1 /* r8c.opc --- semantics for r8c opcodes. -*- mode: c -*-
3 Copyright (C) 2005, 2007, 2008, 2009, 2010, 2011
4 Free Software Foundation, Inc.
5 Contributed by Red Hat, Inc.
7 This file is part of the GNU simulators.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
31 #define AU __attribute__((unused))
33 #define tprintf if (trace) printf
49 #define M16C_ONLY() /* FIXME: add something here */
51 #define GETBYTE() (op[opi++] = getbyte())
53 #define UNSUPPORTED() unsupported("unsupported", orig_pc)
54 #define NOTYET() unsupported("unimplemented", orig_pc)
57 unsupported (char *tag, int orig_pc)
60 printf("%s opcode at %08x\n", tag, orig_pc);
65 printf(" %s", bits(b>>4, 4));
66 printf(" %s", bits(b, 4));
73 printf(" %02x", mem_get_pc ());
85 rv = rv + 256 * getbyte();
87 rv = rv + 65536 * getbyte();
91 #define IMM4() (immm >= 8 ? 7 - immm : immm + 1)
94 dc = decode_srcdest4 (dest, w); \
95 v = sign_ext (get_src (dc), w?16:8);
98 dc = decode_srcdest4 (dest, w); \
102 sc = decode_srcdest4 (srcx, w); \
103 dc = decode_srcdest4 (dest, w); \
104 a = sign_ext (get_src (sc), w?16:8); \
105 b = sign_ext (get_src (dc), w?16:8);
108 sc = decode_srcdest4 (srcx, w); \
109 dc = decode_srcdest4 (dest, w); \
113 #define carry (FLAG_C ? 1 : 0)
116 cmp (int d, int s, int w)
119 int mask = w ? 0xffff : 0xff;
121 b = sign_ext (d, w?16:8) - sign_ext (s, w?16:8);
122 tprintf ("cmp: %x - %x = %08x, %x - %x = %d\n",
124 sign_ext(d,w?16:8), sign_ext(s,w?16:8), b);
128 if (b & (w ? 0x8000 : 0x80))
130 if ((d & mask) >= (s & mask))
132 if (b < (w ? -32768 : -128) || b > (w ? 32767 : 127))
135 set_flags (FLAGBIT_Z | FLAGBIT_S | FLAGBIT_O | FLAGBIT_C, f);
139 div_op (int s, int u, int x, int w)
148 sc = decode_srcdest4 (s, w);
152 v = get_reg (w ? r2r0 : r0);
156 s = sign_ext (s, w ? 16 : 8);
157 v = sign_ext (v, w ? 16 : 8);
162 set_flags (FLAGBIT_O, FLAGBIT_O);
168 a = (unsigned int)v / (unsigned int)s;
169 b = (unsigned int)v % (unsigned int)s;
185 tprintf ("%d / %d = %d rem %d\n", v, s, a, b);
186 if ((!u && (a > (w ? 32767 : 127)
187 || a < (w ? -32768 : -129)))
188 || (u && (a > (w ? 65536 : 255))))
189 set_flags (FLAGBIT_O, FLAGBIT_O);
191 set_flags (FLAGBIT_O, 0);
193 put_reg (w ? r0 : r0l, a);
194 put_reg (w ? r2 : r0h, b);
198 rot_op (srcdest sd, int rotc, int count)
200 int mask = (sd.bytes == 2) ? 0xffff : 0xff;
201 int msb = (sd.bytes == 2) ? 0x8000 : 0x80;
202 int v = get_src (sd);
205 tprintf("%s %x by %d\n", rotc ? "rotc" : "rot", v, count);
206 tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
209 ct = (v & msb) ? 1 : 0;
214 tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
221 v |= (rotc ? c : ct) * msb;
223 tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
227 set_szc (v, sd.bytes, c);
231 shift_op (srcdest sd, int arith, int count)
233 int mask = (sd.bytes == 2) ? 0xffff : 0xff;
234 int msb = (sd.bytes == 2) ? 0x8000 : 0x80;
235 int v = get_src (sd);
242 if (count > 16 || count < -16)
244 fprintf(stderr, "Error: SI shift of %d undefined\n", count);
248 count = (count - 1) % 16 + 1;
250 count = -((-count - 1) % 16 + 1);
253 tprintf("%s %x by %d\n", arith ? "sha" : "shl", v, count);
254 tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
257 c = (v & msb) ? 1 : 0;
260 tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
267 v = (v & msb) | (v >> 1);
269 v = (v >> 1) & (msb - 1);
270 tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
274 set_szc (v, sd.bytes, c);
277 #define MATH_OP(dc,s,c,op,carryrel) \
279 b = s & b2mask[dc.bytes]; \
281 tprintf("0x%x " #op " 0x%x " #op " 0x%x = 0x%x\n", a, b, c, v2); \
282 a = sign_ext (a, dc.bytes * 8); \
283 b = sign_ext (s, dc.bytes * 8); \
285 tprintf("%d " #op " %d " #op " %d = %d\n", a, b, c, v); \
286 set_oszc (v, dc.bytes, v2 carryrel); \
289 #define BIT_OP(field,expr) \
290 dc = decode_bit (field); \
293 tprintf ("b=%d, carry=%d, %s = %d\n", b, carry, #expr, v); \
296 #define BIT_OPC(field,expr) \
297 dc = decode_bit (field); \
300 tprintf ("b=%d, carry=%d, %s = %d\n", b, carry, #expr, v); \
303 /* The "BMcnd dest" opcode uses a different encoding for the */
304 /* condition than other opcodes. */
305 static int bmcnd_cond_map[] = {
306 0, 1, 2, 3, 8, 9, 10, 11, 4, 5, 6, 7, 12, 13, 14, 15
312 unsigned char op[40];
315 int orig_pc = get_reg (pc);
319 step_result = M32C_MAKE_STEPPED ();
321 tprintf("trace: decode pc = %05x\n", orig_pc);
323 /** VARY dst 011 100 101 110 111 */
325 /** 0111 011w 1111 dest ABS.size dest */
329 tprintf("abs(%d) = %d\n", v, a);
333 /** 0111 011w 0110 dest ADC.size #IMM,dest */
335 dc = decode_srcdest4(dest, w);
337 MATH_OP (dc, imm, carry, +, > (w?0xffff:0xff));
339 /** 1011 000w srcx dest ADC.size src,dest */
341 sc = decode_srcdest4(srcx, w);
342 dc = decode_srcdest4(dest, w);
344 MATH_OP (dc, b, carry, +, > (w?0xffff:0xff));
346 /** 0111 011w 1110 dest ADCF.size dest */
348 dc = decode_srcdest4(dest, w);
349 MATH_OP (dc, 0, carry, +, > (w?0xffff:0xff));
351 /** 0111 011w 0100 dest ADD.size:G #imm,dest */
353 dc = decode_srcdest4(dest, w);
355 MATH_OP (dc, imm, 0, +, > (w?0xffff:0xff));
357 /** 1100 100w immm dest ADD.size:Q #IMM,dest */
359 dc = decode_srcdest4(dest, w);
360 imm = sign_ext (immm, 4);
361 MATH_OP (dc, imm, 0, +, > (w?0xffff:0xff));
363 /** 1000 0dst ADD.B:S #IMM8,dst */
366 dc = decode_dest3 (dst, 0);
367 MATH_OP (dc, imm, 0, +, > 0xff);
369 /** 1010 000w srcx dest ADD.size:G src,dest */
371 sc = decode_srcdest4(srcx, w);
372 dc = decode_srcdest4(dest, w);
374 MATH_OP (dc, b, 0, +, > (w?0xffff:0xff));
376 /** 0010 0d sr ADD.B:S src,R0L/R0H */
378 sc = decode_src2 (sr, 0, d);
379 dc = decode_dest1 (d, 0);
381 MATH_OP (dc, b, 0, +, > 0xff);
383 /** 0111 110w 1110 1011 ADD.size:G #IMM,sp */
386 imm = sign_ext (IMM(w), w?16:8);
387 MATH_OP (dc, imm, 0, +, > 0xffff);
389 /** 0111 1101 1011 immm ADD.size:Q #IMM,sp */
392 imm = sign_ext (immm, 4);
393 MATH_OP (dc, imm, 0, +, > 0xffff);
395 /** 1111 100w immm dest ADJNZ.size #IMM,dest,label */
398 imm = sign_ext(immm, 4);
399 tprintf("%x + %d = %x\n", v, imm, v+imm);
402 a = sign_ext (IMM(0), 8);
403 if ((v & (w ? 0xffff : 0xff)) != 0)
405 tprintf("jmp: %x + 2 + %d = ", get_reg (pc), a);
406 put_reg (pc, orig_pc + 2 + a);
407 tprintf("%x\n", get_reg (pc));
410 /** 0111 011w 0010 dest AND.size:G #IMM,dest */
414 tprintf ("%x & %x = %x\n", v, imm, v & imm);
419 /** 1001 0dst AND.B:S #IMM8,dest */
422 dc = decode_dest3 (dst, 0);
424 tprintf("%x & %x = %x\n", v, imm, v & imm);
429 /** 1001 000w srcx dest AND.size:G src.dest */
432 tprintf ("%x & %x = %x\n", a, b, a & b);
437 /** 0001 0d sr AND.B:S src,R0L/R0H */
439 sc = decode_src2 (sr, 0, d);
440 dc = decode_dest1 (d, 0);
444 tprintf("%x & %x = %x\n", a, b, v);
448 /** 0111 1110 0100 srcx BAND src */
450 BIT_OPC (srcx, b & carry);
452 /** 0111 1110 1000 dest BCLR:G dest */
454 dc = decode_bit (dest);
457 /** 0100 0bit BCLR:S bit,base:11[SB] */
459 dc = decode_bit11 (bit);
462 /** 0111 1110 0010 dest BMcnd dest */
464 dc = decode_bit (dest);
465 if (condition_true (bmcnd_cond_map [IMM (0) & 15]))
470 /** 0111 1101 1101 cond BMcnd C */
472 if (condition_true (cond))
477 /** 0111 1110 0101 srcx BNAND src */
479 BIT_OPC (srcx, (!b) & carry);
481 /** 0111 1110 0111 srcx BNOR src */
483 BIT_OPC (srcx, (!b) | carry);
485 /** 0111 1110 1010 dest BNOT:G dest */
489 /** 0101 0bit BNOT:S bit,base:11[SB] */
491 dc = decode_bit11 (bit);
492 put_bit (dc, !get_bit (dc));
494 /** 0111 1110 0011 srcx BNTST src */
496 dc = decode_bit (srcx);
500 /** 0111 1110 1101 srcx BNXOR src */
502 BIT_OPC (srcx, !b ^ carry);
504 /** 0111 1110 0110 srcx BOR src */
506 BIT_OPC (srcx, b | carry);
510 /* We report the break to our caller with the PC still pointing at the
511 breakpoint instruction. */
512 put_reg (pc, orig_pc);
515 return M32C_MAKE_HIT_BREAK ();
517 /** 0111 1110 1001 dest BSET:G dest */
519 dc = decode_bit (dest);
522 /** 0100 1bit BSET:S bit,base:11[SB] */
524 dc = decode_bit11 (bit);
527 /** 0111 1110 1011 srcx BTST:G src */
529 dc = decode_bit (srcx);
533 /** 0101 1bit BTST:S bit,base:11[SB] */
535 dc = decode_bit11 (bit);
539 /** 0111 1110 0000 dest BTSTC dest */
541 dc = decode_bit (dest);
546 /** 0111 1110 0001 dest BTSTS dest */
548 dc = decode_bit (dest);
553 /** 0111 1110 1100 srcx BXOR src */
555 BIT_OPC (srcx, b ^ carry);
557 /** 0111 011w 1000 dest CMP.size:G #IMM,dest */
563 /** 1101 000w immm dest CMP.size:Q #IMM,dest */
566 immm = sign_ext (immm, 4);
569 /** 1110 0dst CMP.B:S #IMM8,dest */
572 dc = decode_dest3 (dst, 0);
576 /** 1100 000w srcx dest CMP.size:G src,dest */
581 /** 0011 1d sr CMP.B:S src,R0L/R0H */
583 sc = decode_src2 (sr, 0, d);
584 dc = decode_dest1 (d, 0);
589 /** 0111 110w 1110 i1c s DADC,DADD,DSBB,DSUB */
591 /* w = width, i = immediate, c = carry, s = subtract */
593 int src = i ? IMM(w) : get_reg (w ? r1 : r0h);
594 int dest = get_reg (w ? r0 : r0l);
597 src = bcd2int(src, w);
598 dest = bcd2int(dest, w);
600 tprintf("decimal: %d %s %d", dest, s?"-":"+", src);
602 tprintf(" c=%d", carry);
609 c = res > (w ? 9999 : 99);
618 res += w ? 10000 : 100;
621 res = int2bcd (res, w);
622 tprintf(" = %x\n", res);
624 set_szc (res, w+1, c);
626 put_reg (w ? r0 : r0l, res);
628 /** 1010 1dst DEC.B dest */
630 dc = decode_dest3 (dst, 0);
632 tprintf("%x -- = %x\n", v, v-1);
637 /** 1111 d010 DEC.W dest */
639 v = get_reg (d ? a1 : a0);
640 tprintf("%x -- = %x\n", v, v-1);
643 put_reg (d ? a1 : a0, v);
645 /** 0111 110w 1110 0001 DIV.size #IMM */
647 div_op (-1, 0, 0, w);
649 /** 0111 011w 1101 srcx DIV.size src */
651 div_op (srcx, 0, 0, w);
653 /** 0111 110w 1110 0000 DIVU.size #IMM */
655 div_op (-1, 1, 0, w);
657 /** 0111 011w 1100 srcx DIVU.size src */
659 div_op (srcx, 1, 0, w);
661 /** 0111 110w 1110 0011 DIVX.size #IMM */
663 div_op (-1, 0, 1, w);
665 /** 0111 011w 1001 srcx DIVX.size src */
667 div_op (srcx, 0, 1, w);
669 /** 0111 1100 1111 0010 ENTER #IMM8 */
672 put_reg (sp, get_reg (sp) - 2);
673 mem_put_hi (get_reg (sp), get_reg (fb));
674 put_reg (fb, get_reg (sp));
675 put_reg (sp, get_reg (sp) - imm);
677 /** 0111 1101 1111 0010 EXITD */
679 put_reg (sp, get_reg (fb));
680 put_reg (fb, mem_get_hi (get_reg (sp)));
681 put_reg (sp, get_reg (sp) + 2);
682 put_reg (pc, mem_get_psi (get_reg (sp)));
683 put_reg (sp, get_reg (sp) + 3);
685 /** 0111 1100 0110 dest EXTS.B dest */
687 dc = decode_srcdest4 (dest, 0);
688 v = sign_ext (get_src (dc), 8);
693 /** 0111 1100 1111 0011 EXTS.W R0 */
695 v = sign_ext (get_reg (r0), 16);
699 /** 1110 1011 0flg 0101 FCLR dest */
701 set_flags (1 << flg, 0);
703 /** 1110 1011 0flg 0100 FSET dest */
705 set_flags (1 << flg, 1 << flg);
707 /** 1010 0dst INC.B dest */
709 dc = decode_dest3 (dst, 0);
711 tprintf("%x ++ = %x\n", v, v+1);
716 /** 1011 d010 INC.W dest */
718 v = get_reg (d ? a1 : a0);
719 tprintf("%x ++ = %x\n", v, v+1);
722 put_reg (d ? a1 : a0, v);
724 /** 1110 1011 11vector INT #imm */
726 trigger_based_interrupt (vector);
728 /** 1111 0110 INTO */
731 trigger_fixed_interrupt (0xffe0);
733 /** 0110 1cnd Jcnd label */
735 v = sign_ext (IMM(0), 8);
736 if (condition_true (cnd))
737 put_reg (pc, orig_pc + 1 + v);
739 /** 0111 1101 1100 cond Jcnd label */
741 v = sign_ext (IMM(0), 8);
742 if (condition_true (cond))
743 put_reg (pc, orig_pc + 2 + v);
745 /** 0110 0dsp JMP.S label */
747 put_reg (pc, orig_pc + 2 + dsp);
749 /** 1111 1110 JMP.B label */
751 imm = sign_ext (IMM(0), 8);
755 printf("[jmp-to-self detected as exit]\n");
756 return M32C_MAKE_HIT_BREAK ();
758 put_reg (pc, orig_pc + 1 + imm);
760 /** 1111 0100 JMP.W label */
762 imm = sign_ext (IMM(1), 16);
763 put_reg (pc, orig_pc + 1 + imm);
765 /** 1111 1100 JMP.A label */
770 /** 0111 1101 0010 srcx JMPI.W src */
772 sc = decode_jumpdest (srcx, 1);
774 a = sign_ext (a, 16);
775 put_reg (pc, orig_pc + a);
777 /** 0111 1101 0000 srcx JMPI.A src */
779 sc = decode_jumpdest (srcx, 0);
783 /** 1110 1110 JMPS #IMM8 */
788 a = 0xf0000 + mem_get_hi (0xffffe - imm * 2);
791 /** 1111 0101 JSR.W label */
793 imm = sign_ext (IMM(1), 16);
794 put_reg (sp, get_reg (sp) - 3);
795 mem_put_psi (get_reg (sp), get_reg (pc));
796 put_reg (pc, orig_pc + imm + 1);
798 /** 1111 1101 JSR.A label */
801 put_reg (sp, get_reg (sp) - 3);
802 mem_put_psi (get_reg (sp), get_reg (pc));
805 /** 0111 1101 0011 srcx JSRI.W src */
807 sc = decode_jumpdest (srcx, 1);
809 a = sign_ext (a, 16);
811 put_reg (sp, get_reg (sp) - 3);
812 mem_put_psi (get_reg (sp), get_reg (pc));
813 put_reg (pc, orig_pc + a);
815 /** 0111 1101 0001 srcx JSRI.A src */
817 sc = decode_jumpdest (srcx, 0);
820 put_reg (sp, get_reg (sp) - 3);
821 mem_put_psi (get_reg (sp), get_reg (pc));
824 /** 1110 1111 JSRS #IMM8 */
829 a = 0xf0000 + mem_get_hi (0xffffe - imm * 2);
831 put_reg (sp, get_reg (sp) - 3);
832 mem_put_psi (get_reg (sp), get_reg (pc));
835 /** 1110 1011 0reg 0000 LDC #IMM16,dest */
837 dc = decode_cr (reg);
841 /** 0111 1010 1reg srcx LDC src,dest */
843 dc = decode_cr (reg);
844 sc = decode_srcdest4 (srcx,1);
845 put_dest (dc, get_src (sc));
847 /** 0111 1100 1111 0000 LDCTX abs16,abs20 */
851 /** 0111 010w 1000 dest LDE.size abs20,dest */
853 dc = decode_srcdest4 (dest, w);
856 v = mem_get_hi (imm);
858 v = mem_get_qi (imm);
861 /** 0111 010w 1001 dest LDE.size dsp:20[a0], dest */
863 dc = decode_srcdest4 (dest, w);
864 imm = IMM(2) + get_reg (a0);
866 v = mem_get_hi (imm);
868 v = mem_get_qi (imm);
871 /** 0111 010w 1010 dest LDE.size [a1a0],dest */
873 dc = decode_srcdest4 (dest, w);
874 imm = get_reg (a1a0);
876 v = mem_get_hi (imm);
878 v = mem_get_qi (imm);
881 /** 0111 1101 1010 0imm LDIPL #IMM */
883 set_flags (0x700, imm*0x100);
885 /** 0111 010w 1100 dest MOV.size:G #IMM,dest */
887 dc = decode_srcdest4 (dest, w);
890 tprintf("%x = %x\n", v, v);
894 /** 1101 100w immm dest MOV.size:Q #IMM,dest */
896 dc = decode_srcdest4 (dest, w);
897 v = sign_ext (immm, 4);
898 tprintf ("%x = %x\n", v, v);
902 /** 1100 0dst MOV.B:S #IMM8,dest */
905 dc = decode_dest3 (dst, 0);
907 tprintf("%x = %x\n", v, v);
911 /** 1w10 d010 MOV.size:S #IMM,dest */
913 /* Note that for w, 0=W and 1=B unlike the usual meaning. */
915 tprintf("%x = %x\n", v, v);
917 put_reg (d ? a1 : a0, v);
919 /** 1011 0dst MOV.B:Z #0,dest */
921 dc = decode_dest3 (dst, 0);
926 /** 0111 001w srcx dest MOV.size:G src,dest */
928 sc = decode_srcdest4 (srcx, w);
929 dc = decode_srcdest4 (dest, w);
934 /** 0011 0d sr MOV.B:S src,dest */
936 sc = decode_src2 (sr, 0, d);
939 put_reg (d ? a1 : a0, v);
941 /** 0000 0s ds MOV.B:S R0L/R0H,dest */
945 dc = decode_src2 (ds, 0, s);
946 v = get_reg (s ? r0h : r0l);
950 /** 0000 1d sr MOV.B:S src,R0L/R0H */
952 sc = decode_src2 (sr, 0, d);
955 put_reg (d ? r0h : r0l, v);
957 /** 0111 010w 1011 dest MOV.size:G dsp:8[SP], dest */
959 dc = decode_srcdest4 (dest, w);
961 a = get_reg (sp) + sign_ext (imm, 8);
970 /** 0111 010w 0011 srcx MOV.size:G src, disp8[SP] */
972 sc = decode_srcdest4 (srcx, w);
974 a = get_reg (sp) + sign_ext (imm, 8);
983 /** 1110 1011 0reg 1src MOVA src,dest */
985 static reg_id map[] = { r0, r1, r2, r3, a0, a1, 0, 0 };
986 sc = decode_srcdest4 (8 + src, 0);
987 put_reg (map[reg], sc.u.addr);
989 /** 0111 1100 10hl dest MOVdir R0L,dest */
991 if (dest == 0 || dest == 4 || dest == 5)
993 dc = decode_srcdest4 (dest, 0);
998 case 0: a = (a & 0xf0) | (b & 0x0f); break;
999 case 1: a = (a & 0xf0) | ((b>>4) & 0x0f); break;
1000 case 2: a = (a & 0x0f) | ((b & 0x0f)<<4); break;
1001 case 3: a = (a & 0x0f) | (b & 0xf0); break;
1005 /** 0111 1100 00hl srcx MOVdir src,R0L */
1007 if (srcx == 0 || srcx == 4 || srcx == 5)
1009 sc = decode_srcdest4 (srcx, 0);
1014 case 0: a = (a & 0xf0) | (b & 0x0f); break;
1015 case 1: a = (a & 0xf0) | ((b>>4) & 0x0f); break;
1016 case 2: a = (a & 0x0f) | ((b & 0x0f)<<4); break;
1017 case 3: a = (a & 0x0f) | (b & 0xf0); break;
1021 /** 0111 110w 0101 dest MUL.size #IMM,dest */
1024 imm = sign_ext (IMM(w), w?16:8);
1025 tprintf("%d * %d = %d\n", v, imm, v*imm);
1030 /** 0111 100w srcx dest MUL.size src,dest */
1034 tprintf("%d * %d = %d\n", a, b, v);
1038 /** 0111 110w 0100 dest MULU.size #IMM,dest */
1042 tprintf("%u * %u = %u\n", v, imm, v*imm);
1047 /** 0111 000w srcx dest MULU.size src,dest */
1051 tprintf("%u * %u = %u\n", a, b, v);
1055 /** 0111 010w 0101 dest NEG.size dest */
1058 tprintf("%d * -1 = %d\n", v, -v);
1060 set_oszc (v, w+1, v == 0);
1063 /** 0000 0100 NOP */
1067 /** 0111 010w 0111 dest NOT.size:G */
1070 tprintf("~ %x = %x\n", v, ~v);
1075 /** 1011 1dst NOT.B:S dest */
1077 dc = decode_dest3 (dst, 0);
1079 tprintf("~ %x = %x\n", v, ~v);
1084 /** 0111 011w 0011 dest OR.size:G #IMM,dest */
1088 tprintf ("%x | %x = %x\n", v, imm, v | imm);
1093 /** 1001 1dst OR.B:S #IMM8,dest */
1096 dc = decode_dest3 (dst, 0);
1098 tprintf("%x | %x = %x\n", v, imm, v|imm);
1103 /** 1001 100w srcx dest OR.size:G src,dest */
1106 tprintf ("%x | %x = %x\n", a, b, a | b);
1111 /** 0001 1d sr OR.B:S src,R0L/R0H */
1113 sc = decode_src2 (sr, 0, d);
1114 dc = decode_dest1 (d, 0);
1118 tprintf("%x | %x = %x\n", a, b, v);
1122 /** 0111 010w 1101 dest POP.size:G dest */
1124 dc = decode_srcdest4 (dest, w);
1127 v = mem_get_hi (get_reg (sp));
1128 put_reg (sp, get_reg (sp) + 2);
1129 tprintf("pophi: %x\n", v);
1133 v = mem_get_qi (get_reg (sp));
1134 put_reg (sp, get_reg (sp) + 1);
1135 tprintf("popqi: %x\n", v);
1139 /** 1001 d010 POP.B:S dest */
1141 v = mem_get_qi (get_reg (sp));
1142 put_reg (d ? r0h : r0l, v);
1143 put_reg (sp, get_reg (sp) + 1);
1144 tprintf("popqi: %x\n", v);
1146 /** 1101 d010 POP.W:S dest */
1148 v = mem_get_hi (get_reg (sp));
1149 put_reg (d ? a1 : a0, v);
1150 put_reg (sp, get_reg (sp) + 2);
1151 tprintf("pophi: %x\n", v);
1153 /** 1110 1011 0reg 0011 POPC dest */
1155 dc = decode_cr (reg);
1156 v = mem_get_hi (get_reg (sp));
1158 put_reg (sp, get_reg (sp) + 2);
1159 tprintf("popc: %x\n", v);
1161 /** 1110 1101 POPM dest */
1163 static int map[] = { r0, r1, r2, r3, a0, a1, sb, fb };
1165 tprintf("popm: %x\n", imm);
1169 v = mem_get_hi (get_reg (sp));
1170 put_reg (map[a], v);
1171 put_reg (sp, get_reg (sp) + 2);
1174 /** 0111 110w 1110 0010 PUSH.size:G #IMM */
1179 put_reg (sp, get_reg (sp) - 2);
1180 mem_put_hi (get_reg (sp), imm);
1181 tprintf("pushhi %04x\n", imm);
1185 put_reg (sp, get_reg (sp) - 1);
1186 mem_put_qi (get_reg (sp), imm);
1187 tprintf("pushqi %02x\n", imm);
1190 /** 0111 010w 0100 srcx PUSH.size:G src */
1192 sc = decode_srcdest4 (srcx, w);
1196 put_reg (sp, get_reg (sp) - 2);
1197 mem_put_hi (get_reg (sp), v);
1198 tprintf("pushhi: %x\n", v);
1202 put_reg (sp, get_reg (sp) - 1);
1203 mem_put_qi (get_reg (sp), v);
1204 tprintf("pushqi: %x\n", v);
1207 /** 1000 s010 PUSH.B:S src */
1209 v = get_reg (s ? r0h : r0l);
1210 put_reg (sp, get_reg (sp) - 1);
1211 mem_put_qi (get_reg (sp), v);
1212 tprintf("pushqi: %x\n", v);
1214 /** 1100 s010 PUSH.W:S src */
1216 v = get_reg (s ? a1 : a0);
1217 put_reg (sp, get_reg (sp) - 2);
1218 mem_put_hi (get_reg (sp), v);
1219 tprintf("pushhi: %x\n", v);
1221 /** 0111 1101 1001 srcx PUSHA src */
1223 sc = decode_srcdest4 (srcx, 0);
1224 put_reg (sp, get_reg (sp) - 2);
1225 mem_put_hi (get_reg (sp), sc.u.addr);
1226 tprintf("pushhi: %x\n", sc.u.addr);
1228 /** 1110 1011 0src 0010 PUSHC src */
1230 sc = decode_cr (src);
1231 put_reg (sp, get_reg (sp) - 2);
1233 mem_put_hi (get_reg (sp), v);
1234 tprintf("pushc: %x\n", v);
1236 /** 1110 1100 PUSHM src */
1238 static int map[] = { fb, sb, a1, a0, r3, r2, r1, r0 };
1240 tprintf("pushm: %x\n", imm);
1244 put_reg (sp, get_reg (sp) - 2);
1245 v = get_reg (map[a]);
1246 mem_put_hi (get_reg (sp), v);
1249 /** 1111 1011 REIT */
1253 + 4096 * (mem_get_qi (a+3) & 0xf0));
1254 b = (mem_get_qi (a+2)
1255 + 256 * (mem_get_qi (a+3) & 0xff));
1258 put_reg (sp, get_reg (sp) + 4);
1260 /** 0111 110w 1111 0001 RMPA.size */
1262 int count = get_reg (r3);
1263 int list1 = get_reg (a0);
1264 int list2 = get_reg (a1);
1265 int sum = get_reg (w ? r2r0 : r0);
1271 a = sign_ext (mem_get_hi (list1), 16);
1272 b = sign_ext (mem_get_hi (list2), 16);
1276 a = sign_ext (mem_get_qi (list1), 8);
1277 b = sign_ext (mem_get_qi (list2), 8);
1279 tprintf("%d + %d * %d = ", sum, a, b);
1281 tprintf("%d\n", sum);
1286 put_reg (r3, count);
1287 put_reg (a0, list1);
1288 put_reg (a1, list2);
1289 put_reg (w ? r2r0 : r0, sum);
1291 /** 0111 011w 1010 dest ROLC.size dest */
1293 dc = decode_srcdest4 (dest, w);
1296 /** 0111 011w 1011 dest RORC.size dest */
1298 dc = decode_srcdest4 (dest, w);
1301 /** 1110 000w immm dest ROT.size #IMM,dest */
1303 dc = decode_srcdest4 (dest, w);
1304 rot_op (dc, 0, IMM4());
1306 /** 0111 010w 0110 dest ROT.size R1H,dest */
1308 dc = decode_srcdest4 (dest, w);
1309 rot_op (dc, 0, sign_ext (get_reg (r1h), 8));
1311 /** 1111 0011 RTS */
1313 put_reg (pc, mem_get_psi (get_reg (sp)));
1314 put_reg (sp, get_reg (sp) + 3);
1316 /** 0111 011w 0111 dest SBB.size #IMM,dest */
1318 dc = decode_srcdest4 (dest, w);
1320 MATH_OP (dc, imm, !carry, -, >= 0);
1322 /** 1011 100w srcx dest SBB.size src,dest */
1324 sc = decode_srcdest4(srcx, w);
1325 dc = decode_srcdest4(dest, w);
1327 MATH_OP (dc, b, !carry, -, >= 0);
1329 /** 1111 000w immm dest SHA.size #IMM, dest */
1331 dc = decode_srcdest4(dest, w);
1332 shift_op (dc, 1, IMM4());
1334 /** 0111 010w 1111 dest SHA.size R1H,dest */
1336 dc = decode_srcdest4(dest, w);
1337 a = sign_ext (get_reg (r1h), 8);
1338 shift_op (dc, 1, a);
1340 /** 1110 1011 101d immm SHA.L #IMM, dest */
1342 dc = reg_sd (d ? r3r1 : r2r0);
1343 shift_op (dc, 1, IMM4());
1345 /** 1110 1011 001d 0001 SHA.L R1H,dest */
1347 dc = reg_sd (d ? r3r1 : r2r0);
1348 a = sign_ext (get_reg (r1h), 8);
1349 shift_op (dc, 1, a);
1351 /** 1110 100w immm dest SHL.size #IMM, dest */
1353 dc = decode_srcdest4(dest, w);
1354 shift_op (dc, 0, IMM4());
1356 /** 0111 010w 1110 dest SHL.size R1H,dest */
1358 dc = decode_srcdest4(dest, w);
1359 a = sign_ext (get_reg (r1h), 8);
1360 shift_op (dc, 0, a);
1362 /** 1110 1011 100d immm SHL.L #IMM,dest */
1364 dc = reg_sd (d ? r3r1 : r2r0);
1365 shift_op (dc, 0, IMM4());
1367 /** 1110 1011 000d 0001 SHL.L R1H,dest */
1369 dc = reg_sd (d ? r3r1 : r2r0);
1370 a = sign_ext (get_reg (r1h), 8);
1371 shift_op (dc, 0, a);
1373 /** 0111 110w 1110 100b SMOVB.size */
1375 int count = get_reg (r3);
1376 int s1 = get_reg (a0) + (get_reg (r1h) << 16);
1377 int s2 = get_reg (a1);
1378 int inc = (w ? 2 : 1) * (b ? -1 : 1);
1384 v = mem_get_hi (s1);
1389 v = mem_get_qi (s1);
1396 put_reg (r3, count);
1397 put_reg (a0, s1 & 0xffff);
1399 put_reg (r1h, s1 >> 16);
1401 /** 0111 110w 1110 1010 SSTR.size */
1403 int count = get_reg (r3);
1404 int s1 = get_reg (a1);
1405 v = get_reg (w ? r0 : r0l);
1421 put_reg (r3, count);
1424 /** 0111 1011 1src dest STC src,dest */
1426 dc = decode_srcdest4 (dest, 1);
1427 sc = decode_cr (src);
1428 put_dest (dc, get_src(sc));
1430 /** 0111 1100 1100 dest STC PC,dest */
1432 dc = decode_srcdest4 (dest, 1);
1434 put_dest (dc, orig_pc);
1436 /** 0111 1101 1111 0000 STCTX abs16,abs20 */
1440 /** 0111 010w 0000 srcx STE.size src,abs20 */
1442 sc = decode_srcdest4 (srcx, w);
1449 if (srcx == 4 || srcx == 5)
1451 v = get_reg (sc.u.reg);
1457 /** 0111 010w 0001 srcx STE.size src,disp20[a0] */
1459 sc = decode_srcdest4 (srcx, w);
1460 a = get_reg(a0) + IMM(2);
1466 if (srcx == 4 || srcx == 5)
1468 v = get_reg (sc.u.reg);
1474 /** 0111 010w 0010 srcx STE.size src,[a1a0] */
1476 sc = decode_srcdest4 (srcx, w);
1483 if (srcx == 4 || srcx == 5)
1485 v = get_reg (sc.u.reg);
1491 /** 1101 0dst STNZ #IMM8,dest */
1494 dc = decode_dest3(dst, 0);
1498 /** 1100 1dst STZ #IMM8,dest */
1501 dc = decode_dest3(dst, 0);
1505 /** 1101 1dst STZX #IMM81,#IMM82,dest */
1508 dc = decode_dest3(dst, 0);
1515 /** 0111 011w 0101 dest SUB.size:G #IMM,dest */
1517 dc = decode_srcdest4 (dest, w);
1519 MATH_OP (dc, imm, 0, -, >= 0);
1521 /** 1000 1dst SUB.B:S #IMM8,dest */
1524 dc = decode_dest3 (dst, 0);
1525 MATH_OP (dc, imm, 0, -, >= 0);
1527 /** 1010 100w srcx dest SUB.size:G src,dest */
1529 sc = decode_srcdest4(srcx, w);
1530 dc = decode_srcdest4(dest, w);
1532 MATH_OP (dc, b, 0, -, >= 0);
1534 /** 0010 1d sr SUB.B:S src,R0L/R0H */
1536 sc = decode_src2 (sr, 0, d);
1537 dc = decode_dest1 (d, 0);
1539 MATH_OP (dc, b, 0, -, >= 0);
1541 /** 0111 011w 0000 dest TST.size #IMM, dest */
1545 tprintf ("%x & %x = %x\n", v, imm, v & imm);
1549 /** 1000 000w srcx dest TST.size src,dest */
1552 tprintf ("%x & %x = %x\n", a, b, a & b);
1556 /** 1111 1111 UND */
1558 trigger_fixed_interrupt (0xffdc);
1560 /** 0111 1101 1111 0011 WAIT */
1562 tprintf("waiting...\n");
1564 /** 0111 101w 00sr dest XCHG.size src,dest */
1566 sc = decode_srcdest4 (sr, w);
1567 dc = decode_srcdest4 (dest, w);
1573 /** 0111 011w 0001 dest XOR.size #IMM,dest */
1577 tprintf ("%x ^ %x = %x\n", v, imm, v ^ imm);
1582 /** 1000 100w srcx dest XOR.size src,dest */
1585 tprintf ("%x ^ %x = %x\n", a, b, a ^ b);