| 1 | /* m32c.opc --- semantics for m32c opcodes. -*- mode: c -*- |
| 2 | |
| 3 | Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc. |
| 4 | Contributed by Red Hat, Inc. |
| 5 | |
| 6 | This file is part of the GNU simulators. |
| 7 | |
| 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. |
| 12 | |
| 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. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 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 M32C_ONLY() /* FIXME: add something here */ |
| 49 | |
| 50 | #define GETBYTE() (op[opi++] = getbyte()) |
| 51 | |
| 52 | #define UNSUPPORTED() unsupported("unsupported", m32c_opcode_pc) |
| 53 | #define NOTYET() unsupported("unimplemented", m32c_opcode_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(int bytes) |
| 81 | { |
| 82 | int rv = 0; |
| 83 | switch (bytes) |
| 84 | { |
| 85 | case 1: |
| 86 | rv = mem_get_qi (get_reg(pc)); |
| 87 | break; |
| 88 | case 2: |
| 89 | rv = mem_get_hi (get_reg(pc)); |
| 90 | break; |
| 91 | case 3: |
| 92 | rv = mem_get_psi (get_reg(pc)); |
| 93 | break; |
| 94 | case 4: |
| 95 | rv = mem_get_si (get_reg(pc)); |
| 96 | break; |
| 97 | } |
| 98 | regs.r_pc += bytes; |
| 99 | return rv; |
| 100 | } |
| 101 | |
| 102 | #define IMM4() (immm >= 8 ? 7 - immm : immm + 1) |
| 103 | |
| 104 | #define NO_PREFIX() PREFIX(0,0,0) |
| 105 | |
| 106 | /* Indicate which sorts of prefixes are allowed for the current |
| 107 | opcode. */ |
| 108 | void |
| 109 | prefix (src_allowed, dest_allowed, index_bytewidth) |
| 110 | { |
| 111 | /* At the moment, we don't do anything with this information. We |
| 112 | just wanted to get the information entered in some |
| 113 | machine-readable form while we were going through all the |
| 114 | opcodes. */ |
| 115 | } |
| 116 | |
| 117 | #define MATH_OP(dc,s,c,op) \ |
| 118 | { \ |
| 119 | int ma, mb; \ |
| 120 | ma = get_src(dc); \ |
| 121 | mb = s & b2mask[dc.bytes]; \ |
| 122 | ll = (long long)ma op (long long)mb op c; \ |
| 123 | tprintf("0x%x " #op " 0x%x " #op " 0x%x = 0x%llx\n", ma, mb, c, ll); \ |
| 124 | ma = sign_ext (ma, dc.bytes * 8); \ |
| 125 | mb = sign_ext (s, dc.bytes * 8); \ |
| 126 | v = ma op mb op c; \ |
| 127 | tprintf("%d " #op " %d " #op " %d = %d\n", ma, mb, c, v); \ |
| 128 | set_oszc (v, dc.bytes, ll > ((1 op 1) ? b2mask[dc.bytes] : 0)); \ |
| 129 | put_dest (dc, v); \ |
| 130 | } |
| 131 | |
| 132 | #define LOGIC_OP(dc,s,op) \ |
| 133 | { \ |
| 134 | int ma, mb; \ |
| 135 | ma = get_src(dc); \ |
| 136 | mb = s & b2mask[dc.bytes]; \ |
| 137 | v = ma op mb; \ |
| 138 | tprintf("0x%x " #op " 0x%x = 0x%x\n", ma, mb, v); \ |
| 139 | set_sz (v, dc.bytes); \ |
| 140 | put_dest (dc, v); \ |
| 141 | } |
| 142 | |
| 143 | #define BIT_OP(dc,bit,expr) \ |
| 144 | b = get_bit2 (dc, bitindex == -1 ? bit : bitindex); \ |
| 145 | v = expr; \ |
| 146 | tprintf ("b=%d, bit=%d, carry=%d, %s = %d\n", \ |
| 147 | b, bitindex == -1 ? bit : bitindex, carry, #expr, v); \ |
| 148 | put_bit2 (dc, bitindex == -1 ? bit : bitindex, v); |
| 149 | |
| 150 | #define BIT_OPC(dc,bit,expr) \ |
| 151 | b = get_bit2 (dc, bitindex == -1 ? bit : bitindex); \ |
| 152 | v = expr; \ |
| 153 | tprintf ("b=%d, bit=%d, carry=%d, %s = %d\n", \ |
| 154 | b, bitindex == -1 ? bit : bitindex, carry, #expr, v); \ |
| 155 | set_c (v); |
| 156 | |
| 157 | #define carry (FLAG_C ? 1 : 0) |
| 158 | |
| 159 | static void |
| 160 | cmp (int d, int s, int bytes) |
| 161 | { |
| 162 | int a, b, f=0; |
| 163 | a = d - s; |
| 164 | b = sign_ext (d, bytes*8) - sign_ext (s, bytes*8); |
| 165 | tprintf ("cmp: %x - %x = %08x, %x - %x = %d\n", |
| 166 | d, s, a, |
| 167 | sign_ext(d,bytes*8), sign_ext(s,bytes*8), b); |
| 168 | |
| 169 | if (b == 0) |
| 170 | f |= FLAGBIT_Z; |
| 171 | if (b & b2signbit[bytes]) |
| 172 | f |= FLAGBIT_S; |
| 173 | if ((d & b2mask[bytes]) >= (s & b2mask[bytes])) |
| 174 | f |= FLAGBIT_C; |
| 175 | if (b < b2minsigned[bytes] || b > b2maxsigned[bytes]) |
| 176 | f |= FLAGBIT_O; |
| 177 | |
| 178 | set_flags (FLAGBIT_Z | FLAGBIT_S | FLAGBIT_O | FLAGBIT_C, f); |
| 179 | } |
| 180 | |
| 181 | static void |
| 182 | dadd_op (int ddd, int dd, int sss, int ss, int imm, int add, int cy, int w) |
| 183 | { |
| 184 | srcdest sc, dc; |
| 185 | int a, b=0, res; |
| 186 | |
| 187 | prefix (0, 0, 0); |
| 188 | |
| 189 | if (!imm) |
| 190 | { |
| 191 | sc = decode_src23 (sss, ss, w+1); |
| 192 | b = get_src (sc); |
| 193 | } |
| 194 | dc = decode_dest23 (ddd, dd, w+1); |
| 195 | a = get_src (dc); |
| 196 | if (imm) |
| 197 | b = IMM(w+1); |
| 198 | |
| 199 | a = bcd2int(a, w); |
| 200 | b = bcd2int(b, w); |
| 201 | |
| 202 | tprintf("decimal: %d %s %d", a, add?"+":"-", b); |
| 203 | if (cy) |
| 204 | tprintf(" c=%d", carry); |
| 205 | |
| 206 | if (add) |
| 207 | { |
| 208 | res = a + b; |
| 209 | if (cy) |
| 210 | res += carry; |
| 211 | cy = res > (w ? 9999 : 99); |
| 212 | } |
| 213 | else |
| 214 | { |
| 215 | res = a - b; |
| 216 | if (cy) |
| 217 | res -= (1-carry); |
| 218 | cy = res >= 0; |
| 219 | if (res < 0) |
| 220 | res += w ? 10000 : 100; |
| 221 | } |
| 222 | |
| 223 | res = int2bcd (res, w); |
| 224 | tprintf(" = %x\n", res); |
| 225 | |
| 226 | set_szc (res, w+1, cy); |
| 227 | |
| 228 | put_dest (dc, res); |
| 229 | } |
| 230 | #define DADDV(A,C) dadd_op(ddd, dd, sss, ss, 0, A, C, w) |
| 231 | #define DADDI(A,C) dadd_op(ddd, dd, 0, 0, 1, A, C, w) |
| 232 | |
| 233 | static void |
| 234 | div_op (int sss, int ss, int u, int x, int bytes) |
| 235 | { |
| 236 | srcdest sc; |
| 237 | int s, v, a, b; |
| 238 | |
| 239 | if (sss == -1) |
| 240 | s = IMM(bytes); |
| 241 | else |
| 242 | { |
| 243 | sc = decode_dest23 (sss, ss, bytes); |
| 244 | s = get_src (sc); |
| 245 | } |
| 246 | |
| 247 | v = get_reg (bytes > 1 ? r2r0 : r0); |
| 248 | |
| 249 | if (!u) |
| 250 | { |
| 251 | /* FIXME? do we sign extend a0/a1 to .L? Docs say zero extend. */ |
| 252 | s = sign_ext (s, bytes*8); |
| 253 | v = sign_ext (v, bytes*8); |
| 254 | } |
| 255 | |
| 256 | if (s == 0) |
| 257 | { |
| 258 | set_flags (FLAGBIT_O, FLAGBIT_O); |
| 259 | return; |
| 260 | } |
| 261 | |
| 262 | if (u) |
| 263 | { |
| 264 | a = (unsigned int)v / (unsigned int)s; |
| 265 | b = (unsigned int)v % (unsigned int)s; |
| 266 | } |
| 267 | else |
| 268 | { |
| 269 | a = v / s; |
| 270 | b = v % s; |
| 271 | } |
| 272 | if (x) |
| 273 | { |
| 274 | if ((s > 0 && b < 0) |
| 275 | || (s < 0 && b > 0)) |
| 276 | { |
| 277 | a --; |
| 278 | b += s; |
| 279 | } |
| 280 | } |
| 281 | tprintf ("%d / %d = %d rem %d\n", v, s, a, b); |
| 282 | if ((!u && (a > b2maxsigned[bytes] |
| 283 | || a < b2minsigned[bytes])) |
| 284 | || (u && (a > b2mask[bytes]))) |
| 285 | set_flags (FLAGBIT_O, FLAGBIT_O); |
| 286 | else |
| 287 | set_flags (FLAGBIT_O, 0); |
| 288 | |
| 289 | switch (bytes) |
| 290 | { |
| 291 | case 1: |
| 292 | put_reg (r0l, a); |
| 293 | put_reg (r0h, b); |
| 294 | break; |
| 295 | case 2: |
| 296 | put_reg (r0, a); |
| 297 | put_reg (r2, b); |
| 298 | break; |
| 299 | case 4: |
| 300 | put_reg (r2r0, a); |
| 301 | break; |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | static void |
| 306 | index_op (int sss, int ss, int do_s, int do_d, int scale, int w) |
| 307 | { |
| 308 | srcdest sc = decode_src23 (sss, ss, w+1); |
| 309 | int v = get_src (sc) * scale; |
| 310 | tprintf("%d = %d * %d, %d %d\n", v, get_src(sc), scale, do_s, do_d); |
| 311 | decode_index (do_s * v, do_d * v); |
| 312 | } |
| 313 | #define INDEXOP(scale,do_s,do_d) \ |
| 314 | index_op (sss, ss, do_s, do_d, scale, w); goto next_opcode |
| 315 | |
| 316 | static void |
| 317 | rot_op (srcdest sd, int rotc, int count) |
| 318 | { |
| 319 | int mask = (sd.bytes == 2) ? 0xffff : 0xff; |
| 320 | int msb = (sd.bytes == 2) ? 0x8000 : 0x80; |
| 321 | int v = get_src (sd); |
| 322 | int c = carry, ct; |
| 323 | |
| 324 | tprintf("%s %x by %d\n", rotc ? "rotc" : "rot", v, count); |
| 325 | tprintf (": %s %d\n", bits(v, 8*sd.bytes), c); |
| 326 | while (count > 0) |
| 327 | { |
| 328 | ct = (v & msb) ? 1 : 0; |
| 329 | v <<= 1; |
| 330 | v |= rotc ? c : ct; |
| 331 | v &= mask; |
| 332 | c = ct; |
| 333 | tprintf (": %s %d\n", bits(v, 8*sd.bytes), c); |
| 334 | count --; |
| 335 | } |
| 336 | while (count < 0) |
| 337 | { |
| 338 | ct = v & 1; |
| 339 | v >>= 1; |
| 340 | v |= (rotc ? c : ct) * msb; |
| 341 | c = ct; |
| 342 | tprintf (": %s %d\n", bits(v, 8*sd.bytes), c); |
| 343 | count ++; |
| 344 | } |
| 345 | put_dest (sd, v); |
| 346 | set_szc (v, sd.bytes, c); |
| 347 | } |
| 348 | |
| 349 | static void |
| 350 | shift_op (srcdest sd, int arith, int count, int setc) |
| 351 | { |
| 352 | int mask = (sd.bytes == 2) ? 0xffff : 0xff; |
| 353 | int msb = (sd.bytes == 2) ? 0x8000 : 0x80; |
| 354 | int v = get_src (sd); |
| 355 | int c = 0; |
| 356 | int o = 0; |
| 357 | |
| 358 | if (sd.bytes == 4) |
| 359 | { |
| 360 | mask = 0xffffffffU; |
| 361 | msb = 0x80000000U; |
| 362 | } |
| 363 | |
| 364 | tprintf("%s %x by %d\n", arith ? "sha" : "shl", v, count); |
| 365 | tprintf (": %s %d %d\n", bits(v, 8*sd.bytes), c, o); |
| 366 | while (count > 0) |
| 367 | { |
| 368 | c = (v & msb) ? 1 : 0; |
| 369 | v <<= 1; |
| 370 | v &= mask; |
| 371 | if (c != ((v & msb) ? 1 : 0)) |
| 372 | o = 1; |
| 373 | tprintf (": %s %d %d\n", bits(v, 8*sd.bytes), c, o); |
| 374 | count --; |
| 375 | } |
| 376 | while (count < 0) |
| 377 | { |
| 378 | c = v & 1; |
| 379 | if (arith) |
| 380 | v = (v & msb) | (v >> 1); |
| 381 | else |
| 382 | v = (v >> 1) & (msb - 1); |
| 383 | tprintf (": %s %d %d\n", bits(v, 8*sd.bytes), c, o); |
| 384 | count ++; |
| 385 | } |
| 386 | put_dest (sd, v); |
| 387 | set_sz (v, sd.bytes); |
| 388 | if (setc) |
| 389 | set_c (c); |
| 390 | set_flags (FLAGBIT_O, o ? FLAGBIT_O : 0); |
| 391 | } |
| 392 | |
| 393 | static int pcs[16]; |
| 394 | static int ipcs = 0; |
| 395 | |
| 396 | int |
| 397 | decode_m32c() |
| 398 | { |
| 399 | unsigned char op[40]; |
| 400 | int opi; |
| 401 | int v, a, b; |
| 402 | long long ll; |
| 403 | srcdest sc, dc; |
| 404 | int imm; |
| 405 | int bitindex = -1; |
| 406 | int t0, t1=0, t2, t3=0; |
| 407 | int ta0, ta1, dif; |
| 408 | |
| 409 | step_result = M32C_MAKE_STEPPED (); |
| 410 | |
| 411 | decode_indirect (0, 0); |
| 412 | decode_index (0, 0); |
| 413 | |
| 414 | next_opcode: |
| 415 | opi = 0; |
| 416 | m32c_opcode_pc = get_reg (pc); |
| 417 | |
| 418 | tprintf("trace: decode pc = %06x\n", m32c_opcode_pc); |
| 419 | |
| 420 | if (m32c_opcode_pc == 0) |
| 421 | { |
| 422 | int i; |
| 423 | printf("Abort: PC is zero, here from:\n"); |
| 424 | for (i=0; i<4; i++) |
| 425 | printf(" 0x%06x\n", pcs[(ipcs+15-i)%16]); |
| 426 | return M32C_MAKE_HIT_BREAK (); |
| 427 | } |
| 428 | pcs[ipcs++] = m32c_opcode_pc; |
| 429 | ipcs %= 16; |
| 430 | |
| 431 | /** VARY sss 000 001 010 011 100 */ |
| 432 | /** VARY ddd 000 001 010 011 100 */ |
| 433 | |
| 434 | /** 0000 1001 indirect dest */ |
| 435 | |
| 436 | decode_indirect (0, 1); |
| 437 | goto next_opcode; |
| 438 | |
| 439 | /** 0100 0001 indirect src */ |
| 440 | |
| 441 | decode_indirect (1, 0); |
| 442 | goto next_opcode; |
| 443 | |
| 444 | /** 0100 1001 indirect src and dest */ |
| 445 | |
| 446 | decode_indirect (1, 1); |
| 447 | goto next_opcode; |
| 448 | |
| 449 | /** 1010 ddd w dd01 1111 ABS.size dest */ |
| 450 | |
| 451 | prefix (0, 1, 0); |
| 452 | dc = decode_dest23 (ddd, dd, w+1); |
| 453 | v = sign_ext (get_src (dc), w?16:8); |
| 454 | a = v<0 ? -v : v; |
| 455 | tprintf("abs(%d) = %d\n", v, a); |
| 456 | set_osz(a, w+1); |
| 457 | put_dest (dc, a); |
| 458 | |
| 459 | /** 0000 0001 1000 ddd w dd10 1110 ADC.size #IMM,dest */ |
| 460 | |
| 461 | prefix (0, 0, 0); |
| 462 | dc = decode_dest23 (ddd, dd, w+1); |
| 463 | imm = IMM (w+1); |
| 464 | MATH_OP (dc, imm, carry, +); |
| 465 | |
| 466 | /** 0000 0001 1sss ddd w dd ss 0100 ADC.size src,dest */ |
| 467 | |
| 468 | prefix (0, 0, 0); |
| 469 | sc = decode_src23 (sss, ss, w+1); |
| 470 | dc = decode_dest23 (ddd, dd, w+1); |
| 471 | b = get_src (sc); |
| 472 | MATH_OP (dc, b, carry, +); |
| 473 | |
| 474 | /** 1011 ddd w dd01 1110 ADCF.size dest */ |
| 475 | |
| 476 | prefix (0, 1, 0); |
| 477 | dc = decode_dest23 (ddd, dd, w+1); |
| 478 | MATH_OP (dc, 0, carry, +); |
| 479 | |
| 480 | /** 1000 ddd w dd10 1110 ADD.size:G #IMM,dest */ |
| 481 | |
| 482 | prefix (0, 1, 0); |
| 483 | dc = decode_dest23(ddd, dd, w+1); |
| 484 | imm = IMM(w+1); |
| 485 | MATH_OP (dc, imm, 0, +); |
| 486 | |
| 487 | /** 1000 ddd0 dd11 0001 ADD.L:G #IMM,dest */ |
| 488 | |
| 489 | prefix (0, 1, 0); |
| 490 | dc = decode_dest23(ddd, dd, 4); |
| 491 | imm = IMM(4); |
| 492 | MATH_OP (dc, imm, 0, +); |
| 493 | |
| 494 | /** 111L ddd w dd11 immm ADD.size:Q #IMM,dest */ |
| 495 | |
| 496 | prefix (0, 1, 0); |
| 497 | dc = decode_dest23(ddd, dd, L ? 4 : (w+1)); |
| 498 | imm = sign_ext (immm, 4); |
| 499 | MATH_OP (dc, imm, 0, +); |
| 500 | |
| 501 | /** 00dd 011w ADD.size:S #IMM,dest */ |
| 502 | |
| 503 | prefix (0, 1, 0); |
| 504 | dc = decode_dest2(dd, w+1); |
| 505 | imm = IMM (w+1); |
| 506 | MATH_OP (dc, imm, 0, +); |
| 507 | |
| 508 | /** 10i0 110d ADD.L:S #IMM,A0/A1 */ |
| 509 | |
| 510 | prefix (0, 0, 0); |
| 511 | dc = reg_sd (d ? a1 : a0); |
| 512 | imm = i ? 2 : 1; |
| 513 | MATH_OP (dc, imm, 0, +); |
| 514 | |
| 515 | /** 1sss ddd w dd ss 1000 ADD.size:G src,dest */ |
| 516 | |
| 517 | prefix (1, 1, 0); |
| 518 | sc = decode_src23(sss, ss, w+1); |
| 519 | dc = decode_dest23(ddd, dd, w+1); |
| 520 | b = get_src (sc); |
| 521 | MATH_OP (dc, b, 0, +); |
| 522 | |
| 523 | /** 1sss ddd1 dd ss 0010 ADD.L:G src,dest */ |
| 524 | |
| 525 | prefix (1, 1, 0); |
| 526 | sc = decode_src23(sss, ss, 4); |
| 527 | dc = decode_dest23(ddd, dd, 4); |
| 528 | b = get_src (sc); |
| 529 | MATH_OP (dc, b, 0, +); |
| 530 | |
| 531 | /** 1011 0110 0001 0011 ADD.L:G #IMM16,SP */ |
| 532 | |
| 533 | prefix (0, 0, 0); |
| 534 | dc = reg_sd (sp); |
| 535 | b = sign_ext (IMM(2), 16); |
| 536 | MATH_OP (dc, b, 0, +); |
| 537 | |
| 538 | /** 01ii 001i ADD.L:Q #IMM3,SP */ |
| 539 | |
| 540 | prefix (0, 0, 0); |
| 541 | dc = reg_sd (sp); |
| 542 | b = ii * 2 + i + 1; |
| 543 | MATH_OP (dc, b, 0, +); |
| 544 | |
| 545 | /** 1011 0110 0000 0011 ADD.L:S #IMM8,SP */ |
| 546 | |
| 547 | prefix (0, 0, 0); |
| 548 | dc = reg_sd (sp); |
| 549 | b = sign_ext (IMM(1), 8); |
| 550 | MATH_OP (dc, b, 0, +); |
| 551 | |
| 552 | /** 1000 ddd0 dd01 0001 ADDX #IMM,dest */ |
| 553 | |
| 554 | prefix (0, 1, 0); |
| 555 | dc = decode_dest23(ddd, dd, 4); |
| 556 | imm = sign_ext (IMM(1), 8); |
| 557 | MATH_OP (dc, imm, 0, +); |
| 558 | |
| 559 | /** 1sss ddd0 dd ss 0010 ADDX src,dest */ |
| 560 | |
| 561 | prefix (1, 1, 0); |
| 562 | sc = decode_src23(sss, ss, 1); |
| 563 | dc = decode_dest23(ddd, dd, 4); |
| 564 | b = sign_ext (get_src (sc), 8); |
| 565 | MATH_OP (dc, b, 0, +); |
| 566 | |
| 567 | /** 1111 ddd w dd01 immm ADJNZ.size #IMM,dest,label */ |
| 568 | |
| 569 | prefix (0, 0, 0); |
| 570 | dc = decode_dest23 (ddd, dd, w+1); |
| 571 | v = get_src (dc); |
| 572 | imm = sign_ext(immm, 4); |
| 573 | tprintf("%d + %d = %d\n", v, imm, v+imm); |
| 574 | v += imm; |
| 575 | put_dest (dc, v); |
| 576 | a = sign_ext (IMM(1), 8); |
| 577 | if ((v & (w ? 0xffff : 0xff)) != 0) |
| 578 | { |
| 579 | tprintf("jmp: %x + 2 + %d = ", get_reg (pc), a); |
| 580 | put_reg (pc, m32c_opcode_pc + 2 + a); |
| 581 | tprintf("%x\n", get_reg (pc)); |
| 582 | } |
| 583 | |
| 584 | /** 1000 ddd w dd11 1111 AND.size:G #IMM,dest */ |
| 585 | |
| 586 | prefix (0, 1, 0); |
| 587 | dc = decode_dest23(ddd, dd, w+1); |
| 588 | imm = IMM(w+1); |
| 589 | LOGIC_OP (dc, imm, &); |
| 590 | |
| 591 | /** 01dd 110w AND.size:S #IMM,dest */ |
| 592 | |
| 593 | prefix (0, 1, 0); |
| 594 | dc = decode_dest2(dd, w+1); |
| 595 | imm = IMM (w+1); |
| 596 | LOGIC_OP (dc, imm, &); |
| 597 | |
| 598 | /** 1sss ddd w dd ss 1101 AND.size:G src,dest */ |
| 599 | |
| 600 | prefix (1, 1, 0); |
| 601 | sc = decode_src23(sss, ss, w+1); |
| 602 | dc = decode_dest23(ddd, dd, w+1); |
| 603 | b = get_src (sc); |
| 604 | LOGIC_OP (dc, b, &); |
| 605 | |
| 606 | /** 0000 0001 1101 sss0 ss00 1bit BAND src */ |
| 607 | |
| 608 | sc = decode_src23 (sss, ss, 1); |
| 609 | BIT_OPC (sc, bit, b & carry); |
| 610 | |
| 611 | /** 1101 ddd0 dd11 0bit BCLR dest */ |
| 612 | |
| 613 | dc = decode_dest23 (ddd, dd, 1); |
| 614 | BIT_OP (dc, bit, 0); |
| 615 | |
| 616 | /** 1100 ddd w dd10 1110 BITINDEX.size src */ |
| 617 | |
| 618 | prefix (0, 0, 0); |
| 619 | dc = decode_dest23 (ddd, dd, w+1); |
| 620 | bitindex = get_src (dc); |
| 621 | tprintf ("bitindex set to %d\n", bitindex); |
| 622 | goto next_opcode; |
| 623 | |
| 624 | /** 1101 ddd0 dd01 0bit BMcnd dest */ |
| 625 | |
| 626 | prefix (0, 0, 0); |
| 627 | dc = decode_dest23 (ddd, dd, 1); |
| 628 | if (condition_true (IMM (1))) |
| 629 | put_bit2 (dc, bit, 1); |
| 630 | else |
| 631 | put_bit2 (dc, bit, 0); |
| 632 | |
| 633 | /** 1101 1001 0c10 1cnd BMcnd C */ |
| 634 | |
| 635 | prefix (0, 0, 0); |
| 636 | if (condition_true (c * 8 + cnd)) |
| 637 | set_c (1); |
| 638 | else |
| 639 | set_c (0); |
| 640 | |
| 641 | /** 0000 0001 1101 sss0 ss01 1bit BNAND src */ |
| 642 | |
| 643 | prefix (0, 0, 0); |
| 644 | sc = decode_src23 (sss, ss, 1); |
| 645 | BIT_OPC (sc, bit, !b & carry); |
| 646 | |
| 647 | /** 0000 0001 1101 sss0 ss11 0bit BNOR src */ |
| 648 | |
| 649 | prefix (0, 0, 0); |
| 650 | sc = decode_src23 (sss, ss, 1); |
| 651 | BIT_OPC (sc, bit, !b | carry); |
| 652 | |
| 653 | /** 1101 ddd0 dd01 1bit BNOT dest */ |
| 654 | |
| 655 | prefix (0, 0, 0); |
| 656 | dc = decode_dest23 (ddd, dd, 1); |
| 657 | BIT_OP (dc, bit, !b); |
| 658 | |
| 659 | /** 0000 0001 1101 sss0 ss00 0bit BNTST src */ |
| 660 | |
| 661 | prefix (0, 0, 0); |
| 662 | sc = decode_dest23 (sss, ss, 1); |
| 663 | b = get_bit2 (sc, bit); |
| 664 | set_zc (!b, !b); |
| 665 | |
| 666 | /** 0000 0001 1101 sss0 ss11 1bit BNXOR src */ |
| 667 | |
| 668 | prefix (0, 0, 0); |
| 669 | sc = decode_src23 (sss, ss, 1); |
| 670 | BIT_OPC (sc, bit, !b ^ carry); |
| 671 | |
| 672 | /** 0000 0001 1101 sss0 ss10 0bit BOR src */ |
| 673 | |
| 674 | prefix (0, 0, 0); |
| 675 | sc = decode_src23 (sss, ss, 1); |
| 676 | BIT_OPC (sc, bit, b | carry); |
| 677 | |
| 678 | /** 0000 0000 BRK */ |
| 679 | |
| 680 | /* We report the break to our caller with the PC still pointing at the |
| 681 | breakpoint instruction. */ |
| 682 | put_reg (pc, m32c_opcode_pc); |
| 683 | if (verbose) |
| 684 | printf("[break]\n"); |
| 685 | if (in_gdb || (regs.r_intbl == 0 && regs.r_intbh == 0)) |
| 686 | return M32C_MAKE_HIT_BREAK (); |
| 687 | if (mem_get_qi (0xFFFFE7) == 0xff) |
| 688 | trigger_based_interrupt (0); |
| 689 | else |
| 690 | trigger_fixed_interrupt (0xFFFFE4); |
| 691 | |
| 692 | /** 1111 1110 GBRK */ |
| 693 | |
| 694 | /* This alternate break, which is not part of the chip's opcode set, |
| 695 | is here in case you need to debug a program that itself uses the |
| 696 | chip's BRK opcode. You'll need to modify your copy of GDB to use |
| 697 | this opcode instead of the real BRK. */ |
| 698 | |
| 699 | /* GDB Break. */ |
| 700 | /* We report the break to our caller with the PC still pointing at the |
| 701 | breakpoint instruction. */ |
| 702 | put_reg (pc, m32c_opcode_pc); |
| 703 | if (verbose) |
| 704 | printf("[gdb break]\n"); |
| 705 | return M32C_MAKE_HIT_BREAK (); |
| 706 | |
| 707 | /** 0000 1000 BRK2 */ |
| 708 | |
| 709 | if (verbose) |
| 710 | printf("[break2]\n"); |
| 711 | if (in_gdb) |
| 712 | return M32C_MAKE_HIT_BREAK (); |
| 713 | if (mem_get_qi (0xFFFFE7) == 0xff) |
| 714 | trigger_based_interrupt (0); |
| 715 | else |
| 716 | trigger_fixed_interrupt (0xFFFFE4); |
| 717 | |
| 718 | /** 1101 ddd0 dd11 1bit BSET dest */ |
| 719 | |
| 720 | dc = decode_dest23 (ddd, dd, 1); |
| 721 | BIT_OP (dc, bit, 1); |
| 722 | |
| 723 | /** 1101 sss0 ss00 0bit BTST:G src */ |
| 724 | |
| 725 | prefix (0, 0, 0); |
| 726 | sc = decode_src23 (sss, ss, 1); |
| 727 | b = get_bit2 (sc, bit); |
| 728 | set_zc (!b, b); |
| 729 | |
| 730 | /** 00bb 101b BTST:S src */ |
| 731 | |
| 732 | sc = decode_src23 (3, 3, 1); /* bit,base:19 */ |
| 733 | b = get_bit2 (sc, bb*2 + b); |
| 734 | set_zc (!b, b); |
| 735 | |
| 736 | /** 1101 ddd0 dd10 0bit BTSTC dest */ |
| 737 | |
| 738 | prefix (0, 0, 0); |
| 739 | sc = decode_dest23 (ddd, dd, 1); |
| 740 | b = get_bit2 (sc, bit); |
| 741 | set_zc (!b, b); |
| 742 | put_bit2 (sc, bit, 0); |
| 743 | |
| 744 | /** 1101 ddd0 dd10 1bit BTSTS dest */ |
| 745 | |
| 746 | prefix (0, 0, 0); |
| 747 | sc = decode_dest23 (ddd, dd, 1); |
| 748 | b = get_bit2 (sc, bit); |
| 749 | set_zc (!b, b); |
| 750 | put_bit2 (sc, bit, 1); |
| 751 | |
| 752 | /** 0000 0001 1101 sss0 ss10 1bit BXOR src */ |
| 753 | |
| 754 | prefix (0, 0, 0); |
| 755 | sc = decode_src23 (sss, ss, 1); |
| 756 | BIT_OPC (sc, bit, b ^ carry); |
| 757 | |
| 758 | /** 0000 0001 1000 ddd w dd11 1110 CLIP.size #IMM1,#IMM2,dest */ |
| 759 | |
| 760 | prefix (0, 0, 0); |
| 761 | dc = decode_dest23 (ddd, dd, w+1); |
| 762 | a = sign_ext (IMM(w+1), w*8+8); |
| 763 | b = sign_ext (IMM(w+1), w*8+8); |
| 764 | v = sign_ext (get_src (dc), w*8+8); |
| 765 | tprintf("clip %d <= %d <= %d : ", a, v, b); |
| 766 | if (a > v) |
| 767 | v = a; |
| 768 | if (v > b) |
| 769 | v = b; |
| 770 | tprintf("%d\n", v); |
| 771 | put_dest (dc, v); |
| 772 | |
| 773 | /** 1001 ddd w dd10 1110 CMP.size:G #IMM,dest */ |
| 774 | |
| 775 | prefix (0, 1, 0); |
| 776 | dc = decode_dest23 (ddd, dd, w+1); |
| 777 | v = get_src (dc); |
| 778 | imm = IMM(w+1); |
| 779 | cmp (v, imm, w+1); |
| 780 | |
| 781 | /** 1010 ddd0 dd11 0001 CMP.L:G #IMM32,dest */ |
| 782 | |
| 783 | prefix (0, 1, 0); |
| 784 | dc = decode_dest23 (ddd, dd, 4); |
| 785 | v = get_src (dc); |
| 786 | imm = IMM(4); |
| 787 | cmp (v, imm, 4); |
| 788 | |
| 789 | /** 1110 ddd w dd01 immm CMP.size:Q #IMM,dest */ |
| 790 | |
| 791 | prefix (0, 1, 0); |
| 792 | dc = decode_dest23 (ddd, dd, w+1); |
| 793 | v = get_src (dc); |
| 794 | immm = sign_ext (immm, 4); |
| 795 | cmp (v, immm, w+1); |
| 796 | |
| 797 | /** 01dd 011w CMP.size:S #IMM,dest */ |
| 798 | |
| 799 | prefix (0, 1, 0); |
| 800 | dc = decode_dest2 (dd, w+1); |
| 801 | v = get_src (dc); |
| 802 | imm = sign_ext (IMM(w+1),w*8+8); |
| 803 | cmp (v, imm, w+1); |
| 804 | |
| 805 | /** 1sss ddd w dd ss 0110 CMP.size:G src,dest */ |
| 806 | |
| 807 | prefix (1, 1, 0); |
| 808 | sc = decode_src23 (sss, ss, w+1); |
| 809 | dc = decode_dest23 (ddd, dd, w+1); |
| 810 | a = get_src (dc); |
| 811 | b = get_src (sc); |
| 812 | cmp (a, b, w+1); |
| 813 | |
| 814 | /** 1sss ddd1 dd ss 0001 CMP.L:G src,dest */ |
| 815 | |
| 816 | prefix (1, 1, 0); |
| 817 | sc = decode_src23 (sss, ss, 4); |
| 818 | dc = decode_dest23 (ddd, dd, 4); |
| 819 | a = get_src (dc); |
| 820 | b = get_src (sc); |
| 821 | cmp (a, b, 4); |
| 822 | |
| 823 | /** 01dd 000w CMP.size:S src,R0/R0L */ |
| 824 | |
| 825 | prefix (0, 1, 0); |
| 826 | dc = decode_dest2 (dd, w+1); |
| 827 | a = get_reg (w ? r0 : r0l); |
| 828 | b = get_src (dc); |
| 829 | cmp (a, b, w+1); |
| 830 | |
| 831 | /** 1010 ddd0 dd01 0001 CMPX #IMM,dest */ |
| 832 | |
| 833 | prefix (0, 1, 0); |
| 834 | dc = decode_dest23 (ddd, dd, 4); |
| 835 | v = get_src (dc); |
| 836 | imm = sign_ext (IMM(1), 8); |
| 837 | cmp (v, imm, 4); |
| 838 | |
| 839 | /** 0000 0001 1000 ddd w dd00 1110 DADC.size #IMM,dest */ |
| 840 | |
| 841 | DADDI(1,1); |
| 842 | |
| 843 | /** 0000 0001 1sss ddd w dd ss 1000 DADC.size src,dest */ |
| 844 | |
| 845 | DADDV(1,1); |
| 846 | |
| 847 | /** 0000 0001 1000 ddd w dd01 1110 DADD.size #IMM,dest */ |
| 848 | |
| 849 | DADDI(1,0); |
| 850 | |
| 851 | /** 0000 0001 1sss ddd w dd ss 0000 DADD.size src,dest */ |
| 852 | |
| 853 | DADDV(1,0); |
| 854 | |
| 855 | /** 1011 ddd w dd00 1110 DEC.size dest */ |
| 856 | |
| 857 | prefix (0, 1, 0); |
| 858 | dc = decode_dest23 (ddd, dd, w+1); |
| 859 | a = get_src (dc); |
| 860 | v = a-1; |
| 861 | tprintf ("%x -- = %x\n", a, v); |
| 862 | set_sz (v, w+1); |
| 863 | put_dest (dc, v); |
| 864 | |
| 865 | /** 1011 0000 010w 0011 DIV.size #IMM */ |
| 866 | |
| 867 | prefix (0, 0, 0); |
| 868 | div_op (-1, 0, 0, 0, w+1); |
| 869 | |
| 870 | /** 1000 sss w ss01 1110 DIV.size src */ |
| 871 | |
| 872 | prefix (0, 1, 0); |
| 873 | div_op (sss, ss, 0, 0, w+1); |
| 874 | |
| 875 | /** 0000 0001 1010 sss1 ss01 1111 DIV.L src */ |
| 876 | |
| 877 | M32C_ONLY(); |
| 878 | prefix (0, 0, 0); |
| 879 | div_op (sss, ss, 0, 0, 4); |
| 880 | |
| 881 | /** 1011 0000 000w 0011 DIVU.size #IMM */ |
| 882 | |
| 883 | prefix (0, 0, 0); |
| 884 | div_op (-1, 0, 1, 0, w+1); |
| 885 | |
| 886 | /** 1000 sss w ss00 1110 DIVU.size src */ |
| 887 | |
| 888 | prefix (0, 1, 0); |
| 889 | div_op (sss, ss, 1, 0, w+1); |
| 890 | |
| 891 | /** 0000 0001 1010 sss1 ss00 1111 DIVU.L src */ |
| 892 | |
| 893 | M32C_ONLY(); |
| 894 | prefix (0, 0, 0); |
| 895 | div_op (sss, ss, 1, 0, 4); |
| 896 | |
| 897 | /** 1011 0010 010w 0011 DIVX.size #IMM */ |
| 898 | |
| 899 | prefix (0, 0, 0); |
| 900 | div_op (-1, 0, 0, 1, w+1); |
| 901 | |
| 902 | /** 1001 sss w ss01 1110 DIVX.size src */ |
| 903 | |
| 904 | prefix (0, 1, 0); |
| 905 | div_op (sss, ss, 0, 1, w+1); |
| 906 | |
| 907 | /** 0000 0001 1010 sss1 ss10 1111 DIVX.L src */ |
| 908 | |
| 909 | M32C_ONLY(); |
| 910 | prefix (0, 0, 0); |
| 911 | div_op (sss, ss, 0, 1, 4); |
| 912 | |
| 913 | /** 0000 0001 1001 ddd w dd00 1110 DSBB.size #IMM,dest */ |
| 914 | |
| 915 | DADDI(0,1); |
| 916 | |
| 917 | /** 0000 0001 1sss ddd w dd ss 1010 DSBB.size src,dest */ |
| 918 | |
| 919 | DADDV(0,1); |
| 920 | |
| 921 | /** 0000 0001 1001 ddd w dd01 1110 DSUB.size #IMM,dest */ |
| 922 | |
| 923 | DADDI(0,0); |
| 924 | |
| 925 | /** 0000 0001 1sss ddd w dd ss 0010 DSUB.size src,dest */ |
| 926 | |
| 927 | DADDV(0,0); |
| 928 | |
| 929 | /** 1110 1100 ENTER #IMM */ |
| 930 | |
| 931 | imm = IMM(1); |
| 932 | put_reg (sp, get_reg (sp) - 4); |
| 933 | mem_put_si (get_reg (sp), get_reg (fb)); |
| 934 | put_reg (fb, get_reg (sp)); |
| 935 | put_reg (sp, get_reg (sp) - imm); |
| 936 | |
| 937 | /** 1111 1100 EXITD */ |
| 938 | |
| 939 | put_reg (sp, get_reg (fb)); |
| 940 | put_reg (fb, mem_get_si (get_reg (sp))); |
| 941 | put_reg (sp, get_reg (sp) + 4); |
| 942 | put_reg (pc, mem_get_si (get_reg (sp))); |
| 943 | put_reg (sp, get_reg (sp) + 4); |
| 944 | |
| 945 | /** 1100 ddd w dd01 1110 EXTS.size dest */ |
| 946 | |
| 947 | prefix (0, 0, 0); |
| 948 | dc = decode_dest23 (ddd, dd, w+1); |
| 949 | v = sign_ext (get_src (dc), (w+1)*8); |
| 950 | dc = widen_sd (dc); |
| 951 | put_dest (dc, v); |
| 952 | set_sz (v, (w+1)*2); |
| 953 | |
| 954 | /** 0000 0001 1sss ddd0 dd ss 0111 EXTS.B src,dest */ |
| 955 | |
| 956 | prefix (0, 0, 0); |
| 957 | sc = decode_src23 (sss, ss, 1); |
| 958 | dc = decode_dest23 (ddd, dd, 2); |
| 959 | v = sign_ext (get_src (sc), 8); |
| 960 | put_dest (dc, v); |
| 961 | set_sz (v, 16); |
| 962 | |
| 963 | /** 0000 0001 1sss ddd0 dd ss 1011 EXTZ src,dest */ |
| 964 | |
| 965 | prefix (0, 0, 0); |
| 966 | sc = decode_src23 (sss, ss, 1); |
| 967 | dc = decode_dest23 (ddd, dd, 2); |
| 968 | v = get_src (sc); |
| 969 | put_dest (dc, v); |
| 970 | set_sz (v, 16); |
| 971 | |
| 972 | /** 1101 0011 1110 1dst FCLR dest */ |
| 973 | |
| 974 | set_flags (1 << dst, 0); |
| 975 | |
| 976 | /** 1001 1111 FREIT */ |
| 977 | |
| 978 | NOTYET(); |
| 979 | |
| 980 | /** 1101 0001 1110 1dst FSET dest */ |
| 981 | |
| 982 | set_flags (1 << dst, 1 << dst); |
| 983 | |
| 984 | /** 1010 ddd w dd00 1110 INC.size dest */ |
| 985 | |
| 986 | prefix (0, 1, 0); |
| 987 | dc = decode_dest23 (ddd, dd, w+1); |
| 988 | a = get_src (dc); |
| 989 | v = a+1; |
| 990 | tprintf ("%x ++ = %x\n", a, v); |
| 991 | set_sz (v, w+1); |
| 992 | put_dest (dc, v); |
| 993 | |
| 994 | /** 1000 sss0 ss0w 0011 INDEXB.size src */ |
| 995 | INDEXOP(1, 1, 1); |
| 996 | /** 1010 sss0 ss0w 0011 INDEXBD.size src */ |
| 997 | INDEXOP(1, 0, 1); |
| 998 | /** 1100 sss0 ss0w 0011 INDEXBS.size src */ |
| 999 | INDEXOP(1, 1, 0); |
| 1000 | /** 1001 sss0 ss1w 0011 INDEXL.size src */ |
| 1001 | INDEXOP(4, 1, 1); |
| 1002 | /** 1011 sss0 ss1w 0011 INDEXLD.size src */ |
| 1003 | INDEXOP(4, 0, 1); |
| 1004 | /** 1001 sss0 ss0w 0011 INDEXLS.size src */ |
| 1005 | INDEXOP(4, 1, 0); |
| 1006 | /** 1000 sss0 ss1w 0011 INDEXW.size src */ |
| 1007 | INDEXOP(2, 1, 1); |
| 1008 | /** 1010 sss0 ss1w 0011 INDEXWD.size src */ |
| 1009 | INDEXOP(2, 0, 1); |
| 1010 | /** 1100 sss0 ss1w 0011 INDEXWS.size src */ |
| 1011 | INDEXOP(2, 1, 0); |
| 1012 | |
| 1013 | /** 1011 1110 vector00 INT #IMM */ |
| 1014 | |
| 1015 | prefix (0, 0, 0); |
| 1016 | trigger_based_interrupt (vector); |
| 1017 | |
| 1018 | /** 1011 1111 INTO */ |
| 1019 | |
| 1020 | prefix (0, 0, 0); |
| 1021 | if (FLAG_O) |
| 1022 | trigger_fixed_interrupt (0xffffe0); |
| 1023 | |
| 1024 | /** 1ccc 101c Jcnd label */ |
| 1025 | |
| 1026 | prefix (0, 0, 0); |
| 1027 | v = sign_ext (IMM(1), 8); |
| 1028 | if (condition_true (ccc*2+c)) |
| 1029 | put_reg (pc, m32c_opcode_pc + 1 + v); |
| 1030 | |
| 1031 | /** 01dd 101d JMP.S label */ |
| 1032 | |
| 1033 | prefix (0, 0, 0); |
| 1034 | put_reg (pc, m32c_opcode_pc + (dd*2+d) + 2); |
| 1035 | |
| 1036 | /** 1011 1011 JMP.B label */ |
| 1037 | |
| 1038 | prefix (0, 0, 0); |
| 1039 | imm = sign_ext (IMM(1), 8); |
| 1040 | if (imm == -1) |
| 1041 | { |
| 1042 | if (verbose) |
| 1043 | printf("[jmp-to-self detected as exit]\n"); |
| 1044 | return M32C_MAKE_HIT_BREAK (); |
| 1045 | } |
| 1046 | put_reg (pc, m32c_opcode_pc + 1 + imm); |
| 1047 | |
| 1048 | /** 1100 1110 JMP.W label */ |
| 1049 | |
| 1050 | prefix (0, 0, 0); |
| 1051 | imm = sign_ext (IMM(2), 16); |
| 1052 | put_reg (pc, m32c_opcode_pc + 1 + imm); |
| 1053 | |
| 1054 | /** 1100 1100 JMP.A label */ |
| 1055 | |
| 1056 | prefix (0, 0, 0); |
| 1057 | imm = IMM(3); |
| 1058 | put_reg (pc, imm); |
| 1059 | |
| 1060 | /** 1100 sss1 ss00 1111 JMPI.W src */ |
| 1061 | |
| 1062 | prefix (0, 0, 0); |
| 1063 | sc = decode_src23 (sss, ss, 2); |
| 1064 | a = get_src (sc); |
| 1065 | a = sign_ext (a, 16); |
| 1066 | put_reg (pc, m32c_opcode_pc + a); |
| 1067 | |
| 1068 | /** 1000 sss0 ss00 0001 JMPI.A src */ |
| 1069 | |
| 1070 | prefix (0, 0, 0); |
| 1071 | sc = decode_src23 (sss, ss, 3); |
| 1072 | a = get_src (sc); |
| 1073 | put_reg (pc, a); |
| 1074 | |
| 1075 | /** 1101 1100 JMPS #IMM8 */ |
| 1076 | |
| 1077 | prefix (0, 0, 0); |
| 1078 | imm = IMM(1); |
| 1079 | a = 0xff0000 + mem_get_hi (0xfffe00 - imm * 2); |
| 1080 | put_reg (pc, a); |
| 1081 | |
| 1082 | /** 1100 1111 JSR.W label */ |
| 1083 | |
| 1084 | prefix (0, 0, 0); |
| 1085 | imm = sign_ext (IMM(2), 16); |
| 1086 | put_reg (sp, get_reg (sp) - 4); |
| 1087 | mem_put_si (get_reg (sp), get_reg (pc)); |
| 1088 | put_reg (pc, m32c_opcode_pc + imm + 1); |
| 1089 | |
| 1090 | /** 1100 1101 JSR.A label */ |
| 1091 | |
| 1092 | prefix (0, 0, 0); |
| 1093 | imm = IMM(3); |
| 1094 | put_reg (sp, get_reg (sp) - 4); |
| 1095 | mem_put_si (get_reg (sp), get_reg (pc)); |
| 1096 | put_reg (pc, imm); |
| 1097 | |
| 1098 | /** 1100 sss1 ss01 1111 JSRI.W src */ |
| 1099 | |
| 1100 | prefix (0, 0, 0); |
| 1101 | sc = decode_src23 (sss, ss, 2); |
| 1102 | a = get_src (sc); |
| 1103 | a = sign_ext (a, 16); |
| 1104 | put_reg (sp, get_reg (sp) - 4); |
| 1105 | mem_put_si (get_reg (sp), get_reg (pc)); |
| 1106 | put_reg (pc, m32c_opcode_pc + a); |
| 1107 | |
| 1108 | /** 1001 sss0 ss00 0001 JSRI.A src */ |
| 1109 | |
| 1110 | prefix (0, 0, 0); |
| 1111 | sc = decode_src23 (sss, ss, 3); |
| 1112 | a = get_src (sc); |
| 1113 | put_reg (sp, get_reg (sp) - 4); |
| 1114 | mem_put_si (get_reg (sp), get_reg (pc)); |
| 1115 | put_reg (pc, a); |
| 1116 | |
| 1117 | /** 1101 1101 JSRS #IMM8 */ |
| 1118 | |
| 1119 | prefix (0, 0, 0); |
| 1120 | imm = IMM(1); |
| 1121 | a = 0xff0000 + mem_get_hi (0xfffe00 - imm * 2); |
| 1122 | put_reg (sp, get_reg (sp) - 4); |
| 1123 | mem_put_si (get_reg (sp), get_reg (pc)); |
| 1124 | put_reg (pc, a); |
| 1125 | |
| 1126 | /** 1101 0101 1010 1dst LDC #IMM16,dest */ |
| 1127 | |
| 1128 | imm = IMM(2); |
| 1129 | dc = decode_cr_b (dst, CR_B_DCT0); |
| 1130 | put_dest (dc, imm); |
| 1131 | |
| 1132 | /** 1101 0101 0010 1dst LDC #IMM24,dest */ |
| 1133 | |
| 1134 | imm = IMM(3); |
| 1135 | dc = decode_cr_b (dst, CR_B_INTB); |
| 1136 | put_dest (dc, imm); |
| 1137 | |
| 1138 | /** 1101 0101 0110 1dst LDC #IMM24,dest */ |
| 1139 | |
| 1140 | imm = IMM(3); |
| 1141 | dc = decode_cr_b (dst, CR_B_DMA0); |
| 1142 | put_dest (dc, imm); |
| 1143 | |
| 1144 | /** 0000 0001 1101 sss1 ss00 1dst LDC src,dest */ |
| 1145 | |
| 1146 | prefix (0, 0, 0); |
| 1147 | sc = decode_src23 (sss, ss, 2); |
| 1148 | dc = decode_cr_b (dst, CR_B_DCT0); |
| 1149 | a = get_src (sc); |
| 1150 | put_dest (dc, a); |
| 1151 | |
| 1152 | /** 1101 sss1 ss00 0dst LDC src,dest */ |
| 1153 | |
| 1154 | prefix (0, 0, 0); |
| 1155 | sc = decode_src23 (sss, ss, 3); |
| 1156 | dc = decode_cr_b (dst, CR_B_INTB); |
| 1157 | a = get_src (sc); |
| 1158 | put_dest (dc, a); |
| 1159 | |
| 1160 | /** 0000 0001 1101 sss1 ss00 0dst LDC src,dest */ |
| 1161 | |
| 1162 | prefix (0, 0, 0); |
| 1163 | sc = decode_src23 (sss, ss, 3); |
| 1164 | dc = decode_cr_b (dst, CR_B_DMA0); |
| 1165 | a = get_src (sc); |
| 1166 | put_dest (dc, a); |
| 1167 | |
| 1168 | /** 1011 0110 1100 0011 LDCTX */ |
| 1169 | |
| 1170 | NOTYET(); |
| 1171 | |
| 1172 | /** 1101 0101 1110 1imm LDIPL #IMM */ |
| 1173 | |
| 1174 | set_flags (0x7000, imm*0x1000); |
| 1175 | |
| 1176 | /** 0000 0001 1000 ddd w dd11 1111 MAX.size #IMM,dest */ |
| 1177 | |
| 1178 | prefix (0, 0, 0); |
| 1179 | w++; |
| 1180 | dc = decode_dest23 (ddd, dd, w); |
| 1181 | imm = sign_ext (IMM(w), w*8); |
| 1182 | a = sign_ext (get_src (dc), w*8); |
| 1183 | tprintf ("max %d %d\n", imm, a); |
| 1184 | if (imm > a) |
| 1185 | put_dest (dc, imm); |
| 1186 | |
| 1187 | /** 0000 0001 1sss ddd w dd ss 1101 MAX.size src,dest */ |
| 1188 | |
| 1189 | prefix (0, 0, 0); |
| 1190 | w++; |
| 1191 | sc = decode_src23 (sss, ss, w); |
| 1192 | dc = decode_dest23 (ddd, dd, w); |
| 1193 | b = sign_ext (get_src (sc), w*8); |
| 1194 | a = sign_ext (get_src (dc), w*8); |
| 1195 | tprintf ("max %d %d\n", b, a); |
| 1196 | if (b > a) |
| 1197 | put_dest (dc, b); |
| 1198 | |
| 1199 | /** 0000 0001 1000 ddd w dd10 1111 MIN.size #IMM,dest */ |
| 1200 | |
| 1201 | prefix (0, 0, 0); |
| 1202 | w++; |
| 1203 | dc = decode_dest23 (ddd, dd, w); |
| 1204 | imm = sign_ext (IMM(w), w*8); |
| 1205 | a = sign_ext (get_src (dc), w*8); |
| 1206 | tprintf ("min %d %d\n", imm, a); |
| 1207 | if (imm < a) |
| 1208 | put_dest (dc, imm); |
| 1209 | |
| 1210 | /** 0000 0001 1sss ddd w dd ss 1100 MIN.size src,dest */ |
| 1211 | |
| 1212 | prefix (0, 0, 0); |
| 1213 | w++; |
| 1214 | sc = decode_src23 (sss, ss, w); |
| 1215 | dc = decode_dest23 (ddd, dd, w); |
| 1216 | b = sign_ext (get_src (sc), w*8); |
| 1217 | a = sign_ext (get_src (dc), w*8); |
| 1218 | tprintf ("min %d %d\n", b, a); |
| 1219 | if (b < a) |
| 1220 | put_dest (dc, b); |
| 1221 | |
| 1222 | /** 1001 ddd w dd10 1111 MOV.size:G #IMM,dest */ |
| 1223 | |
| 1224 | dc = decode_dest23 (ddd, dd, w+1); |
| 1225 | imm = IMM(w+1); |
| 1226 | v = imm; |
| 1227 | tprintf("%x = %x\n", v, v); |
| 1228 | set_sz(v, w+1); |
| 1229 | put_dest (dc, v); |
| 1230 | |
| 1231 | /** 1011 ddd0 dd11 0001 MOV.L:G #IMM,dest */ |
| 1232 | |
| 1233 | dc = decode_dest23 (ddd, dd, 4); |
| 1234 | imm = IMM(4); |
| 1235 | v = imm; |
| 1236 | tprintf("%x = %x\n", v, v); |
| 1237 | set_sz(v, 4); |
| 1238 | put_dest (dc, v); |
| 1239 | |
| 1240 | /** 1111 ddd w dd10 immm MOV.size:Q #IMM4,dest */ |
| 1241 | |
| 1242 | dc = decode_dest23 (ddd, dd, w+1); |
| 1243 | imm = sign_ext (immm, 4); |
| 1244 | v = imm; |
| 1245 | tprintf("%x = %d\n", v, v); |
| 1246 | set_sz(v, w+1); |
| 1247 | put_dest (dc, v); |
| 1248 | |
| 1249 | /** 00dd 010w MOV.size:S #IMM,dest */ |
| 1250 | |
| 1251 | prefix (0, 1, 0); |
| 1252 | dc = decode_dest2 (dd, w+1); |
| 1253 | imm = IMM(w+1); |
| 1254 | put_dest (dc, imm); |
| 1255 | set_sz (imm, w+1); |
| 1256 | |
| 1257 | /** 10w1 110d MOV.size:S #IMM,a0/a1 */ |
| 1258 | |
| 1259 | imm = IMM(w ? 3 : 2); |
| 1260 | put_reg (d ? a1 : a0, imm); |
| 1261 | set_sz (imm & addr_mask, w+1); |
| 1262 | |
| 1263 | /** 00dd 001w MOV.size:Z #0,dest */ |
| 1264 | |
| 1265 | prefix (0, 1, 0); |
| 1266 | dc = decode_dest2 (dd, w+1); |
| 1267 | put_dest (dc, 0); |
| 1268 | set_sz (0, w+1); |
| 1269 | |
| 1270 | /** 1sss ddd w dd ss 1011 MOV.size:G src,dest */ |
| 1271 | |
| 1272 | prefix (1, 1, 0); |
| 1273 | sc = decode_src23 (sss, ss, w+1); |
| 1274 | dc = decode_dest23 (ddd, dd, w+1); |
| 1275 | v = get_src (sc); |
| 1276 | put_dest (dc, v); |
| 1277 | set_sz (v, w+1); |
| 1278 | |
| 1279 | /** 1sss ddd1 dd ss 0011 MOV.L:G src,dest */ |
| 1280 | |
| 1281 | prefix (1, 1, 0); |
| 1282 | sc = decode_src23 (sss, ss, 4); |
| 1283 | dc = decode_dest23 (ddd, dd, 4); |
| 1284 | v = get_src (sc); |
| 1285 | put_dest (dc, v); |
| 1286 | set_sz (v, 4); |
| 1287 | |
| 1288 | /** VARY SS 01 10 11 */ |
| 1289 | /** 00SS 100w MOV.size:S src,R0L/R0 */ |
| 1290 | |
| 1291 | prefix (0, 1, 0); |
| 1292 | sc = decode_dest2 (SS, w+1); |
| 1293 | v = get_src (sc); |
| 1294 | put_reg (w ? r0 : r0l, v); |
| 1295 | set_sz (v, w+1); |
| 1296 | |
| 1297 | /** 01ss 111w MOV.size:S src,R1L/R1 */ |
| 1298 | |
| 1299 | prefix (0, 1, 0); |
| 1300 | sc = decode_dest2 (ss, w+1); |
| 1301 | v = get_src (sc); |
| 1302 | put_reg (w ? r1 : r1l, v); |
| 1303 | set_sz (v, w+1); |
| 1304 | |
| 1305 | /** VARY DD 01 10 11 */ |
| 1306 | /** 00DD 000w MOV.size:S R0L/R0,dest */ |
| 1307 | |
| 1308 | prefix (0, 1, 0); |
| 1309 | dc = decode_dest2 (DD, w+1); |
| 1310 | v = get_reg (w ? r0 : r0l); |
| 1311 | put_dest (dc, v); |
| 1312 | set_sz (v, w+1); |
| 1313 | |
| 1314 | /** 01ss 100d MOV.L:S src,A0/A1 */ |
| 1315 | |
| 1316 | prefix (0, 1, 0); |
| 1317 | sc = decode_dest2 (ss, 4); |
| 1318 | v = get_src (sc); |
| 1319 | put_reg (d ? a1 : a0, v); |
| 1320 | set_sz (v, 4); |
| 1321 | |
| 1322 | /** 1011 ddd w dd00 1111 MOV.size:G dsp:8[SP], dest */ |
| 1323 | |
| 1324 | prefix (0, 0, 0); |
| 1325 | imm = IMM(1); |
| 1326 | dc = decode_dest23 (ddd, dd, w+1); |
| 1327 | a = get_reg (sp) + sign_ext (imm, 8); |
| 1328 | a &= addr_mask; |
| 1329 | if (w) |
| 1330 | v = mem_get_hi (a); |
| 1331 | else |
| 1332 | v = mem_get_qi (a); |
| 1333 | put_dest (dc, v); |
| 1334 | set_sz (v, w+1); |
| 1335 | |
| 1336 | /** 1010 sss w ss00 1111 MOV.size:G src,dsp:8[SP] */ |
| 1337 | |
| 1338 | prefix (0, 0, 0); |
| 1339 | sc = decode_dest23 (sss, ss, w+1); |
| 1340 | imm = IMM(1); |
| 1341 | a = get_reg (sp) + sign_ext (imm, 8); |
| 1342 | a &= addr_mask; |
| 1343 | v = get_src (sc); |
| 1344 | if (w) |
| 1345 | mem_put_hi (a, v); |
| 1346 | else |
| 1347 | mem_put_qi (a, v); |
| 1348 | set_sz (v, w+1); |
| 1349 | |
| 1350 | /** 1101 sss1 ss01 1dst MOVA src,dest */ |
| 1351 | |
| 1352 | static reg_id map[8] = { r2r0, r3r1, a0, a1 }; |
| 1353 | prefix (0, 0, 0); |
| 1354 | sc = decode_src23 (sss, ss, 1); |
| 1355 | if (!sc.mem || !map[dst]) |
| 1356 | UNSUPPORTED(); |
| 1357 | put_reg (map[dst], sc.u.addr); |
| 1358 | |
| 1359 | /** 0000 0001 1011 ddd0 dd hl 1110 MOVdir R0L,dest */ |
| 1360 | |
| 1361 | prefix (0, 0, 0); |
| 1362 | dc = decode_dest23 (ddd, dd, 1); |
| 1363 | a = get_src (dc); |
| 1364 | b = get_reg (r0l); |
| 1365 | switch (hl) |
| 1366 | { |
| 1367 | case 0: a = (a & 0xf0) | (b & 0x0f); break; |
| 1368 | case 1: a = (a & 0xf0) | ((b>>4) & 0x0f); break; |
| 1369 | case 2: a = (a & 0x0f) | ((b & 0x0f)<<4); break; |
| 1370 | case 3: a = (a & 0x0f) | (b & 0xf0); break; |
| 1371 | } |
| 1372 | put_dest (dc, a); |
| 1373 | |
| 1374 | /** 0000 0001 1010 sss0 ss hl 1110 MOVdir src,R0L */ |
| 1375 | |
| 1376 | prefix (0, 0, 0); |
| 1377 | sc = decode_dest23 (sss, ss, 1); |
| 1378 | a = get_reg (r0l); |
| 1379 | b = get_src (dc); |
| 1380 | switch (hl) |
| 1381 | { |
| 1382 | case 0: a = (a & 0xf0) | (b & 0x0f); break; |
| 1383 | case 1: a = (a & 0xf0) | ((b>>4) & 0x0f); break; |
| 1384 | case 2: a = (a & 0x0f) | ((b & 0x0f)<<4); break; |
| 1385 | case 3: a = (a & 0x0f) | (b & 0xf0); break; |
| 1386 | } |
| 1387 | put_reg (r0l, a); |
| 1388 | |
| 1389 | /** 1011 ddd0 dd01 0001 MOVX #IMM,dest */ |
| 1390 | |
| 1391 | prefix (0, 1, 0); |
| 1392 | dc = decode_dest23 (ddd, dd, 4); |
| 1393 | imm = sign_ext (IMM(1), 8); |
| 1394 | put_dest (dc, imm); |
| 1395 | set_sz (imm, 1); |
| 1396 | |
| 1397 | /** 1000 ddd w dd01 1111 MUL.size #IMM,dest */ |
| 1398 | |
| 1399 | prefix (0, 1, 0); |
| 1400 | w ++; |
| 1401 | dc = decode_dest23 (ddd, dd, w); |
| 1402 | v = sign_ext (get_src (dc), w*8); |
| 1403 | imm = sign_ext (IMM(w), w*8); |
| 1404 | tprintf("%d * %d = %d\n", v, imm, v*imm); |
| 1405 | v *= imm; |
| 1406 | dc = widen_sd (dc); |
| 1407 | put_dest (dc, v); |
| 1408 | |
| 1409 | /** 1sss ddd w dd ss 1100 MUL.size src,dest */ |
| 1410 | |
| 1411 | prefix (1, 1, 0); |
| 1412 | w ++; |
| 1413 | sc = decode_src23 (sss, ss, w); |
| 1414 | dc = decode_dest23 (ddd, dd, w); |
| 1415 | a = sign_ext (get_src (sc), w*8); |
| 1416 | b = sign_ext (get_src (dc), w*8); |
| 1417 | tprintf("%d * %d = %d\n", a, b, a*b); |
| 1418 | v = a * b; |
| 1419 | dc = widen_sd (dc); |
| 1420 | put_dest (dc, v); |
| 1421 | |
| 1422 | /** 0000 0001 1000 sss1 ss01 1111 MUL.L src,R2R0 */ |
| 1423 | |
| 1424 | M32C_ONLY(); |
| 1425 | prefix (0, 0, 0); |
| 1426 | sc = decode_src23 (sss, ss, 4); |
| 1427 | a = sign_ext (get_src (sc), 32); |
| 1428 | b = sign_ext (get_reg (r2r0), 32); |
| 1429 | ll = (long long)a * (long long)b; |
| 1430 | tprintf("%d * %d = %lld (%llx)\n", a, b, ll, ll); |
| 1431 | if (ll < b2minsigned[4] || ll > b2maxsigned[4]) |
| 1432 | set_flags (FLAGBIT_O, FLAGBIT_O); |
| 1433 | else |
| 1434 | set_flags (FLAGBIT_O, 0); |
| 1435 | put_reg (r2r0, (int)ll); |
| 1436 | |
| 1437 | /** 1100 sss1 ss11 1110 MULEX src */ |
| 1438 | |
| 1439 | prefix (0, 1, 0); |
| 1440 | sc = decode_dest23 (sss, ss, 2); |
| 1441 | a = sign_ext (get_src (sc), 16); |
| 1442 | b = sign_ext (get_reg (r2r0), 32); |
| 1443 | ll = (long long)a * (long long)b; |
| 1444 | tprintf("%d * %d = %lld (%llx)\n", a, b, ll, ll); |
| 1445 | put_reg (r2r0, (int)ll); |
| 1446 | put_reg (r1, (int)(ll >> 32)); |
| 1447 | |
| 1448 | /** 1000 ddd w dd00 1111 MULU.size #IMM,dest */ |
| 1449 | |
| 1450 | prefix (0, 1, 0); |
| 1451 | w ++; |
| 1452 | dc = decode_dest23 (ddd, dd, w); |
| 1453 | v = get_src (dc); |
| 1454 | imm = IMM(w); |
| 1455 | tprintf("%d * %d = %d\n", v, imm, v*imm); |
| 1456 | v *= imm; |
| 1457 | dc = widen_sd (dc); |
| 1458 | put_dest (dc, v); |
| 1459 | |
| 1460 | /** 1sss ddd w dd ss 0100 MULU.size src,dest */ |
| 1461 | |
| 1462 | prefix (1, 1, 0); |
| 1463 | w ++; |
| 1464 | sc = decode_src23 (sss, ss, w); |
| 1465 | dc = decode_dest23 (ddd, dd, w); |
| 1466 | a = get_src (sc); |
| 1467 | b = get_src (dc); |
| 1468 | tprintf("%d * %d = %d\n", a, b, a*b); |
| 1469 | v = a * b; |
| 1470 | dc = widen_sd (dc); |
| 1471 | put_dest (dc, v); |
| 1472 | |
| 1473 | /** 0000 0001 1000 sss1 ss00 1111 MULU.L src,R2R0 */ |
| 1474 | |
| 1475 | M32C_ONLY(); |
| 1476 | prefix (0, 0, 0); |
| 1477 | sc = decode_src23 (sss, ss, 4); |
| 1478 | a = get_src (sc); |
| 1479 | b = get_reg (r2r0); |
| 1480 | ll = (long long)a * (long long)b; |
| 1481 | tprintf("%d * %d = %lld (%llx)\n", a, b, ll, ll); |
| 1482 | if (ll < b2minsigned[4] || ll > b2maxsigned[4]) |
| 1483 | set_flags (FLAGBIT_O, FLAGBIT_O); |
| 1484 | else |
| 1485 | set_flags (FLAGBIT_O, 0); |
| 1486 | put_reg (r2r0, (int)ll); |
| 1487 | |
| 1488 | /** 1010 ddd w dd10 1111 NEG.size dest */ |
| 1489 | |
| 1490 | prefix (0, 1, 0); |
| 1491 | dc = decode_dest23 (ddd, dd, w+1); |
| 1492 | a = sign_ext (get_src (dc), (w+1)*8); |
| 1493 | v = -a; |
| 1494 | tprintf("%d * -1 = %d\n", a, v); |
| 1495 | set_oszc(v, w+1, v==0); |
| 1496 | put_dest (dc, v); |
| 1497 | |
| 1498 | /** 1101 1110 NOP */ |
| 1499 | |
| 1500 | tprintf("nop\n"); |
| 1501 | |
| 1502 | /** 1010 ddd w dd01 1110 NOT.size dest */ |
| 1503 | |
| 1504 | prefix (0, 1, 0); |
| 1505 | dc = decode_dest23 (ddd, dd, w+1); |
| 1506 | a = get_src (dc); |
| 1507 | v = ~a; |
| 1508 | tprintf("~ %x = %x\n", a, v); |
| 1509 | set_sz(v, w+1); |
| 1510 | put_dest (dc, v); |
| 1511 | |
| 1512 | /** 1000 ddd w dd10 1111 OR.size:G #IMM,dest */ |
| 1513 | |
| 1514 | prefix (0, 1, 0); |
| 1515 | dc = decode_dest23(ddd, dd, w+1); |
| 1516 | imm = IMM(w+1); |
| 1517 | LOGIC_OP (dc, imm, |); |
| 1518 | |
| 1519 | /** 01dd 010w OR.size:S #IMM,dest */ |
| 1520 | |
| 1521 | prefix (0, 1, 0); |
| 1522 | dc = decode_dest2(dd, w+1); |
| 1523 | imm = IMM (w+1); |
| 1524 | LOGIC_OP (dc, imm, |); |
| 1525 | |
| 1526 | /** 1sss ddd w dd ss 0101 OR.size:G src,dest */ |
| 1527 | |
| 1528 | prefix (1, 1, 0); |
| 1529 | sc = decode_src23(sss, ss, w+1); |
| 1530 | dc = decode_dest23(ddd, dd, w+1); |
| 1531 | b = get_src (sc); |
| 1532 | LOGIC_OP (dc, b, |); |
| 1533 | |
| 1534 | /** 1011 ddd w dd10 1111 POP.size dest */ |
| 1535 | |
| 1536 | prefix (0, 1, 0); |
| 1537 | dc = decode_dest23 (ddd, dd, w+1); |
| 1538 | if (w) |
| 1539 | a = mem_get_hi (get_reg (sp)); |
| 1540 | else |
| 1541 | a = mem_get_qi (get_reg (sp)); |
| 1542 | put_reg (sp, get_reg (sp) + 2); |
| 1543 | tprintf("pop%s: %x\n", w ? "hi" : "qi", a); |
| 1544 | put_dest (dc, a); |
| 1545 | |
| 1546 | /** 1101 0011 1010 1dst POPC dest */ |
| 1547 | |
| 1548 | prefix (0, 0, 0); |
| 1549 | dc = decode_cr_b (dst, CR_B_DCT0); |
| 1550 | a = mem_get_hi (get_reg (sp)); |
| 1551 | put_reg (sp, get_reg (sp) + 2); |
| 1552 | tprintf("pophi: %x\n", a); |
| 1553 | put_dest (dc, a); |
| 1554 | |
| 1555 | /** 1101 0011 0010 1dst POPC dest */ |
| 1556 | |
| 1557 | prefix (0, 0, 0); |
| 1558 | dc = decode_cr_b (dst, CR_B_INTB); |
| 1559 | a = mem_get_si (get_reg (sp)); |
| 1560 | put_reg (sp, get_reg (sp) + 4); |
| 1561 | tprintf("popsi: %x\n", a); |
| 1562 | put_dest (dc, a); |
| 1563 | |
| 1564 | /** 1000 1110 POPM dest */ |
| 1565 | |
| 1566 | static int map[] = { r0, r1, r2, r3, a0, a1, sb, fb }; |
| 1567 | prefix (0, 0, 0); |
| 1568 | imm = IMM(1); |
| 1569 | tprintf("popm: %x\n", imm); |
| 1570 | for (a=0; a<4; a++) |
| 1571 | if (imm & (1<<a)) |
| 1572 | { |
| 1573 | v = mem_get_hi (get_reg (sp)); |
| 1574 | put_reg (map[a], v); |
| 1575 | put_reg (sp, get_reg (sp) + 2); |
| 1576 | } |
| 1577 | for (; a<8; a++) |
| 1578 | if (imm & (1<<a)) |
| 1579 | { |
| 1580 | v = mem_get_si (get_reg (sp)); |
| 1581 | put_reg (map[a], v); |
| 1582 | put_reg (sp, get_reg (sp) + 4); |
| 1583 | } |
| 1584 | |
| 1585 | /** 1010 111w PUSH.size #IMM */ |
| 1586 | |
| 1587 | prefix (0, 0, 0); |
| 1588 | imm = IMM(w+1); |
| 1589 | tprintf("push%s: %x\n", w ? "hi" : "qi", imm); |
| 1590 | int a = get_reg (sp) - 2; |
| 1591 | if (w) |
| 1592 | mem_put_hi (a, imm); |
| 1593 | else |
| 1594 | mem_put_qi (a, imm); |
| 1595 | put_reg (sp, a); |
| 1596 | |
| 1597 | /** 1100 sss w ss00 1110 PUSH.size src */ |
| 1598 | |
| 1599 | prefix (0, 1, 0); |
| 1600 | sc = decode_dest23 (sss, ss, w+1); |
| 1601 | a = get_src (sc); |
| 1602 | put_reg (sp, get_reg (sp) - 2); |
| 1603 | if (w) |
| 1604 | mem_put_hi (get_reg (sp), a); |
| 1605 | else |
| 1606 | mem_put_qi (get_reg (sp), a); |
| 1607 | tprintf("push%s: %x\n", w ? "hi" : "qi", a); |
| 1608 | |
| 1609 | /** 1011 0110 0101 0011 PUSH.L #IMM32 */ |
| 1610 | |
| 1611 | imm = IMM(4); |
| 1612 | put_reg (sp, get_reg (sp) - 4); |
| 1613 | mem_put_si (get_reg (sp), imm); |
| 1614 | |
| 1615 | /** 1010 sss0 ss00 0001 PUSH.L src */ |
| 1616 | |
| 1617 | prefix (0, 1, 0); |
| 1618 | sc = decode_dest23 (sss, ss, 4); |
| 1619 | a = get_src (sc); |
| 1620 | put_reg (sp, get_reg (sp) - 4); |
| 1621 | mem_put_si (get_reg (sp), a); |
| 1622 | |
| 1623 | /** 1011 0sa0 ss00 0001 PUSHA src */ |
| 1624 | |
| 1625 | prefix (0, 0, 0); |
| 1626 | sc = decode_dest23 (sa, ss, 1); |
| 1627 | put_reg (sp, get_reg (sp) - 4); |
| 1628 | mem_put_hi (get_reg (sp), sc.u.addr); |
| 1629 | tprintf("pushsi: %x\n", sc.u.addr); |
| 1630 | |
| 1631 | /** 1101 0001 1010 1src PUSHC src */ |
| 1632 | |
| 1633 | prefix (0, 0, 0); |
| 1634 | sc = decode_cr_b (src, CR_B_DCT0); |
| 1635 | a = get_src (sc); |
| 1636 | put_reg (sp, get_reg (sp) - 2); |
| 1637 | mem_put_hi (get_reg (sp), a); |
| 1638 | tprintf("pushhi: %x\n", a); |
| 1639 | |
| 1640 | /** 1101 0001 0010 1src PUSHC src */ |
| 1641 | |
| 1642 | prefix (0, 0, 0); |
| 1643 | sc = decode_cr_b (src, CR_B_INTB); |
| 1644 | a = get_src (sc); |
| 1645 | put_reg (sp, get_reg (sp) - 4); |
| 1646 | mem_put_si (get_reg (sp), a); |
| 1647 | tprintf("pushsi: %x\n", a); |
| 1648 | |
| 1649 | /** 1000 1111 PUSHM src */ |
| 1650 | |
| 1651 | static int map[] = { fb, sb, a1, a0, r3, r2, r1, r0 }; |
| 1652 | imm = IMM(1); |
| 1653 | tprintf("pushm: %x\n", imm); |
| 1654 | for (a=0; a<4; a++) |
| 1655 | if (imm & (1<<a)) |
| 1656 | { |
| 1657 | put_reg (sp, get_reg (sp) - 4); |
| 1658 | v = get_reg (map[a]); |
| 1659 | mem_put_si (get_reg (sp), v); |
| 1660 | } |
| 1661 | for (; a<8; a++) |
| 1662 | if (imm & (1<<a)) |
| 1663 | { |
| 1664 | put_reg (sp, get_reg (sp) - 2); |
| 1665 | v = get_reg (map[a]); |
| 1666 | mem_put_hi (get_reg (sp), v); |
| 1667 | } |
| 1668 | |
| 1669 | /** 1001 1110 REIT */ |
| 1670 | |
| 1671 | a = get_reg (sp); |
| 1672 | put_reg (pc, mem_get_si (a)); |
| 1673 | a += 4; |
| 1674 | put_reg (flags, mem_get_hi (a)); |
| 1675 | a += 2; |
| 1676 | put_reg (sp, a); |
| 1677 | |
| 1678 | /** 1011 1000 010w 0011 RMPA.size */ |
| 1679 | |
| 1680 | int count = get_reg (r3); |
| 1681 | int list1 = get_reg (a0); |
| 1682 | int list2 = get_reg (a1); |
| 1683 | long long sum = get_reg_ll (r3r1r2r0) & 0xffffff; |
| 1684 | |
| 1685 | while (count) |
| 1686 | { |
| 1687 | if (w) |
| 1688 | { |
| 1689 | a = sign_ext (mem_get_hi (list1), 16); |
| 1690 | b = sign_ext (mem_get_hi (list2), 16); |
| 1691 | } |
| 1692 | else |
| 1693 | { |
| 1694 | a = sign_ext (mem_get_qi (list1), 8); |
| 1695 | b = sign_ext (mem_get_qi (list2), 8); |
| 1696 | } |
| 1697 | tprintf("%lld + %d * %d = ", sum, a, b); |
| 1698 | sum += a * b; |
| 1699 | tprintf("%lld\n", sum); |
| 1700 | list1 += w ? 2 : 1; |
| 1701 | list2 += w ? 2 : 1; |
| 1702 | count --; |
| 1703 | } |
| 1704 | put_reg (r3, count); |
| 1705 | put_reg (a0, list1); |
| 1706 | put_reg (a1, list2); |
| 1707 | put_reg (r2r0, (int)(sum & 0xffffffffU)); |
| 1708 | put_reg (r1, (int)(sum >> 32)); |
| 1709 | |
| 1710 | /** 1011 ddd w dd10 1110 ROLC.size dest */ |
| 1711 | |
| 1712 | prefix (0, 1, 0); |
| 1713 | dc = decode_dest23 (ddd, dd, w+1); |
| 1714 | rot_op (dc, 1, 1); |
| 1715 | |
| 1716 | /** 1010 ddd w dd10 1110 RORC.size dest */ |
| 1717 | |
| 1718 | prefix (0, 1, 0); |
| 1719 | dc = decode_dest23 (ddd, dd, w+1); |
| 1720 | rot_op (dc, 1, -1); |
| 1721 | |
| 1722 | /** 1110 ddd w dd10 immm ROT.size #IMM, dest */ |
| 1723 | |
| 1724 | prefix (0, 1, 0); |
| 1725 | dc = decode_dest23 (ddd, dd, w+1); |
| 1726 | rot_op (dc, IMM4(), -1); |
| 1727 | |
| 1728 | /** 1010 ddd w dd11 1111 ROT.size R1H,dest */ |
| 1729 | |
| 1730 | prefix (0, 1, 0); |
| 1731 | dc = decode_dest23 (ddd, dd, w+1); |
| 1732 | a = sign_ext (get_reg (r1h), 8); |
| 1733 | rot_op (dc, a, -1); |
| 1734 | |
| 1735 | /** 1101 1111 RTS */ |
| 1736 | |
| 1737 | put_reg (pc, mem_get_si (get_reg (sp))); |
| 1738 | put_reg (sp, get_reg (sp) + 4); |
| 1739 | |
| 1740 | /** 0000 0001 1001 ddd w dd10 1110 SBB.size #IMM, dest */ |
| 1741 | |
| 1742 | prefix (0, 0, 0); |
| 1743 | dc = decode_dest23 (ddd, dd, w+1); |
| 1744 | imm = IMM (w+1); |
| 1745 | MATH_OP (dc, imm, !carry, -); |
| 1746 | |
| 1747 | /** 0000 0001 1sss ddd w dd ss 0110 SBB.size src,dest */ |
| 1748 | |
| 1749 | prefix (0, 0, 0); |
| 1750 | sc = decode_src23 (sss, ss, w+1); |
| 1751 | dc = decode_dest23 (ddd, dd, w+1); |
| 1752 | MATH_OP (dc, get_src (sc), !carry, -); |
| 1753 | |
| 1754 | /** 1101 ddd1 dd11 cond SCcond dest */ |
| 1755 | |
| 1756 | prefix (0, 1, 0); |
| 1757 | dc = decode_dest23 (ddd, dd, 2); |
| 1758 | if (condition_true (cond)) |
| 1759 | put_dest (dc, 1); |
| 1760 | else |
| 1761 | put_dest (dc, 0); |
| 1762 | |
| 1763 | /** 1011 1000 110w 0011 SCMPU.size */ |
| 1764 | |
| 1765 | ta0 = get_reg (a0); |
| 1766 | ta1 = get_reg (a1); |
| 1767 | |
| 1768 | for (;;) |
| 1769 | { |
| 1770 | t0 = mem_get_qi (ta0); |
| 1771 | t2 = mem_get_qi (ta1); |
| 1772 | if (w) |
| 1773 | { |
| 1774 | t1 = mem_get_qi (ta0 + 1); |
| 1775 | t3 = mem_get_qi (ta1 + 1); |
| 1776 | } |
| 1777 | dif = t0 - t2; |
| 1778 | if (dif == 0 && t0 != 0 && w) |
| 1779 | dif = t1 - t3; |
| 1780 | set_oszc (dif, 1, dif > 0); |
| 1781 | |
| 1782 | ta0 += w ? 2 : 1; |
| 1783 | ta1 += w ? 2 : 1; |
| 1784 | |
| 1785 | if (t0 == 0 || t0 != t2) |
| 1786 | break; |
| 1787 | if (w && (t1 == 0 || t1 != t3)) |
| 1788 | break; |
| 1789 | } |
| 1790 | |
| 1791 | /** 1111 ddd w dd00 immm SHA.size #IMM,dest */ |
| 1792 | |
| 1793 | prefix (0, 1, 0); |
| 1794 | dc = decode_dest23 (ddd, dd, w+1); |
| 1795 | shift_op (dc, 1, IMM4(), 1); |
| 1796 | |
| 1797 | /** 1010 ddd0 dd10 0001 SHA.L #IMM,dest */ |
| 1798 | |
| 1799 | prefix (0, 1, 0); |
| 1800 | dc = decode_dest23 (ddd, dd, 4); |
| 1801 | imm = sign_ext (IMM(1), 8); |
| 1802 | shift_op (dc, 1, imm, 1); |
| 1803 | |
| 1804 | /** 1011 ddd w dd11 1110 SHA.size R1H,dest */ |
| 1805 | |
| 1806 | prefix (0, 1, 0); |
| 1807 | dc = decode_dest23 (ddd, dd, w+1); |
| 1808 | a = sign_ext (get_reg (r1h), 8); |
| 1809 | shift_op (dc, 1, a, 1); |
| 1810 | |
| 1811 | /** 1100 ddd0 dd01 0001 SHA.L R1H,dest */ |
| 1812 | |
| 1813 | prefix (0, 1, 0); |
| 1814 | dc = decode_dest23 (ddd, dd, 4); |
| 1815 | a = sign_ext (get_reg (r1h), 8); |
| 1816 | shift_op (dc, 1, a, 1); |
| 1817 | |
| 1818 | /** 1100 ddd0 dd10 0001 SHANC.L #IMM,dest */ |
| 1819 | |
| 1820 | M32C_ONLY(); |
| 1821 | prefix (0, 1, 0); |
| 1822 | dc = decode_dest23 (ddd, dd, 4); |
| 1823 | imm = sign_ext (IMM(1), 8); |
| 1824 | shift_op (dc, 1, imm, 0); |
| 1825 | |
| 1826 | /** 1110 ddd w dd00 immm SHL.size #IMM, dest */ |
| 1827 | |
| 1828 | prefix (0, 1, 0); |
| 1829 | dc = decode_dest23 (ddd, dd, w+1); |
| 1830 | shift_op (dc, 0, IMM4(), 1); |
| 1831 | |
| 1832 | /** 1001 ddd0 dd10 0001 SHL.L #IMM, dest */ |
| 1833 | |
| 1834 | prefix (0, 1, 0); |
| 1835 | dc = decode_dest23 (ddd, dd, 4); |
| 1836 | imm = sign_ext (IMM(1), 8); |
| 1837 | shift_op (dc, 0, imm, 1); |
| 1838 | |
| 1839 | /** 1010 ddd w dd11 1110 SHL.size R1H,dest */ |
| 1840 | |
| 1841 | prefix (0, 1, 0); |
| 1842 | dc = decode_dest23 (ddd, dd, w+1); |
| 1843 | a = sign_ext (get_reg (r1h), 8); |
| 1844 | shift_op (dc, 0, a, 1); |
| 1845 | |
| 1846 | /** 1100 ddd0 dd00 0001 SHL.L R1H,dest */ |
| 1847 | |
| 1848 | prefix (0, 1, 0); |
| 1849 | dc = decode_dest23 (ddd, dd, 4); |
| 1850 | a = sign_ext (get_reg (r1h), 8); |
| 1851 | shift_op (dc, 0, a, 1); |
| 1852 | |
| 1853 | /** 1000 ddd0 dd10 0001 SHLNC.L #IMM,dest */ |
| 1854 | |
| 1855 | M32C_ONLY(); |
| 1856 | prefix (0, 1, 0); |
| 1857 | dc = decode_dest23 (ddd, dd, 4); |
| 1858 | imm = sign_ext (IMM(1), 8); |
| 1859 | shift_op (dc, 0, imm, 0); |
| 1860 | |
| 1861 | /** 1011 0010 100w 0011 SIN.size */ |
| 1862 | |
| 1863 | v = get_reg (a0); |
| 1864 | a = get_reg (a1); |
| 1865 | b = get_reg (r3); |
| 1866 | if (b) for (;b;) |
| 1867 | { |
| 1868 | if (w) |
| 1869 | mem_put_hi(a, mem_get_hi (v)); |
| 1870 | else |
| 1871 | mem_put_qi(a, mem_get_qi (v)); |
| 1872 | a += w ? 2 : 1; |
| 1873 | b --; |
| 1874 | } |
| 1875 | put_reg (a0, v); |
| 1876 | put_reg (a1, a); |
| 1877 | put_reg (r3, b); |
| 1878 | |
| 1879 | /** 1011 0110 100w 0011 SMOVB.size */ |
| 1880 | |
| 1881 | v = get_reg (a0); |
| 1882 | a = get_reg (a1); |
| 1883 | b = get_reg (r3); |
| 1884 | if (b) for (;b;) |
| 1885 | { |
| 1886 | if (w) |
| 1887 | mem_put_hi(a, mem_get_hi (v)); |
| 1888 | else |
| 1889 | mem_put_qi(a, mem_get_qi (v)); |
| 1890 | v -= w ? 2 : 1; |
| 1891 | a -= w ? 2 : 1; |
| 1892 | b --; |
| 1893 | } |
| 1894 | put_reg (a0, v); |
| 1895 | put_reg (a1, a); |
| 1896 | put_reg (r3, b); |
| 1897 | |
| 1898 | /** 1011 0000 100w 0011 SMOVF.size */ |
| 1899 | |
| 1900 | v = get_reg (a0); |
| 1901 | a = get_reg (a1); |
| 1902 | b = get_reg (r3); |
| 1903 | if (b) for (;b;) |
| 1904 | { |
| 1905 | if (w) |
| 1906 | mem_put_hi(a, mem_get_hi (v)); |
| 1907 | else |
| 1908 | mem_put_qi(a, mem_get_qi (v)); |
| 1909 | v += w ? 2 : 1; |
| 1910 | a += w ? 2 : 1; |
| 1911 | b --; |
| 1912 | } |
| 1913 | put_reg (a0, v); |
| 1914 | put_reg (a1, a); |
| 1915 | put_reg (r3, b); |
| 1916 | |
| 1917 | /** 1011 1000 100w 0011 SMOVU.size */ |
| 1918 | |
| 1919 | v = get_reg (a0); |
| 1920 | a = get_reg (a1); |
| 1921 | do |
| 1922 | { |
| 1923 | if (w) |
| 1924 | mem_put_hi(a, (t0 = mem_get_hi (v))); |
| 1925 | else |
| 1926 | mem_put_qi(a, (t0 = mem_get_qi (v))); |
| 1927 | v += w ? 2 : 1; |
| 1928 | a += w ? 2 : 1; |
| 1929 | if (t0 == 0 |
| 1930 | || (w && ((t0 & 0xff) == 0 || (t0 & 0xff00) == 0))) |
| 1931 | break; |
| 1932 | } while (1); |
| 1933 | put_reg (a0, v); |
| 1934 | put_reg (a1, a); |
| 1935 | |
| 1936 | /** 1011 0100 100w 0011 SOUT.size */ |
| 1937 | |
| 1938 | v = get_reg (a0); |
| 1939 | a = get_reg (a1); |
| 1940 | b = get_reg (r3); |
| 1941 | for (;b;) |
| 1942 | { |
| 1943 | if (w) |
| 1944 | mem_put_hi(a, mem_get_hi (v)); |
| 1945 | else |
| 1946 | mem_put_qi(a, mem_get_qi (v)); |
| 1947 | v += w ? 2 : 1; |
| 1948 | b --; |
| 1949 | } |
| 1950 | put_reg (a0, v); |
| 1951 | put_reg (a1, a); |
| 1952 | put_reg (r3, b); |
| 1953 | |
| 1954 | /** 1011 1000 000w 0011 SSTR.size */ |
| 1955 | |
| 1956 | a = get_reg (a1); |
| 1957 | b = get_reg (r3); |
| 1958 | v = get_reg (w ? r0 : r0l); |
| 1959 | for (;b;) |
| 1960 | { |
| 1961 | if (w) |
| 1962 | mem_put_hi(a, v); |
| 1963 | else |
| 1964 | mem_put_qi(a, v); |
| 1965 | a += w ? 2 : 1; |
| 1966 | b --; |
| 1967 | } |
| 1968 | put_reg (a1, a); |
| 1969 | put_reg (r3, b); |
| 1970 | |
| 1971 | /** 0000 0001 1101 ddd1 dd01 0src STC src,dest */ |
| 1972 | |
| 1973 | prefix (0, 0, 0); |
| 1974 | dc = decode_dest23 (ddd, dd, 4); |
| 1975 | sc = decode_cr_b (src, CR_B_DMA0); |
| 1976 | a = get_src (sc); |
| 1977 | put_dest (dc, a); |
| 1978 | |
| 1979 | /** 0000 0001 1101 ddd1 dd01 1src STC src,dest */ |
| 1980 | |
| 1981 | prefix (0, 0, 0); |
| 1982 | dc = decode_dest23 (ddd, dd, 2); |
| 1983 | sc = decode_cr_b (src, CR_B_DCT0); |
| 1984 | a = get_src (sc); |
| 1985 | put_dest (dc, a); |
| 1986 | |
| 1987 | /** 1101 ddd1 dd01 0src STC src,dest */ |
| 1988 | |
| 1989 | prefix (0, 0, 0); |
| 1990 | dc = decode_dest23 (ddd, dd, 4); |
| 1991 | sc = decode_cr_b (src, CR_B_INTB); |
| 1992 | a = get_src (sc); |
| 1993 | put_dest (dc, a); |
| 1994 | |
| 1995 | /** 1011 0110 1101 0011 STCX abs16,abs24 */ |
| 1996 | |
| 1997 | NOTYET(); |
| 1998 | |
| 1999 | /** 1001 ddd w dd01 1111 STNZ.size #IMM,dest */ |
| 2000 | |
| 2001 | prefix (0, 1, 0); |
| 2002 | dc = decode_dest23 (ddd, dd, w+1); |
| 2003 | imm = IMM(w+1); |
| 2004 | if (! FLAG_Z) |
| 2005 | put_dest (dc, imm); |
| 2006 | |
| 2007 | /** 1001 ddd w dd00 1111 STZ.size #IMM,dest */ |
| 2008 | |
| 2009 | prefix (0, 1, 0); |
| 2010 | dc = decode_dest23 (ddd, dd, w+1); |
| 2011 | imm = IMM(w+1); |
| 2012 | if (FLAG_Z) |
| 2013 | put_dest (dc, imm); |
| 2014 | |
| 2015 | /** 1001 ddd w dd11 1111 STZX.size #IMM1,#IMM2,dest */ |
| 2016 | |
| 2017 | prefix (0, 1, 0); |
| 2018 | dc = decode_dest23 (ddd, dd, w+1); |
| 2019 | a = IMM(w+1); |
| 2020 | b = IMM(w+1); |
| 2021 | if (FLAG_Z) |
| 2022 | put_dest (dc, a); |
| 2023 | else |
| 2024 | put_dest (dc, b); |
| 2025 | |
| 2026 | /** 1000 ddd w dd11 1110 SUB.size:G #IMM,dest */ |
| 2027 | |
| 2028 | prefix (0, 1, 0); |
| 2029 | dc = decode_dest23(ddd, dd, w+1); |
| 2030 | imm = IMM(w+1); |
| 2031 | MATH_OP (dc, imm, 0, -); |
| 2032 | |
| 2033 | /** 1001 ddd0 dd11 0001 SUB.L:G #IMM,dest */ |
| 2034 | |
| 2035 | prefix (0, 1, 0); |
| 2036 | dc = decode_dest23(ddd, dd, 4); |
| 2037 | imm = IMM(4); |
| 2038 | MATH_OP (dc, imm, 0, -); |
| 2039 | |
| 2040 | /** 00dd 111w SUB.size:S #IMM,dest */ |
| 2041 | |
| 2042 | prefix (0, 1, 0); |
| 2043 | dc = decode_dest2(dd, w+1); |
| 2044 | imm = IMM (w+1); |
| 2045 | MATH_OP (dc, imm, 0, -); |
| 2046 | |
| 2047 | /** 1sss ddd w dd ss 1010 SUB.size:G src,dest */ |
| 2048 | |
| 2049 | prefix (1, 1, 0); |
| 2050 | sc = decode_src23(sss, ss, w+1); |
| 2051 | dc = decode_dest23(ddd, dd, w+1); |
| 2052 | b = get_src (sc); |
| 2053 | MATH_OP (dc, b, 0, -); |
| 2054 | |
| 2055 | /** 1sss ddd1 dd ss 0000 SUB.L:G src,dest */ |
| 2056 | |
| 2057 | prefix (1, 1, 0); |
| 2058 | sc = decode_src23(sss, ss, 4); |
| 2059 | dc = decode_dest23(ddd, dd, 4); |
| 2060 | b = get_src (sc); |
| 2061 | MATH_OP (dc, b, 0, -); |
| 2062 | |
| 2063 | /** 1001 ddd0 dd01 0001 SUBX #IMM,dest */ |
| 2064 | |
| 2065 | prefix (0, 1, 0); |
| 2066 | dc = decode_dest23(ddd, dd, 4); |
| 2067 | imm = sign_ext (IMM(1), 8); |
| 2068 | MATH_OP (dc, imm, 0, -); |
| 2069 | |
| 2070 | /** 1sss ddd0 dd ss 0000 SUBX src,dest */ |
| 2071 | |
| 2072 | prefix (1, 1, 0); |
| 2073 | sc = decode_src23(sss, ss, 1); |
| 2074 | dc = decode_dest23(ddd, dd, 4); |
| 2075 | b = sign_ext (get_src (sc), 8); |
| 2076 | MATH_OP (dc, b, 0, -); |
| 2077 | |
| 2078 | /** 1001 ddd w dd11 1110 TST.size:G #IMM,dest */ |
| 2079 | |
| 2080 | prefix (0, 0, 0); |
| 2081 | dc = decode_dest23 (ddd, dd, w+1); |
| 2082 | imm = IMM(w+1); |
| 2083 | a = get_src (dc); |
| 2084 | v = a & imm; |
| 2085 | set_sz (v, w+1); |
| 2086 | |
| 2087 | /** 00dd 110w TST.size:S #IMM,dest */ |
| 2088 | |
| 2089 | prefix (0, 0, 0); |
| 2090 | dc = decode_dest2 (dd, w+1); |
| 2091 | imm = IMM(w+1); |
| 2092 | a = get_src (dc); |
| 2093 | v = a & imm; |
| 2094 | set_sz (v, w+1); |
| 2095 | |
| 2096 | /** 0000 0001 1sss ddd w dd ss 1001 TST.size:G src,dest */ |
| 2097 | |
| 2098 | prefix (0, 0, 0); |
| 2099 | sc = decode_src23 (sss, ss, w+1); |
| 2100 | dc = decode_dest23 (ddd, dd, w+1); |
| 2101 | b = get_src (sc); |
| 2102 | a = get_src (dc); |
| 2103 | v = a & b; |
| 2104 | set_sz (v, w+1); |
| 2105 | |
| 2106 | /** 1111 1111 UND */ |
| 2107 | |
| 2108 | trigger_fixed_interrupt (0xffffdc); |
| 2109 | |
| 2110 | /** 1011 0010 0000 0011 WAIT */ |
| 2111 | |
| 2112 | ; |
| 2113 | |
| 2114 | /** 1101 ddd w dd00 1src XCHG.size src,dest */ |
| 2115 | |
| 2116 | dc = decode_dest23 (ddd, dd, w+1); |
| 2117 | sc = decode_src3 (src, w+1); |
| 2118 | a = get_src (dc); |
| 2119 | b = get_src (sc); |
| 2120 | put_dest (dc, b); |
| 2121 | put_dest (sc, a); |
| 2122 | |
| 2123 | /** 1001 ddd w dd00 1110 XOR.size #IMM,dest */ |
| 2124 | |
| 2125 | prefix (0, 1, 0); |
| 2126 | dc = decode_dest23(ddd, dd, w+1); |
| 2127 | imm = IMM(w+1); |
| 2128 | LOGIC_OP (dc, imm, ^); |
| 2129 | |
| 2130 | /** 1sss ddd w dd ss 1001 XOR.size src,dest */ |
| 2131 | |
| 2132 | prefix (1, 1, 0); |
| 2133 | sc = decode_src23(sss, ss, w+1); |
| 2134 | dc = decode_dest23(ddd, dd, w+1); |
| 2135 | b = get_src (sc); |
| 2136 | LOGIC_OP (dc, b, ^); |
| 2137 | |
| 2138 | /** */ |
| 2139 | |
| 2140 | return step_result; |
| 2141 | } |