), "b" (reg[base].I)); | |
583 | |
584 #define OP_SBCS \ | |
585 asm ("bt $0, C_FLAG;" \ | |
586 "cmc;" \ | |
587 "sbb %1, %%ebx;" \ | |
588 "setsb N_FLAG;" \ | |
589 "setzb Z_FLAG;" \ | |
590 "setncb C_FLAG;" \ | |
591 "setob V_FLAG;" \ | |
592 : "=b" (reg[dest].I) \ | |
593 : "r" (value), "b" (reg[base].I)); | |
594 #define OP_RSC \ | |
595 asm ("bt $0, C_FLAG;" \ | |
596 "cmc;" \ | |
597 "sbb %1, %%ebx;" \ | |
598 : "=b" (reg[dest].I) \ | |
599 : "r" (reg[base].I), "b" (value)); | |
600 | |
601 #define OP_RSCS \ | |
602 asm ("bt $0, C_FLAG;" \ | |
603 "cmc;" \ | |
604 "sbb %1, %%ebx;" \ | |
605 "setsb N_FLAG;" \ | |
606 "setzb Z_FLAG;" \ | |
607 "setncb C_FLAG;" \ | |
608 "setob V_FLAG;" \ | |
609 : "=b" (reg[dest].I) \ | |
610 : "r" (reg[base].I), "b" (value)); | |
611 #define OP_CMP \ | |
612 asm ("sub %0, %1;" \ | |
613 "setsb N_FLAG;" \ | |
614 "setzb Z_FLAG;" \ | |
615 "setncb C_FLAG;" \ | |
616 "setob V_FLAG;" \ | |
617 : \ | |
618 : "r" (value), "r" (reg[base].I)); | |
619 | |
620 #define OP_CMN \ | |
621 asm ("add %0, %1;" \ | |
622 "setsb N_FLAG;" \ | |
623 "setzb Z_FLAG;" \ | |
624 "setcb C_FLAG;" \ | |
625 "setob V_FLAG;" \ | |
626 : \ | |
627 : "r" (value), "r" (reg[base].I)); | |
628 #define LOGICAL_LSL_REG \ | |
629 asm ("shl %%cl, %%eax;" \ | |
630 "setcb %%cl;" \ | |
631 : "=a" (value), "=c" (C_OUT) \ | |
632 : "a" (reg[opcode & 0x0f].I), "c" (shift)); | |
633 | |
634 #define LOGICAL_LSR_REG \ | |
635 asm ("shr %%cl, %%eax;" \ | |
636 "setcb %%cl;" \ | |
637 : "=a" (value), "=c" (C_OUT) \ | |
638 : "a" (reg[opcode & 0x0f].I), "c" (shift)); | |
639 | |
640 #define LOGICAL_ASR_REG \ | |
641 asm ("sar %%cl, %%eax;" \ | |
642 "setcb %%cl;" \ | |
643 : "=a" (value), "=c" (C_OUT) \ | |
644 : "a" (reg[opcode & 0x0f].I), "c" (shift)); | |
645 | |
646 #define LOGICAL_ROR_REG \ | |
647 asm ("ror %%cl, %%eax;" \ | |
648 "setcb %%cl;" \ | |
649 : "=a" (value), "=c" (C_OUT) \ | |
650 : "a" (reg[opcode & 0x0f].I), "c" (shift)); | |
651 | |
652 #define LOGICAL_RRX_REG \ | |
653 asm ("bt $0, C_FLAG;" \ | |
654 "rcr $1, %%eax;" \ | |
655 "setcb %%cl;" \ | |
656 : "=a" (value), "=c" (C_OUT) \ | |
657 : "a" (reg[opcode & 0x0f].I)); | |
658 | |
659 #define LOGICAL_ROR_IMM \ | |
660 asm ("ror %%cl, %%eax;" \ | |
661 "setcb %%cl;" \ | |
662 : "=a" (value), "=c" (C_OUT) \ | |
663 : "a" (opcode & 0xff), "c" (shift)); | |
664 #define ARITHMETIC_LSL_REG \ | |
665 asm ("\ | |
666 shl %%cl, %%eax;" \ | |
667 : "=a" (value) \ | |
668 : "a" (reg[opcode & 0x0f].I), "c" (shift)); | |
669 | |
670 #define ARITHMETIC_LSR_REG \ | |
671 asm ("\ | |
672 shr %%cl, %%eax;" \ | |
673 : "=a" (value) \ | |
674 : "a" (reg[opcode & 0x0f].I), "c" (shift)); | |
675 | |
676 #define ARITHMETIC_ASR_REG \ | |
677 asm ("\ | |
678 sar %%cl, %%eax;" \ | |
679 : "=a" (value) \ | |
680 : "a" (reg[opcode & 0x0f].I), "c" (shift)); | |
681 | |
682 #define ARITHMETIC_ROR_REG \ | |
683 asm ("\ | |
684 ror %%cl, %%eax;" \ | |
685 : "=a" (value) \ | |
686 : "a" (reg[opcode & 0x0f].I), "c" (shift)); | |
687 | |
688 #define ARITHMETIC_RRX_REG \ | |
689 asm ("\ | |
690 bt $0, C_FLAG;\ | |
691 rcr $1, %%eax;" \ | |
692 : "=a" (value) \ | |
693 : "a" (reg[opcode & 0x0f].I)); | |
694 | |
695 #define ARITHMETIC_ROR_IMM \ | |
696 asm ("\ | |
697 ror %%cl, %%eax;" \ | |
698 : "=a" (value) \ | |
699 : "a" (opcode & 0xff), "c" (shift)); | |
700 #define ROR_IMM_MSR \ | |
701 asm ("ror %%cl, %%eax;" \ | |
702 : "=a" (value) \ | |
703 : "a" (opcode & 0xFF), "c" (shift)); | |
704 #define ROR_VALUE \ | |
705 asm ("ror %%cl, %0" \ | |
706 : "=r" (value) \ | |
707 : "r" (value), "c" (shift)); | |
708 #define RCR_VALUE \ | |
709 asm ("bt $0, C_FLAG;" \ | |
710 "rcr $1, %0" \ | |
711 : "=r" (value) \ | |
712 : "r" (value)); | |
713 #endif | |
714 #else | |
715 #define OP_SUB \ | |
716 { \ | |
717 __asm mov ebx, base \ | |
718 __asm mov ebx, dword ptr [OFFSET reg + 4 * ebx] \ | |
719 __asm sub ebx, value \ | |
720 __asm mov eax, dest \ | |
721 __asm mov dword ptr [OFFSET reg + 4 * eax], ebx \ | |
722 } | |
723 | |
724 #define OP_SUBS \ | |
725 { \ | |
726 __asm mov ebx, base \ | |
727 __asm mov ebx, dword ptr [OFFSET reg + 4 * ebx] \ | |
728 __asm sub ebx, value \ | |
729 __asm mov eax, dest \ | |
730 __asm mov dword ptr [OFFSET reg + 4 * eax], ebx \ | |
731 __asm sets byte ptr N_FLAG \ | |
732 __asm setz byte ptr Z_FLAG \ | |
733 __asm setnc byte ptr C_FLAG \ | |
734 __asm seto byte ptr V_FLAG \ | |
735 } | |
736 | |
737 #define OP_RSB \ | |
738 { \ | |
739 __asm mov ebx, base \ | |
740 __asm mov ebx, dword ptr [OFFSET reg + 4 * ebx] \ | |
741 __asm mov eax, value \ | |
742 __asm sub eax, ebx \ | |
743 __asm mov ebx, dest \ | |
744 __asm mov dword ptr [OFFSET reg + 4 * ebx], eax \ | |
745 } | |
746 | |
747 #define OP_RSBS \ | |
748 { \ | |
749 __asm mov ebx, base \ | |
750 __asm mov ebx, dword ptr [OFFSET reg + 4 * ebx] \ | |
751 __asm mov eax, value \ | |
752 __asm sub eax, ebx \ | |
753 __asm mov ebx, dest \ | |
754 __asm mov dword ptr [OFFSET reg + 4 * ebx], eax \ | |
755 __asm sets byte ptr N_FLAG \ | |
756 __asm setz byte ptr Z_FLAG \ | |
757 __asm setnc byte ptr C_FLAG \ | |
758 __asm seto byte ptr V_FLAG \ | |
759 } | |
760 | |
761 #define OP_ADD \ | |
762 { \ | |
763 __asm mov ebx, base \ | |
764 __asm mov ebx, dword ptr [OFFSET reg + 4 * ebx] \ | |
765 __asm add ebx, value \ | |
766 __asm mov eax, dest \ | |
767 __asm mov dword ptr [OFFSET reg + 4 * eax], ebx \ | |
768 } | |
769 | |
770 #define OP_ADDS \ | |
771 { \ | |
772 __asm mov ebx, base \ | |
773 __asm mov ebx, dword ptr [OFFSET reg + 4 * ebx] \ | |
774 __asm add ebx, value \ | |
775 __asm mov eax, dest \ | |
776 __asm mov dword ptr [OFFSET reg + 4 * eax], ebx \ | |
777 __asm sets byte ptr N_FLAG \ | |
778 __asm setz byte ptr Z_FLAG \ | |
779 __asm setc byte ptr C_FLAG \ | |
780 __asm seto byte ptr V_FLAG \ | |
781 } | |
782 | |
783 #define OP_ADC \ | |
784 { \ | |
785 __asm mov ebx, base \ | |
786 __asm mov ebx, dword ptr [OFFSET reg + 4 * ebx] \ | |
787 __asm bt word ptr C_FLAG, 0 \ | |
788 __asm adc ebx, value \ | |
789 __asm mov eax, dest \ | |
790 __asm mov dword ptr [OFFSET reg + 4 * eax], ebx \ | |
791 } | |
792 | |
793 #define OP_ADCS \ | |
794 { \ | |
795 __asm mov ebx, base \ | |
796 __asm mov ebx, dword ptr [OFFSET reg + 4 * ebx] \ | |
797 __asm bt word ptr C_FLAG, 0 \ | |
798 __asm adc ebx, value \ | |
799 __asm mov eax, dest \ | |
800 __asm mov dword ptr [OFFSET reg + 4 * eax], ebx \ | |
801 __asm sets byte ptr N_FLAG \ | |
802 __asm setz byte ptr Z_FLAG \ | |
803 __asm setc byte ptr C_FLAG \ | |
804 __asm seto byte ptr V_FLAG \ | |
805 } | |
806 | |
807 #define OP_SBC \ | |
808 { \ | |
809 __asm mov ebx, base \ | |
810 __asm mov ebx, dword ptr [OFFSET reg + 4 * ebx] \ | |
811 __asm mov eax, value \ | |
812 __asm bt word ptr C_FLAG, 0 \ | |
813 __asm cmc \ | |
814 __asm sbb ebx, eax \ | |
815 __asm mov eax, dest \ | |
816 __asm mov dword ptr [OFFSET reg + 4 * eax], ebx \ | |
817 } | |
818 | |
819 #define OP_SBCS \ | |
820 { \ | |
821 __asm mov ebx, base \ | |
822 __asm mov ebx, dword ptr [OFFSET reg + 4 * ebx] \ | |
823 __asm mov eax, value \ | |
824 __asm bt word ptr C_FLAG, 0 \ | |
825 __asm cmc \ | |
826 __asm sbb ebx, eax \ | |
827 __asm mov eax, dest \ | |
828 __asm mov dword ptr [OFFSET reg + 4 * eax], ebx \ | |
829 __asm sets byte ptr N_FLAG \ | |
830 __asm setz byte ptr Z_FLAG \ | |
831 __asm setnc byte ptr C_FLAG \ | |
832 __asm seto byte ptr V_FLAG \ | |
833 } | |
834 #define OP_RSC \ | |
835 { \ | |
836 __asm mov ebx, value \ | |
837 __asm mov eax, base \ | |
838 __asm mov eax, dword ptr[OFFSET reg + 4 * eax] \ | |
839 __asm bt word ptr C_FLAG, 0 \ | |
840 __asm cmc \ | |
841 __asm sbb ebx, eax \ | |
842 __asm mov eax, dest \ | |
843 __asm mov dword ptr [OFFSET reg + 4 * eax], ebx \ | |
844 } | |
845 | |
846 #define OP_RSCS \ | |
847 { \ | |
848 __asm mov ebx, value \ | |
849 __asm mov eax, base \ | |
850 __asm mov eax, dword ptr[OFFSET reg + 4 * eax] \ | |
851 __asm bt word ptr C_FLAG, 0 \ | |
852 __asm cmc \ | |
853 __asm sbb ebx, eax \ | |
854 __asm mov eax, dest \ | |
855 __asm mov dword ptr [OFFSET reg + 4 * eax], ebx \ | |
856 __asm sets byte ptr N_FLAG \ | |
857 __asm setz byte ptr Z_FLAG \ | |
858 __asm setnc byte ptr C_FLAG \ | |
859 __asm seto byte ptr V_FLAG \ | |
860 } | |
861 #define OP_CMP \ | |
862 { \ | |
863 __asm mov eax, base \ | |
864 __asm mov ebx, dword ptr [OFFSET reg + 4 * eax] \ | |
865 __asm sub ebx, value \ | |
866 __asm sets byte ptr N_FLAG \ | |
867 __asm setz byte ptr Z_FLAG \ | |
868 __asm setnc byte ptr C_FLAG \ | |
869 __asm seto byte ptr V_FLAG \ | |
870 } | |
871 | |
872 #define OP_CMN \ | |
873 { \ | |
874 __asm mov eax, base \ | |
875 __asm mov ebx, dword ptr [OFFSET reg + 4 * eax] \ | |
876 __asm add ebx, value \ | |
877 __asm sets byte ptr N_FLAG \ | |
878 __asm setz byte ptr Z_FLAG \ | |
879 __asm setc byte ptr C_FLAG \ | |
880 __asm seto byte ptr V_FLAG \ | |
881 } | |
882 #define LOGICAL_LSL_REG \ | |
883 __asm mov eax, opcode \ | |
884 __asm and eax, 0x0f \ | |
885 __asm mov eax, dword ptr [OFFSET reg + 4 * eax] \ | |
886 __asm mov cl, byte ptr shift \ | |
887 __asm shl eax, cl \ | |
888 __asm mov value, eax \ | |
889 __asm setc byte ptr C_OUT | |
890 | |
891 #define LOGICAL_LSR_REG \ | |
892 __asm mov eax, opcode \ | |
893 __asm and eax, 0x0f \ | |
894 __asm mov eax, dword ptr [OFFSET reg + 4 * eax] \ | |
895 __asm mov cl, byte ptr shift \ | |
896 __asm shr eax, cl \ | |
897 __asm mov value, eax \ | |
898 __asm setc byte ptr C_OUT | |
899 | |
900 #define LOGICAL_ASR_REG \ | |
901 __asm mov eax, opcode \ | |
902 __asm and eax, 0x0f \ | |
903 __asm mov eax, dword ptr [OFFSET reg + 4 * eax] \ | |
904 __asm mov cl, byte ptr shift \ | |
905 __asm sar eax, cl \ | |
906 __asm mov value, eax \ | |
907 __asm setc byte ptr C_OUT | |
908 | |
909 #define LOGICAL_ROR_REG \ | |
910 __asm mov eax, opcode \ | |
911 __asm and eax, 0x0F \ | |
912 __asm mov eax, dword ptr [OFFSET reg + 4 * eax] \ | |
913 __asm mov cl, byte ptr shift \ | |
914 __asm ror eax, cl \ | |
915 __asm mov value, eax \ | |
916 __asm setc byte ptr C_OUT | |
917 | |
918 #define LOGICAL_RRX_REG \ | |
919 __asm mov eax, opcode \ | |
920 __asm and eax, 0x0F \ | |
921 __asm mov eax, dword ptr [OFFSET reg + 4 * eax] \ | |
922 __asm bt word ptr C_OUT, 0 \ | |
923 __asm rcr eax, 1 \ | |
924 __asm mov value, eax \ | |
925 __asm setc byte ptr C_OUT | |
926 | |
927 #define LOGICAL_ROR_IMM \ | |
928 __asm mov eax, opcode \ | |
929 __asm and eax, 0xff \ | |
930 __asm mov cl, byte ptr shift \ | |
931 __asm ror eax, cl \ | |
932 __asm mov value, eax \ | |
933 __asm setc byte ptr C_OUT | |
934 #define ARITHMETIC_LSL_REG \ | |
935 __asm mov eax, opcode \ | |
936 __asm and eax, 0x0f \ | |
937 __asm mov eax, dword ptr [OFFSET reg + 4 * eax] \ | |
938 __asm mov cl, byte ptr shift \ | |
939 __asm shl eax, cl \ | |
940 __asm mov value, eax | |
941 | |
942 #define ARITHMETIC_LSR_REG \ | |
943 __asm mov eax, opcode \ | |
944 __asm and eax, 0x0f \ | |
945 __asm mov eax, dword ptr [OFFSET reg + 4 * eax] \ | |
946 __asm mov cl, byte ptr shift \ | |
947 __asm shr eax, cl \ | |
948 __asm mov value, eax | |
949 | |
950 #define ARITHMETIC_ASR_REG \ | |
951 __asm mov eax, opcode \ | |
952 __asm and eax, 0x0f \ | |
953 __asm mov eax, dword ptr [OFFSET reg + 4 * eax] \ | |
954 __asm mov cl, byte ptr shift \ | |
955 __asm sar eax, cl \ | |
956 __asm mov value, eax | |
957 | |
958 #define ARITHMETIC_ROR_REG \ | |
959 __asm mov eax, opcode \ | |
960 __asm and eax, 0x0F \ | |
961 __asm mov eax, dword ptr [OFFSET reg + 4 * eax] \ | |
962 __asm mov cl, byte ptr shift \ | |
963 __asm ror eax, cl \ | |
964 __asm mov value, eax | |
965 | |
966 #define ARITHMETIC_RRX_REG \ | |
967 __asm mov eax, opcode \ | |
968 __asm and eax, 0x0F \ | |
969 __asm mov eax, dword ptr [OFFSET reg + 4 * eax] \ | |
970 __asm bt word ptr C_FLAG, 0 \ | |
971 __asm rcr eax, 1 \ | |
972 __asm mov value, eax | |
973 | |
974 #define ARITHMETIC_ROR_IMM \ | |
975 __asm mov eax, opcode \ | |
976 __asm and eax, 0xff \ | |
977 __asm mov cl, byte ptr shift \ | |
978 __asm ror eax, cl \ | |
979 __asm mov value, eax | |
980 #define ROR_IMM_MSR \ | |
981 { \ | |
982 __asm mov eax, opcode \ | |
983 __asm and eax, 0xff \ | |
984 __asm mov cl, byte ptr shift \ | |
985 __asm ror eax, CL \ | |
986 __asm mov value, eax \ | |
987 } | |
988 #define ROR_VALUE \ | |
989 { \ | |
990 __asm mov cl, byte ptr shift \ | |
991 __asm ror dword ptr value, cl \ | |
992 } | |
993 #define RCR_VALUE \ | |
994 { \ | |
995 __asm mov cl, byte ptr shift \ | |
996 __asm bt word ptr C_FLAG, 0 \ | |
997 __asm rcr dword ptr value, 1 \ | |
998 } | |
999 #endif | |
1000 #endif | |
1001 | |
1002 #define OP_TST \ | |
1003 u32 res = reg[base].I & value; \ | |
1004 N_FLAG = (res & 0x80000000) ? true : false; \ | |
1005 Z_FLAG = (res) ? false : true; \ | |
1006 C_FLAG = C_OUT; | |
1007 | |
1008 #define OP_TEQ \ | |
1009 u32 res = reg[base].I ^ value; \ | |
1010 N_FLAG = (res & 0x80000000) ? true : false; \ | |
1011 Z_FLAG = (res) ? false : true; \ | |
1012 C_FLAG = C_OUT; | |
1013 | |
1014 #define OP_ORR \ | |
1015 reg[dest].I = reg[base].I | value; | |
1016 | |
1017 #define OP_ORRS \ | |
1018 reg[dest].I = reg[base].I | value; \ | |
1019 N_FLAG = (reg[dest].I & 0x80000000) ? true : false; \ | |
1020 Z_FLAG = (reg[dest].I) ? false : true; \ | |
1021 C_FLAG = C_OUT; | |
1022 | |
1023 #define OP_MOV \ | |
1024 reg[dest].I = value; | |
1025 | |
1026 #define OP_MOVS \ | |
1027 reg[dest].I = value; \ | |
1028 N_FLAG = (reg[dest].I & 0x80000000) ? true : false; \ | |
1029 Z_FLAG = (reg[dest].I) ? false : true; \ | |
1030 C_FLAG = C_OUT; | |
1031 | |
1032 #define OP_BIC \ | |
1033 reg[dest].I = reg[base].I & (~value); | |
1034 | |
1035 #define OP_BICS \ | |
1036 reg[dest].I = reg[base].I & (~value); \ | |
1037 N_FLAG = (reg[dest].I & 0x80000000) ? true : false; \ | |
1038 Z_FLAG = (reg[dest].I) ? false : true; \ | |
1039 C_FLAG = C_OUT; | |
1040 | |
1041 #define OP_MVN \ | |
1042 reg[dest].I = ~value; | |
1043 | |
1044 #define OP_MVNS \ | |
1045 reg[dest].I = ~value; \ | |
1046 N_FLAG = (reg[dest].I & 0x80000000) ? true : false; \ | |
1047 Z_FLAG = (reg[dest].I) ? false : true; \ | |
1048 C_FLAG = C_OUT; | |
1049 | |
1050 #define CASE_16(BASE) \ | |
1051 case BASE: \ | |
1052 case BASE + 1: \ | |
1053 case BASE + 2: \ | |
1054 case BASE + 3: \ | |
1055 case BASE + 4: \ | |
1056 case BASE + 5: \ | |
1057 case BASE + 6: \ | |
1058 case BASE + 7: \ | |
1059 case BASE + 8: \ | |
1060 case BASE + 9: \ | |
1061 case BASE + 10: \ | |
1062 case BASE + 11: \ | |
1063 case BASE + 12: \ | |
1064 case BASE + 13: \ | |
1065 case BASE + 14: \ | |
1066 case BASE + 15: | |
1067 | |
1068 #define CASE_256(BASE) \ | |
1069 CASE_16(BASE) \ | |
1070 CASE_16(BASE + 0x10) \ | |
1071 CASE_16(BASE + 0x20) \ | |
1072 CASE_16(BASE + 0x30) \ | |
1073 CASE_16(BASE + 0x40) \ | |
1074 CASE_16(BASE + 0x50) \ | |
1075 CASE_16(BASE + 0x60) \ | |
1076 CASE_16(BASE + 0x70) \ | |
1077 CASE_16(BASE + 0x80) \ | |
1078 CASE_16(BASE + 0x90) \ | |
1079 CASE_16(BASE + 0xa0) \ | |
1080 CASE_16(BASE + 0xb0) \ | |
1081 CASE_16(BASE + 0xc0) \ | |
1082 CASE_16(BASE + 0xd0) \ | |
1083 CASE_16(BASE + 0xe0) \ | |
1084 CASE_16(BASE + 0xf0) | |
1085 | |
1086 #define LOGICAL_DATA_OPCODE(OPCODE, OPCODE2, BASE) \ | |
1087 case BASE: \ | |
1088 case BASE + 8: \ | |
1089 { \ | |
1090 /* OP Rd,Rb,Rm LSL # */ \ | |
1091 int base = (opcode >> 16) & 0x0F; \ | |
1092 int shift = (opcode >> 7) & 0x1F; \ | |
1093 int dest = (opcode >> 12) & 15; \ | |
1094 bool C_OUT = C_FLAG; \ | |
1095 u32 value; \ | |
1096 \ | |
1097 if (shift) { \ | |
1098 LOGICAL_LSL_REG \ | |
1099 } else { \ | |
1100 value = reg[opcode & 0x0F].I; \ | |
1101 } \ | |
1102 if (dest == 15) { \ | |
1103 OPCODE2 \ | |
1104 /* todo */ \ | |
1105 if (opcode & 0x00100000) { \ | |
1106 clockTicks++; \ | |
1107 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1108 } \ | |
1109 if (armState) { \ | |
1110 reg[15].I &= 0xFFFFFFFC; \ | |
1111 armNextPC = reg[15].I; \ | |
1112 reg[15].I += 4; \ | |
1113 } else { \ | |
1114 reg[15].I &= 0xFFFFFFFE; \ | |
1115 armNextPC = reg[15].I; \ | |
1116 reg[15].I += 2; \ | |
1117 } \ | |
1118 } else { \ | |
1119 OPCODE \ | |
1120 } \ | |
1121 } \ | |
1122 break; \ | |
1123 case BASE + 2: \ | |
1124 case BASE + 10: \ | |
1125 { \ | |
1126 /* OP Rd,Rb,Rm LSR # */ \ | |
1127 int base = (opcode >> 16) & 0x0F; \ | |
1128 int shift = (opcode >> 7) & 0x1F; \ | |
1129 int dest = (opcode >> 12) & 15; \ | |
1130 bool C_OUT = C_FLAG; \ | |
1131 u32 value; \ | |
1132 if (shift) { \ | |
1133 LOGICAL_LSR_REG \ | |
1134 } else { \ | |
1135 value = 0; \ | |
1136 C_OUT = (reg[opcode & 0x0F].I & 0x80000000) ? true : false; \ | |
1137 } \ | |
1138 \ | |
1139 if (dest == 15) { \ | |
1140 OPCODE2 \ | |
1141 /* todo */ \ | |
1142 if (opcode & 0x00100000) { \ | |
1143 clockTicks++; \ | |
1144 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1145 } \ | |
1146 if (armState) { \ | |
1147 reg[15].I &= 0xFFFFFFFC; \ | |
1148 armNextPC = reg[15].I; \ | |
1149 reg[15].I += 4; \ | |
1150 } else { \ | |
1151 reg[15].I &= 0xFFFFFFFE; \ | |
1152 armNextPC = reg[15].I; \ | |
1153 reg[15].I += 2; \ | |
1154 } \ | |
1155 } else { \ | |
1156 OPCODE \ | |
1157 } \ | |
1158 } \ | |
1159 break; \ | |
1160 case BASE + 4: \ | |
1161 case BASE + 12: \ | |
1162 { \ | |
1163 /* OP Rd,Rb,Rm ASR # */ \ | |
1164 int base = (opcode >> 16) & 0x0F; \ | |
1165 int shift = (opcode >> 7) & 0x1F; \ | |
1166 int dest = (opcode >> 12) & 15; \ | |
1167 bool C_OUT = C_FLAG; \ | |
1168 u32 value; \ | |
1169 if (shift) { \ | |
1170 LOGICAL_ASR_REG \ | |
1171 } else { \ | |
1172 if (reg[opcode & 0x0F].I & 0x80000000) { \ | |
1173 value = 0xFFFFFFFF; \ | |
1174 C_OUT = true; \ | |
1175 } else { \ | |
1176 value = 0; \ | |
1177 C_OUT = false; \ | |
1178 } \ | |
1179 } \ | |
1180 \ | |
1181 if (dest == 15) { \ | |
1182 OPCODE2 \ | |
1183 /* todo */ \ | |
1184 if (opcode & 0x00100000) { \ | |
1185 clockTicks++; \ | |
1186 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1187 } \ | |
1188 if (armState) { \ | |
1189 reg[15].I &= 0xFFFFFFFC; \ | |
1190 armNextPC = reg[15].I; \ | |
1191 reg[15].I += 4; \ | |
1192 } else { \ | |
1193 reg[15].I &= 0xFFFFFFFE; \ | |
1194 armNextPC = reg[15].I; \ | |
1195 reg[15].I += 2; \ | |
1196 } \ | |
1197 } else { \ | |
1198 OPCODE \ | |
1199 } \ | |
1200 } \ | |
1201 break; \ | |
1202 case BASE + 6: \ | |
1203 case BASE + 14: \ | |
1204 { \ | |
1205 /* OP Rd,Rb,Rm ROR # */ \ | |
1206 int base = (opcode >> 16) & 0x0F; \ | |
1207 int shift = (opcode >> 7) & 0x1F; \ | |
1208 int dest = (opcode >> 12) & 15; \ | |
1209 bool C_OUT = C_FLAG; \ | |
1210 u32 value; \ | |
1211 if (shift) { \ | |
1212 LOGICAL_ROR_REG \ | |
1213 } else { \ | |
1214 LOGICAL_RRX_REG \ | |
1215 } \ | |
1216 if (dest == 15) { \ | |
1217 OPCODE2 \ | |
1218 /* todo */ \ | |
1219 if (opcode & 0x00100000) { \ | |
1220 clockTicks++; \ | |
1221 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1222 } \ | |
1223 if (armState) { \ | |
1224 reg[15].I &= 0xFFFFFFFC; \ | |
1225 armNextPC = reg[15].I; \ | |
1226 reg[15].I += 4; \ | |
1227 } else { \ | |
1228 reg[15].I &= 0xFFFFFFFE; \ | |
1229 armNextPC = reg[15].I; \ | |
1230 reg[15].I += 2; \ | |
1231 } \ | |
1232 } else { \ | |
1233 OPCODE \ | |
1234 } \ | |
1235 } \ | |
1236 break; \ | |
1237 case BASE + 1: \ | |
1238 { \ | |
1239 /* OP Rd,Rb,Rm LSL Rs */ \ | |
1240 clockTicks++; \ | |
1241 int base = (opcode >> 16) & 0x0F; \ | |
1242 int shift = reg[(opcode >> 8) & 15].B.B0; \ | |
1243 int dest = (opcode >> 12) & 15; \ | |
1244 bool C_OUT = C_FLAG; \ | |
1245 u32 value; \ | |
1246 if (shift) { \ | |
1247 if (shift == 32) { \ | |
1248 value = 0; \ | |
1249 C_OUT = (reg[opcode & 0x0F].I & 1 ? true : false); \ | |
1250 } else if (shift < 32) { \ | |
1251 LOGICAL_LSL_REG \ | |
1252 } else { \ | |
1253 value = 0; \ | |
1254 C_OUT = false; \ | |
1255 } \ | |
1256 } else { \ | |
1257 value = reg[opcode & 0x0F].I; \ | |
1258 } \ | |
1259 if (dest == 15) { \ | |
1260 OPCODE2 \ | |
1261 /* todo */ \ | |
1262 if (opcode & 0x00100000) { \ | |
1263 clockTicks++; \ | |
1264 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1265 } \ | |
1266 if (armState) { \ | |
1267 reg[15].I &= 0xFFFFFFFC; \ | |
1268 armNextPC = reg[15].I; \ | |
1269 reg[15].I += 4; \ | |
1270 } else { \ | |
1271 reg[15].I &= 0xFFFFFFFE; \ | |
1272 armNextPC = reg[15].I; \ | |
1273 reg[15].I += 2; \ | |
1274 } \ | |
1275 } else { \ | |
1276 OPCODE \ | |
1277 } \ | |
1278 } \ | |
1279 break; \ | |
1280 case BASE + 3: \ | |
1281 { \ | |
1282 /* OP Rd,Rb,Rm LSR Rs */ \ | |
1283 clockTicks++; \ | |
1284 int base = (opcode >> 16) & 0x0F; \ | |
1285 int shift = reg[(opcode >> 8) & 15].B.B0; \ | |
1286 int dest = (opcode >> 12) & 15; \ | |
1287 bool C_OUT = C_FLAG; \ | |
1288 u32 value; \ | |
1289 if (shift) { \ | |
1290 if (shift == 32) { \ | |
1291 value = 0; \ | |
1292 C_OUT = (reg[opcode & 0x0F].I & 0x80000000 ? true : false); \ | |
1293 } else if (shift < 32) { \ | |
1294 LOGICAL_LSR_REG \ | |
1295 } else { \ | |
1296 value = 0; \ | |
1297 C_OUT = false; \ | |
1298 } \ | |
1299 } else { \ | |
1300 value = reg[opcode & 0x0F].I; \ | |
1301 } \ | |
1302 if (dest == 15) { \ | |
1303 OPCODE2 \ | |
1304 /* todo */ \ | |
1305 if (opcode & 0x00100000) { \ | |
1306 clockTicks++; \ | |
1307 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1308 } \ | |
1309 if (armState) { \ | |
1310 reg[15].I &= 0xFFFFFFFC; \ | |
1311 armNextPC = reg[15].I; \ | |
1312 reg[15].I += 4; \ | |
1313 } else { \ | |
1314 reg[15].I &= 0xFFFFFFFE; \ | |
1315 armNextPC = reg[15].I; \ | |
1316 reg[15].I += 2; \ | |
1317 } \ | |
1318 } else { \ | |
1319 OPCODE \ | |
1320 } \ | |
1321 } \ | |
1322 break; \ | |
1323 case BASE + 5: \ | |
1324 { \ | |
1325 /* OP Rd,Rb,Rm ASR Rs */ \ | |
1326 clockTicks++; \ | |
1327 int base = (opcode >> 16) & 0x0F; \ | |
1328 int shift = reg[(opcode >> 8) & 15].B.B0; \ | |
1329 int dest = (opcode >> 12) & 15; \ | |
1330 bool C_OUT = C_FLAG; \ | |
1331 u32 value; \ | |
1332 if (shift < 32) { \ | |
1333 if (shift) { \ | |
1334 LOGICAL_ASR_REG \ | |
1335 } else { \ | |
1336 value = reg[opcode & 0x0F].I; \ | |
1337 } \ | |
1338 } else { \ | |
1339 if (reg[opcode & 0x0F].I & 0x80000000) { \ | |
1340 value = 0xFFFFFFFF; \ | |
1341 C_OUT = true; \ | |
1342 } else { \ | |
1343 value = 0; \ | |
1344 C_OUT = false; \ | |
1345 } \ | |
1346 } \ | |
1347 if (dest == 15) { \ | |
1348 OPCODE2 \ | |
1349 /* todo */ \ | |
1350 if (opcode & 0x00100000) { \ | |
1351 clockTicks++; \ | |
1352 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1353 } \ | |
1354 if (armState) { \ | |
1355 reg[15].I &= 0xFFFFFFFC; \ | |
1356 armNextPC = reg[15].I; \ | |
1357 reg[15].I += 4; \ | |
1358 } else { \ | |
1359 reg[15].I &= 0xFFFFFFFE; \ | |
1360 armNextPC = reg[15].I; \ | |
1361 reg[15].I += 2; \ | |
1362 } \ | |
1363 } else { \ | |
1364 OPCODE \ | |
1365 } \ | |
1366 } \ | |
1367 break; \ | |
1368 case BASE + 7: \ | |
1369 { \ | |
1370 /* OP Rd,Rb,Rm ROR Rs */ \ | |
1371 clockTicks++; \ | |
1372 int base = (opcode >> 16) & 0x0F; \ | |
1373 int shift = reg[(opcode >> 8) & 15].B.B0; \ | |
1374 int dest = (opcode >> 12) & 15; \ | |
1375 bool C_OUT = C_FLAG; \ | |
1376 u32 value; \ | |
1377 if (shift) { \ | |
1378 shift &= 0x1f; \ | |
1379 if (shift) { \ | |
1380 LOGICAL_ROR_REG \ | |
1381 } else { \ | |
1382 value = reg[opcode & 0x0F].I; \ | |
1383 C_OUT = (value & 0x80000000 ? true : false); \ | |
1384 } \ | |
1385 } else { \ | |
1386 value = reg[opcode & 0x0F].I; \ | |
1387 C_OUT = (value & 0x80000000 ? true : false); \ | |
1388 } \ | |
1389 if (dest == 15) { \ | |
1390 OPCODE2 \ | |
1391 /* todo */ \ | |
1392 if (opcode & 0x00100000) { \ | |
1393 clockTicks++; \ | |
1394 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1395 } \ | |
1396 if (armState) { \ | |
1397 reg[15].I &= 0xFFFFFFFC; \ | |
1398 armNextPC = reg[15].I; \ | |
1399 reg[15].I += 4; \ | |
1400 } else { \ | |
1401 reg[15].I &= 0xFFFFFFFE; \ | |
1402 armNextPC = reg[15].I; \ | |
1403 reg[15].I += 2; \ | |
1404 } \ | |
1405 } else { \ | |
1406 OPCODE \ | |
1407 } \ | |
1408 } \ | |
1409 break; \ | |
1410 case BASE + 0x200: \ | |
1411 case BASE + 0x201: \ | |
1412 case BASE + 0x202: \ | |
1413 case BASE + 0x203: \ | |
1414 case BASE + 0x204: \ | |
1415 case BASE + 0x205: \ | |
1416 case BASE + 0x206: \ | |
1417 case BASE + 0x207: \ | |
1418 case BASE + 0x208: \ | |
1419 case BASE + 0x209: \ | |
1420 case BASE + 0x20a: \ | |
1421 case BASE + 0x20b: \ | |
1422 case BASE + 0x20c: \ | |
1423 case BASE + 0x20d: \ | |
1424 case BASE + 0x20e: \ | |
1425 case BASE + 0x20f: \ | |
1426 { \ | |
1427 int shift = (opcode & 0xF00) >> 7; \ | |
1428 int base = (opcode >> 16) & 0x0F; \ | |
1429 int dest = (opcode >> 12) & 0x0F; \ | |
1430 bool C_OUT = C_FLAG; \ | |
1431 u32 value; \ | |
1432 if (shift) { \ | |
1433 LOGICAL_ROR_IMM \ | |
1434 } else { \ | |
1435 value = opcode & 0xff; \ | |
1436 } \ | |
1437 if (dest == 15) { \ | |
1438 OPCODE2 \ | |
1439 /* todo */ \ | |
1440 if (opcode & 0x00100000) { \ | |
1441 clockTicks++; \ | |
1442 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1443 } \ | |
1444 if (armState) { \ | |
1445 reg[15].I &= 0xFFFFFFFC; \ | |
1446 armNextPC = reg[15].I; \ | |
1447 reg[15].I += 4; \ | |
1448 } else { \ | |
1449 reg[15].I &= 0xFFFFFFFE; \ | |
1450 armNextPC = reg[15].I; \ | |
1451 reg[15].I += 2; \ | |
1452 } \ | |
1453 } else { \ | |
1454 OPCODE \ | |
1455 } \ | |
1456 } \ | |
1457 break; | |
1458 | |
1459 #define LOGICAL_DATA_OPCODE_WITHOUT_base(OPCODE, OPCODE2, BASE) \ | |
1460 case BASE: \ | |
1461 case BASE + 8: \ | |
1462 { \ | |
1463 /* OP Rd,Rb,Rm LSL # */ \ | |
1464 int shift = (opcode >> 7) & 0x1F; \ | |
1465 int dest = (opcode >> 12) & 15; \ | |
1466 bool C_OUT = C_FLAG; \ | |
1467 u32 value; \ | |
1468 \ | |
1469 if (shift) { \ | |
1470 LOGICAL_LSL_REG \ | |
1471 } else { \ | |
1472 value = reg[opcode & 0x0F].I; \ | |
1473 } \ | |
1474 if (dest == 15) { \ | |
1475 OPCODE2 \ | |
1476 /* todo */ \ | |
1477 if (opcode & 0x00100000) { \ | |
1478 clockTicks++; \ | |
1479 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1480 } \ | |
1481 if (armState) { \ | |
1482 reg[15].I &= 0xFFFFFFFC; \ | |
1483 armNextPC = reg[15].I; \ | |
1484 reg[15].I += 4; \ | |
1485 } else { \ | |
1486 reg[15].I &= 0xFFFFFFFE; \ | |
1487 armNextPC = reg[15].I; \ | |
1488 reg[15].I += 2; \ | |
1489 } \ | |
1490 } else { \ | |
1491 OPCODE \ | |
1492 } \ | |
1493 } \ | |
1494 break; \ | |
1495 case BASE + 2: \ | |
1496 case BASE + 10: \ | |
1497 { \ | |
1498 /* OP Rd,Rb,Rm LSR # */ \ | |
1499 int shift = (opcode >> 7) & 0x1F; \ | |
1500 int dest = (opcode >> 12) & 15; \ | |
1501 bool C_OUT = C_FLAG; \ | |
1502 u32 value; \ | |
1503 if (shift) { \ | |
1504 LOGICAL_LSR_REG \ | |
1505 } else { \ | |
1506 value = 0; \ | |
1507 C_OUT = (reg[opcode & 0x0F].I & 0x80000000) ? true : false; \ | |
1508 } \ | |
1509 \ | |
1510 if (dest == 15) { \ | |
1511 OPCODE2 \ | |
1512 /* todo */ \ | |
1513 if (opcode & 0x00100000) { \ | |
1514 clockTicks++; \ | |
1515 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1516 } \ | |
1517 if (armState) { \ | |
1518 reg[15].I &= 0xFFFFFFFC; \ | |
1519 armNextPC = reg[15].I; \ | |
1520 reg[15].I += 4; \ | |
1521 } else { \ | |
1522 reg[15].I &= 0xFFFFFFFE; \ | |
1523 armNextPC = reg[15].I; \ | |
1524 reg[15].I += 2; \ | |
1525 } \ | |
1526 } else { \ | |
1527 OPCODE \ | |
1528 } \ | |
1529 } \ | |
1530 break; \ | |
1531 case BASE + 4: \ | |
1532 case BASE + 12: \ | |
1533 { \ | |
1534 /* OP Rd,Rb,Rm ASR # */ \ | |
1535 int shift = (opcode >> 7) & 0x1F; \ | |
1536 int dest = (opcode >> 12) & 15; \ | |
1537 bool C_OUT = C_FLAG; \ | |
1538 u32 value; \ | |
1539 if (shift) { \ | |
1540 LOGICAL_ASR_REG \ | |
1541 } else { \ | |
1542 if (reg[opcode & 0x0F].I & 0x80000000) { \ | |
1543 value = 0xFFFFFFFF; \ | |
1544 C_OUT = true; \ | |
1545 } else { \ | |
1546 value = 0; \ | |
1547 C_OUT = false; \ | |
1548 } \ | |
1549 } \ | |
1550 \ | |
1551 if (dest == 15) { \ | |
1552 OPCODE2 \ | |
1553 /* todo */ \ | |
1554 if (opcode & 0x00100000) { \ | |
1555 clockTicks++; \ | |
1556 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1557 } \ | |
1558 if (armState) { \ | |
1559 reg[15].I &= 0xFFFFFFFC; \ | |
1560 armNextPC = reg[15].I; \ | |
1561 reg[15].I += 4; \ | |
1562 } else { \ | |
1563 reg[15].I &= 0xFFFFFFFE; \ | |
1564 armNextPC = reg[15].I; \ | |
1565 reg[15].I += 2; \ | |
1566 } \ | |
1567 } else { \ | |
1568 OPCODE \ | |
1569 } \ | |
1570 } \ | |
1571 break; \ | |
1572 case BASE + 6: \ | |
1573 case BASE + 14: \ | |
1574 { \ | |
1575 /* OP Rd,Rb,Rm ROR # */ \ | |
1576 int shift = (opcode >> 7) & 0x1F; \ | |
1577 int dest = (opcode >> 12) & 15; \ | |
1578 bool C_OUT = C_FLAG; \ | |
1579 u32 value; \ | |
1580 if (shift) { \ | |
1581 LOGICAL_ROR_REG \ | |
1582 } else { \ | |
1583 LOGICAL_RRX_REG \ | |
1584 } \ | |
1585 if (dest == 15) { \ | |
1586 OPCODE2 \ | |
1587 /* todo */ \ | |
1588 if (opcode & 0x00100000) { \ | |
1589 clockTicks++; \ | |
1590 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1591 } \ | |
1592 if (armState) { \ | |
1593 reg[15].I &= 0xFFFFFFFC; \ | |
1594 armNextPC = reg[15].I; \ | |
1595 reg[15].I += 4; \ | |
1596 } else { \ | |
1597 reg[15].I &= 0xFFFFFFFE; \ | |
1598 armNextPC = reg[15].I; \ | |
1599 reg[15].I += 2; \ | |
1600 } \ | |
1601 } else { \ | |
1602 OPCODE \ | |
1603 } \ | |
1604 } \ | |
1605 break; \ | |
1606 case BASE + 1: \ | |
1607 { \ | |
1608 /* OP Rd,Rb,Rm LSL Rs */ \ | |
1609 clockTicks++; \ | |
1610 int shift = reg[(opcode >> 8) & 15].B.B0; \ | |
1611 int dest = (opcode >> 12) & 15; \ | |
1612 bool C_OUT = C_FLAG; \ | |
1613 u32 value; \ | |
1614 if (shift) { \ | |
1615 if (shift == 32) { \ | |
1616 value = 0; \ | |
1617 C_OUT = (reg[opcode & 0x0F].I & 1 ? true : false); \ | |
1618 } else if (shift < 32) { \ | |
1619 LOGICAL_LSL_REG \ | |
1620 } else { \ | |
1621 value = 0; \ | |
1622 C_OUT = false; \ | |
1623 } \ | |
1624 } else { \ | |
1625 value = reg[opcode & 0x0F].I; \ | |
1626 } \ | |
1627 if (dest == 15) { \ | |
1628 OPCODE2 \ | |
1629 /* todo */ \ | |
1630 if (opcode & 0x00100000) { \ | |
1631 clockTicks++; \ | |
1632 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1633 } \ | |
1634 if (armState) { \ | |
1635 reg[15].I &= 0xFFFFFFFC; \ | |
1636 armNextPC = reg[15].I; \ | |
1637 reg[15].I += 4; \ | |
1638 } else { \ | |
1639 reg[15].I &= 0xFFFFFFFE; \ | |
1640 armNextPC = reg[15].I; \ | |
1641 reg[15].I += 2; \ | |
1642 } \ | |
1643 } else { \ | |
1644 OPCODE \ | |
1645 } \ | |
1646 } \ | |
1647 break; \ | |
1648 case BASE + 3: \ | |
1649 { \ | |
1650 /* OP Rd,Rb,Rm LSR Rs */ \ | |
1651 clockTicks++; \ | |
1652 int shift = reg[(opcode >> 8) & 15].B.B0; \ | |
1653 int dest = (opcode >> 12) & 15; \ | |
1654 bool C_OUT = C_FLAG; \ | |
1655 u32 value; \ | |
1656 if (shift) { \ | |
1657 if (shift == 32) { \ | |
1658 value = 0; \ | |
1659 C_OUT = (reg[opcode & 0x0F].I & 0x80000000 ? true : false); \ | |
1660 } else if (shift < 32) { \ | |
1661 LOGICAL_LSR_REG \ | |
1662 } else { \ | |
1663 value = 0; \ | |
1664 C_OUT = false; \ | |
1665 } \ | |
1666 } else { \ | |
1667 value = reg[opcode & 0x0F].I; \ | |
1668 } \ | |
1669 if (dest == 15) { \ | |
1670 OPCODE2 \ | |
1671 /* todo */ \ | |
1672 if (opcode & 0x00100000) { \ | |
1673 clockTicks++; \ | |
1674 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1675 } \ | |
1676 if (armState) { \ | |
1677 reg[15].I &= 0xFFFFFFFC; \ | |
1678 armNextPC = reg[15].I; \ | |
1679 reg[15].I += 4; \ | |
1680 } else { \ | |
1681 reg[15].I &= 0xFFFFFFFE; \ | |
1682 armNextPC = reg[15].I; \ | |
1683 reg[15].I += 2; \ | |
1684 } \ | |
1685 } else { \ | |
1686 OPCODE \ | |
1687 } \ | |
1688 } \ | |
1689 break; \ | |
1690 case BASE + 5: \ | |
1691 { \ | |
1692 /* OP Rd,Rb,Rm ASR Rs */ \ | |
1693 clockTicks++; \ | |
1694 int shift = reg[(opcode >> 8) & 15].B.B0; \ | |
1695 int dest = (opcode >> 12) & 15; \ | |
1696 bool C_OUT = C_FLAG; \ | |
1697 u32 value; \ | |
1698 if (shift < 32) { \ | |
1699 if (shift) { \ | |
1700 LOGICAL_ASR_REG \ | |
1701 } else { \ | |
1702 value = reg[opcode & 0x0F].I; \ | |
1703 } \ | |
1704 } else { \ | |
1705 if (reg[opcode & 0x0F].I & 0x80000000) { \ | |
1706 value = 0xFFFFFFFF; \ | |
1707 C_OUT = true; \ | |
1708 } else { \ | |
1709 value = 0; \ | |
1710 C_OUT = false; \ | |
1711 } \ | |
1712 } \ | |
1713 if (dest == 15) { \ | |
1714 OPCODE2 \ | |
1715 /* todo */ \ | |
1716 if (opcode & 0x00100000) { \ | |
1717 clockTicks++; \ | |
1718 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1719 } \ | |
1720 if (armState) { \ | |
1721 reg[15].I &= 0xFFFFFFFC; \ | |
1722 armNextPC = reg[15].I; \ | |
1723 reg[15].I += 4; \ | |
1724 } else { \ | |
1725 reg[15].I &= 0xFFFFFFFE; \ | |
1726 armNextPC = reg[15].I; \ | |
1727 reg[15].I += 2; \ | |
1728 } \ | |
1729 } else { \ | |
1730 OPCODE \ | |
1731 } \ | |
1732 } \ | |
1733 break; \ | |
1734 case BASE + 7: \ | |
1735 { \ | |
1736 /* OP Rd,Rb,Rm ROR Rs */ \ | |
1737 clockTicks++; \ | |
1738 int shift = reg[(opcode >> 8) & 15].B.B0; \ | |
1739 int dest = (opcode >> 12) & 15; \ | |
1740 bool C_OUT = C_FLAG; \ | |
1741 u32 value; \ | |
1742 if (shift) { \ | |
1743 shift &= 0x1f; \ | |
1744 if (shift) { \ | |
1745 LOGICAL_ROR_REG \ | |
1746 } else { \ | |
1747 value = reg[opcode & 0x0F].I; \ | |
1748 C_OUT = (value & 0x80000000 ? true : false); \ | |
1749 } \ | |
1750 } else { \ | |
1751 value = reg[opcode & 0x0F].I; \ | |
1752 C_OUT = (value & 0x80000000 ? true : false); \ | |
1753 } \ | |
1754 if (dest == 15) { \ | |
1755 OPCODE2 \ | |
1756 /* todo */ \ | |
1757 if (opcode & 0x00100000) { \ | |
1758 clockTicks++; \ | |
1759 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1760 } \ | |
1761 if (armState) { \ | |
1762 reg[15].I &= 0xFFFFFFFC; \ | |
1763 armNextPC = reg[15].I; \ | |
1764 reg[15].I += 4; \ | |
1765 } else { \ | |
1766 reg[15].I &= 0xFFFFFFFE; \ | |
1767 armNextPC = reg[15].I; \ | |
1768 reg[15].I += 2; \ | |
1769 } \ | |
1770 } else { \ | |
1771 OPCODE \ | |
1772 } \ | |
1773 } \ | |
1774 break; \ | |
1775 case BASE + 0x200: \ | |
1776 case BASE + 0x201: \ | |
1777 case BASE + 0x202: \ | |
1778 case BASE + 0x203: \ | |
1779 case BASE + 0x204: \ | |
1780 case BASE + 0x205: \ | |
1781 case BASE + 0x206: \ | |
1782 case BASE + 0x207: \ | |
1783 case BASE + 0x208: \ | |
1784 case BASE + 0x209: \ | |
1785 case BASE + 0x20a: \ | |
1786 case BASE + 0x20b: \ | |
1787 case BASE + 0x20c: \ | |
1788 case BASE + 0x20d: \ | |
1789 case BASE + 0x20e: \ | |
1790 case BASE + 0x20f: \ | |
1791 { \ | |
1792 int shift = (opcode & 0xF00) >> 7; \ | |
1793 int dest = (opcode >> 12) & 0x0F; \ | |
1794 bool C_OUT = C_FLAG; \ | |
1795 u32 value; \ | |
1796 if (shift) { \ | |
1797 LOGICAL_ROR_IMM \ | |
1798 } else { \ | |
1799 value = opcode & 0xff; \ | |
1800 } \ | |
1801 if (dest == 15) { \ | |
1802 OPCODE2 \ | |
1803 /* todo */ \ | |
1804 if (opcode & 0x00100000) { \ | |
1805 clockTicks++; \ | |
1806 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1807 } \ | |
1808 if (armState) { \ | |
1809 reg[15].I &= 0xFFFFFFFC; \ | |
1810 armNextPC = reg[15].I; \ | |
1811 reg[15].I += 4; \ | |
1812 } else { \ | |
1813 reg[15].I &= 0xFFFFFFFE; \ | |
1814 armNextPC = reg[15].I; \ | |
1815 reg[15].I += 2; \ | |
1816 } \ | |
1817 } else { \ | |
1818 OPCODE \ | |
1819 } \ | |
1820 } \ | |
1821 break; | |
1822 | |
1823 #define ARITHMETIC_DATA_OPCODE(OPCODE, OPCODE2, BASE) \ | |
1824 case BASE: \ | |
1825 case BASE + 8: \ | |
1826 { \ | |
1827 /* OP Rd,Rb,Rm LSL # */ \ | |
1828 int base = (opcode >> 16) & 0x0F; \ | |
1829 int shift = (opcode >> 7) & 0x1F; \ | |
1830 int dest = (opcode >> 12) & 15; \ | |
1831 u32 value; \ | |
1832 if (shift) { \ | |
1833 ARITHMETIC_LSL_REG \ | |
1834 } else { \ | |
1835 value = reg[opcode & 0x0F].I; \ | |
1836 } \ | |
1837 if (dest == 15) { \ | |
1838 OPCODE2 \ | |
1839 /* todo */ \ | |
1840 if (opcode & 0x00100000) { \ | |
1841 clockTicks++; \ | |
1842 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1843 } \ | |
1844 if (armState) { \ | |
1845 reg[15].I &= 0xFFFFFFFC; \ | |
1846 armNextPC = reg[15].I; \ | |
1847 reg[15].I += 4; \ | |
1848 } else { \ | |
1849 reg[15].I &= 0xFFFFFFFE; \ | |
1850 armNextPC = reg[15].I; \ | |
1851 reg[15].I += 2; \ | |
1852 } \ | |
1853 } else { \ | |
1854 OPCODE \ | |
1855 } \ | |
1856 } \ | |
1857 break; \ | |
1858 case BASE + 2: \ | |
1859 case BASE + 10: \ | |
1860 { \ | |
1861 /* OP Rd,Rb,Rm LSR # */ \ | |
1862 int base = (opcode >> 16) & 0x0F; \ | |
1863 int shift = (opcode >> 7) & 0x1F; \ | |
1864 int dest = (opcode >> 12) & 15; \ | |
1865 u32 value; \ | |
1866 if (shift) { \ | |
1867 ARITHMETIC_LSR_REG \ | |
1868 } else { \ | |
1869 value = 0; \ | |
1870 } \ | |
1871 if (dest == 15) { \ | |
1872 OPCODE2 \ | |
1873 /* todo */ \ | |
1874 if (opcode & 0x00100000) { \ | |
1875 clockTicks++; \ | |
1876 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1877 } \ | |
1878 if (armState) { \ | |
1879 reg[15].I &= 0xFFFFFFFC; \ | |
1880 armNextPC = reg[15].I; \ | |
1881 reg[15].I += 4; \ | |
1882 } else { \ | |
1883 reg[15].I &= 0xFFFFFFFE; \ | |
1884 armNextPC = reg[15].I; \ | |
1885 reg[15].I += 2; \ | |
1886 } \ | |
1887 } else { \ | |
1888 OPCODE \ | |
1889 } \ | |
1890 } \ | |
1891 break; \ | |
1892 case BASE + 4: \ | |
1893 case BASE + 12: \ | |
1894 { \ | |
1895 /* OP Rd,Rb,Rm ASR # */ \ | |
1896 int base = (opcode >> 16) & 0x0F; \ | |
1897 int shift = (opcode >> 7) & 0x1F; \ | |
1898 int dest = (opcode >> 12) & 15; \ | |
1899 u32 value; \ | |
1900 if (shift) { \ | |
1901 ARITHMETIC_ASR_REG \ | |
1902 } else { \ | |
1903 if (reg[opcode & 0x0F].I & 0x80000000) { \ | |
1904 value = 0xFFFFFFFF; \ | |
1905 } else value = 0; \ | |
1906 } \ | |
1907 if (dest == 15) { \ | |
1908 OPCODE2 \ | |
1909 /* todo */ \ | |
1910 if (opcode & 0x00100000) { \ | |
1911 clockTicks++; \ | |
1912 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1913 } \ | |
1914 if (armState) { \ | |
1915 reg[15].I &= 0xFFFFFFFC; \ | |
1916 armNextPC = reg[15].I; \ | |
1917 reg[15].I += 4; \ | |
1918 } else { \ | |
1919 reg[15].I &= 0xFFFFFFFE; \ | |
1920 armNextPC = reg[15].I; \ | |
1921 reg[15].I += 2; \ | |
1922 } \ | |
1923 } else { \ | |
1924 OPCODE \ | |
1925 } \ | |
1926 } \ | |
1927 break; \ | |
1928 case BASE + 6: \ | |
1929 case BASE + 14: \ | |
1930 { \ | |
1931 /* OP Rd,Rb,Rm ROR # */ \ | |
1932 int base = (opcode >> 16) & 0x0F; \ | |
1933 int shift = (opcode >> 7) & 0x1F; \ | |
1934 int dest = (opcode >> 12) & 15; \ | |
1935 u32 value; \ | |
1936 if (shift) { \ | |
1937 ARITHMETIC_ROR_REG \ | |
1938 } else { \ | |
1939 ARITHMETIC_RRX_REG \ | |
1940 } \ | |
1941 if (dest == 15) { \ | |
1942 OPCODE2 \ | |
1943 /* todo */ \ | |
1944 if (opcode & 0x00100000) { \ | |
1945 clockTicks++; \ | |
1946 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1947 } \ | |
1948 if (armState) { \ | |
1949 reg[15].I &= 0xFFFFFFFC; \ | |
1950 armNextPC = reg[15].I; \ | |
1951 reg[15].I += 4; \ | |
1952 } else { \ | |
1953 reg[15].I &= 0xFFFFFFFE; \ | |
1954 armNextPC = reg[15].I; \ | |
1955 reg[15].I += 2; \ | |
1956 } \ | |
1957 } else { \ | |
1958 OPCODE \ | |
1959 } \ | |
1960 } \ | |
1961 break; \ | |
1962 case BASE + 1: \ | |
1963 { \ | |
1964 /* OP Rd,Rb,Rm LSL Rs */ \ | |
1965 clockTicks++; \ | |
1966 int base = (opcode >> 16) & 0x0F; \ | |
1967 int shift = reg[(opcode >> 8) & 15].B.B0; \ | |
1968 int dest = (opcode >> 12) & 15; \ | |
1969 u32 value; \ | |
1970 if (shift) { \ | |
1971 if (shift == 32) { \ | |
1972 value = 0; \ | |
1973 } else if (shift < 32) { \ | |
1974 ARITHMETIC_LSL_REG \ | |
1975 } else value = 0; \ | |
1976 } else { \ | |
1977 value = reg[opcode & 0x0F].I; \ | |
1978 } \ | |
1979 if (dest == 15) { \ | |
1980 OPCODE2 \ | |
1981 /* todo */ \ | |
1982 if (opcode & 0x00100000) { \ | |
1983 clockTicks++; \ | |
1984 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
1985 } \ | |
1986 if (armState) { \ | |
1987 reg[15].I &= 0xFFFFFFFC; \ | |
1988 armNextPC = reg[15].I; \ | |
1989 reg[15].I += 4; \ | |
1990 } else { \ | |
1991 reg[15].I &= 0xFFFFFFFE; \ | |
1992 armNextPC = reg[15].I; \ | |
1993 reg[15].I += 2; \ | |
1994 } \ | |
1995 } else { \ | |
1996 OPCODE \ | |
1997 } \ | |
1998 } \ | |
1999 break; \ | |
2000 case BASE + 3: \ | |
2001 { \ | |
2002 /* OP Rd,Rb,Rm LSR Rs */ \ | |
2003 clockTicks++; \ | |
2004 int base = (opcode >> 16) & 0x0F; \ | |
2005 int shift = reg[(opcode >> 8) & 15].B.B0; \ | |
2006 int dest = (opcode >> 12) & 15; \ | |
2007 u32 value; \ | |
2008 if (shift) { \ | |
2009 if (shift == 32) { \ | |
2010 value = 0; \ | |
2011 } else if (shift < 32) { \ | |
2012 ARITHMETIC_LSR_REG \ | |
2013 } else value = 0; \ | |
2014 } else { \ | |
2015 value = reg[opcode & 0x0F].I; \ | |
2016 } \ | |
2017 if (dest == 15) { \ | |
2018 OPCODE2 \ | |
2019 /* todo */ \ | |
2020 if (opcode & 0x00100000) { \ | |
2021 clockTicks++; \ | |
2022 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
2023 } \ | |
2024 if (armState) { \ | |
2025 reg[15].I &= 0xFFFFFFFC; \ | |
2026 armNextPC = reg[15].I; \ | |
2027 reg[15].I += 4; \ | |
2028 } else { \ | |
2029 reg[15].I &= 0xFFFFFFFE; \ | |
2030 armNextPC = reg[15].I; \ | |
2031 reg[15].I += 2; \ | |
2032 } \ | |
2033 } else { \ | |
2034 OPCODE \ | |
2035 } \ | |
2036 } \ | |
2037 break; \ | |
2038 case BASE + 5: \ | |
2039 { \ | |
2040 /* OP Rd,Rb,Rm ASR Rs */ \ | |
2041 clockTicks++; \ | |
2042 int base = (opcode >> 16) & 0x0F; \ | |
2043 int shift = reg[(opcode >> 8) & 15].B.B0; \ | |
2044 int dest = (opcode >> 12) & 15; \ | |
2045 u32 value; \ | |
2046 if (shift < 32) { \ | |
2047 if (shift) { \ | |
2048 ARITHMETIC_ASR_REG \ | |
2049 } else { \ | |
2050 value = reg[opcode & 0x0F].I; \ | |
2051 } \ | |
2052 } else { \ | |
2053 if (reg[opcode & 0x0F].I & 0x80000000) { \ | |
2054 value = 0xFFFFFFFF; \ | |
2055 } else value = 0; \ | |
2056 } \ | |
2057 if (dest == 15) { \ | |
2058 OPCODE2 \ | |
2059 /* todo */ \ | |
2060 if (opcode & 0x00100000) { \ | |
2061 clockTicks++; \ | |
2062 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
2063 } \ | |
2064 if (armState) { \ | |
2065 reg[15].I &= 0xFFFFFFFC; \ | |
2066 armNextPC = reg[15].I; \ | |
2067 reg[15].I += 4; \ | |
2068 } else { \ | |
2069 reg[15].I &= 0xFFFFFFFE; \ | |
2070 armNextPC = reg[15].I; \ | |
2071 reg[15].I += 2; \ | |
2072 } \ | |
2073 } else { \ | |
2074 OPCODE \ | |
2075 } \ | |
2076 } \ | |
2077 break; \ | |
2078 case BASE + 7: \ | |
2079 { \ | |
2080 /* OP Rd,Rb,Rm ROR Rs */ \ | |
2081 clockTicks++; \ | |
2082 int base = (opcode >> 16) & 0x0F; \ | |
2083 int shift = reg[(opcode >> 8) & 15].B.B0; \ | |
2084 int dest = (opcode >> 12) & 15; \ | |
2085 u32 value; \ | |
2086 if (shift) { \ | |
2087 shift &= 0x1f; \ | |
2088 if (shift) { \ | |
2089 ARITHMETIC_ROR_REG \ | |
2090 } else { \ | |
2091 value = reg[opcode & 0x0F].I; \ | |
2092 } \ | |
2093 } else { \ | |
2094 value = reg[opcode & 0x0F].I; \ | |
2095 } \ | |
2096 if (dest == 15) { \ | |
2097 OPCODE2 \ | |
2098 /* todo */ \ | |
2099 if (opcode & 0x00100000) { \ | |
2100 clockTicks++; \ | |
2101 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
2102 } \ | |
2103 if (armState) { \ | |
2104 reg[15].I &= 0xFFFFFFFC; \ | |
2105 armNextPC = reg[15].I; \ | |
2106 reg[15].I += 4; \ | |
2107 } else { \ | |
2108 reg[15].I &= 0xFFFFFFFE; \ | |
2109 armNextPC = reg[15].I; \ | |
2110 reg[15].I += 2; \ | |
2111 } \ | |
2112 } else { \ | |
2113 OPCODE \ | |
2114 } \ | |
2115 } \ | |
2116 break; \ | |
2117 case BASE + 0x200: \ | |
2118 case BASE + 0x201: \ | |
2119 case BASE + 0x202: \ | |
2120 case BASE + 0x203: \ | |
2121 case BASE + 0x204: \ | |
2122 case BASE + 0x205: \ | |
2123 case BASE + 0x206: \ | |
2124 case BASE + 0x207: \ | |
2125 case BASE + 0x208: \ | |
2126 case BASE + 0x209: \ | |
2127 case BASE + 0x20a: \ | |
2128 case BASE + 0x20b: \ | |
2129 case BASE + 0x20c: \ | |
2130 case BASE + 0x20d: \ | |
2131 case BASE + 0x20e: \ | |
2132 case BASE + 0x20f: \ | |
2133 { \ | |
2134 int shift = (opcode & 0xF00) >> 7; \ | |
2135 int base = (opcode >> 16) & 0x0F; \ | |
2136 int dest = (opcode >> 12) & 0x0F; \ | |
2137 u32 value; \ | |
2138 { \ | |
2139 ARITHMETIC_ROR_IMM \ | |
2140 } \ | |
2141 if (dest == 15) { \ | |
2142 OPCODE2 \ | |
2143 /* todo */ \ | |
2144 if (opcode & 0x00100000) { \ | |
2145 clockTicks++; \ | |
2146 CPUSwitchMode(reg[17].I & 0x1f, false); \ | |
2147 } \ | |
2148 if (armState) { \ | |
2149 reg[15].I &= 0xFFFFFFFC; \ | |
2150 armNextPC = reg[15].I; \ | |
2151 reg[15].I += 4; \ | |
2152 } else { \ | |
2153 reg[15].I &= 0xFFFFFFFE; \ | |
2154 armNextPC = reg[15].I; \ | |
2155 reg[15].I += 2; \ | |
2156 } \ | |
2157 } else { \ | |
2158 OPCODE \ | |
2159 } \ | |
2160 } \ | |
2161 break; | |
2162 | |
2163 u32 opcode = CPUReadMemoryQuick(armNextPC); | |
2164 | |
2165 clockTicks = memoryWaitFetch32[(armNextPC >> 24) & 15]; | |
2166 | |
2167 #ifndef FINAL_VERSION | |
2168 if (armNextPC == stop) | |
2169 { | |
2170 armNextPC++; | |
2171 } | |
2172 #endif | |
2173 | |
2174 armNextPC = reg[15].I; | |
2175 reg[15].I += 4; | |
2176 int cond = opcode >> 28; | |
2177 // suggested optimization for frequent cases | |
2178 bool cond_res; | |
2179 if (cond == 0x0e) | |
2180 { | |
2181 cond_res = true; | |
2182 } | |
2183 else | |
2184 { | |
2185 switch (cond) | |
2186 { | |
2187 case 0x00: // EQ | |
2188 cond_res = Z_FLAG; | |
2189 break; | |
2190 case 0x01: // NE | |
2191 cond_res = !Z_FLAG; | |
2192 break; | |
2193 case 0x02: // CS | |
2194 cond_res = C_FLAG; | |
2195 break; | |
2196 case 0x03: // CC | |
2197 cond_res = !C_FLAG; | |
2198 break; | |
2199 case 0x04: // MI | |
2200 cond_res = N_FLAG; | |
2201 break; | |
2202 case 0x05: // PL | |
2203 cond_res = !N_FLAG; | |
2204 break; | |
2205 case 0x06: // VS | |
2206 cond_res = V_FLAG; | |
2207 break; | |
2208 case 0x07: // VC | |
2209 cond_res = !V_FLAG; | |
2210 break; | |
2211 case 0x08: // HI | |
2212 cond_res = C_FLAG && !Z_FLAG; | |
2213 break; | |
2214 case 0x09: // LS | |
2215 cond_res = !C_FLAG || Z_FLAG; | |
2216 break; | |
2217 case 0x0A: // GE | |
2218 cond_res = N_FLAG == V_FLAG; | |
2219 break; | |
2220 case 0x0B: // LT | |
2221 cond_res = N_FLAG != V_FLAG; | |
2222 break; | |
2223 case 0x0C: // GT | |
2224 cond_res = !Z_FLAG && (N_FLAG == V_FLAG); | |
2225 break; | |
2226 case 0x0D: // LE | |
2227 cond_res = Z_FLAG || (N_FLAG != V_FLAG); | |
2228 break; | |
2229 case 0x0E: | |
2230 cond_res = true; | |
2231 break; | |
2232 case 0x0F: | |
2233 default: | |
2234 // ??? | |
2235 cond_res = false; | |
2236 break; | |
2237 } | |
2238 } | |
2239 | |
2240 if (cond_res) | |
2241 { | |
2242 switch (((opcode >> 16) & 0xFF0) | ((opcode >> 4) & 0x0F)) | |
2243 { | |
2244 LOGICAL_DATA_OPCODE_WITHOUT_base(OP_AND, OP_AND, 0x000); | |
2245 LOGICAL_DATA_OPCODE_WITHOUT_base(OP_ANDS, OP_AND, 0x010); | |
2246 case 0x009: | |
2247 { | |
2248 // MUL Rd, Rm, Rs | |
2249 int dest = (opcode >> 16) & 0x0F; | |
2250 int mult = (opcode & 0x0F); | |
2251 u32 rs = reg[(opcode >> 8) & 0x0F].I; | |
2252 reg[dest].I = reg[mult].I * rs; | |
2253 if (((s32)rs) < 0) | |
2254 rs = ~rs; | |
2255 if ((rs & 0xFFFFFF00) == 0) | |
2256 clockTicks += 2; | |
2257 else if ((rs & 0xFFFF0000) == 0) | |
2258 clockTicks += 3; | |
2259 else if ((rs & 0xFF000000) == 0) | |
2260 clockTicks += 4; | |
2261 else | |
2262 clockTicks += 5; | |
2263 } | |
2264 break; | |
2265 case 0x019: | |
2266 { | |
2267 // MULS Rd, Rm, Rs | |
2268 int dest = (opcode >> 16) & 0x0F; | |
2269 int mult = (opcode & 0x0F); | |
2270 u32 rs = reg[(opcode >> 8) & 0x0F].I; | |
2271 reg[dest].I = reg[mult].I * rs; | |
2272 N_FLAG = (reg[dest].I & 0x80000000) ? true : false; | |
2273 Z_FLAG = (reg[dest].I) ? false : true; | |
2274 if (((s32)rs) < 0) | |
2275 rs = ~rs; | |
2276 if ((rs & 0xFFFFFF00) == 0) | |
2277 clockTicks += 2; | |
2278 else if ((rs & 0xFFFF0000) == 0) | |
2279 clockTicks += 3; | |
2280 else if ((rs & 0xFF000000) == 0) | |
2281 clockTicks += 4; | |
2282 else | |
2283 clockTicks += 5; | |
2284 } | |
2285 break; | |
2286 case 0x00b: | |
2287 case 0x02b: | |
2288 { | |
2289 // STRH Rd, [Rn], -Rm | |
2290 int base = (opcode >> 16) & 0x0F; | |
2291 int dest = (opcode >> 12) & 0x0F; | |
2292 u32 address = reg[base].I; | |
2293 int offset = reg[opcode & 0x0F].I; | |
2294 clockTicks += 4 + CPUUpdateTicksAccess16(address); | |
2295 CPUWriteHalfWord(address, reg[dest].W.W0); | |
2296 address -= offset; | |
2297 reg[base].I = address; | |
2298 } | |
2299 break; | |
2300 case 0x04b: | |
2301 case 0x06b: | |
2302 { | |
2303 // STRH Rd, [Rn], #-offset | |
2304 int base = (opcode >> 16) & 0x0F; | |
2305 int dest = (opcode >> 12) & 0x0F; | |
2306 u32 address = reg[base].I; | |
2307 int offset = (opcode & 0x0F) | ((opcode >> 4) & 0xF0); | |
2308 clockTicks += 4 + CPUUpdateTicksAccess16(address); | |
2309 CPUWriteHalfWord(address, reg[dest].W.W0); | |
2310 address -= offset; | |
2311 reg[base].I = address; | |
2312 } | |
2313 break; | |
2314 case 0x08b: | |
2315 case 0x0ab: | |
2316 { | |
2317 // STRH Rd, [Rn], Rm | |
2318 int base = (opcode >> 16) & 0x0F; | |
2319 int dest = (opcode >> 12) & 0x0F; | |
2320 u32 address = reg[base].I; | |
2321 int offset = reg[opcode & 0x0F].I; | |
2322 clockTicks += 4 + CPUUpdateTicksAccess16(address); | |
2323 CPUWriteHalfWord(address, reg[dest].W.W0); | |
2324 address += offset; | |
2325 reg[base].I = address; | |
2326 } | |
2327 break; | |
2328 case 0x0cb: | |
2329 case 0x0eb: | |
2330 { | |
2331 // STRH Rd, [Rn], #offset | |
2332 int base = (opcode >> 16) & 0x0F; | |
2333 int dest = (opcode >> 12) & 0x0F; | |
2334 u32 address = reg[base].I; | |
2335 int offset = (opcode & 0x0F) | ((opcode >> 4) & 0xF0); | |
2336 clockTicks += 4 + CPUUpdateTicksAccess16(address); | |
2337 CPUWriteHalfWord(address, reg[dest].W.W0); | |
2338 address += offset; | |
2339 reg[base].I = address; | |
2340 } | |
2341 break; | |
2342 case 0x10b: | |
2343 { | |
2344 // STRH Rd, [Rn, -Rm] | |
2345 int base = (opcode >> 16) & 0x0F; | |
2346 int dest = (opcode >> 12) & 0x0F; | |
2347 u32 address = reg[base].I - reg[opcode & 0x0F].I; | |
2348 clockTicks += 4 + CPUUpdateTicksAccess16(address); | |
2349 CPUWriteHalfWord(address, reg[dest].W.W0); | |
2350 } | |
2351 break; | |
2352 case 0x12b: | |
2353 { | |
2354 // STRH Rd, [Rn, -Rm]! | |
2355 int base = (opcode >> 16) & 0x0F; | |
2356 int dest = (opcode >> 12) & 0x0F; | |
2357 u32 address = reg[base].I - reg[opcode & 0x0F].I; | |
2358 clockTicks += 4 + CPUUpdateTicksAccess16(address); | |
2359 CPUWriteHalfWord(address, reg[dest].W.W0); | |
2360 reg[base].I = address; | |
2361 } | |
2362 break; | |
2363 case 0x14b: | |
2364 { | |
2365 // STRH Rd, [Rn, -#offset] | |
2366 int base = (opcode >> 16) & 0x0F; | |
2367 int dest = (opcode >> 12) & 0x0F; | |
2368 u32 address = reg[base].I - ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2369 clockTicks += 4 + CPUUpdateTicksAccess16(address); | |
2370 CPUWriteHalfWord(address, reg[dest].W.W0); | |
2371 } | |
2372 break; | |
2373 case 0x16b: | |
2374 { | |
2375 // STRH Rd, [Rn, -#offset]! | |
2376 int base = (opcode >> 16) & 0x0F; | |
2377 int dest = (opcode >> 12) & 0x0F; | |
2378 u32 address = reg[base].I - ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2379 clockTicks += 4 + CPUUpdateTicksAccess16(address); | |
2380 CPUWriteHalfWord(address, reg[dest].W.W0); | |
2381 reg[base].I = address; | |
2382 } | |
2383 break; | |
2384 case 0x18b: | |
2385 { | |
2386 // STRH Rd, [Rn, Rm] | |
2387 int base = (opcode >> 16) & 0x0F; | |
2388 int dest = (opcode >> 12) & 0x0F; | |
2389 u32 address = reg[base].I + reg[opcode & 0x0F].I; | |
2390 clockTicks += 4 + CPUUpdateTicksAccess16(address); | |
2391 CPUWriteHalfWord(address, reg[dest].W.W0); | |
2392 } | |
2393 break; | |
2394 case 0x1ab: | |
2395 { | |
2396 // STRH Rd, [Rn, Rm]! | |
2397 int base = (opcode >> 16) & 0x0F; | |
2398 int dest = (opcode >> 12) & 0x0F; | |
2399 u32 address = reg[base].I + reg[opcode & 0x0F].I; | |
2400 clockTicks += 4 + CPUUpdateTicksAccess16(address); | |
2401 CPUWriteHalfWord(address, reg[dest].W.W0); | |
2402 reg[base].I = address; | |
2403 } | |
2404 break; | |
2405 case 0x1cb: | |
2406 { | |
2407 // STRH Rd, [Rn, #offset] | |
2408 int base = (opcode >> 16) & 0x0F; | |
2409 int dest = (opcode >> 12) & 0x0F; | |
2410 u32 address = reg[base].I + ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2411 clockTicks += 4 + CPUUpdateTicksAccess16(address); | |
2412 CPUWriteHalfWord(address, reg[dest].W.W0); | |
2413 } | |
2414 break; | |
2415 case 0x1eb: | |
2416 { | |
2417 // STRH Rd, [Rn, #offset]! | |
2418 int base = (opcode >> 16) & 0x0F; | |
2419 int dest = (opcode >> 12) & 0x0F; | |
2420 u32 address = reg[base].I + ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2421 clockTicks += 4 + CPUUpdateTicksAccess16(address); | |
2422 CPUWriteHalfWord(address, reg[dest].W.W0); | |
2423 reg[base].I = address; | |
2424 } | |
2425 break; | |
2426 case 0x01b: | |
2427 case 0x03b: | |
2428 { | |
2429 // LDRH Rd, [Rn], -Rm | |
2430 int base = (opcode >> 16) & 0x0F; | |
2431 int dest = (opcode >> 12) & 0x0F; | |
2432 u32 address = reg[base].I; | |
2433 int offset = reg[opcode & 0x0F].I; | |
2434 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2435 reg[dest].I = CPUReadHalfWord(address); | |
2436 if (dest != base) | |
2437 { | |
2438 address -= offset; | |
2439 reg[base].I = address; | |
2440 } | |
2441 } | |
2442 break; | |
2443 case 0x05b: | |
2444 case 0x07b: | |
2445 { | |
2446 // LDRH Rd, [Rn], #-offset | |
2447 int base = (opcode >> 16) & 0x0F; | |
2448 int dest = (opcode >> 12) & 0x0F; | |
2449 u32 address = reg[base].I; | |
2450 int offset = (opcode & 0x0F) | ((opcode >> 4) & 0xF0); | |
2451 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2452 reg[dest].I = CPUReadHalfWord(address); | |
2453 if (dest != base) | |
2454 { | |
2455 address -= offset; | |
2456 reg[base].I = address; | |
2457 } | |
2458 } | |
2459 break; | |
2460 case 0x09b: | |
2461 case 0x0bb: | |
2462 { | |
2463 // LDRH Rd, [Rn], Rm | |
2464 int base = (opcode >> 16) & 0x0F; | |
2465 int dest = (opcode >> 12) & 0x0F; | |
2466 u32 address = reg[base].I; | |
2467 int offset = reg[opcode & 0x0F].I; | |
2468 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2469 reg[dest].I = CPUReadHalfWord(address); | |
2470 if (dest != base) | |
2471 { | |
2472 address += offset; | |
2473 reg[base].I = address; | |
2474 } | |
2475 } | |
2476 break; | |
2477 case 0x0db: | |
2478 case 0x0fb: | |
2479 { | |
2480 // LDRH Rd, [Rn], #offset | |
2481 int base = (opcode >> 16) & 0x0F; | |
2482 int dest = (opcode >> 12) & 0x0F; | |
2483 u32 address = reg[base].I; | |
2484 int offset = (opcode & 0x0F) | ((opcode >> 4) & 0xF0); | |
2485 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2486 reg[dest].I = CPUReadHalfWord(address); | |
2487 if (dest != base) | |
2488 { | |
2489 address += offset; | |
2490 reg[base].I = address; | |
2491 } | |
2492 } | |
2493 break; | |
2494 case 0x11b: | |
2495 { | |
2496 // LDRH Rd, [Rn, -Rm] | |
2497 int base = (opcode >> 16) & 0x0F; | |
2498 int dest = (opcode >> 12) & 0x0F; | |
2499 u32 address = reg[base].I - reg[opcode & 0x0F].I; | |
2500 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2501 reg[dest].I = CPUReadHalfWord(address); | |
2502 } | |
2503 break; | |
2504 case 0x13b: | |
2505 { | |
2506 // LDRH Rd, [Rn, -Rm]! | |
2507 int base = (opcode >> 16) & 0x0F; | |
2508 int dest = (opcode >> 12) & 0x0F; | |
2509 u32 address = reg[base].I - reg[opcode & 0x0F].I; | |
2510 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2511 reg[dest].I = CPUReadHalfWord(address); | |
2512 if (dest != base) | |
2513 reg[base].I = address; | |
2514 } | |
2515 break; | |
2516 case 0x15b: | |
2517 { | |
2518 // LDRH Rd, [Rn, -#offset] | |
2519 int base = (opcode >> 16) & 0x0F; | |
2520 int dest = (opcode >> 12) & 0x0F; | |
2521 u32 address = reg[base].I - ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2522 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2523 reg[dest].I = CPUReadHalfWord(address); | |
2524 } | |
2525 break; | |
2526 case 0x17b: | |
2527 { | |
2528 // LDRH Rd, [Rn, -#offset]! | |
2529 int base = (opcode >> 16) & 0x0F; | |
2530 int dest = (opcode >> 12) & 0x0F; | |
2531 u32 address = reg[base].I - ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2532 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2533 reg[dest].I = CPUReadHalfWord(address); | |
2534 if (dest != base) | |
2535 reg[base].I = address; | |
2536 } | |
2537 break; | |
2538 case 0x19b: | |
2539 { | |
2540 // LDRH Rd, [Rn, Rm] | |
2541 int base = (opcode >> 16) & 0x0F; | |
2542 int dest = (opcode >> 12) & 0x0F; | |
2543 u32 address = reg[base].I + reg[opcode & 0x0F].I; | |
2544 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2545 reg[dest].I = CPUReadHalfWord(address); | |
2546 } | |
2547 break; | |
2548 case 0x1bb: | |
2549 { | |
2550 // LDRH Rd, [Rn, Rm]! | |
2551 int base = (opcode >> 16) & 0x0F; | |
2552 int dest = (opcode >> 12) & 0x0F; | |
2553 u32 address = reg[base].I + reg[opcode & 0x0F].I; | |
2554 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2555 reg[dest].I = CPUReadHalfWord(address); | |
2556 if (dest != base) | |
2557 reg[base].I = address; | |
2558 } | |
2559 break; | |
2560 case 0x1db: | |
2561 { | |
2562 // LDRH Rd, [Rn, #offset] | |
2563 int base = (opcode >> 16) & 0x0F; | |
2564 int dest = (opcode >> 12) & 0x0F; | |
2565 u32 address = reg[base].I + ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2566 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2567 reg[dest].I = CPUReadHalfWord(address); | |
2568 } | |
2569 break; | |
2570 case 0x1fb: | |
2571 { | |
2572 // LDRH Rd, [Rn, #offset]! | |
2573 int base = (opcode >> 16) & 0x0F; | |
2574 int dest = (opcode >> 12) & 0x0F; | |
2575 u32 address = reg[base].I + ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2576 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2577 reg[dest].I = CPUReadHalfWord(address); | |
2578 if (dest != base) | |
2579 reg[base].I = address; | |
2580 } | |
2581 break; | |
2582 case 0x01d: | |
2583 case 0x03d: | |
2584 { | |
2585 // LDRSB Rd, [Rn], -Rm | |
2586 int base = (opcode >> 16) & 0x0F; | |
2587 int dest = (opcode >> 12) & 0x0F; | |
2588 u32 address = reg[base].I; | |
2589 int offset = reg[opcode & 0x0F].I; | |
2590 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2591 reg[dest].I = (s8)CPUReadByte(address); | |
2592 if (dest != base) | |
2593 { | |
2594 address -= offset; | |
2595 reg[base].I = address; | |
2596 } | |
2597 } | |
2598 break; | |
2599 case 0x05d: | |
2600 case 0x07d: | |
2601 { | |
2602 // LDRSB Rd, [Rn], #-offset | |
2603 int base = (opcode >> 16) & 0x0F; | |
2604 int dest = (opcode >> 12) & 0x0F; | |
2605 u32 address = reg[base].I; | |
2606 int offset = (opcode & 0x0F) | ((opcode >> 4) & 0xF0); | |
2607 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2608 reg[dest].I = (s8)CPUReadByte(address); | |
2609 if (dest != base) | |
2610 { | |
2611 address -= offset; | |
2612 reg[base].I = address; | |
2613 } | |
2614 } | |
2615 break; | |
2616 case 0x09d: | |
2617 case 0x0bd: | |
2618 { | |
2619 // LDRSB Rd, [Rn], Rm | |
2620 int base = (opcode >> 16) & 0x0F; | |
2621 int dest = (opcode >> 12) & 0x0F; | |
2622 u32 address = reg[base].I; | |
2623 int offset = reg[opcode & 0x0F].I; | |
2624 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2625 reg[dest].I = (s8)CPUReadByte(address); | |
2626 if (dest != base) | |
2627 { | |
2628 address += offset; | |
2629 reg[base].I = address; | |
2630 } | |
2631 } | |
2632 break; | |
2633 case 0x0dd: | |
2634 case 0x0fd: | |
2635 { | |
2636 // LDRSB Rd, [Rn], #offset | |
2637 int base = (opcode >> 16) & 0x0F; | |
2638 int dest = (opcode >> 12) & 0x0F; | |
2639 u32 address = reg[base].I; | |
2640 int offset = (opcode & 0x0F) | ((opcode >> 4) & 0xF0); | |
2641 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2642 reg[dest].I = (s8)CPUReadByte(address); | |
2643 if (dest != base) | |
2644 { | |
2645 address += offset; | |
2646 reg[base].I = address; | |
2647 } | |
2648 } | |
2649 break; | |
2650 case 0x11d: | |
2651 { | |
2652 // LDRSB Rd, [Rn, -Rm] | |
2653 int base = (opcode >> 16) & 0x0F; | |
2654 int dest = (opcode >> 12) & 0x0F; | |
2655 u32 address = reg[base].I - reg[opcode & 0x0F].I; | |
2656 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2657 reg[dest].I = (s8)CPUReadByte(address); | |
2658 } | |
2659 break; | |
2660 case 0x13d: | |
2661 { | |
2662 // LDRSB Rd, [Rn, -Rm]! | |
2663 int base = (opcode >> 16) & 0x0F; | |
2664 int dest = (opcode >> 12) & 0x0F; | |
2665 u32 address = reg[base].I - reg[opcode & 0x0F].I; | |
2666 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2667 reg[dest].I = (s8)CPUReadByte(address); | |
2668 if (dest != base) | |
2669 reg[base].I = address; | |
2670 } | |
2671 break; | |
2672 case 0x15d: | |
2673 { | |
2674 // LDRSB Rd, [Rn, -#offset] | |
2675 int base = (opcode >> 16) & 0x0F; | |
2676 int dest = (opcode >> 12) & 0x0F; | |
2677 u32 address = reg[base].I - ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2678 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2679 reg[dest].I = (s8)CPUReadByte(address); | |
2680 } | |
2681 break; | |
2682 case 0x17d: | |
2683 { | |
2684 // LDRSB Rd, [Rn, -#offset]! | |
2685 int base = (opcode >> 16) & 0x0F; | |
2686 int dest = (opcode >> 12) & 0x0F; | |
2687 u32 address = reg[base].I - ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2688 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2689 reg[dest].I = (s8)CPUReadByte(address); | |
2690 if (dest != base) | |
2691 reg[base].I = address; | |
2692 } | |
2693 break; | |
2694 case 0x19d: | |
2695 { | |
2696 // LDRSB Rd, [Rn, Rm] | |
2697 int base = (opcode >> 16) & 0x0F; | |
2698 int dest = (opcode >> 12) & 0x0F; | |
2699 u32 address = reg[base].I + reg[opcode & 0x0F].I; | |
2700 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2701 reg[dest].I = (s8)CPUReadByte(address); | |
2702 } | |
2703 break; | |
2704 case 0x1bd: | |
2705 { | |
2706 // LDRSB Rd, [Rn, Rm]! | |
2707 int base = (opcode >> 16) & 0x0F; | |
2708 int dest = (opcode >> 12) & 0x0F; | |
2709 u32 address = reg[base].I + reg[opcode & 0x0F].I; | |
2710 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2711 reg[dest].I = (s8)CPUReadByte(address); | |
2712 if (dest != base) | |
2713 reg[base].I = address; | |
2714 } | |
2715 break; | |
2716 case 0x1dd: | |
2717 { | |
2718 // LDRSB Rd, [Rn, #offset] | |
2719 int base = (opcode >> 16) & 0x0F; | |
2720 int dest = (opcode >> 12) & 0x0F; | |
2721 u32 address = reg[base].I + ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2722 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2723 reg[dest].I = (s8)CPUReadByte(address); | |
2724 } | |
2725 break; | |
2726 case 0x1fd: | |
2727 { | |
2728 // LDRSB Rd, [Rn, #offset]! | |
2729 int base = (opcode >> 16) & 0x0F; | |
2730 int dest = (opcode >> 12) & 0x0F; | |
2731 u32 address = reg[base].I + ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2732 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2733 reg[dest].I = (s8)CPUReadByte(address); | |
2734 if (dest != base) | |
2735 reg[base].I = address; | |
2736 } | |
2737 break; | |
2738 case 0x01f: | |
2739 case 0x03f: | |
2740 { | |
2741 // LDRSH Rd, [Rn], -Rm | |
2742 int base = (opcode >> 16) & 0x0F; | |
2743 int dest = (opcode >> 12) & 0x0F; | |
2744 u32 address = reg[base].I; | |
2745 int offset = reg[opcode & 0x0F].I; | |
2746 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2747 reg[dest].I = (s16)CPUReadHalfWordSigned(address); | |
2748 if (dest != base) | |
2749 { | |
2750 address -= offset; | |
2751 reg[base].I = address; | |
2752 } | |
2753 } | |
2754 break; | |
2755 case 0x05f: | |
2756 case 0x07f: | |
2757 { | |
2758 // LDRSH Rd, [Rn], #-offset | |
2759 int base = (opcode >> 16) & 0x0F; | |
2760 int dest = (opcode >> 12) & 0x0F; | |
2761 u32 address = reg[base].I; | |
2762 int offset = (opcode & 0x0F) | ((opcode >> 4) & 0xF0); | |
2763 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2764 reg[dest].I = (s16)CPUReadHalfWordSigned(address); | |
2765 if (dest != base) | |
2766 { | |
2767 address -= offset; | |
2768 reg[base].I = address; | |
2769 } | |
2770 } | |
2771 break; | |
2772 case 0x09f: | |
2773 case 0x0bf: | |
2774 { | |
2775 // LDRSH Rd, [Rn], Rm | |
2776 int base = (opcode >> 16) & 0x0F; | |
2777 int dest = (opcode >> 12) & 0x0F; | |
2778 u32 address = reg[base].I; | |
2779 int offset = reg[opcode & 0x0F].I; | |
2780 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2781 reg[dest].I = (s16)CPUReadHalfWordSigned(address); | |
2782 if (dest != base) | |
2783 { | |
2784 address += offset; | |
2785 reg[base].I = address; | |
2786 } | |
2787 } | |
2788 break; | |
2789 case 0x0df: | |
2790 case 0x0ff: | |
2791 { | |
2792 // LDRSH Rd, [Rn], #offset | |
2793 int base = (opcode >> 16) & 0x0F; | |
2794 int dest = (opcode >> 12) & 0x0F; | |
2795 u32 address = reg[base].I; | |
2796 int offset = (opcode & 0x0F) | ((opcode >> 4) & 0xF0); | |
2797 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2798 reg[dest].I = (s16)CPUReadHalfWordSigned(address); | |
2799 if (dest != base) | |
2800 { | |
2801 address += offset; | |
2802 reg[base].I = address; | |
2803 } | |
2804 } | |
2805 break; | |
2806 case 0x11f: | |
2807 { | |
2808 // LDRSH Rd, [Rn, -Rm] | |
2809 int base = (opcode >> 16) & 0x0F; | |
2810 int dest = (opcode >> 12) & 0x0F; | |
2811 u32 address = reg[base].I - reg[opcode & 0x0F].I; | |
2812 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2813 reg[dest].I = (s16)CPUReadHalfWordSigned(address); | |
2814 } | |
2815 break; | |
2816 case 0x13f: | |
2817 { | |
2818 // LDRSH Rd, [Rn, -Rm]! | |
2819 int base = (opcode >> 16) & 0x0F; | |
2820 int dest = (opcode >> 12) & 0x0F; | |
2821 u32 address = reg[base].I - reg[opcode & 0x0F].I; | |
2822 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2823 reg[dest].I = (s16)CPUReadHalfWordSigned(address); | |
2824 if (dest != base) | |
2825 reg[base].I = address; | |
2826 } | |
2827 break; | |
2828 case 0x15f: | |
2829 { | |
2830 // LDRSH Rd, [Rn, -#offset] | |
2831 int base = (opcode >> 16) & 0x0F; | |
2832 int dest = (opcode >> 12) & 0x0F; | |
2833 u32 address = reg[base].I - ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2834 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2835 reg[dest].I = (s16)CPUReadHalfWordSigned(address); | |
2836 } | |
2837 break; | |
2838 case 0x17f: | |
2839 { | |
2840 // LDRSH Rd, [Rn, -#offset]! | |
2841 int base = (opcode >> 16) & 0x0F; | |
2842 int dest = (opcode >> 12) & 0x0F; | |
2843 u32 address = reg[base].I - ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2844 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2845 reg[dest].I = (s16)CPUReadHalfWordSigned(address); | |
2846 if (dest != base) | |
2847 reg[base].I = address; | |
2848 } | |
2849 break; | |
2850 case 0x19f: | |
2851 { | |
2852 // LDRSH Rd, [Rn, Rm] | |
2853 int base = (opcode >> 16) & 0x0F; | |
2854 int dest = (opcode >> 12) & 0x0F; | |
2855 u32 address = reg[base].I + reg[opcode & 0x0F].I; | |
2856 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2857 reg[dest].I = (s16)CPUReadHalfWordSigned(address); | |
2858 } | |
2859 break; | |
2860 case 0x1bf: | |
2861 { | |
2862 // LDRSH Rd, [Rn, Rm]! | |
2863 int base = (opcode >> 16) & 0x0F; | |
2864 int dest = (opcode >> 12) & 0x0F; | |
2865 u32 address = reg[base].I + reg[opcode & 0x0F].I; | |
2866 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2867 reg[dest].I = (s16)CPUReadHalfWordSigned(address); | |
2868 if (dest != base) | |
2869 reg[base].I = address; | |
2870 } | |
2871 break; | |
2872 case 0x1df: | |
2873 { | |
2874 // LDRSH Rd, [Rn, #offset] | |
2875 int base = (opcode >> 16) & 0x0F; | |
2876 int dest = (opcode >> 12) & 0x0F; | |
2877 u32 address = reg[base].I + ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2878 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2879 reg[dest].I = (s16)CPUReadHalfWordSigned(address); | |
2880 } | |
2881 break; | |
2882 case 0x1ff: | |
2883 { | |
2884 // LDRSH Rd, [Rn, #offset]! | |
2885 int base = (opcode >> 16) & 0x0F; | |
2886 int dest = (opcode >> 12) & 0x0F; | |
2887 u32 address = reg[base].I + ((opcode & 0x0F) | ((opcode >> 4) & 0xF0)); | |
2888 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
2889 reg[dest].I = (s16)CPUReadHalfWordSigned(address); | |
2890 if (dest != base) | |
2891 reg[base].I = address; | |
2892 } | |
2893 break; | |
2894 LOGICAL_DATA_OPCODE_WITHOUT_base(OP_EOR, OP_EOR, 0x020); | |
2895 LOGICAL_DATA_OPCODE_WITHOUT_base(OP_EORS, OP_EOR, 0x030); | |
2896 case 0x029: | |
2897 { | |
2898 // MLA Rd, Rm, Rs, Rn | |
2899 int dest = (opcode >> 16) & 0x0F; | |
2900 int mult = (opcode & 0x0F); | |
2901 u32 rs = reg[(opcode >> 8) & 0x0F].I; | |
2902 reg[dest].I = reg[mult].I * rs + reg[(opcode >> 12) & 0x0f].I; | |
2903 if (((s32)rs) < 0) | |
2904 rs = ~rs; | |
2905 if ((rs & 0xFFFFFF00) == 0) | |
2906 clockTicks += 3; | |
2907 else if ((rs & 0xFFFF0000) == 0) | |
2908 clockTicks += 4; | |
2909 else if ((rs & 0xFF000000) == 0) | |
2910 clockTicks += 5; | |
2911 else | |
2912 clockTicks += 6; | |
2913 } | |
2914 break; | |
2915 case 0x039: | |
2916 { | |
2917 // MLAS Rd, Rm, Rs, Rn | |
2918 int dest = (opcode >> 16) & 0x0F; | |
2919 int mult = (opcode & 0x0F); | |
2920 u32 rs = reg[(opcode >> 8) & 0x0F].I; | |
2921 reg[dest].I = reg[mult].I * rs + reg[(opcode >> 12) & 0x0f].I; | |
2922 N_FLAG = (reg[dest].I & 0x80000000) ? true : false; | |
2923 Z_FLAG = (reg[dest].I) ? false : true; | |
2924 if (((s32)rs) < 0) | |
2925 rs = ~rs; | |
2926 if ((rs & 0xFFFFFF00) == 0) | |
2927 clockTicks += 3; | |
2928 else if ((rs & 0xFFFF0000) == 0) | |
2929 clockTicks += 4; | |
2930 else if ((rs & 0xFF000000) == 0) | |
2931 clockTicks += 5; | |
2932 else | |
2933 clockTicks += 6; | |
2934 } | |
2935 break; | |
2936 ARITHMETIC_DATA_OPCODE(OP_SUB, OP_SUB, 0x040); | |
2937 ARITHMETIC_DATA_OPCODE(OP_SUBS, OP_SUB, 0x050); | |
2938 ARITHMETIC_DATA_OPCODE(OP_RSB, OP_RSB, 0x060); | |
2939 ARITHMETIC_DATA_OPCODE(OP_RSBS, OP_RSB, 0x070); | |
2940 ARITHMETIC_DATA_OPCODE(OP_ADD, OP_ADD, 0x080); | |
2941 ARITHMETIC_DATA_OPCODE(OP_ADDS, OP_ADD, 0x090); | |
2942 case 0x089: | |
2943 { | |
2944 // UMULL RdLo, RdHi, Rn, Rs | |
2945 u32 umult = reg[(opcode & 0x0F)].I; | |
2946 u32 usource = reg[(opcode >> 8) & 0x0F].I; | |
2947 int destLo = (opcode >> 12) & 0x0F; | |
2948 int destHi = (opcode >> 16) & 0x0F; | |
2949 u64 uTemp = ((u64)umult) * ((u64)usource); | |
2950 reg[destLo].I = (u32)(uTemp & 0xFFFFFFFF); | |
2951 reg[destHi].I = (u32)(uTemp >> 32); | |
2952 if ((usource & 0xFFFFFF00) == 0) | |
2953 clockTicks += 2; | |
2954 else if ((usource & 0xFFFF0000) == 0) | |
2955 clockTicks += 3; | |
2956 else if ((usource & 0xFF000000) == 0) | |
2957 clockTicks += 4; | |
2958 else | |
2959 clockTicks += 5; | |
2960 } | |
2961 break; | |
2962 case 0x099: | |
2963 { | |
2964 // UMULLS RdLo, RdHi, Rn, Rs | |
2965 u32 umult = reg[(opcode & 0x0F)].I; | |
2966 u32 usource = reg[(opcode >> 8) & 0x0F].I; | |
2967 int destLo = (opcode >> 12) & 0x0F; | |
2968 int destHi = (opcode >> 16) & 0x0F; | |
2969 u64 uTemp = ((u64)umult) * ((u64)usource); | |
2970 reg[destLo].I = (u32)(uTemp & 0xFFFFFFFF); | |
2971 reg[destHi].I = (u32)(uTemp >> 32); | |
2972 Z_FLAG = (uTemp) ? false : true; | |
2973 N_FLAG = (reg[destHi].I & 0x80000000) ? true : false; | |
2974 if ((usource & 0xFFFFFF00) == 0) | |
2975 clockTicks += 2; | |
2976 else if ((usource & 0xFFFF0000) == 0) | |
2977 clockTicks += 3; | |
2978 else if ((usource & 0xFF000000) == 0) | |
2979 clockTicks += 4; | |
2980 else | |
2981 clockTicks += 5; | |
2982 } | |
2983 break; | |
2984 ARITHMETIC_DATA_OPCODE(OP_ADC, OP_ADC, 0x0a0); | |
2985 ARITHMETIC_DATA_OPCODE(OP_ADCS, OP_ADC, 0x0b0); | |
2986 case 0x0a9: | |
2987 { | |
2988 // UMLAL RdLo, RdHi, Rn, Rs | |
2989 u32 umult = reg[(opcode & 0x0F)].I; | |
2990 u32 usource = reg[(opcode >> 8) & 0x0F].I; | |
2991 int destLo = (opcode >> 12) & 0x0F; | |
2992 int destHi = (opcode >> 16) & 0x0F; | |
2993 u64 uTemp = (u64)reg[destHi].I; | |
2994 uTemp <<= 32; | |
2995 uTemp |= (u64)reg[destLo].I; | |
2996 uTemp += ((u64)umult) * ((u64)usource); | |
2997 reg[destLo].I = (u32)(uTemp & 0xFFFFFFFF); | |
2998 reg[destHi].I = (u32)(uTemp >> 32); | |
2999 if ((usource & 0xFFFFFF00) == 0) | |
3000 clockTicks += 3; | |
3001 else if ((usource & 0xFFFF0000) == 0) | |
3002 clockTicks += 4; | |
3003 else if ((usource & 0xFF000000) == 0) | |
3004 clockTicks += 5; | |
3005 else | |
3006 clockTicks += 6; | |
3007 } | |
3008 break; | |
3009 case 0x0b9: | |
3010 { | |
3011 // UMLALS RdLo, RdHi, Rn, Rs | |
3012 u32 umult = reg[(opcode & 0x0F)].I; | |
3013 u32 usource = reg[(opcode >> 8) & 0x0F].I; | |
3014 int destLo = (opcode >> 12) & 0x0F; | |
3015 int destHi = (opcode >> 16) & 0x0F; | |
3016 u64 uTemp = (u64)reg[destHi].I; | |
3017 uTemp <<= 32; | |
3018 uTemp |= (u64)reg[destLo].I; | |
3019 uTemp += ((u64)umult) * ((u64)usource); | |
3020 reg[destLo].I = (u32)(uTemp & 0xFFFFFFFF); | |
3021 reg[destHi].I = (u32)(uTemp >> 32); | |
3022 Z_FLAG = (uTemp) ? false : true; | |
3023 N_FLAG = (reg[destHi].I & 0x80000000) ? true : false; | |
3024 if ((usource & 0xFFFFFF00) == 0) | |
3025 clockTicks += 3; | |
3026 else if ((usource & 0xFFFF0000) == 0) | |
3027 clockTicks += 4; | |
3028 else if ((usource & 0xFF000000) == 0) | |
3029 clockTicks += 5; | |
3030 else | |
3031 clockTicks += 6; | |
3032 } | |
3033 break; | |
3034 ARITHMETIC_DATA_OPCODE(OP_SBC, OP_SBC, 0x0c0); | |
3035 ARITHMETIC_DATA_OPCODE(OP_SBCS, OP_SBC, 0x0d0); | |
3036 case 0x0c9: | |
3037 { | |
3038 // SMULL RdLo, RdHi, Rm, Rs | |
3039 int destLo = (opcode >> 12) & 0x0F; | |
3040 int destHi = (opcode >> 16) & 0x0F; | |
3041 u32 rs = reg[(opcode >> 8) & 0x0F].I; | |
3042 s64 m = (s32)reg[(opcode & 0x0F)].I; | |
3043 s64 s = (s32)rs; | |
3044 s64 sTemp = m * s; | |
3045 reg[destLo].I = (u32)(sTemp & 0xFFFFFFFF); | |
3046 reg[destHi].I = (u32)(sTemp >> 32); | |
3047 if (((s32)rs) < 0) | |
3048 rs = ~rs; | |
3049 if ((rs & 0xFFFFFF00) == 0) | |
3050 clockTicks += 2; | |
3051 else if ((rs & 0xFFFF0000) == 0) | |
3052 clockTicks += 3; | |
3053 else if ((rs & 0xFF000000) == 0) | |
3054 clockTicks += 4; | |
3055 else | |
3056 clockTicks += 5; | |
3057 } | |
3058 break; | |
3059 case 0x0d9: | |
3060 { | |
3061 // SMULLS RdLo, RdHi, Rm, Rs | |
3062 int destLo = (opcode >> 12) & 0x0F; | |
3063 int destHi = (opcode >> 16) & 0x0F; | |
3064 u32 rs = reg[(opcode >> 8) & 0x0F].I; | |
3065 s64 m = (s32)reg[(opcode & 0x0F)].I; | |
3066 s64 s = (s32)rs; | |
3067 s64 sTemp = m * s; | |
3068 reg[destLo].I = (u32)(sTemp & 0xFFFFFFFF); | |
3069 reg[destHi].I = (u32)(sTemp >> 32); | |
3070 Z_FLAG = (sTemp) ? false : true; | |
3071 N_FLAG = (sTemp < 0) ? true : false; | |
3072 if (((s32)rs) < 0) | |
3073 rs = ~rs; | |
3074 if ((rs & 0xFFFFFF00) == 0) | |
3075 clockTicks += 2; | |
3076 else if ((rs & 0xFFFF0000) == 0) | |
3077 clockTicks += 3; | |
3078 else if ((rs & 0xFF000000) == 0) | |
3079 clockTicks += 4; | |
3080 else | |
3081 clockTicks += 5; | |
3082 } | |
3083 break; | |
3084 ARITHMETIC_DATA_OPCODE(OP_RSC, OP_RSC, 0x0e0); | |
3085 ARITHMETIC_DATA_OPCODE(OP_RSCS, OP_RSC, 0x0f0); | |
3086 case 0x0e9: | |
3087 { | |
3088 // SMLAL RdLo, RdHi, Rm, Rs | |
3089 int destLo = (opcode >> 12) & 0x0F; | |
3090 int destHi = (opcode >> 16) & 0x0F; | |
3091 u32 rs = reg[(opcode >> 8) & 0x0F].I; | |
3092 s64 m = (s32)reg[(opcode & 0x0F)].I; | |
3093 s64 s = (s32)rs; | |
3094 s64 sTemp = (u64)reg[destHi].I; | |
3095 sTemp <<= 32; | |
3096 sTemp |= (u64)reg[destLo].I; | |
3097 sTemp += m * s; | |
3098 reg[destLo].I = (u32)(sTemp & 0xFFFFFFFF); | |
3099 reg[destHi].I = (u32)(sTemp >> 32); | |
3100 if (((s32)rs) < 0) | |
3101 rs = ~rs; | |
3102 if ((rs & 0xFFFFFF00) == 0) | |
3103 clockTicks += 3; | |
3104 else if ((rs & 0xFFFF0000) == 0) | |
3105 clockTicks += 4; | |
3106 else if ((rs & 0xFF000000) == 0) | |
3107 clockTicks += 5; | |
3108 else | |
3109 clockTicks += 6; | |
3110 } | |
3111 break; | |
3112 case 0x0f9: | |
3113 { | |
3114 // SMLALS RdLo, RdHi, Rm, Rs | |
3115 int destLo = (opcode >> 12) & 0x0F; | |
3116 int destHi = (opcode >> 16) & 0x0F; | |
3117 u32 rs = reg[(opcode >> 8) & 0x0F].I; | |
3118 s64 m = (s32)reg[(opcode & 0x0F)].I; | |
3119 s64 s = (s32)rs; | |
3120 s64 sTemp = (u64)reg[destHi].I; | |
3121 sTemp <<= 32; | |
3122 sTemp |= (u64)reg[destLo].I; | |
3123 sTemp += m * s; | |
3124 reg[destLo].I = (u32)(sTemp & 0xFFFFFFFF); | |
3125 reg[destHi].I = (u32)(sTemp >> 32); | |
3126 Z_FLAG = (sTemp) ? false : true; | |
3127 N_FLAG = (sTemp < 0) ? true : false; | |
3128 if (((s32)rs) < 0) | |
3129 rs = ~rs; | |
3130 if ((rs & 0xFFFFFF00) == 0) | |
3131 clockTicks += 3; | |
3132 else if ((rs & 0xFFFF0000) == 0) | |
3133 clockTicks += 4; | |
3134 else if ((rs & 0xFF000000) == 0) | |
3135 clockTicks += 5; | |
3136 else | |
3137 clockTicks += 6; | |
3138 } | |
3139 break; | |
3140 LOGICAL_DATA_OPCODE(OP_TST, OP_TST, 0x110); | |
3141 case 0x100: | |
3142 // MRS Rd, CPSR | |
3143 // TODO: check if right instruction.... | |
3144 CPUUpdateCPSR(); | |
3145 reg[(opcode >> 12) & 0x0F].I = reg[16].I; | |
3146 break; | |
3147 case 0x109: | |
3148 { | |
3149 // SWP Rd, Rm, [Rn] | |
3150 u32 address = reg[(opcode >> 16) & 15].I; | |
3151 u32 temp = CPUReadMemory(address); | |
3152 CPUWriteMemory(address, reg[opcode & 15].I); | |
3153 reg[(opcode >> 12) & 15].I = temp; | |
3154 } | |
3155 break; | |
3156 LOGICAL_DATA_OPCODE(OP_TEQ, OP_TEQ, 0x130); | |
3157 case 0x120: | |
3158 { | |
3159 // MSR CPSR_fields, Rm | |
3160 CPUUpdateCPSR(); | |
3161 u32 value = reg[opcode & 15].I; | |
3162 u32 newValue = reg[16].I; | |
3163 if (armMode > 0x10) | |
3164 { | |
3165 if (opcode & 0x00010000) | |
3166 newValue = (newValue & 0xFFFFFF00) | (value & 0x000000FF); | |
3167 if (opcode & 0x00020000) | |
3168 newValue = (newValue & 0xFFFF00FF) | (value & 0x0000FF00); | |
3169 if (opcode & 0x00040000) | |
3170 newValue = (newValue & 0xFF00FFFF) | (value & 0x00FF0000); | |
3171 } | |
3172 if (opcode & 0x00080000) | |
3173 newValue = (newValue & 0x00FFFFFF) | (value & 0xFF000000); | |
3174 newValue |= 0x10; | |
3175 CPUSwitchMode(newValue & 0x1f, false); | |
3176 reg[16].I = newValue; | |
3177 CPUUpdateFlags(); | |
3178 } | |
3179 break; | |
3180 case 0x121: | |
3181 { | |
3182 // BX Rm | |
3183 // TODO: check if right instruction... | |
3184 clockTicks += 3; | |
3185 int base = opcode & 0x0F; | |
3186 armState = reg[base].I & 1 ? false : true; | |
3187 if (armState) | |
3188 { | |
3189 reg[15].I = reg[base].I & 0xFFFFFFFC; | |
3190 armNextPC = reg[15].I; | |
3191 reg[15].I += 4; | |
3192 } | |
3193 else | |
3194 { | |
3195 reg[15].I = reg[base].I & 0xFFFFFFFE; | |
3196 armNextPC = reg[15].I; | |
3197 reg[15].I += 2; | |
3198 } | |
3199 } | |
3200 break; | |
3201 ARITHMETIC_DATA_OPCODE(OP_CMP, OP_CMP, 0x150); | |
3202 case 0x140: | |
3203 // MRS Rd, SPSR | |
3204 // TODO: check if right instruction... | |
3205 reg[(opcode >> 12) & 0x0F].I = reg[17].I; | |
3206 break; | |
3207 case 0x149: | |
3208 { | |
3209 // SWPB Rd, Rm, [Rn] | |
3210 u32 address = reg[(opcode >> 16) & 15].I; | |
3211 u32 temp = CPUReadByte(address); | |
3212 CPUWriteByte(address, reg[opcode & 15].B.B0); | |
3213 reg[(opcode >> 12) & 15].I = temp; | |
3214 } | |
3215 break; | |
3216 ARITHMETIC_DATA_OPCODE(OP_CMN, OP_CMN, 0x170); | |
3217 case 0x160: | |
3218 { | |
3219 // MSR SPSR_fields, Rm | |
3220 u32 value = reg[opcode & 15].I; | |
3221 if (armMode > 0x10 && armMode < 0x1f) | |
3222 { | |
3223 if (opcode & 0x00010000) | |
3224 reg[17].I = (reg[17].I & 0xFFFFFF00) | (value & 0x000000FF); | |
3225 if (opcode & 0x00020000) | |
3226 reg[17].I = (reg[17].I & 0xFFFF00FF) | (value & 0x0000FF00); | |
3227 if (opcode & 0x00040000) | |
3228 reg[17].I = (reg[17].I & 0xFF00FFFF) | (value & 0x00FF0000); | |
3229 if (opcode & 0x00080000) | |
3230 reg[17].I = (reg[17].I & 0x00FFFFFF) | (value & 0xFF000000); | |
3231 } | |
3232 } | |
3233 break; | |
3234 LOGICAL_DATA_OPCODE(OP_ORR, OP_ORR, 0x180); | |
3235 LOGICAL_DATA_OPCODE(OP_ORRS, OP_ORR, 0x190); | |
3236 LOGICAL_DATA_OPCODE_WITHOUT_base(OP_MOV, OP_MOV, 0x1a0); | |
3237 LOGICAL_DATA_OPCODE_WITHOUT_base(OP_MOVS, OP_MOV, 0x1b0); | |
3238 LOGICAL_DATA_OPCODE(OP_BIC, OP_BIC, 0x1c0); | |
3239 LOGICAL_DATA_OPCODE(OP_BICS, OP_BIC, 0x1d0); | |
3240 LOGICAL_DATA_OPCODE_WITHOUT_base(OP_MVN, OP_MVN, 0x1e0); | |
3241 LOGICAL_DATA_OPCODE_WITHOUT_base(OP_MVNS, OP_MVN, 0x1f0); | |
3242 #ifdef BKPT_SUPPORT | |
3243 case 0x127: | |
3244 case 0x7ff: // for GDB support | |
3245 extern void (*dbgSignal)(int, int); | |
3246 reg[15].I -= 4; | |
3247 armNextPC -= 4; | |
3248 dbgSignal(5, (opcode & 0x0f) | ((opcode >> 4) & 0xfff0)); | |
3249 return; | |
3250 #endif | |
3251 case 0x320: | |
3252 case 0x321: | |
3253 case 0x322: | |
3254 case 0x323: | |
3255 case 0x324: | |
3256 case 0x325: | |
3257 case 0x326: | |
3258 case 0x327: | |
3259 case 0x328: | |
3260 case 0x329: | |
3261 case 0x32a: | |
3262 case 0x32b: | |
3263 case 0x32c: | |
3264 case 0x32d: | |
3265 case 0x32e: | |
3266 case 0x32f: | |
3267 { | |
3268 // MSR CPSR_fields, # | |
3269 CPUUpdateCPSR(); | |
3270 u32 value = opcode & 0xFF; | |
3271 int shift = (opcode & 0xF00) >> 7; | |
3272 if (shift) | |
3273 { | |
3274 ROR_IMM_MSR; | |
3275 } | |
3276 u32 newValue = reg[16].I; | |
3277 if (armMode > 0x10) | |
3278 { | |
3279 if (opcode & 0x00010000) | |
3280 newValue = (newValue & 0xFFFFFF00) | (value & 0x000000FF); | |
3281 if (opcode & 0x00020000) | |
3282 newValue = (newValue & 0xFFFF00FF) | (value & 0x0000FF00); | |
3283 if (opcode & 0x00040000) | |
3284 newValue = (newValue & 0xFF00FFFF) | (value & 0x00FF0000); | |
3285 } | |
3286 if (opcode & 0x00080000) | |
3287 newValue = (newValue & 0x00FFFFFF) | (value & 0xFF000000); | |
3288 | |
3289 newValue |= 0x10; | |
3290 | |
3291 CPUSwitchMode(newValue & 0x1f, false); | |
3292 reg[16].I = newValue; | |
3293 CPUUpdateFlags(); | |
3294 } | |
3295 break; | |
3296 case 0x360: | |
3297 case 0x361: | |
3298 case 0x362: | |
3299 case 0x363: | |
3300 case 0x364: | |
3301 case 0x365: | |
3302 case 0x366: | |
3303 case 0x367: | |
3304 case 0x368: | |
3305 case 0x369: | |
3306 case 0x36a: | |
3307 case 0x36b: | |
3308 case 0x36c: | |
3309 case 0x36d: | |
3310 case 0x36e: | |
3311 case 0x36f: | |
3312 { | |
3313 // MSR SPSR_fields, # | |
3314 if (armMode > 0x10 && armMode < 0x1f) | |
3315 { | |
3316 u32 value = opcode & 0xFF; | |
3317 int shift = (opcode & 0xF00) >> 7; | |
3318 if (shift) | |
3319 { | |
3320 ROR_IMM_MSR; | |
3321 } | |
3322 if (opcode & 0x00010000) | |
3323 reg[17].I = (reg[17].I & 0xFFFFFF00) | (value & 0x000000FF); | |
3324 if (opcode & 0x00020000) | |
3325 reg[17].I = (reg[17].I & 0xFFFF00FF) | (value & 0x0000FF00); | |
3326 if (opcode & 0x00040000) | |
3327 reg[17].I = (reg[17].I & 0xFF00FFFF) | (value & 0x00FF0000); | |
3328 if (opcode & 0x00080000) | |
3329 reg[17].I = (reg[17].I & 0x00FFFFFF) | (value & 0xFF000000); | |
3330 } | |
3331 } | |
3332 break; | |
3333 CASE_16(0x400) | |
3334 // T versions shouldn't be different on GBA | |
3335 CASE_16(0x420) | |
3336 { | |
3337 // STR Rd, [Rn], -# | |
3338 int offset = opcode & 0xFFF; | |
3339 int dest = (opcode >> 12) & 15; | |
3340 int base = (opcode >> 16) & 15; | |
3341 u32 address = reg[base].I; | |
3342 CPUWriteMemory(address, reg[dest].I); | |
3343 reg[base].I = address - offset; | |
3344 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3345 } | |
3346 break; | |
3347 CASE_16(0x480) | |
3348 // T versions shouldn't be different on GBA | |
3349 CASE_16(0x4a0) | |
3350 { | |
3351 // STR Rd, [Rn], # | |
3352 int offset = opcode & 0xFFF; | |
3353 int dest = (opcode >> 12) & 15; | |
3354 int base = (opcode >> 16) & 15; | |
3355 u32 address = reg[base].I; | |
3356 CPUWriteMemory(address, reg[dest].I); | |
3357 reg[base].I = address + offset; | |
3358 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3359 } | |
3360 break; | |
3361 CASE_16(0x500) | |
3362 { | |
3363 // STR Rd, [Rn, -#] | |
3364 int offset = opcode & 0xFFF; | |
3365 int dest = (opcode >> 12) & 15; | |
3366 int base = (opcode >> 16) & 15; | |
3367 u32 address = reg[base].I - offset; | |
3368 CPUWriteMemory(address, reg[dest].I); | |
3369 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3370 } | |
3371 break; | |
3372 CASE_16(0x520) | |
3373 { | |
3374 // STR Rd, [Rn, -#]! | |
3375 int offset = opcode & 0xFFF; | |
3376 int dest = (opcode >> 12) & 15; | |
3377 int base = (opcode >> 16) & 15; | |
3378 u32 address = reg[base].I - offset; | |
3379 reg[base].I = address; | |
3380 CPUWriteMemory(address, reg[dest].I); | |
3381 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3382 } | |
3383 break; | |
3384 CASE_16(0x580) | |
3385 { | |
3386 // STR Rd, [Rn, #] | |
3387 int offset = opcode & 0xFFF; | |
3388 int dest = (opcode >> 12) & 15; | |
3389 int base = (opcode >> 16) & 15; | |
3390 u32 address = reg[base].I + offset; | |
3391 CPUWriteMemory(address, reg[dest].I); | |
3392 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3393 } | |
3394 break; | |
3395 CASE_16(0x5a0) | |
3396 { | |
3397 // STR Rd, [Rn, #]! | |
3398 int offset = opcode & 0xFFF; | |
3399 int dest = (opcode >> 12) & 15; | |
3400 int base = (opcode >> 16) & 15; | |
3401 u32 address = reg[base].I + offset; | |
3402 reg[base].I = address; | |
3403 CPUWriteMemory(address, reg[dest].I); | |
3404 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3405 } | |
3406 break; | |
3407 CASE_16(0x410) | |
3408 { | |
3409 // LDR Rd, [Rn], -# | |
3410 int offset = opcode & 0xFFF; | |
3411 int dest = (opcode >> 12) & 15; | |
3412 int base = (opcode >> 16) & 15; | |
3413 u32 address = reg[base].I; | |
3414 reg[dest].I = CPUReadMemory(address); | |
3415 if (dest != base) | |
3416 reg[base].I -= offset; | |
3417 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
3418 if (dest == 15) | |
3419 { | |
3420 clockTicks += 2; | |
3421 reg[15].I &= 0xFFFFFFFC; | |
3422 armNextPC = reg[15].I; | |
3423 reg[15].I += 4; | |
3424 } | |
3425 } | |
3426 break; | |
3427 CASE_16(0x430) | |
3428 { | |
3429 // LDRT Rd, [Rn], -# | |
3430 int offset = opcode & 0xFFF; | |
3431 int dest = (opcode >> 12) & 15; | |
3432 int base = (opcode >> 16) & 15; | |
3433 u32 address = reg[base].I; | |
3434 reg[dest].I = CPUReadMemory(address); | |
3435 if (dest != base) | |
3436 reg[base].I -= offset; | |
3437 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
3438 } | |
3439 break; | |
3440 CASE_16(0x490) | |
3441 { | |
3442 // LDR Rd, [Rn], # | |
3443 int offset = opcode & 0xFFF; | |
3444 int dest = (opcode >> 12) & 15; | |
3445 int base = (opcode >> 16) & 15; | |
3446 u32 address = reg[base].I; | |
3447 reg[dest].I = CPUReadMemory(address); | |
3448 if (dest != base) | |
3449 reg[base].I += offset; | |
3450 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
3451 if (dest == 15) | |
3452 { | |
3453 clockTicks += 2; | |
3454 reg[15].I &= 0xFFFFFFFC; | |
3455 armNextPC = reg[15].I; | |
3456 reg[15].I += 4; | |
3457 } | |
3458 } | |
3459 break; | |
3460 CASE_16(0x4b0) | |
3461 { | |
3462 // LDRT Rd, [Rn], # | |
3463 int offset = opcode & 0xFFF; | |
3464 int dest = (opcode >> 12) & 15; | |
3465 int base = (opcode >> 16) & 15; | |
3466 u32 address = reg[base].I; | |
3467 reg[dest].I = CPUReadMemory(address); | |
3468 if (dest != base) | |
3469 reg[base].I += offset; | |
3470 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
3471 } | |
3472 break; | |
3473 CASE_16(0x510) | |
3474 { | |
3475 // LDR Rd, [Rn, -#] | |
3476 int offset = opcode & 0xFFF; | |
3477 int dest = (opcode >> 12) & 15; | |
3478 int base = (opcode >> 16) & 15; | |
3479 u32 address = reg[base].I - offset; | |
3480 reg[dest].I = CPUReadMemory(address); | |
3481 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
3482 if (dest == 15) | |
3483 { | |
3484 clockTicks += 2; | |
3485 reg[15].I &= 0xFFFFFFFC; | |
3486 armNextPC = reg[15].I; | |
3487 reg[15].I += 4; | |
3488 } | |
3489 } | |
3490 break; | |
3491 CASE_16(0x530) | |
3492 { | |
3493 // LDR Rd, [Rn, -#]! | |
3494 int offset = opcode & 0xFFF; | |
3495 int dest = (opcode >> 12) & 15; | |
3496 int base = (opcode >> 16) & 15; | |
3497 u32 address = reg[base].I - offset; | |
3498 reg[dest].I = CPUReadMemory(address); | |
3499 if (dest != base) | |
3500 reg[base].I = address; | |
3501 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
3502 if (dest == 15) | |
3503 { | |
3504 clockTicks += 2; | |
3505 reg[15].I &= 0xFFFFFFFC; | |
3506 armNextPC = reg[15].I; | |
3507 reg[15].I += 4; | |
3508 } | |
3509 } | |
3510 break; | |
3511 CASE_16(0x590) | |
3512 { | |
3513 // LDR Rd, [Rn, #] | |
3514 int offset = opcode & 0xFFF; | |
3515 int dest = (opcode >> 12) & 15; | |
3516 int base = (opcode >> 16) & 15; | |
3517 u32 address = reg[base].I + offset; | |
3518 reg[dest].I = CPUReadMemory(address); | |
3519 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
3520 if (dest == 15) | |
3521 { | |
3522 clockTicks += 2; | |
3523 reg[15].I &= 0xFFFFFFFC; | |
3524 armNextPC = reg[15].I; | |
3525 reg[15].I += 4; | |
3526 } | |
3527 } | |
3528 break; | |
3529 CASE_16(0x5b0) | |
3530 { | |
3531 // LDR Rd, [Rn, #]! | |
3532 int offset = opcode & 0xFFF; | |
3533 int dest = (opcode >> 12) & 15; | |
3534 int base = (opcode >> 16) & 15; | |
3535 u32 address = reg[base].I + offset; | |
3536 reg[dest].I = CPUReadMemory(address); | |
3537 if (dest != base) | |
3538 reg[base].I = address; | |
3539 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
3540 if (dest == 15) | |
3541 { | |
3542 clockTicks += 2; | |
3543 reg[15].I &= 0xFFFFFFFC; | |
3544 armNextPC = reg[15].I; | |
3545 reg[15].I += 4; | |
3546 } | |
3547 } | |
3548 break; | |
3549 CASE_16(0x440) | |
3550 // T versions shouldn't be different on GBA | |
3551 CASE_16(0x460) | |
3552 { | |
3553 // STRB Rd, [Rn], -# | |
3554 int offset = opcode & 0xFFF; | |
3555 int dest = (opcode >> 12) & 15; | |
3556 int base = (opcode >> 16) & 15; | |
3557 u32 address = reg[base].I; | |
3558 CPUWriteByte(address, reg[dest].B.B0); | |
3559 reg[base].I = address - offset; | |
3560 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
3561 } | |
3562 break; | |
3563 CASE_16(0x4c0) | |
3564 // T versions shouldn't be different on GBA | |
3565 CASE_16(0x4e0) | |
3566 // STRB Rd, [Rn], # | |
3567 { | |
3568 int offset = opcode & 0xFFF; | |
3569 int dest = (opcode >> 12) & 15; | |
3570 int base = (opcode >> 16) & 15; | |
3571 u32 address = reg[base].I; | |
3572 CPUWriteByte(address, reg[dest].B.B0); | |
3573 reg[base].I = address + offset; | |
3574 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
3575 } | |
3576 break; | |
3577 CASE_16(0x540) | |
3578 { | |
3579 // STRB Rd, [Rn, -#] | |
3580 int offset = opcode & 0xFFF; | |
3581 int dest = (opcode >> 12) & 15; | |
3582 int base = (opcode >> 16) & 15; | |
3583 u32 address = reg[base].I - offset; | |
3584 CPUWriteByte(address, reg[dest].B.B0); | |
3585 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
3586 } | |
3587 break; | |
3588 CASE_16(0x560) | |
3589 { | |
3590 // STRB Rd, [Rn, -#]! | |
3591 int offset = opcode & 0xFFF; | |
3592 int dest = (opcode >> 12) & 15; | |
3593 int base = (opcode >> 16) & 15; | |
3594 u32 address = reg[base].I - offset; | |
3595 reg[base].I = address; | |
3596 CPUWriteByte(address, reg[dest].B.B0); | |
3597 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
3598 } | |
3599 break; | |
3600 CASE_16(0x5c0) | |
3601 { | |
3602 // STRB Rd, [Rn, #] | |
3603 int offset = opcode & 0xFFF; | |
3604 int dest = (opcode >> 12) & 15; | |
3605 int base = (opcode >> 16) & 15; | |
3606 u32 address = reg[base].I + offset; | |
3607 CPUWriteByte(address, reg[dest].B.B0); | |
3608 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
3609 } | |
3610 break; | |
3611 CASE_16(0x5e0) | |
3612 { | |
3613 // STRB Rd, [Rn, #]! | |
3614 int offset = opcode & 0xFFF; | |
3615 int dest = (opcode >> 12) & 15; | |
3616 int base = (opcode >> 16) & 15; | |
3617 u32 address = reg[base].I + offset; | |
3618 reg[base].I = address; | |
3619 CPUWriteByte(address, reg[dest].I); | |
3620 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
3621 } | |
3622 break; | |
3623 CASE_16(0x450) | |
3624 // T versions shouldn't be different | |
3625 CASE_16(0x470) | |
3626 { | |
3627 // LDRB Rd, [Rn], -# | |
3628 int offset = opcode & 0xFFF; | |
3629 int dest = (opcode >> 12) & 15; | |
3630 int base = (opcode >> 16) & 15; | |
3631 u32 address = reg[base].I; | |
3632 reg[dest].I = CPUReadByte(address); | |
3633 if (dest != base) | |
3634 reg[base].I -= offset; | |
3635 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
3636 } | |
3637 break; | |
3638 CASE_16(0x4d0) | |
3639 CASE_16(0x4f0) // T versions should not be different | |
3640 { | |
3641 // LDRB Rd, [Rn], # | |
3642 int offset = opcode & 0xFFF; | |
3643 int dest = (opcode >> 12) & 15; | |
3644 int base = (opcode >> 16) & 15; | |
3645 u32 address = reg[base].I; | |
3646 reg[dest].I = CPUReadByte(address); | |
3647 if (dest != base) | |
3648 reg[base].I += offset; | |
3649 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
3650 } | |
3651 break; | |
3652 CASE_16(0x550) | |
3653 { | |
3654 // LDRB Rd, [Rn, -#] | |
3655 int offset = opcode & 0xFFF; | |
3656 int dest = (opcode >> 12) & 15; | |
3657 int base = (opcode >> 16) & 15; | |
3658 u32 address = reg[base].I - offset; | |
3659 reg[dest].I = CPUReadByte(address); | |
3660 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
3661 } | |
3662 break; | |
3663 CASE_16(0x570) | |
3664 { | |
3665 // LDRB Rd, [Rn, -#]! | |
3666 int offset = opcode & 0xFFF; | |
3667 int dest = (opcode >> 12) & 15; | |
3668 int base = (opcode >> 16) & 15; | |
3669 u32 address = reg[base].I - offset; | |
3670 reg[dest].I = CPUReadByte(address); | |
3671 if (dest != base) | |
3672 reg[base].I = address; | |
3673 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
3674 } | |
3675 break; | |
3676 CASE_16(0x5d0) | |
3677 { | |
3678 // LDRB Rd, [Rn, #] | |
3679 int offset = opcode & 0xFFF; | |
3680 int dest = (opcode >> 12) & 15; | |
3681 int base = (opcode >> 16) & 15; | |
3682 u32 address = reg[base].I + offset; | |
3683 reg[dest].I = CPUReadByte(address); | |
3684 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
3685 } | |
3686 break; | |
3687 CASE_16(0x5f0) | |
3688 { | |
3689 // LDRB Rd, [Rn, #]! | |
3690 int offset = opcode & 0xFFF; | |
3691 int dest = (opcode >> 12) & 15; | |
3692 int base = (opcode >> 16) & 15; | |
3693 u32 address = reg[base].I + offset; | |
3694 reg[dest].I = CPUReadByte(address); | |
3695 if (dest != base) | |
3696 reg[base].I = address; | |
3697 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
3698 } | |
3699 break; | |
3700 case 0x600: | |
3701 case 0x608: | |
3702 // T versions are the same | |
3703 case 0x620: | |
3704 case 0x628: | |
3705 { | |
3706 // STR Rd, [Rn], -Rm, LSL # | |
3707 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
3708 int dest = (opcode >> 12) & 15; | |
3709 int base = (opcode >> 16) & 15; | |
3710 u32 address = reg[base].I; | |
3711 CPUWriteMemory(address, reg[dest].I); | |
3712 reg[base].I = address - offset; | |
3713 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3714 } | |
3715 break; | |
3716 case 0x602: | |
3717 case 0x60a: | |
3718 // T versions are the same | |
3719 case 0x622: | |
3720 case 0x62a: | |
3721 { | |
3722 // STR Rd, [Rn], -Rm, LSR # | |
3723 int shift = (opcode >> 7) & 31; | |
3724 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
3725 int dest = (opcode >> 12) & 15; | |
3726 int base = (opcode >> 16) & 15; | |
3727 u32 address = reg[base].I; | |
3728 CPUWriteMemory(address, reg[dest].I); | |
3729 reg[base].I = address - offset; | |
3730 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3731 } | |
3732 break; | |
3733 case 0x604: | |
3734 case 0x60c: | |
3735 // T versions are the same | |
3736 case 0x624: | |
3737 case 0x62c: | |
3738 { | |
3739 // STR Rd, [Rn], -Rm, ASR # | |
3740 int shift = (opcode >> 7) & 31; | |
3741 int offset; | |
3742 if (shift) | |
3743 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
3744 else if (reg[opcode & 15].I & 0x80000000) | |
3745 offset = 0xFFFFFFFF; | |
3746 else | |
3747 offset = 0; | |
3748 int dest = (opcode >> 12) & 15; | |
3749 int base = (opcode >> 16) & 15; | |
3750 u32 address = reg[base].I; | |
3751 CPUWriteMemory(address, reg[dest].I); | |
3752 reg[base].I = address - offset; | |
3753 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3754 } | |
3755 break; | |
3756 case 0x606: | |
3757 case 0x60e: | |
3758 // T versions are the same | |
3759 case 0x626: | |
3760 case 0x62e: | |
3761 { | |
3762 // STR Rd, [Rn], -Rm, ROR # | |
3763 int shift = (opcode >> 7) & 31; | |
3764 u32 value = reg[opcode & 15].I; | |
3765 if (shift) | |
3766 { | |
3767 ROR_VALUE; | |
3768 } | |
3769 else | |
3770 { | |
3771 RCR_VALUE; | |
3772 } | |
3773 int dest = (opcode >> 12) & 15; | |
3774 int base = (opcode >> 16) & 15; | |
3775 u32 address = reg[base].I; | |
3776 CPUWriteMemory(address, reg[dest].I); | |
3777 reg[base].I = address - value; | |
3778 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3779 } | |
3780 break; | |
3781 case 0x680: | |
3782 case 0x688: | |
3783 // T versions are the same | |
3784 case 0x6a0: | |
3785 case 0x6a8: | |
3786 { | |
3787 // STR Rd, [Rn], Rm, LSL # | |
3788 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
3789 int dest = (opcode >> 12) & 15; | |
3790 int base = (opcode >> 16) & 15; | |
3791 u32 address = reg[base].I; | |
3792 CPUWriteMemory(address, reg[dest].I); | |
3793 reg[base].I = address + offset; | |
3794 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3795 } | |
3796 break; | |
3797 case 0x682: | |
3798 case 0x68a: | |
3799 // T versions are the same | |
3800 case 0x6a2: | |
3801 case 0x6aa: | |
3802 { | |
3803 // STR Rd, [Rn], Rm, LSR # | |
3804 int shift = (opcode >> 7) & 31; | |
3805 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
3806 int dest = (opcode >> 12) & 15; | |
3807 int base = (opcode >> 16) & 15; | |
3808 u32 address = reg[base].I; | |
3809 CPUWriteMemory(address, reg[dest].I); | |
3810 reg[base].I = address + offset; | |
3811 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3812 } | |
3813 break; | |
3814 case 0x684: | |
3815 case 0x68c: | |
3816 // T versions are the same | |
3817 case 0x6a4: | |
3818 case 0x6ac: | |
3819 { | |
3820 // STR Rd, [Rn], Rm, ASR # | |
3821 int shift = (opcode >> 7) & 31; | |
3822 int offset; | |
3823 if (shift) | |
3824 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
3825 else if (reg[opcode & 15].I & 0x80000000) | |
3826 offset = 0xFFFFFFFF; | |
3827 else | |
3828 offset = 0; | |
3829 int dest = (opcode >> 12) & 15; | |
3830 int base = (opcode >> 16) & 15; | |
3831 u32 address = reg[base].I; | |
3832 CPUWriteMemory(address, reg[dest].I); | |
3833 reg[base].I = address + offset; | |
3834 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3835 } | |
3836 break; | |
3837 case 0x686: | |
3838 case 0x68e: | |
3839 // T versions are the same | |
3840 case 0x6a6: | |
3841 case 0x6ae: | |
3842 { | |
3843 // STR Rd, [Rn], Rm, ROR # | |
3844 int shift = (opcode >> 7) & 31; | |
3845 u32 value = reg[opcode & 15].I; | |
3846 if (shift) | |
3847 { | |
3848 ROR_VALUE; | |
3849 } | |
3850 else | |
3851 { | |
3852 RCR_VALUE; | |
3853 } | |
3854 int dest = (opcode >> 12) & 15; | |
3855 int base = (opcode >> 16) & 15; | |
3856 u32 address = reg[base].I; | |
3857 CPUWriteMemory(address, reg[dest].I); | |
3858 reg[base].I = address + value; | |
3859 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3860 } | |
3861 break; | |
3862 case 0x700: | |
3863 case 0x708: | |
3864 { | |
3865 // STR Rd, [Rn, -Rm, LSL #] | |
3866 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
3867 int dest = (opcode >> 12) & 15; | |
3868 int base = (opcode >> 16) & 15; | |
3869 u32 address = reg[base].I - offset; | |
3870 CPUWriteMemory(address, reg[dest].I); | |
3871 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3872 } | |
3873 break; | |
3874 case 0x702: | |
3875 case 0x70a: | |
3876 { | |
3877 // STR Rd, [Rn, -Rm, LSR #] | |
3878 int shift = (opcode >> 7) & 31; | |
3879 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
3880 int dest = (opcode >> 12) & 15; | |
3881 int base = (opcode >> 16) & 15; | |
3882 u32 address = reg[base].I - offset; | |
3883 CPUWriteMemory(address, reg[dest].I); | |
3884 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3885 } | |
3886 break; | |
3887 case 0x704: | |
3888 case 0x70c: | |
3889 { | |
3890 // STR Rd, [Rn, -Rm, ASR #] | |
3891 int shift = (opcode >> 7) & 31; | |
3892 int offset; | |
3893 if (shift) | |
3894 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
3895 else if (reg[opcode & 15].I & 0x80000000) | |
3896 offset = 0xFFFFFFFF; | |
3897 else | |
3898 offset = 0; | |
3899 int dest = (opcode >> 12) & 15; | |
3900 int base = (opcode >> 16) & 15; | |
3901 u32 address = reg[base].I - offset; | |
3902 CPUWriteMemory(address, reg[dest].I); | |
3903 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3904 } | |
3905 break; | |
3906 case 0x706: | |
3907 case 0x70e: | |
3908 { | |
3909 // STR Rd, [Rn, -Rm, ROR #] | |
3910 int shift = (opcode >> 7) & 31; | |
3911 u32 value = reg[opcode & 15].I; | |
3912 if (shift) | |
3913 { | |
3914 ROR_VALUE; | |
3915 } | |
3916 else | |
3917 { | |
3918 RCR_VALUE; | |
3919 } | |
3920 int dest = (opcode >> 12) & 15; | |
3921 int base = (opcode >> 16) & 15; | |
3922 u32 address = reg[base].I - value; | |
3923 CPUWriteMemory(address, reg[dest].I); | |
3924 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3925 } | |
3926 break; | |
3927 case 0x720: | |
3928 case 0x728: | |
3929 { | |
3930 // STR Rd, [Rn, -Rm, LSL #]! | |
3931 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
3932 int dest = (opcode >> 12) & 15; | |
3933 int base = (opcode >> 16) & 15; | |
3934 u32 address = reg[base].I - offset; | |
3935 reg[base].I = address; | |
3936 CPUWriteMemory(address, reg[dest].I); | |
3937 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3938 } | |
3939 break; | |
3940 case 0x722: | |
3941 case 0x72a: | |
3942 { | |
3943 // STR Rd, [Rn, -Rm, LSR #]! | |
3944 int shift = (opcode >> 7) & 31; | |
3945 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
3946 int dest = (opcode >> 12) & 15; | |
3947 int base = (opcode >> 16) & 15; | |
3948 u32 address = reg[base].I - offset; | |
3949 reg[base].I = address; | |
3950 CPUWriteMemory(address, reg[dest].I); | |
3951 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3952 } | |
3953 break; | |
3954 case 0x724: | |
3955 case 0x72c: | |
3956 { | |
3957 // STR Rd, [Rn, -Rm, ASR #]! | |
3958 int shift = (opcode >> 7) & 31; | |
3959 int offset; | |
3960 if (shift) | |
3961 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
3962 else if (reg[opcode & 15].I & 0x80000000) | |
3963 offset = 0xFFFFFFFF; | |
3964 else | |
3965 offset = 0; | |
3966 int dest = (opcode >> 12) & 15; | |
3967 int base = (opcode >> 16) & 15; | |
3968 u32 address = reg[base].I - offset; | |
3969 reg[base].I = address; | |
3970 CPUWriteMemory(address, reg[dest].I); | |
3971 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3972 } | |
3973 break; | |
3974 case 0x726: | |
3975 case 0x72e: | |
3976 { | |
3977 // STR Rd, [Rn, -Rm, ROR #]! | |
3978 int shift = (opcode >> 7) & 31; | |
3979 u32 value = reg[opcode & 15].I; | |
3980 if (shift) | |
3981 { | |
3982 ROR_VALUE; | |
3983 } | |
3984 else | |
3985 { | |
3986 RCR_VALUE; | |
3987 } | |
3988 int dest = (opcode >> 12) & 15; | |
3989 int base = (opcode >> 16) & 15; | |
3990 u32 address = reg[base].I - value; | |
3991 reg[base].I = address; | |
3992 CPUWriteMemory(address, reg[dest].I); | |
3993 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
3994 } | |
3995 break; | |
3996 case 0x780: | |
3997 case 0x788: | |
3998 { | |
3999 // STR Rd, [Rn, Rm, LSL #] | |
4000 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
4001 int dest = (opcode >> 12) & 15; | |
4002 int base = (opcode >> 16) & 15; | |
4003 u32 address = reg[base].I + offset; | |
4004 CPUWriteMemory(address, reg[dest].I); | |
4005 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
4006 } | |
4007 break; | |
4008 case 0x782: | |
4009 case 0x78a: | |
4010 { | |
4011 // STR Rd, [Rn, Rm, LSR #] | |
4012 int shift = (opcode >> 7) & 31; | |
4013 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
4014 int dest = (opcode >> 12) & 15; | |
4015 int base = (opcode >> 16) & 15; | |
4016 u32 address = reg[base].I + offset; | |
4017 CPUWriteMemory(address, reg[dest].I); | |
4018 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
4019 } | |
4020 break; | |
4021 case 0x784: | |
4022 case 0x78c: | |
4023 { | |
4024 // STR Rd, [Rn, Rm, ASR #] | |
4025 int shift = (opcode >> 7) & 31; | |
4026 int offset; | |
4027 if (shift) | |
4028 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
4029 else if (reg[opcode & 15].I & 0x80000000) | |
4030 offset = 0xFFFFFFFF; | |
4031 else | |
4032 offset = 0; | |
4033 int dest = (opcode >> 12) & 15; | |
4034 int base = (opcode >> 16) & 15; | |
4035 u32 address = reg[base].I + offset; | |
4036 CPUWriteMemory(address, reg[dest].I); | |
4037 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
4038 } | |
4039 break; | |
4040 case 0x786: | |
4041 case 0x78e: | |
4042 { | |
4043 // STR Rd, [Rn, Rm, ROR #] | |
4044 int shift = (opcode >> 7) & 31; | |
4045 u32 value = reg[opcode & 15].I; | |
4046 if (shift) | |
4047 { | |
4048 ROR_VALUE; | |
4049 } | |
4050 else | |
4051 { | |
4052 RCR_VALUE; | |
4053 } | |
4054 int dest = (opcode >> 12) & 15; | |
4055 int base = (opcode >> 16) & 15; | |
4056 u32 address = reg[base].I + value; | |
4057 CPUWriteMemory(address, reg[dest].I); | |
4058 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
4059 } | |
4060 break; | |
4061 case 0x7a0: | |
4062 case 0x7a8: | |
4063 { | |
4064 // STR Rd, [Rn, Rm, LSL #]! | |
4065 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
4066 int dest = (opcode >> 12) & 15; | |
4067 int base = (opcode >> 16) & 15; | |
4068 u32 address = reg[base].I + offset; | |
4069 reg[base].I = address; | |
4070 CPUWriteMemory(address, reg[dest].I); | |
4071 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
4072 } | |
4073 break; | |
4074 case 0x7a2: | |
4075 case 0x7aa: | |
4076 { | |
4077 // STR Rd, [Rn, Rm, LSR #]! | |
4078 int shift = (opcode >> 7) & 31; | |
4079 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
4080 int dest = (opcode >> 12) & 15; | |
4081 int base = (opcode >> 16) & 15; | |
4082 u32 address = reg[base].I + offset; | |
4083 reg[base].I = address; | |
4084 CPUWriteMemory(address, reg[dest].I); | |
4085 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
4086 } | |
4087 break; | |
4088 case 0x7a4: | |
4089 case 0x7ac: | |
4090 { | |
4091 // STR Rd, [Rn, Rm, ASR #]! | |
4092 int shift = (opcode >> 7) & 31; | |
4093 int offset; | |
4094 if (shift) | |
4095 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
4096 else if (reg[opcode & 15].I & 0x80000000) | |
4097 offset = 0xFFFFFFFF; | |
4098 else | |
4099 offset = 0; | |
4100 int dest = (opcode >> 12) & 15; | |
4101 int base = (opcode >> 16) & 15; | |
4102 u32 address = reg[base].I + offset; | |
4103 reg[base].I = address; | |
4104 CPUWriteMemory(address, reg[dest].I); | |
4105 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
4106 } | |
4107 break; | |
4108 case 0x7a6: | |
4109 case 0x7ae: | |
4110 { | |
4111 // STR Rd, [Rn, Rm, ROR #]! | |
4112 int shift = (opcode >> 7) & 31; | |
4113 u32 value = reg[opcode & 15].I; | |
4114 if (shift) | |
4115 { | |
4116 ROR_VALUE; | |
4117 } | |
4118 else | |
4119 { | |
4120 RCR_VALUE; | |
4121 } | |
4122 int dest = (opcode >> 12) & 15; | |
4123 int base = (opcode >> 16) & 15; | |
4124 u32 address = reg[base].I + value; | |
4125 reg[base].I = address; | |
4126 CPUWriteMemory(address, reg[dest].I); | |
4127 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
4128 } | |
4129 break; | |
4130 case 0x610: | |
4131 case 0x618: | |
4132 // T versions are the same | |
4133 case 0x630: | |
4134 case 0x638: | |
4135 { | |
4136 // LDR Rd, [Rn], -Rm, LSL # | |
4137 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
4138 int dest = (opcode >> 12) & 15; | |
4139 int base = (opcode >> 16) & 15; | |
4140 u32 address = reg[base].I; | |
4141 reg[dest].I = CPUReadMemory(address); | |
4142 if (dest != base) | |
4143 reg[base].I = address - offset; | |
4144 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4145 if (dest == 15) | |
4146 { | |
4147 clockTicks += 2; | |
4148 reg[15].I &= 0xFFFFFFFC; | |
4149 armNextPC = reg[15].I; | |
4150 reg[15].I += 4; | |
4151 } | |
4152 } | |
4153 break; | |
4154 case 0x612: | |
4155 case 0x61a: | |
4156 // T versions are the same | |
4157 case 0x632: | |
4158 case 0x63a: | |
4159 { | |
4160 // LDR Rd, [Rn], -Rm, LSR # | |
4161 int shift = (opcode >> 7) & 31; | |
4162 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
4163 int dest = (opcode >> 12) & 15; | |
4164 int base = (opcode >> 16) & 15; | |
4165 u32 address = reg[base].I; | |
4166 reg[dest].I = CPUReadMemory(address); | |
4167 if (dest != base) | |
4168 reg[base].I = address - offset; | |
4169 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4170 if (dest == 15) | |
4171 { | |
4172 clockTicks += 2; | |
4173 reg[15].I &= 0xFFFFFFFC; | |
4174 armNextPC = reg[15].I; | |
4175 reg[15].I += 4; | |
4176 } | |
4177 } | |
4178 break; | |
4179 case 0x614: | |
4180 case 0x61c: | |
4181 // T versions are the same | |
4182 case 0x634: | |
4183 case 0x63c: | |
4184 { | |
4185 // LDR Rd, [Rn], -Rm, ASR # | |
4186 int shift = (opcode >> 7) & 31; | |
4187 int offset; | |
4188 if (shift) | |
4189 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
4190 else if (reg[opcode & 15].I & 0x80000000) | |
4191 offset = 0xFFFFFFFF; | |
4192 else | |
4193 offset = 0; | |
4194 int dest = (opcode >> 12) & 15; | |
4195 int base = (opcode >> 16) & 15; | |
4196 u32 address = reg[base].I; | |
4197 reg[dest].I = CPUReadMemory(address); | |
4198 if (dest != base) | |
4199 reg[base].I = address - offset; | |
4200 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4201 if (dest == 15) | |
4202 { | |
4203 clockTicks += 2; | |
4204 reg[15].I &= 0xFFFFFFFC; | |
4205 armNextPC = reg[15].I; | |
4206 reg[15].I += 4; | |
4207 } | |
4208 } | |
4209 break; | |
4210 case 0x616: | |
4211 case 0x61e: | |
4212 // T versions are the same | |
4213 case 0x636: | |
4214 case 0x63e: | |
4215 { | |
4216 // LDR Rd, [Rn], -Rm, ROR # | |
4217 int shift = (opcode >> 7) & 31; | |
4218 u32 value = reg[opcode & 15].I; | |
4219 if (shift) | |
4220 { | |
4221 ROR_VALUE; | |
4222 } | |
4223 else | |
4224 { | |
4225 RCR_VALUE; | |
4226 } | |
4227 int dest = (opcode >> 12) & 15; | |
4228 int base = (opcode >> 16) & 15; | |
4229 u32 address = reg[base].I; | |
4230 reg[dest].I = CPUReadMemory(address); | |
4231 if (dest != base) | |
4232 reg[base].I = address - value; | |
4233 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4234 if (dest == 15) | |
4235 { | |
4236 clockTicks += 2; | |
4237 reg[15].I &= 0xFFFFFFFC; | |
4238 armNextPC = reg[15].I; | |
4239 reg[15].I += 4; | |
4240 } | |
4241 } | |
4242 break; | |
4243 case 0x690: | |
4244 case 0x698: | |
4245 // T versions are the same | |
4246 case 0x6b0: | |
4247 case 0x6b8: | |
4248 { | |
4249 // LDR Rd, [Rn], Rm, LSL # | |
4250 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
4251 int dest = (opcode >> 12) & 15; | |
4252 int base = (opcode >> 16) & 15; | |
4253 u32 address = reg[base].I; | |
4254 reg[dest].I = CPUReadMemory(address); | |
4255 if (dest != base) | |
4256 reg[base].I = address + offset; | |
4257 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4258 if (dest == 15) | |
4259 { | |
4260 clockTicks += 2; | |
4261 reg[15].I &= 0xFFFFFFFC; | |
4262 armNextPC = reg[15].I; | |
4263 reg[15].I += 4; | |
4264 } | |
4265 } | |
4266 break; | |
4267 case 0x692: | |
4268 case 0x69a: | |
4269 // T versions are the same | |
4270 case 0x6b2: | |
4271 case 0x6ba: | |
4272 { | |
4273 // LDR Rd, [Rn], Rm, LSR # | |
4274 int shift = (opcode >> 7) & 31; | |
4275 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
4276 int dest = (opcode >> 12) & 15; | |
4277 int base = (opcode >> 16) & 15; | |
4278 u32 address = reg[base].I; | |
4279 reg[dest].I = CPUReadMemory(address); | |
4280 if (dest != base) | |
4281 reg[base].I = address + offset; | |
4282 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4283 if (dest == 15) | |
4284 { | |
4285 clockTicks += 2; | |
4286 reg[15].I &= 0xFFFFFFFC; | |
4287 armNextPC = reg[15].I; | |
4288 reg[15].I += 4; | |
4289 } | |
4290 } | |
4291 break; | |
4292 case 0x694: | |
4293 case 0x69c: | |
4294 // T versions are the same | |
4295 case 0x6b4: | |
4296 case 0x6bc: | |
4297 { | |
4298 // LDR Rd, [Rn], Rm, ASR # | |
4299 int shift = (opcode >> 7) & 31; | |
4300 int offset; | |
4301 if (shift) | |
4302 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
4303 else if (reg[opcode & 15].I & 0x80000000) | |
4304 offset = 0xFFFFFFFF; | |
4305 else | |
4306 offset = 0; | |
4307 int dest = (opcode >> 12) & 15; | |
4308 int base = (opcode >> 16) & 15; | |
4309 u32 address = reg[base].I; | |
4310 reg[dest].I = CPUReadMemory(address); | |
4311 if (dest != base) | |
4312 reg[base].I = address + offset; | |
4313 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4314 if (dest == 15) | |
4315 { | |
4316 clockTicks += 2; | |
4317 reg[15].I &= 0xFFFFFFFC; | |
4318 armNextPC = reg[15].I; | |
4319 reg[15].I += 4; | |
4320 } | |
4321 } | |
4322 break; | |
4323 case 0x696: | |
4324 case 0x69e: | |
4325 // T versions are the same | |
4326 case 0x6b6: | |
4327 case 0x6be: | |
4328 { | |
4329 // LDR Rd, [Rn], Rm, ROR # | |
4330 int shift = (opcode >> 7) & 31; | |
4331 u32 value = reg[opcode & 15].I; | |
4332 if (shift) | |
4333 { | |
4334 ROR_VALUE; | |
4335 } | |
4336 else | |
4337 { | |
4338 RCR_VALUE; | |
4339 } | |
4340 int dest = (opcode >> 12) & 15; | |
4341 int base = (opcode >> 16) & 15; | |
4342 u32 address = reg[base].I; | |
4343 reg[dest].I = CPUReadMemory(address); | |
4344 if (dest != base) | |
4345 reg[base].I = address + value; | |
4346 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4347 if (dest == 15) | |
4348 { | |
4349 clockTicks += 2; | |
4350 reg[15].I &= 0xFFFFFFFC; | |
4351 armNextPC = reg[15].I; | |
4352 reg[15].I += 4; | |
4353 } | |
4354 } | |
4355 break; | |
4356 case 0x710: | |
4357 case 0x718: | |
4358 { | |
4359 // LDR Rd, [Rn, -Rm, LSL #] | |
4360 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
4361 int dest = (opcode >> 12) & 15; | |
4362 int base = (opcode >> 16) & 15; | |
4363 u32 address = reg[base].I - offset; | |
4364 reg[dest].I = CPUReadMemory(address); | |
4365 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4366 if (dest == 15) | |
4367 { | |
4368 clockTicks += 2; | |
4369 reg[15].I &= 0xFFFFFFFC; | |
4370 armNextPC = reg[15].I; | |
4371 reg[15].I += 4; | |
4372 } | |
4373 } | |
4374 break; | |
4375 case 0x712: | |
4376 case 0x71a: | |
4377 { | |
4378 // LDR Rd, [Rn, -Rm, LSR #] | |
4379 int shift = (opcode >> 7) & 31; | |
4380 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
4381 int dest = (opcode >> 12) & 15; | |
4382 int base = (opcode >> 16) & 15; | |
4383 u32 address = reg[base].I - offset; | |
4384 reg[dest].I = CPUReadMemory(address); | |
4385 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4386 if (dest == 15) | |
4387 { | |
4388 clockTicks += 2; | |
4389 reg[15].I &= 0xFFFFFFFC; | |
4390 armNextPC = reg[15].I; | |
4391 reg[15].I += 4; | |
4392 } | |
4393 } | |
4394 break; | |
4395 case 0x714: | |
4396 case 0x71c: | |
4397 { | |
4398 // LDR Rd, [Rn, -Rm, ASR #] | |
4399 int shift = (opcode >> 7) & 31; | |
4400 int offset; | |
4401 if (shift) | |
4402 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
4403 else if (reg[opcode & 15].I & 0x80000000) | |
4404 offset = 0xFFFFFFFF; | |
4405 else | |
4406 offset = 0; | |
4407 int dest = (opcode >> 12) & 15; | |
4408 int base = (opcode >> 16) & 15; | |
4409 u32 address = reg[base].I - offset; | |
4410 reg[dest].I = CPUReadMemory(address); | |
4411 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4412 if (dest == 15) | |
4413 { | |
4414 clockTicks += 2; | |
4415 reg[15].I &= 0xFFFFFFFC; | |
4416 armNextPC = reg[15].I; | |
4417 reg[15].I += 4; | |
4418 } | |
4419 } | |
4420 break; | |
4421 case 0x716: | |
4422 case 0x71e: | |
4423 { | |
4424 // LDR Rd, [Rn, -Rm, ROR #] | |
4425 int shift = (opcode >> 7) & 31; | |
4426 u32 value = reg[opcode & 15].I; | |
4427 if (shift) | |
4428 { | |
4429 ROR_VALUE; | |
4430 } | |
4431 else | |
4432 { | |
4433 RCR_VALUE; | |
4434 } | |
4435 int dest = (opcode >> 12) & 15; | |
4436 int base = (opcode >> 16) & 15; | |
4437 u32 address = reg[base].I - value; | |
4438 reg[dest].I = CPUReadMemory(address); | |
4439 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4440 if (dest == 15) | |
4441 { | |
4442 clockTicks += 2; | |
4443 reg[15].I &= 0xFFFFFFFC; | |
4444 armNextPC = reg[15].I; | |
4445 reg[15].I += 4; | |
4446 } | |
4447 } | |
4448 break; | |
4449 case 0x730: | |
4450 case 0x738: | |
4451 { | |
4452 // LDR Rd, [Rn, -Rm, LSL #]! | |
4453 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
4454 int dest = (opcode >> 12) & 15; | |
4455 int base = (opcode >> 16) & 15; | |
4456 u32 address = reg[base].I - offset; | |
4457 reg[dest].I = CPUReadMemory(address); | |
4458 if (dest != base) | |
4459 reg[base].I = address; | |
4460 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4461 if (dest == 15) | |
4462 { | |
4463 clockTicks += 2; | |
4464 reg[15].I &= 0xFFFFFFFC; | |
4465 armNextPC = reg[15].I; | |
4466 reg[15].I += 4; | |
4467 } | |
4468 } | |
4469 break; | |
4470 case 0x732: | |
4471 case 0x73a: | |
4472 { | |
4473 // LDR Rd, [Rn, -Rm, LSR #]! | |
4474 int shift = (opcode >> 7) & 31; | |
4475 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
4476 int dest = (opcode >> 12) & 15; | |
4477 int base = (opcode >> 16) & 15; | |
4478 u32 address = reg[base].I - offset; | |
4479 reg[dest].I = CPUReadMemory(address); | |
4480 if (dest != base) | |
4481 reg[base].I = address; | |
4482 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4483 if (dest == 15) | |
4484 { | |
4485 clockTicks += 2; | |
4486 reg[15].I &= 0xFFFFFFFC; | |
4487 armNextPC = reg[15].I; | |
4488 reg[15].I += 4; | |
4489 } | |
4490 } | |
4491 break; | |
4492 case 0x734: | |
4493 case 0x73c: | |
4494 { | |
4495 // LDR Rd, [Rn, -Rm, ASR #]! | |
4496 int shift = (opcode >> 7) & 31; | |
4497 int offset; | |
4498 if (shift) | |
4499 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
4500 else if (reg[opcode & 15].I & 0x80000000) | |
4501 offset = 0xFFFFFFFF; | |
4502 else | |
4503 offset = 0; | |
4504 int dest = (opcode >> 12) & 15; | |
4505 int base = (opcode >> 16) & 15; | |
4506 u32 address = reg[base].I - offset; | |
4507 reg[dest].I = CPUReadMemory(address); | |
4508 if (dest != base) | |
4509 reg[base].I = address; | |
4510 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4511 if (dest == 15) | |
4512 { | |
4513 clockTicks += 2; | |
4514 reg[15].I &= 0xFFFFFFFC; | |
4515 armNextPC = reg[15].I; | |
4516 reg[15].I += 4; | |
4517 } | |
4518 } | |
4519 break; | |
4520 case 0x736: | |
4521 case 0x73e: | |
4522 { | |
4523 // LDR Rd, [Rn, -Rm, ROR #]! | |
4524 int shift = (opcode >> 7) & 31; | |
4525 u32 value = reg[opcode & 15].I; | |
4526 if (shift) | |
4527 { | |
4528 ROR_VALUE; | |
4529 } | |
4530 else | |
4531 { | |
4532 RCR_VALUE; | |
4533 } | |
4534 int dest = (opcode >> 12) & 15; | |
4535 int base = (opcode >> 16) & 15; | |
4536 u32 address = reg[base].I - value; | |
4537 reg[dest].I = CPUReadMemory(address); | |
4538 if (dest != base) | |
4539 reg[base].I = address; | |
4540 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4541 if (dest == 15) | |
4542 { | |
4543 clockTicks += 2; | |
4544 reg[15].I &= 0xFFFFFFFC; | |
4545 armNextPC = reg[15].I; | |
4546 reg[15].I += 4; | |
4547 } | |
4548 } | |
4549 break; | |
4550 case 0x790: | |
4551 case 0x798: | |
4552 { | |
4553 // LDR Rd, [Rn, Rm, LSL #] | |
4554 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
4555 int dest = (opcode >> 12) & 15; | |
4556 int base = (opcode >> 16) & 15; | |
4557 u32 address = reg[base].I + offset; | |
4558 reg[dest].I = CPUReadMemory(address); | |
4559 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4560 if (dest == 15) | |
4561 { | |
4562 clockTicks += 2; | |
4563 reg[15].I &= 0xFFFFFFFC; | |
4564 armNextPC = reg[15].I; | |
4565 reg[15].I += 4; | |
4566 } | |
4567 } | |
4568 break; | |
4569 case 0x792: | |
4570 case 0x79a: | |
4571 { | |
4572 // LDR Rd, [Rn, Rm, LSR #] | |
4573 int shift = (opcode >> 7) & 31; | |
4574 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
4575 int dest = (opcode >> 12) & 15; | |
4576 int base = (opcode >> 16) & 15; | |
4577 u32 address = reg[base].I + offset; | |
4578 reg[dest].I = CPUReadMemory(address); | |
4579 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4580 if (dest == 15) | |
4581 { | |
4582 clockTicks += 2; | |
4583 reg[15].I &= 0xFFFFFFFC; | |
4584 armNextPC = reg[15].I; | |
4585 reg[15].I += 4; | |
4586 } | |
4587 } | |
4588 break; | |
4589 case 0x794: | |
4590 case 0x79c: | |
4591 { | |
4592 // LDR Rd, [Rn, Rm, ASR #] | |
4593 int shift = (opcode >> 7) & 31; | |
4594 int offset; | |
4595 if (shift) | |
4596 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
4597 else if (reg[opcode & 15].I & 0x80000000) | |
4598 offset = 0xFFFFFFFF; | |
4599 else | |
4600 offset = 0; | |
4601 int dest = (opcode >> 12) & 15; | |
4602 int base = (opcode >> 16) & 15; | |
4603 u32 address = reg[base].I + offset; | |
4604 reg[dest].I = CPUReadMemory(address); | |
4605 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4606 if (dest == 15) | |
4607 { | |
4608 clockTicks += 2; | |
4609 reg[15].I &= 0xFFFFFFFC; | |
4610 armNextPC = reg[15].I; | |
4611 reg[15].I += 4; | |
4612 } | |
4613 } | |
4614 break; | |
4615 case 0x796: | |
4616 case 0x79e: | |
4617 { | |
4618 // LDR Rd, [Rn, Rm, ROR #] | |
4619 int shift = (opcode >> 7) & 31; | |
4620 u32 value = reg[opcode & 15].I; | |
4621 if (shift) | |
4622 { | |
4623 ROR_VALUE; | |
4624 } | |
4625 else | |
4626 { | |
4627 RCR_VALUE; | |
4628 } | |
4629 int dest = (opcode >> 12) & 15; | |
4630 int base = (opcode >> 16) & 15; | |
4631 u32 address = reg[base].I + value; | |
4632 reg[dest].I = CPUReadMemory(address); | |
4633 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4634 if (dest == 15) | |
4635 { | |
4636 clockTicks += 2; | |
4637 reg[15].I &= 0xFFFFFFFC; | |
4638 armNextPC = reg[15].I; | |
4639 reg[15].I += 4; | |
4640 } | |
4641 } | |
4642 break; | |
4643 case 0x7b0: | |
4644 case 0x7b8: | |
4645 { | |
4646 // LDR Rd, [Rn, Rm, LSL #]! | |
4647 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
4648 int dest = (opcode >> 12) & 15; | |
4649 int base = (opcode >> 16) & 15; | |
4650 u32 address = reg[base].I + offset; | |
4651 reg[dest].I = CPUReadMemory(address); | |
4652 if (dest != base) | |
4653 reg[base].I = address; | |
4654 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4655 if (dest == 15) | |
4656 { | |
4657 clockTicks += 2; | |
4658 reg[15].I &= 0xFFFFFFFC; | |
4659 armNextPC = reg[15].I; | |
4660 reg[15].I += 4; | |
4661 } | |
4662 } | |
4663 break; | |
4664 case 0x7b2: | |
4665 case 0x7ba: | |
4666 { | |
4667 // LDR Rd, [Rn, Rm, LSR #]! | |
4668 int shift = (opcode >> 7) & 31; | |
4669 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
4670 int dest = (opcode >> 12) & 15; | |
4671 int base = (opcode >> 16) & 15; | |
4672 u32 address = reg[base].I + offset; | |
4673 reg[dest].I = CPUReadMemory(address); | |
4674 if (dest != base) | |
4675 reg[base].I = address; | |
4676 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4677 if (dest == 15) | |
4678 { | |
4679 clockTicks += 2; | |
4680 reg[15].I &= 0xFFFFFFFC; | |
4681 armNextPC = reg[15].I; | |
4682 reg[15].I += 4; | |
4683 } | |
4684 } | |
4685 break; | |
4686 case 0x7b4: | |
4687 case 0x7bc: | |
4688 { | |
4689 // LDR Rd, [Rn, Rm, ASR #]! | |
4690 int shift = (opcode >> 7) & 31; | |
4691 int offset; | |
4692 if (shift) | |
4693 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
4694 else if (reg[opcode & 15].I & 0x80000000) | |
4695 offset = 0xFFFFFFFF; | |
4696 else | |
4697 offset = 0; | |
4698 int dest = (opcode >> 12) & 15; | |
4699 int base = (opcode >> 16) & 15; | |
4700 u32 address = reg[base].I + offset; | |
4701 reg[dest].I = CPUReadMemory(address); | |
4702 if (dest != base) | |
4703 reg[base].I = address; | |
4704 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4705 if (dest == 15) | |
4706 { | |
4707 clockTicks += 2; | |
4708 reg[15].I &= 0xFFFFFFFC; | |
4709 armNextPC = reg[15].I; | |
4710 reg[15].I += 4; | |
4711 } | |
4712 } | |
4713 break; | |
4714 case 0x7b6: | |
4715 case 0x7be: | |
4716 { | |
4717 // LDR Rd, [Rn, Rm, ROR #]! | |
4718 int shift = (opcode >> 7) & 31; | |
4719 u32 value = reg[opcode & 15].I; | |
4720 if (shift) | |
4721 { | |
4722 ROR_VALUE; | |
4723 } | |
4724 else | |
4725 { | |
4726 RCR_VALUE; | |
4727 } | |
4728 int dest = (opcode >> 12) & 15; | |
4729 int base = (opcode >> 16) & 15; | |
4730 u32 address = reg[base].I + value; | |
4731 reg[dest].I = CPUReadMemory(address); | |
4732 if (dest != base) | |
4733 reg[base].I = address; | |
4734 clockTicks += 3 + CPUUpdateTicksAccess32(address); | |
4735 if (dest == 15) | |
4736 { | |
4737 clockTicks += 2; | |
4738 reg[15].I &= 0xFFFFFFFC; | |
4739 armNextPC = reg[15].I; | |
4740 reg[15].I += 4; | |
4741 } | |
4742 } | |
4743 break; | |
4744 case 0x640: | |
4745 case 0x648: | |
4746 // T versions are the same | |
4747 case 0x660: | |
4748 case 0x668: | |
4749 { | |
4750 // STRB Rd, [Rn], -Rm, LSL # | |
4751 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
4752 int dest = (opcode >> 12) & 15; | |
4753 int base = (opcode >> 16) & 15; | |
4754 u32 address = reg[base].I; | |
4755 CPUWriteByte(address, reg[dest].B.B0); | |
4756 reg[base].I = address - offset; | |
4757 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
4758 } | |
4759 break; | |
4760 case 0x642: | |
4761 case 0x64a: | |
4762 // T versions are the same | |
4763 case 0x662: | |
4764 case 0x66a: | |
4765 { | |
4766 // STRB Rd, [Rn], -Rm, LSR # | |
4767 int shift = (opcode >> 7) & 31; | |
4768 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
4769 int dest = (opcode >> 12) & 15; | |
4770 int base = (opcode >> 16) & 15; | |
4771 u32 address = reg[base].I; | |
4772 CPUWriteByte(address, reg[dest].B.B0); | |
4773 reg[base].I = address - offset; | |
4774 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
4775 } | |
4776 break; | |
4777 case 0x644: | |
4778 case 0x64c: | |
4779 // T versions are the same | |
4780 case 0x664: | |
4781 case 0x66c: | |
4782 { | |
4783 // STRB Rd, [Rn], -Rm, ASR # | |
4784 int shift = (opcode >> 7) & 31; | |
4785 int offset; | |
4786 if (shift) | |
4787 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
4788 else if (reg[opcode & 15].I & 0x80000000) | |
4789 offset = 0xFFFFFFFF; | |
4790 else | |
4791 offset = 0; | |
4792 int dest = (opcode >> 12) & 15; | |
4793 int base = (opcode >> 16) & 15; | |
4794 u32 address = reg[base].I; | |
4795 CPUWriteByte(address, reg[dest].B.B0); | |
4796 reg[base].I = address - offset; | |
4797 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
4798 } | |
4799 break; | |
4800 case 0x646: | |
4801 case 0x64e: | |
4802 // T versions are the same | |
4803 case 0x666: | |
4804 case 0x66e: | |
4805 { | |
4806 // STRB Rd, [Rn], -Rm, ROR # | |
4807 int shift = (opcode >> 7) & 31; | |
4808 u32 value = reg[opcode & 15].I; | |
4809 if (shift) | |
4810 { | |
4811 ROR_VALUE; | |
4812 } | |
4813 else | |
4814 { | |
4815 RCR_VALUE; | |
4816 } | |
4817 int dest = (opcode >> 12) & 15; | |
4818 int base = (opcode >> 16) & 15; | |
4819 u32 address = reg[base].I; | |
4820 CPUWriteByte(address, reg[dest].B.B0); | |
4821 reg[base].I = address - value; | |
4822 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
4823 } | |
4824 break; | |
4825 case 0x6c0: | |
4826 case 0x6c8: | |
4827 // T versions are the same | |
4828 case 0x6e0: | |
4829 case 0x6e8: | |
4830 { | |
4831 // STRB Rd, [Rn], Rm, LSL # | |
4832 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
4833 int dest = (opcode >> 12) & 15; | |
4834 int base = (opcode >> 16) & 15; | |
4835 u32 address = reg[base].I; | |
4836 CPUWriteByte(address, reg[dest].B.B0); | |
4837 reg[base].I = address + offset; | |
4838 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
4839 } | |
4840 break; | |
4841 case 0x6c2: | |
4842 case 0x6ca: | |
4843 // T versions are the same | |
4844 case 0x6e2: | |
4845 case 0x6ea: | |
4846 { | |
4847 // STRB Rd, [Rn], Rm, LSR # | |
4848 int shift = (opcode >> 7) & 31; | |
4849 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
4850 int dest = (opcode >> 12) & 15; | |
4851 int base = (opcode >> 16) & 15; | |
4852 u32 address = reg[base].I; | |
4853 CPUWriteByte(address, reg[dest].B.B0); | |
4854 reg[base].I = address + offset; | |
4855 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
4856 } | |
4857 break; | |
4858 case 0x6c4: | |
4859 case 0x6cc: | |
4860 // T versions are the same | |
4861 case 0x6e4: | |
4862 case 0x6ec: | |
4863 { | |
4864 // STR Rd, [Rn], Rm, ASR # | |
4865 int shift = (opcode >> 7) & 31; | |
4866 int offset; | |
4867 if (shift) | |
4868 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
4869 else if (reg[opcode & 15].I & 0x80000000) | |
4870 offset = 0xFFFFFFFF; | |
4871 else | |
4872 offset = 0; | |
4873 int dest = (opcode >> 12) & 15; | |
4874 int base = (opcode >> 16) & 15; | |
4875 u32 address = reg[base].I; | |
4876 CPUWriteByte(address, reg[dest].B.B0); | |
4877 reg[base].I = address + offset; | |
4878 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
4879 } | |
4880 break; | |
4881 case 0x6c6: | |
4882 case 0x6ce: | |
4883 // T versions are the same | |
4884 case 0x6e6: | |
4885 case 0x6ee: | |
4886 { | |
4887 // STRB Rd, [Rn], Rm, ROR # | |
4888 int shift = (opcode >> 7) & 31; | |
4889 u32 value = reg[opcode & 15].I; | |
4890 if (shift) | |
4891 { | |
4892 ROR_VALUE; | |
4893 } | |
4894 else | |
4895 { | |
4896 RCR_VALUE; | |
4897 } | |
4898 int dest = (opcode >> 12) & 15; | |
4899 int base = (opcode >> 16) & 15; | |
4900 u32 address = reg[base].I; | |
4901 CPUWriteByte(address, reg[dest].B.B0); | |
4902 reg[base].I = address + value; | |
4903 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
4904 } | |
4905 break; | |
4906 case 0x740: | |
4907 case 0x748: | |
4908 { | |
4909 // STRB Rd, [Rn, -Rm, LSL #] | |
4910 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
4911 int dest = (opcode >> 12) & 15; | |
4912 int base = (opcode >> 16) & 15; | |
4913 u32 address = reg[base].I - offset; | |
4914 CPUWriteByte(address, reg[dest].B.B0); | |
4915 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
4916 } | |
4917 break; | |
4918 case 0x742: | |
4919 case 0x74a: | |
4920 { | |
4921 // STRB Rd, [Rn, -Rm, LSR #] | |
4922 int shift = (opcode >> 7) & 31; | |
4923 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
4924 int dest = (opcode >> 12) & 15; | |
4925 int base = (opcode >> 16) & 15; | |
4926 u32 address = reg[base].I - offset; | |
4927 CPUWriteByte(address, reg[dest].B.B0); | |
4928 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
4929 } | |
4930 break; | |
4931 case 0x744: | |
4932 case 0x74c: | |
4933 { | |
4934 // STRB Rd, [Rn, -Rm, ASR #] | |
4935 int shift = (opcode >> 7) & 31; | |
4936 int offset; | |
4937 if (shift) | |
4938 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
4939 else if (reg[opcode & 15].I & 0x80000000) | |
4940 offset = 0xFFFFFFFF; | |
4941 else | |
4942 offset = 0; | |
4943 int dest = (opcode >> 12) & 15; | |
4944 int base = (opcode >> 16) & 15; | |
4945 u32 address = reg[base].I - offset; | |
4946 CPUWriteByte(address, reg[dest].B.B0); | |
4947 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
4948 } | |
4949 break; | |
4950 case 0x746: | |
4951 case 0x74e: | |
4952 { | |
4953 // STRB Rd, [Rn, -Rm, ROR #] | |
4954 int shift = (opcode >> 7) & 31; | |
4955 u32 value = reg[opcode & 15].I; | |
4956 if (shift) | |
4957 { | |
4958 ROR_VALUE; | |
4959 } | |
4960 else | |
4961 { | |
4962 RCR_VALUE; | |
4963 } | |
4964 int dest = (opcode >> 12) & 15; | |
4965 int base = (opcode >> 16) & 15; | |
4966 u32 address = reg[base].I - value; | |
4967 CPUWriteByte(address, reg[dest].B.B0); | |
4968 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
4969 } | |
4970 break; | |
4971 case 0x760: | |
4972 case 0x768: | |
4973 { | |
4974 // STRB Rd, [Rn, -Rm, LSL #]! | |
4975 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
4976 int dest = (opcode >> 12) & 15; | |
4977 int base = (opcode >> 16) & 15; | |
4978 u32 address = reg[base].I - offset; | |
4979 reg[base].I = address; | |
4980 CPUWriteByte(address, reg[dest].B.B0); | |
4981 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
4982 } | |
4983 break; | |
4984 case 0x762: | |
4985 case 0x76a: | |
4986 { | |
4987 // STRB Rd, [Rn, -Rm, LSR #]! | |
4988 int shift = (opcode >> 7) & 31; | |
4989 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
4990 int dest = (opcode >> 12) & 15; | |
4991 int base = (opcode >> 16) & 15; | |
4992 u32 address = reg[base].I - offset; | |
4993 reg[base].I = address; | |
4994 CPUWriteByte(address, reg[dest].B.B0); | |
4995 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
4996 } | |
4997 break; | |
4998 case 0x764: | |
4999 case 0x76c: | |
5000 { | |
5001 // STRB Rd, [Rn, -Rm, ASR #]! | |
5002 int shift = (opcode >> 7) & 31; | |
5003 int offset; | |
5004 if (shift) | |
5005 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
5006 else if (reg[opcode & 15].I & 0x80000000) | |
5007 offset = 0xFFFFFFFF; | |
5008 else | |
5009 offset = 0; | |
5010 int dest = (opcode >> 12) & 15; | |
5011 int base = (opcode >> 16) & 15; | |
5012 u32 address = reg[base].I - offset; | |
5013 reg[base].I = address; | |
5014 CPUWriteByte(address, reg[dest].B.B0); | |
5015 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
5016 } | |
5017 break; | |
5018 case 0x766: | |
5019 case 0x76e: | |
5020 { | |
5021 // STRB Rd, [Rn, -Rm, ROR #]! | |
5022 int shift = (opcode >> 7) & 31; | |
5023 u32 value = reg[opcode & 15].I; | |
5024 if (shift) | |
5025 { | |
5026 ROR_VALUE; | |
5027 } | |
5028 else | |
5029 { | |
5030 RCR_VALUE; | |
5031 } | |
5032 int dest = (opcode >> 12) & 15; | |
5033 int base = (opcode >> 16) & 15; | |
5034 u32 address = reg[base].I - value; | |
5035 reg[base].I = address; | |
5036 CPUWriteByte(address, reg[dest].B.B0); | |
5037 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
5038 } | |
5039 break; | |
5040 case 0x7c0: | |
5041 case 0x7c8: | |
5042 { | |
5043 // STRB Rd, [Rn, Rm, LSL #] | |
5044 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
5045 int dest = (opcode >> 12) & 15; | |
5046 int base = (opcode >> 16) & 15; | |
5047 u32 address = reg[base].I + offset; | |
5048 CPUWriteByte(address, reg[dest].B.B0); | |
5049 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
5050 } | |
5051 break; | |
5052 case 0x7c2: | |
5053 case 0x7ca: | |
5054 { | |
5055 // STRB Rd, [Rn, Rm, LSR #] | |
5056 int shift = (opcode >> 7) & 31; | |
5057 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
5058 int dest = (opcode >> 12) & 15; | |
5059 int base = (opcode >> 16) & 15; | |
5060 u32 address = reg[base].I + offset; | |
5061 CPUWriteByte(address, reg[dest].B.B0); | |
5062 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
5063 } | |
5064 break; | |
5065 case 0x7c4: | |
5066 case 0x7cc: | |
5067 { | |
5068 // STRB Rd, [Rn, Rm, ASR #] | |
5069 int shift = (opcode >> 7) & 31; | |
5070 int offset; | |
5071 if (shift) | |
5072 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
5073 else if (reg[opcode & 15].I & 0x80000000) | |
5074 offset = 0xFFFFFFFF; | |
5075 else | |
5076 offset = 0; | |
5077 int dest = (opcode >> 12) & 15; | |
5078 int base = (opcode >> 16) & 15; | |
5079 u32 address = reg[base].I + offset; | |
5080 CPUWriteByte(address, reg[dest].B.B0); | |
5081 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
5082 } | |
5083 break; | |
5084 case 0x7c6: | |
5085 case 0x7ce: | |
5086 { | |
5087 // STRB Rd, [Rn, Rm, ROR #] | |
5088 int shift = (opcode >> 7) & 31; | |
5089 u32 value = reg[opcode & 15].I; | |
5090 if (shift) | |
5091 { | |
5092 ROR_VALUE; | |
5093 } | |
5094 else | |
5095 { | |
5096 RCR_VALUE; | |
5097 } | |
5098 int dest = (opcode >> 12) & 15; | |
5099 int base = (opcode >> 16) & 15; | |
5100 u32 address = reg[base].I + value; | |
5101 CPUWriteByte(address, reg[dest].B.B0); | |
5102 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
5103 } | |
5104 break; | |
5105 case 0x7e0: | |
5106 case 0x7e8: | |
5107 { | |
5108 // STRB Rd, [Rn, Rm, LSL #]! | |
5109 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
5110 int dest = (opcode >> 12) & 15; | |
5111 int base = (opcode >> 16) & 15; | |
5112 u32 address = reg[base].I + offset; | |
5113 reg[base].I = address; | |
5114 CPUWriteByte(address, reg[dest].B.B0); | |
5115 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
5116 } | |
5117 break; | |
5118 case 0x7e2: | |
5119 case 0x7ea: | |
5120 { | |
5121 // STRB Rd, [Rn, Rm, LSR #]! | |
5122 int shift = (opcode >> 7) & 31; | |
5123 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
5124 int dest = (opcode >> 12) & 15; | |
5125 int base = (opcode >> 16) & 15; | |
5126 u32 address = reg[base].I + offset; | |
5127 reg[base].I = address; | |
5128 CPUWriteByte(address, reg[dest].B.B0); | |
5129 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
5130 } | |
5131 break; | |
5132 case 0x7e4: | |
5133 case 0x7ec: | |
5134 { | |
5135 // STRB Rd, [Rn, Rm, ASR #]! | |
5136 int shift = (opcode >> 7) & 31; | |
5137 int offset; | |
5138 if (shift) | |
5139 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
5140 else if (reg[opcode & 15].I & 0x80000000) | |
5141 offset = 0xFFFFFFFF; | |
5142 else | |
5143 offset = 0; | |
5144 int dest = (opcode >> 12) & 15; | |
5145 int base = (opcode >> 16) & 15; | |
5146 u32 address = reg[base].I + offset; | |
5147 reg[base].I = address; | |
5148 CPUWriteByte(address, reg[dest].B.B0); | |
5149 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
5150 } | |
5151 break; | |
5152 case 0x7e6: | |
5153 case 0x7ee: | |
5154 { | |
5155 // STRB Rd, [Rn, Rm, ROR #]! | |
5156 int shift = (opcode >> 7) & 31; | |
5157 u32 value = reg[opcode & 15].I; | |
5158 if (shift) | |
5159 { | |
5160 ROR_VALUE; | |
5161 } | |
5162 else | |
5163 { | |
5164 RCR_VALUE; | |
5165 } | |
5166 int dest = (opcode >> 12) & 15; | |
5167 int base = (opcode >> 16) & 15; | |
5168 u32 address = reg[base].I + value; | |
5169 reg[base].I = address; | |
5170 CPUWriteByte(address, reg[dest].B.B0); | |
5171 clockTicks += 2 + CPUUpdateTicksAccess16(address); | |
5172 } | |
5173 break; | |
5174 case 0x650: | |
5175 case 0x658: | |
5176 // T versions are the same | |
5177 case 0x670: | |
5178 case 0x678: | |
5179 { | |
5180 // LDRB Rd, [Rn], -Rm, LSL # | |
5181 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
5182 int dest = (opcode >> 12) & 15; | |
5183 int base = (opcode >> 16) & 15; | |
5184 u32 address = reg[base].I; | |
5185 reg[dest].I = CPUReadByte(address); | |
5186 if (dest != base) | |
5187 reg[base].I = address - offset; | |
5188 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5189 } | |
5190 break; | |
5191 case 0x652: | |
5192 case 0x65a: | |
5193 // T versions are the same | |
5194 case 0x672: | |
5195 case 0x67a: | |
5196 { | |
5197 // LDRB Rd, [Rn], -Rm, LSR # | |
5198 int shift = (opcode >> 7) & 31; | |
5199 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
5200 int dest = (opcode >> 12) & 15; | |
5201 int base = (opcode >> 16) & 15; | |
5202 u32 address = reg[base].I; | |
5203 reg[dest].I = CPUReadByte(address); | |
5204 if (dest != base) | |
5205 reg[base].I = address - offset; | |
5206 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5207 } | |
5208 break; | |
5209 case 0x654: | |
5210 case 0x65c: | |
5211 // T versions are the same | |
5212 case 0x674: | |
5213 case 0x67c: | |
5214 { | |
5215 // LDRB Rd, [Rn], -Rm, ASR # | |
5216 int shift = (opcode >> 7) & 31; | |
5217 int offset; | |
5218 if (shift) | |
5219 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
5220 else if (reg[opcode & 15].I & 0x80000000) | |
5221 offset = 0xFFFFFFFF; | |
5222 else | |
5223 offset = 0; | |
5224 int dest = (opcode >> 12) & 15; | |
5225 int base = (opcode >> 16) & 15; | |
5226 u32 address = reg[base].I; | |
5227 reg[dest].I = CPUReadByte(address); | |
5228 if (dest != base) | |
5229 reg[base].I = address - offset; | |
5230 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5231 } | |
5232 break; | |
5233 case 0x656: | |
5234 case 0x65e: | |
5235 // T versions are the same | |
5236 case 0x676: | |
5237 case 0x67e: | |
5238 { | |
5239 // LDRB Rd, [Rn], -Rm, ROR # | |
5240 int shift = (opcode >> 7) & 31; | |
5241 u32 value = reg[opcode & 15].I; | |
5242 if (shift) | |
5243 { | |
5244 ROR_VALUE; | |
5245 } | |
5246 else | |
5247 { | |
5248 RCR_VALUE; | |
5249 } | |
5250 int dest = (opcode >> 12) & 15; | |
5251 int base = (opcode >> 16) & 15; | |
5252 u32 address = reg[base].I; | |
5253 reg[dest].I = CPUReadByte(address); | |
5254 if (dest != base) | |
5255 reg[base].I = address - value; | |
5256 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5257 } | |
5258 break; | |
5259 case 0x6d0: | |
5260 case 0x6d8: | |
5261 // T versions are the same | |
5262 case 0x6f0: | |
5263 case 0x6f8: | |
5264 { | |
5265 // LDRB Rd, [Rn], Rm, LSL # | |
5266 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
5267 int dest = (opcode >> 12) & 15; | |
5268 int base = (opcode >> 16) & 15; | |
5269 u32 address = reg[base].I; | |
5270 reg[dest].I = CPUReadByte(address); | |
5271 if (dest != base) | |
5272 reg[base].I = address + offset; | |
5273 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5274 } | |
5275 break; | |
5276 case 0x6d2: | |
5277 case 0x6da: | |
5278 // T versions are the same | |
5279 case 0x6f2: | |
5280 case 0x6fa: | |
5281 { | |
5282 // LDRB Rd, [Rn], Rm, LSR # | |
5283 int shift = (opcode >> 7) & 31; | |
5284 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
5285 int dest = (opcode >> 12) & 15; | |
5286 int base = (opcode >> 16) & 15; | |
5287 u32 address = reg[base].I; | |
5288 reg[dest].I = CPUReadByte(address); | |
5289 if (dest != base) | |
5290 reg[base].I = address + offset; | |
5291 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5292 } | |
5293 break; | |
5294 case 0x6d4: | |
5295 case 0x6dc: | |
5296 // T versions are the same | |
5297 case 0x6f4: | |
5298 case 0x6fc: | |
5299 { | |
5300 // LDRB Rd, [Rn], Rm, ASR # | |
5301 int shift = (opcode >> 7) & 31; | |
5302 int offset; | |
5303 if (shift) | |
5304 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
5305 else if (reg[opcode & 15].I & 0x80000000) | |
5306 offset = 0xFFFFFFFF; | |
5307 else | |
5308 offset = 0; | |
5309 int dest = (opcode >> 12) & 15; | |
5310 int base = (opcode >> 16) & 15; | |
5311 u32 address = reg[base].I; | |
5312 reg[dest].I = CPUReadByte(address); | |
5313 if (dest != base) | |
5314 reg[base].I = address + offset; | |
5315 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5316 } | |
5317 break; | |
5318 case 0x6d6: | |
5319 case 0x6de: | |
5320 // T versions are the same | |
5321 case 0x6f6: | |
5322 case 0x6fe: | |
5323 { | |
5324 // LDRB Rd, [Rn], Rm, ROR # | |
5325 int shift = (opcode >> 7) & 31; | |
5326 u32 value = reg[opcode & 15].I; | |
5327 if (shift) | |
5328 { | |
5329 ROR_VALUE; | |
5330 } | |
5331 else | |
5332 { | |
5333 RCR_VALUE; | |
5334 } | |
5335 int dest = (opcode >> 12) & 15; | |
5336 int base = (opcode >> 16) & 15; | |
5337 u32 address = reg[base].I; | |
5338 reg[dest].I = CPUReadByte(address); | |
5339 if (dest != base) | |
5340 reg[base].I = address + value; | |
5341 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5342 } | |
5343 break; | |
5344 case 0x750: | |
5345 case 0x758: | |
5346 { | |
5347 // LDRB Rd, [Rn, -Rm, LSL #] | |
5348 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
5349 int dest = (opcode >> 12) & 15; | |
5350 int base = (opcode >> 16) & 15; | |
5351 u32 address = reg[base].I - offset; | |
5352 reg[dest].I = CPUReadByte(address); | |
5353 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5354 } | |
5355 break; | |
5356 case 0x752: | |
5357 case 0x75a: | |
5358 { | |
5359 // LDRB Rd, [Rn, -Rm, LSR #] | |
5360 int shift = (opcode >> 7) & 31; | |
5361 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
5362 int dest = (opcode >> 12) & 15; | |
5363 int base = (opcode >> 16) & 15; | |
5364 u32 address = reg[base].I - offset; | |
5365 reg[dest].I = CPUReadByte(address); | |
5366 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5367 } | |
5368 break; | |
5369 case 0x754: | |
5370 case 0x75c: | |
5371 { | |
5372 // LDRB Rd, [Rn, -Rm, ASR #] | |
5373 int shift = (opcode >> 7) & 31; | |
5374 int offset; | |
5375 if (shift) | |
5376 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
5377 else if (reg[opcode & 15].I & 0x80000000) | |
5378 offset = 0xFFFFFFFF; | |
5379 else | |
5380 offset = 0; | |
5381 int dest = (opcode >> 12) & 15; | |
5382 int base = (opcode >> 16) & 15; | |
5383 u32 address = reg[base].I - offset; | |
5384 reg[dest].I = CPUReadByte(address); | |
5385 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5386 } | |
5387 break; | |
5388 case 0x756: | |
5389 case 0x75e: | |
5390 { | |
5391 // LDRB Rd, [Rn, -Rm, ROR #] | |
5392 int shift = (opcode >> 7) & 31; | |
5393 u32 value = reg[opcode & 15].I; | |
5394 if (shift) | |
5395 { | |
5396 ROR_VALUE; | |
5397 } | |
5398 else | |
5399 { | |
5400 RCR_VALUE; | |
5401 } | |
5402 int dest = (opcode >> 12) & 15; | |
5403 int base = (opcode >> 16) & 15; | |
5404 u32 address = reg[base].I - value; | |
5405 reg[dest].I = CPUReadByte(address); | |
5406 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5407 } | |
5408 break; | |
5409 case 0x770: | |
5410 case 0x778: | |
5411 { | |
5412 // LDRB Rd, [Rn, -Rm, LSL #]! | |
5413 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
5414 int dest = (opcode >> 12) & 15; | |
5415 int base = (opcode >> 16) & 15; | |
5416 u32 address = reg[base].I - offset; | |
5417 reg[dest].I = CPUReadByte(address); | |
5418 if (dest != base) | |
5419 reg[base].I = address; | |
5420 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5421 } | |
5422 break; | |
5423 case 0x772: | |
5424 case 0x77a: | |
5425 { | |
5426 // LDRB Rd, [Rn, -Rm, LSR #]! | |
5427 int shift = (opcode >> 7) & 31; | |
5428 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
5429 int dest = (opcode >> 12) & 15; | |
5430 int base = (opcode >> 16) & 15; | |
5431 u32 address = reg[base].I - offset; | |
5432 reg[dest].I = CPUReadByte(address); | |
5433 if (dest != base) | |
5434 reg[base].I = address; | |
5435 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5436 } | |
5437 break; | |
5438 case 0x774: | |
5439 case 0x77c: | |
5440 { | |
5441 // LDRB Rd, [Rn, -Rm, ASR #]! | |
5442 int shift = (opcode >> 7) & 31; | |
5443 int offset; | |
5444 if (shift) | |
5445 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
5446 else if (reg[opcode & 15].I & 0x80000000) | |
5447 offset = 0xFFFFFFFF; | |
5448 else | |
5449 offset = 0; | |
5450 int dest = (opcode >> 12) & 15; | |
5451 int base = (opcode >> 16) & 15; | |
5452 u32 address = reg[base].I - offset; | |
5453 reg[dest].I = CPUReadByte(address); | |
5454 if (dest != base) | |
5455 reg[base].I = address; | |
5456 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5457 } | |
5458 break; | |
5459 case 0x776: | |
5460 case 0x77e: | |
5461 { | |
5462 // LDRB Rd, [Rn, -Rm, ROR #]! | |
5463 int shift = (opcode >> 7) & 31; | |
5464 u32 value = reg[opcode & 15].I; | |
5465 if (shift) | |
5466 { | |
5467 ROR_VALUE; | |
5468 } | |
5469 else | |
5470 { | |
5471 RCR_VALUE; | |
5472 } | |
5473 int dest = (opcode >> 12) & 15; | |
5474 int base = (opcode >> 16) & 15; | |
5475 u32 address = reg[base].I - value; | |
5476 reg[dest].I = CPUReadByte(address); | |
5477 if (dest != base) | |
5478 reg[base].I = address; | |
5479 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5480 } | |
5481 break; | |
5482 case 0x7d0: | |
5483 case 0x7d8: | |
5484 { | |
5485 // LDRB Rd, [Rn, Rm, LSL #] | |
5486 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
5487 int dest = (opcode >> 12) & 15; | |
5488 int base = (opcode >> 16) & 15; | |
5489 u32 address = reg[base].I + offset; | |
5490 reg[dest].I = CPUReadByte(address); | |
5491 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5492 } | |
5493 break; | |
5494 case 0x7d2: | |
5495 case 0x7da: | |
5496 { | |
5497 // LDRB Rd, [Rn, Rm, LSR #] | |
5498 int shift = (opcode >> 7) & 31; | |
5499 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
5500 int dest = (opcode >> 12) & 15; | |
5501 int base = (opcode >> 16) & 15; | |
5502 u32 address = reg[base].I + offset; | |
5503 reg[dest].I = CPUReadByte(address); | |
5504 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5505 } | |
5506 break; | |
5507 case 0x7d4: | |
5508 case 0x7dc: | |
5509 { | |
5510 // LDRB Rd, [Rn, Rm, ASR #] | |
5511 int shift = (opcode >> 7) & 31; | |
5512 int offset; | |
5513 if (shift) | |
5514 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
5515 else if (reg[opcode & 15].I & 0x80000000) | |
5516 offset = 0xFFFFFFFF; | |
5517 else | |
5518 offset = 0; | |
5519 int dest = (opcode >> 12) & 15; | |
5520 int base = (opcode >> 16) & 15; | |
5521 u32 address = reg[base].I + offset; | |
5522 reg[dest].I = CPUReadByte(address); | |
5523 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5524 } | |
5525 break; | |
5526 case 0x7d6: | |
5527 case 0x7de: | |
5528 { | |
5529 // LDRB Rd, [Rn, Rm, ROR #] | |
5530 int shift = (opcode >> 7) & 31; | |
5531 u32 value = reg[opcode & 15].I; | |
5532 if (shift) | |
5533 { | |
5534 ROR_VALUE; | |
5535 } | |
5536 else | |
5537 { | |
5538 RCR_VALUE; | |
5539 } | |
5540 int dest = (opcode >> 12) & 15; | |
5541 int base = (opcode >> 16) & 15; | |
5542 u32 address = reg[base].I + value; | |
5543 reg[dest].I = CPUReadByte(address); | |
5544 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5545 } | |
5546 break; | |
5547 case 0x7f0: | |
5548 case 0x7f8: | |
5549 { | |
5550 // LDRB Rd, [Rn, Rm, LSL #]! | |
5551 int offset = reg[opcode & 15].I << ((opcode >> 7) & 31); | |
5552 int dest = (opcode >> 12) & 15; | |
5553 int base = (opcode >> 16) & 15; | |
5554 u32 address = reg[base].I + offset; | |
5555 reg[dest].I = CPUReadByte(address); | |
5556 if (dest != base) | |
5557 reg[base].I = address; | |
5558 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5559 } | |
5560 break; | |
5561 case 0x7f2: | |
5562 case 0x7fa: | |
5563 { | |
5564 // LDRB Rd, [Rn, Rm, LSR #]! | |
5565 int shift = (opcode >> 7) & 31; | |
5566 int offset = shift ? reg[opcode & 15].I >> shift : 0; | |
5567 int dest = (opcode >> 12) & 15; | |
5568 int base = (opcode >> 16) & 15; | |
5569 u32 address = reg[base].I + offset; | |
5570 reg[dest].I = CPUReadByte(address); | |
5571 if (dest != base) | |
5572 reg[base].I = address; | |
5573 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5574 } | |
5575 break; | |
5576 case 0x7f4: | |
5577 case 0x7fc: | |
5578 { | |
5579 // LDRB Rd, [Rn, Rm, ASR #]! | |
5580 int shift = (opcode >> 7) & 31; | |
5581 int offset; | |
5582 if (shift) | |
5583 offset = (int)((s32)reg[opcode & 15].I >> shift); | |
5584 else if (reg[opcode & 15].I & 0x80000000) | |
5585 offset = 0xFFFFFFFF; | |
5586 else | |
5587 offset = 0; | |
5588 int dest = (opcode >> 12) & 15; | |
5589 int base = (opcode >> 16) & 15; | |
5590 u32 address = reg[base].I + offset; | |
5591 reg[dest].I = CPUReadByte(address); | |
5592 if (dest != base) | |
5593 reg[base].I = address; | |
5594 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5595 } | |
5596 break; | |
5597 case 0x7f6: | |
5598 case 0x7fe: | |
5599 { | |
5600 // LDRB Rd, [Rn, Rm, ROR #]! | |
5601 int shift = (opcode >> 7) & 31; | |
5602 u32 value = reg[opcode & 15].I; | |
5603 if (shift) | |
5604 { | |
5605 ROR_VALUE; | |
5606 } | |
5607 else | |
5608 { | |
5609 RCR_VALUE; | |
5610 } | |
5611 int dest = (opcode >> 12) & 15; | |
5612 int base = (opcode >> 16) & 15; | |
5613 u32 address = reg[base].I + value; | |
5614 reg[dest].I = CPUReadByte(address); | |
5615 if (dest != base) | |
5616 reg[base].I = address; | |
5617 clockTicks += 3 + CPUUpdateTicksAccess16(address); | |
5618 } | |
5619 break; | |
5620 #define STMW_REG(val, num) \ | |
5621 if (opcode & (val)) { \ | |
5622 CPUWriteMemory(address, reg[(num)].I); \ | |
5623 if (!offset) { \ | |
5624 reg[base].I = temp; \ | |
5625 clockTicks += 1 + CPUUpdateTicksAccess32(address); \ | |
5626 offset = 1; \ | |
5627 } else { \ | |
5628 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); \ | |
5629 } \ | |
5630 address += 4; \ | |
5631 } | |
5632 #define STM_REG(val, num) \ | |
5633 if (opcode & (val)) { \ | |
5634 CPUWriteMemory(address, reg[(num)].I); \ | |
5635 if (!offset) { \ | |
5636 clockTicks += 1 + CPUUpdateTicksAccess32(address); \ | |
5637 offset = 1; \ | |
5638 } else { \ | |
5639 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); \ | |
5640 } \ | |
5641 address += 4; \ | |
5642 } | |
5643 | |
5644 CASE_16(0x800) | |
5645 // STMDA Rn, {Rlist} | |
5646 { | |
5647 int base = (opcode & 0x000F0000) >> 16; | |
5648 u32 temp = reg[base].I - | |
5649 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
5650 u32 address = (temp + 4) & 0xFFFFFFFC; | |
5651 clockTicks += 2; | |
5652 int offset = 0; | |
5653 STM_REG(1, 0); | |
5654 STM_REG(2, 1); | |
5655 STM_REG(4, 2); | |
5656 STM_REG(8, 3); | |
5657 STM_REG(16, 4); | |
5658 STM_REG(32, 5); | |
5659 STM_REG(64, 6); | |
5660 STM_REG(128, 7); | |
5661 STM_REG(256, 8); | |
5662 STM_REG(512, 9); | |
5663 STM_REG(1024, 10); | |
5664 STM_REG(2048, 11); | |
5665 STM_REG(4096, 12); | |
5666 STM_REG(8192, 13); | |
5667 STM_REG(16384, 14); | |
5668 if (opcode & 32768) | |
5669 { | |
5670 CPUWriteMemory(address, reg[15].I + 4); | |
5671 if (!offset) | |
5672 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
5673 else | |
5674 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
5675 } | |
5676 } | |
5677 break; | |
5678 CASE_16(0x820) | |
5679 { | |
5680 // STMDA Rn!, {Rlist} | |
5681 int base = (opcode & 0x000F0000) >> 16; | |
5682 u32 temp = reg[base].I - | |
5683 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
5684 u32 address = (temp + 4) & 0xFFFFFFFC; | |
5685 clockTicks += 2; | |
5686 int offset = 0; | |
5687 | |
5688 STMW_REG(1, 0); | |
5689 STMW_REG(2, 1); | |
5690 STMW_REG(4, 2); | |
5691 STMW_REG(8, 3); | |
5692 STMW_REG(16, 4); | |
5693 STMW_REG(32, 5); | |
5694 STMW_REG(64, 6); | |
5695 STMW_REG(128, 7); | |
5696 STMW_REG(256, 8); | |
5697 STMW_REG(512, 9); | |
5698 STMW_REG(1024, 10); | |
5699 STMW_REG(2048, 11); | |
5700 STMW_REG(4096, 12); | |
5701 STMW_REG(8192, 13); | |
5702 STMW_REG(16384, 14); | |
5703 if (opcode & 32768) | |
5704 { | |
5705 CPUWriteMemory(address, reg[15].I + 4); | |
5706 if (!offset) | |
5707 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
5708 else | |
5709 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
5710 reg[base].I = temp; | |
5711 } | |
5712 } | |
5713 break; | |
5714 CASE_16(0x840) | |
5715 { | |
5716 // STMDA Rn, {Rlist}^ | |
5717 int base = (opcode & 0x000F0000) >> 16; | |
5718 u32 temp = reg[base].I - | |
5719 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
5720 u32 address = (temp + 4) & 0xFFFFFFFC; | |
5721 clockTicks += 2; | |
5722 int offset = 0; | |
5723 | |
5724 STM_REG(1, 0); | |
5725 STM_REG(2, 1); | |
5726 STM_REG(4, 2); | |
5727 STM_REG(8, 3); | |
5728 STM_REG(16, 4); | |
5729 STM_REG(32, 5); | |
5730 STM_REG(64, 6); | |
5731 STM_REG(128, 7); | |
5732 | |
5733 if (armMode == 0x11) | |
5734 { | |
5735 STM_REG(256, R8_FIQ); | |
5736 STM_REG(512, R9_FIQ); | |
5737 STM_REG(1024, R10_FIQ); | |
5738 STM_REG(2048, R11_FIQ); | |
5739 STM_REG(4096, R12_FIQ); | |
5740 } | |
5741 else | |
5742 { | |
5743 STM_REG(256, 8); | |
5744 STM_REG(512, 9); | |
5745 STM_REG(1024, 10); | |
5746 STM_REG(2048, 11); | |
5747 STM_REG(4096, 12); | |
5748 } | |
5749 | |
5750 if (armMode != 0x10 && armMode != 0x1f) | |
5751 { | |
5752 STM_REG(8192, R13_USR); | |
5753 STM_REG(16384, R14_USR); | |
5754 } | |
5755 else | |
5756 { | |
5757 STM_REG(8192, 13); | |
5758 STM_REG(16384, 14); | |
5759 } | |
5760 | |
5761 if (opcode & 32768) | |
5762 { | |
5763 CPUWriteMemory(address, reg[15].I + 4); | |
5764 if (!offset) | |
5765 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
5766 else | |
5767 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
5768 } | |
5769 } | |
5770 break; | |
5771 CASE_16(0x860) | |
5772 { | |
5773 // STMDA Rn!, {Rlist}^ | |
5774 int base = (opcode & 0x000F0000) >> 16; | |
5775 u32 temp = reg[base].I - | |
5776 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
5777 u32 address = (temp + 4) & 0xFFFFFFFC; | |
5778 clockTicks += 2; | |
5779 int offset = 0; | |
5780 | |
5781 STMW_REG(1, 0); | |
5782 STMW_REG(2, 1); | |
5783 STMW_REG(4, 2); | |
5784 STMW_REG(8, 3); | |
5785 STMW_REG(16, 4); | |
5786 STMW_REG(32, 5); | |
5787 STMW_REG(64, 6); | |
5788 STMW_REG(128, 7); | |
5789 | |
5790 if (armMode == 0x11) | |
5791 { | |
5792 STMW_REG(256, R8_FIQ); | |
5793 STMW_REG(512, R9_FIQ); | |
5794 STMW_REG(1024, R10_FIQ); | |
5795 STMW_REG(2048, R11_FIQ); | |
5796 STMW_REG(4096, R12_FIQ); | |
5797 } | |
5798 else | |
5799 { | |
5800 STMW_REG(256, 8); | |
5801 STMW_REG(512, 9); | |
5802 STMW_REG(1024, 10); | |
5803 STMW_REG(2048, 11); | |
5804 STMW_REG(4096, 12); | |
5805 } | |
5806 | |
5807 if (armMode != 0x10 && armMode != 0x1f) | |
5808 { | |
5809 STMW_REG(8192, R13_USR); | |
5810 STMW_REG(16384, R14_USR); | |
5811 } | |
5812 else | |
5813 { | |
5814 STMW_REG(8192, 13); | |
5815 STMW_REG(16384, 14); | |
5816 } | |
5817 | |
5818 if (opcode & 32768) | |
5819 { | |
5820 CPUWriteMemory(address, reg[15].I + 4); | |
5821 if (!offset) | |
5822 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
5823 else | |
5824 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
5825 reg[base].I = temp; | |
5826 } | |
5827 } | |
5828 break; | |
5829 | |
5830 CASE_16(0x880) | |
5831 { | |
5832 // STMIA Rn, {Rlist} | |
5833 int base = (opcode & 0x000F0000) >> 16; | |
5834 u32 address = reg[base].I & 0xFFFFFFFC; | |
5835 clockTicks += 2; | |
5836 int offset = 0; | |
5837 STM_REG(1, 0); | |
5838 STM_REG(2, 1); | |
5839 STM_REG(4, 2); | |
5840 STM_REG(8, 3); | |
5841 STM_REG(16, 4); | |
5842 STM_REG(32, 5); | |
5843 STM_REG(64, 6); | |
5844 STM_REG(128, 7); | |
5845 STM_REG(256, 8); | |
5846 STM_REG(512, 9); | |
5847 STM_REG(1024, 10); | |
5848 STM_REG(2048, 11); | |
5849 STM_REG(4096, 12); | |
5850 STM_REG(8192, 13); | |
5851 STM_REG(16384, 14); | |
5852 if (opcode & 32768) | |
5853 { | |
5854 CPUWriteMemory(address, reg[15].I + 4); | |
5855 if (!offset) | |
5856 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
5857 else | |
5858 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
5859 } | |
5860 } | |
5861 break; | |
5862 CASE_16(0x8a0) | |
5863 { | |
5864 // STMIA Rn!, {Rlist} | |
5865 int base = (opcode & 0x000F0000) >> 16; | |
5866 u32 address = reg[base].I & 0xFFFFFFFC; | |
5867 clockTicks += 2; | |
5868 int offset = 0; | |
5869 u32 temp = reg[base].I + 4 * (cpuBitsSet[opcode & 0xFF] + | |
5870 cpuBitsSet[(opcode >> 8) & 255]); | |
5871 STMW_REG(1, 0); | |
5872 STMW_REG(2, 1); | |
5873 STMW_REG(4, 2); | |
5874 STMW_REG(8, 3); | |
5875 STMW_REG(16, 4); | |
5876 STMW_REG(32, 5); | |
5877 STMW_REG(64, 6); | |
5878 STMW_REG(128, 7); | |
5879 STMW_REG(256, 8); | |
5880 STMW_REG(512, 9); | |
5881 STMW_REG(1024, 10); | |
5882 STMW_REG(2048, 11); | |
5883 STMW_REG(4096, 12); | |
5884 STMW_REG(8192, 13); | |
5885 STMW_REG(16384, 14); | |
5886 if (opcode & 32768) | |
5887 { | |
5888 CPUWriteMemory(address, reg[15].I + 4); | |
5889 if (!offset) | |
5890 { | |
5891 reg[base].I = temp; | |
5892 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
5893 } | |
5894 else | |
5895 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
5896 } | |
5897 } | |
5898 break; | |
5899 CASE_16(0x8c0) | |
5900 { | |
5901 // STMIA Rn, {Rlist}^ | |
5902 int base = (opcode & 0x000F0000) >> 16; | |
5903 u32 address = reg[base].I & 0xFFFFFFFC; | |
5904 clockTicks += 2; | |
5905 int offset = 0; | |
5906 STM_REG(1, 0); | |
5907 STM_REG(2, 1); | |
5908 STM_REG(4, 2); | |
5909 STM_REG(8, 3); | |
5910 STM_REG(16, 4); | |
5911 STM_REG(32, 5); | |
5912 STM_REG(64, 6); | |
5913 STM_REG(128, 7); | |
5914 if (armMode == 0x11) | |
5915 { | |
5916 STM_REG(256, R8_FIQ); | |
5917 STM_REG(512, R9_FIQ); | |
5918 STM_REG(1024, R10_FIQ); | |
5919 STM_REG(2048, R11_FIQ); | |
5920 STM_REG(4096, R12_FIQ); | |
5921 } | |
5922 else | |
5923 { | |
5924 STM_REG(256, 8); | |
5925 STM_REG(512, 9); | |
5926 STM_REG(1024, 10); | |
5927 STM_REG(2048, 11); | |
5928 STM_REG(4096, 12); | |
5929 } | |
5930 if (armMode != 0x10 && armMode != 0x1f) | |
5931 { | |
5932 STM_REG(8192, R13_USR); | |
5933 STM_REG(16384, R14_USR); | |
5934 } | |
5935 else | |
5936 { | |
5937 STM_REG(8192, 13); | |
5938 STM_REG(16384, 14); | |
5939 } | |
5940 if (opcode & 32768) | |
5941 { | |
5942 CPUWriteMemory(address, reg[15].I + 4); | |
5943 if (!offset) | |
5944 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
5945 else | |
5946 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
5947 } | |
5948 } | |
5949 break; | |
5950 CASE_16(0x8e0) | |
5951 { | |
5952 // STMIA Rn!, {Rlist}^ | |
5953 int base = (opcode & 0x000F0000) >> 16; | |
5954 u32 address = reg[base].I & 0xFFFFFFFC; | |
5955 clockTicks += 2; | |
5956 int offset = 0; | |
5957 u32 temp = reg[base].I + 4 * (cpuBitsSet[opcode & 0xFF] + | |
5958 cpuBitsSet[(opcode >> 8) & 255]); | |
5959 STMW_REG(1, 0); | |
5960 STMW_REG(2, 1); | |
5961 STMW_REG(4, 2); | |
5962 STMW_REG(8, 3); | |
5963 STMW_REG(16, 4); | |
5964 STMW_REG(32, 5); | |
5965 STMW_REG(64, 6); | |
5966 STMW_REG(128, 7); | |
5967 if (armMode == 0x11) | |
5968 { | |
5969 STMW_REG(256, R8_FIQ); | |
5970 STMW_REG(512, R9_FIQ); | |
5971 STMW_REG(1024, R10_FIQ); | |
5972 STMW_REG(2048, R11_FIQ); | |
5973 STMW_REG(4096, R12_FIQ); | |
5974 } | |
5975 else | |
5976 { | |
5977 STMW_REG(256, 8); | |
5978 STMW_REG(512, 9); | |
5979 STMW_REG(1024, 10); | |
5980 STMW_REG(2048, 11); | |
5981 STMW_REG(4096, 12); | |
5982 } | |
5983 if (armMode != 0x10 && armMode != 0x1f) | |
5984 { | |
5985 STMW_REG(8192, R13_USR); | |
5986 STMW_REG(16384, R14_USR); | |
5987 } | |
5988 else | |
5989 { | |
5990 STMW_REG(8192, 13); | |
5991 STMW_REG(16384, 14); | |
5992 } | |
5993 if (opcode & 32768) | |
5994 { | |
5995 CPUWriteMemory(address, reg[15].I + 4); | |
5996 if (!offset) | |
5997 { | |
5998 reg[base].I = temp; | |
5999 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
6000 } | |
6001 else | |
6002 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
6003 } | |
6004 } | |
6005 break; | |
6006 | |
6007 CASE_16(0x900) | |
6008 { | |
6009 // STMDB Rn, {Rlist} | |
6010 int base = (opcode & 0x000F0000) >> 16; | |
6011 u32 temp = reg[base].I - | |
6012 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
6013 u32 address = temp & 0xFFFFFFFC; | |
6014 clockTicks += 2; | |
6015 int offset = 0; | |
6016 STM_REG(1, 0); | |
6017 STM_REG(2, 1); | |
6018 STM_REG(4, 2); | |
6019 STM_REG(8, 3); | |
6020 STM_REG(16, 4); | |
6021 STM_REG(32, 5); | |
6022 STM_REG(64, 6); | |
6023 STM_REG(128, 7); | |
6024 STM_REG(256, 8); | |
6025 STM_REG(512, 9); | |
6026 STM_REG(1024, 10); | |
6027 STM_REG(2048, 11); | |
6028 STM_REG(4096, 12); | |
6029 STM_REG(8192, 13); | |
6030 STM_REG(16384, 14); | |
6031 if (opcode & 32768) | |
6032 { | |
6033 CPUWriteMemory(address, reg[15].I + 4); | |
6034 if (!offset) | |
6035 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
6036 else | |
6037 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
6038 } | |
6039 } | |
6040 break; | |
6041 CASE_16(0x920) | |
6042 { | |
6043 // STMDB Rn!, {Rlist} | |
6044 int base = (opcode & 0x000F0000) >> 16; | |
6045 u32 temp = reg[base].I - | |
6046 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
6047 u32 address = temp & 0xFFFFFFFC; | |
6048 clockTicks += 2; | |
6049 int offset = 0; | |
6050 | |
6051 STMW_REG(1, 0); | |
6052 STMW_REG(2, 1); | |
6053 STMW_REG(4, 2); | |
6054 STMW_REG(8, 3); | |
6055 STMW_REG(16, 4); | |
6056 STMW_REG(32, 5); | |
6057 STMW_REG(64, 6); | |
6058 STMW_REG(128, 7); | |
6059 STMW_REG(256, 8); | |
6060 STMW_REG(512, 9); | |
6061 STMW_REG(1024, 10); | |
6062 STMW_REG(2048, 11); | |
6063 STMW_REG(4096, 12); | |
6064 STMW_REG(8192, 13); | |
6065 STMW_REG(16384, 14); | |
6066 if (opcode & 32768) | |
6067 { | |
6068 CPUWriteMemory(address, reg[15].I + 4); | |
6069 if (!offset) | |
6070 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
6071 else | |
6072 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
6073 reg[base].I = temp; | |
6074 } | |
6075 } | |
6076 break; | |
6077 CASE_16(0x940) | |
6078 { | |
6079 // STMDB Rn, {Rlist}^ | |
6080 int base = (opcode & 0x000F0000) >> 16; | |
6081 u32 temp = reg[base].I - | |
6082 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
6083 u32 address = temp & 0xFFFFFFFC; | |
6084 clockTicks += 2; | |
6085 int offset = 0; | |
6086 | |
6087 STM_REG(1, 0); | |
6088 STM_REG(2, 1); | |
6089 STM_REG(4, 2); | |
6090 STM_REG(8, 3); | |
6091 STM_REG(16, 4); | |
6092 STM_REG(32, 5); | |
6093 STM_REG(64, 6); | |
6094 STM_REG(128, 7); | |
6095 | |
6096 if (armMode == 0x11) | |
6097 { | |
6098 STM_REG(256, R8_FIQ); | |
6099 STM_REG(512, R9_FIQ); | |
6100 STM_REG(1024, R10_FIQ); | |
6101 STM_REG(2048, R11_FIQ); | |
6102 STM_REG(4096, R12_FIQ); | |
6103 } | |
6104 else | |
6105 { | |
6106 STM_REG(256, 8); | |
6107 STM_REG(512, 9); | |
6108 STM_REG(1024, 10); | |
6109 STM_REG(2048, 11); | |
6110 STM_REG(4096, 12); | |
6111 } | |
6112 | |
6113 if (armMode != 0x10 && armMode != 0x1f) | |
6114 { | |
6115 STM_REG(8192, R13_USR); | |
6116 STM_REG(16384, R14_USR); | |
6117 } | |
6118 else | |
6119 { | |
6120 STM_REG(8192, 13); | |
6121 STM_REG(16384, 14); | |
6122 } | |
6123 | |
6124 if (opcode & 32768) | |
6125 { | |
6126 CPUWriteMemory(address, reg[15].I + 4); | |
6127 if (!offset) | |
6128 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
6129 else | |
6130 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
6131 } | |
6132 } | |
6133 break; | |
6134 CASE_16(0x960) | |
6135 { | |
6136 // STMDB Rn!, {Rlist}^ | |
6137 int base = (opcode & 0x000F0000) >> 16; | |
6138 u32 temp = reg[base].I - | |
6139 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
6140 u32 address = temp & 0xFFFFFFFC; | |
6141 clockTicks += 2; | |
6142 int offset = 0; | |
6143 | |
6144 STMW_REG(1, 0); | |
6145 STMW_REG(2, 1); | |
6146 STMW_REG(4, 2); | |
6147 STMW_REG(8, 3); | |
6148 STMW_REG(16, 4); | |
6149 STMW_REG(32, 5); | |
6150 STMW_REG(64, 6); | |
6151 STMW_REG(128, 7); | |
6152 | |
6153 if (armMode == 0x11) | |
6154 { | |
6155 STMW_REG(256, R8_FIQ); | |
6156 STMW_REG(512, R9_FIQ); | |
6157 STMW_REG(1024, R10_FIQ); | |
6158 STMW_REG(2048, R11_FIQ); | |
6159 STMW_REG(4096, R12_FIQ); | |
6160 } | |
6161 else | |
6162 { | |
6163 STMW_REG(256, 8); | |
6164 STMW_REG(512, 9); | |
6165 STMW_REG(1024, 10); | |
6166 STMW_REG(2048, 11); | |
6167 STMW_REG(4096, 12); | |
6168 } | |
6169 | |
6170 if (armMode != 0x10 && armMode != 0x1f) | |
6171 { | |
6172 STMW_REG(8192, R13_USR); | |
6173 STMW_REG(16384, R14_USR); | |
6174 } | |
6175 else | |
6176 { | |
6177 STMW_REG(8192, 13); | |
6178 STMW_REG(16384, 14); | |
6179 } | |
6180 | |
6181 if (opcode & 32768) | |
6182 { | |
6183 CPUWriteMemory(address, reg[15].I + 4); | |
6184 if (!offset) | |
6185 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
6186 else | |
6187 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
6188 reg[base].I = temp; | |
6189 } | |
6190 } | |
6191 break; | |
6192 | |
6193 CASE_16(0x980) | |
6194 // STMIB Rn, {Rlist} | |
6195 { | |
6196 int base = (opcode & 0x000F0000) >> 16; | |
6197 u32 address = (reg[base].I + 4) & 0xFFFFFFFC; | |
6198 clockTicks += 2; | |
6199 int offset = 0; | |
6200 STM_REG(1, 0); | |
6201 STM_REG(2, 1); | |
6202 STM_REG(4, 2); | |
6203 STM_REG(8, 3); | |
6204 STM_REG(16, 4); | |
6205 STM_REG(32, 5); | |
6206 STM_REG(64, 6); | |
6207 STM_REG(128, 7); | |
6208 STM_REG(256, 8); | |
6209 STM_REG(512, 9); | |
6210 STM_REG(1024, 10); | |
6211 STM_REG(2048, 11); | |
6212 STM_REG(4096, 12); | |
6213 STM_REG(8192, 13); | |
6214 STM_REG(16384, 14); | |
6215 if (opcode & 32768) | |
6216 { | |
6217 CPUWriteMemory(address, reg[15].I + 4); | |
6218 if (!offset) | |
6219 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
6220 else | |
6221 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
6222 } | |
6223 } | |
6224 break; | |
6225 CASE_16(0x9a0) | |
6226 { | |
6227 // STMIB Rn!, {Rlist} | |
6228 int base = (opcode & 0x000F0000) >> 16; | |
6229 u32 address = (reg[base].I + 4) & 0xFFFFFFFC; | |
6230 clockTicks += 2; | |
6231 int offset = 0; | |
6232 u32 temp = reg[base].I + 4 * (cpuBitsSet[opcode & 0xFF] + | |
6233 cpuBitsSet[(opcode >> 8) & 255]); | |
6234 STMW_REG(1, 0); | |
6235 STMW_REG(2, 1); | |
6236 STMW_REG(4, 2); | |
6237 STMW_REG(8, 3); | |
6238 STMW_REG(16, 4); | |
6239 STMW_REG(32, 5); | |
6240 STMW_REG(64, 6); | |
6241 STMW_REG(128, 7); | |
6242 STMW_REG(256, 8); | |
6243 STMW_REG(512, 9); | |
6244 STMW_REG(1024, 10); | |
6245 STMW_REG(2048, 11); | |
6246 STMW_REG(4096, 12); | |
6247 STMW_REG(8192, 13); | |
6248 STMW_REG(16384, 14); | |
6249 if (opcode & 32768) | |
6250 { | |
6251 CPUWriteMemory(address, reg[15].I + 4); | |
6252 if (!offset) | |
6253 { | |
6254 reg[base].I = temp; | |
6255 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
6256 } | |
6257 else | |
6258 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
6259 } | |
6260 } | |
6261 break; | |
6262 CASE_16(0x9c0) | |
6263 { | |
6264 // STMIB Rn, {Rlist}^ | |
6265 int base = (opcode & 0x000F0000) >> 16; | |
6266 u32 address = (reg[base].I + 4) & 0xFFFFFFFC; | |
6267 clockTicks += 2; | |
6268 int offset = 0; | |
6269 STM_REG(1, 0); | |
6270 STM_REG(2, 1); | |
6271 STM_REG(4, 2); | |
6272 STM_REG(8, 3); | |
6273 STM_REG(16, 4); | |
6274 STM_REG(32, 5); | |
6275 STM_REG(64, 6); | |
6276 STM_REG(128, 7); | |
6277 if (armMode == 0x11) | |
6278 { | |
6279 STM_REG(256, R8_FIQ); | |
6280 STM_REG(512, R9_FIQ); | |
6281 STM_REG(1024, R10_FIQ); | |
6282 STM_REG(2048, R11_FIQ); | |
6283 STM_REG(4096, R12_FIQ); | |
6284 } | |
6285 else | |
6286 { | |
6287 STM_REG(256, 8); | |
6288 STM_REG(512, 9); | |
6289 STM_REG(1024, 10); | |
6290 STM_REG(2048, 11); | |
6291 STM_REG(4096, 12); | |
6292 } | |
6293 if (armMode != 0x10 && armMode != 0x1f) | |
6294 { | |
6295 STM_REG(8192, R13_USR); | |
6296 STM_REG(16384, R14_USR); | |
6297 } | |
6298 else | |
6299 { | |
6300 STM_REG(8192, 13); | |
6301 STM_REG(16384, 14); | |
6302 } | |
6303 if (opcode & 32768) | |
6304 { | |
6305 CPUWriteMemory(address, reg[15].I + 4); | |
6306 if (!offset) | |
6307 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
6308 else | |
6309 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
6310 } | |
6311 } | |
6312 break; | |
6313 CASE_16(0x9e0) | |
6314 { | |
6315 // STMIB Rn!, {Rlist}^ | |
6316 int base = (opcode & 0x000F0000) >> 16; | |
6317 u32 address = (reg[base].I + 4) & 0xFFFFFFFC; | |
6318 clockTicks += 2; | |
6319 int offset = 0; | |
6320 u32 temp = reg[base].I + 4 * (cpuBitsSet[opcode & 0xFF] + | |
6321 cpuBitsSet[(opcode >> 8) & 255]); | |
6322 STMW_REG(1, 0); | |
6323 STMW_REG(2, 1); | |
6324 STMW_REG(4, 2); | |
6325 STMW_REG(8, 3); | |
6326 STMW_REG(16, 4); | |
6327 STMW_REG(32, 5); | |
6328 STMW_REG(64, 6); | |
6329 STMW_REG(128, 7); | |
6330 if (armMode == 0x11) | |
6331 { | |
6332 STMW_REG(256, R8_FIQ); | |
6333 STMW_REG(512, R9_FIQ); | |
6334 STMW_REG(1024, R10_FIQ); | |
6335 STMW_REG(2048, R11_FIQ); | |
6336 STMW_REG(4096, R12_FIQ); | |
6337 } | |
6338 else | |
6339 { | |
6340 STMW_REG(256, 8); | |
6341 STMW_REG(512, 9); | |
6342 STMW_REG(1024, 10); | |
6343 STMW_REG(2048, 11); | |
6344 STMW_REG(4096, 12); | |
6345 } | |
6346 if (armMode != 0x10 && armMode != 0x1f) | |
6347 { | |
6348 STMW_REG(8192, R13_USR); | |
6349 STMW_REG(16384, R14_USR); | |
6350 } | |
6351 else | |
6352 { | |
6353 STMW_REG(8192, 13); | |
6354 STMW_REG(16384, 14); | |
6355 } | |
6356 if (opcode & 32768) | |
6357 { | |
6358 CPUWriteMemory(address, reg[15].I + 4); | |
6359 if (!offset) | |
6360 { | |
6361 reg[base].I = temp; | |
6362 clockTicks += 1 + CPUUpdateTicksAccess32(address); | |
6363 } | |
6364 else | |
6365 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); | |
6366 } | |
6367 } | |
6368 break; | |
6369 | |
6370 #define LDM_REG(val, num) \ | |
6371 if (opcode & (val)) { \ | |
6372 reg[(num)].I = CPUReadMemory(address); \ | |
6373 if (offset) \ | |
6374 clockTicks += 1 + CPUUpdateTicksAccessSeq32(address); \ | |
6375 else { \ | |
6376 clockTicks += 1 + CPUUpdateTicksAccess32(address); \ | |
6377 offset = 1; \ | |
6378 } \ | |
6379 address += 4; \ | |
6380 } | |
6381 | |
6382 CASE_16(0x810) | |
6383 { | |
6384 // LDMDA Rn, {Rlist} | |
6385 int base = (opcode & 0x000F0000) >> 16; | |
6386 u32 temp = reg[base].I - | |
6387 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
6388 u32 address = (temp + 4) & 0xFFFFFFFC; | |
6389 clockTicks += 2; | |
6390 int offset = 0; | |
6391 LDM_REG(1, 0); | |
6392 LDM_REG(2, 1); | |
6393 LDM_REG(4, 2); | |
6394 LDM_REG(8, 3); | |
6395 LDM_REG(16, 4); | |
6396 LDM_REG(32, 5); | |
6397 LDM_REG(64, 6); | |
6398 LDM_REG(128, 7); | |
6399 LDM_REG(256, 8); | |
6400 LDM_REG(512, 9); | |
6401 LDM_REG(1024, 10); | |
6402 LDM_REG(2048, 11); | |
6403 LDM_REG(4096, 12); | |
6404 LDM_REG(8192, 13); | |
6405 LDM_REG(16384, 14); | |
6406 if (opcode & 32768) | |
6407 { | |
6408 reg[15].I = CPUReadMemory(address); | |
6409 if (!offset) | |
6410 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
6411 else | |
6412 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
6413 armNextPC = reg[15].I; | |
6414 reg[15].I += 4; | |
6415 } | |
6416 } | |
6417 break; | |
6418 CASE_16(0x830) | |
6419 { | |
6420 // LDMDA Rn!, {Rlist} | |
6421 int base = (opcode & 0x000F0000) >> 16; | |
6422 u32 temp = reg[base].I - | |
6423 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
6424 u32 address = (temp + 4) & 0xFFFFFFFC; | |
6425 clockTicks += 2; | |
6426 int offset = 0; | |
6427 LDM_REG(1, 0); | |
6428 LDM_REG(2, 1); | |
6429 LDM_REG(4, 2); | |
6430 LDM_REG(8, 3); | |
6431 LDM_REG(16, 4); | |
6432 LDM_REG(32, 5); | |
6433 LDM_REG(64, 6); | |
6434 LDM_REG(128, 7); | |
6435 LDM_REG(256, 8); | |
6436 LDM_REG(512, 9); | |
6437 LDM_REG(1024, 10); | |
6438 LDM_REG(2048, 11); | |
6439 LDM_REG(4096, 12); | |
6440 LDM_REG(8192, 13); | |
6441 LDM_REG(16384, 14); | |
6442 if (opcode & 32768) | |
6443 { | |
6444 reg[15].I = CPUReadMemory(address); | |
6445 if (!offset) | |
6446 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
6447 else | |
6448 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
6449 armNextPC = reg[15].I; | |
6450 reg[15].I += 4; | |
6451 } | |
6452 if (!(opcode & (1 << base))) | |
6453 reg[base].I = temp; | |
6454 } | |
6455 break; | |
6456 CASE_16(0x850) | |
6457 { | |
6458 // LDMDA Rn, {Rlist}^ | |
6459 int base = (opcode & 0x000F0000) >> 16; | |
6460 u32 temp = reg[base].I - | |
6461 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
6462 u32 address = (temp + 4) & 0xFFFFFFFC; | |
6463 clockTicks += 2; | |
6464 int offset = 0; | |
6465 if (opcode & 0x8000) | |
6466 { | |
6467 LDM_REG(1, 0); | |
6468 LDM_REG(2, 1); | |
6469 LDM_REG(4, 2); | |
6470 LDM_REG(8, 3); | |
6471 LDM_REG(16, 4); | |
6472 LDM_REG(32, 5); | |
6473 LDM_REG(64, 6); | |
6474 LDM_REG(128, 7); | |
6475 LDM_REG(256, 8); | |
6476 LDM_REG(512, 9); | |
6477 LDM_REG(1024, 10); | |
6478 LDM_REG(2048, 11); | |
6479 LDM_REG(4096, 12); | |
6480 LDM_REG(8192, 13); | |
6481 LDM_REG(16384, 14); | |
6482 | |
6483 reg[15].I = CPUReadMemory(address); | |
6484 if (!offset) | |
6485 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
6486 else | |
6487 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
6488 | |
6489 CPUSwitchMode(reg[17].I & 0x1f, false); | |
6490 if (armState) | |
6491 { | |
6492 armNextPC = reg[15].I & 0xFFFFFFFC; | |
6493 reg[15].I = armNextPC + 4; | |
6494 } | |
6495 else | |
6496 { | |
6497 armNextPC = reg[15].I & 0xFFFFFFFE; | |
6498 reg[15].I = armNextPC + 2; | |
6499 } | |
6500 } | |
6501 else | |
6502 { | |
6503 LDM_REG(1, 0); | |
6504 LDM_REG(2, 1); | |
6505 LDM_REG(4, 2); | |
6506 LDM_REG(8, 3); | |
6507 LDM_REG(16, 4); | |
6508 LDM_REG(32, 5); | |
6509 LDM_REG(64, 6); | |
6510 LDM_REG(128, 7); | |
6511 | |
6512 if (armMode == 0x11) | |
6513 { | |
6514 LDM_REG(256, R8_FIQ); | |
6515 LDM_REG(512, R9_FIQ); | |
6516 LDM_REG(1024, R10_FIQ); | |
6517 LDM_REG(2048, R11_FIQ); | |
6518 LDM_REG(4096, R12_FIQ); | |
6519 } | |
6520 else | |
6521 { | |
6522 LDM_REG(256, 8); | |
6523 LDM_REG(512, 9); | |
6524 LDM_REG(1024, 10); | |
6525 LDM_REG(2048, 11); | |
6526 LDM_REG(4096, 12); | |
6527 } | |
6528 | |
6529 if (armMode != 0x10 && armMode != 0x1f) | |
6530 { | |
6531 LDM_REG(8192, R13_USR); | |
6532 LDM_REG(16384, R14_USR); | |
6533 } | |
6534 else | |
6535 { | |
6536 LDM_REG(8192, 13); | |
6537 LDM_REG(16384, 14); | |
6538 } | |
6539 } | |
6540 } | |
6541 break; | |
6542 CASE_16(0x870) | |
6543 { | |
6544 // LDMDA Rn!, {Rlist}^ | |
6545 int base = (opcode & 0x000F0000) >> 16; | |
6546 u32 temp = reg[base].I - | |
6547 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
6548 u32 address = (temp + 4) & 0xFFFFFFFC; | |
6549 clockTicks += 2; | |
6550 int offset = 0; | |
6551 if (opcode & 0x8000) | |
6552 { | |
6553 LDM_REG(1, 0); | |
6554 LDM_REG(2, 1); | |
6555 LDM_REG(4, 2); | |
6556 LDM_REG(8, 3); | |
6557 LDM_REG(16, 4); | |
6558 LDM_REG(32, 5); | |
6559 LDM_REG(64, 6); | |
6560 LDM_REG(128, 7); | |
6561 LDM_REG(256, 8); | |
6562 LDM_REG(512, 9); | |
6563 LDM_REG(1024, 10); | |
6564 LDM_REG(2048, 11); | |
6565 LDM_REG(4096, 12); | |
6566 LDM_REG(8192, 13); | |
6567 LDM_REG(16384, 14); | |
6568 | |
6569 reg[15].I = CPUReadMemory(address); | |
6570 if (!offset) | |
6571 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
6572 else | |
6573 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
6574 | |
6575 if (!(opcode & (1 << base))) | |
6576 reg[base].I = temp; | |
6577 | |
6578 CPUSwitchMode(reg[17].I & 0x1f, false); | |
6579 if (armState) | |
6580 { | |
6581 armNextPC = reg[15].I & 0xFFFFFFFC; | |
6582 reg[15].I = armNextPC + 4; | |
6583 } | |
6584 else | |
6585 { | |
6586 armNextPC = reg[15].I & 0xFFFFFFFE; | |
6587 reg[15].I = armNextPC + 2; | |
6588 } | |
6589 } | |
6590 else | |
6591 { | |
6592 LDM_REG(1, 0); | |
6593 LDM_REG(2, 1); | |
6594 LDM_REG(4, 2); | |
6595 LDM_REG(8, 3); | |
6596 LDM_REG(16, 4); | |
6597 LDM_REG(32, 5); | |
6598 LDM_REG(64, 6); | |
6599 LDM_REG(128, 7); | |
6600 | |
6601 if (armMode == 0x11) | |
6602 { | |
6603 LDM_REG(256, R8_FIQ); | |
6604 LDM_REG(512, R9_FIQ); | |
6605 LDM_REG(1024, R10_FIQ); | |
6606 LDM_REG(2048, R11_FIQ); | |
6607 LDM_REG(4096, R12_FIQ); | |
6608 } | |
6609 else | |
6610 { | |
6611 LDM_REG(256, 8); | |
6612 LDM_REG(512, 9); | |
6613 LDM_REG(1024, 10); | |
6614 LDM_REG(2048, 11); | |
6615 LDM_REG(4096, 12); | |
6616 } | |
6617 | |
6618 if (armMode != 0x10 && armMode != 0x1f) | |
6619 { | |
6620 LDM_REG(8192, R13_USR); | |
6621 LDM_REG(16384, R14_USR); | |
6622 } | |
6623 else | |
6624 { | |
6625 LDM_REG(8192, 13); | |
6626 LDM_REG(16384, 14); | |
6627 } | |
6628 | |
6629 if (!(opcode & (1 << base))) | |
6630 reg[base].I = temp; | |
6631 } | |
6632 } | |
6633 break; | |
6634 | |
6635 CASE_16(0x890) | |
6636 { | |
6637 // LDMIA Rn, {Rlist} | |
6638 int base = (opcode & 0x000F0000) >> 16; | |
6639 u32 address = reg[base].I & 0xFFFFFFFC; | |
6640 clockTicks += 2; | |
6641 int offset = 0; | |
6642 LDM_REG(1, 0); | |
6643 LDM_REG(2, 1); | |
6644 LDM_REG(4, 2); | |
6645 LDM_REG(8, 3); | |
6646 LDM_REG(16, 4); | |
6647 LDM_REG(32, 5); | |
6648 LDM_REG(64, 6); | |
6649 LDM_REG(128, 7); | |
6650 LDM_REG(256, 8); | |
6651 LDM_REG(512, 9); | |
6652 LDM_REG(1024, 10); | |
6653 LDM_REG(2048, 11); | |
6654 LDM_REG(4096, 12); | |
6655 LDM_REG(8192, 13); | |
6656 LDM_REG(16384, 14); | |
6657 if (opcode & 32768) | |
6658 { | |
6659 reg[15].I = CPUReadMemory(address); | |
6660 if (!offset) | |
6661 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
6662 else | |
6663 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
6664 armNextPC = reg[15].I; | |
6665 reg[15].I += 4; | |
6666 } | |
6667 } | |
6668 break; | |
6669 CASE_16(0x8b0) | |
6670 { | |
6671 // LDMIA Rn!, {Rlist} | |
6672 int base = (opcode & 0x000F0000) >> 16; | |
6673 u32 temp = reg[base].I + | |
6674 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
6675 u32 address = reg[base].I & 0xFFFFFFFC; | |
6676 clockTicks += 2; | |
6677 int offset = 0; | |
6678 LDM_REG(1, 0); | |
6679 LDM_REG(2, 1); | |
6680 LDM_REG(4, 2); | |
6681 LDM_REG(8, 3); | |
6682 LDM_REG(16, 4); | |
6683 LDM_REG(32, 5); | |
6684 LDM_REG(64, 6); | |
6685 LDM_REG(128, 7); | |
6686 LDM_REG(256, 8); | |
6687 LDM_REG(512, 9); | |
6688 LDM_REG(1024, 10); | |
6689 LDM_REG(2048, 11); | |
6690 LDM_REG(4096, 12); | |
6691 LDM_REG(8192, 13); | |
6692 LDM_REG(16384, 14); | |
6693 if (opcode & 32768) | |
6694 { | |
6695 reg[15].I = CPUReadMemory(address); | |
6696 if (!offset) | |
6697 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
6698 else | |
6699 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
6700 armNextPC = reg[15].I; | |
6701 reg[15].I += 4; | |
6702 } | |
6703 if (!(opcode & (1 << base))) | |
6704 reg[base].I = temp; | |
6705 } | |
6706 break; | |
6707 CASE_16(0x8d0) | |
6708 { | |
6709 // LDMIA Rn, {Rlist}^ | |
6710 int base = (opcode & 0x000F0000) >> 16; | |
6711 u32 address = reg[base].I & 0xFFFFFFFC; | |
6712 clockTicks += 2; | |
6713 int offset = 0; | |
6714 if (opcode & 0x8000) | |
6715 { | |
6716 LDM_REG(1, 0); | |
6717 LDM_REG(2, 1); | |
6718 LDM_REG(4, 2); | |
6719 LDM_REG(8, 3); | |
6720 LDM_REG(16, 4); | |
6721 LDM_REG(32, 5); | |
6722 LDM_REG(64, 6); | |
6723 LDM_REG(128, 7); | |
6724 LDM_REG(256, 8); | |
6725 LDM_REG(512, 9); | |
6726 LDM_REG(1024, 10); | |
6727 LDM_REG(2048, 11); | |
6728 LDM_REG(4096, 12); | |
6729 LDM_REG(8192, 13); | |
6730 LDM_REG(16384, 14); | |
6731 | |
6732 reg[15].I = CPUReadMemory(address); | |
6733 if (!offset) | |
6734 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
6735 else | |
6736 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
6737 | |
6738 CPUSwitchMode(reg[17].I & 0x1f, false); | |
6739 if (armState) | |
6740 { | |
6741 armNextPC = reg[15].I & 0xFFFFFFFC; | |
6742 reg[15].I = armNextPC + 4; | |
6743 } | |
6744 else | |
6745 { | |
6746 armNextPC = reg[15].I & 0xFFFFFFFE; | |
6747 reg[15].I = armNextPC + 2; | |
6748 } | |
6749 } | |
6750 else | |
6751 { | |
6752 LDM_REG(1, 0); | |
6753 LDM_REG(2, 1); | |
6754 LDM_REG(4, 2); | |
6755 LDM_REG(8, 3); | |
6756 LDM_REG(16, 4); | |
6757 LDM_REG(32, 5); | |
6758 LDM_REG(64, 6); | |
6759 LDM_REG(128, 7); | |
6760 | |
6761 if (armMode == 0x11) | |
6762 { | |
6763 LDM_REG(256, R8_FIQ); | |
6764 LDM_REG(512, R9_FIQ); | |
6765 LDM_REG(1024, R10_FIQ); | |
6766 LDM_REG(2048, R11_FIQ); | |
6767 LDM_REG(4096, R12_FIQ); | |
6768 } | |
6769 else | |
6770 { | |
6771 LDM_REG(256, 8); | |
6772 LDM_REG(512, 9); | |
6773 LDM_REG(1024, 10); | |
6774 LDM_REG(2048, 11); | |
6775 LDM_REG(4096, 12); | |
6776 } | |
6777 | |
6778 if (armMode != 0x10 && armMode != 0x1f) | |
6779 { | |
6780 LDM_REG(8192, R13_USR); | |
6781 LDM_REG(16384, R14_USR); | |
6782 } | |
6783 else | |
6784 { | |
6785 LDM_REG(8192, 13); | |
6786 LDM_REG(16384, 14); | |
6787 } | |
6788 } | |
6789 } | |
6790 break; | |
6791 CASE_16(0x8f0) | |
6792 { | |
6793 // LDMIA Rn!, {Rlist}^ | |
6794 int base = (opcode & 0x000F0000) >> 16; | |
6795 u32 temp = reg[base].I + | |
6796 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
6797 u32 address = reg[base].I & 0xFFFFFFFC; | |
6798 clockTicks += 2; | |
6799 int offset = 0; | |
6800 if (opcode & 0x8000) | |
6801 { | |
6802 LDM_REG(1, 0); | |
6803 LDM_REG(2, 1); | |
6804 LDM_REG(4, 2); | |
6805 LDM_REG(8, 3); | |
6806 LDM_REG(16, 4); | |
6807 LDM_REG(32, 5); | |
6808 LDM_REG(64, 6); | |
6809 LDM_REG(128, 7); | |
6810 LDM_REG(256, 8); | |
6811 LDM_REG(512, 9); | |
6812 LDM_REG(1024, 10); | |
6813 LDM_REG(2048, 11); | |
6814 LDM_REG(4096, 12); | |
6815 LDM_REG(8192, 13); | |
6816 LDM_REG(16384, 14); | |
6817 | |
6818 reg[15].I = CPUReadMemory(address); | |
6819 if (!offset) | |
6820 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
6821 else | |
6822 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
6823 | |
6824 if (!(opcode & (1 << base))) | |
6825 reg[base].I = temp; | |
6826 | |
6827 CPUSwitchMode(reg[17].I & 0x1f, false); | |
6828 if (armState) | |
6829 { | |
6830 armNextPC = reg[15].I & 0xFFFFFFFC; | |
6831 reg[15].I = armNextPC + 4; | |
6832 } | |
6833 else | |
6834 { | |
6835 armNextPC = reg[15].I & 0xFFFFFFFE; | |
6836 reg[15].I = armNextPC + 2; | |
6837 } | |
6838 } | |
6839 else | |
6840 { | |
6841 LDM_REG(1, 0); | |
6842 LDM_REG(2, 1); | |
6843 LDM_REG(4, 2); | |
6844 LDM_REG(8, 3); | |
6845 LDM_REG(16, 4); | |
6846 LDM_REG(32, 5); | |
6847 LDM_REG(64, 6); | |
6848 LDM_REG(128, 7); | |
6849 | |
6850 if (armMode == 0x11) | |
6851 { | |
6852 LDM_REG(256, R8_FIQ); | |
6853 LDM_REG(512, R9_FIQ); | |
6854 LDM_REG(1024, R10_FIQ); | |
6855 LDM_REG(2048, R11_FIQ); | |
6856 LDM_REG(4096, R12_FIQ); | |
6857 } | |
6858 else | |
6859 { | |
6860 LDM_REG(256, 8); | |
6861 LDM_REG(512, 9); | |
6862 LDM_REG(1024, 10); | |
6863 LDM_REG(2048, 11); | |
6864 LDM_REG(4096, 12); | |
6865 } | |
6866 | |
6867 if (armMode != 0x10 && armMode != 0x1f) | |
6868 { | |
6869 LDM_REG(8192, R13_USR); | |
6870 LDM_REG(16384, R14_USR); | |
6871 } | |
6872 else | |
6873 { | |
6874 LDM_REG(8192, 13); | |
6875 LDM_REG(16384, 14); | |
6876 } | |
6877 | |
6878 if (!(opcode & (1 << base))) | |
6879 reg[base].I = temp; | |
6880 } | |
6881 } | |
6882 break; | |
6883 | |
6884 CASE_16(0x910) | |
6885 { | |
6886 // LDMDB Rn, {Rlist} | |
6887 int base = (opcode & 0x000F0000) >> 16; | |
6888 u32 temp = reg[base].I - | |
6889 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
6890 u32 address = temp & 0xFFFFFFFC; | |
6891 clockTicks += 2; | |
6892 int offset = 0; | |
6893 LDM_REG(1, 0); | |
6894 LDM_REG(2, 1); | |
6895 LDM_REG(4, 2); | |
6896 LDM_REG(8, 3); | |
6897 LDM_REG(16, 4); | |
6898 LDM_REG(32, 5); | |
6899 LDM_REG(64, 6); | |
6900 LDM_REG(128, 7); | |
6901 LDM_REG(256, 8); | |
6902 LDM_REG(512, 9); | |
6903 LDM_REG(1024, 10); | |
6904 LDM_REG(2048, 11); | |
6905 LDM_REG(4096, 12); | |
6906 LDM_REG(8192, 13); | |
6907 LDM_REG(16384, 14); | |
6908 if (opcode & 32768) | |
6909 { | |
6910 reg[15].I = CPUReadMemory(address); | |
6911 if (!offset) | |
6912 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
6913 else | |
6914 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
6915 armNextPC = reg[15].I; | |
6916 reg[15].I += 4; | |
6917 } | |
6918 } | |
6919 break; | |
6920 CASE_16(0x930) | |
6921 { | |
6922 // LDMDB Rn!, {Rlist} | |
6923 int base = (opcode & 0x000F0000) >> 16; | |
6924 u32 temp = reg[base].I - | |
6925 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
6926 u32 address = temp & 0xFFFFFFFC; | |
6927 clockTicks += 2; | |
6928 int offset = 0; | |
6929 LDM_REG(1, 0); | |
6930 LDM_REG(2, 1); | |
6931 LDM_REG(4, 2); | |
6932 LDM_REG(8, 3); | |
6933 LDM_REG(16, 4); | |
6934 LDM_REG(32, 5); | |
6935 LDM_REG(64, 6); | |
6936 LDM_REG(128, 7); | |
6937 LDM_REG(256, 8); | |
6938 LDM_REG(512, 9); | |
6939 LDM_REG(1024, 10); | |
6940 LDM_REG(2048, 11); | |
6941 LDM_REG(4096, 12); | |
6942 LDM_REG(8192, 13); | |
6943 LDM_REG(16384, 14); | |
6944 if (opcode & 32768) | |
6945 { | |
6946 reg[15].I = CPUReadMemory(address); | |
6947 if (!offset) | |
6948 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
6949 else | |
6950 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
6951 armNextPC = reg[15].I; | |
6952 reg[15].I += 4; | |
6953 } | |
6954 if (!(opcode & (1 << base))) | |
6955 reg[base].I = temp; | |
6956 } | |
6957 break; | |
6958 CASE_16(0x950) | |
6959 { | |
6960 // LDMDB Rn, {Rlist}^ | |
6961 int base = (opcode & 0x000F0000) >> 16; | |
6962 u32 temp = reg[base].I - | |
6963 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
6964 u32 address = temp & 0xFFFFFFFC; | |
6965 clockTicks += 2; | |
6966 int offset = 0; | |
6967 if (opcode & 0x8000) | |
6968 { | |
6969 LDM_REG(1, 0); | |
6970 LDM_REG(2, 1); | |
6971 LDM_REG(4, 2); | |
6972 LDM_REG(8, 3); | |
6973 LDM_REG(16, 4); | |
6974 LDM_REG(32, 5); | |
6975 LDM_REG(64, 6); | |
6976 LDM_REG(128, 7); | |
6977 LDM_REG(256, 8); | |
6978 LDM_REG(512, 9); | |
6979 LDM_REG(1024, 10); | |
6980 LDM_REG(2048, 11); | |
6981 LDM_REG(4096, 12); | |
6982 LDM_REG(8192, 13); | |
6983 LDM_REG(16384, 14); | |
6984 | |
6985 reg[15].I = CPUReadMemory(address); | |
6986 if (!offset) | |
6987 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
6988 else | |
6989 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
6990 | |
6991 CPUSwitchMode(reg[17].I & 0x1f, false); | |
6992 if (armState) | |
6993 { | |
6994 armNextPC = reg[15].I & 0xFFFFFFFC; | |
6995 reg[15].I = armNextPC + 4; | |
6996 } | |
6997 else | |
6998 { | |
6999 armNextPC = reg[15].I & 0xFFFFFFFE; | |
7000 reg[15].I = armNextPC + 2; | |
7001 } | |
7002 } | |
7003 else | |
7004 { | |
7005 LDM_REG(1, 0); | |
7006 LDM_REG(2, 1); | |
7007 LDM_REG(4, 2); | |
7008 LDM_REG(8, 3); | |
7009 LDM_REG(16, 4); | |
7010 LDM_REG(32, 5); | |
7011 LDM_REG(64, 6); | |
7012 LDM_REG(128, 7); | |
7013 | |
7014 if (armMode == 0x11) | |
7015 { | |
7016 LDM_REG(256, R8_FIQ); | |
7017 LDM_REG(512, R9_FIQ); | |
7018 LDM_REG(1024, R10_FIQ); | |
7019 LDM_REG(2048, R11_FIQ); | |
7020 LDM_REG(4096, R12_FIQ); | |
7021 } | |
7022 else | |
7023 { | |
7024 LDM_REG(256, 8); | |
7025 LDM_REG(512, 9); | |
7026 LDM_REG(1024, 10); | |
7027 LDM_REG(2048, 11); | |
7028 LDM_REG(4096, 12); | |
7029 } | |
7030 | |
7031 if (armMode != 0x10 && armMode != 0x1f) | |
7032 { | |
7033 LDM_REG(8192, R13_USR); | |
7034 LDM_REG(16384, R14_USR); | |
7035 } | |
7036 else | |
7037 { | |
7038 LDM_REG(8192, 13); | |
7039 LDM_REG(16384, 14); | |
7040 } | |
7041 } | |
7042 } | |
7043 break; | |
7044 CASE_16(0x970) | |
7045 { | |
7046 // LDMDB Rn!, {Rlist}^ | |
7047 int base = (opcode & 0x000F0000) >> 16; | |
7048 u32 temp = reg[base].I - | |
7049 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
7050 u32 address = temp & 0xFFFFFFFC; | |
7051 clockTicks += 2; | |
7052 int offset = 0; | |
7053 if (opcode & 0x8000) | |
7054 { | |
7055 LDM_REG(1, 0); | |
7056 LDM_REG(2, 1); | |
7057 LDM_REG(4, 2); | |
7058 LDM_REG(8, 3); | |
7059 LDM_REG(16, 4); | |
7060 LDM_REG(32, 5); | |
7061 LDM_REG(64, 6); | |
7062 LDM_REG(128, 7); | |
7063 LDM_REG(256, 8); | |
7064 LDM_REG(512, 9); | |
7065 LDM_REG(1024, 10); | |
7066 LDM_REG(2048, 11); | |
7067 LDM_REG(4096, 12); | |
7068 LDM_REG(8192, 13); | |
7069 LDM_REG(16384, 14); | |
7070 | |
7071 reg[15].I = CPUReadMemory(address); | |
7072 if (!offset) | |
7073 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
7074 else | |
7075 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
7076 | |
7077 if (!(opcode & (1 << base))) | |
7078 reg[base].I = temp; | |
7079 | |
7080 CPUSwitchMode(reg[17].I & 0x1f, false); | |
7081 if (armState) | |
7082 { | |
7083 armNextPC = reg[15].I & 0xFFFFFFFC; | |
7084 reg[15].I = armNextPC + 4; | |
7085 } | |
7086 else | |
7087 { | |
7088 armNextPC = reg[15].I & 0xFFFFFFFE; | |
7089 reg[15].I = armNextPC + 2; | |
7090 } | |
7091 } | |
7092 else | |
7093 { | |
7094 LDM_REG(1, 0); | |
7095 LDM_REG(2, 1); | |
7096 LDM_REG(4, 2); | |
7097 LDM_REG(8, 3); | |
7098 LDM_REG(16, 4); | |
7099 LDM_REG(32, 5); | |
7100 LDM_REG(64, 6); | |
7101 LDM_REG(128, 7); | |
7102 | |
7103 if (armMode == 0x11) | |
7104 { | |
7105 LDM_REG(256, R8_FIQ); | |
7106 LDM_REG(512, R9_FIQ); | |
7107 LDM_REG(1024, R10_FIQ); | |
7108 LDM_REG(2048, R11_FIQ); | |
7109 LDM_REG(4096, R12_FIQ); | |
7110 } | |
7111 else | |
7112 { | |
7113 LDM_REG(256, 8); | |
7114 LDM_REG(512, 9); | |
7115 LDM_REG(1024, 10); | |
7116 LDM_REG(2048, 11); | |
7117 LDM_REG(4096, 12); | |
7118 } | |
7119 | |
7120 if (armMode != 0x10 && armMode != 0x1f) | |
7121 { | |
7122 LDM_REG(8192, R13_USR); | |
7123 LDM_REG(16384, R14_USR); | |
7124 } | |
7125 else | |
7126 { | |
7127 LDM_REG(8192, 13); | |
7128 LDM_REG(16384, 14); | |
7129 } | |
7130 | |
7131 if (!(opcode & (1 << base))) | |
7132 reg[base].I = temp; | |
7133 } | |
7134 } | |
7135 break; | |
7136 | |
7137 CASE_16(0x990) | |
7138 { | |
7139 // LDMIB Rn, {Rlist} | |
7140 int base = (opcode & 0x000F0000) >> 16; | |
7141 u32 address = (reg[base].I + 4) & 0xFFFFFFFC; | |
7142 clockTicks += 2; | |
7143 int offset = 0; | |
7144 LDM_REG(1, 0); | |
7145 LDM_REG(2, 1); | |
7146 LDM_REG(4, 2); | |
7147 LDM_REG(8, 3); | |
7148 LDM_REG(16, 4); | |
7149 LDM_REG(32, 5); | |
7150 LDM_REG(64, 6); | |
7151 LDM_REG(128, 7); | |
7152 LDM_REG(256, 8); | |
7153 LDM_REG(512, 9); | |
7154 LDM_REG(1024, 10); | |
7155 LDM_REG(2048, 11); | |
7156 LDM_REG(4096, 12); | |
7157 LDM_REG(8192, 13); | |
7158 LDM_REG(16384, 14); | |
7159 if (opcode & 32768) | |
7160 { | |
7161 reg[15].I = CPUReadMemory(address); | |
7162 if (!offset) | |
7163 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
7164 else | |
7165 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
7166 armNextPC = reg[15].I; | |
7167 reg[15].I += 4; | |
7168 } | |
7169 } | |
7170 break; | |
7171 CASE_16(0x9b0) | |
7172 { | |
7173 // LDMIB Rn!, {Rlist} | |
7174 int base = (opcode & 0x000F0000) >> 16; | |
7175 u32 temp = reg[base].I + | |
7176 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
7177 u32 address = (reg[base].I + 4) & 0xFFFFFFFC; | |
7178 clockTicks += 2; | |
7179 int offset = 0; | |
7180 LDM_REG(1, 0); | |
7181 LDM_REG(2, 1); | |
7182 LDM_REG(4, 2); | |
7183 LDM_REG(8, 3); | |
7184 LDM_REG(16, 4); | |
7185 LDM_REG(32, 5); | |
7186 LDM_REG(64, 6); | |
7187 LDM_REG(128, 7); | |
7188 LDM_REG(256, 8); | |
7189 LDM_REG(512, 9); | |
7190 LDM_REG(1024, 10); | |
7191 LDM_REG(2048, 11); | |
7192 LDM_REG(4096, 12); | |
7193 LDM_REG(8192, 13); | |
7194 LDM_REG(16384, 14); | |
7195 if (opcode & 32768) | |
7196 { | |
7197 reg[15].I = CPUReadMemory(address); | |
7198 if (!offset) | |
7199 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
7200 else | |
7201 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
7202 armNextPC = reg[15].I; | |
7203 reg[15].I += 4; | |
7204 } | |
7205 if (!(opcode & (1 << base))) | |
7206 reg[base].I = temp; | |
7207 } | |
7208 break; | |
7209 CASE_16(0x9d0) | |
7210 { | |
7211 // LDMIB Rn, {Rlist}^ | |
7212 int base = (opcode & 0x000F0000) >> 16; | |
7213 u32 address = (reg[base].I + 4) & 0xFFFFFFFC; | |
7214 clockTicks += 2; | |
7215 int offset = 0; | |
7216 if (opcode & 0x8000) | |
7217 { | |
7218 LDM_REG(1, 0); | |
7219 LDM_REG(2, 1); | |
7220 LDM_REG(4, 2); | |
7221 LDM_REG(8, 3); | |
7222 LDM_REG(16, 4); | |
7223 LDM_REG(32, 5); | |
7224 LDM_REG(64, 6); | |
7225 LDM_REG(128, 7); | |
7226 LDM_REG(256, 8); | |
7227 LDM_REG(512, 9); | |
7228 LDM_REG(1024, 10); | |
7229 LDM_REG(2048, 11); | |
7230 LDM_REG(4096, 12); | |
7231 LDM_REG(8192, 13); | |
7232 LDM_REG(16384, 14); | |
7233 | |
7234 reg[15].I = CPUReadMemory(address); | |
7235 if (!offset) | |
7236 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
7237 else | |
7238 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
7239 | |
7240 CPUSwitchMode(reg[17].I & 0x1f, false); | |
7241 if (armState) | |
7242 { | |
7243 armNextPC = reg[15].I & 0xFFFFFFFC; | |
7244 reg[15].I = armNextPC + 4; | |
7245 } | |
7246 else | |
7247 { | |
7248 armNextPC = reg[15].I & 0xFFFFFFFE; | |
7249 reg[15].I = armNextPC + 2; | |
7250 } | |
7251 } | |
7252 else | |
7253 { | |
7254 LDM_REG(1, 0); | |
7255 LDM_REG(2, 1); | |
7256 LDM_REG(4, 2); | |
7257 LDM_REG(8, 3); | |
7258 LDM_REG(16, 4); | |
7259 LDM_REG(32, 5); | |
7260 LDM_REG(64, 6); | |
7261 LDM_REG(128, 7); | |
7262 | |
7263 if (armMode == 0x11) | |
7264 { | |
7265 LDM_REG(256, R8_FIQ); | |
7266 LDM_REG(512, R9_FIQ); | |
7267 LDM_REG(1024, R10_FIQ); | |
7268 LDM_REG(2048, R11_FIQ); | |
7269 LDM_REG(4096, R12_FIQ); | |
7270 } | |
7271 else | |
7272 { | |
7273 LDM_REG(256, 8); | |
7274 LDM_REG(512, 9); | |
7275 LDM_REG(1024, 10); | |
7276 LDM_REG(2048, 11); | |
7277 LDM_REG(4096, 12); | |
7278 } | |
7279 | |
7280 if (armMode != 0x10 && armMode != 0x1f) | |
7281 { | |
7282 LDM_REG(8192, R13_USR); | |
7283 LDM_REG(16384, R14_USR); | |
7284 } | |
7285 else | |
7286 { | |
7287 LDM_REG(8192, 13); | |
7288 LDM_REG(16384, 14); | |
7289 } | |
7290 } | |
7291 } | |
7292 break; | |
7293 CASE_16(0x9f0) | |
7294 { | |
7295 // LDMIB Rn!, {Rlist}^ | |
7296 int base = (opcode & 0x000F0000) >> 16; | |
7297 u32 temp = reg[base].I + | |
7298 4 * (cpuBitsSet[opcode & 255] + cpuBitsSet[(opcode >> 8) & 255]); | |
7299 u32 address = (reg[base].I + 4) & 0xFFFFFFFC; | |
7300 clockTicks += 2; | |
7301 int offset = 0; | |
7302 if (opcode & 0x8000) | |
7303 { | |
7304 LDM_REG(1, 0); | |
7305 LDM_REG(2, 1); | |
7306 LDM_REG(4, 2); | |
7307 LDM_REG(8, 3); | |
7308 LDM_REG(16, 4); | |
7309 LDM_REG(32, 5); | |
7310 LDM_REG(64, 6); | |
7311 LDM_REG(128, 7); | |
7312 LDM_REG(256, 8); | |
7313 LDM_REG(512, 9); | |
7314 LDM_REG(1024, 10); | |
7315 LDM_REG(2048, 11); | |
7316 LDM_REG(4096, 12); | |
7317 LDM_REG(8192, 13); | |
7318 LDM_REG(16384, 14); | |
7319 | |
7320 reg[15].I = CPUReadMemory(address); | |
7321 if (!offset) | |
7322 clockTicks += 2 + CPUUpdateTicksAccess32(address); | |
7323 else | |
7324 clockTicks += 2 + CPUUpdateTicksAccessSeq32(address); | |
7325 | |
7326 if (!(opcode & (1 << base))) | |
7327 reg[base].I = temp; | |
7328 | |
7329 CPUSwitchMode(reg[17].I & 0x1f, false); | |
7330 if (armState) | |
7331 { | |
7332 armNextPC = reg[15].I & 0xFFFFFFFC; | |
7333 reg[15].I = armNextPC + 4; | |
7334 } | |
7335 else | |
7336 { | |
7337 armNextPC = reg[15].I & 0xFFFFFFFE; | |
7338 reg[15].I = armNextPC + 2; | |
7339 } | |
7340 } | |
7341 else | |
7342 { | |
7343 LDM_REG(1, 0); | |
7344 LDM_REG(2, 1); | |
7345 LDM_REG(4, 2); | |
7346 LDM_REG(8, 3); | |
7347 LDM_REG(16, 4); | |
7348 LDM_REG(32, 5); | |
7349 LDM_REG(64, 6); | |
7350 LDM_REG(128, 7); | |
7351 | |
7352 if (armMode == 0x11) | |
7353 { | |
7354 LDM_REG(256, R8_FIQ); | |
7355 LDM_REG(512, R9_FIQ); | |
7356 LDM_REG(1024, R10_FIQ); | |
7357 LDM_REG(2048, R11_FIQ); | |
7358 LDM_REG(4096, R12_FIQ); | |
7359 } | |
7360 else | |
7361 { | |
7362 LDM_REG(256, 8); | |
7363 LDM_REG(512, 9); | |
7364 LDM_REG(1024, 10); | |
7365 LDM_REG(2048, 11); | |
7366 LDM_REG(4096, 12); | |
7367 } | |
7368 | |
7369 if (armMode != 0x10 && armMode != 0x1f) | |
7370 { | |
7371 LDM_REG(8192, R13_USR); | |
7372 LDM_REG(16384, R14_USR); | |
7373 } | |
7374 else | |
7375 { | |
7376 LDM_REG(8192, 13); | |
7377 LDM_REG(16384, 14); | |
7378 } | |
7379 | |
7380 if (!(opcode & (1 << base))) | |
7381 reg[base].I = temp; | |
7382 } | |
7383 } | |
7384 break; | |
7385 CASE_256(0xa00) | |
7386 { | |
7387 // B <offset> | |
7388 clockTicks += 3; | |
7389 int offset = opcode & 0x00FFFFFF; | |
7390 if (offset & 0x00800000) | |
7391 { | |
7392 offset |= 0xFF000000; | |
7393 } | |
7394 offset <<= 2; | |
7395 reg[15].I += offset; | |
7396 armNextPC = reg[15].I; | |
7397 reg[15].I += 4; | |
7398 } | |
7399 break; | |
7400 CASE_256(0xb00) | |
7401 { | |
7402 // BL <offset> | |
7403 clockTicks += 3; | |
7404 int offset = opcode & 0x00FFFFFF; | |
7405 if (offset & 0x00800000) | |
7406 { | |
7407 offset |= 0xFF000000; | |
7408 } | |
7409 offset <<= 2; | |
7410 reg[14].I = reg[15].I - 4; | |
7411 reg[15].I += offset; | |
7412 armNextPC = reg[15].I; | |
7413 reg[15].I += 4; | |
7414 } | |
7415 break; | |
7416 CASE_256(0xf00) | |
7417 // SWI <comment> | |
7418 clockTicks += 3; | |
7419 CPUSoftwareInterrupt(opcode & 0x00FFFFFF); | |
7420 break; | |
7421 #ifdef GP_SUPPORT | |
7422 case 0xe11: | |
7423 case 0xe13: | |
7424 case 0xe15: | |
7425 case 0xe17: | |
7426 case 0xe19: | |
7427 case 0xe1b: | |
7428 case 0xe1d: | |
7429 case 0xe1f: | |
7430 // MRC | |
7431 break; | |
7432 case 0xe01: | |
7433 case 0xe03: | |
7434 case 0xe05: | |
7435 case 0xe07: | |
7436 case 0xe09: | |
7437 case 0xe0b: | |
7438 case 0xe0d: | |
7439 case 0xe0f: | |
7440 // MRC | |
7441 break; | |
7442 #endif | |
7443 default: | |
7444 #ifdef GBA_LOGGING | |
7445 if (systemVerbose & VERBOSE_UNDEFINED) | |
7446 log("Undefined ARM instruction %08x at %08x\n", opcode, | |
7447 armNextPC - 4); | |
7448 #endif | |
7449 CPUUndefinedException(); | |
7450 break; | |
7451 // END | |
7452 } | |
7453 } |