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d45a4bef JB |
1 | /* r8c.opc --- semantics for r8c opcodes. -*- mode: c -*- |
2 | ||
e4d013fc | 3 | Copyright (C) 2005, 2007, 2008, 2009 Free Software Foundation, Inc. |
d45a4bef JB |
4 | Contributed by Red Hat, Inc. |
5 | ||
6 | This file is part of the GNU simulators. | |
7 | ||
4744ac1b JB |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
d45a4bef | 12 | |
4744ac1b JB |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
d45a4bef JB |
17 | |
18 | You should have received a copy of the GNU General Public License | |
4744ac1b | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
d45a4bef JB |
20 | |
21 | ||
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | ||
25 | #include "cpu.h" | |
26 | #include "mem.h" | |
27 | #include "misc.h" | |
28 | #include "int.h" | |
29 | ||
30 | #define AU __attribute__((unused)) | |
31 | ||
32 | #define tprintf if (trace) printf | |
33 | ||
34 | static unsigned char | |
35 | getbyte () | |
36 | { | |
37 | int tsave = trace; | |
38 | unsigned char b; | |
39 | ||
40 | if (trace == 1) | |
41 | trace = 0; | |
42 | b = mem_get_pc (); | |
43 | regs.r_pc ++; | |
44 | trace = tsave; | |
45 | return b; | |
46 | } | |
47 | ||
48 | #define M16C_ONLY() /* FIXME: add something here */ | |
49 | ||
50 | #define GETBYTE() (op[opi++] = getbyte()) | |
51 | ||
52 | #define UNSUPPORTED() unsupported("unsupported", orig_pc) | |
53 | #define NOTYET() unsupported("unimplemented", orig_pc) | |
54 | ||
55 | static void | |
56 | unsupported (char *tag, int orig_pc) | |
57 | { | |
58 | int i; | |
59 | printf("%s opcode at %08x\n", tag, orig_pc); | |
60 | regs.r_pc = orig_pc; | |
61 | for (i=0; i<2; i++) | |
62 | { | |
63 | int b = mem_get_pc(); | |
64 | printf(" %s", bits(b>>4, 4)); | |
65 | printf(" %s", bits(b, 4)); | |
66 | regs.r_pc ++; | |
67 | } | |
68 | printf("\n"); | |
69 | regs.r_pc = orig_pc; | |
70 | for (i=0; i<6; i++) | |
71 | { | |
72 | printf(" %02x", mem_get_pc ()); | |
73 | regs.r_pc ++; | |
74 | } | |
75 | printf("\n"); | |
76 | exit(1); | |
77 | } | |
78 | ||
79 | static int | |
80 | IMM(bw) | |
81 | { | |
82 | int rv = getbyte (); | |
83 | if (bw) | |
84 | rv = rv + 256 * getbyte(); | |
85 | if (bw == 2) | |
86 | rv = rv + 65536 * getbyte(); | |
87 | return rv; | |
88 | } | |
89 | ||
90 | #define IMM4() (immm >= 8 ? 7 - immm : immm + 1) | |
91 | ||
92 | #define UNARY_SOP \ | |
93 | dc = decode_srcdest4 (dest, w); \ | |
94 | v = sign_ext (get_src (dc), w?16:8); | |
95 | ||
96 | #define UNARY_UOP \ | |
97 | dc = decode_srcdest4 (dest, w); \ | |
98 | v = get_src (dc); | |
99 | ||
100 | #define BINARY_SOP \ | |
101 | sc = decode_srcdest4 (srcx, w); \ | |
102 | dc = decode_srcdest4 (dest, w); \ | |
103 | a = sign_ext (get_src (sc), w?16:8); \ | |
104 | b = sign_ext (get_src (dc), w?16:8); | |
105 | ||
106 | #define BINARY_UOP \ | |
107 | sc = decode_srcdest4 (srcx, w); \ | |
108 | dc = decode_srcdest4 (dest, w); \ | |
109 | a = get_src (sc); \ | |
110 | b = get_src (dc); | |
111 | ||
112 | #define carry (FLAG_C ? 1 : 0) | |
113 | ||
114 | static void | |
115 | cmp (int d, int s, int w) | |
116 | { | |
117 | int a, b, f=0; | |
118 | int mask = w ? 0xffff : 0xff; | |
119 | a = d - s; | |
120 | b = sign_ext (d, w?16:8) - sign_ext (s, w?16:8); | |
121 | tprintf ("cmp: %x - %x = %08x, %x - %x = %d\n", | |
122 | d, s, a, | |
123 | sign_ext(d,w?16:8), sign_ext(s,w?16:8), b); | |
124 | ||
125 | if (b == 0) | |
126 | f |= FLAGBIT_Z; | |
127 | if (b & (w ? 0x8000 : 0x80)) | |
128 | f |= FLAGBIT_S; | |
129 | if ((d & mask) >= (s & mask)) | |
130 | f |= FLAGBIT_C; | |
131 | if (b < (w ? -32768 : -128) || b > (w ? 32767 : 127)) | |
132 | f |= FLAGBIT_O; | |
133 | ||
134 | set_flags (FLAGBIT_Z | FLAGBIT_S | FLAGBIT_O | FLAGBIT_C, f); | |
135 | } | |
136 | ||
137 | static void | |
138 | div_op (int s, int u, int x, int w) | |
139 | { | |
140 | srcdest sc; | |
141 | int v, a, b; | |
142 | ||
143 | if (s == -1) | |
144 | s = IMM(w); | |
145 | else | |
146 | { | |
147 | sc = decode_srcdest4 (s, w); | |
148 | s = get_src (sc); | |
149 | } | |
150 | ||
151 | v = get_reg (w ? r2r0 : r0); | |
152 | ||
153 | if (!u) | |
154 | { | |
155 | s = sign_ext (s, w ? 16 : 8); | |
156 | v = sign_ext (v, w ? 16 : 8); | |
157 | } | |
158 | ||
159 | if (s == 0) | |
160 | { | |
161 | set_flags (FLAGBIT_O, FLAGBIT_O); | |
162 | return; | |
163 | } | |
164 | ||
165 | if (u) | |
166 | { | |
167 | a = (unsigned int)v / (unsigned int)s; | |
168 | b = (unsigned int)v % (unsigned int)s; | |
169 | } | |
170 | else | |
171 | { | |
172 | a = v / s; | |
173 | b = v % s; | |
174 | } | |
175 | if (x) | |
176 | { | |
177 | if ((s > 0 && b < 0) | |
178 | || (s < 0 && b > 0)) | |
179 | { | |
180 | a --; | |
181 | b += s; | |
182 | } | |
183 | } | |
184 | tprintf ("%d / %d = %d rem %d\n", v, s, a, b); | |
185 | if ((!u && (a > (w ? 32767 : 127) | |
186 | || a < (w ? -32768 : -129))) | |
187 | || (u && (a > (w ? 65536 : 255)))) | |
188 | set_flags (FLAGBIT_O, FLAGBIT_O); | |
189 | else | |
190 | set_flags (FLAGBIT_O, 0); | |
191 | ||
192 | put_reg (w ? r0 : r0l, a); | |
193 | put_reg (w ? r2 : r0h, b); | |
194 | } | |
195 | ||
196 | static void | |
197 | rot_op (srcdest sd, int rotc, int count) | |
198 | { | |
199 | int mask = (sd.bytes == 2) ? 0xffff : 0xff; | |
200 | int msb = (sd.bytes == 2) ? 0x8000 : 0x80; | |
201 | int v = get_src (sd); | |
202 | int c = carry, ct; | |
203 | ||
204 | tprintf("%s %x by %d\n", rotc ? "rotc" : "rot", v, count); | |
205 | tprintf (": %s %d\n", bits(v, 8*sd.bytes), c); | |
206 | while (count > 0) | |
207 | { | |
208 | ct = (v & msb) ? 1 : 0; | |
209 | v <<= 1; | |
210 | v |= rotc ? c : ct; | |
211 | v &= mask; | |
212 | c = ct; | |
213 | tprintf (": %s %d\n", bits(v, 8*sd.bytes), c); | |
214 | count --; | |
215 | } | |
216 | while (count < 0) | |
217 | { | |
218 | ct = v & 1; | |
219 | v >>= 1; | |
220 | v |= (rotc ? c : ct) * msb; | |
221 | c = ct; | |
222 | tprintf (": %s %d\n", bits(v, 8*sd.bytes), c); | |
223 | count ++; | |
224 | } | |
225 | put_dest (sd, v); | |
226 | set_szc (v, sd.bytes, c); | |
227 | } | |
228 | ||
229 | static void | |
230 | shift_op (srcdest sd, int arith, int count) | |
231 | { | |
232 | int mask = (sd.bytes == 2) ? 0xffff : 0xff; | |
233 | int msb = (sd.bytes == 2) ? 0x8000 : 0x80; | |
234 | int v = get_src (sd); | |
235 | int c = 0; | |
236 | ||
237 | if (sd.bytes == 4) | |
238 | { | |
239 | mask = 0xffffffffU; | |
240 | msb = 0x80000000U; | |
727b6b4b DD |
241 | if (count > 16 || count < -16) |
242 | { | |
243 | fprintf(stderr, "Error: SI shift of %d undefined\n", count); | |
244 | exit(1); | |
245 | } | |
246 | if (count > 16) | |
247 | count = (count - 1) % 16 + 1; | |
248 | if (count < -16) | |
249 | count = -((-count - 1) % 16 + 1); | |
d45a4bef JB |
250 | } |
251 | ||
252 | tprintf("%s %x by %d\n", arith ? "sha" : "shl", v, count); | |
253 | tprintf (": %s %d\n", bits(v, 8*sd.bytes), c); | |
254 | while (count > 0) | |
255 | { | |
256 | c = (v & msb) ? 1 : 0; | |
257 | v <<= 1; | |
258 | v &= mask; | |
259 | tprintf (": %s %d\n", bits(v, 8*sd.bytes), c); | |
260 | count --; | |
261 | } | |
262 | while (count < 0) | |
263 | { | |
264 | c = v & 1; | |
265 | if (arith) | |
266 | v = (v & msb) | (v >> 1); | |
267 | else | |
268 | v = (v >> 1) & (msb - 1); | |
269 | tprintf (": %s %d\n", bits(v, 8*sd.bytes), c); | |
270 | count ++; | |
271 | } | |
272 | put_dest (sd, v); | |
273 | set_szc (v, sd.bytes, c); | |
274 | } | |
275 | ||
276 | #define MATH_OP(dc,s,c,op,carryrel) \ | |
277 | a = get_src(dc); \ | |
278 | b = s & b2mask[dc.bytes]; \ | |
279 | v2 = a op b op c; \ | |
280 | tprintf("0x%x " #op " 0x%x " #op " 0x%x = 0x%x\n", a, b, c, v2); \ | |
281 | a = sign_ext (a, dc.bytes * 8); \ | |
282 | b = sign_ext (s, dc.bytes * 8); \ | |
283 | v = a op b op c; \ | |
284 | tprintf("%d " #op " %d " #op " %d = %d\n", a, b, c, v); \ | |
285 | set_oszc (v, dc.bytes, v2 carryrel); \ | |
286 | put_dest (dc, v2); | |
287 | ||
288 | #define BIT_OP(field,expr) \ | |
289 | dc = decode_bit (field); \ | |
290 | b = get_bit (dc); \ | |
291 | v = expr; \ | |
292 | tprintf ("b=%d, carry=%d, %s = %d\n", b, carry, #expr, v); \ | |
293 | put_bit (dc, v); | |
294 | ||
295 | #define BIT_OPC(field,expr) \ | |
296 | dc = decode_bit (field); \ | |
297 | b = get_bit (dc); \ | |
298 | v = expr; \ | |
299 | tprintf ("b=%d, carry=%d, %s = %d\n", b, carry, #expr, v); \ | |
300 | set_c (v); | |
301 | ||
727b6b4b DD |
302 | /* The "BMcnd dest" opcode uses a different encoding for the */ |
303 | /* condition than other opcodes. */ | |
304 | static int bmcnd_cond_map[] = { | |
305 | 0, 1, 2, 3, 8, 9, 10, 11, 4, 5, 6, 7, 12, 13, 14, 15 | |
306 | }; | |
307 | ||
d45a4bef JB |
308 | int |
309 | decode_r8c() | |
310 | { | |
311 | unsigned char op[40]; | |
312 | int opi = 0; | |
313 | int v, v2, a, b; | |
314 | int orig_pc = get_reg (pc); | |
315 | srcdest sc, dc; | |
316 | int imm; | |
317 | ||
318 | step_result = M32C_MAKE_STEPPED (); | |
319 | ||
320 | tprintf("trace: decode pc = %05x\n", orig_pc); | |
321 | ||
322 | /** VARY dst 011 100 101 110 111 */ | |
323 | ||
324 | /** 0111 011w 1111 dest ABS.size dest */ | |
325 | ||
326 | UNARY_SOP; | |
327 | a = v<0 ? -v : v; | |
328 | tprintf("abs(%d) = %d\n", v, a); | |
329 | set_osz(a, w+1); | |
330 | put_dest (dc, a); | |
331 | ||
332 | /** 0111 011w 0110 dest ADC.size #IMM,dest */ | |
333 | ||
334 | dc = decode_srcdest4(dest, w); | |
335 | imm = IMM(w); | |
336 | MATH_OP (dc, imm, carry, +, > (w?0xffff:0xff)); | |
337 | ||
338 | /** 1011 000w srcx dest ADC.size src,dest */ | |
339 | ||
340 | sc = decode_srcdest4(srcx, w); | |
341 | dc = decode_srcdest4(dest, w); | |
342 | b = get_src (sc); | |
343 | MATH_OP (dc, b, carry, +, > (w?0xffff:0xff)); | |
344 | ||
345 | /** 0111 011w 1110 dest ADCF.size dest */ | |
346 | ||
347 | dc = decode_srcdest4(dest, w); | |
348 | MATH_OP (dc, 0, carry, +, > (w?0xffff:0xff)); | |
349 | ||
350 | /** 0111 011w 0100 dest ADD.size:G #imm,dest */ | |
351 | ||
352 | dc = decode_srcdest4(dest, w); | |
353 | imm = IMM(w); | |
354 | MATH_OP (dc, imm, 0, +, > (w?0xffff:0xff)); | |
355 | ||
356 | /** 1100 100w immm dest ADD.size:Q #IMM,dest */ | |
357 | ||
358 | dc = decode_srcdest4(dest, w); | |
359 | imm = sign_ext (immm, 4); | |
360 | MATH_OP (dc, imm, 0, +, > (w?0xffff:0xff)); | |
361 | ||
362 | /** 1000 0dst ADD.B:S #IMM8,dst */ | |
363 | ||
364 | imm = IMM(0); | |
365 | dc = decode_dest3 (dst, 0); | |
366 | MATH_OP (dc, imm, 0, +, > 0xff); | |
367 | ||
368 | /** 1010 000w srcx dest ADD.size:G src,dest */ | |
369 | ||
370 | sc = decode_srcdest4(srcx, w); | |
371 | dc = decode_srcdest4(dest, w); | |
372 | b = get_src (sc); | |
373 | MATH_OP (dc, b, 0, +, > (w?0xffff:0xff)); | |
374 | ||
375 | /** 0010 0d sr ADD.B:S src,R0L/R0H */ | |
376 | ||
377 | sc = decode_src2 (sr, 0, d); | |
378 | dc = decode_dest1 (d, 0); | |
379 | b = get_src (sc); | |
380 | MATH_OP (dc, b, 0, +, > 0xff); | |
381 | ||
382 | /** 0111 110w 1110 1011 ADD.size:G #IMM,sp */ | |
383 | ||
384 | dc = reg_sd (sp); | |
385 | imm = sign_ext (IMM(w), w?16:8); | |
386 | MATH_OP (dc, imm, 0, +, > 0xffff); | |
387 | ||
388 | /** 0111 1101 1011 immm ADD.size:Q #IMM,sp */ | |
389 | ||
390 | dc = reg_sd (sp); | |
391 | imm = sign_ext (immm, 4); | |
392 | MATH_OP (dc, imm, 0, +, > 0xffff); | |
393 | ||
394 | /** 1111 100w immm dest ADJNZ.size #IMM,dest,label */ | |
395 | ||
396 | UNARY_UOP; | |
397 | imm = sign_ext(immm, 4); | |
398 | tprintf("%x + %d = %x\n", v, imm, v+imm); | |
399 | v += imm; | |
400 | put_dest (dc, v); | |
401 | a = sign_ext (IMM(0), 8); | |
402 | if ((v & (w ? 0xffff : 0xff)) != 0) | |
403 | { | |
404 | tprintf("jmp: %x + 2 + %d = ", get_reg (pc), a); | |
405 | put_reg (pc, orig_pc + 2 + a); | |
406 | tprintf("%x\n", get_reg (pc)); | |
407 | } | |
408 | ||
409 | /** 0111 011w 0010 dest AND.size:G #IMM,dest */ | |
410 | ||
411 | UNARY_UOP; | |
412 | imm = IMM(w); | |
413 | tprintf ("%x & %x = %x\n", v, imm, v & imm); | |
414 | v &= imm; | |
415 | set_sz (v, w+1); | |
416 | put_dest (dc, v); | |
417 | ||
418 | /** 1001 0dst AND.B:S #IMM8,dest */ | |
419 | ||
420 | imm = IMM(0); | |
421 | dc = decode_dest3 (dst, 0); | |
422 | v = get_src (dc); | |
423 | tprintf("%x & %x = %x\n", v, imm, v & imm); | |
424 | v &= imm; | |
425 | set_sz (v, 1); | |
426 | put_dest (dc, v); | |
427 | ||
428 | /** 1001 000w srcx dest AND.size:G src.dest */ | |
429 | ||
430 | BINARY_UOP; | |
431 | tprintf ("%x & %x = %x\n", a, b, a & b); | |
432 | v = a & b; | |
433 | set_sz (v, w+1); | |
434 | put_dest (dc, v); | |
435 | ||
436 | /** 0001 0d sr AND.B:S src,R0L/R0H */ | |
437 | ||
438 | sc = decode_src2 (sr, 0, d); | |
439 | dc = decode_dest1 (d, 0); | |
440 | a = get_src (sc); | |
441 | b = get_src (dc); | |
442 | v = a & b; | |
443 | tprintf("%x & %x = %x\n", a, b, v); | |
444 | set_sz (v, 1); | |
445 | put_dest (dc, v); | |
446 | ||
447 | /** 0111 1110 0100 srcx BAND src */ | |
448 | ||
449 | BIT_OPC (srcx, b & carry); | |
450 | ||
451 | /** 0111 1110 1000 dest BCLR:G dest */ | |
452 | ||
453 | dc = decode_bit (dest); | |
454 | put_bit (dc, 0); | |
455 | ||
456 | /** 0100 0bit BCLR:S bit,base:11[SB] */ | |
457 | ||
458 | dc = decode_bit11 (bit); | |
459 | put_bit (dc, 0); | |
460 | ||
461 | /** 0111 1110 0010 dest BMcnd dest */ | |
462 | ||
463 | dc = decode_bit (dest); | |
727b6b4b | 464 | if (condition_true (bmcnd_cond_map [IMM (0) & 15])) |
d45a4bef JB |
465 | put_bit (dc, 1); |
466 | else | |
467 | put_bit (dc, 0); | |
468 | ||
469 | /** 0111 1101 1101 cond BMcnd C */ | |
470 | ||
471 | if (condition_true (cond)) | |
472 | set_c (1); | |
473 | else | |
474 | set_c (0); | |
475 | ||
476 | /** 0111 1110 0101 srcx BNAND src */ | |
477 | ||
ed25d732 | 478 | BIT_OPC (srcx, (!b) & carry); |
d45a4bef JB |
479 | |
480 | /** 0111 1110 0111 srcx BNOR src */ | |
481 | ||
ed25d732 | 482 | BIT_OPC (srcx, (!b) | carry); |
d45a4bef JB |
483 | |
484 | /** 0111 1110 1010 dest BNOT:G dest */ | |
485 | ||
486 | BIT_OP (dest, !b); | |
487 | ||
488 | /** 0101 0bit BNOT:S bit,base:11[SB] */ | |
489 | ||
490 | dc = decode_bit11 (bit); | |
491 | put_bit (dc, !get_bit (dc)); | |
492 | ||
493 | /** 0111 1110 0011 srcx BNTST src */ | |
494 | ||
495 | dc = decode_bit (srcx); | |
496 | b = get_bit (dc); | |
497 | set_zc (!b, !b); | |
498 | ||
499 | /** 0111 1110 1101 srcx BNXOR src */ | |
500 | ||
501 | BIT_OPC (srcx, !b ^ carry); | |
502 | ||
503 | /** 0111 1110 0110 srcx BOR src */ | |
504 | ||
505 | BIT_OPC (srcx, b | carry); | |
506 | ||
507 | /** 0000 0000 BRK */ | |
508 | ||
509 | /* We report the break to our caller with the PC still pointing at the | |
510 | breakpoint instruction. */ | |
511 | put_reg (pc, orig_pc); | |
512 | if (verbose) | |
513 | printf("[break]\n"); | |
514 | return M32C_MAKE_HIT_BREAK (); | |
515 | ||
516 | /** 0111 1110 1001 dest BSET:G dest */ | |
517 | ||
518 | dc = decode_bit (dest); | |
519 | put_bit (dc, 1); | |
520 | ||
521 | /** 0100 1bit BSET:S bit,base:11[SB] */ | |
522 | ||
523 | dc = decode_bit11 (bit); | |
524 | put_bit (dc, 1); | |
525 | ||
526 | /** 0111 1110 1011 srcx BTST:G src */ | |
527 | ||
528 | dc = decode_bit (srcx); | |
529 | b = get_bit (dc); | |
530 | set_zc (!b, b); | |
531 | ||
532 | /** 0101 1bit BTST:S bit,base:11[SB] */ | |
533 | ||
534 | dc = decode_bit11 (bit); | |
535 | b = get_bit (dc); | |
536 | set_zc (!b, b); | |
537 | ||
538 | /** 0111 1110 0000 dest BTSTC dest */ | |
539 | ||
540 | dc = decode_bit (dest); | |
541 | b = get_bit (dc); | |
542 | set_zc (!b, b); | |
543 | put_bit (dc, 0); | |
544 | ||
545 | /** 0111 1110 0001 dest BTSTS dest */ | |
546 | ||
547 | dc = decode_bit (dest); | |
548 | b = get_bit (dc); | |
549 | set_zc (!b, b); | |
550 | put_bit (dc, 1); | |
551 | ||
552 | /** 0111 1110 1100 srcx BXOR src */ | |
553 | ||
554 | BIT_OPC (srcx, b ^ carry); | |
555 | ||
556 | /** 0111 011w 1000 dest CMP.size:G #IMM,dest */ | |
557 | ||
558 | UNARY_UOP; | |
559 | imm = IMM(w); | |
560 | cmp (v, imm, w); | |
561 | ||
562 | /** 1101 000w immm dest CMP.size:Q #IMM,dest */ | |
563 | ||
564 | UNARY_UOP; | |
565 | immm = sign_ext (immm, 4); | |
566 | cmp (v, immm, w); | |
567 | ||
568 | /** 1110 0dst CMP.B:S #IMM8,dest */ | |
569 | ||
570 | imm = IMM(0); | |
571 | dc = decode_dest3 (dst, 0); | |
572 | v = get_src (dc); | |
573 | cmp (v, imm, 0); | |
574 | ||
575 | /** 1100 000w srcx dest CMP.size:G src,dest */ | |
576 | ||
577 | BINARY_UOP; | |
578 | cmp(b, a, w); | |
579 | ||
580 | /** 0011 1d sr CMP.B:S src,R0L/R0H */ | |
581 | ||
582 | sc = decode_src2 (sr, 0, d); | |
583 | dc = decode_dest1 (d, 0); | |
584 | a = get_src (sc); | |
585 | b = get_src (dc); | |
586 | cmp (b, a, 0); | |
587 | ||
588 | /** 0111 110w 1110 i1c s DADC,DADD,DSBB,DSUB */ | |
589 | ||
590 | /* w = width, i = immediate, c = carry, s = subtract */ | |
591 | ||
592 | int src = i ? IMM(w) : get_reg (w ? r1 : r0h); | |
593 | int dest = get_reg (w ? r0 : r0l); | |
594 | int res; | |
595 | ||
596 | src = bcd2int(src, w); | |
597 | dest = bcd2int(dest, w); | |
598 | ||
599 | tprintf("decimal: %d %s %d", dest, s?"-":"+", src); | |
600 | if (c) | |
601 | tprintf(" c=%d", carry); | |
602 | ||
603 | if (!s) | |
604 | { | |
605 | res = dest + src; | |
606 | if (c) | |
607 | res += carry; | |
608 | c = res > (w ? 9999 : 99); | |
609 | } | |
610 | else | |
611 | { | |
612 | res = dest - src; | |
613 | if (c) | |
614 | res -= (1-carry); | |
615 | c = res >= 0; | |
616 | if (res < 0) | |
617 | res += w ? 10000 : 100; | |
618 | } | |
619 | ||
620 | res = int2bcd (res, w); | |
621 | tprintf(" = %x\n", res); | |
622 | ||
623 | set_szc (res, w+1, c); | |
624 | ||
625 | put_reg (w ? r0 : r0l, res); | |
626 | ||
627 | /** 1010 1dst DEC.B dest */ | |
628 | ||
629 | dc = decode_dest3 (dst, 0); | |
630 | v = get_src (dc); | |
631 | tprintf("%x -- = %x\n", v, v-1); | |
632 | v --; | |
633 | set_sz (v, 1); | |
634 | put_dest (dc, v); | |
635 | ||
636 | /** 1111 d010 DEC.W dest */ | |
637 | ||
638 | v = get_reg (d ? a1 : a0); | |
639 | tprintf("%x -- = %x\n", v, v-1); | |
640 | v --; | |
641 | set_sz (v, 2); | |
642 | put_reg (d ? a1 : a0, v); | |
643 | ||
644 | /** 0111 110w 1110 0001 DIV.size #IMM */ | |
645 | ||
646 | div_op (-1, 0, 0, w); | |
647 | ||
648 | /** 0111 011w 1101 srcx DIV.size src */ | |
649 | ||
650 | div_op (srcx, 0, 0, w); | |
651 | ||
652 | /** 0111 110w 1110 0000 DIVU.size #IMM */ | |
653 | ||
654 | div_op (-1, 1, 0, w); | |
655 | ||
656 | /** 0111 011w 1100 srcx DIVU.size src */ | |
657 | ||
658 | div_op (srcx, 1, 0, w); | |
659 | ||
660 | /** 0111 110w 1110 0011 DIVX.size #IMM */ | |
661 | ||
662 | div_op (-1, 0, 1, w); | |
663 | ||
664 | /** 0111 011w 1001 srcx DIVX.size src */ | |
665 | ||
666 | div_op (srcx, 0, 1, w); | |
667 | ||
668 | /** 0111 1100 1111 0010 ENTER #IMM8 */ | |
669 | ||
670 | imm = IMM(0); | |
671 | put_reg (sp, get_reg (sp) - 2); | |
672 | mem_put_hi (get_reg (sp), get_reg (fb)); | |
673 | put_reg (fb, get_reg (sp)); | |
674 | put_reg (sp, get_reg (sp) - imm); | |
675 | ||
676 | /** 0111 1101 1111 0010 EXITD */ | |
677 | ||
678 | put_reg (sp, get_reg (fb)); | |
679 | put_reg (fb, mem_get_hi (get_reg (sp))); | |
680 | put_reg (sp, get_reg (sp) + 2); | |
681 | put_reg (pc, mem_get_psi (get_reg (sp))); | |
682 | put_reg (sp, get_reg (sp) + 3); | |
683 | ||
684 | /** 0111 1100 0110 dest EXTS.B dest */ | |
685 | ||
686 | dc = decode_srcdest4 (dest, 0); | |
687 | v = sign_ext (get_src (dc), 8); | |
688 | dc = widen_sd (dc); | |
689 | put_dest (dc, v); | |
690 | set_sz (v, 1); | |
691 | ||
692 | /** 0111 1100 1111 0011 EXTS.W R0 */ | |
693 | ||
694 | v = sign_ext (get_reg (r0), 16); | |
695 | put_reg (r2r0, v); | |
696 | set_sz (v, 2); | |
697 | ||
698 | /** 1110 1011 0flg 0101 FCLR dest */ | |
699 | ||
700 | set_flags (1 << flg, 0); | |
701 | ||
702 | /** 1110 1011 0flg 0100 FSET dest */ | |
703 | ||
704 | set_flags (1 << flg, 1 << flg); | |
705 | ||
706 | /** 1010 0dst INC.B dest */ | |
707 | ||
708 | dc = decode_dest3 (dst, 0); | |
709 | v = get_src (dc); | |
710 | tprintf("%x ++ = %x\n", v, v+1); | |
711 | v ++; | |
712 | set_sz (v, 1); | |
713 | put_dest (dc, v); | |
714 | ||
715 | /** 1011 d010 INC.W dest */ | |
716 | ||
717 | v = get_reg (d ? a1 : a0); | |
718 | tprintf("%x ++ = %x\n", v, v+1); | |
719 | v ++; | |
720 | set_sz (v, 2); | |
721 | put_reg (d ? a1 : a0, v); | |
722 | ||
723 | /** 1110 1011 11vector INT #imm */ | |
724 | ||
725 | trigger_based_interrupt (vector); | |
726 | ||
727 | /** 1111 0110 INTO */ | |
728 | ||
729 | if (FLAG_O) | |
730 | trigger_fixed_interrupt (0xffe0); | |
731 | ||
732 | /** 0110 1cnd Jcnd label */ | |
733 | ||
734 | v = sign_ext (IMM(0), 8); | |
735 | if (condition_true (cnd)) | |
736 | put_reg (pc, orig_pc + 1 + v); | |
737 | ||
738 | /** 0111 1101 1100 cond Jcnd label */ | |
739 | ||
740 | v = sign_ext (IMM(0), 8); | |
741 | if (condition_true (cond)) | |
742 | put_reg (pc, orig_pc + 2 + v); | |
743 | ||
744 | /** 0110 0dsp JMP.S label */ | |
745 | ||
746 | put_reg (pc, orig_pc + 2 + dsp); | |
747 | ||
748 | /** 1111 1110 JMP.B label */ | |
749 | ||
750 | imm = sign_ext (IMM(0), 8); | |
751 | if (imm == -1) | |
752 | { | |
753 | if (verbose) | |
754 | printf("[jmp-to-self detected as exit]\n"); | |
755 | return M32C_MAKE_HIT_BREAK (); | |
756 | } | |
757 | put_reg (pc, orig_pc + 1 + imm); | |
758 | ||
759 | /** 1111 0100 JMP.W label */ | |
760 | ||
761 | imm = sign_ext (IMM(1), 16); | |
762 | put_reg (pc, orig_pc + 1 + imm); | |
763 | ||
764 | /** 1111 1100 JMP.A label */ | |
765 | ||
766 | imm = IMM(2); | |
767 | put_reg (pc, imm); | |
768 | ||
769 | /** 0111 1101 0010 srcx JMPI.W src */ | |
770 | ||
771 | sc = decode_jumpdest (srcx, 1); | |
772 | a = get_src (sc); | |
773 | a = sign_ext (a, 16); | |
774 | put_reg (pc, orig_pc + a); | |
775 | ||
776 | /** 0111 1101 0000 srcx JMPI.A src */ | |
777 | ||
778 | sc = decode_jumpdest (srcx, 0); | |
779 | a = get_src (sc); | |
780 | put_reg (pc, a); | |
781 | ||
782 | /** 1110 1110 JMPS #IMM8 */ | |
783 | ||
784 | M16C_ONLY(); | |
785 | ||
786 | imm = IMM(0); | |
787 | a = 0xf0000 + mem_get_hi (0xffffe - imm * 2); | |
788 | put_reg (pc, a); | |
789 | ||
790 | /** 1111 0101 JSR.W label */ | |
791 | ||
792 | imm = sign_ext (IMM(1), 16); | |
793 | put_reg (sp, get_reg (sp) - 3); | |
794 | mem_put_psi (get_reg (sp), get_reg (pc)); | |
795 | put_reg (pc, orig_pc + imm + 1); | |
796 | ||
797 | /** 1111 1101 JSR.A label */ | |
798 | ||
799 | imm = IMM(2); | |
800 | put_reg (sp, get_reg (sp) - 3); | |
801 | mem_put_psi (get_reg (sp), get_reg (pc)); | |
802 | put_reg (pc, imm); | |
803 | ||
804 | /** 0111 1101 0011 srcx JSRI.W src */ | |
805 | ||
806 | sc = decode_jumpdest (srcx, 1); | |
807 | a = get_src (sc); | |
808 | a = sign_ext (a, 16); | |
809 | ||
810 | put_reg (sp, get_reg (sp) - 3); | |
811 | mem_put_psi (get_reg (sp), get_reg (pc)); | |
812 | put_reg (pc, orig_pc + a); | |
813 | ||
814 | /** 0111 1101 0001 srcx JSRI.A src */ | |
815 | ||
816 | sc = decode_jumpdest (srcx, 0); | |
817 | a = get_src (sc); | |
818 | ||
819 | put_reg (sp, get_reg (sp) - 3); | |
820 | mem_put_psi (get_reg (sp), get_reg (pc)); | |
821 | put_reg (pc, a); | |
822 | ||
823 | /** 1110 1111 JSRS #IMM8 */ | |
824 | ||
825 | M16C_ONLY(); | |
826 | ||
827 | imm = IMM(0); | |
828 | a = 0xf0000 + mem_get_hi (0xffffe - imm * 2); | |
829 | ||
830 | put_reg (sp, get_reg (sp) - 3); | |
831 | mem_put_psi (get_reg (sp), get_reg (pc)); | |
832 | put_reg (pc, a); | |
833 | ||
834 | /** 1110 1011 0reg 0000 LDC #IMM16,dest */ | |
835 | ||
836 | dc = decode_cr (reg); | |
837 | imm = IMM(1); | |
838 | put_dest (dc, imm); | |
839 | ||
840 | /** 0111 1010 1reg srcx LDC src,dest */ | |
841 | ||
842 | dc = decode_cr (reg); | |
843 | sc = decode_srcdest4 (srcx,1); | |
844 | put_dest (dc, get_src (sc)); | |
845 | ||
846 | /** 0111 1100 1111 0000 LDCTX abs16,abs20 */ | |
847 | ||
848 | NOTYET(); | |
849 | ||
850 | /** 0111 010w 1000 dest LDE.size abs20,dest */ | |
851 | ||
852 | dc = decode_srcdest4 (dest, w); | |
853 | imm = IMM(2); | |
854 | if (w) | |
855 | v = mem_get_hi (imm); | |
856 | else | |
857 | v = mem_get_qi (imm); | |
858 | put_dest (dc, v); | |
859 | ||
860 | /** 0111 010w 1001 dest LDE.size dsp:20[a0], dest */ | |
861 | ||
862 | dc = decode_srcdest4 (dest, w); | |
863 | imm = IMM(2) + get_reg (a0); | |
864 | if (w) | |
865 | v = mem_get_hi (imm); | |
866 | else | |
867 | v = mem_get_qi (imm); | |
868 | put_dest (dc, v); | |
869 | ||
870 | /** 0111 010w 1010 dest LDE.size [a1a0],dest */ | |
871 | ||
872 | dc = decode_srcdest4 (dest, w); | |
873 | imm = get_reg (a1a0); | |
874 | if (w) | |
875 | v = mem_get_hi (imm); | |
876 | else | |
877 | v = mem_get_qi (imm); | |
878 | put_dest (dc, v); | |
879 | ||
880 | /** 0111 1101 1010 0imm LDIPL #IMM */ | |
881 | ||
882 | set_flags (0x700, imm*0x100); | |
883 | ||
884 | /** 0111 010w 1100 dest MOV.size:G #IMM,dest */ | |
885 | ||
f4f21c20 | 886 | dc = decode_srcdest4 (dest, w); |
d45a4bef JB |
887 | imm = IMM(w); |
888 | v = imm; | |
889 | tprintf("%x = %x\n", v, v); | |
890 | set_sz(v, w+1); | |
891 | put_dest (dc, v); | |
892 | ||
893 | /** 1101 100w immm dest MOV.size:Q #IMM,dest */ | |
894 | ||
f4f21c20 | 895 | dc = decode_srcdest4 (dest, w); |
d45a4bef JB |
896 | v = sign_ext (immm, 4); |
897 | tprintf ("%x = %x\n", v, v); | |
898 | set_sz (v, w+1); | |
899 | put_dest (dc, v); | |
900 | ||
901 | /** 1100 0dst MOV.B:S #IMM8,dest */ | |
902 | ||
903 | imm = IMM(0); | |
904 | dc = decode_dest3 (dst, 0); | |
905 | v = imm; | |
906 | tprintf("%x = %x\n", v, v); | |
907 | set_sz (v, 1); | |
908 | put_dest (dc, v); | |
909 | ||
910 | /** 1w10 d010 MOV.size:S #IMM,dest */ | |
911 | ||
912 | /* Note that for w, 0=W and 1=B unlike the usual meaning. */ | |
913 | v = IMM(1-w); | |
914 | tprintf("%x = %x\n", v, v); | |
915 | set_sz (v, 2-w); | |
916 | put_reg (d ? a1 : a0, v); | |
917 | ||
918 | /** 1011 0dst MOV.B:Z #0,dest */ | |
919 | ||
920 | dc = decode_dest3 (dst, 0); | |
921 | v = 0; | |
922 | set_sz (v, 1); | |
923 | put_dest (dc, v); | |
924 | ||
925 | /** 0111 001w srcx dest MOV.size:G src,dest */ | |
926 | ||
927 | sc = decode_srcdest4 (srcx, w); | |
928 | dc = decode_srcdest4 (dest, w); | |
929 | v = get_src (sc); | |
930 | set_sz (v, w+1); | |
931 | put_dest (dc, v); | |
932 | ||
933 | /** 0011 0d sr MOV.B:S src,dest */ | |
934 | ||
935 | sc = decode_src2 (sr, 0, d); | |
936 | v = get_src (sc); | |
937 | set_sz (v, 1); | |
938 | put_reg (d ? a1 : a0, v); | |
939 | ||
940 | /** 0000 0s ds MOV.B:S R0L/R0H,dest */ | |
941 | ||
942 | if (ds == 0) | |
943 | UNSUPPORTED(); | |
944 | dc = decode_src2 (ds, 0, s); | |
945 | v = get_reg (s ? r0h : r0l); | |
946 | set_sz (v, 1); | |
947 | put_dest (dc, v); | |
948 | ||
949 | /** 0000 1d sr MOV.B:S src,R0L/R0H */ | |
950 | ||
951 | sc = decode_src2 (sr, 0, d); | |
952 | v = get_src (sc); | |
953 | set_sz (v, 1); | |
954 | put_reg (d ? r0h : r0l, v); | |
955 | ||
956 | /** 0111 010w 1011 dest MOV.size:G dsp:8[SP], dest */ | |
957 | ||
958 | dc = decode_srcdest4 (dest, w); | |
959 | imm = IMM(0); | |
960 | a = get_reg (sp) + sign_ext (imm, 8); | |
961 | a &= addr_mask; | |
962 | if (w) | |
963 | v = mem_get_hi (a); | |
964 | else | |
965 | v = mem_get_qi (a); | |
966 | set_sz (v, w+1); | |
967 | put_dest (dc, v); | |
968 | ||
969 | /** 0111 010w 0011 srcx MOV.size:G src, disp8[SP] */ | |
970 | ||
971 | sc = decode_srcdest4 (srcx, w); | |
972 | imm = IMM(0); | |
973 | a = get_reg (sp) + sign_ext (imm, 8); | |
974 | a &= addr_mask; | |
975 | v = get_src (sc); | |
976 | if (w) | |
977 | mem_put_hi (a, v); | |
978 | else | |
979 | mem_put_qi (a, v); | |
980 | set_sz (v, w+1); | |
981 | ||
982 | /** 1110 1011 0reg 1src MOVA src,dest */ | |
983 | ||
984 | static reg_id map[] = { r0, r1, r2, r3, a0, a1, 0, 0 }; | |
985 | sc = decode_srcdest4 (8 + src, 0); | |
986 | put_reg (map[reg], sc.u.addr); | |
987 | ||
988 | /** 0111 1100 10hl dest MOVdir R0L,dest */ | |
989 | ||
990 | if (dest == 0 || dest == 4 || dest == 5) | |
991 | UNSUPPORTED(); | |
992 | dc = decode_srcdest4 (dest, 0); | |
993 | a = get_src (dc); | |
994 | b = get_reg (r0l); | |
995 | switch (hl) | |
996 | { | |
997 | case 0: a = (a & 0xf0) | (b & 0x0f); break; | |
998 | case 1: a = (a & 0xf0) | ((b>>4) & 0x0f); break; | |
999 | case 2: a = (a & 0x0f) | ((b & 0x0f)<<4); break; | |
1000 | case 3: a = (a & 0x0f) | (b & 0xf0); break; | |
1001 | } | |
1002 | put_dest (dc, a); | |
1003 | ||
1004 | /** 0111 1100 00hl srcx MOVdir src,R0L */ | |
1005 | ||
1006 | if (srcx == 0 || srcx == 4 || srcx == 5) | |
1007 | UNSUPPORTED(); | |
1008 | sc = decode_srcdest4 (srcx, 0); | |
1009 | a = get_reg (r0l); | |
1010 | b = get_src (sc); | |
1011 | switch (hl) | |
1012 | { | |
1013 | case 0: a = (a & 0xf0) | (b & 0x0f); break; | |
1014 | case 1: a = (a & 0xf0) | ((b>>4) & 0x0f); break; | |
1015 | case 2: a = (a & 0x0f) | ((b & 0x0f)<<4); break; | |
1016 | case 3: a = (a & 0x0f) | (b & 0xf0); break; | |
1017 | } | |
1018 | put_reg (r0l, a); | |
1019 | ||
1020 | /** 0111 110w 0101 dest MUL.size #IMM,dest */ | |
1021 | ||
1022 | UNARY_SOP; | |
1023 | imm = sign_ext (IMM(w), w?16:8); | |
1024 | tprintf("%d * %d = %d\n", v, imm, v*imm); | |
1025 | v *= imm; | |
1026 | dc = widen_sd (dc); | |
1027 | put_dest (dc, v); | |
1028 | ||
1029 | /** 0111 100w srcx dest MUL.size src,dest */ | |
1030 | ||
1031 | BINARY_SOP; | |
1032 | v = a * b; | |
1033 | tprintf("%d * %d = %d\n", a, b, v); | |
1034 | dc = widen_sd (dc); | |
1035 | put_dest (dc, v); | |
1036 | ||
1037 | /** 0111 110w 0100 dest MULU.size #IMM,dest */ | |
1038 | ||
1039 | UNARY_UOP; | |
1040 | imm = IMM(w); | |
1041 | tprintf("%u * %u = %u\n", v, imm, v*imm); | |
1042 | v *= imm; | |
1043 | dc = widen_sd (dc); | |
1044 | put_dest (dc, v); | |
1045 | ||
1046 | /** 0111 000w srcx dest MULU.size src,dest */ | |
1047 | ||
1048 | BINARY_UOP; | |
1049 | v = a * b; | |
1050 | tprintf("%u * %u = %u\n", a, b, v); | |
1051 | dc = widen_sd (dc); | |
1052 | put_dest (dc, v); | |
1053 | ||
1054 | /** 0111 010w 0101 dest NEG.size dest */ | |
1055 | ||
1056 | UNARY_SOP; | |
1057 | tprintf("%d * -1 = %d\n", v, -v); | |
1058 | v = -v; | |
1059 | set_oszc (v, w+1, v == 0); | |
1060 | put_dest (dc, v); | |
1061 | ||
1062 | /** 0000 0100 NOP */ | |
1063 | ||
1064 | tprintf("nop\n"); | |
1065 | ||
1066 | /** 0111 010w 0111 dest NOT.size:G */ | |
1067 | ||
1068 | UNARY_UOP; | |
1069 | tprintf("~ %x = %x\n", v, ~v); | |
1070 | v = ~v; | |
1071 | set_sz (v, w+1); | |
1072 | put_dest (dc, v); | |
1073 | ||
1074 | /** 1011 1dst NOT.B:S dest */ | |
1075 | ||
1076 | dc = decode_dest3 (dst, 0); | |
1077 | v = get_src (dc); | |
1078 | tprintf("~ %x = %x\n", v, ~v); | |
1079 | v = ~v; | |
1080 | set_sz (v, 1); | |
1081 | put_dest (dc, v); | |
1082 | ||
1083 | /** 0111 011w 0011 dest OR.size:G #IMM,dest */ | |
1084 | ||
1085 | UNARY_UOP; | |
1086 | imm = IMM(w); | |
1087 | tprintf ("%x | %x = %x\n", v, imm, v | imm); | |
1088 | v |= imm; | |
1089 | set_sz (v, w+1); | |
1090 | put_dest (dc, v); | |
1091 | ||
1092 | /** 1001 1dst OR.B:S #IMM8,dest */ | |
1093 | ||
1094 | imm = IMM(0); | |
1095 | dc = decode_dest3 (dst, 0); | |
1096 | v = get_src (dc); | |
1097 | tprintf("%x | %x = %x\n", v, imm, v|imm); | |
1098 | v |= imm; | |
1099 | set_sz (v, 1); | |
1100 | put_dest (dc, v); | |
1101 | ||
1102 | /** 1001 100w srcx dest OR.size:G src,dest */ | |
1103 | ||
1104 | BINARY_UOP; | |
1105 | tprintf ("%x | %x = %x\n", a, b, a | b); | |
1106 | v = a | b; | |
1107 | set_sz (v, w+1); | |
1108 | put_dest (dc, v); | |
1109 | ||
1110 | /** 0001 1d sr OR.B:S src,R0L/R0H */ | |
1111 | ||
1112 | sc = decode_src2 (sr, 0, d); | |
1113 | dc = decode_dest1 (d, 0); | |
1114 | a = get_src (sc); | |
1115 | b = get_src (dc); | |
1116 | v = a | b; | |
1117 | tprintf("%x | %x = %x\n", a, b, v); | |
1118 | set_sz (v, 1); | |
1119 | put_dest (dc, v); | |
1120 | ||
1121 | /** 0111 010w 1101 dest POP.size:G dest */ | |
1122 | ||
1123 | dc = decode_srcdest4 (dest, w); | |
1124 | if (w) | |
1125 | { | |
1126 | v = mem_get_hi (get_reg (sp)); | |
1127 | put_reg (sp, get_reg (sp) + 2); | |
1128 | tprintf("pophi: %x\n", v); | |
1129 | } | |
1130 | else | |
1131 | { | |
1132 | v = mem_get_qi (get_reg (sp)); | |
1133 | put_reg (sp, get_reg (sp) + 1); | |
1134 | tprintf("popqi: %x\n", v); | |
1135 | } | |
1136 | put_dest (dc, v); | |
1137 | ||
1138 | /** 1001 d010 POP.B:S dest */ | |
1139 | ||
1140 | v = mem_get_qi (get_reg (sp)); | |
1141 | put_reg (d ? r0h : r0l, v); | |
1142 | put_reg (sp, get_reg (sp) + 1); | |
1143 | tprintf("popqi: %x\n", v); | |
1144 | ||
1145 | /** 1101 d010 POP.W:S dest */ | |
1146 | ||
1147 | v = mem_get_hi (get_reg (sp)); | |
1148 | put_reg (d ? a1 : a0, v); | |
1149 | put_reg (sp, get_reg (sp) + 2); | |
1150 | tprintf("pophi: %x\n", v); | |
1151 | ||
1152 | /** 1110 1011 0reg 0011 POPC dest */ | |
1153 | ||
1154 | dc = decode_cr (reg); | |
1155 | v = mem_get_hi (get_reg (sp)); | |
1156 | put_dest (dc, v); | |
1157 | put_reg (sp, get_reg (sp) + 2); | |
1158 | tprintf("popc: %x\n", v); | |
1159 | ||
1160 | /** 1110 1101 POPM dest */ | |
1161 | ||
1162 | static int map[] = { r0, r1, r2, r3, a0, a1, sb, fb }; | |
1163 | imm = IMM(0); | |
1164 | tprintf("popm: %x\n", imm); | |
1165 | for (a=0; a<8; a++) | |
1166 | if (imm & (1<<a)) | |
1167 | { | |
1168 | v = mem_get_hi (get_reg (sp)); | |
1169 | put_reg (map[a], v); | |
1170 | put_reg (sp, get_reg (sp) + 2); | |
1171 | } | |
1172 | ||
1173 | /** 0111 110w 1110 0010 PUSH.size:G #IMM */ | |
1174 | ||
1175 | imm = IMM(w); | |
1176 | if (w) | |
1177 | { | |
1178 | put_reg (sp, get_reg (sp) - 2); | |
1179 | mem_put_hi (get_reg (sp), imm); | |
1180 | tprintf("pushhi %04x\n", imm); | |
1181 | } | |
1182 | else | |
1183 | { | |
1184 | put_reg (sp, get_reg (sp) - 1); | |
1185 | mem_put_qi (get_reg (sp), imm); | |
1186 | tprintf("pushqi %02x\n", imm); | |
1187 | } | |
1188 | ||
1189 | /** 0111 010w 0100 srcx PUSH.size:G src */ | |
1190 | ||
1191 | sc = decode_srcdest4 (srcx, w); | |
1192 | v = get_src (sc); | |
1193 | if (w) | |
1194 | { | |
1195 | put_reg (sp, get_reg (sp) - 2); | |
1196 | mem_put_hi (get_reg (sp), v); | |
1197 | tprintf("pushhi: %x\n", v); | |
1198 | } | |
1199 | else | |
1200 | { | |
1201 | put_reg (sp, get_reg (sp) - 1); | |
1202 | mem_put_qi (get_reg (sp), v); | |
1203 | tprintf("pushqi: %x\n", v); | |
1204 | } | |
1205 | ||
1206 | /** 1000 s010 PUSH.B:S src */ | |
1207 | ||
1208 | v = get_reg (s ? r0h : r0l); | |
1209 | put_reg (sp, get_reg (sp) - 1); | |
1210 | mem_put_qi (get_reg (sp), v); | |
1211 | tprintf("pushqi: %x\n", v); | |
1212 | ||
1213 | /** 1100 s010 PUSH.W:S src */ | |
1214 | ||
1215 | v = get_reg (s ? a1 : a0); | |
1216 | put_reg (sp, get_reg (sp) - 2); | |
1217 | mem_put_hi (get_reg (sp), v); | |
1218 | tprintf("pushhi: %x\n", v); | |
1219 | ||
1220 | /** 0111 1101 1001 srcx PUSHA src */ | |
1221 | ||
1222 | sc = decode_srcdest4 (srcx, 0); | |
1223 | put_reg (sp, get_reg (sp) - 2); | |
1224 | mem_put_hi (get_reg (sp), sc.u.addr); | |
1225 | tprintf("pushhi: %x\n", sc.u.addr); | |
1226 | ||
1227 | /** 1110 1011 0src 0010 PUSHC src */ | |
1228 | ||
1229 | sc = decode_cr (src); | |
1230 | put_reg (sp, get_reg (sp) - 2); | |
1231 | v = get_src (sc); | |
1232 | mem_put_hi (get_reg (sp), v); | |
1233 | tprintf("pushc: %x\n", v); | |
1234 | ||
1235 | /** 1110 1100 PUSHM src */ | |
1236 | ||
1237 | static int map[] = { fb, sb, a1, a0, r3, r2, r1, r0 }; | |
1238 | imm = IMM(0); | |
1239 | tprintf("pushm: %x\n", imm); | |
1240 | for (a=0; a<8; a++) | |
1241 | if (imm & (1<<a)) | |
1242 | { | |
1243 | put_reg (sp, get_reg (sp) - 2); | |
1244 | v = get_reg (map[a]); | |
1245 | mem_put_hi (get_reg (sp), v); | |
1246 | } | |
1247 | ||
1248 | /** 1111 1011 REIT */ | |
1249 | ||
1250 | a = get_reg (sp); | |
1251 | v = (mem_get_hi (a) | |
3877a145 | 1252 | + 4096 * (mem_get_qi (a+3) & 0xf0)); |
d45a4bef | 1253 | b = (mem_get_qi (a+2) |
3877a145 | 1254 | + 256 * (mem_get_qi (a+3) & 0xff)); |
d45a4bef JB |
1255 | put_reg (pc, v); |
1256 | put_reg (flags, b); | |
1257 | put_reg (sp, get_reg (sp) + 4); | |
1258 | ||
1259 | /** 0111 110w 1111 0001 RMPA.size */ | |
1260 | ||
1261 | int count = get_reg (r3); | |
1262 | int list1 = get_reg (a0); | |
1263 | int list2 = get_reg (a1); | |
1264 | int sum = get_reg (w ? r2r0 : r0); | |
1265 | ||
1266 | while (count) | |
1267 | { | |
1268 | if (w) | |
1269 | { | |
1270 | a = sign_ext (mem_get_hi (list1), 16); | |
1271 | b = sign_ext (mem_get_hi (list2), 16); | |
1272 | } | |
1273 | else | |
1274 | { | |
1275 | a = sign_ext (mem_get_qi (list1), 8); | |
1276 | b = sign_ext (mem_get_qi (list2), 8); | |
1277 | } | |
1278 | tprintf("%d + %d * %d = ", sum, a, b); | |
1279 | sum += a * b; | |
1280 | tprintf("%d\n", sum); | |
1281 | list1 += w ? 2 : 1; | |
1282 | list2 += w ? 2 : 1; | |
1283 | count --; | |
1284 | } | |
1285 | put_reg (r3, count); | |
1286 | put_reg (a0, list1); | |
1287 | put_reg (a1, list2); | |
1288 | put_reg (w ? r2r0 : r0, sum); | |
1289 | ||
1290 | /** 0111 011w 1010 dest ROLC.size dest */ | |
1291 | ||
1292 | dc = decode_srcdest4 (dest, w); | |
1293 | rot_op (dc, 1, 1); | |
1294 | ||
1295 | /** 0111 011w 1011 dest RORC.size dest */ | |
1296 | ||
1297 | dc = decode_srcdest4 (dest, w); | |
1298 | rot_op (dc, 1, -1); | |
1299 | ||
1300 | /** 1110 000w immm dest ROT.size #IMM,dest */ | |
1301 | ||
1302 | dc = decode_srcdest4 (dest, w); | |
1303 | rot_op (dc, 0, IMM4()); | |
1304 | ||
1305 | /** 0111 010w 0110 dest ROT.size R1H,dest */ | |
1306 | ||
1307 | dc = decode_srcdest4 (dest, w); | |
1308 | rot_op (dc, 0, sign_ext (get_reg (r1h), 8)); | |
1309 | ||
1310 | /** 1111 0011 RTS */ | |
1311 | ||
1312 | put_reg (pc, mem_get_psi (get_reg (sp))); | |
1313 | put_reg (sp, get_reg (sp) + 3); | |
1314 | ||
1315 | /** 0111 011w 0111 dest SBB.size #IMM,dest */ | |
1316 | ||
1317 | dc = decode_srcdest4 (dest, w); | |
1318 | imm = IMM(w); | |
1319 | MATH_OP (dc, imm, !carry, -, >= 0); | |
1320 | ||
1321 | /** 1011 100w srcx dest SBB.size src,dest */ | |
1322 | ||
1323 | sc = decode_srcdest4(srcx, w); | |
1324 | dc = decode_srcdest4(dest, w); | |
1325 | b = get_src (sc); | |
1326 | MATH_OP (dc, b, !carry, -, >= 0); | |
1327 | ||
1328 | /** 1111 000w immm dest SHA.size #IMM, dest */ | |
1329 | ||
1330 | dc = decode_srcdest4(dest, w); | |
1331 | shift_op (dc, 1, IMM4()); | |
1332 | ||
1333 | /** 0111 010w 1111 dest SHA.size R1H,dest */ | |
1334 | ||
1335 | dc = decode_srcdest4(dest, w); | |
1336 | a = sign_ext (get_reg (r1h), 8); | |
1337 | shift_op (dc, 1, a); | |
1338 | ||
1339 | /** 1110 1011 101d immm SHA.L #IMM, dest */ | |
1340 | ||
1341 | dc = reg_sd (d ? r3r1 : r2r0); | |
1342 | shift_op (dc, 1, IMM4()); | |
1343 | ||
1344 | /** 1110 1011 001d 0001 SHA.L R1H,dest */ | |
1345 | ||
1346 | dc = reg_sd (d ? r3r1 : r2r0); | |
1347 | a = sign_ext (get_reg (r1h), 8); | |
1348 | shift_op (dc, 1, a); | |
1349 | ||
1350 | /** 1110 100w immm dest SHL.size #IMM, dest */ | |
1351 | ||
1352 | dc = decode_srcdest4(dest, w); | |
1353 | shift_op (dc, 0, IMM4()); | |
1354 | ||
1355 | /** 0111 010w 1110 dest SHL.size R1H,dest */ | |
1356 | ||
1357 | dc = decode_srcdest4(dest, w); | |
1358 | a = sign_ext (get_reg (r1h), 8); | |
1359 | shift_op (dc, 0, a); | |
1360 | ||
1361 | /** 1110 1011 100d immm SHL.L #IMM,dest */ | |
1362 | ||
1363 | dc = reg_sd (d ? r3r1 : r2r0); | |
1364 | shift_op (dc, 0, IMM4()); | |
1365 | ||
1366 | /** 1110 1011 000d 0001 SHL.L R1H,dest */ | |
1367 | ||
1368 | dc = reg_sd (d ? r3r1 : r2r0); | |
1369 | a = sign_ext (get_reg (r1h), 8); | |
1370 | shift_op (dc, 0, a); | |
1371 | ||
1372 | /** 0111 110w 1110 100b SMOVB.size */ | |
1373 | ||
1374 | int count = get_reg (r3); | |
1375 | int s1 = get_reg (a0) + (get_reg (r1h) << 16); | |
1376 | int s2 = get_reg (a1); | |
1377 | int inc = (w ? 2 : 1) * (b ? -1 : 1); | |
1378 | ||
1379 | while (count) | |
1380 | { | |
1381 | if (w) | |
1382 | { | |
1383 | v = mem_get_hi (s1); | |
1384 | mem_put_hi (s2, v); | |
1385 | } | |
1386 | else | |
1387 | { | |
1388 | v = mem_get_qi (s1); | |
1389 | mem_put_qi (s2, v); | |
1390 | } | |
1391 | s1 += inc; | |
1392 | s2 += inc; | |
1393 | count --; | |
1394 | } | |
1395 | put_reg (r3, count); | |
1396 | put_reg (a0, s1 & 0xffff); | |
1397 | put_reg (a1, s2); | |
1398 | put_reg (r1h, s1 >> 16); | |
1399 | ||
1400 | /** 0111 110w 1110 1010 SSTR.size */ | |
1401 | ||
1402 | int count = get_reg (r3); | |
1403 | int s1 = get_reg (a1); | |
3877a145 | 1404 | v = get_reg (w ? r0 : r0l); |
d45a4bef JB |
1405 | |
1406 | while (count) | |
1407 | { | |
1408 | if (w) | |
1409 | { | |
1410 | mem_put_hi (s1, v); | |
1411 | s1 += 2; | |
1412 | } | |
1413 | else | |
1414 | { | |
1415 | mem_put_qi (s1, v); | |
1416 | s1 += 1; | |
1417 | } | |
1418 | count --; | |
1419 | } | |
1420 | put_reg (r3, count); | |
1421 | put_reg (a1, s1); | |
1422 | ||
1423 | /** 0111 1011 1src dest STC src,dest */ | |
1424 | ||
1425 | dc = decode_srcdest4 (dest, 1); | |
1426 | sc = decode_cr (src); | |
1427 | put_dest (dc, get_src(sc)); | |
1428 | ||
1429 | /** 0111 1100 1100 dest STC PC,dest */ | |
1430 | ||
1431 | dc = decode_srcdest4 (dest, 1); | |
1432 | dc.bytes = 3; | |
1433 | put_dest (dc, orig_pc); | |
1434 | ||
1435 | /** 0111 1101 1111 0000 STCTX abs16,abs20 */ | |
1436 | ||
1437 | NOTYET(); | |
1438 | ||
1439 | /** 0111 010w 0000 srcx STE.size src,abs20 */ | |
1440 | ||
1441 | sc = decode_srcdest4 (srcx, w); | |
1442 | a = IMM(2); | |
1443 | v = get_src (sc); | |
1444 | if (w) | |
1445 | mem_put_hi (a, v); | |
1446 | else | |
1447 | mem_put_qi (a, v); | |
1448 | if (srcx == 4 || srcx == 5) | |
1449 | { | |
1450 | v = get_reg (sc.u.reg); | |
1451 | set_sz (v, 2); | |
1452 | } | |
1453 | else | |
1454 | set_sz (v, w+1); | |
1455 | ||
1456 | /** 0111 010w 0001 srcx STE.size src,disp20[a0] */ | |
1457 | ||
1458 | sc = decode_srcdest4 (srcx, w); | |
1459 | a = get_reg(a0) + IMM(2); | |
1460 | v = get_src (sc); | |
1461 | if (w) | |
1462 | mem_put_hi (a, v); | |
1463 | else | |
1464 | mem_put_qi (a, v); | |
1465 | if (srcx == 4 || srcx == 5) | |
1466 | { | |
1467 | v = get_reg (sc.u.reg); | |
1468 | set_sz (v, 2); | |
1469 | } | |
1470 | else | |
1471 | set_sz (v, w+1); | |
1472 | ||
1473 | /** 0111 010w 0010 srcx STE.size src,[a1a0] */ | |
1474 | ||
1475 | sc = decode_srcdest4 (srcx, w); | |
1476 | a = get_reg(a1a0); | |
1477 | v = get_src (sc); | |
1478 | if (w) | |
1479 | mem_put_hi (a, v); | |
1480 | else | |
1481 | mem_put_qi (a, v); | |
1482 | if (srcx == 4 || srcx == 5) | |
1483 | { | |
1484 | v = get_reg (sc.u.reg); | |
1485 | set_sz (v, 2); | |
1486 | } | |
1487 | else | |
1488 | set_sz (v, w+1); | |
1489 | ||
1490 | /** 1101 0dst STNZ #IMM8,dest */ | |
1491 | ||
1492 | imm = IMM(0); | |
1493 | dc = decode_dest3(dst, 0); | |
1494 | if (!FLAG_Z) | |
1495 | put_dest (dc, imm); | |
1496 | ||
1497 | /** 1100 1dst STZ #IMM8,dest */ | |
1498 | ||
1499 | imm = IMM(0); | |
1500 | dc = decode_dest3(dst, 0); | |
1501 | if (FLAG_Z) | |
1502 | put_dest (dc, imm); | |
1503 | ||
1504 | /** 1101 1dst STZX #IMM81,#IMM82,dest */ | |
1505 | ||
1506 | a = IMM(0); | |
1507 | dc = decode_dest3(dst, 0); | |
1508 | b = IMM(0); | |
1509 | if (FLAG_Z) | |
1510 | put_dest (dc, a); | |
1511 | else | |
1512 | put_dest (dc, b); | |
1513 | ||
1514 | /** 0111 011w 0101 dest SUB.size:G #IMM,dest */ | |
1515 | ||
1516 | dc = decode_srcdest4 (dest, w); | |
1517 | imm = IMM(w); | |
1518 | MATH_OP (dc, imm, 0, -, >= 0); | |
1519 | ||
1520 | /** 1000 1dst SUB.B:S #IMM8,dest */ | |
1521 | ||
1522 | imm = IMM(0); | |
1523 | dc = decode_dest3 (dst, 0); | |
1524 | MATH_OP (dc, imm, 0, -, >= 0); | |
1525 | ||
1526 | /** 1010 100w srcx dest SUB.size:G src,dest */ | |
1527 | ||
1528 | sc = decode_srcdest4(srcx, w); | |
1529 | dc = decode_srcdest4(dest, w); | |
1530 | b = get_src (sc); | |
f4f21c20 | 1531 | MATH_OP (dc, b, 0, -, >= 0); |
d45a4bef JB |
1532 | |
1533 | /** 0010 1d sr SUB.B:S src,R0L/R0H */ | |
1534 | ||
1535 | sc = decode_src2 (sr, 0, d); | |
1536 | dc = decode_dest1 (d, 0); | |
1537 | b = get_src (sc); | |
f4f21c20 | 1538 | MATH_OP (dc, b, 0, -, >= 0); |
d45a4bef JB |
1539 | |
1540 | /** 0111 011w 0000 dest TST.size #IMM, dest */ | |
1541 | ||
1542 | UNARY_UOP; | |
1543 | imm = IMM(w); | |
1544 | tprintf ("%x & %x = %x\n", v, imm, v & imm); | |
1545 | v &= imm; | |
1546 | set_sz (v, w+1); | |
1547 | ||
1548 | /** 1000 000w srcx dest TST.size src,dest */ | |
1549 | ||
1550 | BINARY_UOP; | |
1551 | tprintf ("%x & %x = %x\n", a, b, a & b); | |
1552 | v = a & b; | |
1553 | set_sz (v, w+1); | |
1554 | ||
1555 | /** 1111 1111 UND */ | |
1556 | ||
1557 | trigger_fixed_interrupt (0xffdc); | |
1558 | ||
1559 | /** 0111 1101 1111 0011 WAIT */ | |
1560 | ||
1561 | tprintf("waiting...\n"); | |
1562 | ||
1563 | /** 0111 101w 00sr dest XCHG.size src,dest */ | |
1564 | ||
1565 | sc = decode_srcdest4 (sr, w); | |
1566 | dc = decode_srcdest4 (dest, w); | |
1567 | a = get_src (sc); | |
1568 | b = get_src (dc); | |
1569 | put_dest (dc, a); | |
1570 | put_dest (sc, b); | |
1571 | ||
1572 | /** 0111 011w 0001 dest XOR.size #IMM,dest */ | |
1573 | ||
1574 | UNARY_UOP; | |
1575 | imm = IMM(w); | |
1576 | tprintf ("%x ^ %x = %x\n", v, imm, v ^ imm); | |
1577 | v ^= imm; | |
1578 | set_sz (v, w+1); | |
1579 | put_dest (dc, v); | |
1580 | ||
1581 | /** 1000 100w srcx dest XOR.size src,dest */ | |
1582 | ||
1583 | BINARY_UOP; | |
1584 | tprintf ("%x ^ %x = %x\n", a, b, a ^ b); | |
1585 | v = a ^ b; | |
1586 | set_sz (v, w+1); | |
1587 | put_dest (dc, v); | |
1588 | ||
1589 | /** OP */ | |
1590 | /** */ | |
1591 | ||
1592 | return step_result; | |
1593 | } |