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2142 lines
46 KiB
C
2142 lines
46 KiB
C
/* m32c.opc --- semantics for m32c opcodes. -*- mode: c -*-
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Copyright (C) 2005-2017 Free Software Foundation, Inc.
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Contributed by Red Hat, Inc.
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This file is part of the GNU simulators.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <stdio.h>
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#include <stdlib.h>
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#include "cpu.h"
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#include "mem.h"
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#include "misc.h"
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#include "int.h"
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#define AU __attribute__((unused))
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#define tprintf if (trace) printf
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static unsigned char
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getbyte (void)
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{
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int tsave = trace;
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unsigned char b;
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if (trace == 1)
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trace = 0;
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b = mem_get_pc ();
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regs.r_pc ++;
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trace = tsave;
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return b;
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}
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#define M32C_ONLY() /* FIXME: add something here */
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#define GETBYTE() (op[opi++] = getbyte())
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#define UNSUPPORTED() unsupported("unsupported", m32c_opcode_pc)
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#define NOTYET() unsupported("unimplemented", m32c_opcode_pc)
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static void
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unsupported (char *tag, int orig_pc)
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{
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int i;
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printf("%s opcode at %08x\n", tag, orig_pc);
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regs.r_pc = orig_pc;
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for (i=0; i<2; i++)
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{
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int b = mem_get_pc();
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printf(" %s", bits(b>>4, 4));
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printf(" %s", bits(b, 4));
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regs.r_pc ++;
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}
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printf("\n");
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regs.r_pc = orig_pc;
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for (i=0; i<6; i++)
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{
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printf(" %02x", mem_get_pc ());
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regs.r_pc ++;
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}
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printf("\n");
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exit(1);
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}
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static int
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IMM(int bytes)
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{
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int rv = 0;
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switch (bytes)
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{
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case 1:
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rv = mem_get_qi (get_reg(pc));
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break;
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case 2:
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rv = mem_get_hi (get_reg(pc));
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break;
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case 3:
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rv = mem_get_psi (get_reg(pc));
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break;
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case 4:
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rv = mem_get_si (get_reg(pc));
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break;
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}
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regs.r_pc += bytes;
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return rv;
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}
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#define IMM4() (immm >= 8 ? 7 - immm : immm + 1)
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#define NO_PREFIX() PREFIX(0,0,0)
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/* Indicate which sorts of prefixes are allowed for the current
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opcode. */
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static void
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prefix (int src_allowed, int dest_allowed, int index_bytewidth)
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{
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/* At the moment, we don't do anything with this information. We
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just wanted to get the information entered in some
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machine-readable form while we were going through all the
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opcodes. */
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}
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#define MATH_OP(dc,s,c,op) \
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{ \
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int ma, mb; \
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ma = get_src(dc); \
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mb = s & b2mask[dc.bytes]; \
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ll = (long long)ma op (long long)mb op c; \
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tprintf("0x%x " #op " 0x%x " #op " 0x%x = 0x%llx\n", ma, mb, c, ll); \
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ma = sign_ext (ma, dc.bytes * 8); \
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mb = sign_ext (s, dc.bytes * 8); \
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v = ma op mb op c; \
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tprintf("%d " #op " %d " #op " %d = %d\n", ma, mb, c, v); \
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set_oszc (v, dc.bytes, (1 op 1) ? (ll > b2mask[dc.bytes]) : (ll >= 0)); \
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put_dest (dc, v); \
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}
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#define LOGIC_OP(dc,s,op) \
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{ \
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int ma, mb; \
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ma = get_src(dc); \
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mb = s & b2mask[dc.bytes]; \
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v = ma op mb; \
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tprintf("0x%x " #op " 0x%x = 0x%x\n", ma, mb, v); \
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set_sz (v, dc.bytes); \
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put_dest (dc, v); \
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}
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#define BIT_OP(dc,bit,expr) \
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b = get_bit2 (dc, bitindex == -1 ? bit : bitindex); \
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v = expr; \
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tprintf ("b=%d, bit=%d, carry=%d, %s = %d\n", \
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b, bitindex == -1 ? bit : bitindex, carry, #expr, v); \
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put_bit2 (dc, bitindex == -1 ? bit : bitindex, v);
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#define BIT_OPC(dc,bit,expr) \
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b = get_bit2 (dc, bitindex == -1 ? bit : bitindex); \
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v = expr; \
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tprintf ("b=%d, bit=%d, carry=%d, %s = %d\n", \
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b, bitindex == -1 ? bit : bitindex, carry, #expr, v); \
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set_c (v);
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#define carry (FLAG_C ? 1 : 0)
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static void
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cmp (int d, int s, int bytes)
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{
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int a, b, f=0;
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a = d - s;
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b = sign_ext (d, bytes*8) - sign_ext (s, bytes*8);
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tprintf ("cmp: %x - %x = %08x, %x - %x = %d\n",
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d, s, a,
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sign_ext(d,bytes*8), sign_ext(s,bytes*8), b);
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if (b == 0)
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f |= FLAGBIT_Z;
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if (b & b2signbit[bytes])
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f |= FLAGBIT_S;
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if ((d & b2mask[bytes]) >= (s & b2mask[bytes]))
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f |= FLAGBIT_C;
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if (b < b2minsigned[bytes] || b > b2maxsigned[bytes])
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f |= FLAGBIT_O;
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set_flags (FLAGBIT_Z | FLAGBIT_S | FLAGBIT_O | FLAGBIT_C, f);
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}
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static void
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dadd_op (int ddd, int dd, int sss, int ss, int imm, int add, int cy, int w)
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{
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srcdest sc, dc;
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int a, b=0, res;
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prefix (0, 0, 0);
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if (!imm)
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{
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sc = decode_src23 (sss, ss, w+1);
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b = get_src (sc);
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}
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dc = decode_dest23 (ddd, dd, w+1);
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a = get_src (dc);
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if (imm)
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b = IMM(w+1);
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a = bcd2int(a, w);
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b = bcd2int(b, w);
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tprintf("decimal: %d %s %d", a, add?"+":"-", b);
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if (cy)
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tprintf(" c=%d", carry);
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if (add)
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{
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res = a + b;
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if (cy)
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res += carry;
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cy = res > (w ? 9999 : 99);
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}
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else
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{
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res = a - b;
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if (cy)
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res -= (1-carry);
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cy = res >= 0;
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if (res < 0)
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res += w ? 10000 : 100;
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}
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res = int2bcd (res, w);
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tprintf(" = %x\n", res);
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set_szc (res, w+1, cy);
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put_dest (dc, res);
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}
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#define DADDV(A,C) dadd_op(ddd, dd, sss, ss, 0, A, C, w)
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#define DADDI(A,C) dadd_op(ddd, dd, 0, 0, 1, A, C, w)
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static void
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div_op (int sss, int ss, int u, int x, int bytes)
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{
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srcdest sc;
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int s, v, a, b;
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if (sss == -1)
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s = IMM(bytes);
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else
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{
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sc = decode_dest23 (sss, ss, bytes);
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s = get_src (sc);
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}
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v = get_reg (bytes > 1 ? r2r0 : r0);
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if (!u)
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{
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/* FIXME? do we sign extend a0/a1 to .L? Docs say zero extend. */
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s = sign_ext (s, bytes*8);
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v = sign_ext (v, bytes*8);
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}
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if (s == 0)
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{
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set_flags (FLAGBIT_O, FLAGBIT_O);
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return;
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}
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if (u)
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{
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a = (unsigned int)v / (unsigned int)s;
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b = (unsigned int)v % (unsigned int)s;
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}
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else
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{
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a = v / s;
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b = v % s;
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}
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if (x)
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{
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if ((s > 0 && b < 0)
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|| (s < 0 && b > 0))
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{
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a --;
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b += s;
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}
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}
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tprintf ("%d / %d = %d rem %d\n", v, s, a, b);
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if ((!u && (a > b2maxsigned[bytes]
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|| a < b2minsigned[bytes]))
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|| (u && (a > b2mask[bytes])))
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set_flags (FLAGBIT_O, FLAGBIT_O);
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else
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set_flags (FLAGBIT_O, 0);
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switch (bytes)
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{
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case 1:
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put_reg (r0l, a);
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put_reg (r0h, b);
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break;
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case 2:
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put_reg (r0, a);
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put_reg (r2, b);
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break;
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case 4:
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put_reg (r2r0, a);
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break;
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}
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}
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static void
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index_op (int sss, int ss, int do_s, int do_d, int scale, int w)
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{
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srcdest sc = decode_src23 (sss, ss, w+1);
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int v = get_src (sc) * scale;
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tprintf("%d = %d * %d, %d %d\n", v, get_src(sc), scale, do_s, do_d);
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decode_index (do_s * v, do_d * v);
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}
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#define INDEXOP(scale,do_s,do_d) \
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index_op (sss, ss, do_s, do_d, scale, w); goto next_opcode
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static void
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rot_op (srcdest sd, int rotc, int count)
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{
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int mask = (sd.bytes == 2) ? 0xffff : 0xff;
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int msb = (sd.bytes == 2) ? 0x8000 : 0x80;
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int v = get_src (sd);
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int c = carry, ct;
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tprintf("%s %x by %d\n", rotc ? "rotc" : "rot", v, count);
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tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
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while (count > 0)
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{
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ct = (v & msb) ? 1 : 0;
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v <<= 1;
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v |= rotc ? c : ct;
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v &= mask;
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c = ct;
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tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
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count --;
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}
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while (count < 0)
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{
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ct = v & 1;
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v >>= 1;
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v |= (rotc ? c : ct) * msb;
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c = ct;
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tprintf (": %s %d\n", bits(v, 8*sd.bytes), c);
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count ++;
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}
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put_dest (sd, v);
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set_szc (v, sd.bytes, c);
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}
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static void
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shift_op (srcdest sd, int arith, int count, int setc)
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{
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int mask = (sd.bytes == 2) ? 0xffff : 0xff;
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int msb = (sd.bytes == 2) ? 0x8000 : 0x80;
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int v = get_src (sd);
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int c = 0;
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int o = 0;
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if (sd.bytes == 4)
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{
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mask = 0xffffffffU;
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msb = 0x80000000U;
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}
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tprintf("%s %x by %d\n", arith ? "sha" : "shl", v, count);
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tprintf (": %s %d %d\n", bits(v, 8*sd.bytes), c, o);
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while (count > 0)
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{
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c = (v & msb) ? 1 : 0;
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v <<= 1;
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v &= mask;
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if (c != ((v & msb) ? 1 : 0))
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o = 1;
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tprintf (": %s %d %d\n", bits(v, 8*sd.bytes), c, o);
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count --;
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}
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while (count < 0)
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{
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c = v & 1;
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if (arith)
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v = (v & msb) | (v >> 1);
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else
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v = (v >> 1) & (msb - 1);
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tprintf (": %s %d %d\n", bits(v, 8*sd.bytes), c, o);
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count ++;
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}
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put_dest (sd, v);
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set_sz (v, sd.bytes);
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if (setc)
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set_c (c);
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set_flags (FLAGBIT_O, o ? FLAGBIT_O : 0);
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}
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static int pcs[16];
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static int ipcs = 0;
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int
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decode_m32c (void)
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{
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unsigned char op[40];
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int opi;
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int v, a, b;
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long long ll;
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srcdest sc, dc;
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int imm;
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int bitindex = -1;
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int t0, t1=0, t2, t3=0;
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int ta0, ta1, dif;
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step_result = M32C_MAKE_STEPPED ();
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decode_indirect (0, 0);
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decode_index (0, 0);
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next_opcode:
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opi = 0;
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m32c_opcode_pc = get_reg (pc);
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tprintf("trace: decode pc = %06x\n", m32c_opcode_pc);
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if (m32c_opcode_pc == 0)
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{
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int i;
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printf("Abort: PC is zero, here from:\n");
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for (i=0; i<4; i++)
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printf(" 0x%06x\n", pcs[(ipcs+15-i)%16]);
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return M32C_MAKE_HIT_BREAK ();
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}
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pcs[ipcs++] = m32c_opcode_pc;
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ipcs %= 16;
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/** VARY sss 000 001 010 011 100 */
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/** VARY ddd 000 001 010 011 100 */
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/** 0000 1001 indirect dest */
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decode_indirect (0, 1);
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goto next_opcode;
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/** 0100 0001 indirect src */
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decode_indirect (1, 0);
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goto next_opcode;
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/** 0100 1001 indirect src and dest */
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decode_indirect (1, 1);
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goto next_opcode;
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/** 1010 ddd w dd01 1111 ABS.size dest */
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prefix (0, 1, 0);
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dc = decode_dest23 (ddd, dd, w+1);
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v = sign_ext (get_src (dc), w?16:8);
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a = v<0 ? -v : v;
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tprintf("abs(%d) = %d\n", v, a);
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set_osz(a, w+1);
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put_dest (dc, a);
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/** 0000 0001 1000 ddd w dd10 1110 ADC.size #IMM,dest */
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prefix (0, 0, 0);
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dc = decode_dest23 (ddd, dd, w+1);
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imm = IMM (w+1);
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MATH_OP (dc, imm, carry, +);
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/** 0000 0001 1sss ddd w dd ss 0100 ADC.size src,dest */
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prefix (0, 0, 0);
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sc = decode_src23 (sss, ss, w+1);
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dc = decode_dest23 (ddd, dd, w+1);
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b = get_src (sc);
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MATH_OP (dc, b, carry, +);
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/** 1011 ddd w dd01 1110 ADCF.size dest */
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prefix (0, 1, 0);
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dc = decode_dest23 (ddd, dd, w+1);
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MATH_OP (dc, 0, carry, +);
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/** 1000 ddd w dd10 1110 ADD.size:G #IMM,dest */
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prefix (0, 1, 0);
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dc = decode_dest23(ddd, dd, w+1);
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imm = IMM(w+1);
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MATH_OP (dc, imm, 0, +);
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/** 1000 ddd0 dd11 0001 ADD.L:G #IMM,dest */
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prefix (0, 1, 0);
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dc = decode_dest23(ddd, dd, 4);
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imm = IMM(4);
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MATH_OP (dc, imm, 0, +);
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/** 111L ddd w dd11 immm ADD.size:Q #IMM,dest */
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prefix (0, 1, 0);
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dc = decode_dest23(ddd, dd, L ? 4 : (w+1));
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imm = sign_ext (immm, 4);
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MATH_OP (dc, imm, 0, +);
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/** 00dd 011w ADD.size:S #IMM,dest */
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prefix (0, 1, 0);
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dc = decode_dest2(dd, w+1);
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imm = IMM (w+1);
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MATH_OP (dc, imm, 0, +);
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/** 10i0 110d ADD.L:S #IMM,A0/A1 */
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prefix (0, 0, 0);
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dc = reg_sd (d ? a1 : a0);
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imm = i ? 2 : 1;
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MATH_OP (dc, imm, 0, +);
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/** 1sss ddd w dd ss 1000 ADD.size:G src,dest */
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prefix (1, 1, 0);
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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, m32c_opcode_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, m32c_opcode_pc);
|
|
if (verbose)
|
|
printf("[break]\n");
|
|
if (in_gdb || (regs.r_intbl == 0 && regs.r_intbh == 0))
|
|
return M32C_MAKE_HIT_BREAK ();
|
|
if (mem_get_qi (0xFFFFE7) == 0xff)
|
|
trigger_based_interrupt (0);
|
|
else
|
|
trigger_fixed_interrupt (0xFFFFE4);
|
|
|
|
/** 1111 1110 GBRK */
|
|
|
|
/* This alternate break, which is not part of the chip's opcode set,
|
|
is here in case you need to debug a program that itself uses the
|
|
chip's BRK opcode. You'll need to modify your copy of GDB to use
|
|
this opcode instead of the real BRK. */
|
|
|
|
/* GDB Break. */
|
|
/* We report the break to our caller with the PC still pointing at the
|
|
breakpoint instruction. */
|
|
put_reg (pc, m32c_opcode_pc);
|
|
if (verbose)
|
|
printf("[gdb break]\n");
|
|
return M32C_MAKE_HIT_BREAK ();
|
|
|
|
/** 0000 1000 BRK2 */
|
|
|
|
if (verbose)
|
|
printf("[break2]\n");
|
|
if (in_gdb)
|
|
return M32C_MAKE_HIT_BREAK ();
|
|
if (mem_get_qi (0xFFFFE7) == 0xff)
|
|
trigger_based_interrupt (0);
|
|
else
|
|
trigger_fixed_interrupt (0xFFFFE4);
|
|
|
|
/** 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, m32c_opcode_pc + 1 + v);
|
|
|
|
/** 01dd 101d JMP.S label */
|
|
|
|
prefix (0, 0, 0);
|
|
put_reg (pc, m32c_opcode_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, m32c_opcode_pc + 1 + imm);
|
|
|
|
/** 1100 1110 JMP.W label */
|
|
|
|
prefix (0, 0, 0);
|
|
imm = sign_ext (IMM(2), 16);
|
|
put_reg (pc, m32c_opcode_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, m32c_opcode_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, m32c_opcode_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, m32c_opcode_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);
|
|
v = get_reg (w ? r0 : r0l);
|
|
for (;b;)
|
|
{
|
|
if (w)
|
|
mem_put_hi(a, v);
|
|
else
|
|
mem_put_qi(a, v);
|
|
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;
|
|
}
|