1 /* m32c.opc --- semantics for m32c opcodes. -*- mode: c -*-
3 Copyright (C) 2005, 2007 Free Software Foundation, Inc.
4 Contributed by Red Hat, Inc.
6 This file is part of the GNU simulators.
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.
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.
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/>. */
30 #define AU __attribute__((unused))
32 #define tprintf if (trace) printf
48 #define M32C_ONLY() /* FIXME: add something here */
50 #define GETBYTE() (op[opi++] = getbyte())
52 #define UNSUPPORTED() unsupported("unsupported", orig_pc)
53 #define NOTYET() unsupported("unimplemented", orig_pc)
56 unsupported (char *tag, int orig_pc)
59 printf("%s opcode at %08x\n", tag, orig_pc);
64 printf(" %s", bits(b>>4, 4));
65 printf(" %s", bits(b, 4));
72 printf(" %02x", mem_get_pc ());
86 rv = mem_get_qi (get_reg(pc));
89 rv = mem_get_hi (get_reg(pc));
92 rv = mem_get_psi (get_reg(pc));
95 rv = mem_get_si (get_reg(pc));
102 #define IMM4() (immm >= 8 ? 7 - immm : immm + 1)
104 #define NO_PREFIX() PREFIX(0,0,0)
106 /* Indicate which sorts of prefixes are allowed for the current
109 prefix (src_allowed, dest_allowed, index_bytewidth)
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
117 #define MATH_OP(dc,s,c,op) \
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); \
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)); \
132 #define LOGIC_OP(dc,s,op) \
136 mb = s & b2mask[dc.bytes]; \
138 tprintf("0x%x " #op " 0x%x = 0x%x\n", ma, mb, v); \
139 set_sz (v, dc.bytes); \
143 #define BIT_OP(dc,bit,expr) \
144 b = get_bit2 (dc, bitindex == -1 ? bit : bitindex); \
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);
150 #define BIT_OPC(dc,bit,expr) \
151 b = get_bit2 (dc, bitindex == -1 ? bit : bitindex); \
153 tprintf ("b=%d, bit=%d, carry=%d, %s = %d\n", \
154 b, bitindex == -1 ? bit : bitindex, carry, #expr, v); \
157 #define carry (FLAG_C ? 1 : 0)
160 cmp (int d, int s, int bytes)
164 b = sign_ext (d, bytes*8) - sign_ext (s, bytes*8);
165 tprintf ("cmp: %x - %x = %08x, %x - %x = %d\n",
167 sign_ext(d,bytes*8), sign_ext(s,bytes*8), b);
171 if (b & b2signbit[bytes])
173 if ((d & b2mask[bytes]) >= (s & b2mask[bytes]))
175 if (b < b2minsigned[bytes] || b > b2maxsigned[bytes])
178 set_flags (FLAGBIT_Z | FLAGBIT_S | FLAGBIT_O | FLAGBIT_C, f);
182 dadd_op (int ddd, int dd, int sss, int ss, int imm, int add, int cy, int w)
191 sc = decode_src23 (sss, ss, w+1);
194 dc = decode_dest23 (ddd, dd, w+1);
202 tprintf("decimal: %d %s %d", a, add?"+":"-", b);
204 tprintf(" c=%d", carry);
211 cy = res > (w ? 9999 : 99);
220 res += w ? 10000 : 100;
223 res = int2bcd (res, w);
224 tprintf(" = %x\n", res);
226 set_szc (res, w+1, cy);
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)
234 div_op (int sss, int ss, int u, int x, int bytes)
243 sc = decode_dest23 (sss, ss, bytes);
247 v = get_reg (bytes > 1 ? r2r0 : r0);
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);
258 set_flags (FLAGBIT_O, FLAGBIT_O);
264 a = (unsigned int)v / (unsigned int)s;
265 b = (unsigned int)v % (unsigned int)s;
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);
287 set_flags (FLAGBIT_O, 0);
306 index_op (int sss, int ss, int do_s, int do_d, int scale, int w)
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);
313 #define INDEXOP(scale,do_s,do_d) \
314 index_op (sss, ss, do_s, do_d, scale, w); goto next_opcode
317 rot_op (srcdest sd, int rotc, int count)
319 int mask = (sd.bytes == 2) ? 0xffff : 0xff;
320 int msb = (sd.bytes == 2) ? 0x8000 : 0x80;
321 int v = get_src (sd);
324 tprintf("%s %x by %d\n", rotc ? "rotc" : "rot", v, count);
325 tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
328 ct = (v & msb) ? 1 : 0;
333 tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
340 v |= (rotc ? c : ct) * msb;
342 tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
346 set_szc (v, sd.bytes, c);
350 shift_op (srcdest sd, int arith, int count, int setc)
352 int mask = (sd.bytes == 2) ? 0xffff : 0xff;
353 int msb = (sd.bytes == 2) ? 0x8000 : 0x80;
354 int v = get_src (sd);
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);
368 c = (v & msb) ? 1 : 0;
371 if (c != ((v & msb) ? 1 : 0))
373 tprintf (": %s %d %d\n", bits(v, 8*sd.bytes), c, o);
380 v = (v & msb) | (v >> 1);
382 v = (v >> 1) & (msb - 1);
383 tprintf (": %s %d %d\n", bits(v, 8*sd.bytes), c, o);
387 set_sz (v, sd.bytes);
390 set_flags (FLAGBIT_O, o ? FLAGBIT_O : 0);
396 unsigned char op[40];
404 int t0, t1=0, t2, t3=0;
407 step_result = M32C_MAKE_STEPPED ();
409 decode_indirect (0, 0);
414 orig_pc = get_reg (pc);
416 tprintf("trace: decode pc = %06x\n", orig_pc);
418 /** VARY sss 000 001 010 011 100 */
419 /** VARY ddd 000 001 010 011 100 */
421 /** 0000 1001 indirect dest */
423 decode_indirect (0, 1);
426 /** 0100 0001 indirect src */
428 decode_indirect (1, 0);
431 /** 0100 1001 indirect src and dest */
433 decode_indirect (1, 1);
436 /** 1010 ddd w dd01 1111 ABS.size dest */
439 dc = decode_dest23 (ddd, dd, w+1);
440 v = sign_ext (get_src (dc), w?16:8);
442 tprintf("abs(%d) = %d\n", v, a);
446 /** 0000 0001 1000 ddd w dd10 1110 ADC.size #IMM,dest */
449 dc = decode_dest23 (ddd, dd, w+1);
451 MATH_OP (dc, imm, carry, +);
453 /** 0000 0001 1sss ddd w dd ss 0100 ADC.size src,dest */
456 sc = decode_src23 (sss, ss, w+1);
457 dc = decode_dest23 (ddd, dd, w+1);
459 MATH_OP (dc, b, carry, +);
461 /** 1011 ddd w dd01 1110 ADCF.size dest */
464 dc = decode_dest23 (ddd, dd, w+1);
465 MATH_OP (dc, 0, carry, +);
467 /** 1000 ddd w dd10 1110 ADD.size:G #IMM,dest */
470 dc = decode_dest23(ddd, dd, w+1);
472 MATH_OP (dc, imm, 0, +);
474 /** 1000 ddd0 dd11 0001 ADD.L:G #IMM,dest */
477 dc = decode_dest23(ddd, dd, 4);
479 MATH_OP (dc, imm, 0, +);
481 /** 111L ddd w dd11 immm ADD.size:Q #IMM,dest */
484 dc = decode_dest23(ddd, dd, L ? 4 : (w+1));
485 imm = sign_ext (immm, 4);
486 MATH_OP (dc, imm, 0, +);
488 /** 00dd 011w ADD.size:S #IMM,dest */
491 dc = decode_dest2(dd, w+1);
493 MATH_OP (dc, imm, 0, +);
495 /** 10i0 110d ADD.L:S #IMM,A0/A1 */
498 dc = reg_sd (d ? a1 : a0);
500 MATH_OP (dc, imm, 0, +);
502 /** 1sss ddd w dd ss 1000 ADD.size:G src,dest */
505 sc = decode_src23(sss, ss, w+1);
506 dc = decode_dest23(ddd, dd, w+1);
508 MATH_OP (dc, b, 0, +);
510 /** 1sss ddd1 dd ss 0010 ADD.L:G src,dest */
513 sc = decode_src23(sss, ss, 4);
514 dc = decode_dest23(ddd, dd, 4);
516 MATH_OP (dc, b, 0, +);
518 /** 1011 0110 0001 0011 ADD.L:G #IMM16,SP */
522 b = sign_ext (IMM(2), 16);
523 MATH_OP (dc, b, 0, +);
525 /** 01ii 001i ADD.L:Q #IMM3,SP */
530 MATH_OP (dc, b, 0, +);
532 /** 1011 0110 0000 0011 ADD.L:S #IMM8,SP */
536 b = sign_ext (IMM(1), 8);
537 MATH_OP (dc, b, 0, +);
539 /** 1000 ddd0 dd01 0001 ADDX #IMM,dest */
542 dc = decode_dest23(ddd, dd, 4);
543 imm = sign_ext (IMM(1), 8);
544 MATH_OP (dc, imm, 0, +);
546 /** 1sss ddd0 dd ss 0010 ADDX src,dest */
549 sc = decode_src23(sss, ss, 1);
550 dc = decode_dest23(ddd, dd, 4);
551 b = sign_ext (get_src (sc), 8);
552 MATH_OP (dc, b, 0, +);
554 /** 1111 ddd w dd01 immm ADJNZ.size #IMM,dest,label */
557 dc = decode_dest23 (ddd, dd, w+1);
559 imm = sign_ext(immm, 4);
560 tprintf("%d + %d = %d\n", v, imm, v+imm);
563 a = sign_ext (IMM(1), 8);
564 if ((v & (w ? 0xffff : 0xff)) != 0)
566 tprintf("jmp: %x + 2 + %d = ", get_reg (pc), a);
567 put_reg (pc, orig_pc + 2 + a);
568 tprintf("%x\n", get_reg (pc));
571 /** 1000 ddd w dd11 1111 AND.size:G #IMM,dest */
574 dc = decode_dest23(ddd, dd, w+1);
576 LOGIC_OP (dc, imm, &);
578 /** 01dd 110w AND.size:S #IMM,dest */
581 dc = decode_dest2(dd, w+1);
583 LOGIC_OP (dc, imm, &);
585 /** 1sss ddd w dd ss 1101 AND.size:G src,dest */
588 sc = decode_src23(sss, ss, w+1);
589 dc = decode_dest23(ddd, dd, w+1);
593 /** 0000 0001 1101 sss0 ss00 1bit BAND src */
595 sc = decode_src23 (sss, ss, 1);
596 BIT_OPC (sc, bit, b & carry);
598 /** 1101 ddd0 dd11 0bit BCLR dest */
600 dc = decode_dest23 (ddd, dd, 1);
603 /** 1100 ddd w dd10 1110 BITINDEX.size src */
606 dc = decode_dest23 (ddd, dd, w+1);
607 bitindex = get_src (dc);
608 tprintf ("bitindex set to %d\n", bitindex);
611 /** 1101 ddd0 dd01 0bit BMcnd dest */
614 dc = decode_dest23 (ddd, dd, 1);
615 if (condition_true (IMM (1)))
616 put_bit2 (dc, bit, 1);
618 put_bit2 (dc, bit, 0);
620 /** 1101 1001 0c10 1cnd BMcnd C */
623 if (condition_true (c * 8 + cnd))
628 /** 0000 0001 1101 sss0 ss01 1bit BNAND src */
631 sc = decode_src23 (sss, ss, 1);
632 BIT_OPC (sc, bit, !b & carry);
634 /** 0000 0001 1101 sss0 ss11 0bit BNOR src */
637 sc = decode_src23 (sss, ss, 1);
638 BIT_OPC (sc, bit, !b | carry);
640 /** 1101 ddd0 dd01 1bit BNOT dest */
643 dc = decode_dest23 (ddd, dd, 1);
644 BIT_OP (dc, bit, !b);
646 /** 0000 0001 1101 sss0 ss00 0bit BNTST src */
649 sc = decode_dest23 (sss, ss, 1);
650 b = get_bit2 (sc, bit);
653 /** 0000 0001 1101 sss0 ss11 1bit BNXOR src */
656 sc = decode_src23 (sss, ss, 1);
657 BIT_OPC (sc, bit, !b ^ carry);
659 /** 0000 0001 1101 sss0 ss10 0bit BOR src */
662 sc = decode_src23 (sss, ss, 1);
663 BIT_OPC (sc, bit, b | carry);
667 /* We report the break to our caller with the PC still pointing at the
668 breakpoint instruction. */
669 put_reg (pc, orig_pc);
672 return M32C_MAKE_HIT_BREAK ();
677 printf("[break2]\n");
678 return M32C_MAKE_HIT_BREAK ();
680 /** 1101 ddd0 dd11 1bit BSET dest */
682 dc = decode_dest23 (ddd, dd, 1);
685 /** 1101 sss0 ss00 0bit BTST:G src */
688 sc = decode_src23 (sss, ss, 1);
689 b = get_bit2 (sc, bit);
692 /** 00bb 101b BTST:S src */
694 sc = decode_src23 (3, 3, 1); /* bit,base:19 */
695 b = get_bit2 (sc, bb*2 + b);
698 /** 1101 ddd0 dd10 0bit BTSTC dest */
701 sc = decode_dest23 (ddd, dd, 1);
702 b = get_bit2 (sc, bit);
704 put_bit2 (sc, bit, 0);
706 /** 1101 ddd0 dd10 1bit BTSTS dest */
709 sc = decode_dest23 (ddd, dd, 1);
710 b = get_bit2 (sc, bit);
712 put_bit2 (sc, bit, 1);
714 /** 0000 0001 1101 sss0 ss10 1bit BXOR src */
717 sc = decode_src23 (sss, ss, 1);
718 BIT_OPC (sc, bit, b ^ carry);
720 /** 0000 0001 1000 ddd w dd11 1110 CLIP.size #IMM1,#IMM2,dest */
723 dc = decode_dest23 (ddd, dd, w+1);
724 a = sign_ext (IMM(w+1), w*8+8);
725 b = sign_ext (IMM(w+1), w*8+8);
726 v = sign_ext (get_src (dc), w*8+8);
727 tprintf("clip %d <= %d <= %d : ", a, v, b);
735 /** 1001 ddd w dd10 1110 CMP.size:G #IMM,dest */
738 dc = decode_dest23 (ddd, dd, w+1);
743 /** 1010 ddd0 dd11 0001 CMP.L:G #IMM32,dest */
746 dc = decode_dest23 (ddd, dd, 4);
751 /** 1110 ddd w dd01 immm CMP.size:Q #IMM,dest */
754 dc = decode_dest23 (ddd, dd, w+1);
756 immm = sign_ext (immm, 4);
759 /** 01dd 011w CMP.size:S #IMM,dest */
762 dc = decode_dest2 (dd, w+1);
764 imm = sign_ext (IMM(w+1),w*8+8);
767 /** 1sss ddd w dd ss 0110 CMP.size:G src,dest */
770 sc = decode_src23 (sss, ss, w+1);
771 dc = decode_dest23 (ddd, dd, w+1);
776 /** 1sss ddd1 dd ss 0001 CMP.L:G src,dest */
779 sc = decode_src23 (sss, ss, 4);
780 dc = decode_dest23 (ddd, dd, 4);
785 /** 01dd 000w CMP.size:S src,R0/R0L */
788 dc = decode_dest2 (dd, w+1);
789 a = get_reg (w ? r0 : r0l);
793 /** 1010 ddd0 dd01 0001 CMPX #IMM,dest */
796 dc = decode_dest23 (ddd, dd, 4);
798 imm = sign_ext (IMM(1), 8);
801 /** 0000 0001 1000 ddd w dd00 1110 DADC.size #IMM,dest */
805 /** 0000 0001 1sss ddd w dd ss 1000 DADC.size src,dest */
809 /** 0000 0001 1000 ddd w dd01 1110 DADD.size #IMM,dest */
813 /** 0000 0001 1sss ddd w dd ss 0000 DADD.size src,dest */
817 /** 1011 ddd w dd00 1110 DEC.size dest */
820 dc = decode_dest23 (ddd, dd, w+1);
823 tprintf ("%x -- = %x\n", a, v);
827 /** 1011 0000 010w 0011 DIV.size #IMM */
830 div_op (-1, 0, 0, 0, w+1);
832 /** 1000 sss w ss01 1110 DIV.size src */
835 div_op (sss, ss, 0, 0, w+1);
837 /** 0000 0001 1010 sss1 ss01 1111 DIV.L src */
841 div_op (sss, ss, 0, 0, 4);
843 /** 1011 0000 000w 0011 DIVU.size #IMM */
846 div_op (-1, 0, 1, 0, w+1);
848 /** 1000 sss w ss00 1110 DIVU.size src */
851 div_op (sss, ss, 1, 0, w+1);
853 /** 0000 0001 1010 sss1 ss00 1111 DIVU.L src */
857 div_op (sss, ss, 1, 0, 4);
859 /** 1011 0010 010w 0011 DIVX.size #IMM */
862 div_op (-1, 0, 0, 1, w+1);
864 /** 1001 sss w ss01 1110 DIVX.size src */
867 div_op (sss, ss, 0, 1, w+1);
869 /** 0000 0001 1010 sss1 ss10 1111 DIVX.L src */
873 div_op (sss, ss, 0, 1, 4);
875 /** 0000 0001 1001 ddd w dd00 1110 DSBB.size #IMM,dest */
879 /** 0000 0001 1sss ddd w dd ss 1010 DSBB.size src,dest */
883 /** 0000 0001 1001 ddd w dd01 1110 DSUB.size #IMM,dest */
887 /** 0000 0001 1sss ddd w dd ss 0010 DSUB.size src,dest */
891 /** 1110 1100 ENTER #IMM */
894 put_reg (sp, get_reg (sp) - 4);
895 mem_put_si (get_reg (sp), get_reg (fb));
896 put_reg (fb, get_reg (sp));
897 put_reg (sp, get_reg (sp) - imm);
899 /** 1111 1100 EXITD */
901 put_reg (sp, get_reg (fb));
902 put_reg (fb, mem_get_si (get_reg (sp)));
903 put_reg (sp, get_reg (sp) + 4);
904 put_reg (pc, mem_get_si (get_reg (sp)));
905 put_reg (sp, get_reg (sp) + 4);
907 /** 1100 ddd w dd01 1110 EXTS.size dest */
910 dc = decode_dest23 (ddd, dd, w+1);
911 v = sign_ext (get_src (dc), (w+1)*8);
916 /** 0000 0001 1sss ddd0 dd ss 0111 EXTS.B src,dest */
919 sc = decode_src23 (sss, ss, 1);
920 dc = decode_dest23 (ddd, dd, 2);
921 v = sign_ext (get_src (sc), 8);
925 /** 0000 0001 1sss ddd0 dd ss 1011 EXTZ src,dest */
928 sc = decode_src23 (sss, ss, 1);
929 dc = decode_dest23 (ddd, dd, 2);
934 /** 1101 0011 1110 1dst FCLR dest */
936 set_flags (1 << dst, 0);
938 /** 1001 1111 FREIT */
942 /** 1101 0001 1110 1dst FSET dest */
944 set_flags (1 << dst, 1 << dst);
946 /** 1010 ddd w dd00 1110 INC.size dest */
949 dc = decode_dest23 (ddd, dd, w+1);
952 tprintf ("%x ++ = %x\n", a, v);
956 /** 1000 sss0 ss0w 0011 INDEXB.size src */
958 /** 1010 sss0 ss0w 0011 INDEXBD.size src */
960 /** 1100 sss0 ss0w 0011 INDEXBS.size src */
962 /** 1001 sss0 ss1w 0011 INDEXL.size src */
964 /** 1011 sss0 ss1w 0011 INDEXLD.size src */
966 /** 1001 sss0 ss0w 0011 INDEXLS.size src */
968 /** 1000 sss0 ss1w 0011 INDEXW.size src */
970 /** 1010 sss0 ss1w 0011 INDEXWD.size src */
972 /** 1100 sss0 ss1w 0011 INDEXWS.size src */
975 /** 1011 1110 vector00 INT #IMM */
978 trigger_based_interrupt (vector);
980 /** 1011 1111 INTO */
984 trigger_fixed_interrupt (0xffffe0);
986 /** 1ccc 101c Jcnd label */
989 v = sign_ext (IMM(1), 8);
990 if (condition_true (ccc*2+c))
991 put_reg (pc, orig_pc + 1 + v);
993 /** 01dd 101d JMP.S label */
996 put_reg (pc, orig_pc + (dd*2+d) + 2);
998 /** 1011 1011 JMP.B label */
1001 imm = sign_ext (IMM(1), 8);
1005 printf("[jmp-to-self detected as exit]\n");
1006 return M32C_MAKE_HIT_BREAK ();
1008 put_reg (pc, orig_pc + 1 + imm);
1010 /** 1100 1110 JMP.W label */
1013 imm = sign_ext (IMM(2), 16);
1014 put_reg (pc, orig_pc + 1 + imm);
1016 /** 1100 1100 JMP.A label */
1022 /** 1100 sss1 ss00 1111 JMPI.W src */
1025 sc = decode_src23 (sss, ss, 2);
1027 a = sign_ext (a, 16);
1028 put_reg (pc, orig_pc + a);
1030 /** 1000 sss0 ss00 0001 JMPI.A src */
1033 sc = decode_src23 (sss, ss, 3);
1037 /** 1101 1100 JMPS #IMM8 */
1041 a = 0xff0000 + mem_get_hi (0xfffe00 - imm * 2);
1044 /** 1100 1111 JSR.W label */
1047 imm = sign_ext (IMM(2), 16);
1048 put_reg (sp, get_reg (sp) - 4);
1049 mem_put_si (get_reg (sp), get_reg (pc));
1050 put_reg (pc, orig_pc + imm + 1);
1052 /** 1100 1101 JSR.A label */
1056 put_reg (sp, get_reg (sp) - 4);
1057 mem_put_si (get_reg (sp), get_reg (pc));
1060 /** 1100 sss1 ss01 1111 JSRI.W src */
1063 sc = decode_src23 (sss, ss, 2);
1065 a = sign_ext (a, 16);
1066 put_reg (sp, get_reg (sp) - 4);
1067 mem_put_si (get_reg (sp), get_reg (pc));
1068 put_reg (pc, orig_pc + a);
1070 /** 1001 sss0 ss00 0001 JSRI.A src */
1073 sc = decode_src23 (sss, ss, 3);
1075 put_reg (sp, get_reg (sp) - 4);
1076 mem_put_si (get_reg (sp), get_reg (pc));
1079 /** 1101 1101 JSRS #IMM8 */
1083 a = 0xff0000 + mem_get_hi (0xfffe00 - imm * 2);
1084 put_reg (sp, get_reg (sp) - 4);
1085 mem_put_si (get_reg (sp), get_reg (pc));
1088 /** 1101 0101 1010 1dst LDC #IMM16,dest */
1091 dc = decode_cr_b (dst, CR_B_DCT0);
1094 /** 1101 0101 0010 1dst LDC #IMM24,dest */
1097 dc = decode_cr_b (dst, CR_B_INTB);
1100 /** 1101 0101 0110 1dst LDC #IMM24,dest */
1103 dc = decode_cr_b (dst, CR_B_DMA0);
1106 /** 0000 0001 1101 sss1 ss00 1dst LDC src,dest */
1109 sc = decode_src23 (sss, ss, 2);
1110 dc = decode_cr_b (dst, CR_B_DCT0);
1114 /** 1101 sss1 ss00 0dst LDC src,dest */
1117 sc = decode_src23 (sss, ss, 3);
1118 dc = decode_cr_b (dst, CR_B_INTB);
1122 /** 0000 0001 1101 sss1 ss00 0dst LDC src,dest */
1125 sc = decode_src23 (sss, ss, 3);
1126 dc = decode_cr_b (dst, CR_B_DMA0);
1130 /** 1011 0110 1100 0011 LDCTX */
1134 /** 1101 0101 1110 1imm LDIPL #IMM */
1136 set_flags (0x7000, imm*0x1000);
1138 /** 0000 0001 1000 ddd w dd11 1111 MAX.size #IMM,dest */
1142 dc = decode_dest23 (ddd, dd, w);
1143 imm = sign_ext (IMM(w), w*8);
1144 a = sign_ext (get_src (dc), w*8);
1145 tprintf ("max %d %d\n", imm, a);
1149 /** 0000 0001 1sss ddd w dd ss 1101 MAX.size src,dest */
1153 sc = decode_src23 (sss, ss, w);
1154 dc = decode_dest23 (ddd, dd, w);
1155 b = sign_ext (get_src (sc), w*8);
1156 a = sign_ext (get_src (dc), w*8);
1157 tprintf ("max %d %d\n", b, a);
1161 /** 0000 0001 1000 ddd w dd10 1111 MIN.size #IMM,dest */
1165 dc = decode_dest23 (ddd, dd, w);
1166 imm = sign_ext (IMM(w), w*8);
1167 a = sign_ext (get_src (dc), w*8);
1168 tprintf ("min %d %d\n", imm, a);
1172 /** 0000 0001 1sss ddd w dd ss 1100 MIN.size src,dest */
1176 sc = decode_src23 (sss, ss, w);
1177 dc = decode_dest23 (ddd, dd, w);
1178 b = sign_ext (get_src (sc), w*8);
1179 a = sign_ext (get_src (dc), w*8);
1180 tprintf ("min %d %d\n", b, a);
1184 /** 1001 ddd w dd10 1111 MOV.size:G #IMM,dest */
1186 dc = decode_dest23 (ddd, dd, w+1);
1189 tprintf("%x = %x\n", v, v);
1193 /** 1011 ddd0 dd11 0001 MOV.L:G #IMM,dest */
1195 dc = decode_dest23 (ddd, dd, 4);
1198 tprintf("%x = %x\n", v, v);
1202 /** 1111 ddd w dd10 immm MOV.size:Q #IMM4,dest */
1204 dc = decode_dest23 (ddd, dd, w+1);
1205 imm = sign_ext (immm, 4);
1207 tprintf("%x = %d\n", v, v);
1211 /** 00dd 010w MOV.size:S #IMM,dest */
1214 dc = decode_dest2 (dd, w+1);
1219 /** 10w1 110d MOV.size:S #IMM,a0/a1 */
1221 imm = IMM(w ? 3 : 2);
1222 put_reg (d ? a1 : a0, imm);
1223 set_sz (imm & addr_mask, w+1);
1225 /** 00dd 001w MOV.size:Z #0,dest */
1228 dc = decode_dest2 (dd, w+1);
1232 /** 1sss ddd w dd ss 1011 MOV.size:G src,dest */
1235 sc = decode_src23 (sss, ss, w+1);
1236 dc = decode_dest23 (ddd, dd, w+1);
1241 /** 1sss ddd1 dd ss 0011 MOV.L:G src,dest */
1244 sc = decode_src23 (sss, ss, 4);
1245 dc = decode_dest23 (ddd, dd, 4);
1250 /** VARY SS 01 10 11 */
1251 /** 00SS 100w MOV.size:S src,R0L/R0 */
1254 sc = decode_dest2 (SS, w+1);
1256 put_reg (w ? r0 : r0l, v);
1259 /** 01ss 111w MOV.size:S src,R1L/R1 */
1262 sc = decode_dest2 (ss, w+1);
1264 put_reg (w ? r1 : r1l, v);
1267 /** VARY DD 01 10 11 */
1268 /** 00DD 000w MOV.size:S R0L/R0,dest */
1271 dc = decode_dest2 (DD, w+1);
1272 v = get_reg (w ? r0 : r0l);
1276 /** 01ss 100d MOV.L:S src,A0/A1 */
1279 sc = decode_dest2 (ss, 4);
1281 put_reg (d ? a1 : a0, v);
1284 /** 1011 ddd w dd00 1111 MOV.size:G dsp:8[SP], dest */
1288 dc = decode_dest23 (ddd, dd, w+1);
1289 a = get_reg (sp) + sign_ext (imm, 8);
1298 /** 1010 sss w ss00 1111 MOV.size:G src,dsp:8[SP] */
1301 sc = decode_dest23 (sss, ss, w+1);
1303 a = get_reg (sp) + sign_ext (imm, 8);
1312 /** 1101 sss1 ss01 1dst MOVA src,dest */
1314 static reg_id map[8] = { r2r0, r3r1, a0, a1 };
1316 sc = decode_src23 (sss, ss, 1);
1317 if (!sc.mem || !map[dst])
1319 put_reg (map[dst], sc.u.addr);
1321 /** 0000 0001 1011 ddd0 dd hl 1110 MOVdir R0L,dest */
1324 dc = decode_dest23 (ddd, dd, 1);
1329 case 0: a = (a & 0xf0) | (b & 0x0f); break;
1330 case 1: a = (a & 0xf0) | ((b>>4) & 0x0f); break;
1331 case 2: a = (a & 0x0f) | ((b & 0x0f)<<4); break;
1332 case 3: a = (a & 0x0f) | (b & 0xf0); break;
1336 /** 0000 0001 1010 sss0 ss hl 1110 MOVdir src,R0L */
1339 sc = decode_dest23 (sss, ss, 1);
1344 case 0: a = (a & 0xf0) | (b & 0x0f); break;
1345 case 1: a = (a & 0xf0) | ((b>>4) & 0x0f); break;
1346 case 2: a = (a & 0x0f) | ((b & 0x0f)<<4); break;
1347 case 3: a = (a & 0x0f) | (b & 0xf0); break;
1351 /** 1011 ddd0 dd01 0001 MOVX #IMM,dest */
1354 dc = decode_dest23 (ddd, dd, 4);
1355 imm = sign_ext (IMM(1), 8);
1359 /** 1000 ddd w dd01 1111 MUL.size #IMM,dest */
1363 dc = decode_dest23 (ddd, dd, w);
1364 v = sign_ext (get_src (dc), w*8);
1365 imm = sign_ext (IMM(w), w*8);
1366 tprintf("%d * %d = %d\n", v, imm, v*imm);
1371 /** 1sss ddd w dd ss 1100 MUL.size src,dest */
1375 sc = decode_src23 (sss, ss, w);
1376 dc = decode_dest23 (ddd, dd, w);
1377 a = sign_ext (get_src (sc), w*8);
1378 b = sign_ext (get_src (dc), w*8);
1379 tprintf("%d * %d = %d\n", a, b, a*b);
1384 /** 0000 0001 1000 sss1 ss01 1111 MUL.L src,R2R0 */
1388 sc = decode_src23 (sss, ss, 4);
1389 a = sign_ext (get_src (sc), 32);
1390 b = sign_ext (get_reg (r2r0), 32);
1391 ll = (long long)a * (long long)b;
1392 tprintf("%d * %d = %lld (%llx)\n", a, b, ll, ll);
1393 if (ll < b2minsigned[4] || ll > b2maxsigned[4])
1394 set_flags (FLAGBIT_O, FLAGBIT_O);
1396 set_flags (FLAGBIT_O, 0);
1397 put_reg (r2r0, (int)ll);
1399 /** 1100 sss1 ss11 1110 MULEX src */
1402 sc = decode_dest23 (sss, ss, 2);
1403 a = sign_ext (get_src (sc), 16);
1404 b = sign_ext (get_reg (r2r0), 32);
1405 ll = (long long)a * (long long)b;
1406 tprintf("%d * %d = %lld (%llx)\n", a, b, ll, ll);
1407 put_reg (r2r0, (int)ll);
1408 put_reg (r1, (int)(ll >> 32));
1410 /** 1000 ddd w dd00 1111 MULU.size #IMM,dest */
1414 dc = decode_dest23 (ddd, dd, w);
1417 tprintf("%d * %d = %d\n", v, imm, v*imm);
1422 /** 1sss ddd w dd ss 0100 MULU.size src,dest */
1426 sc = decode_src23 (sss, ss, w);
1427 dc = decode_dest23 (ddd, dd, w);
1430 tprintf("%d * %d = %d\n", a, b, a*b);
1435 /** 0000 0001 1000 sss1 ss00 1111 MULU.L src,R2R0 */
1439 sc = decode_src23 (sss, ss, 4);
1442 ll = (long long)a * (long long)b;
1443 tprintf("%d * %d = %lld (%llx)\n", a, b, ll, ll);
1444 if (ll < b2minsigned[4] || ll > b2maxsigned[4])
1445 set_flags (FLAGBIT_O, FLAGBIT_O);
1447 set_flags (FLAGBIT_O, 0);
1448 put_reg (r2r0, (int)ll);
1450 /** 1010 ddd w dd10 1111 NEG.size dest */
1453 dc = decode_dest23 (ddd, dd, w+1);
1454 a = sign_ext (get_src (dc), (w+1)*8);
1456 tprintf("%d * -1 = %d\n", a, v);
1457 set_oszc(v, w+1, v==0);
1460 /** 1101 1110 NOP */
1464 /** 1010 ddd w dd01 1110 NOT.size dest */
1467 dc = decode_dest23 (ddd, dd, w+1);
1470 tprintf("~ %x = %x\n", a, v);
1474 /** 1000 ddd w dd10 1111 OR.size:G #IMM,dest */
1477 dc = decode_dest23(ddd, dd, w+1);
1479 LOGIC_OP (dc, imm, |);
1481 /** 01dd 010w OR.size:S #IMM,dest */
1484 dc = decode_dest2(dd, w+1);
1486 LOGIC_OP (dc, imm, |);
1488 /** 1sss ddd w dd ss 0101 OR.size:G src,dest */
1491 sc = decode_src23(sss, ss, w+1);
1492 dc = decode_dest23(ddd, dd, w+1);
1494 LOGIC_OP (dc, b, |);
1496 /** 1011 ddd w dd10 1111 POP.size dest */
1499 dc = decode_dest23 (ddd, dd, w+1);
1501 a = mem_get_hi (get_reg (sp));
1503 a = mem_get_qi (get_reg (sp));
1504 put_reg (sp, get_reg (sp) + 2);
1505 tprintf("pop%s: %x\n", w ? "hi" : "qi", a);
1508 /** 1101 0011 1010 1dst POPC dest */
1511 dc = decode_cr_b (dst, CR_B_DCT0);
1512 a = mem_get_hi (get_reg (sp));
1513 put_reg (sp, get_reg (sp) + 2);
1514 tprintf("pophi: %x\n", a);
1517 /** 1101 0011 0010 1dst POPC dest */
1520 dc = decode_cr_b (dst, CR_B_INTB);
1521 a = mem_get_si (get_reg (sp));
1522 put_reg (sp, get_reg (sp) + 4);
1523 tprintf("popsi: %x\n", a);
1526 /** 1000 1110 POPM dest */
1528 static int map[] = { r0, r1, r2, r3, a0, a1, sb, fb };
1531 tprintf("popm: %x\n", imm);
1535 v = mem_get_hi (get_reg (sp));
1536 put_reg (map[a], v);
1537 put_reg (sp, get_reg (sp) + 2);
1542 v = mem_get_si (get_reg (sp));
1543 put_reg (map[a], v);
1544 put_reg (sp, get_reg (sp) + 4);
1547 /** 1010 111w PUSH.size #IMM */
1551 tprintf("push%s: %x\n", w ? "hi" : "qi", imm);
1552 int a = get_reg (sp) - 2;
1554 mem_put_hi (a, imm);
1556 mem_put_qi (a, imm);
1559 /** 1100 sss w ss00 1110 PUSH.size src */
1562 sc = decode_dest23 (sss, ss, w+1);
1564 put_reg (sp, get_reg (sp) - 2);
1566 mem_put_hi (get_reg (sp), a);
1568 mem_put_qi (get_reg (sp), a);
1569 tprintf("push%s: %x\n", w ? "hi" : "qi", a);
1571 /** 1011 0110 0101 0011 PUSH.L #IMM32 */
1574 put_reg (sp, get_reg (sp) - 4);
1575 mem_put_si (get_reg (sp), imm);
1577 /** 1010 sss0 ss00 0001 PUSH.L src */
1580 sc = decode_dest23 (sss, ss, 4);
1582 put_reg (sp, get_reg (sp) - 4);
1583 mem_put_si (get_reg (sp), a);
1585 /** 1011 0sa0 ss00 0001 PUSHA src */
1588 sc = decode_dest23 (sa, ss, 1);
1589 put_reg (sp, get_reg (sp) - 4);
1590 mem_put_hi (get_reg (sp), sc.u.addr);
1591 tprintf("pushsi: %x\n", sc.u.addr);
1593 /** 1101 0001 1010 1src PUSHC src */
1596 sc = decode_cr_b (src, CR_B_DCT0);
1598 put_reg (sp, get_reg (sp) - 2);
1599 mem_put_hi (get_reg (sp), a);
1600 tprintf("pushhi: %x\n", a);
1602 /** 1101 0001 0010 1src PUSHC src */
1605 sc = decode_cr_b (src, CR_B_INTB);
1607 put_reg (sp, get_reg (sp) - 4);
1608 mem_put_si (get_reg (sp), a);
1609 tprintf("pushsi: %x\n", a);
1611 /** 1000 1111 PUSHM src */
1613 static int map[] = { fb, sb, a1, a0, r3, r2, r1, r0 };
1615 tprintf("pushm: %x\n", imm);
1619 put_reg (sp, get_reg (sp) - 4);
1620 v = get_reg (map[a]);
1621 mem_put_si (get_reg (sp), v);
1626 put_reg (sp, get_reg (sp) - 2);
1627 v = get_reg (map[a]);
1628 mem_put_hi (get_reg (sp), v);
1631 /** 1001 1110 REIT */
1634 put_reg (pc, mem_get_si (a));
1636 put_reg (flags, mem_get_hi (a));
1640 /** 1011 1000 010w 0011 RMPA.size */
1642 int count = get_reg (r3);
1643 int list1 = get_reg (a0);
1644 int list2 = get_reg (a1);
1645 long long sum = get_reg_ll (r3r1r2r0) & 0xffffff;
1651 a = sign_ext (mem_get_hi (list1), 16);
1652 b = sign_ext (mem_get_hi (list2), 16);
1656 a = sign_ext (mem_get_qi (list1), 8);
1657 b = sign_ext (mem_get_qi (list2), 8);
1659 tprintf("%lld + %d * %d = ", sum, a, b);
1661 tprintf("%lld\n", sum);
1666 put_reg (r3, count);
1667 put_reg (a0, list1);
1668 put_reg (a1, list2);
1669 put_reg (r2r0, (int)(sum & 0xffffffffU));
1670 put_reg (r1, (int)(sum >> 32));
1672 /** 1011 ddd w dd10 1110 ROLC.size dest */
1675 dc = decode_dest23 (ddd, dd, w+1);
1678 /** 1010 ddd w dd10 1110 RORC.size dest */
1681 dc = decode_dest23 (ddd, dd, w+1);
1684 /** 1110 ddd w dd10 immm ROT.size #IMM, dest */
1687 dc = decode_dest23 (ddd, dd, w+1);
1688 rot_op (dc, IMM4(), -1);
1690 /** 1010 ddd w dd11 1111 ROT.size R1H,dest */
1693 dc = decode_dest23 (ddd, dd, w+1);
1694 a = sign_ext (get_reg (r1h), 8);
1697 /** 1101 1111 RTS */
1699 put_reg (pc, mem_get_si (get_reg (sp)));
1700 put_reg (sp, get_reg (sp) + 4);
1702 /** 0000 0001 1001 ddd w dd10 1110 SBB.size #IMM, dest */
1705 dc = decode_dest23 (ddd, dd, w+1);
1707 MATH_OP (dc, imm, !carry, -);
1709 /** 0000 0001 1sss ddd w dd ss 0110 SBB.size src,dest */
1712 sc = decode_src23 (sss, ss, w+1);
1713 dc = decode_dest23 (ddd, dd, w+1);
1714 MATH_OP (dc, get_src (sc), !carry, -);
1716 /** 1101 ddd1 dd11 cond SCcond dest */
1719 dc = decode_dest23 (ddd, dd, 2);
1720 if (condition_true (cond))
1725 /** 1011 1000 110w 0011 SCMPU.size */
1732 t0 = mem_get_qi (ta0);
1733 t2 = mem_get_qi (ta1);
1736 t1 = mem_get_qi (ta0 + 1);
1737 t3 = mem_get_qi (ta1 + 1);
1740 if (dif == 0 && t0 != 0 && w)
1742 set_oszc (dif, 1, dif > 0);
1747 if (t0 == 0 || t0 != t2)
1749 if (w && (t1 == 0 || t1 != t3))
1753 /** 1111 ddd w dd00 immm SHA.size #IMM,dest */
1756 dc = decode_dest23 (ddd, dd, w+1);
1757 shift_op (dc, 1, IMM4(), 1);
1759 /** 1010 ddd0 dd10 0001 SHA.L #IMM,dest */
1762 dc = decode_dest23 (ddd, dd, 4);
1763 imm = sign_ext (IMM(1), 8);
1764 shift_op (dc, 1, imm, 1);
1766 /** 1011 ddd w dd11 1110 SHA.size R1H,dest */
1769 dc = decode_dest23 (ddd, dd, w+1);
1770 a = sign_ext (get_reg (r1h), 8);
1771 shift_op (dc, 1, a, 1);
1773 /** 1100 ddd0 dd01 0001 SHA.L R1H,dest */
1776 dc = decode_dest23 (ddd, dd, 4);
1777 a = sign_ext (get_reg (r1h), 8);
1778 shift_op (dc, 1, a, 1);
1780 /** 1100 ddd0 dd10 0001 SHANC.L #IMM,dest */
1784 dc = decode_dest23 (ddd, dd, 4);
1785 imm = sign_ext (IMM(1), 8);
1786 shift_op (dc, 1, imm, 0);
1788 /** 1110 ddd w dd00 immm SHL.size #IMM, dest */
1791 dc = decode_dest23 (ddd, dd, w+1);
1792 shift_op (dc, 0, IMM4(), 1);
1794 /** 1001 ddd0 dd10 0001 SHL.L #IMM, dest */
1797 dc = decode_dest23 (ddd, dd, 4);
1798 imm = sign_ext (IMM(1), 8);
1799 shift_op (dc, 0, imm, 1);
1801 /** 1010 ddd w dd11 1110 SHL.size R1H,dest */
1804 dc = decode_dest23 (ddd, dd, w+1);
1805 a = sign_ext (get_reg (r1h), 8);
1806 shift_op (dc, 0, a, 1);
1808 /** 1100 ddd0 dd00 0001 SHL.L R1H,dest */
1811 dc = decode_dest23 (ddd, dd, 4);
1812 a = sign_ext (get_reg (r1h), 8);
1813 shift_op (dc, 0, a, 1);
1815 /** 1000 ddd0 dd10 0001 SHLNC.L #IMM,dest */
1819 dc = decode_dest23 (ddd, dd, 4);
1820 imm = sign_ext (IMM(1), 8);
1821 shift_op (dc, 0, imm, 0);
1823 /** 1011 0010 100w 0011 SIN.size */
1831 mem_put_hi(a, mem_get_hi (v));
1833 mem_put_qi(a, mem_get_qi (v));
1841 /** 1011 0110 100w 0011 SMOVB.size */
1849 mem_put_hi(a, mem_get_hi (v));
1851 mem_put_qi(a, mem_get_qi (v));
1860 /** 1011 0000 100w 0011 SMOVF.size */
1868 mem_put_hi(a, mem_get_hi (v));
1870 mem_put_qi(a, mem_get_qi (v));
1879 /** 1011 1000 100w 0011 SMOVU.size */
1886 mem_put_hi(a, (t0 = mem_get_hi (v)));
1888 mem_put_qi(a, (t0 = mem_get_qi (v)));
1892 || (w && ((t0 & 0xff) == 0 || (t0 & 0xff00) == 0)))
1898 /** 1011 0100 100w 0011 SOUT.size */
1906 mem_put_hi(a, mem_get_hi (v));
1908 mem_put_qi(a, mem_get_qi (v));
1916 /** 1011 1000 000w 0011 SSTR.size */
1925 mem_put_qi(a, r0 & 0xff);
1932 /** 0000 0001 1101 ddd1 dd01 0src STC src,dest */
1935 dc = decode_dest23 (ddd, dd, 4);
1936 sc = decode_cr_b (src, CR_B_DMA0);
1940 /** 0000 0001 1101 ddd1 dd01 1src STC src,dest */
1943 dc = decode_dest23 (ddd, dd, 2);
1944 sc = decode_cr_b (src, CR_B_DCT0);
1948 /** 1101 ddd1 dd01 0src STC src,dest */
1951 dc = decode_dest23 (ddd, dd, 4);
1952 sc = decode_cr_b (src, CR_B_INTB);
1956 /** 1011 0110 1101 0011 STCX abs16,abs24 */
1960 /** 1001 ddd w dd01 1111 STNZ.size #IMM,dest */
1963 dc = decode_dest23 (ddd, dd, w+1);
1968 /** 1001 ddd w dd00 1111 STZ.size #IMM,dest */
1971 dc = decode_dest23 (ddd, dd, w+1);
1976 /** 1001 ddd w dd11 1111 STZX.size #IMM1,#IMM2,dest */
1979 dc = decode_dest23 (ddd, dd, w+1);
1987 /** 1000 ddd w dd11 1110 SUB.size:G #IMM,dest */
1990 dc = decode_dest23(ddd, dd, w+1);
1992 MATH_OP (dc, imm, 0, -);
1994 /** 1001 ddd0 dd11 0001 SUB.L:G #IMM,dest */
1997 dc = decode_dest23(ddd, dd, 4);
1999 MATH_OP (dc, imm, 0, -);
2001 /** 00dd 111w SUB.size:S #IMM,dest */
2004 dc = decode_dest2(dd, w+1);
2006 MATH_OP (dc, imm, 0, -);
2008 /** 1sss ddd w dd ss 1010 SUB.size:G src,dest */
2011 sc = decode_src23(sss, ss, w+1);
2012 dc = decode_dest23(ddd, dd, w+1);
2014 MATH_OP (dc, b, 0, -);
2016 /** 1sss ddd1 dd ss 0000 SUB.L:G src,dest */
2019 sc = decode_src23(sss, ss, 4);
2020 dc = decode_dest23(ddd, dd, 4);
2022 MATH_OP (dc, b, 0, -);
2024 /** 1001 ddd0 dd01 0001 SUBX #IMM,dest */
2027 dc = decode_dest23(ddd, dd, 4);
2028 imm = sign_ext (IMM(1), 8);
2029 MATH_OP (dc, imm, 0, -);
2031 /** 1sss ddd0 dd ss 0000 SUBX src,dest */
2034 sc = decode_src23(sss, ss, 1);
2035 dc = decode_dest23(ddd, dd, 4);
2036 b = sign_ext (get_src (sc), 8);
2037 MATH_OP (dc, b, 0, -);
2039 /** 1001 ddd w dd11 1110 TST.size:G #IMM,dest */
2042 dc = decode_dest23 (ddd, dd, w+1);
2048 /** 00dd 110w TST.size:S #IMM,dest */
2051 dc = decode_dest2 (dd, w+1);
2057 /** 0000 0001 1sss ddd w dd ss 1001 TST.size:G src,dest */
2060 sc = decode_src23 (sss, ss, w+1);
2061 dc = decode_dest23 (ddd, dd, w+1);
2067 /** 1111 1111 UND */
2069 trigger_fixed_interrupt (0xffffdc);
2071 /** 1011 0010 0000 0011 WAIT */
2075 /** 1101 ddd w dd00 1src XCHG.size src,dest */
2077 dc = decode_dest23 (ddd, dd, w+1);
2078 sc = decode_src3 (src, w+1);
2084 /** 1001 ddd w dd00 1110 XOR.size #IMM,dest */
2087 dc = decode_dest23(ddd, dd, w+1);
2089 LOGIC_OP (dc, imm, ^);
2091 /** 1sss ddd w dd ss 1001 XOR.size src,dest */
2094 sc = decode_src23(sss, ss, w+1);
2095 dc = decode_dest23(ddd, dd, w+1);
2097 LOGIC_OP (dc, b, ^);