2449 lines
68 KiB
C
2449 lines
68 KiB
C
#include "config.h"
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#include <signal.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "mn10200_sim.h"
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#include "simops.h"
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#include "targ-vals.h"
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#include "bfd.h"
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/times.h>
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#include <sys/time.h>
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#define REG0(X) ((X) & 0x3)
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#define REG1(X) (((X) & 0xc) >> 2)
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#define REG0_4(X) (((X) & 0x30) >> 4)
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#define REG0_8(X) (((X) & 0x300) >> 8)
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#define REG1_8(X) (((X) & 0xc00) >> 10)
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#define REG0_16(X) (((X) & 0x30000) >> 16)
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#define REG1_16(X) (((X) & 0xc0000) >> 18)
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#define TRUNC(X) ((X) & 0xffffff)
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/* mov imm8, dn */
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void OP_8000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0_8 (insn)] = SEXT8 (insn & 0xff);
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}
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/* mov dn, dm */
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void OP_80 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0 (insn)] = State.regs[REG_D0 + REG1 (insn)];
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}
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/* mov dm, an */
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void OP_F230 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_A0 + REG0 (insn)] = State.regs[REG_D0 + REG1 (insn)];
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}
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/* mov an, dm */
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void OP_F2F0 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0 (insn)] = State.regs[REG_A0 + REG1 (insn)];
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}
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/* mov an, am */
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void OP_F270 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_A0 + REG0 (insn)] = State.regs[REG_A0 + REG1 (insn)];
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}
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/* mov psw, dn */
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void OP_F3F0 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0 (insn)] = PSW & 0xffff;
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}
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/* mov dn, psw */
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void OP_F3D0 (insn, extension)
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unsigned long insn, extension;
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{
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PSW = State.regs[REG_D0 + REG1 (insn)] & 0xffff ;
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}
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/* mov mdr, dn */
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void OP_F3E0 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0 (insn)] = State.regs[REG_MDR] & 0xffff;
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}
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/* mov dn, mdr */
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void OP_F3C0 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_MDR] = State.regs[REG_D0 + REG1 (insn)] & 0xffff;
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}
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/* mov (an), dm */
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void OP_20 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0 (insn)]
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= SEXT16 (load_half (State.regs[REG_A0 + REG1 (insn)]));
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}
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/* mov (d8,an), dm */
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void OP_6000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0_8 (insn)]
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= SEXT16 (load_half ((State.regs[REG_A0 + REG1_8 (insn)]
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+ SEXT8 (insn & 0xff))));
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}
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/* mov (d16,an), dm */
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void OP_F7C00000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0_16 (insn)]
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= SEXT16 (load_half ((State.regs[REG_A0 + REG1_16 (insn)]
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+ SEXT16 (insn & 0xffff))));
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}
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/* mov (d24,am), dn */
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void OP_F4800000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0_16 (insn)]
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= SEXT16 (load_half ((State.regs[REG_A0 + REG1_16 (insn)]
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+ SEXT24 (((insn & 0xffff) << 8) + extension))));
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}
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/* mov (di,an), dm */
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void OP_F140 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0 (insn)]
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= SEXT16 (load_half ((State.regs[REG_A0 + REG1 (insn)]
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+ State.regs[REG_D0 + REG0_4 (insn)])));
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}
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/* mov (abs16), dn */
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void OP_C80000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0_16 (insn)] = SEXT16 (load_half ((insn & 0xffff)));
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}
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/* mov (abs24), dn */
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void OP_F4C00000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0_16 (insn)]
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= SEXT16 (load_half ((((insn & 0xffff) << 8) + extension)));
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}
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/* mov (d8,an), am */
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void OP_7000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_A0 + REG0_8 (insn)]
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= SEXT24 (load_3_byte ((State.regs[REG_A0 + REG1_8 (insn)]
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+ SEXT8 (insn & 0xff))));
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}
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/* mov (d16,an), am */
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void OP_F7B00000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_A0 + REG0_16 (insn)]
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= SEXT24 (load_3_byte ((State.regs[REG_A0 + REG1_16 (insn)]
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+ SEXT16 (insn & 0xffff))));
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}
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/* mov (d24,am), an */
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void OP_F4F00000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_A0 + REG0_16 (insn)]
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= SEXT24 (load_3_byte ((State.regs[REG_A0 + REG1_16 (insn)]
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+ SEXT24 (((insn & 0xffff) << 8) + extension))));
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}
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/* mov (di,an), am */
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void OP_F100 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_A0 + REG0 (insn)]
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= SEXT24 (load_3_byte ((State.regs[REG_A0 + REG1 (insn)]
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+ State.regs[REG_D0 + REG0_4 (insn)])));
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}
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/* mov (abs16), an */
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void OP_F7300000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_A0 + REG0_16 (insn)] = SEXT24 (load_3_byte ((insn & 0xffff)));
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}
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/* mov (abs24), an */
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void OP_F4D00000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_A0 + REG0_16 (insn)]
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= SEXT24 (load_3_byte ((((insn & 0xffff) << 8) + extension)));
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}
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/* mov dm, (an) */
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void OP_0 (insn, extension)
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unsigned long insn, extension;
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{
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store_half (State.regs[REG_A0 + REG1 (insn)],
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State.regs[REG_D0 + REG0 (insn)]);
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}
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/* mov dm, (d8,an) */
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void OP_4000 (insn, extension)
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unsigned long insn, extension;
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{
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store_half (State.regs[REG_A0 + REG1_8 (insn)] + SEXT8 (insn & 0xff),
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State.regs[REG_D0 + REG0_8 (insn)]);
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}
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/* mov dm, (d16,an) */
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void OP_F7800000 (insn, extension)
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unsigned long insn, extension;
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{
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store_half (State.regs[REG_A0 + REG1_16 (insn)] + SEXT16 (insn & 0xffff),
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State.regs[REG_D0 + REG0_16 (insn)]);
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}
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/* mov dm, (d24,am) */
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void OP_F4000000 (insn, extension)
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unsigned long insn, extension;
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{
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store_half ((State.regs[REG_A0 + REG1_16 (insn)]
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+ SEXT24 (((insn & 0xffff) << 8) + extension)),
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State.regs[REG_D0 + REG0_16 (insn)]);
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}
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/* mov dm, (di,an) */
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void OP_F1C0 (insn, extension)
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unsigned long insn, extension;
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{
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store_half ((State.regs[REG_A0 + REG1 (insn)]
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+ State.regs[REG_D0 + REG0_4 (insn)]),
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State.regs[REG_D0 + REG0 (insn)]);
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}
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/* mov dn, (abs16) */
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void OP_C00000 (insn, extension)
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unsigned long insn, extension;
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{
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store_half ((insn & 0xffff), State.regs[REG_D0 + REG0_16 (insn)]);
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}
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/* mov dn, (abs24) */
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void OP_F4400000 (insn, extension)
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unsigned long insn, extension;
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{
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store_half (SEXT24 (((insn & 0xffff) << 8) + extension),
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State.regs[REG_D0 + REG0_16 (insn)]);
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}
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/* mov am, (d8,an) */
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void OP_5000 (insn, extension)
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unsigned long insn, extension;
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{
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store_3_byte (State.regs[REG_A0 + REG1_8 (insn)] + SEXT8 (insn & 0xff),
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State.regs[REG_A0 + REG0_8 (insn)]);
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}
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/* mov am, (d16,an) */
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void OP_F7A00000 (insn, extension)
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unsigned long insn, extension;
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{
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store_3_byte (State.regs[REG_A0 + REG1_16 (insn)] + SEXT16 (insn & 0xffff),
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State.regs[REG_A0 + REG0_16 (insn)]);
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}
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/* mov am, (d24,an) */
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void OP_F4100000 (insn, extension)
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unsigned long insn, extension;
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{
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store_3_byte ((State.regs[REG_A0 + REG1_16 (insn)]
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+ SEXT24 (((insn & 0xffff) << 8) + extension)),
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State.regs[REG_A0 + REG0_16 (insn)]);
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}
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/* mov am, (di,an) */
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void OP_F180 (insn, extension)
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unsigned long insn, extension;
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{
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store_3_byte ((State.regs[REG_A0 + REG1 (insn)]
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+ State.regs[REG_D0 + REG0_4 (insn)]),
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State.regs[REG_A0 + REG0 (insn)]);
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}
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/* mov an, (abs16) */
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void OP_F7200000 (insn, extension)
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unsigned long insn, extension;
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{
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store_3_byte ((insn & 0xffff), State.regs[REG_A0 + REG0_16 (insn)]);
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}
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/* mov an, (abs24) */
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void OP_F4500000 (insn, extension)
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unsigned long insn, extension;
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{
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store_3_byte (SEXT24 (((insn & 0xffff) << 8) + extension),
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State.regs[REG_A0 + REG0_16 (insn)]);
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}
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/* mov imm16, dn */
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void OP_F80000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0_16 (insn)] = SEXT16 (insn & 0xffff);
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}
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/* mov imm24, dn */
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void OP_F4700000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0_16 (insn)]
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= SEXT24 (((insn & 0xffff) << 8) + extension);
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}
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/* mov imm16, an */
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void OP_DC0000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_A0 + REG0_16 (insn)] = insn & 0xffff;
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}
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/* mov imm24, an */
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void OP_F4740000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_A0 + REG0_16 (insn)]
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= SEXT24 (((insn & 0xffff) << 8) + extension);
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}
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/* movx (d8,an), dm */
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void OP_F57000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0_8 (insn)]
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= SEXT24 (load_3_byte ((State.regs[REG_A0 + REG1_8 (insn)]
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+ SEXT8 (insn & 0xff))));
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}
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/* movx (d16,an), dm */
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void OP_F7700000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0_16 (insn)]
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= SEXT24 (load_3_byte ((State.regs[REG_A0 + REG1_16 (insn)]
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+ SEXT16 (insn & 0xffff))));
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}
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/* movx (d24,am), dn */
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void OP_F4B00000 (insn, extension)
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unsigned long insn, extension;
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{
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State.regs[REG_D0 + REG0_16 (insn)]
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= SEXT24 (load_3_byte ((State.regs[REG_A0 + REG1_16 (insn)]
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+ SEXT24 (((insn & 0xffff) << 8) + extension))));
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}
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/* movx dm, (d8,an) */
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void OP_F55000 (insn, extension)
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unsigned long insn, extension;
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{
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store_3_byte (State.regs[REG_A0 + REG1_8 (insn)] + SEXT8 (insn & 0xff),
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State.regs[REG_D0 + REG0_8 (insn)]);
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}
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/* movx dm, (d16,an) */
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void OP_F7600000 (insn, extension)
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unsigned long insn, extension;
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{
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store_3_byte (State.regs[REG_A0 + REG1_16 (insn)] + SEXT16 (insn & 0xffff),
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State.regs[REG_D0 + REG0_16 (insn)]);
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}
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/* movx dm, (d24,am) */
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void OP_F4300000 (insn, extension)
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unsigned long insn, extension;
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{
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store_3_byte ((State.regs[REG_A0 + REG1_16 (insn)]
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+ SEXT24 (((insn & 0xffff) << 8) + extension)),
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State.regs[REG_D0 + REG0_16 (insn)]);
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||
}
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|
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/* movb (d8,an), dm */
|
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void OP_F52000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0_8 (insn)]
|
||
= SEXT8 (load_byte ((State.regs[REG_A0 + REG1_8 (insn)]
|
||
+ SEXT8 (insn & 0xff))));
|
||
}
|
||
|
||
/* movb (d16,an), dm */
|
||
void OP_F7D00000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0_16 (insn)]
|
||
= SEXT8 (load_byte ((State.regs[REG_A0 + REG1_16 (insn)]
|
||
+ SEXT16 (insn & 0xffff))));
|
||
}
|
||
|
||
/* movb (d24,am), dn */
|
||
void OP_F4A00000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0_16 (insn)]
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||
= SEXT8 (load_byte ((State.regs[REG_A0 + REG1_16 (insn)]
|
||
+ SEXT24 (((insn & 0xffff) << 8) + extension))));
|
||
}
|
||
|
||
/* movb (di,an), dm */
|
||
void OP_F040 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0 (insn)]
|
||
= SEXT8 (load_byte ((State.regs[REG_A0 + REG1 (insn)]
|
||
+ State.regs[REG_D0 + REG0_4 (insn)])));
|
||
}
|
||
|
||
/* mov (abs24), dn */
|
||
void OP_F4C40000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0_16 (insn)]
|
||
= SEXT8 (load_byte ((((insn & 0xffff) << 8) + extension)));
|
||
}
|
||
|
||
/* movb dm, (an) */
|
||
void OP_10 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
store_byte (State.regs[REG_A0 + REG1 (insn)],
|
||
State.regs[REG_D0 + REG0 (insn)]);
|
||
}
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||
|
||
/* movb dm, (d8,an) */
|
||
void OP_F51000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
store_byte (State.regs[REG_A0 + REG1_8 (insn)] + SEXT8 (insn & 0xff),
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||
State.regs[REG_D0 + REG0_8 (insn)]);
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||
}
|
||
|
||
/* movb dm, (d16,an) */
|
||
void OP_F7900000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
store_byte (State.regs[REG_A0 + REG1_16 (insn)] + SEXT16 (insn & 0xffff),
|
||
State.regs[REG_D0 + REG0_16 (insn)]);
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}
|
||
|
||
/* movb dm, (d24,am) */
|
||
void OP_F4200000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
store_byte ((State.regs[REG_A0 + REG1_16 (insn)]
|
||
+ SEXT24 (((insn & 0xffff) << 8) + extension)),
|
||
State.regs[REG_D0 + REG0_16 (insn)]);
|
||
}
|
||
|
||
/* movb dm, (di,an) */
|
||
void OP_F0C0 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
store_byte ((State.regs[REG_A0 + REG1 (insn)]
|
||
+ State.regs[REG_D0 + REG0_4 (insn)]),
|
||
State.regs[REG_D0 + REG0 (insn)]);
|
||
}
|
||
|
||
/* movb dn, (abs16) */
|
||
void OP_C40000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
store_byte ((insn & 0xffff), State.regs[REG_D0 + REG0_16 (insn)]);
|
||
}
|
||
|
||
/* movb dn, (abs24) */
|
||
void OP_F4440000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
store_byte (SEXT24 (((insn & 0xffff) << 8) + extension),
|
||
State.regs[REG_D0 + REG0_16 (insn)]);
|
||
}
|
||
|
||
/* movbu (an), dm */
|
||
void OP_30 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0 (insn)]
|
||
= load_byte (State.regs[REG_A0 + REG1 (insn)]);
|
||
}
|
||
|
||
/* movbu (d8,an), dm */
|
||
void OP_F53000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0_8 (insn)]
|
||
= load_byte ((State.regs[REG_A0 + REG1_8 (insn)] + SEXT8 (insn & 0xff)));
|
||
}
|
||
|
||
/* movbu (d16,an), dm */
|
||
void OP_F7500000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0_16 (insn)]
|
||
= load_byte ((State.regs[REG_A0 + REG1_16 (insn)]
|
||
+ SEXT16 (insn & 0xffff)));
|
||
}
|
||
|
||
/* movbu (d24,am), dn */
|
||
void OP_F4900000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0_16 (insn)]
|
||
= load_byte ((State.regs[REG_A0 + REG1_16 (insn)]
|
||
+ SEXT24 (((insn & 0xffff) << 8) + extension)));
|
||
}
|
||
|
||
/* movbu (di,an), dm */
|
||
void OP_F080 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0 (insn)]
|
||
= load_byte ((State.regs[REG_A0 + REG1 (insn)]
|
||
+ State.regs[REG_D0 + REG0_4 (insn)]));
|
||
}
|
||
|
||
/* movbu (abs16), dn */
|
||
void OP_CC0000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0_16 (insn)] = load_byte ((insn & 0xffff));
|
||
}
|
||
|
||
/* movbu (abs24), dn */
|
||
void OP_F4C80000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0_16 (insn)]
|
||
= load_byte ((((insn & 0xffff) << 8) + extension));
|
||
}
|
||
|
||
/* ext dn */
|
||
void OP_F3C1 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
if (State.regs[REG_D0 + REG1 (insn)] & 0x8000)
|
||
State.regs[REG_MDR] = 0xffff;
|
||
else
|
||
State.regs[REG_MDR] = 0;
|
||
}
|
||
|
||
/* extx dn */
|
||
void OP_B0 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0 (insn)] = SEXT16 (State.regs[REG_D0 + REG0 (insn)]);
|
||
}
|
||
|
||
/* extxu dn */
|
||
void OP_B4 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0 (insn)] = State.regs[REG_D0 + REG0 (insn)] & 0xffff;
|
||
}
|
||
|
||
/* extxb dn */
|
||
void OP_B8 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0 (insn)] = SEXT8 (State.regs[REG_D0 + REG0 (insn)]);
|
||
}
|
||
|
||
/* extxbu dn */
|
||
void OP_BC (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_D0 + REG0 (insn)] = State.regs[REG_D0 + REG0 (insn)] & 0xff;
|
||
}
|
||
|
||
/* add dn,dm */
|
||
void OP_90 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, reg2, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG1 (insn)]);
|
||
reg2 = TRUNC (State.regs[REG_D0 + REG0 (insn)]);
|
||
value = TRUNC (reg1 + reg2);
|
||
State.regs[REG_D0 + REG0 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((value & 0xffff) < (reg1 & 0xffff))
|
||
|| ((value & 0xffff) < (reg2 & 0xffff));
|
||
cx = (value < reg1) || (value < reg2);
|
||
v = ((reg2 & 0x8000) == (reg1 & 0x8000)
|
||
&& (reg2 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg2 & 0x800000) == (reg1 & 0x800000)
|
||
&& (reg2 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* add dm, an */
|
||
void OP_F200 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, reg2, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG1 (insn)]);
|
||
reg2 = TRUNC (State.regs[REG_A0 + REG0 (insn)]);
|
||
value = TRUNC (reg1 + reg2);
|
||
State.regs[REG_A0 + REG0 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((value & 0xffff) < (reg1 & 0xffff))
|
||
|| ((value & 0xffff) < (reg2 & 0xffff));
|
||
cx = (value < reg1) || (value < reg2);
|
||
v = ((reg2 & 0x8000) == (reg1 & 0x8000)
|
||
&& (reg2 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg2 & 0x800000) == (reg1 & 0x800000)
|
||
&& (reg2 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* add an, dm */
|
||
void OP_F2C0 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, reg2, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_A0 + REG1 (insn)]);
|
||
reg2 = TRUNC (State.regs[REG_D0 + REG0 (insn)]);
|
||
value = TRUNC (reg1 + reg2);
|
||
State.regs[REG_D0 + REG0 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((value & 0xffff) < (reg1 & 0xffff))
|
||
|| ((value & 0xffff) < (reg2 & 0xffff));
|
||
cx = (value < reg1) || (value < reg2);
|
||
v = ((reg2 & 0x8000) == (reg1 & 0x8000)
|
||
&& (reg2 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg2 & 0x800000) == (reg1 & 0x800000)
|
||
&& (reg2 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* add an,am */
|
||
void OP_F240 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, reg2, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_A0 + REG1 (insn)]);
|
||
reg2 = TRUNC (State.regs[REG_A0 + REG0 (insn)]);
|
||
value = TRUNC (reg1 + reg2);
|
||
State.regs[REG_A0 + REG0 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((value & 0xffff) < (reg1 & 0xffff))
|
||
|| ((value & 0xffff) < (reg2 & 0xffff));
|
||
cx = (value < reg1) || (value < reg2);
|
||
v = ((reg2 & 0x8000) == (reg1 & 0x8000)
|
||
&& (reg2 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg2 & 0x800000) == (reg1 & 0x800000)
|
||
&& (reg2 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* add imm8, dn */
|
||
void OP_D400 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG0_8 (insn)]);
|
||
imm = TRUNC (SEXT8 (insn & 0xff));
|
||
value = TRUNC (reg1 + imm);
|
||
State.regs[REG_D0 + REG0_8 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((value & 0xffff) < (reg1 & 0xffff))
|
||
|| ((value & 0xffff) < (imm & 0xffff));
|
||
cx = (value < reg1) || (value < imm);
|
||
v = ((reg1 & 0x8000) == (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) == (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* add imm16, dn */
|
||
void OP_F7180000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG0_16 (insn)]);
|
||
imm = TRUNC (SEXT16 (insn & 0xffff));
|
||
value = TRUNC (reg1 + imm);
|
||
State.regs[REG_D0 + REG0_16 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((value & 0xffff) < (reg1 & 0xffff))
|
||
|| ((value & 0xffff) < (imm & 0xffff));
|
||
cx = (value < reg1) || (value < imm);
|
||
v = ((reg1 & 0x8000) == (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) == (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* add imm24,dn */
|
||
void OP_F4600000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG0_16 (insn)]);
|
||
imm = TRUNC (((insn & 0xffff) << 8) + extension);
|
||
value = TRUNC (reg1 + imm);
|
||
State.regs[REG_D0 + REG0_16 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((value & 0xffff) < (reg1 & 0xffff))
|
||
|| ((value & 0xffff) < (imm & 0xffff));
|
||
cx = (value < reg1) || (value < imm);
|
||
v = ((reg1 & 0x8000) == (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) == (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* add imm8, an */
|
||
void OP_D000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_A0 + REG0_8 (insn)]);
|
||
imm = TRUNC (SEXT8 (insn & 0xff));
|
||
value = TRUNC (reg1 + imm);
|
||
State.regs[REG_A0 + REG0_8 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((value & 0xffff) < (reg1 & 0xffff))
|
||
|| ((value & 0xffff) < (imm & 0xffff));
|
||
cx = (value < reg1) || (value < imm);
|
||
v = ((reg1 & 0x8000) == (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) == (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* add imm16, an */
|
||
void OP_F7080000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_A0 + REG0_16 (insn)]);
|
||
imm = TRUNC (SEXT16 (insn & 0xffff));
|
||
value = TRUNC (reg1 + imm);
|
||
State.regs[REG_A0 + REG0_16 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((value & 0xffff) < (reg1 & 0xffff))
|
||
|| ((value & 0xffff) < (imm & 0xffff));
|
||
cx = (value < reg1) || (value < imm);
|
||
v = ((reg1 & 0x8000) == (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) == (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* add imm24, an */
|
||
void OP_F4640000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_A0 + REG0_16 (insn)]);
|
||
imm = TRUNC (((insn & 0xffff) << 8) + extension);
|
||
value = TRUNC (reg1 + imm);
|
||
State.regs[REG_A0 + REG0_16 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((value & 0xffff) < (reg1 & 0xffff)) || ((value & 0xffff) < (imm & 0xffff));
|
||
cx = (value < reg1) || (value < imm);
|
||
v = ((reg1 & 0x8000) == (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) == (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* addc dm,dn */
|
||
void OP_F280 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, reg2, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG1 (insn)]);
|
||
reg2 = TRUNC (State.regs[REG_D0 + REG0 (insn)]);
|
||
value = TRUNC (reg1 + reg2 + ((PSW & PSW_CF) != 0));
|
||
State.regs[REG_D0 + REG0 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((value & 0xffff) < (reg1 & 0xffff))
|
||
|| ((value & 0xffff) < (reg2 & 0xffff));
|
||
cx = (value < reg1) || (value < reg2);
|
||
v = ((reg2 & 0x8000) == (reg1 & 0x8000)
|
||
&& (reg2 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg2 & 0x800000) == (reg1 & 0x800000)
|
||
&& (reg2 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* addnf imm8, an */
|
||
void OP_F50C00 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = State.regs[REG_A0 + REG0_8 (insn)];
|
||
imm = SEXT8 (insn & 0xff);
|
||
value = reg1 + imm;
|
||
State.regs[REG_A0 + REG0_8 (insn)] = TRUNC (value);
|
||
}
|
||
|
||
/* sub dn, dm */
|
||
void OP_A0 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, reg2, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG1 (insn)]);
|
||
reg2 = TRUNC (State.regs[REG_D0 + REG0 (insn)]);
|
||
value = TRUNC (reg2 - reg1);
|
||
State.regs[REG_D0 + REG0 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) > (reg2 & 0xffff));
|
||
cx = (reg1 > reg2);
|
||
v = ((reg2 & 0x8000) != (reg1 & 0x8000)
|
||
&& (reg2 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg2 & 0x800000) != (reg1 & 0x800000)
|
||
&& (reg2 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* sub dm, an */
|
||
void OP_F210 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, reg2, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG1 (insn)]);
|
||
reg2 = TRUNC (State.regs[REG_A0 + REG0 (insn)]);
|
||
value = TRUNC (reg2 - reg1);
|
||
State.regs[REG_A0 + REG0 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) > (reg2 & 0xffff));
|
||
cx = (reg1 > reg2);
|
||
v = ((reg2 & 0x8000) != (reg1 & 0x8000)
|
||
&& (reg2 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg2 & 0x800000) != (reg1 & 0x800000)
|
||
&& (reg2 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* sub an, dm */
|
||
void OP_F2D0 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, reg2, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_A0 + REG1 (insn)]);
|
||
reg2 = TRUNC (State.regs[REG_D0 + REG0 (insn)]);
|
||
value = TRUNC (reg2 - reg1);
|
||
State.regs[REG_D0 + REG0 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) > (reg2 & 0xffff));
|
||
cx = (reg1 > reg2);
|
||
v = ((reg2 & 0x8000) != (reg1 & 0x8000)
|
||
&& (reg2 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg2 & 0x800000) != (reg1 & 0x800000)
|
||
&& (reg2 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* sub an, am */
|
||
void OP_F250 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, reg2, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_A0 + REG1 (insn)]);
|
||
reg2 = TRUNC (State.regs[REG_A0 + REG0 (insn)]);
|
||
value = TRUNC (reg2 - reg1);
|
||
State.regs[REG_A0 + REG0 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) > (reg2 & 0xffff));
|
||
cx = (reg1 > reg2);
|
||
v = ((reg2 & 0x8000) != (reg1 & 0x8000)
|
||
&& (reg2 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg2 & 0x800000) != (reg1 & 0x800000)
|
||
&& (reg2 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* sub imm16, dn */
|
||
void OP_F71C0000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG0_16 (insn)]);
|
||
imm = TRUNC (SEXT16 (insn & 0xffff));
|
||
value = TRUNC (reg1 - imm);
|
||
State.regs[REG_D0 + REG0_16 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) < (imm & 0xffff));
|
||
cx = (reg1 < imm);
|
||
v = ((reg1 & 0x8000) != (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) != (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* sub imm24, dn */
|
||
void OP_F4680000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG0_16 (insn)]);
|
||
imm = TRUNC (((insn & 0xffff) << 8) + extension);
|
||
value = TRUNC (reg1 - imm);
|
||
State.regs[REG_D0 + REG0_16 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) < (imm & 0xffff));
|
||
cx = (reg1 < imm);
|
||
v = ((reg1 & 0x8000) != (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) != (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* sub imm16, an */
|
||
void OP_F70C0000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_A0 + REG0_16 (insn)]);
|
||
imm = TRUNC (SEXT16 (insn & 0xffff));
|
||
value = TRUNC (reg1 - imm);
|
||
State.regs[REG_A0 + REG0_16 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) < (imm & 0xffff));
|
||
cx = (reg1 < imm);
|
||
v = ((reg1 & 0x8000) != (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) != (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* sub imm24, an */
|
||
void OP_F46C0000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_A0 + REG0_16 (insn)]);
|
||
imm = TRUNC (((insn & 0xffff) << 8) + extension);
|
||
value = TRUNC (reg1 - imm);
|
||
State.regs[REG_A0 + REG0_16 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) < (imm & 0xffff));
|
||
cx = (reg1 < imm);
|
||
v = ((reg1 & 0x8000) != (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) != (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* subc dm, dn */
|
||
void OP_F290 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, reg2, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG1 (insn)]);
|
||
reg2 = TRUNC (State.regs[REG_D0 + REG0 (insn)]);
|
||
value = TRUNC (reg2 - reg1 - ((PSW & PSW_CF) != 0));
|
||
State.regs[REG_D0 + REG0 (insn)] = value;
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) > (reg2 & 0xffff));
|
||
cx = (reg1 > reg2);
|
||
v = ((reg2 & 0x8000) != (reg1 & 0x8000)
|
||
&& (reg2 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg2 & 0x800000) != (reg1 & 0x800000)
|
||
&& (reg2 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* mul dn, dm */
|
||
void OP_F340 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
unsigned long temp;
|
||
int n, z;
|
||
|
||
temp = (SEXT16 (State.regs[REG_D0 + REG0 (insn)] & 0xffff)
|
||
* SEXT16 ((State.regs[REG_D0 + REG1 (insn)] & 0xffff)));
|
||
State.regs[REG_D0 + REG0 (insn)] = temp & 0xffffff;
|
||
State.regs[REG_MDR] = temp >> 16;
|
||
z = (State.regs[REG_D0 + REG0 (insn)] & 0xffff) == 0;
|
||
n = (State.regs[REG_D0 + REG0 (insn)] & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0));
|
||
}
|
||
|
||
/* mulu dn, dm */
|
||
void OP_F350 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
unsigned long temp;
|
||
int n, z;
|
||
|
||
temp = ((State.regs[REG_D0 + REG0 (insn)] & 0xffff)
|
||
* (State.regs[REG_D0 + REG1 (insn)] & 0xffff));
|
||
State.regs[REG_D0 + REG0 (insn)] = temp & 0xffffff;
|
||
State.regs[REG_MDR] = temp >> 16;
|
||
z = (State.regs[REG_D0 + REG0 (insn)] & 0xffff) == 0;
|
||
n = (State.regs[REG_D0 + REG0 (insn)] & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0));
|
||
}
|
||
|
||
|
||
/* divu dm, dn */
|
||
void OP_F360 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
unsigned long temp;
|
||
int n, z;
|
||
|
||
temp = State.regs[REG_MDR];
|
||
temp &= 0xffff;
|
||
temp <<= 16;
|
||
temp |= (State.regs[REG_D0 + REG0 (insn)] & 0xffff);
|
||
State.regs[REG_MDR] = (temp
|
||
% (unsigned long)(State.regs[REG_D0 + REG1 (insn)] & 0xffff));
|
||
temp /= (unsigned long)(State.regs[REG_D0 + REG1 (insn)] & 0xffff);
|
||
State.regs[REG_D0 + REG0 (insn)] = temp & 0xffff;
|
||
z = (State.regs[REG_D0 + REG0 (insn)] & 0xffff) == 0;
|
||
n = (State.regs[REG_D0 + REG0 (insn)] & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0));
|
||
}
|
||
|
||
/* cmp imm8, dn */
|
||
void OP_D800 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG0_8 (insn)]);
|
||
imm = TRUNC (SEXT8 (insn & 0xff));
|
||
value = TRUNC (reg1 - imm);
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) < (imm & 0xffff));
|
||
cx = (reg1 < imm);
|
||
v = ((reg1 & 0x8000) != (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) != (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
}
|
||
|
||
/* cmp dn, dm */
|
||
void OP_F390 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, reg2, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG1 (insn)]);
|
||
reg2 = TRUNC (State.regs[REG_D0 + REG0 (insn)]);
|
||
value = TRUNC (reg2 - reg1);
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) > (reg2 & 0xffff));
|
||
cx = (reg1 > reg2);
|
||
v = ((reg2 & 0x8000) != (reg1 & 0x8000)
|
||
&& (reg2 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg2 & 0x800000) != (reg1 & 0x800000)
|
||
&& (reg2 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | ( n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0));
|
||
}
|
||
|
||
/* cmp dm, an */
|
||
void OP_F220 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, reg2, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG1 (insn)]);
|
||
reg2 = TRUNC (State.regs[REG_A0 + REG0 (insn)]);
|
||
value = TRUNC (reg2 - reg1);
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) > (reg2 & 0xffff));
|
||
cx = (reg1 > reg2);
|
||
v = ((reg2 & 0x8000) != (reg1 & 0x8000)
|
||
&& (reg2 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg2 & 0x800000) != (reg1 & 0x800000)
|
||
&& (reg2 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | ( n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0));
|
||
}
|
||
|
||
/* cmp an, dm */
|
||
void OP_F2E0 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, reg2, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_A0 + REG1 (insn)]);
|
||
reg2 = TRUNC (State.regs[REG_D0 + REG0 (insn)]);
|
||
value = TRUNC (reg2 - reg1);
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) > (reg2 & 0xffff));
|
||
cx = (reg1 > reg2);
|
||
v = ((reg2 & 0x8000) != (reg1 & 0x8000)
|
||
&& (reg2 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg2 & 0x800000) != (reg1 & 0x800000)
|
||
&& (reg2 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | ( n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0));
|
||
}
|
||
|
||
/* cmp an, am */
|
||
void OP_F260 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, reg2, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_A0 + REG1 (insn)]);
|
||
reg2 = TRUNC (State.regs[REG_A0 + REG0 (insn)]);
|
||
value = TRUNC (reg2 - reg1);
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) > (reg2 & 0xffff));
|
||
cx = (reg1 > reg2);
|
||
v = ((reg2 & 0x8000) != (reg1 & 0x8000)
|
||
&& (reg2 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg2 & 0x800000) != (reg1 & 0x800000)
|
||
&& (reg2 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | ( n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0));
|
||
}
|
||
|
||
/* cmp imm16, dn */
|
||
void OP_F7480000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG0_16 (insn)]);
|
||
imm = TRUNC (SEXT16 (insn & 0xffff));
|
||
value = TRUNC (reg1 - imm);
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) < (imm & 0xffff));
|
||
cx = (reg1 < imm);
|
||
v = ((reg1 & 0x8000) != (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) != (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | ( n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0));
|
||
}
|
||
|
||
/* cmp imm24, dn */
|
||
void OP_F4780000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_D0 + REG0_16 (insn)]);
|
||
imm = TRUNC (((insn & 0xffff) << 8) + extension);
|
||
value = TRUNC (reg1 - imm);
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) < (imm & 0xffff));
|
||
cx = (reg1 < imm);
|
||
v = ((reg1 & 0x8000) != (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) != (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | ( n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0));
|
||
}
|
||
|
||
/* cmp imm16, an */
|
||
void OP_EC0000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_A0 + REG0_16 (insn)]);
|
||
imm = TRUNC (insn & 0xffff);
|
||
value = TRUNC (reg1 - imm);
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) < (imm & 0xffff));
|
||
cx = (reg1 < imm);
|
||
v = ((reg1 & 0x8000) != (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) != (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | ( n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0));
|
||
}
|
||
|
||
/* cmp imm24, an */
|
||
void OP_F47C0000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, c, n, v, zx, cx, nx, vx;
|
||
unsigned long reg1, imm, value;
|
||
|
||
reg1 = TRUNC (State.regs[REG_A0 + REG0_16 (insn)]);
|
||
imm = TRUNC (((insn & 0xffff) << 8) + extension);
|
||
value = TRUNC (reg1 - imm);
|
||
|
||
z = ((value & 0xffff) == 0);
|
||
zx = (value == 0);
|
||
n = (value & 0x8000);
|
||
nx = (value & 0x800000);
|
||
c = ((reg1 & 0xffff) < (imm & 0xffff));
|
||
cx = (reg1 < imm);
|
||
v = ((reg1 & 0x8000) != (imm & 0x8000)
|
||
&& (reg1 & 0x8000) != (value & 0x8000));
|
||
vx = ((reg1 & 0x800000) != (imm & 0x800000)
|
||
&& (reg1 & 0x800000) != (value & 0x800000));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF
|
||
| PSW_ZX | PSW_NX | PSW_CX | PSW_VX);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0)
|
||
| (zx ? PSW_ZX : 0) | (nx ? PSW_NX : 0)
|
||
| (cx ? PSW_CX : 0) | (vx ? PSW_VX : 0));
|
||
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | ( n ? PSW_NF : 0)
|
||
| (c ? PSW_CF : 0) | (v ? PSW_VF : 0));
|
||
}
|
||
|
||
/* and dn, dm */
|
||
void OP_F300 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int n, z;
|
||
unsigned long temp;
|
||
|
||
temp = State.regs[REG_D0 + REG0 (insn)] & State.regs[REG_D0 + REG1 (insn)];
|
||
temp &= 0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] &= ~0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] |= temp;
|
||
z = (State.regs[REG_D0 + REG0 (insn)] & 0xffff) == 0;
|
||
n = (State.regs[REG_D0 + REG0 (insn)] & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0));
|
||
}
|
||
|
||
/* and imm8, dn */
|
||
void OP_F50000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int n, z;
|
||
unsigned long temp;
|
||
|
||
temp = State.regs[REG_D0 + REG0_8 (insn)] & (insn & 0xff);
|
||
temp &= 0xffff;
|
||
State.regs[REG_D0 + REG0_8 (insn)] &= ~0xffff;
|
||
State.regs[REG_D0 + REG0_8 (insn)] |= temp;
|
||
z = (State.regs[REG_D0 + REG0_8 (insn)] & 0xffff) == 0;
|
||
n = (State.regs[REG_D0 + REG0_8 (insn)] & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0));
|
||
}
|
||
|
||
/* and imm16, dn */
|
||
void OP_F7000000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int n, z;
|
||
unsigned long temp;
|
||
|
||
temp = State.regs[REG_D0 + REG0_16 (insn)] & (insn & 0xffff);
|
||
temp &= 0xffff;
|
||
State.regs[REG_D0 + REG0_16 (insn)] &= ~0xffff;
|
||
State.regs[REG_D0 + REG0_16 (insn)] |= temp;
|
||
z = (State.regs[REG_D0 + REG0_16 (insn)] & 0xffff) == 0;
|
||
n = (State.regs[REG_D0 + REG0_16 (insn)] & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0));
|
||
}
|
||
|
||
/* and imm16, psw */
|
||
void OP_F7100000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
PSW &= (insn & 0xffff);
|
||
}
|
||
|
||
/* or dn, dm */
|
||
void OP_F310 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int n, z;
|
||
unsigned long temp;
|
||
|
||
temp = State.regs[REG_D0 + REG0 (insn)] | State.regs[REG_D0 + REG1 (insn)];
|
||
temp &= 0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] &= ~0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] |= temp;
|
||
z = (State.regs[REG_D0 + REG0 (insn)] & 0xffff) == 0;
|
||
n = (State.regs[REG_D0 + REG0 (insn)] & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0));
|
||
}
|
||
|
||
/* or imm8, dn */
|
||
void OP_F50800 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int n, z;
|
||
unsigned long temp;
|
||
|
||
temp = State.regs[REG_D0 + REG0_8 (insn)] | (insn & 0xff);
|
||
temp &= 0xffff;
|
||
State.regs[REG_D0 + REG0_8 (insn)] &= ~0xffff;
|
||
State.regs[REG_D0 + REG0_8 (insn)] |= temp;
|
||
z = (State.regs[REG_D0 + REG0_8 (insn)] & 0xffff) == 0;
|
||
n = (State.regs[REG_D0 + REG0_8 (insn)] & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0));
|
||
}
|
||
|
||
/* or imm16, dn */
|
||
void OP_F7400000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int n, z;
|
||
unsigned long temp;
|
||
|
||
temp = State.regs[REG_D0 + REG0_16 (insn)] | (insn & 0xffff);
|
||
temp &= 0xffff;
|
||
State.regs[REG_D0 + REG0_16 (insn)] &= ~0xffff;
|
||
State.regs[REG_D0 + REG0_16 (insn)] |= temp;
|
||
z = (State.regs[REG_D0 + REG0_16 (insn)] & 0xffff) == 0;
|
||
n = (State.regs[REG_D0 + REG0_16 (insn)] & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0));
|
||
}
|
||
|
||
/* or imm16, psw */
|
||
void OP_F7140000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
PSW |= (insn & 0xffff);
|
||
}
|
||
|
||
/* xor dn, dm */
|
||
void OP_F320 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int n, z;
|
||
unsigned long temp;
|
||
|
||
temp = State.regs[REG_D0 + REG0 (insn)] ^ State.regs[REG_D0 + REG1 (insn)];
|
||
temp &= 0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] &= ~0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] |= temp;
|
||
z = (State.regs[REG_D0 + REG0 (insn)] & 0xffff) == 0;
|
||
n = (State.regs[REG_D0 + REG0 (insn)] & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0));
|
||
}
|
||
|
||
/* xor imm16, dn */
|
||
void OP_F74C0000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int n, z;
|
||
unsigned long temp;
|
||
|
||
temp = State.regs[REG_D0 + REG0_16 (insn)] ^ (insn & 0xffff);
|
||
temp &= 0xffff;
|
||
State.regs[REG_D0 + REG0_16 (insn)] &= ~0xffff;
|
||
State.regs[REG_D0 + REG0_16 (insn)] |= temp;
|
||
z = (State.regs[REG_D0 + REG0_16 (insn)] & 0xffff) == 0;
|
||
n = (State.regs[REG_D0 + REG0_16 (insn)] & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0));
|
||
}
|
||
|
||
/* not dn */
|
||
void OP_F3E4 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int n, z;
|
||
unsigned long temp;
|
||
|
||
temp = ~State.regs[REG_D0 + REG0 (insn)];
|
||
temp &= 0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] &= ~0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] |= temp;
|
||
z = (State.regs[REG_D0 + REG0 (insn)] & 0xffff) == 0;
|
||
n = (State.regs[REG_D0 + REG0 (insn)] & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0));
|
||
}
|
||
|
||
/* asr dn */
|
||
void OP_F338 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
long temp;
|
||
int z, n, c, high;
|
||
|
||
temp = State.regs[REG_D0 + REG0 (insn)] & 0xffff;
|
||
c = temp & 1;
|
||
high = temp & 0x8000;
|
||
temp >>= 1;
|
||
temp |= high;
|
||
temp &= 0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] &= ~0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] |= temp;
|
||
z = (State.regs[REG_D0 + REG0 (insn)] & 0xffff) == 0;
|
||
n = (State.regs[REG_D0 + REG0 (insn)] & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0) | (c ? PSW_CF : 0));
|
||
}
|
||
|
||
/* lsr dn */
|
||
void OP_F33C (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
int z, n, c;
|
||
long temp;
|
||
|
||
temp = State.regs[REG_D0 + REG0 (insn)] & 0xffff;
|
||
c = temp & 1;
|
||
temp >>= 1;
|
||
temp &= 0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] &= ~0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] |= temp;
|
||
z = (State.regs[REG_D0 + REG0 (insn)] & 0xffff) == 0;
|
||
n = (State.regs[REG_D0 + REG0 (insn)] & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0) | (c ? PSW_CF : 0));
|
||
}
|
||
|
||
/* ror dn */
|
||
void OP_F334 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
unsigned long value;
|
||
int c,n,z;
|
||
|
||
value = State.regs[REG_D0 + REG0 (insn)] & 0xffff;
|
||
c = (value & 0x1);
|
||
|
||
value >>= 1;
|
||
value |= (PSW & PSW_CF ? 0x8000 : 0);
|
||
value &= 0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] &= ~0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] |= value;
|
||
z = (value == 0);
|
||
n = (value & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0) | (c ? PSW_CF : 0));
|
||
}
|
||
|
||
/* rol dn */
|
||
void OP_F330 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
unsigned long value;
|
||
int c,n,z;
|
||
|
||
value = State.regs[REG_D0 + REG0 (insn)] & 0xffff;
|
||
c = (value & 0x8000) ? 1 : 0;
|
||
|
||
value <<= 1;
|
||
value |= (PSW & PSW_CF ? 0x1 : 0);
|
||
value &= 0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] &= ~0xffff;
|
||
State.regs[REG_D0 + REG0 (insn)] |= value;
|
||
z = (value == 0);
|
||
n = (value & 0x8000) != 0;
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= ((z ? PSW_ZF : 0) | (n ? PSW_NF : 0) | (c ? PSW_CF : 0));
|
||
}
|
||
|
||
/* btst imm8, dn */
|
||
void OP_F50400 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
unsigned long temp;
|
||
int z;
|
||
|
||
temp = State.regs[REG_D0 + REG0_8 (insn)];
|
||
temp &= (insn & 0xff);
|
||
z = (temp == 0);
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= (z ? PSW_ZF : 0);
|
||
}
|
||
|
||
/* btst imm16, dn */
|
||
void OP_F7040000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
unsigned long temp;
|
||
int z, n, c;
|
||
|
||
temp = State.regs[REG_D0 + REG0_16 (insn)];
|
||
c = temp & 0x1;
|
||
temp &= (insn & 0xffff);
|
||
n = (temp & 0x8000) != 0;
|
||
z = (temp == 0);
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= (z ? PSW_ZF : 0) | (n ? PSW_NF : 0) | (c ? PSW_CF : 0);
|
||
}
|
||
|
||
/* bset dm, (an) */
|
||
void OP_F020 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
unsigned long temp;
|
||
int z;
|
||
|
||
temp = load_byte (State.regs[REG_A0 + REG1 (insn)]);
|
||
z = (temp & State.regs[REG_D0 + REG0 (insn)]) == 0;
|
||
temp |= State.regs[REG_D0 + REG0 (insn)];
|
||
store_byte (State.regs[REG_A0 + REG1 (insn)], temp);
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= (z ? PSW_ZF : 0);
|
||
}
|
||
|
||
/* bclr dm, (an) */
|
||
void OP_F030 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
unsigned long temp;
|
||
int z;
|
||
|
||
temp = load_byte (State.regs[REG_A0 + REG1 (insn)]);
|
||
z = (temp & State.regs[REG_D0 + REG0 (insn)]) == 0;
|
||
temp = temp & ~State.regs[REG_D0 + REG0 (insn)];
|
||
store_byte (State.regs[REG_A0 + REG1 (insn)], temp);
|
||
PSW &= ~(PSW_ZF | PSW_NF | PSW_CF | PSW_VF);
|
||
PSW |= (z ? PSW_ZF : 0);
|
||
}
|
||
|
||
/* beqx label:8 */
|
||
void OP_F5E800 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (PSW & PSW_ZX)
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bnex label:8 */
|
||
void OP_F5E900 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (!(PSW & PSW_ZX))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bgtx label:8 */
|
||
void OP_F5E100 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (!((PSW & PSW_ZX)
|
||
|| (((PSW & PSW_NX) != 0) ^ ((PSW & PSW_VX) != 0))))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bgex label:8 */
|
||
void OP_F5E200 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (!(((PSW & PSW_NX) != 0) ^ ((PSW & PSW_VX) != 0)))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* blex label:8 */
|
||
void OP_F5E300 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if ((PSW & PSW_ZX)
|
||
|| (((PSW & PSW_NX) != 0) ^ ((PSW & PSW_VX) != 0)))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bltx label:8 */
|
||
void OP_F5E000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (((PSW & PSW_NX) != 0) ^ ((PSW & PSW_VX) != 0))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bhix label:8 */
|
||
void OP_F5E500 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (!(((PSW & PSW_CX) != 0) || (PSW & PSW_ZX) != 0))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bccx label:8 */
|
||
void OP_F5E600 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (!(PSW & PSW_CX))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* blsx label:8 */
|
||
void OP_F5E700 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (((PSW & PSW_CX) != 0) || (PSW & PSW_ZX) != 0)
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bcsx label:8 */
|
||
void OP_F5E400 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (PSW & PSW_CX)
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bvcx label:8 */
|
||
void OP_F5EC00 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (!(PSW & PSW_VX))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bvsx label:8 */
|
||
void OP_F5ED00 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (PSW & PSW_VX)
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bncx label:8 */
|
||
void OP_F5EE00 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (!(PSW & PSW_NX))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bnsx label:8 */
|
||
void OP_F5EF00 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (PSW & PSW_NX)
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* beq label:8 */
|
||
void OP_E800 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 2 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (PSW & PSW_ZF)
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bne label:8 */
|
||
void OP_E900 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 2 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (!(PSW & PSW_ZF))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bgt label:8 */
|
||
void OP_E100 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 2 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (!((PSW & PSW_ZF)
|
||
|| (((PSW & PSW_NF) != 0) ^ ((PSW & PSW_VF) != 0))))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bge label:8 */
|
||
void OP_E200 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 2 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (!(((PSW & PSW_NF) != 0) ^ ((PSW & PSW_VF) != 0)))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* ble label:8 */
|
||
void OP_E300 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 2 after we return, so
|
||
we subtract two here to make things right. */
|
||
if ((PSW & PSW_ZF)
|
||
|| (((PSW & PSW_NF) != 0) ^ ((PSW & PSW_VF) != 0)))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* blt label:8 */
|
||
void OP_E000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 2 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (((PSW & PSW_NF) != 0) ^ ((PSW & PSW_VF) != 0))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bhi label:8 */
|
||
void OP_E500 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 2 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (!(((PSW & PSW_CF) != 0) || (PSW & PSW_ZF) != 0))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bcc label:8 */
|
||
void OP_E600 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 2 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (!(PSW & PSW_CF))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bls label:8 */
|
||
void OP_E700 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 2 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (((PSW & PSW_CF) != 0) || (PSW & PSW_ZF) != 0)
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bcs label:8 */
|
||
void OP_E400 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 2 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (PSW & PSW_CF)
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bvc label:8 */
|
||
void OP_F5FC00 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (!(PSW & PSW_VF))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bvs label:8 */
|
||
void OP_F5FD00 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (PSW & PSW_VF)
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bnc label:8 */
|
||
void OP_F5FE00 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (!(PSW & PSW_NF))
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bns label:8 */
|
||
void OP_F5FF00 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 3 after we return, so
|
||
we subtract two here to make things right. */
|
||
if (PSW & PSW_NF)
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* bra label:8 */
|
||
void OP_EA00 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* The dispatching code will add 2 after we return, so
|
||
we subtract two here to make things right. */
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT8 (insn & 0xff));
|
||
}
|
||
|
||
/* jmp (an) */
|
||
void OP_F000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_A0 + REG1 (insn)] - 2);
|
||
}
|
||
|
||
/* jmp label:16 */
|
||
void OP_FC0000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT16 (insn & 0xffff));
|
||
}
|
||
|
||
/* jmp label:24 */
|
||
void OP_F4E00000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.regs[REG_PC]
|
||
= TRUNC (State.regs[REG_PC] + (((insn & 0xffff) << 8) + extension));
|
||
}
|
||
|
||
/* jsr (an) */
|
||
void OP_F001 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
unsigned int next_pc, sp;
|
||
|
||
sp = State.regs[REG_SP];
|
||
sp -= 4;
|
||
State.regs[REG_SP] = sp;
|
||
next_pc = State.regs[REG_PC] + 2;
|
||
State.mem[sp] = next_pc & 0xff;
|
||
State.mem[sp+1] = (next_pc & 0xff00) >> 8;
|
||
State.mem[sp+2] = (next_pc & 0xff0000) >> 16;
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_A0 + REG1 (insn)] - 2);
|
||
}
|
||
|
||
/* jsr label:16 */
|
||
void OP_FD0000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
unsigned int next_pc, sp;
|
||
|
||
sp = State.regs[REG_SP];
|
||
sp -= 4;
|
||
State.regs[REG_SP] = sp;
|
||
next_pc = State.regs[REG_PC] + 3;
|
||
State.mem[sp] = next_pc & 0xff;
|
||
State.mem[sp+1] = (next_pc & 0xff00) >> 8;
|
||
State.mem[sp+2] = (next_pc & 0xff0000) >> 16;
|
||
State.regs[REG_PC] = TRUNC (State.regs[REG_PC] + SEXT16 (insn & 0xffff));
|
||
}
|
||
|
||
/* jsr label:24 */
|
||
void OP_F4E10000 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
unsigned int next_pc, sp;
|
||
|
||
sp = State.regs[REG_SP];
|
||
sp -= 4;
|
||
State.regs[REG_SP] = sp;
|
||
next_pc = State.regs[REG_PC] + 5;
|
||
State.mem[sp] = next_pc & 0xff;
|
||
State.mem[sp+1] = (next_pc & 0xff00) >> 8;
|
||
State.mem[sp+2] = (next_pc & 0xff0000) >> 16;
|
||
State.regs[REG_PC]
|
||
= TRUNC (State.regs[REG_PC] + (((insn & 0xffff) << 8) + extension));
|
||
}
|
||
|
||
/* rts */
|
||
void OP_FE (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
unsigned int sp;
|
||
|
||
sp = State.regs[REG_SP];
|
||
State.regs[REG_PC] = (State.mem[sp] | (State.mem[sp+1] << 8)
|
||
| (State.mem[sp+2] << 16));
|
||
State.regs[REG_PC] -= 1;
|
||
State.regs[REG_SP] += 4;
|
||
}
|
||
|
||
/* rti */
|
||
void OP_EB (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
PSW = load_half (State.regs[REG_A0 + 3]);
|
||
State.regs[REG_PC] = load_3_byte (State.regs[REG_A0 + 3] + 2) - 1;
|
||
State.regs[REG_A0 + 3] += 6;
|
||
}
|
||
|
||
/* syscall */
|
||
void OP_F010 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
/* We use this for simulated system calls; we may need to change
|
||
it to a reserved instruction if we conflict with uses at
|
||
Matsushita. */
|
||
int save_errno = errno;
|
||
int offset = 6;
|
||
errno = 0;
|
||
|
||
/* Registers passed to syscall 0 */
|
||
|
||
/* Function number. */
|
||
#define FUNC (State.regs[0])
|
||
|
||
#define PARM1 (State.regs[1])
|
||
|
||
/* Parameters. */
|
||
#define PARM(x, y) (load_mem (State.regs[REG_SP] + x, y))
|
||
|
||
/* Registers set by syscall 0 */
|
||
|
||
#define RETVAL State.regs[0] /* return value */
|
||
#define RETERR State.regs[1] /* return error code */
|
||
|
||
/* Turn a pointer in a register into a pointer into real memory. */
|
||
|
||
#define MEMPTR(x) (State.mem + (x & 0xffffff))
|
||
|
||
switch (FUNC)
|
||
{
|
||
#if !defined(__GO32__) && !defined(_WIN32)
|
||
#ifdef TARGET_SYS_fork
|
||
case TARGET_SYS_fork:
|
||
RETVAL = fork ();
|
||
break;
|
||
#endif
|
||
#ifdef TARGET_SYS_execve
|
||
case TARGET_SYS_execve:
|
||
RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM (4, 4)),
|
||
(char **)MEMPTR (PARM (8, 4)));
|
||
break;
|
||
#endif
|
||
#ifdef TARGET_SYS_execv
|
||
case TARGET_SYS_execv:
|
||
RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM (4, 4)), NULL);
|
||
break;
|
||
#endif
|
||
#endif
|
||
|
||
case TARGET_SYS_read:
|
||
RETVAL = mn10200_callback->read (mn10200_callback, PARM1,
|
||
MEMPTR (PARM (4, 4)), PARM (8, 4));
|
||
break;
|
||
case TARGET_SYS_write:
|
||
RETVAL = (int)mn10200_callback->write (mn10200_callback, PARM1,
|
||
MEMPTR (PARM (4, 4)),
|
||
PARM (8, 4));
|
||
break;
|
||
case TARGET_SYS_lseek:
|
||
RETVAL = mn10200_callback->lseek (mn10200_callback, PARM1,
|
||
PARM (4, 4), PARM (8, 2));
|
||
break;
|
||
case TARGET_SYS_close:
|
||
RETVAL = mn10200_callback->close (mn10200_callback, PARM1);
|
||
break;
|
||
case TARGET_SYS_open:
|
||
RETVAL = mn10200_callback->open (mn10200_callback, MEMPTR (PARM1),
|
||
PARM (4, 2));
|
||
break;
|
||
case TARGET_SYS_exit:
|
||
/* EXIT - caller can look in PARM1 to work out the
|
||
reason */
|
||
if (PARM1 == 0xdead)
|
||
State.exception = SIGABRT;
|
||
else
|
||
State.exception = SIGQUIT;
|
||
State.exited = 1;
|
||
break;
|
||
|
||
case TARGET_SYS_stat: /* added at hmsi */
|
||
/* stat system call */
|
||
{
|
||
struct stat host_stat;
|
||
reg_t buf;
|
||
|
||
RETVAL = stat (MEMPTR (PARM1), &host_stat);
|
||
|
||
buf = PARM (4, 4);
|
||
|
||
/* Just wild-assed guesses. */
|
||
store_half (buf, host_stat.st_dev);
|
||
store_half (buf + 2, host_stat.st_ino);
|
||
store_word (buf + 4, host_stat.st_mode);
|
||
store_half (buf + 8, host_stat.st_nlink);
|
||
store_half (buf + 10, host_stat.st_uid);
|
||
store_half (buf + 12, host_stat.st_gid);
|
||
store_half (buf + 14, host_stat.st_rdev);
|
||
store_word (buf + 16, host_stat.st_size);
|
||
store_word (buf + 20, host_stat.st_atime);
|
||
store_word (buf + 28, host_stat.st_mtime);
|
||
store_word (buf + 36, host_stat.st_ctime);
|
||
}
|
||
break;
|
||
|
||
#ifdef TARGET_SYS_chown
|
||
case TARGET_SYS_chown:
|
||
RETVAL = chown (MEMPTR (PARM1), PARM (4, 2), PARM (6, 2));
|
||
break;
|
||
#endif
|
||
case TARGET_SYS_chmod:
|
||
RETVAL = chmod (MEMPTR (PARM1), PARM (4, 2));
|
||
break;
|
||
#ifdef TARGET_SYS_time
|
||
case TARGET_SYS_time:
|
||
RETVAL = time ((time_t *)MEMPTR (PARM1));
|
||
break;
|
||
#endif
|
||
#ifdef TARGET_SYS_times
|
||
case TARGET_SYS_times:
|
||
{
|
||
struct tms tms;
|
||
RETVAL = times (&tms);
|
||
store_word (PARM1, tms.tms_utime);
|
||
store_word (PARM1 + 4, tms.tms_stime);
|
||
store_word (PARM1 + 8, tms.tms_cutime);
|
||
store_word (PARM1 + 12, tms.tms_cstime);
|
||
break;
|
||
}
|
||
#endif
|
||
#ifdef TARGET_SYS_gettimeofday
|
||
case TARGET_SYS_gettimeofday:
|
||
{
|
||
struct timeval t;
|
||
struct timezone tz;
|
||
RETVAL = gettimeofday (&t, &tz);
|
||
store_word (PARM1, t.tv_sec);
|
||
store_word (PARM1 + 4, t.tv_usec);
|
||
store_word (PARM (4, 4), tz.tz_minuteswest);
|
||
store_word (PARM (4, 4) + 4, tz.tz_dsttime);
|
||
break;
|
||
}
|
||
#endif
|
||
#ifdef TARGET_SYS_utime
|
||
case TARGET_SYS_utime:
|
||
/* Cast the second argument to void *, to avoid type mismatch
|
||
if a prototype is present. */
|
||
RETVAL = utime (MEMPTR (PARM1), (void *) MEMPTR (PARM (4, 4)));
|
||
break;
|
||
#endif
|
||
default:
|
||
abort ();
|
||
}
|
||
RETERR = errno;
|
||
errno = save_errno;
|
||
}
|
||
|
||
/* nop */
|
||
void OP_F6 (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
}
|
||
|
||
/* breakpoint */
|
||
void
|
||
OP_FF (insn, extension)
|
||
unsigned long insn, extension;
|
||
{
|
||
State.exception = SIGTRAP;
|
||
PC -= 1;
|
||
}
|