sim/m32c/m32c.opc

   1 /* m32c.opc --- semantics for m32c opcodes.                     -*- mode: c -*-
   2
   3 Copyright (C) 2005, 2007 Free Software Foundation, Inc.
   4 Contributed by Red Hat, Inc.
   5
   6 This file is part of the GNU simulators.
   7
   8 The GNU simulators are free software; you can redistribute them and/or
   9 modify them under the terms of the GNU General Public License as
  10 published by the Free Software Foundation; either version 2 of the
  11 License, or (at your option) any later version.
  12
  13 The GNU simulators are distributed in the hope that they will be
  14 useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16 General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with the GNU simulators; if not, write to the Free Software
  20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  21 02110-1301, USA  */
  22
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26
  27 #include "cpu.h"
  28 #include "mem.h"
  29 #include "misc.h"
  30 #include "int.h"
  31
  32 #define AU  __attribute__((unused))
  33
  34 #define tprintf if (trace) printf
  35
  36 static unsigned char
  37 getbyte ()
  38 {
  39   int tsave = trace;
  40   unsigned char b;
  41
  42   if (trace == 1)
  43     trace = 0;
  44   b = mem_get_pc ();
  45   regs.r_pc ++;
  46   trace = tsave;
  47   return b;
  48 }
  49
  50 #define M32C_ONLY() /* FIXME: add something here */
  51
  52 #define GETBYTE() (op[opi++] = getbyte())
  53
  54 #define UNSUPPORTED() unsupported("unsupported", orig_pc)
  55 #define NOTYET() unsupported("unimplemented", orig_pc)
  56
  57 static void
  58 unsupported (char *tag, int orig_pc)
  59 {
  60   int i;
  61   printf("%s opcode at %08x\n", tag, orig_pc);
  62   regs.r_pc = orig_pc;
  63   for (i=0; i<2; i++)
  64     {
  65       int b = mem_get_pc();
  66       printf(" %s", bits(b>>4, 4));
  67       printf(" %s", bits(b, 4));
  68       regs.r_pc ++;
  69     }
  70   printf("\n");
  71   regs.r_pc = orig_pc;
  72   for (i=0; i<6; i++)
  73     {
  74       printf(" %02x", mem_get_pc ());
  75       regs.r_pc ++;
  76     }
  77   printf("\n");
  78   exit(1);
  79 }
  80
  81 static int
  82 IMM(int bytes)
  83 {
  84   int rv = 0;
  85   switch (bytes)
  86     {
  87     case 1:
  88       rv = mem_get_qi (get_reg(pc));
  89       break;
  90     case 2:
  91       rv = mem_get_hi (get_reg(pc));
  92       break;
  93     case 3:
  94       rv = mem_get_psi (get_reg(pc));
  95       break;
  96     case 4:
  97       rv = mem_get_si (get_reg(pc));
  98       break;
  99     }
 100   regs.r_pc += bytes;
 101   return rv;
 102 }
 103
 104 #define IMM4() (immm >= 8 ? 7 - immm : immm + 1)
 105
 106 #define NO_PREFIX() PREFIX(0,0,0)
 107
 108 /* Indicate which sorts of prefixes are allowed for the current
 109    opcode.  */
 110 void
 111 prefix (src_allowed, dest_allowed, index_bytewidth)
 112 {
 113   /* At the moment, we don't do anything with this information.  We
 114      just wanted to get the information entered in some
 115      machine-readable form while we were going through all the
 116      opcodes.  */
 117 }
 118
 119 #define MATH_OP(dc,s,c,op) \
 120 { \
 121   int ma, mb; \
 122   ma = get_src(dc); \
 123   mb = s & b2mask[dc.bytes]; \
 124   ll = (long long)ma op (long long)mb op c; \
 125   tprintf("0x%x " #op " 0x%x " #op " 0x%x = 0x%llx\n", ma, mb, c, ll); \
 126   ma = sign_ext (ma, dc.bytes * 8); \
 127   mb = sign_ext (s, dc.bytes * 8); \
 128   v = ma op mb op c; \
 129   tprintf("%d " #op " %d " #op " %d = %d\n", ma, mb, c, v); \
 130   set_oszc (v, dc.bytes, ll > ((1 op 1) ? b2mask[dc.bytes] : 0)); \
 131   put_dest (dc, v); \
 132 }
 133
 134 #define LOGIC_OP(dc,s,op) \
 135 { \
 136   int ma, mb; \
 137   ma = get_src(dc); \
 138   mb = s & b2mask[dc.bytes]; \
 139   v = ma op mb; \
 140   tprintf("0x%x " #op " 0x%x = 0x%x\n", ma, mb, v); \
 141   set_sz (v, dc.bytes); \
 142   put_dest (dc, v); \
 143 }
 144
 145 #define BIT_OP(dc,bit,expr)                                             \
 146   b = get_bit2 (dc, bitindex == -1 ? bit : bitindex);                   \
 147   v = expr;                                                             \
 148   tprintf ("b=%d, bit=%d, carry=%d, %s = %d\n",                         \
 149            b,  bitindex == -1 ? bit : bitindex, carry, #expr, v);       \
 150   put_bit2 (dc,  bitindex == -1 ? bit : bitindex, v);
 151
 152 #define BIT_OPC(dc,bit,expr)                                            \
 153   b = get_bit2 (dc,  bitindex == -1 ? bit : bitindex);                  \
 154   v = expr;                                                             \
 155   tprintf ("b=%d, bit=%d, carry=%d, %s = %d\n",                         \
 156            b,  bitindex == -1 ? bit : bitindex, carry, #expr, v);       \
 157   set_c (v);
 158
 159 #define carry (FLAG_C ? 1 : 0)
 160
 161 static void
 162 cmp (int d, int s, int bytes)
 163 {
 164   int a, b, f=0;
 165   a = d - s;
 166   b = sign_ext (d, bytes*8) - sign_ext (s, bytes*8);
 167   tprintf ("cmp: %x - %x = %08x, %x - %x = %d\n",
 168            d, s, a,
 169            sign_ext(d,bytes*8), sign_ext(s,bytes*8), b);
 170
 171   if (b == 0)
 172     f |= FLAGBIT_Z;
 173   if (b & b2signbit[bytes])
 174     f |= FLAGBIT_S;
 175   if ((d & b2mask[bytes]) >= (s & b2mask[bytes]))
 176     f |= FLAGBIT_C;
 177   if (b < b2minsigned[bytes] || b > b2maxsigned[bytes])
 178     f |= FLAGBIT_O;
 179
 180   set_flags (FLAGBIT_Z | FLAGBIT_S | FLAGBIT_O | FLAGBIT_C, f);
 181 }
 182
 183 static void
 184 dadd_op (int ddd, int dd, int sss, int ss, int imm, int add, int cy, int w)
 185 {
 186   srcdest sc, dc;
 187   int a, b=0, res;
 188
 189   prefix (0, 0, 0);
 190
 191   if (!imm)
 192     {
 193       sc = decode_src23 (sss, ss, w+1);
 194       b = get_src (sc);
 195     }
 196   dc = decode_dest23 (ddd, dd, w+1);
 197   a = get_src (dc);
 198   if (imm)
 199     b = IMM(w+1);
 200
 201   a = bcd2int(a, w);
 202   b = bcd2int(b, w);
 203
 204   tprintf("decimal: %d %s %d", a, add?"+":"-", b);
 205   if (cy)
 206     tprintf(" c=%d", carry);
 207
 208   if (add)
 209     {
 210       res = a + b;
 211       if (cy)
 212         res += carry;
 213       cy = res > (w ? 9999 : 99);
 214     }
 215   else
 216     {
 217       res = a - b;
 218       if (cy)
 219         res -= (1-carry);
 220       cy = res >= 0;
 221       if (res < 0)
 222         res += w ? 10000 : 100;
 223     }
 224
 225   res = int2bcd (res, w);
 226   tprintf(" = %x\n", res);
 227
 228   set_szc (res, w+1, cy);
 229
 230   put_dest (dc, res);
 231 }
 232 #define DADDV(A,C) dadd_op(ddd, dd, sss, ss, 0, A, C, w)
 233 #define DADDI(A,C) dadd_op(ddd, dd, 0, 0, 1, A, C, w)
 234
 235 static void
 236 div_op (int sss, int ss, int u, int x, int bytes)
 237 {
 238   srcdest sc;
 239   int s, v, a, b;
 240
 241   if (sss == -1)
 242     s = IMM(bytes);
 243   else
 244     {
 245       sc = decode_dest23 (sss, ss, bytes);
 246       s = get_src (sc);
 247     }
 248
 249   v = get_reg (bytes > 1 ? r2r0 : r0);
 250
 251   if (!u)
 252     {
 253       /* FIXME? do we sign extend a0/a1 to .L?  Docs say zero extend.  */
 254       s = sign_ext (s, bytes*8);
 255       v = sign_ext (v, bytes*8);
 256     }
 257
 258   if (s == 0)
 259     {
 260       set_flags (FLAGBIT_O, FLAGBIT_O);
 261       return;
 262     }
 263
 264   if (u)
 265     {
 266       a = (unsigned int)v / (unsigned int)s;
 267       b = (unsigned int)v % (unsigned int)s;
 268     }
 269   else
 270     {
 271       a = v / s;
 272       b = v % s;
 273     }
 274   if (x)
 275     {
 276       if ((s > 0 && b < 0)
 277           || (s < 0 && b > 0))
 278         {
 279           a --;
 280           b += s;
 281         }
 282     }
 283   tprintf ("%d / %d = %d rem %d\n", v, s, a, b);
 284   if ((!u && (a > b2maxsigned[bytes]
 285               || a < b2minsigned[bytes]))
 286       || (u && (a > b2mask[bytes])))
 287     set_flags (FLAGBIT_O, FLAGBIT_O);
 288   else
 289     set_flags (FLAGBIT_O, 0);
 290
 291   switch (bytes)
 292     {
 293     case 1:
 294       put_reg (r0l, a);
 295       put_reg (r0h, b);
 296       break;
 297     case 2:
 298       put_reg (r0, a);
 299       put_reg (r2, b);
 300       break;
 301     case 4:
 302       put_reg (r2r0, a);
 303       break;
 304     }
 305 }
 306
 307 static void
 308 index_op (int sss, int ss, int do_s, int do_d, int scale, int w)
 309 {
 310   srcdest sc = decode_src23 (sss, ss, w+1);
 311   int v = get_src (sc) * scale;
 312   tprintf("%d = %d * %d, %d %d\n", v, get_src(sc), scale, do_s, do_d);
 313   decode_index (do_s * v, do_d * v);
 314 }
 315 #define INDEXOP(scale,do_s,do_d)                                \
 316   index_op (sss, ss, do_s, do_d, scale, w); goto next_opcode
 317
 318 static void
 319 rot_op (srcdest sd, int rotc, int count)
 320 {
 321   int mask = (sd.bytes == 2) ? 0xffff : 0xff;
 322   int msb = (sd.bytes == 2) ? 0x8000 : 0x80;
 323   int v = get_src (sd);
 324   int c = carry, ct;
 325
 326   tprintf("%s %x by %d\n", rotc ? "rotc" : "rot", v, count);
 327   tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
 328   while (count > 0)
 329     {
 330       ct = (v & msb) ? 1 : 0;
 331       v <<= 1;
 332       v |= rotc ? c : ct;
 333       v &= mask;
 334       c = ct;
 335       tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
 336       count --;
 337     }
 338   while (count < 0)
 339     {
 340       ct = v & 1;
 341       v >>= 1;
 342       v |= (rotc ? c : ct) * msb;
 343       c = ct;
 344       tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
 345       count ++;
 346     }
 347   put_dest (sd, v);
 348   set_szc (v, sd.bytes, c);
 349 }
 350
 351 static void
 352 shift_op (srcdest sd, int arith, int count, int setc)
 353 {
 354   int mask = (sd.bytes == 2) ? 0xffff : 0xff;
 355   int msb = (sd.bytes == 2) ? 0x8000 : 0x80;
 356   int v = get_src (sd);
 357   int c = 0;
 358   int o = 0;
 359
 360   if (sd.bytes == 4)
 361     {
 362       mask = 0xffffffffU;
 363       msb = 0x80000000U;
 364     }
 365
 366   tprintf("%s %x by %d\n", arith ? "sha" : "shl", v, count);
 367   tprintf (": %s %d %d\n", bits(v, 8*sd.bytes), c, o);
 368   while (count > 0)
 369     {
 370       c = (v & msb) ? 1 : 0;
 371       v <<= 1;
 372       v &= mask;
 373       if (c != ((v & msb) ? 1 : 0))
 374         o = 1;
 375       tprintf (": %s %d %d\n", bits(v, 8*sd.bytes), c, o);
 376       count --;
 377     }
 378   while (count < 0)
 379     {
 380       c = v & 1;
 381       if (arith)
 382         v = (v & msb) | (v >> 1);
 383       else
 384         v = (v >> 1) & (msb - 1);
 385       tprintf (": %s %d %d\n", bits(v, 8*sd.bytes), c, o);
 386       count ++;
 387     }
 388   put_dest (sd, v);
 389   set_sz (v, sd.bytes);
 390   if (setc)
 391     set_c (c);
 392   set_flags (FLAGBIT_O, o ? FLAGBIT_O : 0);
 393 }
 394
 395 int
 396 decode_m32c()
 397 {
 398   unsigned char op[40];
 399   int opi;
 400   int orig_pc;
 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   orig_pc = get_reg (pc);
 417
 418   tprintf("trace: decode pc = %06x\n", orig_pc);
 419
 420   /** VARY sss 000 001 010 011 100 */
 421   /** VARY ddd 000 001 010 011 100 */
 422
 423   /** 0000 1001                         indirect dest */
 424
 425   decode_indirect (0, 1);
 426   goto next_opcode;
 427
 428   /** 0100 0001                         indirect src */
 429
 430   decode_indirect (1, 0);
 431   goto next_opcode;
 432
 433   /** 0100 1001                         indirect src and dest */
 434
 435   decode_indirect (1, 1);
 436   goto next_opcode;
 437
 438   /** 1010 ddd w dd01 1111              ABS.size dest */
 439
 440   prefix (0, 1, 0);
 441   dc = decode_dest23 (ddd, dd, w+1);
 442   v = sign_ext (get_src (dc), w?16:8);
 443   a = v<0 ? -v : v;
 444   tprintf("abs(%d) = %d\n", v, a);
 445   set_osz(a, w+1);
 446   put_dest (dc, a);
 447
 448   /** 0000 0001 1000 ddd w dd10 1110    ADC.size #IMM,dest */
 449
 450   prefix (0, 0, 0);
 451   dc = decode_dest23 (ddd, dd, w+1);
 452   imm = IMM (w+1);
 453   MATH_OP (dc, imm, carry, +);
 454
 455   /** 0000 0001 1sss ddd w dd ss 0100   ADC.size src,dest */
 456
 457   prefix (0, 0, 0);
 458   sc = decode_src23 (sss, ss, w+1);
 459   dc = decode_dest23 (ddd, dd, w+1);
 460   b = get_src (sc);
 461   MATH_OP (dc, b, carry, +);
 462
 463   /** 1011 ddd w dd01 1110              ADCF.size dest */
 464
 465   prefix (0, 1, 0);
 466   dc = decode_dest23 (ddd, dd, w+1);
 467   MATH_OP (dc, 0, carry, +);
 468
 469   /** 1000 ddd w dd10 1110              ADD.size:G #IMM,dest */
 470
 471   prefix (0, 1, 0);
 472   dc = decode_dest23(ddd, dd, w+1);
 473   imm = IMM(w+1);
 474   MATH_OP (dc, imm, 0, +);
 475
 476   /** 1000 ddd0 dd11 0001               ADD.L:G #IMM,dest */
 477
 478   prefix (0, 1, 0);
 479   dc = decode_dest23(ddd, dd, 4);
 480   imm = IMM(4);
 481   MATH_OP (dc, imm, 0, +);
 482
 483   /** 111L ddd w dd11 immm              ADD.size:Q #IMM,dest */
 484
 485   prefix (0, 1, 0);
 486   dc = decode_dest23(ddd, dd, L ? 4 : (w+1));
 487   imm = sign_ext (immm, 4);
 488   MATH_OP (dc, imm, 0, +);
 489
 490   /** 00dd 011w                         ADD.size:S #IMM,dest */
 491
 492   prefix (0, 1, 0);
 493   dc = decode_dest2(dd, w+1);
 494   imm = IMM (w+1);
 495   MATH_OP (dc, imm, 0, +);
 496
 497   /** 10i0 110d                         ADD.L:S #IMM,A0/A1 */
 498
 499   prefix (0, 0, 0);
 500   dc = reg_sd (d ? a1 : a0);
 501   imm = i ? 2 : 1;
 502   MATH_OP (dc, imm, 0, +);
 503
 504   /** 1sss ddd w dd ss 1000             ADD.size:G src,dest */
 505
 506   prefix (1, 1, 0);
 507   sc = decode_src23(sss, ss, w+1);
 508   dc = decode_dest23(ddd, dd, w+1);
 509   b = get_src (sc);
 510   MATH_OP (dc, b, 0, +);
 511
 512   /** 1sss ddd1 dd ss 0010              ADD.L:G src,dest */
 513
 514   prefix (1, 1, 0);
 515   sc = decode_src23(sss, ss, 4);
 516   dc = decode_dest23(ddd, dd, 4);
 517   b = get_src (sc);
 518   MATH_OP (dc, b, 0, +);
 519
 520   /** 1011 0110 0001 0011               ADD.L:G #IMM16,SP */
 521
 522   prefix (0, 0, 0);
 523   dc = reg_sd (sp);
 524   b = sign_ext (IMM(2), 16);
 525   MATH_OP (dc, b, 0, +);
 526
 527   /** 01ii 001i                         ADD.L:Q #IMM3,SP */
 528
 529   prefix (0, 0, 0);
 530   dc = reg_sd (sp);
 531   b = ii * 2 + i + 1;
 532   MATH_OP (dc, b, 0, +);
 533
 534   /** 1011 0110 0000 0011               ADD.L:S #IMM8,SP */
 535
 536   prefix (0, 0, 0);
 537   dc = reg_sd (sp);
 538   b = sign_ext (IMM(1), 8);
 539   MATH_OP (dc, b, 0, +);
 540
 541   /** 1000 ddd0 dd01 0001               ADDX #IMM,dest */
 542
 543   prefix (0, 1, 0);
 544   dc = decode_dest23(ddd, dd, 4);
 545   imm = sign_ext (IMM(1), 8);
 546   MATH_OP (dc, imm, 0, +);
 547
 548   /** 1sss ddd0 dd ss 0010              ADDX src,dest */
 549
 550   prefix (1, 1, 0);
 551   sc = decode_src23(sss, ss, 1);
 552   dc = decode_dest23(ddd, dd, 4);
 553   b = sign_ext (get_src (sc), 8);
 554   MATH_OP (dc, b, 0, +);
 555
 556   /** 1111 ddd w dd01 immm              ADJNZ.size #IMM,dest,label */
 557
 558   prefix (0, 0, 0);
 559   dc = decode_dest23 (ddd, dd, w+1);
 560   v = get_src (dc);
 561   imm = sign_ext(immm, 4);
 562   tprintf("%d + %d = %d\n", v, imm, v+imm);
 563   v += imm;
 564   put_dest (dc, v);
 565   a = sign_ext (IMM(1), 8);
 566   if ((v & (w ? 0xffff : 0xff)) != 0)
 567     {
 568       tprintf("jmp: %x + 2 + %d = ", get_reg (pc), a);
 569       put_reg (pc, orig_pc + 2 + a);
 570       tprintf("%x\n", get_reg (pc));
 571     }
 572
 573   /** 1000 ddd w dd11 1111              AND.size:G #IMM,dest */
 574
 575   prefix (0, 1, 0);
 576   dc = decode_dest23(ddd, dd, w+1);
 577   imm = IMM(w+1);
 578   LOGIC_OP (dc, imm, &);
 579
 580   /** 01dd 110w                         AND.size:S #IMM,dest */
 581
 582   prefix (0, 1, 0);
 583   dc = decode_dest2(dd, w+1);
 584   imm = IMM (w+1);
 585   LOGIC_OP (dc, imm, &);
 586
 587   /** 1sss ddd w dd ss 1101             AND.size:G src,dest */
 588
 589   prefix (1, 1, 0);
 590   sc = decode_src23(sss, ss, w+1);
 591   dc = decode_dest23(ddd, dd, w+1);
 592   b = get_src (sc);
 593   LOGIC_OP (dc, b, &);
 594
 595   /** 0000 0001 1101 sss0 ss00 1bit     BAND src */
 596
 597   sc = decode_src23 (sss, ss, 1);
 598   BIT_OPC (sc, bit, b & carry);
 599
 600   /** 1101 ddd0 dd11 0bit               BCLR dest */
 601
 602   dc = decode_dest23 (ddd, dd, 1);
 603   BIT_OP (dc, bit, 0);
 604
 605   /** 1100 ddd w dd10 1110              BITINDEX.size src */
 606
 607   prefix (0, 0, 0);
 608   dc = decode_dest23 (ddd, dd, w+1);
 609   bitindex = get_src (dc);
 610   tprintf ("bitindex set to %d\n", bitindex);
 611   goto next_opcode;
 612
 613   /** 1101 ddd0 dd01 0bit               BMcnd dest */
 614
 615   prefix (0, 0, 0);
 616   dc = decode_dest23 (ddd, dd, 1);
 617   if (condition_true (IMM (1)))
 618     put_bit2 (dc, bit, 1);
 619   else
 620     put_bit2 (dc, bit, 0);
 621
 622   /** 1101 1001 0c10 1cnd               BMcnd C */
 623
 624   prefix (0, 0, 0);
 625   if (condition_true (c * 8 + cnd))
 626     set_c (1);
 627   else
 628     set_c (0);
 629
 630   /** 0000 0001 1101 sss0 ss01 1bit     BNAND src */
 631
 632   prefix (0, 0, 0);
 633   sc = decode_src23 (sss, ss, 1);
 634   BIT_OPC (sc, bit, !b & carry);
 635
 636   /** 0000 0001 1101 sss0 ss11 0bit     BNOR src */
 637
 638   prefix (0, 0, 0);
 639   sc = decode_src23 (sss, ss, 1);
 640   BIT_OPC (sc, bit, !b | carry);
 641
 642   /** 1101 ddd0 dd01 1bit               BNOT dest */
 643
 644   prefix (0, 0, 0);
 645   dc = decode_dest23 (ddd, dd, 1);
 646   BIT_OP (dc, bit, !b);
 647
 648   /** 0000 0001 1101 sss0 ss00 0bit     BNTST src */
 649
 650   prefix (0, 0, 0);
 651   sc = decode_dest23 (sss, ss, 1);
 652   b = get_bit2 (sc, bit);
 653   set_zc (!b, !b);
 654
 655   /** 0000 0001 1101 sss0 ss11 1bit     BNXOR src */
 656
 657   prefix (0, 0, 0);
 658   sc = decode_src23 (sss, ss, 1);
 659   BIT_OPC (sc, bit, !b ^ carry);
 660
 661   /** 0000 0001 1101 sss0 ss10 0bit     BOR src */
 662
 663   prefix (0, 0, 0);
 664   sc = decode_src23 (sss, ss, 1);
 665   BIT_OPC (sc, bit, b | carry);
 666
 667   /** 0000 0000                         BRK */
 668
 669   /* We report the break to our caller with the PC still pointing at the
 670      breakpoint instruction.  */
 671   put_reg (pc, orig_pc);
 672   if (verbose)
 673     printf("[break]\n");
 674   return M32C_MAKE_HIT_BREAK ();
 675
 676   /** 0000 1000                         BRK */
 677
 678   if (verbose)
 679     printf("[break2]\n");
 680   return M32C_MAKE_HIT_BREAK ();
 681
 682   /** 1101 ddd0 dd11 1bit               BSET dest */
 683
 684   dc = decode_dest23 (ddd, dd, 1);
 685   BIT_OP (dc, bit, 1);
 686
 687   /** 1101 sss0 ss00 0bit               BTST:G src */
 688
 689   prefix (0, 0, 0);
 690   sc = decode_src23 (sss, ss, 1);
 691   b = get_bit2 (sc, bit);
 692   set_zc (!b, b);
 693
 694   /** 00bb 101b                         BTST:S src */
 695
 696   sc = decode_src23 (3, 3, 1); /* bit,base:19 */
 697   b = get_bit2 (sc, bb*2 + b);
 698   set_zc (!b, b);
 699
 700   /** 1101 ddd0 dd10 0bit               BTSTC dest */
 701
 702   prefix (0, 0, 0);
 703   sc = decode_dest23 (ddd, dd, 1);
 704   b = get_bit2 (sc, bit);
 705   set_zc (!b, b);
 706   put_bit2 (sc, bit, 0);
 707
 708   /** 1101 ddd0 dd10 1bit               BTSTS dest */
 709
 710   prefix (0, 0, 0);
 711   sc = decode_dest23 (ddd, dd, 1);
 712   b = get_bit2 (sc, bit);
 713   set_zc (!b, b);
 714   put_bit2 (sc, bit, 1);
 715
 716   /** 0000 0001 1101 sss0 ss10 1bit     BXOR src */
 717
 718   prefix (0, 0, 0);
 719   sc = decode_src23 (sss, ss, 1);
 720   BIT_OPC (sc, bit, b ^ carry);
 721
 722   /** 0000 0001 1000 ddd w dd11 1110    CLIP.size #IMM1,#IMM2,dest */
 723
 724   prefix (0, 0, 0);
 725   dc = decode_dest23 (ddd, dd, w+1);
 726   a = sign_ext (IMM(w+1), w*8+8);
 727   b = sign_ext (IMM(w+1), w*8+8);
 728   v = sign_ext (get_src (dc), w*8+8);
 729   tprintf("clip %d <= %d <= %d : ", a, v, b);
 730   if (a > v)
 731     v = a;
 732   if (v > b)
 733     v = b;
 734   tprintf("%d\n", v);
 735   put_dest (dc, v);
 736
 737   /** 1001 ddd w dd10 1110              CMP.size:G #IMM,dest */
 738
 739   prefix (0, 1, 0);
 740   dc = decode_dest23 (ddd, dd, w+1);
 741   v = get_src (dc);
 742   imm = IMM(w+1);
 743   cmp (v, imm, w+1);
 744
 745   /** 1010 ddd0 dd11 0001               CMP.L:G #IMM32,dest */
 746
 747   prefix (0, 1, 0);
 748   dc = decode_dest23 (ddd, dd, 4);
 749   v = get_src (dc);
 750   imm = IMM(4);
 751   cmp (v, imm, 4);
 752
 753   /** 1110 ddd w dd01 immm              CMP.size:Q #IMM,dest */
 754
 755   prefix (0, 1, 0);
 756   dc = decode_dest23 (ddd, dd, w+1);
 757   v = get_src (dc);
 758   immm = sign_ext (immm, 4);
 759   cmp (v, immm, w+1);
 760
 761   /** 01dd 011w                         CMP.size:S #IMM,dest */
 762
 763   prefix (0, 1, 0);
 764   dc = decode_dest2 (dd, w+1);
 765   v = get_src (dc);
 766   imm = sign_ext (IMM(w+1),w*8+8);
 767   cmp (v, imm, w+1);
 768
 769   /** 1sss ddd w dd ss 0110             CMP.size:G src,dest */
 770
 771   prefix (1, 1, 0);
 772   sc = decode_src23 (sss, ss, w+1);
 773   dc = decode_dest23 (ddd, dd, w+1);
 774   a = get_src (dc);
 775   b = get_src (sc);
 776   cmp (a, b, w+1);
 777
 778   /** 1sss ddd1 dd ss 0001              CMP.L:G src,dest */
 779
 780   prefix (1, 1, 0);
 781   sc = decode_src23 (sss, ss, 4);
 782   dc = decode_dest23 (ddd, dd, 4);
 783   a = get_src (dc);
 784   b = get_src (sc);
 785   cmp (a, b, 4);
 786
 787   /** 01dd 000w                         CMP.size:S src,R0/R0L */
 788
 789   prefix (0, 1, 0);
 790   dc = decode_dest2 (dd, w+1);
 791   a = get_reg (w ? r0 : r0l);
 792   b = get_src (dc);
 793   cmp (a, b, w+1);
 794
 795   /** 1010 ddd0 dd01 0001               CMPX #IMM,dest */
 796
 797   prefix (0, 1, 0);
 798   dc = decode_dest23 (ddd, dd, 4);
 799   v = get_src (dc);
 800   imm = sign_ext (IMM(1), 8);
 801   cmp (v, imm, 4);
 802
 803   /** 0000 0001 1000 ddd w dd00 1110    DADC.size #IMM,dest */
 804
 805   DADDI(1,1);
 806
 807   /** 0000 0001 1sss ddd w dd ss 1000   DADC.size src,dest */
 808
 809   DADDV(1,1);
 810
 811   /** 0000 0001 1000 ddd w dd01 1110    DADD.size #IMM,dest */
 812
 813   DADDI(1,0);
 814
 815   /** 0000 0001 1sss ddd w dd ss 0000   DADD.size src,dest */
 816
 817   DADDV(1,0);
 818
 819   /** 1011 ddd w dd00 1110              DEC.size dest */
 820
 821   prefix (0, 1, 0);
 822   dc = decode_dest23 (ddd, dd, w+1);
 823   a = get_src (dc);
 824   v = a-1;
 825   tprintf ("%x -- = %x\n", a, v);
 826   set_sz (v, w+1);
 827   put_dest (dc, v);
 828
 829   /** 1011 0000 010w 0011               DIV.size #IMM */
 830
 831   prefix (0, 0, 0);
 832   div_op (-1, 0, 0, 0, w+1);
 833
 834   /** 1000 sss w ss01 1110              DIV.size src */
 835
 836   prefix (0, 1, 0);
 837   div_op (sss, ss, 0, 0, w+1);
 838
 839   /** 0000 0001 1010 sss1 ss01 1111     DIV.L src */
 840
 841   M32C_ONLY();
 842   prefix (0, 0, 0);
 843   div_op (sss, ss, 0, 0, 4);
 844
 845   /** 1011 0000 000w 0011               DIVU.size #IMM */
 846
 847   prefix (0, 0, 0);
 848   div_op (-1, 0, 1, 0, w+1);
 849
 850   /** 1000 sss w ss00 1110              DIVU.size src */
 851
 852   prefix (0, 1, 0);
 853   div_op (sss, ss, 1, 0, w+1);
 854
 855   /** 0000 0001 1010 sss1 ss00 1111     DIVU.L src */
 856
 857   M32C_ONLY();
 858   prefix (0, 0, 0);
 859   div_op (sss, ss, 1, 0, 4);
 860
 861   /** 1011 0010 010w 0011               DIVX.size #IMM */
 862
 863   prefix (0, 0, 0);
 864   div_op (-1, 0, 0, 1, w+1);
 865
 866   /** 1001 sss w ss01 1110              DIVX.size src */
 867
 868   prefix (0, 1, 0);
 869   div_op (sss, ss, 0, 1, w+1);
 870
 871   /** 0000 0001 1010 sss1 ss10 1111     DIVX.L src */
 872
 873   M32C_ONLY();
 874   prefix (0, 0, 0);
 875   div_op (sss, ss, 0, 1, 4);
 876
 877   /** 0000 0001 1001 ddd w dd00 1110    DSBB.size #IMM,dest */
 878
 879   DADDI(0,1);
 880
 881   /** 0000 0001 1sss ddd w dd ss 1010   DSBB.size src,dest */
 882
 883   DADDV(0,1);
 884
 885   /** 0000 0001 1001 ddd w dd01 1110    DSUB.size #IMM,dest */
 886
 887   DADDI(0,0);
 888
 889   /** 0000 0001 1sss ddd w dd ss 0010   DSUB.size src,dest */
 890
 891   DADDV(0,0);
 892
 893   /** 1110 1100                         ENTER #IMM */
 894
 895   imm = IMM(1);
 896   put_reg (sp, get_reg (sp) - 4);
 897   mem_put_si (get_reg (sp), get_reg (fb));
 898   put_reg (fb, get_reg (sp));
 899   put_reg (sp, get_reg (sp) - imm);
 900
 901   /** 1111 1100                         EXITD */
 902
 903   put_reg (sp, get_reg (fb));
 904   put_reg (fb, mem_get_si (get_reg (sp)));
 905   put_reg (sp, get_reg (sp) + 4);
 906   put_reg (pc, mem_get_si (get_reg (sp)));
 907   put_reg (sp, get_reg (sp) + 4);
 908
 909   /** 1100 ddd w dd01 1110              EXTS.size dest */
 910
 911   prefix (0, 0, 0);
 912   dc = decode_dest23 (ddd, dd, w+1);
 913   v = sign_ext (get_src (dc), (w+1)*8);
 914   dc = widen_sd (dc);
 915   put_dest (dc, v);
 916   set_sz (v, (w+1)*2);
 917
 918   /** 0000 0001 1sss ddd0 dd ss 0111    EXTS.B src,dest */
 919
 920   prefix (0, 0, 0);
 921   sc = decode_src23 (sss, ss, 1);
 922   dc = decode_dest23 (ddd, dd, 2);
 923   v = sign_ext (get_src (sc), 8);
 924   put_dest (dc, v);
 925   set_sz (v, 16);
 926
 927   /** 0000 0001 1sss ddd0 dd ss 1011    EXTZ src,dest */
 928
 929   prefix (0, 0, 0);
 930   sc = decode_src23 (sss, ss, 1);
 931   dc = decode_dest23 (ddd, dd, 2);
 932   v = get_src (sc);
 933   put_dest (dc, v);
 934   set_sz (v, 16);
 935
 936   /** 1101 0011 1110 1dst               FCLR dest */
 937
 938   set_flags (1 << dst, 0);
 939
 940   /** 1001 1111                         FREIT */
 941
 942   NOTYET();
 943
 944   /** 1101 0001 1110 1dst               FSET dest */
 945
 946   set_flags (1 << dst, 1 << dst);
 947
 948   /** 1010 ddd w dd00 1110              INC.size dest */
 949
 950   prefix (0, 1, 0);
 951   dc = decode_dest23 (ddd, dd, w+1);
 952   a = get_src (dc);
 953   v = a+1;
 954   tprintf ("%x ++ = %x\n", a, v);
 955   set_sz (v, w+1);
 956   put_dest (dc, v);
 957
 958   /** 1000 sss0 ss0w 0011               INDEXB.size src */
 959   INDEXOP(1, 1, 1);
 960   /** 1010 sss0 ss0w 0011               INDEXBD.size src */
 961   INDEXOP(1, 0, 1);
 962   /** 1100 sss0 ss0w 0011               INDEXBS.size src */
 963   INDEXOP(1, 1, 0);
 964   /** 1001 sss0 ss1w 0011               INDEXL.size src */
 965   INDEXOP(4, 1, 1);
 966   /** 1011 sss0 ss1w 0011               INDEXLD.size src */
 967   INDEXOP(4, 0, 1);
 968   /** 1001 sss0 ss0w 0011               INDEXLS.size src */
 969   INDEXOP(4, 1, 0);
 970   /** 1000 sss0 ss1w 0011               INDEXW.size src */
 971   INDEXOP(2, 1, 1);
 972   /** 1010 sss0 ss1w 0011               INDEXWD.size src */
 973   INDEXOP(2, 0, 1);
 974   /** 1100 sss0 ss1w 0011               INDEXWS.size src */
 975   INDEXOP(2, 1, 0);
 976
 977   /** 1011 1110 vector00                        INT #IMM */
 978
 979   prefix (0, 0, 0);
 980   trigger_based_interrupt (vector);
 981
 982   /** 1011 1111                         INTO */
 983
 984   prefix (0, 0, 0);
 985   if (FLAG_O)
 986     trigger_fixed_interrupt (0xffffe0);
 987
 988   /** 1ccc 101c                         Jcnd label */
 989
 990   prefix (0, 0, 0);
 991   v = sign_ext (IMM(1), 8);
 992   if (condition_true (ccc*2+c))
 993     put_reg (pc, orig_pc + 1 + v);
 994
 995   /** 01dd 101d                         JMP.S label */
 996
 997   prefix (0, 0, 0);
 998   put_reg (pc, orig_pc + (dd*2+d) + 2);
 999
1000   /** 1011 1011                         JMP.B label */
1001
1002   prefix (0, 0, 0);
1003   imm = sign_ext (IMM(1), 8);
1004   if (imm == -1)
1005     {
1006       if (verbose)
1007         printf("[jmp-to-self detected as exit]\n");
1008       return M32C_MAKE_HIT_BREAK ();
1009     }
1010   put_reg (pc, orig_pc + 1 + imm);
1011
1012   /** 1100 1110                         JMP.W label */
1013
1014   prefix (0, 0, 0);
1015   imm = sign_ext (IMM(2), 16);
1016   put_reg (pc, orig_pc + 1 + imm);
1017
1018   /** 1100 1100                         JMP.A label */
1019
1020   prefix (0, 0, 0);
1021   imm = IMM(3);
1022   put_reg (pc, imm);
1023
1024   /** 1100 sss1 ss00 1111               JMPI.W src */
1025
1026   prefix (0, 0, 0);
1027   sc = decode_src23 (sss, ss, 2);
1028   a = get_src (sc);
1029   a = sign_ext (a, 16);
1030   put_reg (pc, orig_pc + a);
1031
1032   /** 1000 sss0 ss00 0001               JMPI.A src */
1033
1034   prefix (0, 0, 0);
1035   sc = decode_src23 (sss, ss, 3);
1036   a = get_src (sc);
1037   put_reg (pc, a);
1038
1039   /** 1101 1100                         JMPS #IMM8 */
1040
1041   prefix (0, 0, 0);
1042   imm = IMM(1);
1043   a = 0xff0000 + mem_get_hi (0xfffe00 - imm * 2);
1044   put_reg (pc, a);
1045
1046   /** 1100 1111                         JSR.W label */
1047
1048   prefix (0, 0, 0);
1049   imm = sign_ext (IMM(2), 16);
1050   put_reg (sp, get_reg (sp) - 4);
1051   mem_put_si (get_reg (sp), get_reg (pc));
1052   put_reg (pc, orig_pc + imm + 1);
1053
1054   /** 1100 1101                         JSR.A label */
1055
1056   prefix (0, 0, 0);
1057   imm = IMM(3);
1058   put_reg (sp, get_reg (sp) - 4);
1059   mem_put_si (get_reg (sp), get_reg (pc));
1060   put_reg (pc, imm);
1061
1062   /** 1100 sss1 ss01 1111               JSRI.W src */
1063
1064   prefix (0, 0, 0);
1065   sc = decode_src23 (sss, ss, 2);
1066   a = get_src (sc);
1067   a = sign_ext (a, 16);
1068   put_reg (sp, get_reg (sp) - 4);
1069   mem_put_si (get_reg (sp), get_reg (pc));
1070   put_reg (pc, orig_pc + a);
1071
1072   /** 1001 sss0 ss00 0001               JSRI.A src */
1073
1074   prefix (0, 0, 0);
1075   sc = decode_src23 (sss, ss, 3);
1076   a = get_src (sc);
1077   put_reg (sp, get_reg (sp) - 4);
1078   mem_put_si (get_reg (sp), get_reg (pc));
1079   put_reg (pc, a);
1080
1081   /** 1101 1101                         JSRS #IMM8 */
1082
1083   prefix (0, 0, 0);
1084   imm = IMM(1);
1085   a = 0xff0000 + mem_get_hi (0xfffe00 - imm * 2);
1086   put_reg (sp, get_reg (sp) - 4);
1087   mem_put_si (get_reg (sp), get_reg (pc));
1088   put_reg (pc, a);
1089
1090   /** 1101 0101 1010 1dst               LDC #IMM16,dest */
1091
1092   imm = IMM(2);
1093   dc = decode_cr_b (dst, CR_B_DCT0);
1094   put_dest (dc, imm);
1095
1096   /** 1101 0101 0010 1dst               LDC #IMM24,dest */
1097
1098   imm = IMM(3);
1099   dc = decode_cr_b (dst, CR_B_INTB);
1100   put_dest (dc, imm);
1101
1102   /** 1101 0101 0110 1dst               LDC #IMM24,dest */
1103
1104   imm = IMM(3);
1105   dc = decode_cr_b (dst, CR_B_DMA0);
1106   put_dest (dc, imm);
1107
1108   /** 0000 0001 1101 sss1 ss00 1dst     LDC src,dest */
1109
1110   prefix (0, 0, 0);
1111   sc = decode_src23 (sss, ss, 2);
1112   dc = decode_cr_b (dst, CR_B_DCT0);
1113   a = get_src (sc);
1114   put_dest (dc, a);
1115
1116   /** 1101 sss1 ss00 0dst               LDC src,dest */
1117
1118   prefix (0, 0, 0);
1119   sc = decode_src23 (sss, ss, 3);
1120   dc = decode_cr_b (dst, CR_B_INTB);
1121   a = get_src (sc);
1122   put_dest (dc, a);
1123
1124   /** 0000 0001 1101 sss1 ss00 0dst     LDC src,dest */
1125
1126   prefix (0, 0, 0);
1127   sc = decode_src23 (sss, ss, 3);
1128   dc = decode_cr_b (dst, CR_B_DMA0);
1129   a = get_src (sc);
1130   put_dest (dc, a);
1131
1132   /** 1011 0110 1100 0011               LDCTX */
1133
1134   NOTYET();
1135
1136   /** 1101 0101 1110 1imm               LDIPL #IMM */
1137
1138   set_flags (0x7000, imm*0x1000);
1139
1140   /** 0000 0001 1000 ddd w dd11 1111    MAX.size #IMM,dest */
1141
1142   prefix (0, 0, 0);
1143   w++;
1144   dc = decode_dest23 (ddd, dd, w);
1145   imm = sign_ext (IMM(w), w*8);
1146   a = sign_ext (get_src (dc), w*8);
1147   tprintf ("max %d %d\n", imm, a);
1148   if (imm > a)
1149     put_dest (dc, imm);
1150
1151   /** 0000 0001 1sss ddd w dd ss 1101   MAX.size src,dest */
1152
1153   prefix (0, 0, 0);
1154   w++;
1155   sc = decode_src23 (sss, ss, w);
1156   dc = decode_dest23 (ddd, dd, w);
1157   b = sign_ext (get_src (sc), w*8);
1158   a = sign_ext (get_src (dc), w*8);
1159   tprintf ("max %d %d\n", b, a);
1160   if (b > a)
1161     put_dest (dc, b);
1162
1163   /** 0000 0001 1000 ddd w dd10 1111    MIN.size #IMM,dest */
1164
1165   prefix (0, 0, 0);
1166   w++;
1167   dc = decode_dest23 (ddd, dd, w);
1168   imm = sign_ext (IMM(w), w*8);
1169   a = sign_ext (get_src (dc), w*8);
1170   tprintf ("min %d %d\n", imm, a);
1171   if (imm < a)
1172     put_dest (dc, imm);
1173
1174   /** 0000 0001 1sss ddd w dd ss 1100   MIN.size src,dest */
1175
1176   prefix (0, 0, 0);
1177   w++;
1178   sc = decode_src23 (sss, ss, w);
1179   dc = decode_dest23 (ddd, dd, w);
1180   b = sign_ext (get_src (sc), w*8);
1181   a = sign_ext (get_src (dc), w*8);
1182   tprintf ("min %d %d\n", b, a);
1183   if (b < a)
1184     put_dest (dc, b);
1185
1186   /** 1001 ddd w dd10 1111              MOV.size:G #IMM,dest */
1187
1188   dc = decode_dest23 (ddd, dd, w+1);
1189   imm = IMM(w+1);
1190   v = imm;
1191   tprintf("%x = %x\n", v, v);
1192   set_sz(v, w+1);
1193   put_dest (dc, v);
1194
1195   /** 1011 ddd0 dd11 0001               MOV.L:G #IMM,dest */
1196
1197   dc = decode_dest23 (ddd, dd, 4);
1198   imm = IMM(4);
1199   v = imm;
1200   tprintf("%x = %x\n", v, v);
1201   set_sz(v, 4);
1202   put_dest (dc, v);
1203
1204   /** 1111 ddd w dd10 immm              MOV.size:Q #IMM4,dest */
1205
1206   dc = decode_dest23 (ddd, dd, w+1);
1207   imm = sign_ext (immm, 4);
1208   v = imm;
1209   tprintf("%x = %d\n", v, v);
1210   set_sz(v, w+1);
1211   put_dest (dc, v);
1212
1213   /** 00dd 010w                         MOV.size:S #IMM,dest */
1214
1215   prefix (0, 1, 0);
1216   dc = decode_dest2 (dd, w+1);
1217   imm = IMM(w+1);
1218   put_dest (dc, imm);
1219   set_sz (imm, w+1);
1220
1221   /** 10w1 110d                         MOV.size:S #IMM,a0/a1 */
1222
1223   imm = IMM(w ? 3 : 2);
1224   put_reg (d ? a1 : a0, imm);
1225   set_sz (imm & addr_mask, w+1);
1226
1227   /** 00dd 001w                         MOV.size:Z #0,dest */
1228
1229   prefix (0, 1, 0);
1230   dc = decode_dest2 (dd, w+1);
1231   put_dest (dc, 0);
1232   set_sz (0, w+1);
1233
1234   /** 1sss ddd w dd ss 1011             MOV.size:G src,dest */
1235
1236   prefix (1, 1, 0);
1237   sc = decode_src23 (sss, ss, w+1);
1238   dc = decode_dest23 (ddd, dd, w+1);
1239   v = get_src (sc);
1240   put_dest (dc, v);
1241   set_sz (v, w+1);
1242
1243   /** 1sss ddd1 dd ss 0011              MOV.L:G src,dest */
1244
1245   prefix (1, 1, 0);
1246   sc = decode_src23 (sss, ss, 4);
1247   dc = decode_dest23 (ddd, dd, 4);
1248   v = get_src (sc);
1249   put_dest (dc, v);
1250   set_sz (v, 4);
1251
1252   /** VARY SS 01 10 11 */
1253   /** 00SS 100w                         MOV.size:S src,R0L/R0 */
1254
1255   prefix (0, 1, 0);
1256   sc = decode_dest2 (SS, w+1);
1257   v = get_src (sc);
1258   put_reg (w ? r0 : r0l, v);
1259   set_sz (v, w+1);
1260
1261   /** 01ss 111w                         MOV.size:S src,R1L/R1 */
1262
1263   prefix (0, 1, 0);
1264   sc = decode_dest2 (ss, w+1);
1265   v = get_src (sc);
1266   put_reg (w ? r1 : r1l, v);
1267   set_sz (v, w+1);
1268
1269   /** VARY DD 01 10 11 */
1270   /** 00DD 000w                         MOV.size:S R0L/R0,dest */
1271
1272   prefix (0, 1, 0);
1273   dc = decode_dest2 (DD, w+1);
1274   v = get_reg (w ? r0 : r0l);
1275   put_dest (dc, v);
1276   set_sz (v, w+1);
1277
1278   /** 01ss 100d                         MOV.L:S src,A0/A1 */
1279
1280   prefix (0, 1, 0);
1281   sc = decode_dest2 (ss, 4);
1282   v = get_src (sc);
1283   put_reg (d ? a1 : a0, v);
1284   set_sz (v, 4);
1285
1286   /** 1011 ddd w dd00 1111              MOV.size:G dsp:8[SP], dest */
1287
1288   prefix (0, 0, 0);
1289   imm = IMM(1);
1290   dc = decode_dest23 (ddd, dd, w+1);
1291   a = get_reg (sp) + sign_ext (imm, 8);
1292   a &= addr_mask;
1293   if (w)
1294     v = mem_get_hi (a);
1295   else
1296     v = mem_get_qi (a);
1297   put_dest (dc, v);
1298   set_sz (v, w+1);
1299
1300   /** 1010 sss w ss00 1111              MOV.size:G src,dsp:8[SP] */
1301
1302   prefix (0, 0, 0);
1303   sc = decode_dest23 (sss, ss, w+1);
1304   imm = IMM(1);
1305   a = get_reg (sp) + sign_ext (imm, 8);
1306   a &= addr_mask;
1307   v = get_src (sc);
1308   if (w)
1309     mem_put_hi (a, v);
1310   else
1311     mem_put_qi (a, v);
1312   set_sz (v, w+1);
1313
1314   /** 1101 sss1 ss01 1dst               MOVA src,dest */
1315
1316   static reg_id map[8] = { r2r0, r3r1, a0, a1 };
1317   prefix (0, 0, 0);
1318   sc = decode_src23 (sss, ss, 1);
1319   if (!sc.mem || !map[dst])
1320     UNSUPPORTED();
1321   put_reg (map[dst], sc.u.addr);
1322
1323   /** 0000 0001 1011 ddd0 dd hl 1110    MOVdir R0L,dest */
1324
1325   prefix (0, 0, 0);
1326   dc = decode_dest23 (ddd, dd, 1);
1327   a = get_src (dc);
1328   b = get_reg (r0l);
1329   switch (hl)
1330     {
1331     case 0: a = (a & 0xf0) | (b & 0x0f); break;
1332     case 1: a = (a & 0xf0) | ((b>>4) & 0x0f); break;
1333     case 2: a = (a & 0x0f) | ((b & 0x0f)<<4); break;
1334     case 3: a = (a & 0x0f) | (b & 0xf0); break;
1335     }
1336   put_dest (dc, a);
1337
1338   /** 0000 0001 1010 sss0 ss hl 1110    MOVdir src,R0L */
1339
1340   prefix (0, 0, 0);
1341   sc = decode_dest23 (sss, ss, 1);
1342   a = get_reg (r0l);
1343   b = get_src (dc);
1344   switch (hl)
1345     {
1346     case 0: a = (a & 0xf0) | (b & 0x0f); break;
1347     case 1: a = (a & 0xf0) | ((b>>4) & 0x0f); break;
1348     case 2: a = (a & 0x0f) | ((b & 0x0f)<<4); break;
1349     case 3: a = (a & 0x0f) | (b & 0xf0); break;
1350     }
1351   put_reg (r0l, a);
1352
1353   /** 1011 ddd0 dd01 0001               MOVX #IMM,dest */
1354
1355   prefix (0, 1, 0);
1356   dc = decode_dest23 (ddd, dd, 4);
1357   imm = sign_ext (IMM(1), 8);
1358   put_dest (dc, imm);
1359   set_sz (imm, 1);
1360
1361   /** 1000 ddd w dd01 1111              MUL.size #IMM,dest */
1362
1363   prefix (0, 1, 0);
1364   w ++;
1365   dc = decode_dest23 (ddd, dd, w);
1366   v = sign_ext (get_src (dc), w*8);
1367   imm = sign_ext (IMM(w), w*8);
1368   tprintf("%d * %d = %d\n", v, imm, v*imm);
1369   v *= imm;
1370   dc = widen_sd (dc);
1371   put_dest (dc, v);
1372
1373   /** 1sss ddd w dd ss 1100             MUL.size src,dest */
1374
1375   prefix (1, 1, 0);
1376   w ++;
1377   sc = decode_src23 (sss, ss, w);
1378   dc = decode_dest23 (ddd, dd, w);
1379   a = sign_ext (get_src (sc), w*8);
1380   b = sign_ext (get_src (dc), w*8);
1381   tprintf("%d * %d = %d\n", a, b, a*b);
1382   v = a * b;
1383   dc = widen_sd (dc);
1384   put_dest (dc, v);
1385
1386   /** 0000 0001 1000 sss1 ss01 1111     MUL.L src,R2R0 */
1387
1388   M32C_ONLY();
1389   prefix (0, 0, 0);
1390   sc = decode_src23 (sss, ss, 4);
1391   a = sign_ext (get_src (sc), 32);
1392   b = sign_ext (get_reg (r2r0), 32);
1393   ll = (long long)a * (long long)b;
1394   tprintf("%d * %d = %lld (%llx)\n", a, b, ll, ll);
1395   if (ll < b2minsigned[4] || ll > b2maxsigned[4])
1396     set_flags (FLAGBIT_O, FLAGBIT_O);
1397   else
1398     set_flags (FLAGBIT_O, 0);
1399   put_reg (r2r0, (int)ll);
1400
1401   /** 1100 sss1 ss11 1110               MULEX src */
1402
1403   prefix (0, 1, 0);
1404   sc = decode_dest23 (sss, ss, 2);
1405   a = sign_ext (get_src (sc), 16);
1406   b = sign_ext (get_reg (r2r0), 32);
1407   ll = (long long)a * (long long)b;
1408   tprintf("%d * %d = %lld (%llx)\n", a, b, ll, ll);
1409   put_reg (r2r0, (int)ll);
1410   put_reg (r1, (int)(ll >> 32));
1411
1412   /** 1000 ddd w dd00 1111              MULU.size #IMM,dest */
1413
1414   prefix (0, 1, 0);
1415   w ++;
1416   dc = decode_dest23 (ddd, dd, w);
1417   v = get_src (dc);
1418   imm = IMM(w);
1419   tprintf("%d * %d = %d\n", v, imm, v*imm);
1420   v *= imm;
1421   dc = widen_sd (dc);
1422   put_dest (dc, v);
1423
1424   /** 1sss ddd w dd ss 0100             MULU.size src,dest */
1425
1426   prefix (1, 1, 0);
1427   w ++;
1428   sc = decode_src23 (sss, ss, w);
1429   dc = decode_dest23 (ddd, dd, w);
1430   a = get_src (sc);
1431   b = get_src (dc);
1432   tprintf("%d * %d = %d\n", a, b, a*b);
1433   v = a * b;
1434   dc = widen_sd (dc);
1435   put_dest (dc, v);
1436
1437   /** 0000 0001 1000 sss1 ss00 1111     MULU.L src,R2R0 */
1438
1439   M32C_ONLY();
1440   prefix (0, 0, 0);
1441   sc = decode_src23 (sss, ss, 4);
1442   a = get_src (sc);
1443   b = get_reg (r2r0);
1444   ll = (long long)a * (long long)b;
1445   tprintf("%d * %d = %lld (%llx)\n", a, b, ll, ll);
1446   if (ll < b2minsigned[4] || ll > b2maxsigned[4])
1447     set_flags (FLAGBIT_O, FLAGBIT_O);
1448   else
1449     set_flags (FLAGBIT_O, 0);
1450   put_reg (r2r0, (int)ll);
1451
1452   /** 1010 ddd w dd10 1111              NEG.size dest */
1453
1454   prefix (0, 1, 0);
1455   dc = decode_dest23 (ddd, dd, w+1);
1456   a = sign_ext (get_src (dc), (w+1)*8);
1457   v = -a;
1458   tprintf("%d * -1 = %d\n", a, v);
1459   set_oszc(v, w+1, v==0);
1460   put_dest (dc, v);
1461
1462   /** 1101 1110                         NOP */
1463
1464   tprintf("nop\n");
1465
1466   /** 1010 ddd w dd01 1110              NOT.size dest */
1467
1468   prefix (0, 1, 0);
1469   dc = decode_dest23 (ddd, dd, w+1);
1470   a = get_src (dc);
1471   v = ~a;
1472   tprintf("~ %x = %x\n", a, v);
1473   set_sz(v, w+1);
1474   put_dest (dc, v);
1475
1476   /** 1000 ddd w dd10 1111              OR.size:G #IMM,dest */
1477
1478   prefix (0, 1, 0);
1479   dc = decode_dest23(ddd, dd, w+1);
1480   imm = IMM(w+1);
1481   LOGIC_OP (dc, imm, |);
1482
1483   /** 01dd 010w                         OR.size:S #IMM,dest */
1484
1485   prefix (0, 1, 0);
1486   dc = decode_dest2(dd, w+1);
1487   imm = IMM (w+1);
1488   LOGIC_OP (dc, imm, |);
1489
1490   /** 1sss ddd w dd ss 0101             OR.size:G src,dest */
1491
1492   prefix (1, 1, 0);
1493   sc = decode_src23(sss, ss, w+1);
1494   dc = decode_dest23(ddd, dd, w+1);
1495   b = get_src (sc);
1496   LOGIC_OP (dc, b, |);
1497
1498   /** 1011 ddd w dd10 1111              POP.size dest */
1499
1500   prefix (0, 1, 0);
1501   dc = decode_dest23 (ddd, dd, w+1);
1502   if (w)
1503     a = mem_get_hi (get_reg (sp));
1504   else
1505     a = mem_get_qi (get_reg (sp));
1506   put_reg (sp, get_reg (sp) + 2);
1507   tprintf("pop%s: %x\n", w ? "hi" : "qi", a);
1508   put_dest (dc, a);
1509
1510   /** 1101 0011 1010 1dst               POPC dest */
1511
1512   prefix (0, 0, 0);
1513   dc = decode_cr_b (dst, CR_B_DCT0);
1514   a = mem_get_hi (get_reg (sp));
1515   put_reg (sp, get_reg (sp) + 2);
1516   tprintf("pophi: %x\n", a);
1517   put_dest (dc, a);
1518
1519   /** 1101 0011 0010 1dst               POPC dest */
1520
1521   prefix (0, 0, 0);
1522   dc = decode_cr_b (dst, CR_B_INTB);
1523   a = mem_get_si (get_reg (sp));
1524   put_reg (sp, get_reg (sp) + 4);
1525   tprintf("popsi: %x\n", a);
1526   put_dest (dc, a);
1527
1528   /** 1000 1110                         POPM dest */
1529
1530   static int map[] = { r0, r1, r2, r3, a0, a1, sb, fb };
1531   prefix (0, 0, 0);
1532   imm = IMM(1);
1533   tprintf("popm: %x\n", imm);
1534   for (a=0; a<4; a++)
1535     if (imm & (1<<a))
1536       {
1537         v = mem_get_hi (get_reg (sp));
1538         put_reg (map[a], v);
1539         put_reg (sp, get_reg (sp) + 2);
1540       }
1541   for (; a<8; a++)
1542     if (imm & (1<<a))
1543       {
1544         v = mem_get_si (get_reg (sp));
1545         put_reg (map[a], v);
1546         put_reg (sp, get_reg (sp) + 4);
1547       }
1548
1549   /** 1010 111w                         PUSH.size #IMM */
1550
1551   prefix (0, 0, 0);
1552   imm = IMM(w+1);
1553   tprintf("push%s: %x\n", w ? "hi" : "qi", imm);
1554   int a = get_reg (sp) - 2;
1555   if (w)
1556     mem_put_hi (a, imm);
1557   else
1558     mem_put_qi (a, imm);
1559   put_reg (sp, a);
1560
1561   /** 1100 sss w ss00 1110              PUSH.size src */
1562
1563   prefix (0, 1, 0);
1564   sc = decode_dest23 (sss, ss, w+1);
1565   a = get_src (sc);
1566   put_reg (sp, get_reg (sp) - 2);
1567   if (w)
1568     mem_put_hi (get_reg (sp), a);
1569   else
1570     mem_put_qi (get_reg (sp), a);
1571   tprintf("push%s: %x\n", w ? "hi" : "qi", a);
1572
1573   /** 1011 0110 0101 0011               PUSH.L #IMM32 */
1574
1575   imm = IMM(4);
1576   put_reg (sp, get_reg (sp) - 4);
1577   mem_put_si (get_reg (sp), imm);
1578
1579   /** 1010 sss0 ss00 0001               PUSH.L src */
1580
1581   prefix (0, 1, 0);
1582   sc = decode_dest23 (sss, ss, 4);
1583   a = get_src (sc);
1584   put_reg (sp, get_reg (sp) - 4);
1585   mem_put_si (get_reg (sp), a);
1586
1587   /** 1011 0sa0 ss00 0001               PUSHA src */
1588
1589   prefix (0, 0, 0);
1590   sc = decode_dest23 (sa, ss, 1);
1591   put_reg (sp, get_reg (sp) - 4);
1592   mem_put_hi (get_reg (sp), sc.u.addr);
1593   tprintf("pushsi: %x\n", sc.u.addr);
1594
1595   /** 1101 0001 1010 1src               PUSHC src */
1596
1597   prefix (0, 0, 0);
1598   sc = decode_cr_b (src, CR_B_DCT0);
1599   a = get_src (sc);
1600   put_reg (sp, get_reg (sp) - 2);
1601   mem_put_hi (get_reg (sp), a);
1602   tprintf("pushhi: %x\n", a);
1603
1604   /** 1101 0001 0010 1src               PUSHC src */
1605
1606   prefix (0, 0, 0);
1607   sc = decode_cr_b (src, CR_B_INTB);
1608   a = get_src (sc);
1609   put_reg (sp, get_reg (sp) - 4);
1610   mem_put_si (get_reg (sp), a);
1611   tprintf("pushsi: %x\n", a);
1612
1613   /** 1000 1111                         PUSHM src */
1614
1615   static int map[] = { fb, sb, a1, a0, r3, r2, r1, r0 };
1616   imm = IMM(1);
1617   tprintf("pushm: %x\n", imm);
1618   for (a=0; a<4; a++)
1619     if (imm & (1<<a))
1620       {
1621         put_reg (sp, get_reg (sp) - 4);
1622         v = get_reg (map[a]);
1623         mem_put_si (get_reg (sp), v);
1624       }
1625   for (; a<8; a++)
1626     if (imm & (1<<a))
1627       {
1628         put_reg (sp, get_reg (sp) - 2);
1629         v = get_reg (map[a]);
1630         mem_put_hi (get_reg (sp), v);
1631       }
1632
1633   /** 1001 1110                         REIT */
1634
1635   a = get_reg (sp);
1636   put_reg (pc, mem_get_si (a));
1637   a += 4;
1638   put_reg (flags, mem_get_hi (a));
1639   a += 2;
1640   put_reg (sp, a);
1641
1642   /** 1011 1000 010w 0011               RMPA.size */
1643
1644   int count = get_reg (r3);
1645   int list1 = get_reg (a0);
1646   int list2 = get_reg (a1);
1647   long long sum = get_reg_ll (r3r1r2r0) & 0xffffff;
1648
1649   while (count)
1650     {
1651       if (w)
1652         {
1653           a = sign_ext (mem_get_hi (list1), 16);
1654           b = sign_ext (mem_get_hi (list2), 16);
1655         }
1656       else
1657         {
1658           a = sign_ext (mem_get_qi (list1), 8);
1659           b = sign_ext (mem_get_qi (list2), 8);
1660         }
1661       tprintf("%lld + %d * %d = ", sum, a, b);
1662       sum += a * b;
1663       tprintf("%lld\n", sum);
1664       list1 += w ? 2 : 1;
1665       list2 += w ? 2 : 1;
1666       count --;
1667     }
1668   put_reg (r3, count);
1669   put_reg (a0, list1);
1670   put_reg (a1, list2);
1671   put_reg (r2r0, (int)(sum & 0xffffffffU));
1672   put_reg (r1, (int)(sum >> 32));
1673
1674   /** 1011 ddd w dd10 1110              ROLC.size dest */
1675
1676   prefix (0, 1, 0);
1677   dc = decode_dest23 (ddd, dd, w+1);
1678   rot_op (dc, 1, 1);
1679
1680   /** 1010 ddd w dd10 1110              RORC.size dest */
1681
1682   prefix (0, 1, 0);
1683   dc = decode_dest23 (ddd, dd, w+1);
1684   rot_op (dc, 1, -1);
1685
1686   /** 1110 ddd w dd10 immm              ROT.size #IMM, dest */
1687
1688   prefix (0, 1, 0);
1689   dc = decode_dest23 (ddd, dd, w+1);
1690   rot_op (dc, IMM4(), -1);
1691
1692   /** 1010 ddd w dd11 1111              ROT.size R1H,dest */
1693
1694   prefix (0, 1, 0);
1695   dc = decode_dest23 (ddd, dd, w+1);
1696   a = sign_ext (get_reg (r1h), 8);
1697   rot_op (dc, a, -1);
1698
1699   /** 1101 1111                         RTS */
1700
1701   put_reg (pc, mem_get_si (get_reg (sp)));
1702   put_reg (sp, get_reg (sp) + 4);
1703
1704   /** 0000 0001 1001 ddd w dd10 1110    SBB.size #IMM, dest */
1705
1706   prefix (0, 0, 0);
1707   dc = decode_dest23 (ddd, dd, w+1);
1708   imm = IMM (w+1);
1709   MATH_OP (dc, imm, !carry, -);
1710
1711   /** 0000 0001 1sss ddd w dd ss 0110   SBB.size src,dest */
1712
1713   prefix (0, 0, 0);
1714   sc = decode_src23 (sss, ss, w+1);
1715   dc = decode_dest23 (ddd, dd, w+1);
1716   MATH_OP (dc, get_src (sc), !carry, -);
1717
1718   /** 1101 ddd1 dd11 cond               SCcond dest */
1719
1720   prefix (0, 1, 0);
1721   dc = decode_dest23 (ddd, dd, 2);
1722   if (condition_true (cond))
1723     put_dest (dc, 1);
1724   else
1725     put_dest (dc, 0);
1726
1727   /** 1011 1000 110w 0011               SCMPU.size */
1728
1729   ta0 = get_reg (a0);
1730   ta1 = get_reg (a1);
1731
1732   for (;;)
1733     {
1734       t0 = mem_get_qi (ta0);
1735       t2 = mem_get_qi (ta1);
1736       if (w)
1737         {
1738           t1 = mem_get_qi (ta0 + 1);
1739           t3 = mem_get_qi (ta1 + 1);
1740         }
1741       dif = t0 - t2;
1742       if (dif == 0 && t0 != 0 && w)
1743         dif = t1 - t3;
1744       set_oszc (dif, 1, dif > 0);
1745
1746       ta0 += w ? 2 : 1;
1747       ta1 += w ? 2 : 1;
1748
1749       if (t0 == 0 || t0 != t2)
1750         break;
1751       if (w && (t1 == 0 || t1 != t3))
1752         break;
1753     }
1754
1755   /** 1111 ddd w dd00 immm              SHA.size #IMM,dest */
1756
1757   prefix (0, 1, 0);
1758   dc = decode_dest23 (ddd, dd, w+1);
1759   shift_op (dc, 1, IMM4(), 1);
1760
1761   /** 1010 ddd0 dd10 0001               SHA.L #IMM,dest */
1762
1763   prefix (0, 1, 0);
1764   dc = decode_dest23 (ddd, dd, 4);
1765   imm = sign_ext (IMM(1), 8);
1766   shift_op (dc, 1, imm, 1);
1767
1768   /** 1011 ddd w dd11 1110              SHA.size R1H,dest */
1769
1770   prefix (0, 1, 0);
1771   dc = decode_dest23 (ddd, dd, w+1);
1772   a = sign_ext (get_reg (r1h), 8);
1773   shift_op (dc, 1, a, 1);
1774
1775   /** 1100 ddd0 dd01 0001               SHA.L   R1H,dest */
1776
1777   prefix (0, 1, 0);
1778   dc = decode_dest23 (ddd, dd, 4);
1779   a = sign_ext (get_reg (r1h), 8);
1780   shift_op (dc, 1, a, 1);
1781
1782   /** 1100 ddd0 dd10 0001               SHANC.L #IMM,dest */
1783
1784   M32C_ONLY();
1785   prefix (0, 1, 0);
1786   dc = decode_dest23 (ddd, dd, 4);
1787   imm = sign_ext (IMM(1), 8);
1788   shift_op (dc, 1, imm, 0);
1789
1790   /** 1110 ddd w dd00 immm              SHL.size #IMM, dest */
1791
1792   prefix (0, 1, 0);
1793   dc = decode_dest23 (ddd, dd, w+1);
1794   shift_op (dc, 0, IMM4(), 1);
1795
1796   /** 1001 ddd0 dd10 0001               SHL.L #IMM, dest */
1797
1798   prefix (0, 1, 0);
1799   dc = decode_dest23 (ddd, dd, 4);
1800   imm = sign_ext (IMM(1), 8);
1801   shift_op (dc, 0, imm, 1);
1802
1803   /** 1010 ddd w dd11 1110              SHL.size R1H,dest */
1804
1805   prefix (0, 1, 0);
1806   dc = decode_dest23 (ddd, dd, w+1);
1807   a = sign_ext (get_reg (r1h), 8);
1808   shift_op (dc, 0, a, 1);
1809
1810   /** 1100 ddd0 dd00 0001               SHL.L R1H,dest */
1811
1812   prefix (0, 1, 0);
1813   dc = decode_dest23 (ddd, dd, 4);
1814   a = sign_ext (get_reg (r1h), 8);
1815   shift_op (dc, 0, a, 1);
1816
1817   /** 1000 ddd0 dd10 0001               SHLNC.L #IMM,dest */
1818
1819   M32C_ONLY();
1820   prefix (0, 1, 0);
1821   dc = decode_dest23 (ddd, dd, 4);
1822   imm = sign_ext (IMM(1), 8);
1823   shift_op (dc, 0, imm, 0);
1824
1825   /** 1011 0010 100w 0011               SIN.size */
1826
1827   v = get_reg (a0);
1828   a = get_reg (a1);
1829   b = get_reg (r3);
1830   if (b) for (;b;)
1831     {
1832       if (w)
1833         mem_put_hi(a, mem_get_hi (v));
1834       else
1835         mem_put_qi(a, mem_get_qi (v));
1836       a += w ? 2 : 1;
1837       b --;
1838     }
1839   put_reg (a0, v);
1840   put_reg (a1, a);
1841   put_reg (r3, b);
1842
1843   /** 1011 0110 100w 0011               SMOVB.size */
1844
1845   v = get_reg (a0);
1846   a = get_reg (a1);
1847   b = get_reg (r3);
1848   if (b) for (;b;)
1849     {
1850       if (w)
1851         mem_put_hi(a, mem_get_hi (v));
1852       else
1853         mem_put_qi(a, mem_get_qi (v));
1854       v -= w ? 2 : 1;
1855       a -= w ? 2 : 1;
1856       b --;
1857     }
1858   put_reg (a0, v);
1859   put_reg (a1, a);
1860   put_reg (r3, b);
1861
1862   /** 1011 0000 100w 0011               SMOVF.size */
1863
1864   v = get_reg (a0);
1865   a = get_reg (a1);
1866   b = get_reg (r3);
1867   if (b) for (;b;)
1868     {
1869       if (w)
1870         mem_put_hi(a, mem_get_hi (v));
1871       else
1872         mem_put_qi(a, mem_get_qi (v));
1873       v += w ? 2 : 1;
1874       a += w ? 2 : 1;
1875       b --;
1876     }
1877   put_reg (a0, v);
1878   put_reg (a1, a);
1879   put_reg (r3, b);
1880
1881   /** 1011 1000 100w 0011               SMOVU.size */
1882
1883   v = get_reg (a0);
1884   a = get_reg (a1);
1885   do
1886     {
1887       if (w)
1888         mem_put_hi(a, (t0 = mem_get_hi (v)));
1889       else
1890         mem_put_qi(a, (t0 = mem_get_qi (v)));
1891       v += w ? 2 : 1;
1892       a += w ? 2 : 1;
1893       if (t0 == 0
1894           || (w && ((t0 & 0xff) == 0 || (t0 & 0xff00) == 0)))
1895         break;
1896     } while (1);
1897   put_reg (a0, v);
1898   put_reg (a1, a);
1899
1900   /** 1011 0100 100w 0011               SOUT.size */
1901
1902   v = get_reg (a0);
1903   a = get_reg (a1);
1904   b = get_reg (r3);
1905   for (;b;)
1906     {
1907       if (w)
1908         mem_put_hi(a, mem_get_hi (v));
1909       else
1910         mem_put_qi(a, mem_get_qi (v));
1911       v += w ? 2 : 1;
1912       b --;
1913     }
1914   put_reg (a0, v);
1915   put_reg (a1, a);
1916   put_reg (r3, b);
1917
1918   /** 1011 1000 000w 0011               SSTR.size */
1919
1920   a = get_reg (a1);
1921   b = get_reg (r3);
1922   for (;b;)
1923     {
1924       if (w)
1925         mem_put_hi(a, r0);
1926       else
1927         mem_put_qi(a, r0 & 0xff);
1928       a += w ? 2 : 1;
1929       b --;
1930     }
1931   put_reg (a1, a);
1932   put_reg (r3, b);
1933
1934   /** 0000 0001 1101 ddd1 dd01 0src     STC src,dest */
1935
1936   prefix (0, 0, 0);
1937   dc = decode_dest23 (ddd, dd, 4);
1938   sc = decode_cr_b (src, CR_B_DMA0);
1939   a = get_src (sc);
1940   put_dest (dc, a);
1941
1942   /** 0000 0001 1101 ddd1 dd01 1src     STC src,dest */
1943
1944   prefix (0, 0, 0);
1945   dc = decode_dest23 (ddd, dd, 2);
1946   sc = decode_cr_b (src, CR_B_DCT0);
1947   a = get_src (sc);
1948   put_dest (dc, a);
1949
1950   /** 1101 ddd1 dd01 0src               STC src,dest */
1951
1952   prefix (0, 0, 0);
1953   dc = decode_dest23 (ddd, dd, 4);
1954   sc = decode_cr_b (src, CR_B_INTB);
1955   a = get_src (sc);
1956   put_dest (dc, a);
1957
1958   /** 1011 0110 1101 0011               STCX abs16,abs24 */
1959
1960   NOTYET();
1961
1962   /** 1001 ddd w dd01 1111              STNZ.size #IMM,dest */
1963
1964   prefix (0, 1, 0);
1965   dc = decode_dest23 (ddd, dd, w+1);
1966   imm = IMM(w+1);
1967   if (! FLAG_Z)
1968     put_dest (dc, imm);
1969
1970   /** 1001 ddd w dd00 1111              STZ.size #IMM,dest */
1971
1972   prefix (0, 1, 0);
1973   dc = decode_dest23 (ddd, dd, w+1);
1974   imm = IMM(w+1);
1975   if (FLAG_Z)
1976     put_dest (dc, imm);
1977
1978   /** 1001 ddd w dd11 1111              STZX.size #IMM1,#IMM2,dest */
1979
1980   prefix (0, 1, 0);
1981   dc = decode_dest23 (ddd, dd, w+1);
1982   a = IMM(w+1);
1983   b = IMM(w+1);
1984   if (FLAG_Z)
1985     put_dest (dc, a);
1986   else
1987     put_dest (dc, b);
1988
1989   /** 1000 ddd w dd11 1110              SUB.size:G #IMM,dest */
1990
1991   prefix (0, 1, 0);
1992   dc = decode_dest23(ddd, dd, w+1);
1993   imm = IMM(w+1);
1994   MATH_OP (dc, imm, 0, -);
1995
1996   /** 1001 ddd0 dd11 0001               SUB.L:G #IMM,dest */
1997
1998   prefix (0, 1, 0);
1999   dc = decode_dest23(ddd, dd, 4);
2000   imm = IMM(4);
2001   MATH_OP (dc, imm, 0, -);
2002
2003   /** 00dd 111w                         SUB.size:S #IMM,dest */
2004
2005   prefix (0, 1, 0);
2006   dc = decode_dest2(dd, w+1);
2007   imm = IMM (w+1);
2008   MATH_OP (dc, imm, 0, -);
2009
2010   /** 1sss ddd w dd ss 1010             SUB.size:G src,dest */
2011
2012   prefix (1, 1, 0);
2013   sc = decode_src23(sss, ss, w+1);
2014   dc = decode_dest23(ddd, dd, w+1);
2015   b = get_src (sc);
2016   MATH_OP (dc, b, 0, -);
2017
2018   /** 1sss ddd1 dd ss 0000              SUB.L:G src,dest */
2019
2020   prefix (1, 1, 0);
2021   sc = decode_src23(sss, ss, 4);
2022   dc = decode_dest23(ddd, dd, 4);
2023   b = get_src (sc);
2024   MATH_OP (dc, b, 0, -);
2025
2026   /** 1001 ddd0 dd01 0001               SUBX #IMM,dest */
2027
2028   prefix (0, 1, 0);
2029   dc = decode_dest23(ddd, dd, 4);
2030   imm = sign_ext (IMM(1), 8);
2031   MATH_OP (dc, imm, 0, -);
2032
2033   /** 1sss ddd0 dd ss 0000              SUBX src,dest */
2034
2035   prefix (1, 1, 0);
2036   sc = decode_src23(sss, ss, 1);
2037   dc = decode_dest23(ddd, dd, 4);
2038   b = sign_ext (get_src (sc), 8);
2039   MATH_OP (dc, b, 0, -);
2040
2041   /** 1001 ddd w dd11 1110              TST.size:G #IMM,dest */
2042
2043   prefix (0, 0, 0);
2044   dc = decode_dest23 (ddd, dd, w+1);
2045   imm = IMM(w+1);
2046   a = get_src (dc);
2047   v = a & imm;
2048   set_sz (v, w+1);
2049
2050   /** 00dd 110w                         TST.size:S #IMM,dest */
2051
2052   prefix (0, 0, 0);
2053   dc = decode_dest2 (dd, w+1);
2054   imm = IMM(w+1);
2055   a = get_src (dc);
2056   v = a & imm;
2057   set_sz (v, w+1);
2058
2059   /** 0000 0001 1sss ddd w dd ss 1001   TST.size:G src,dest */
2060
2061   prefix (0, 0, 0);
2062   sc = decode_src23 (sss, ss, w+1);
2063   dc = decode_dest23 (ddd, dd, w+1);
2064   b = get_src (sc);
2065   a = get_src (dc);
2066   v = a & b;
2067   set_sz (v, w+1);
2068
2069   /** 1111 1111                         UND */
2070
2071   trigger_fixed_interrupt (0xffffdc);
2072
2073   /** 1011 0010 0000 0011               WAIT */
2074
2075   ;
2076
2077   /** 1101 ddd w dd00 1src              XCHG.size src,dest */
2078
2079   dc = decode_dest23 (ddd, dd, w+1);
2080   sc = decode_src3 (src, w+1);
2081   a = get_src (dc);
2082   b = get_src (sc);
2083   put_dest (dc, b);
2084   put_dest (sc, a);
2085
2086   /** 1001 ddd w dd00 1110              XOR.size #IMM,dest */
2087
2088   prefix (0, 1, 0);
2089   dc = decode_dest23(ddd, dd, w+1);
2090   imm = IMM(w+1);
2091   LOGIC_OP (dc, imm, ^);
2092
2093   /** 1sss ddd w dd ss 1001             XOR.size src,dest */
2094
2095   prefix (1, 1, 0);
2096   sc = decode_src23(sss, ss, w+1);
2097   dc = decode_dest23(ddd, dd, w+1);
2098   b = get_src (sc);
2099   LOGIC_OP (dc, b, ^);
2100
2101 /** */
2102
2103   return step_result;
2104 }