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-rw-r--r--sim/m32c/m32c.opc2104
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diff --git a/sim/m32c/m32c.opc b/sim/m32c/m32c.opc
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+++ b/sim/m32c/m32c.opc
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+/* m32c.opc --- semantics for m32c opcodes. -*- mode: c -*-
+
+Copyright (C) 2005 Free Software Foundation, Inc.
+Contributed by Red Hat, Inc.
+
+This file is part of the GNU simulators.
+
+The GNU simulators are free software; you can redistribute them and/or
+modify them under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU simulators are distributed in the hope that they will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the GNU simulators; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "cpu.h"
+#include "mem.h"
+#include "misc.h"
+#include "int.h"
+
+#define AU __attribute__((unused))
+
+#define tprintf if (trace) printf
+
+static unsigned char
+getbyte ()
+{
+ int tsave = trace;
+ unsigned char b;
+
+ if (trace == 1)
+ trace = 0;
+ b = mem_get_pc ();
+ regs.r_pc ++;
+ trace = tsave;
+ return b;
+}
+
+#define M32C_ONLY() /* FIXME: add something here */
+
+#define GETBYTE() (op[opi++] = getbyte())
+
+#define UNSUPPORTED() unsupported("unsupported", orig_pc)
+#define NOTYET() unsupported("unimplemented", orig_pc)
+
+static void
+unsupported (char *tag, int orig_pc)
+{
+ int i;
+ printf("%s opcode at %08x\n", tag, orig_pc);
+ regs.r_pc = orig_pc;
+ for (i=0; i<2; i++)
+ {
+ int b = mem_get_pc();
+ printf(" %s", bits(b>>4, 4));
+ printf(" %s", bits(b, 4));
+ regs.r_pc ++;
+ }
+ printf("\n");
+ regs.r_pc = orig_pc;
+ for (i=0; i<6; i++)
+ {
+ printf(" %02x", mem_get_pc ());
+ regs.r_pc ++;
+ }
+ printf("\n");
+ exit(1);
+}
+
+static int
+IMM(int bytes)
+{
+ int rv = 0;
+ switch (bytes)
+ {
+ case 1:
+ rv = mem_get_qi (get_reg(pc));
+ break;
+ case 2:
+ rv = mem_get_hi (get_reg(pc));
+ break;
+ case 3:
+ rv = mem_get_psi (get_reg(pc));
+ break;
+ case 4:
+ rv = mem_get_si (get_reg(pc));
+ break;
+ }
+ regs.r_pc += bytes;
+ return rv;
+}
+
+#define IMM4() (immm >= 8 ? 7 - immm : immm + 1)
+
+#define NO_PREFIX() PREFIX(0,0,0)
+
+/* Indicate which sorts of prefixes are allowed for the current
+ opcode. */
+void
+prefix (src_allowed, dest_allowed, index_bytewidth)
+{
+ /* At the moment, we don't do anything with this information. We
+ just wanted to get the information entered in some
+ machine-readable form while we were going through all the
+ opcodes. */
+}
+
+#define MATH_OP(dc,s,c,op) \
+{ \
+ int ma, mb; \
+ ma = get_src(dc); \
+ mb = s & b2mask[dc.bytes]; \
+ ll = (long long)ma op (long long)mb op c; \
+ tprintf("0x%x " #op " 0x%x " #op " 0x%x = 0x%llx\n", ma, mb, c, ll); \
+ ma = sign_ext (ma, dc.bytes * 8); \
+ mb = sign_ext (s, dc.bytes * 8); \
+ v = ma op mb op c; \
+ tprintf("%d " #op " %d " #op " %d = %d\n", ma, mb, c, v); \
+ set_oszc (v, dc.bytes, ll > ((1 op 1) ? b2mask[dc.bytes] : 0)); \
+ put_dest (dc, v); \
+}
+
+#define LOGIC_OP(dc,s,op) \
+{ \
+ int ma, mb; \
+ ma = get_src(dc); \
+ mb = s & b2mask[dc.bytes]; \
+ v = ma op mb; \
+ tprintf("0x%x " #op " 0x%x = 0x%x\n", ma, mb, v); \
+ set_sz (v, dc.bytes); \
+ put_dest (dc, v); \
+}
+
+#define BIT_OP(dc,bit,expr) \
+ b = get_bit2 (dc, bitindex == -1 ? bit : bitindex); \
+ v = expr; \
+ tprintf ("b=%d, bit=%d, carry=%d, %s = %d\n", \
+ b, bitindex == -1 ? bit : bitindex, carry, #expr, v); \
+ put_bit2 (dc, bitindex == -1 ? bit : bitindex, v);
+
+#define BIT_OPC(dc,bit,expr) \
+ b = get_bit2 (dc, bitindex == -1 ? bit : bitindex); \
+ v = expr; \
+ tprintf ("b=%d, bit=%d, carry=%d, %s = %d\n", \
+ b, bitindex == -1 ? bit : bitindex, carry, #expr, v); \
+ set_c (v);
+
+#define carry (FLAG_C ? 1 : 0)
+
+static void
+cmp (int d, int s, int bytes)
+{
+ int a, b, f=0;
+ a = d - s;
+ b = sign_ext (d, bytes*8) - sign_ext (s, bytes*8);
+ tprintf ("cmp: %x - %x = %08x, %x - %x = %d\n",
+ d, s, a,
+ sign_ext(d,bytes*8), sign_ext(s,bytes*8), b);
+
+ if (b == 0)
+ f |= FLAGBIT_Z;
+ if (b & b2signbit[bytes])
+ f |= FLAGBIT_S;
+ if ((d & b2mask[bytes]) >= (s & b2mask[bytes]))
+ f |= FLAGBIT_C;
+ if (b < b2minsigned[bytes] || b > b2maxsigned[bytes])
+ f |= FLAGBIT_O;
+
+ set_flags (FLAGBIT_Z | FLAGBIT_S | FLAGBIT_O | FLAGBIT_C, f);
+}
+
+static void
+dadd_op (int ddd, int dd, int sss, int ss, int imm, int add, int cy, int w)
+{
+ srcdest sc, dc;
+ int a, b=0, res;
+
+ prefix (0, 0, 0);
+
+ if (!imm)
+ {
+ sc = decode_src23 (sss, ss, w+1);
+ b = get_src (sc);
+ }
+ dc = decode_dest23 (ddd, dd, w+1);
+ a = get_src (dc);
+ if (imm)
+ b = IMM(w+1);
+
+ a = bcd2int(a, w);
+ b = bcd2int(b, w);
+
+ tprintf("decimal: %d %s %d", a, add?"+":"-", b);
+ if (cy)
+ tprintf(" c=%d", carry);
+
+ if (add)
+ {
+ res = a + b;
+ if (cy)
+ res += carry;
+ cy = res > (w ? 9999 : 99);
+ }
+ else
+ {
+ res = a - b;
+ if (cy)
+ res -= (1-carry);
+ cy = res >= 0;
+ if (res < 0)
+ res += w ? 10000 : 100;
+ }
+
+ res = int2bcd (res, w);
+ tprintf(" = %x\n", res);
+
+ set_szc (res, w+1, cy);
+
+ put_dest (dc, res);
+}
+#define DADDV(A,C) dadd_op(ddd, dd, sss, ss, 0, A, C, w)
+#define DADDI(A,C) dadd_op(ddd, dd, 0, 0, 1, A, C, w)
+
+static void
+div_op (int sss, int ss, int u, int x, int bytes)
+{
+ srcdest sc;
+ int s, v, a, b;
+
+ if (sss == -1)
+ s = IMM(bytes);
+ else
+ {
+ sc = decode_dest23 (sss, ss, bytes);
+ s = get_src (sc);
+ }
+
+ v = get_reg (bytes > 1 ? r2r0 : r0);
+
+ if (!u)
+ {
+ /* FIXME? do we sign extend a0/a1 to .L? Docs say zero extend. */
+ s = sign_ext (s, bytes*8);
+ v = sign_ext (v, bytes*8);
+ }
+
+ if (s == 0)
+ {
+ set_flags (FLAGBIT_O, FLAGBIT_O);
+ return;
+ }
+
+ if (u)
+ {
+ a = (unsigned int)v / (unsigned int)s;
+ b = (unsigned int)v % (unsigned int)s;
+ }
+ else
+ {
+ a = v / s;
+ b = v % s;
+ }
+ if (x)
+ {
+ if ((s > 0 && b < 0)
+ || (s < 0 && b > 0))
+ {
+ a --;
+ b += s;
+ }
+ }
+ tprintf ("%d / %d = %d rem %d\n", v, s, a, b);
+ if ((!u && (a > b2maxsigned[bytes]
+ || a < b2minsigned[bytes]))
+ || (u && (a > b2mask[bytes])))
+ set_flags (FLAGBIT_O, FLAGBIT_O);
+ else
+ set_flags (FLAGBIT_O, 0);
+
+ switch (bytes)
+ {
+ case 1:
+ put_reg (r0l, a);
+ put_reg (r0h, b);
+ break;
+ case 2:
+ put_reg (r0, a);
+ put_reg (r2, b);
+ break;
+ case 4:
+ put_reg (r2r0, a);
+ break;
+ }
+}
+
+static void
+index_op (int sss, int ss, int do_s, int do_d, int scale, int w)
+{
+ srcdest sc = decode_src23 (sss, ss, w+1);
+ int v = get_src (sc) * scale;
+ tprintf("%d = %d * %d, %d %d\n", v, get_src(sc), scale, do_s, do_d);
+ decode_index (do_s * v, do_d * v);
+}
+#define INDEXOP(scale,do_s,do_d) \
+ index_op (sss, ss, do_s, do_d, scale, w); goto next_opcode
+
+static void
+rot_op (srcdest sd, int rotc, int count)
+{
+ int mask = (sd.bytes == 2) ? 0xffff : 0xff;
+ int msb = (sd.bytes == 2) ? 0x8000 : 0x80;
+ int v = get_src (sd);
+ int c = carry, ct;
+
+ tprintf("%s %x by %d\n", rotc ? "rotc" : "rot", v, count);
+ tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
+ while (count > 0)
+ {
+ ct = (v & msb) ? 1 : 0;
+ v <<= 1;
+ v |= rotc ? c : ct;
+ v &= mask;
+ c = ct;
+ tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
+ count --;
+ }
+ while (count < 0)
+ {
+ ct = v & 1;
+ v >>= 1;
+ v |= (rotc ? c : ct) * msb;
+ c = ct;
+ tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
+ count ++;
+ }
+ put_dest (sd, v);
+ set_szc (v, sd.bytes, c);
+}
+
+static void
+shift_op (srcdest sd, int arith, int count, int setc)
+{
+ int mask = (sd.bytes == 2) ? 0xffff : 0xff;
+ int msb = (sd.bytes == 2) ? 0x8000 : 0x80;
+ int v = get_src (sd);
+ int c = 0;
+ int o = 0;
+
+ if (sd.bytes == 4)
+ {
+ mask = 0xffffffffU;
+ msb = 0x80000000U;
+ }
+
+ tprintf("%s %x by %d\n", arith ? "sha" : "shl", v, count);
+ tprintf (": %s %d %d\n", bits(v, 8*sd.bytes), c, o);
+ while (count > 0)
+ {
+ c = (v & msb) ? 1 : 0;
+ v <<= 1;
+ v &= mask;
+ if (c != ((v & msb) ? 1 : 0))
+ o = 1;
+ tprintf (": %s %d %d\n", bits(v, 8*sd.bytes), c, o);
+ count --;
+ }
+ while (count < 0)
+ {
+ c = v & 1;
+ if (arith)
+ v = (v & msb) | (v >> 1);
+ else
+ v = (v >> 1) & (msb - 1);
+ tprintf (": %s %d %d\n", bits(v, 8*sd.bytes), c, o);
+ count ++;
+ }
+ put_dest (sd, v);
+ set_sz (v, sd.bytes);
+ if (setc)
+ set_c (c);
+ set_flags (FLAGBIT_O, o ? FLAGBIT_O : 0);
+}
+
+int
+decode_m32c()
+{
+ unsigned char op[40];
+ int opi;
+ int orig_pc;
+ int v, a, b;
+ long long ll;
+ srcdest sc, dc;
+ int imm;
+ int bitindex = -1;
+ int t0, t1=0, t2, t3=0;
+ int ta0, ta1, dif;
+
+ step_result = M32C_MAKE_STEPPED ();
+
+ decode_indirect (0, 0);
+ decode_index (0, 0);
+
+next_opcode:
+ opi = 0;
+ orig_pc = get_reg (pc);
+
+ tprintf("trace: decode pc = %06x\n", orig_pc);
+
+ /** VARY sss 000 001 010 011 100 */
+ /** VARY ddd 000 001 010 011 100 */
+
+ /** 0000 1001 indirect dest */
+
+ decode_indirect (0, 1);
+ goto next_opcode;
+
+ /** 0100 0001 indirect src */
+
+ decode_indirect (1, 0);
+ goto next_opcode;
+
+ /** 0100 1001 indirect src and dest */
+
+ decode_indirect (1, 1);
+ goto next_opcode;
+
+ /** 1010 ddd w dd01 1111 ABS.size dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ v = sign_ext (get_src (dc), w?16:8);
+ a = v<0 ? -v : v;
+ tprintf("abs(%d) = %d\n", v, a);
+ set_osz(a, w+1);
+ put_dest (dc, a);
+
+ /** 0000 0001 1000 ddd w dd10 1110 ADC.size #IMM,dest */
+
+ prefix (0, 0, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ imm = IMM (w+1);
+ MATH_OP (dc, imm, carry, +);
+
+ /** 0000 0001 1sss ddd w dd ss 0100 ADC.size src,dest */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, w+1);
+ dc = decode_dest23 (ddd, dd, w+1);
+ b = get_src (sc);
+ MATH_OP (dc, b, carry, +);
+
+ /** 1011 ddd w dd01 1110 ADCF.size dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ MATH_OP (dc, 0, carry, +);
+
+ /** 1000 ddd w dd10 1110 ADD.size:G #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23(ddd, dd, w+1);
+ imm = IMM(w+1);
+ MATH_OP (dc, imm, 0, +);
+
+ /** 1000 ddd0 dd11 0001 ADD.L:G #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23(ddd, dd, 4);
+ imm = IMM(4);
+ MATH_OP (dc, imm, 0, +);
+
+ /** 111L ddd w dd11 immm ADD.size:Q #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23(ddd, dd, L ? 4 : (w+1));
+ imm = sign_ext (immm, 4);
+ MATH_OP (dc, imm, 0, +);
+
+ /** 00dd 011w ADD.size:S #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest2(dd, w+1);
+ imm = IMM (w+1);
+ MATH_OP (dc, imm, 0, +);
+
+ /** 10i0 110d ADD.L:S #IMM,A0/A1 */
+
+ prefix (0, 0, 0);
+ dc = reg_sd (d ? a1 : a0);
+ imm = i ? 2 : 1;
+ MATH_OP (dc, imm, 0, +);
+
+ /** 1sss ddd w dd ss 1000 ADD.size:G src,dest */
+
+ prefix (1, 1, 0);
+ sc = decode_src23(sss, ss, w+1);
+ dc = decode_dest23(ddd, dd, w+1);
+ b = get_src (sc);
+ MATH_OP (dc, b, 0, +);
+
+ /** 1sss ddd1 dd ss 0010 ADD.L:G src,dest */
+
+ prefix (1, 1, 0);
+ sc = decode_src23(sss, ss, 4);
+ dc = decode_dest23(ddd, dd, 4);
+ b = get_src (sc);
+ MATH_OP (dc, b, 0, +);
+
+ /** 1011 0110 0001 0011 ADD.L:G #IMM16,SP */
+
+ prefix (0, 0, 0);
+ dc = reg_sd (sp);
+ b = sign_ext (IMM(2), 16);
+ MATH_OP (dc, b, 0, +);
+
+ /** 01ii 001i ADD.L:Q #IMM3,SP */
+
+ prefix (0, 0, 0);
+ dc = reg_sd (sp);
+ b = ii * 2 + i + 1;
+ MATH_OP (dc, b, 0, +);
+
+ /** 1011 0110 0000 0011 ADD.L:S #IMM8,SP */
+
+ prefix (0, 0, 0);
+ dc = reg_sd (sp);
+ b = sign_ext (IMM(1), 8);
+ MATH_OP (dc, b, 0, +);
+
+ /** 1000 ddd0 dd01 0001 ADDX #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23(ddd, dd, 4);
+ imm = sign_ext (IMM(1), 8);
+ MATH_OP (dc, imm, 0, +);
+
+ /** 1sss ddd0 dd ss 0010 ADDX src,dest */
+
+ prefix (1, 1, 0);
+ sc = decode_src23(sss, ss, 1);
+ dc = decode_dest23(ddd, dd, 4);
+ b = sign_ext (get_src (sc), 8);
+ MATH_OP (dc, b, 0, +);
+
+ /** 1111 ddd w dd01 immm ADJNZ.size #IMM,dest,label */
+
+ prefix (0, 0, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ v = get_src (dc);
+ imm = sign_ext(immm, 4);
+ tprintf("%d + %d = %d\n", v, imm, v+imm);
+ v += imm;
+ put_dest (dc, v);
+ a = sign_ext (IMM(1), 8);
+ if ((v & (w ? 0xffff : 0xff)) != 0)
+ {
+ tprintf("jmp: %x + 2 + %d = ", get_reg (pc), a);
+ put_reg (pc, orig_pc + 2 + a);
+ tprintf("%x\n", get_reg (pc));
+ }
+
+ /** 1000 ddd w dd11 1111 AND.size:G #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23(ddd, dd, w+1);
+ imm = IMM(w+1);
+ LOGIC_OP (dc, imm, &);
+
+ /** 01dd 110w AND.size:S #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest2(dd, w+1);
+ imm = IMM (w+1);
+ LOGIC_OP (dc, imm, &);
+
+ /** 1sss ddd w dd ss 1101 AND.size:G src,dest */
+
+ prefix (1, 1, 0);
+ sc = decode_src23(sss, ss, w+1);
+ dc = decode_dest23(ddd, dd, w+1);
+ b = get_src (sc);
+ LOGIC_OP (dc, b, &);
+
+ /** 0000 0001 1101 sss0 ss00 1bit BAND src */
+
+ sc = decode_src23 (sss, ss, 1);
+ BIT_OPC (sc, bit, b & carry);
+
+ /** 1101 ddd0 dd11 0bit BCLR dest */
+
+ dc = decode_dest23 (ddd, dd, 1);
+ BIT_OP (dc, bit, 0);
+
+ /** 1100 ddd w dd10 1110 BITINDEX.size src */
+
+ prefix (0, 0, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ bitindex = get_src (dc);
+ tprintf ("bitindex set to %d\n", bitindex);
+ goto next_opcode;
+
+ /** 1101 ddd0 dd01 0bit BMcnd dest */
+
+ prefix (0, 0, 0);
+ dc = decode_dest23 (ddd, dd, 1);
+ if (condition_true (IMM (1)))
+ put_bit2 (dc, bit, 1);
+ else
+ put_bit2 (dc, bit, 0);
+
+ /** 1101 1001 0c10 1cnd BMcnd C */
+
+ prefix (0, 0, 0);
+ if (condition_true (c * 8 + cnd))
+ set_c (1);
+ else
+ set_c (0);
+
+ /** 0000 0001 1101 sss0 ss01 1bit BNAND src */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 1);
+ BIT_OPC (sc, bit, !b & carry);
+
+ /** 0000 0001 1101 sss0 ss11 0bit BNOR src */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 1);
+ BIT_OPC (sc, bit, !b | carry);
+
+ /** 1101 ddd0 dd01 1bit BNOT dest */
+
+ prefix (0, 0, 0);
+ dc = decode_dest23 (ddd, dd, 1);
+ BIT_OP (dc, bit, !b);
+
+ /** 0000 0001 1101 sss0 ss00 0bit BNTST src */
+
+ prefix (0, 0, 0);
+ sc = decode_dest23 (sss, ss, 1);
+ b = get_bit2 (sc, bit);
+ set_zc (!b, !b);
+
+ /** 0000 0001 1101 sss0 ss11 1bit BNXOR src */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 1);
+ BIT_OPC (sc, bit, !b ^ carry);
+
+ /** 0000 0001 1101 sss0 ss10 0bit BOR src */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 1);
+ BIT_OPC (sc, bit, b | carry);
+
+ /** 0000 0000 BRK */
+
+ /* We report the break to our caller with the PC still pointing at the
+ breakpoint instruction. */
+ put_reg (pc, orig_pc);
+ if (verbose)
+ printf("[break]\n");
+ return M32C_MAKE_HIT_BREAK ();
+
+ /** 0000 1000 BRK */
+
+ if (verbose)
+ printf("[break2]\n");
+ return M32C_MAKE_HIT_BREAK ();
+
+ /** 1101 ddd0 dd11 1bit BSET dest */
+
+ dc = decode_dest23 (ddd, dd, 1);
+ BIT_OP (dc, bit, 1);
+
+ /** 1101 sss0 ss00 0bit BTST:G src */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 1);
+ b = get_bit2 (sc, bit);
+ set_zc (!b, b);
+
+ /** 00bb 101b BTST:S src */
+
+ sc = decode_src23 (3, 3, 1); /* bit,base:19 */
+ b = get_bit2 (sc, bb*2 + b);
+ set_zc (!b, b);
+
+ /** 1101 ddd0 dd10 0bit BTSTC dest */
+
+ prefix (0, 0, 0);
+ sc = decode_dest23 (ddd, dd, 1);
+ b = get_bit2 (sc, bit);
+ set_zc (!b, b);
+ put_bit2 (sc, bit, 0);
+
+ /** 1101 ddd0 dd10 1bit BTSTS dest */
+
+ prefix (0, 0, 0);
+ sc = decode_dest23 (ddd, dd, 1);
+ b = get_bit2 (sc, bit);
+ set_zc (!b, b);
+ put_bit2 (sc, bit, 1);
+
+ /** 0000 0001 1101 sss0 ss10 1bit BXOR src */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 1);
+ BIT_OPC (sc, bit, b ^ carry);
+
+ /** 0000 0001 1000 ddd w dd11 1110 CLIP.size #IMM1,#IMM2,dest */
+
+ prefix (0, 0, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ a = sign_ext (IMM(w+1), w*8+8);
+ b = sign_ext (IMM(w+1), w*8+8);
+ v = sign_ext (get_src (dc), w*8+8);
+ tprintf("clip %d <= %d <= %d : ", a, v, b);
+ if (a > v)
+ v = a;
+ if (v > b)
+ v = b;
+ tprintf("%d\n", v);
+ put_dest (dc, v);
+
+ /** 1001 ddd w dd10 1110 CMP.size:G #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ v = get_src (dc);
+ imm = IMM(w+1);
+ cmp (v, imm, w+1);
+
+ /** 1010 ddd0 dd11 0001 CMP.L:G #IMM32,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, 4);
+ v = get_src (dc);
+ imm = IMM(4);
+ cmp (v, imm, 4);
+
+ /** 1110 ddd w dd01 immm CMP.size:Q #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ v = get_src (dc);
+ immm = sign_ext (immm, 4);
+ cmp (v, immm, w+1);
+
+ /** 01dd 011w CMP.size:S #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest2 (dd, w+1);
+ v = get_src (dc);
+ imm = sign_ext (IMM(w+1),w*8+8);
+ cmp (v, imm, w+1);
+
+ /** 1sss ddd w dd ss 0110 CMP.size:G src,dest */
+
+ prefix (1, 1, 0);
+ sc = decode_src23 (sss, ss, w+1);
+ dc = decode_dest23 (ddd, dd, w+1);
+ a = get_src (dc);
+ b = get_src (sc);
+ cmp (a, b, w+1);
+
+ /** 1sss ddd1 dd ss 0001 CMP.L:G src,dest */
+
+ prefix (1, 1, 0);
+ sc = decode_src23 (sss, ss, 4);
+ dc = decode_dest23 (ddd, dd, 4);
+ a = get_src (dc);
+ b = get_src (sc);
+ cmp (a, b, 4);
+
+ /** 01dd 000w CMP.size:S src,R0/R0L */
+
+ prefix (0, 1, 0);
+ dc = decode_dest2 (dd, w+1);
+ a = get_reg (w ? r0 : r0l);
+ b = get_src (dc);
+ cmp (a, b, w+1);
+
+ /** 1010 ddd0 dd01 0001 CMPX #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, 4);
+ v = get_src (dc);
+ imm = sign_ext (IMM(1), 8);
+ cmp (v, imm, 4);
+
+ /** 0000 0001 1000 ddd w dd00 1110 DADC.size #IMM,dest */
+
+ DADDI(1,1);
+
+ /** 0000 0001 1sss ddd w dd ss 1000 DADC.size src,dest */
+
+ DADDV(1,1);
+
+ /** 0000 0001 1000 ddd w dd01 1110 DADD.size #IMM,dest */
+
+ DADDI(1,0);
+
+ /** 0000 0001 1sss ddd w dd ss 0000 DADD.size src,dest */
+
+ DADDV(1,0);
+
+ /** 1011 ddd w dd00 1110 DEC.size dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ a = get_src (dc);
+ v = a-1;
+ tprintf ("%x -- = %x\n", a, v);
+ set_sz (v, w+1);
+ put_dest (dc, v);
+
+ /** 1011 0000 010w 0011 DIV.size #IMM */
+
+ prefix (0, 0, 0);
+ div_op (-1, 0, 0, 0, w+1);
+
+ /** 1000 sss w ss01 1110 DIV.size src */
+
+ prefix (0, 1, 0);
+ div_op (sss, ss, 0, 0, w+1);
+
+ /** 0000 0001 1010 sss1 ss01 1111 DIV.L src */
+
+ M32C_ONLY();
+ prefix (0, 0, 0);
+ div_op (sss, ss, 0, 0, 4);
+
+ /** 1011 0000 000w 0011 DIVU.size #IMM */
+
+ prefix (0, 0, 0);
+ div_op (-1, 0, 1, 0, w+1);
+
+ /** 1000 sss w ss00 1110 DIVU.size src */
+
+ prefix (0, 1, 0);
+ div_op (sss, ss, 1, 0, w+1);
+
+ /** 0000 0001 1010 sss1 ss00 1111 DIVU.L src */
+
+ M32C_ONLY();
+ prefix (0, 0, 0);
+ div_op (sss, ss, 1, 0, 4);
+
+ /** 1011 0010 010w 0011 DIVX.size #IMM */
+
+ prefix (0, 0, 0);
+ div_op (-1, 0, 0, 1, w+1);
+
+ /** 1001 sss w ss01 1110 DIVX.size src */
+
+ prefix (0, 1, 0);
+ div_op (sss, ss, 0, 1, w+1);
+
+ /** 0000 0001 1010 sss1 ss10 1111 DIVX.L src */
+
+ M32C_ONLY();
+ prefix (0, 0, 0);
+ div_op (sss, ss, 0, 1, 4);
+
+ /** 0000 0001 1001 ddd w dd00 1110 DSBB.size #IMM,dest */
+
+ DADDI(0,1);
+
+ /** 0000 0001 1sss ddd w dd ss 1010 DSBB.size src,dest */
+
+ DADDV(0,1);
+
+ /** 0000 0001 1001 ddd w dd01 1110 DSUB.size #IMM,dest */
+
+ DADDI(0,0);
+
+ /** 0000 0001 1sss ddd w dd ss 0010 DSUB.size src,dest */
+
+ DADDV(0,0);
+
+ /** 1110 1100 ENTER #IMM */
+
+ imm = IMM(1);
+ put_reg (sp, get_reg (sp) - 4);
+ mem_put_si (get_reg (sp), get_reg (fb));
+ put_reg (fb, get_reg (sp));
+ put_reg (sp, get_reg (sp) - imm);
+
+ /** 1111 1100 EXITD */
+
+ put_reg (sp, get_reg (fb));
+ put_reg (fb, mem_get_si (get_reg (sp)));
+ put_reg (sp, get_reg (sp) + 4);
+ put_reg (pc, mem_get_si (get_reg (sp)));
+ put_reg (sp, get_reg (sp) + 4);
+
+ /** 1100 ddd w dd01 1110 EXTS.size dest */
+
+ prefix (0, 0, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ v = sign_ext (get_src (dc), (w+1)*8);
+ dc = widen_sd (dc);
+ put_dest (dc, v);
+ set_sz (v, (w+1)*2);
+
+ /** 0000 0001 1sss ddd0 dd ss 0111 EXTS.B src,dest */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 1);
+ dc = decode_dest23 (ddd, dd, 2);
+ v = sign_ext (get_src (sc), 8);
+ put_dest (dc, v);
+ set_sz (v, 16);
+
+ /** 0000 0001 1sss ddd0 dd ss 1011 EXTZ src,dest */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 1);
+ dc = decode_dest23 (ddd, dd, 2);
+ v = get_src (sc);
+ put_dest (dc, v);
+ set_sz (v, 16);
+
+ /** 1101 0011 1110 1dst FCLR dest */
+
+ set_flags (1 << dst, 0);
+
+ /** 1001 1111 FREIT */
+
+ NOTYET();
+
+ /** 1101 0001 1110 1dst FSET dest */
+
+ set_flags (1 << dst, 1 << dst);
+
+ /** 1010 ddd w dd00 1110 INC.size dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ a = get_src (dc);
+ v = a+1;
+ tprintf ("%x ++ = %x\n", a, v);
+ set_sz (v, w+1);
+ put_dest (dc, v);
+
+ /** 1000 sss0 ss0w 0011 INDEXB.size src */
+ INDEXOP(1, 1, 1);
+ /** 1010 sss0 ss0w 0011 INDEXBD.size src */
+ INDEXOP(1, 0, 1);
+ /** 1100 sss0 ss0w 0011 INDEXBS.size src */
+ INDEXOP(1, 1, 0);
+ /** 1001 sss0 ss1w 0011 INDEXL.size src */
+ INDEXOP(4, 1, 1);
+ /** 1011 sss0 ss1w 0011 INDEXLD.size src */
+ INDEXOP(4, 0, 1);
+ /** 1001 sss0 ss0w 0011 INDEXLS.size src */
+ INDEXOP(4, 1, 0);
+ /** 1000 sss0 ss1w 0011 INDEXW.size src */
+ INDEXOP(2, 1, 1);
+ /** 1010 sss0 ss1w 0011 INDEXWD.size src */
+ INDEXOP(2, 0, 1);
+ /** 1100 sss0 ss1w 0011 INDEXWS.size src */
+ INDEXOP(2, 1, 0);
+
+ /** 1011 1110 vector00 INT #IMM */
+
+ prefix (0, 0, 0);
+ trigger_based_interrupt (vector);
+
+ /** 1011 1111 INTO */
+
+ prefix (0, 0, 0);
+ if (FLAG_O)
+ trigger_fixed_interrupt (0xffffe0);
+
+ /** 1ccc 101c Jcnd label */
+
+ prefix (0, 0, 0);
+ v = sign_ext (IMM(1), 8);
+ if (condition_true (ccc*2+c))
+ put_reg (pc, orig_pc + 1 + v);
+
+ /** 01dd 101d JMP.S label */
+
+ prefix (0, 0, 0);
+ put_reg (pc, orig_pc + (dd*2+d) + 2);
+
+ /** 1011 1011 JMP.B label */
+
+ prefix (0, 0, 0);
+ imm = sign_ext (IMM(1), 8);
+ if (imm == -1)
+ {
+ if (verbose)
+ printf("[jmp-to-self detected as exit]\n");
+ return M32C_MAKE_HIT_BREAK ();
+ }
+ put_reg (pc, orig_pc + 1 + imm);
+
+ /** 1100 1110 JMP.W label */
+
+ prefix (0, 0, 0);
+ imm = sign_ext (IMM(2), 16);
+ put_reg (pc, orig_pc + 1 + imm);
+
+ /** 1100 1100 JMP.A label */
+
+ prefix (0, 0, 0);
+ imm = IMM(3);
+ put_reg (pc, imm);
+
+ /** 1100 sss1 ss00 1111 JMPI.W src */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 2);
+ a = get_src (sc);
+ a = sign_ext (a, 16);
+ put_reg (pc, orig_pc + a);
+
+ /** 1000 sss0 ss00 0001 JMPI.A src */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 3);
+ a = get_src (sc);
+ put_reg (pc, a);
+
+ /** 1101 1100 JMPS #IMM8 */
+
+ prefix (0, 0, 0);
+ imm = IMM(1);
+ a = 0xff0000 + mem_get_hi (0xfffe00 - imm * 2);
+ put_reg (pc, a);
+
+ /** 1100 1111 JSR.W label */
+
+ prefix (0, 0, 0);
+ imm = sign_ext (IMM(2), 16);
+ put_reg (sp, get_reg (sp) - 4);
+ mem_put_si (get_reg (sp), get_reg (pc));
+ put_reg (pc, orig_pc + imm + 1);
+
+ /** 1100 1101 JSR.A label */
+
+ prefix (0, 0, 0);
+ imm = IMM(3);
+ put_reg (sp, get_reg (sp) - 4);
+ mem_put_si (get_reg (sp), get_reg (pc));
+ put_reg (pc, imm);
+
+ /** 1100 sss1 ss01 1111 JSRI.W src */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 2);
+ a = get_src (sc);
+ a = sign_ext (a, 16);
+ put_reg (sp, get_reg (sp) - 4);
+ mem_put_si (get_reg (sp), get_reg (pc));
+ put_reg (pc, orig_pc + a);
+
+ /** 1001 sss0 ss00 0001 JSRI.A src */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 3);
+ a = get_src (sc);
+ put_reg (sp, get_reg (sp) - 4);
+ mem_put_si (get_reg (sp), get_reg (pc));
+ put_reg (pc, a);
+
+ /** 1101 1101 JSRS #IMM8 */
+
+ prefix (0, 0, 0);
+ imm = IMM(1);
+ a = 0xff0000 + mem_get_hi (0xfffe00 - imm * 2);
+ put_reg (sp, get_reg (sp) - 4);
+ mem_put_si (get_reg (sp), get_reg (pc));
+ put_reg (pc, a);
+
+ /** 1101 0101 1010 1dst LDC #IMM16,dest */
+
+ imm = IMM(2);
+ dc = decode_cr_b (dst, CR_B_DCT0);
+ put_dest (dc, imm);
+
+ /** 1101 0101 0010 1dst LDC #IMM24,dest */
+
+ imm = IMM(3);
+ dc = decode_cr_b (dst, CR_B_INTB);
+ put_dest (dc, imm);
+
+ /** 1101 0101 0110 1dst LDC #IMM24,dest */
+
+ imm = IMM(3);
+ dc = decode_cr_b (dst, CR_B_DMA0);
+ put_dest (dc, imm);
+
+ /** 0000 0001 1101 sss1 ss00 1dst LDC src,dest */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 2);
+ dc = decode_cr_b (dst, CR_B_DCT0);
+ a = get_src (sc);
+ put_dest (dc, a);
+
+ /** 1101 sss1 ss00 0dst LDC src,dest */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 3);
+ dc = decode_cr_b (dst, CR_B_INTB);
+ a = get_src (sc);
+ put_dest (dc, a);
+
+ /** 0000 0001 1101 sss1 ss00 0dst LDC src,dest */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 3);
+ dc = decode_cr_b (dst, CR_B_DMA0);
+ a = get_src (sc);
+ put_dest (dc, a);
+
+ /** 1011 0110 1100 0011 LDCTX */
+
+ NOTYET();
+
+ /** 1101 0101 1110 1imm LDIPL #IMM */
+
+ set_flags (0x7000, imm*0x1000);
+
+ /** 0000 0001 1000 ddd w dd11 1111 MAX.size #IMM,dest */
+
+ prefix (0, 0, 0);
+ w++;
+ dc = decode_dest23 (ddd, dd, w);
+ imm = sign_ext (IMM(w), w*8);
+ a = sign_ext (get_src (dc), w*8);
+ tprintf ("max %d %d\n", imm, a);
+ if (imm > a)
+ put_dest (dc, imm);
+
+ /** 0000 0001 1sss ddd w dd ss 1101 MAX.size src,dest */
+
+ prefix (0, 0, 0);
+ w++;
+ sc = decode_src23 (sss, ss, w);
+ dc = decode_dest23 (ddd, dd, w);
+ b = sign_ext (get_src (sc), w*8);
+ a = sign_ext (get_src (dc), w*8);
+ tprintf ("max %d %d\n", b, a);
+ if (b > a)
+ put_dest (dc, b);
+
+ /** 0000 0001 1000 ddd w dd10 1111 MIN.size #IMM,dest */
+
+ prefix (0, 0, 0);
+ w++;
+ dc = decode_dest23 (ddd, dd, w);
+ imm = sign_ext (IMM(w), w*8);
+ a = sign_ext (get_src (dc), w*8);
+ tprintf ("min %d %d\n", imm, a);
+ if (imm < a)
+ put_dest (dc, imm);
+
+ /** 0000 0001 1sss ddd w dd ss 1100 MIN.size src,dest */
+
+ prefix (0, 0, 0);
+ w++;
+ sc = decode_src23 (sss, ss, w);
+ dc = decode_dest23 (ddd, dd, w);
+ b = sign_ext (get_src (sc), w*8);
+ a = sign_ext (get_src (dc), w*8);
+ tprintf ("min %d %d\n", b, a);
+ if (b < a)
+ put_dest (dc, b);
+
+ /** 1001 ddd w dd10 1111 MOV.size:G #IMM,dest */
+
+ dc = decode_dest23 (ddd, dd, w+1);
+ imm = IMM(w+1);
+ v = imm;
+ tprintf("%x = %x\n", v, v);
+ set_sz(v, w+1);
+ put_dest (dc, v);
+
+ /** 1011 ddd0 dd11 0001 MOV.L:G #IMM,dest */
+
+ dc = decode_dest23 (ddd, dd, 4);
+ imm = IMM(4);
+ v = imm;
+ tprintf("%x = %x\n", v, v);
+ set_sz(v, 4);
+ put_dest (dc, v);
+
+ /** 1111 ddd w dd10 immm MOV.size:Q #IMM4,dest */
+
+ dc = decode_dest23 (ddd, dd, w+1);
+ imm = sign_ext (immm, 4);
+ v = imm;
+ tprintf("%x = %d\n", v, v);
+ set_sz(v, w+1);
+ put_dest (dc, v);
+
+ /** 00dd 010w MOV.size:S #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest2 (dd, w+1);
+ imm = IMM(w+1);
+ put_dest (dc, imm);
+ set_sz (imm, w+1);
+
+ /** 10w1 110d MOV.size:S #IMM,a0/a1 */
+
+ imm = IMM(w ? 3 : 2);
+ put_reg (d ? a1 : a0, imm);
+ set_sz (imm & addr_mask, w+1);
+
+ /** 00dd 001w MOV.size:Z #0,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest2 (dd, w+1);
+ put_dest (dc, 0);
+ set_sz (0, w+1);
+
+ /** 1sss ddd w dd ss 1011 MOV.size:G src,dest */
+
+ prefix (1, 1, 0);
+ sc = decode_src23 (sss, ss, w+1);
+ dc = decode_dest23 (ddd, dd, w+1);
+ v = get_src (sc);
+ put_dest (dc, v);
+ set_sz (v, w+1);
+
+ /** 1sss ddd1 dd ss 0011 MOV.L:G src,dest */
+
+ prefix (1, 1, 0);
+ sc = decode_src23 (sss, ss, 4);
+ dc = decode_dest23 (ddd, dd, 4);
+ v = get_src (sc);
+ put_dest (dc, v);
+ set_sz (v, 4);
+
+ /** VARY SS 01 10 11 */
+ /** 00SS 100w MOV.size:S src,R0L/R0 */
+
+ prefix (0, 1, 0);
+ sc = decode_dest2 (SS, w+1);
+ v = get_src (sc);
+ put_reg (w ? r0 : r0l, v);
+ set_sz (v, w+1);
+
+ /** 01ss 111w MOV.size:S src,R1L/R1 */
+
+ prefix (0, 1, 0);
+ sc = decode_dest2 (ss, w+1);
+ v = get_src (sc);
+ put_reg (w ? r1 : r1l, v);
+ set_sz (v, w+1);
+
+ /** VARY DD 01 10 11 */
+ /** 00DD 000w MOV.size:S R0L/R0,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest2 (DD, w+1);
+ v = get_reg (w ? r0 : r0l);
+ put_dest (dc, v);
+ set_sz (v, w+1);
+
+ /** 01ss 100d MOV.L:S src,A0/A1 */
+
+ prefix (0, 1, 0);
+ sc = decode_dest2 (ss, 4);
+ v = get_src (sc);
+ put_reg (d ? a1 : a0, v);
+ set_sz (v, 4);
+
+ /** 1011 ddd w dd00 1111 MOV.size:G dsp:8[SP], dest */
+
+ prefix (0, 0, 0);
+ imm = IMM(1);
+ dc = decode_dest23 (ddd, dd, w+1);
+ a = get_reg (sp) + sign_ext (imm, 8);
+ a &= addr_mask;
+ if (w)
+ v = mem_get_hi (a);
+ else
+ v = mem_get_qi (a);
+ put_dest (dc, v);
+ set_sz (v, w+1);
+
+ /** 1010 sss w ss00 1111 MOV.size:G src,dsp:8[SP] */
+
+ prefix (0, 0, 0);
+ sc = decode_dest23 (sss, ss, w+1);
+ imm = IMM(1);
+ a = get_reg (sp) + sign_ext (imm, 8);
+ a &= addr_mask;
+ v = get_src (sc);
+ if (w)
+ mem_put_hi (a, v);
+ else
+ mem_put_qi (a, v);
+ set_sz (v, w+1);
+
+ /** 1101 sss1 ss01 1dst MOVA src,dest */
+
+ static reg_id map[8] = { r2r0, r3r1, a0, a1 };
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 1);
+ if (!sc.mem || !map[dst])
+ UNSUPPORTED();
+ put_reg (map[dst], sc.u.addr);
+
+ /** 0000 0001 1011 ddd0 dd hl 1110 MOVdir R0L,dest */
+
+ prefix (0, 0, 0);
+ dc = decode_dest23 (ddd, dd, 1);
+ a = get_src (dc);
+ b = get_reg (r0l);
+ switch (hl)
+ {
+ case 0: a = (a & 0xf0) | (b & 0x0f); break;
+ case 1: a = (a & 0xf0) | ((b>>4) & 0x0f); break;
+ case 2: a = (a & 0x0f) | ((b & 0x0f)<<4); break;
+ case 3: a = (a & 0x0f) | (b & 0xf0); break;
+ }
+ put_dest (dc, a);
+
+ /** 0000 0001 1010 sss0 ss hl 1110 MOVdir src,R0L */
+
+ prefix (0, 0, 0);
+ sc = decode_dest23 (sss, ss, 1);
+ a = get_reg (r0l);
+ b = get_src (dc);
+ switch (hl)
+ {
+ case 0: a = (a & 0xf0) | (b & 0x0f); break;
+ case 1: a = (a & 0xf0) | ((b>>4) & 0x0f); break;
+ case 2: a = (a & 0x0f) | ((b & 0x0f)<<4); break;
+ case 3: a = (a & 0x0f) | (b & 0xf0); break;
+ }
+ put_reg (r0l, a);
+
+ /** 1011 ddd0 dd01 0001 MOVX #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, 4);
+ imm = sign_ext (IMM(1), 8);
+ put_dest (dc, imm);
+ set_sz (imm, 1);
+
+ /** 1000 ddd w dd01 1111 MUL.size #IMM,dest */
+
+ prefix (0, 1, 0);
+ w ++;
+ dc = decode_dest23 (ddd, dd, w);
+ v = sign_ext (get_src (dc), w*8);
+ imm = sign_ext (IMM(w), w*8);
+ tprintf("%d * %d = %d\n", v, imm, v*imm);
+ v *= imm;
+ dc = widen_sd (dc);
+ put_dest (dc, v);
+
+ /** 1sss ddd w dd ss 1100 MUL.size src,dest */
+
+ prefix (1, 1, 0);
+ w ++;
+ sc = decode_src23 (sss, ss, w);
+ dc = decode_dest23 (ddd, dd, w);
+ a = sign_ext (get_src (sc), w*8);
+ b = sign_ext (get_src (dc), w*8);
+ tprintf("%d * %d = %d\n", a, b, a*b);
+ v = a * b;
+ dc = widen_sd (dc);
+ put_dest (dc, v);
+
+ /** 0000 0001 1000 sss1 ss01 1111 MUL.L src,R2R0 */
+
+ M32C_ONLY();
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 4);
+ a = sign_ext (get_src (sc), 32);
+ b = sign_ext (get_reg (r2r0), 32);
+ ll = (long long)a * (long long)b;
+ tprintf("%d * %d = %lld (%llx)\n", a, b, ll, ll);
+ if (ll < b2minsigned[4] || ll > b2maxsigned[4])
+ set_flags (FLAGBIT_O, FLAGBIT_O);
+ else
+ set_flags (FLAGBIT_O, 0);
+ put_reg (r2r0, (int)ll);
+
+ /** 1100 sss1 ss11 1110 MULEX src */
+
+ prefix (0, 1, 0);
+ sc = decode_dest23 (sss, ss, 2);
+ a = sign_ext (get_src (sc), 16);
+ b = sign_ext (get_reg (r2r0), 32);
+ ll = (long long)a * (long long)b;
+ tprintf("%d * %d = %lld (%llx)\n", a, b, ll, ll);
+ put_reg (r2r0, (int)ll);
+ put_reg (r1, (int)(ll >> 32));
+
+ /** 1000 ddd w dd00 1111 MULU.size #IMM,dest */
+
+ prefix (0, 1, 0);
+ w ++;
+ dc = decode_dest23 (ddd, dd, w);
+ v = get_src (dc);
+ imm = IMM(w);
+ tprintf("%d * %d = %d\n", v, imm, v*imm);
+ v *= imm;
+ dc = widen_sd (dc);
+ put_dest (dc, v);
+
+ /** 1sss ddd w dd ss 0100 MULU.size src,dest */
+
+ prefix (1, 1, 0);
+ w ++;
+ sc = decode_src23 (sss, ss, w);
+ dc = decode_dest23 (ddd, dd, w);
+ a = get_src (sc);
+ b = get_src (dc);
+ tprintf("%d * %d = %d\n", a, b, a*b);
+ v = a * b;
+ dc = widen_sd (dc);
+ put_dest (dc, v);
+
+ /** 0000 0001 1000 sss1 ss00 1111 MULU.L src,R2R0 */
+
+ M32C_ONLY();
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, 4);
+ a = get_src (sc);
+ b = get_reg (r2r0);
+ ll = (long long)a * (long long)b;
+ tprintf("%d * %d = %lld (%llx)\n", a, b, ll, ll);
+ if (ll < b2minsigned[4] || ll > b2maxsigned[4])
+ set_flags (FLAGBIT_O, FLAGBIT_O);
+ else
+ set_flags (FLAGBIT_O, 0);
+ put_reg (r2r0, (int)ll);
+
+ /** 1010 ddd w dd10 1111 NEG.size dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ a = sign_ext (get_src (dc), (w+1)*8);
+ v = -a;
+ tprintf("%d * -1 = %d\n", a, v);
+ set_oszc(v, w+1, v==0);
+ put_dest (dc, v);
+
+ /** 1101 1110 NOP */
+
+ tprintf("nop\n");
+
+ /** 1010 ddd w dd01 1110 NOT.size dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ a = get_src (dc);
+ v = ~a;
+ tprintf("~ %x = %x\n", a, v);
+ set_sz(v, w+1);
+ put_dest (dc, v);
+
+ /** 1000 ddd w dd10 1111 OR.size:G #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23(ddd, dd, w+1);
+ imm = IMM(w+1);
+ LOGIC_OP (dc, imm, |);
+
+ /** 01dd 010w OR.size:S #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest2(dd, w+1);
+ imm = IMM (w+1);
+ LOGIC_OP (dc, imm, |);
+
+ /** 1sss ddd w dd ss 0101 OR.size:G src,dest */
+
+ prefix (1, 1, 0);
+ sc = decode_src23(sss, ss, w+1);
+ dc = decode_dest23(ddd, dd, w+1);
+ b = get_src (sc);
+ LOGIC_OP (dc, b, |);
+
+ /** 1011 ddd w dd10 1111 POP.size dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ if (w)
+ a = mem_get_hi (get_reg (sp));
+ else
+ a = mem_get_qi (get_reg (sp));
+ put_reg (sp, get_reg (sp) + 2);
+ tprintf("pop%s: %x\n", w ? "hi" : "qi", a);
+ put_dest (dc, a);
+
+ /** 1101 0011 1010 1dst POPC dest */
+
+ prefix (0, 0, 0);
+ dc = decode_cr_b (dst, CR_B_DCT0);
+ a = mem_get_hi (get_reg (sp));
+ put_reg (sp, get_reg (sp) + 2);
+ tprintf("pophi: %x\n", a);
+ put_dest (dc, a);
+
+ /** 1101 0011 0010 1dst POPC dest */
+
+ prefix (0, 0, 0);
+ dc = decode_cr_b (dst, CR_B_INTB);
+ a = mem_get_si (get_reg (sp));
+ put_reg (sp, get_reg (sp) + 4);
+ tprintf("popsi: %x\n", a);
+ put_dest (dc, a);
+
+ /** 1000 1110 POPM dest */
+
+ static int map[] = { r0, r1, r2, r3, a0, a1, sb, fb };
+ prefix (0, 0, 0);
+ imm = IMM(1);
+ tprintf("popm: %x\n", imm);
+ for (a=0; a<4; a++)
+ if (imm & (1<<a))
+ {
+ v = mem_get_hi (get_reg (sp));
+ put_reg (map[a], v);
+ put_reg (sp, get_reg (sp) + 2);
+ }
+ for (; a<8; a++)
+ if (imm & (1<<a))
+ {
+ v = mem_get_si (get_reg (sp));
+ put_reg (map[a], v);
+ put_reg (sp, get_reg (sp) + 4);
+ }
+
+ /** 1010 111w PUSH.size #IMM */
+
+ prefix (0, 0, 0);
+ imm = IMM(w+1);
+ tprintf("push%s: %x\n", w ? "hi" : "qi", imm);
+ int a = get_reg (sp) - 2;
+ if (w)
+ mem_put_hi (a, imm);
+ else
+ mem_put_qi (a, imm);
+ put_reg (sp, a);
+
+ /** 1100 sss w ss00 1110 PUSH.size src */
+
+ prefix (0, 1, 0);
+ sc = decode_dest23 (sss, ss, w+1);
+ a = get_src (sc);
+ put_reg (sp, get_reg (sp) - 2);
+ if (w)
+ mem_put_hi (get_reg (sp), a);
+ else
+ mem_put_qi (get_reg (sp), a);
+ tprintf("push%s: %x\n", w ? "hi" : "qi", a);
+
+ /** 1011 0110 0101 0011 PUSH.L #IMM32 */
+
+ imm = IMM(4);
+ put_reg (sp, get_reg (sp) - 4);
+ mem_put_si (get_reg (sp), imm);
+
+ /** 1010 sss0 ss00 0001 PUSH.L src */
+
+ prefix (0, 1, 0);
+ sc = decode_dest23 (sss, ss, 4);
+ a = get_src (sc);
+ put_reg (sp, get_reg (sp) - 4);
+ mem_put_si (get_reg (sp), a);
+
+ /** 1011 0sa0 ss00 0001 PUSHA src */
+
+ prefix (0, 0, 0);
+ sc = decode_dest23 (sa, ss, 1);
+ put_reg (sp, get_reg (sp) - 4);
+ mem_put_hi (get_reg (sp), sc.u.addr);
+ tprintf("pushsi: %x\n", sc.u.addr);
+
+ /** 1101 0001 1010 1src PUSHC src */
+
+ prefix (0, 0, 0);
+ sc = decode_cr_b (src, CR_B_DCT0);
+ a = get_src (sc);
+ put_reg (sp, get_reg (sp) - 2);
+ mem_put_hi (get_reg (sp), a);
+ tprintf("pushhi: %x\n", a);
+
+ /** 1101 0001 0010 1src PUSHC src */
+
+ prefix (0, 0, 0);
+ sc = decode_cr_b (src, CR_B_INTB);
+ a = get_src (sc);
+ put_reg (sp, get_reg (sp) - 4);
+ mem_put_si (get_reg (sp), a);
+ tprintf("pushsi: %x\n", a);
+
+ /** 1000 1111 PUSHM src */
+
+ static int map[] = { fb, sb, a1, a0, r3, r2, r1, r0 };
+ imm = IMM(1);
+ tprintf("pushm: %x\n", imm);
+ for (a=0; a<4; a++)
+ if (imm & (1<<a))
+ {
+ put_reg (sp, get_reg (sp) - 4);
+ v = get_reg (map[a]);
+ mem_put_si (get_reg (sp), v);
+ }
+ for (; a<8; a++)
+ if (imm & (1<<a))
+ {
+ put_reg (sp, get_reg (sp) - 2);
+ v = get_reg (map[a]);
+ mem_put_hi (get_reg (sp), v);
+ }
+
+ /** 1001 1110 REIT */
+
+ a = get_reg (sp);
+ put_reg (pc, mem_get_si (a));
+ a += 4;
+ put_reg (flags, mem_get_hi (a));
+ a += 2;
+ put_reg (sp, a);
+
+ /** 1011 1000 010w 0011 RMPA.size */
+
+ int count = get_reg (r3);
+ int list1 = get_reg (a0);
+ int list2 = get_reg (a1);
+ long long sum = get_reg_ll (r3r1r2r0) & 0xffffff;
+
+ while (count)
+ {
+ if (w)
+ {
+ a = sign_ext (mem_get_hi (list1), 16);
+ b = sign_ext (mem_get_hi (list2), 16);
+ }
+ else
+ {
+ a = sign_ext (mem_get_qi (list1), 8);
+ b = sign_ext (mem_get_qi (list2), 8);
+ }
+ tprintf("%lld + %d * %d = ", sum, a, b);
+ sum += a * b;
+ tprintf("%lld\n", sum);
+ list1 += w ? 2 : 1;
+ list2 += w ? 2 : 1;
+ count --;
+ }
+ put_reg (r3, count);
+ put_reg (a0, list1);
+ put_reg (a1, list2);
+ put_reg (r2r0, (int)(sum & 0xffffffffU));
+ put_reg (r1, (int)(sum >> 32));
+
+ /** 1011 ddd w dd10 1110 ROLC.size dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ rot_op (dc, 1, 1);
+
+ /** 1010 ddd w dd10 1110 RORC.size dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ rot_op (dc, 1, -1);
+
+ /** 1110 ddd w dd10 immm ROT.size #IMM, dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ rot_op (dc, IMM4(), -1);
+
+ /** 1010 ddd w dd11 1111 ROT.size R1H,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ a = sign_ext (get_reg (r1h), 8);
+ rot_op (dc, a, -1);
+
+ /** 1101 1111 RTS */
+
+ put_reg (pc, mem_get_si (get_reg (sp)));
+ put_reg (sp, get_reg (sp) + 4);
+
+ /** 0000 0001 1001 ddd w dd10 1110 SBB.size #IMM, dest */
+
+ prefix (0, 0, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ imm = IMM (w+1);
+ MATH_OP (dc, imm, !carry, -);
+
+ /** 0000 0001 1sss ddd w dd ss 0110 SBB.size src,dest */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, w+1);
+ dc = decode_dest23 (ddd, dd, w+1);
+ MATH_OP (dc, get_src (sc), !carry, -);
+
+ /** 1101 ddd1 dd11 cond SCcond dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, 2);
+ if (condition_true (cond))
+ put_dest (dc, 1);
+ else
+ put_dest (dc, 0);
+
+ /** 1011 1000 110w 0011 SCMPU.size */
+
+ ta0 = get_reg (a0);
+ ta1 = get_reg (a1);
+
+ for (;;)
+ {
+ t0 = mem_get_qi (ta0);
+ t2 = mem_get_qi (ta1);
+ if (w)
+ {
+ t1 = mem_get_qi (ta0 + 1);
+ t3 = mem_get_qi (ta1 + 1);
+ }
+ dif = t0 - t2;
+ if (dif == 0 && t0 != 0 && w)
+ dif = t1 - t3;
+ set_oszc (dif, 1, dif > 0);
+
+ ta0 += w ? 2 : 1;
+ ta1 += w ? 2 : 1;
+
+ if (t0 == 0 || t0 != t2)
+ break;
+ if (w && (t1 == 0 || t1 != t3))
+ break;
+ }
+
+ /** 1111 ddd w dd00 immm SHA.size #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ shift_op (dc, 1, IMM4(), 1);
+
+ /** 1010 ddd0 dd10 0001 SHA.L #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, 4);
+ imm = sign_ext (IMM(1), 8);
+ shift_op (dc, 1, imm, 1);
+
+ /** 1011 ddd w dd11 1110 SHA.size R1H,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ a = sign_ext (get_reg (r1h), 8);
+ shift_op (dc, 1, a, 1);
+
+ /** 1100 ddd0 dd01 0001 SHA.L R1H,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, 4);
+ a = sign_ext (get_reg (r1h), 8);
+ shift_op (dc, 1, a, 1);
+
+ /** 1100 ddd0 dd10 0001 SHANC.L #IMM,dest */
+
+ M32C_ONLY();
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, 4);
+ imm = sign_ext (IMM(1), 8);
+ shift_op (dc, 1, imm, 0);
+
+ /** 1110 ddd w dd00 immm SHL.size #IMM, dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ shift_op (dc, 0, IMM4(), 1);
+
+ /** 1001 ddd0 dd10 0001 SHL.L #IMM, dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, 4);
+ imm = sign_ext (IMM(1), 8);
+ shift_op (dc, 0, imm, 1);
+
+ /** 1010 ddd w dd11 1110 SHL.size R1H,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ a = sign_ext (get_reg (r1h), 8);
+ shift_op (dc, 0, a, 1);
+
+ /** 1100 ddd0 dd00 0001 SHL.L R1H,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, 4);
+ a = sign_ext (get_reg (r1h), 8);
+ shift_op (dc, 0, a, 1);
+
+ /** 1000 ddd0 dd10 0001 SHLNC.L #IMM,dest */
+
+ M32C_ONLY();
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, 4);
+ imm = sign_ext (IMM(1), 8);
+ shift_op (dc, 0, imm, 0);
+
+ /** 1011 0010 100w 0011 SIN.size */
+
+ v = get_reg (a0);
+ a = get_reg (a1);
+ b = get_reg (r3);
+ if (b) for (;b;)
+ {
+ if (w)
+ mem_put_hi(a, mem_get_hi (v));
+ else
+ mem_put_qi(a, mem_get_qi (v));
+ a += w ? 2 : 1;
+ b --;
+ }
+ put_reg (a0, v);
+ put_reg (a1, a);
+ put_reg (r3, b);
+
+ /** 1011 0110 100w 0011 SMOVB.size */
+
+ v = get_reg (a0);
+ a = get_reg (a1);
+ b = get_reg (r3);
+ if (b) for (;b;)
+ {
+ if (w)
+ mem_put_hi(a, mem_get_hi (v));
+ else
+ mem_put_qi(a, mem_get_qi (v));
+ v -= w ? 2 : 1;
+ a -= w ? 2 : 1;
+ b --;
+ }
+ put_reg (a0, v);
+ put_reg (a1, a);
+ put_reg (r3, b);
+
+ /** 1011 0000 100w 0011 SMOVF.size */
+
+ v = get_reg (a0);
+ a = get_reg (a1);
+ b = get_reg (r3);
+ if (b) for (;b;)
+ {
+ if (w)
+ mem_put_hi(a, mem_get_hi (v));
+ else
+ mem_put_qi(a, mem_get_qi (v));
+ v += w ? 2 : 1;
+ a += w ? 2 : 1;
+ b --;
+ }
+ put_reg (a0, v);
+ put_reg (a1, a);
+ put_reg (r3, b);
+
+ /** 1011 1000 100w 0011 SMOVU.size */
+
+ v = get_reg (a0);
+ a = get_reg (a1);
+ do
+ {
+ if (w)
+ mem_put_hi(a, (t0 = mem_get_hi (v)));
+ else
+ mem_put_qi(a, (t0 = mem_get_qi (v)));
+ v += w ? 2 : 1;
+ a += w ? 2 : 1;
+ if (t0 == 0
+ || (w && ((t0 & 0xff) == 0 || (t0 & 0xff00) == 0)))
+ break;
+ } while (1);
+ put_reg (a0, v);
+ put_reg (a1, a);
+
+ /** 1011 0100 100w 0011 SOUT.size */
+
+ v = get_reg (a0);
+ a = get_reg (a1);
+ b = get_reg (r3);
+ for (;b;)
+ {
+ if (w)
+ mem_put_hi(a, mem_get_hi (v));
+ else
+ mem_put_qi(a, mem_get_qi (v));
+ v += w ? 2 : 1;
+ b --;
+ }
+ put_reg (a0, v);
+ put_reg (a1, a);
+ put_reg (r3, b);
+
+ /** 1011 1000 000w 0011 SSTR.size */
+
+ a = get_reg (a1);
+ b = get_reg (r3);
+ for (;b;)
+ {
+ if (w)
+ mem_put_hi(a, r0);
+ else
+ mem_put_qi(a, r0 & 0xff);
+ a += w ? 2 : 1;
+ b --;
+ }
+ put_reg (a1, a);
+ put_reg (r3, b);
+
+ /** 0000 0001 1101 ddd1 dd01 0src STC src,dest */
+
+ prefix (0, 0, 0);
+ dc = decode_dest23 (ddd, dd, 4);
+ sc = decode_cr_b (src, CR_B_DMA0);
+ a = get_src (sc);
+ put_dest (dc, a);
+
+ /** 0000 0001 1101 ddd1 dd01 1src STC src,dest */
+
+ prefix (0, 0, 0);
+ dc = decode_dest23 (ddd, dd, 2);
+ sc = decode_cr_b (src, CR_B_DCT0);
+ a = get_src (sc);
+ put_dest (dc, a);
+
+ /** 1101 ddd1 dd01 0src STC src,dest */
+
+ prefix (0, 0, 0);
+ dc = decode_dest23 (ddd, dd, 4);
+ sc = decode_cr_b (src, CR_B_INTB);
+ a = get_src (sc);
+ put_dest (dc, a);
+
+ /** 1011 0110 1101 0011 STCX abs16,abs24 */
+
+ NOTYET();
+
+ /** 1001 ddd w dd01 1111 STNZ.size #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ imm = IMM(w+1);
+ if (! FLAG_Z)
+ put_dest (dc, imm);
+
+ /** 1001 ddd w dd00 1111 STZ.size #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ imm = IMM(w+1);
+ if (FLAG_Z)
+ put_dest (dc, imm);
+
+ /** 1001 ddd w dd11 1111 STZX.size #IMM1,#IMM2,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ a = IMM(w+1);
+ b = IMM(w+1);
+ if (FLAG_Z)
+ put_dest (dc, a);
+ else
+ put_dest (dc, b);
+
+ /** 1000 ddd w dd11 1110 SUB.size:G #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23(ddd, dd, w+1);
+ imm = IMM(w+1);
+ MATH_OP (dc, imm, 0, -);
+
+ /** 1001 ddd0 dd11 0001 SUB.L:G #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23(ddd, dd, 4);
+ imm = IMM(4);
+ MATH_OP (dc, imm, 0, -);
+
+ /** 00dd 111w SUB.size:S #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest2(dd, w+1);
+ imm = IMM (w+1);
+ MATH_OP (dc, imm, 0, -);
+
+ /** 1sss ddd w dd ss 1010 SUB.size:G src,dest */
+
+ prefix (1, 1, 0);
+ sc = decode_src23(sss, ss, w+1);
+ dc = decode_dest23(ddd, dd, w+1);
+ b = get_src (sc);
+ MATH_OP (dc, b, 0, -);
+
+ /** 1sss ddd1 dd ss 0000 SUB.L:G src,dest */
+
+ prefix (1, 1, 0);
+ sc = decode_src23(sss, ss, 4);
+ dc = decode_dest23(ddd, dd, 4);
+ b = get_src (sc);
+ MATH_OP (dc, b, 0, -);
+
+ /** 1001 ddd0 dd01 0001 SUBX #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23(ddd, dd, 4);
+ imm = sign_ext (IMM(1), 8);
+ MATH_OP (dc, imm, 0, -);
+
+ /** 1sss ddd0 dd ss 0000 SUBX src,dest */
+
+ prefix (1, 1, 0);
+ sc = decode_src23(sss, ss, 1);
+ dc = decode_dest23(ddd, dd, 4);
+ b = sign_ext (get_src (sc), 8);
+ MATH_OP (dc, b, 0, -);
+
+ /** 1001 ddd w dd11 1110 TST.size:G #IMM,dest */
+
+ prefix (0, 0, 0);
+ dc = decode_dest23 (ddd, dd, w+1);
+ imm = IMM(w+1);
+ a = get_src (dc);
+ v = a & imm;
+ set_sz (v, w+1);
+
+ /** 00dd 110w TST.size:S #IMM,dest */
+
+ prefix (0, 0, 0);
+ dc = decode_dest2 (dd, w+1);
+ imm = IMM(w+1);
+ a = get_src (dc);
+ v = a & imm;
+ set_sz (v, w+1);
+
+ /** 0000 0001 1sss ddd w dd ss 1001 TST.size:G src,dest */
+
+ prefix (0, 0, 0);
+ sc = decode_src23 (sss, ss, w+1);
+ dc = decode_dest23 (ddd, dd, w+1);
+ b = get_src (sc);
+ a = get_src (dc);
+ v = a & b;
+ set_sz (v, w+1);
+
+ /** 1111 1111 UND */
+
+ trigger_fixed_interrupt (0xffffdc);
+
+ /** 1011 0010 0000 0011 WAIT */
+
+ ;
+
+ /** 1101 ddd w dd00 1src XCHG.size src,dest */
+
+ dc = decode_dest23 (ddd, dd, w+1);
+ sc = decode_src3 (src, w+1);
+ a = get_src (dc);
+ b = get_src (sc);
+ put_dest (dc, b);
+ put_dest (sc, a);
+
+ /** 1001 ddd w dd00 1110 XOR.size #IMM,dest */
+
+ prefix (0, 1, 0);
+ dc = decode_dest23(ddd, dd, w+1);
+ imm = IMM(w+1);
+ LOGIC_OP (dc, imm, ^);
+
+ /** 1sss ddd w dd ss 1001 XOR.size src,dest */
+
+ prefix (1, 1, 0);
+ sc = decode_src23(sss, ss, w+1);
+ dc = decode_dest23(ddd, dd, w+1);
+ b = get_src (sc);
+ LOGIC_OP (dc, b, ^);
+
+/** */
+
+ return step_result;
+}
generated by cgit v1.1 at 2024-12-12 23:38:40 +0000