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binutils-gdb/sim/mn10200/simops.c
Stan Shebs c906108c21 Initial creation of sourceware repository
1999-04-16 01:35:26 +00:00

2450 lines
68 KiB
C
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#include "config.h"
#include <signal.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "mn10200_sim.h"
#include "simops.h"
#include "targ-vals.h"
#include "bfd.h"
#include <errno.h>
#include <sys/stat.h>
#include <sys/times.h>
#include <sys/time.h>
#define REG0(X) ((X) & 0x3)
#define REG1(X) (((X) & 0xc) >> 2)
#define REG0_4(X) (((X) & 0x30) >> 4)
#define REG0_8(X) (((X) & 0x300) >> 8)
#define REG1_8(X) (((X) & 0xc00) >> 10)
#define REG0_16(X) (((X) & 0x30000) >> 16)
#define REG1_16(X) (((X) & 0xc0000) >> 18)
#define TRUNC(X) ((X) & 0xffffff)
/* mov imm8, dn */
void OP_8000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0_8 (insn)] = SEXT8 (insn & 0xff);
}
/* mov dn, dm */
void OP_80 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0 (insn)] = State.regs[REG_D0 + REG1 (insn)];
}
/* mov dm, an */
void OP_F230 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_A0 + REG0 (insn)] = State.regs[REG_D0 + REG1 (insn)];
}
/* mov an, dm */
void OP_F2F0 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0 (insn)] = State.regs[REG_A0 + REG1 (insn)];
}
/* mov an, am */
void OP_F270 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_A0 + REG0 (insn)] = State.regs[REG_A0 + REG1 (insn)];
}
/* mov psw, dn */
void OP_F3F0 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0 (insn)] = PSW & 0xffff;
}
/* mov dn, psw */
void OP_F3D0 (insn, extension)
unsigned long insn, extension;
{
PSW = State.regs[REG_D0 + REG1 (insn)] & 0xffff ;
}
/* mov mdr, dn */
void OP_F3E0 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0 (insn)] = State.regs[REG_MDR] & 0xffff;
}
/* mov dn, mdr */
void OP_F3C0 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_MDR] = State.regs[REG_D0 + REG1 (insn)] & 0xffff;
}
/* mov (an), dm */
void OP_20 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0 (insn)]
= SEXT16 (load_half (State.regs[REG_A0 + REG1 (insn)]));
}
/* mov (d8,an), dm */
void OP_6000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0_8 (insn)]
= SEXT16 (load_half ((State.regs[REG_A0 + REG1_8 (insn)]
+ SEXT8 (insn & 0xff))));
}
/* mov (d16,an), dm */
void OP_F7C00000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0_16 (insn)]
= SEXT16 (load_half ((State.regs[REG_A0 + REG1_16 (insn)]
+ SEXT16 (insn & 0xffff))));
}
/* mov (d24,am), dn */
void OP_F4800000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0_16 (insn)]
= SEXT16 (load_half ((State.regs[REG_A0 + REG1_16 (insn)]
+ SEXT24 (((insn & 0xffff) << 8) + extension))));
}
/* mov (di,an), dm */
void OP_F140 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0 (insn)]
= SEXT16 (load_half ((State.regs[REG_A0 + REG1 (insn)]
+ State.regs[REG_D0 + REG0_4 (insn)])));
}
/* mov (abs16), dn */
void OP_C80000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0_16 (insn)] = SEXT16 (load_half ((insn & 0xffff)));
}
/* mov (abs24), dn */
void OP_F4C00000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0_16 (insn)]
= SEXT16 (load_half ((((insn & 0xffff) << 8) + extension)));
}
/* mov (d8,an), am */
void OP_7000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_A0 + REG0_8 (insn)]
= SEXT24 (load_3_byte ((State.regs[REG_A0 + REG1_8 (insn)]
+ SEXT8 (insn & 0xff))));
}
/* mov (d16,an), am */
void OP_F7B00000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_A0 + REG0_16 (insn)]
= SEXT24 (load_3_byte ((State.regs[REG_A0 + REG1_16 (insn)]
+ SEXT16 (insn & 0xffff))));
}
/* mov (d24,am), an */
void OP_F4F00000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_A0 + REG0_16 (insn)]
= SEXT24 (load_3_byte ((State.regs[REG_A0 + REG1_16 (insn)]
+ SEXT24 (((insn & 0xffff) << 8) + extension))));
}
/* mov (di,an), am */
void OP_F100 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_A0 + REG0 (insn)]
= SEXT24 (load_3_byte ((State.regs[REG_A0 + REG1 (insn)]
+ State.regs[REG_D0 + REG0_4 (insn)])));
}
/* mov (abs16), an */
void OP_F7300000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_A0 + REG0_16 (insn)] = SEXT24 (load_3_byte ((insn & 0xffff)));
}
/* mov (abs24), an */
void OP_F4D00000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_A0 + REG0_16 (insn)]
= SEXT24 (load_3_byte ((((insn & 0xffff) << 8) + extension)));
}
/* mov dm, (an) */
void OP_0 (insn, extension)
unsigned long insn, extension;
{
store_half (State.regs[REG_A0 + REG1 (insn)],
State.regs[REG_D0 + REG0 (insn)]);
}
/* mov dm, (d8,an) */
void OP_4000 (insn, extension)
unsigned long insn, extension;
{
store_half (State.regs[REG_A0 + REG1_8 (insn)] + SEXT8 (insn & 0xff),
State.regs[REG_D0 + REG0_8 (insn)]);
}
/* mov dm, (d16,an) */
void OP_F7800000 (insn, extension)
unsigned long insn, extension;
{
store_half (State.regs[REG_A0 + REG1_16 (insn)] + SEXT16 (insn & 0xffff),
State.regs[REG_D0 + REG0_16 (insn)]);
}
/* mov dm, (d24,am) */
void OP_F4000000 (insn, extension)
unsigned long insn, extension;
{
store_half ((State.regs[REG_A0 + REG1_16 (insn)]
+ SEXT24 (((insn & 0xffff) << 8) + extension)),
State.regs[REG_D0 + REG0_16 (insn)]);
}
/* mov dm, (di,an) */
void OP_F1C0 (insn, extension)
unsigned long insn, extension;
{
store_half ((State.regs[REG_A0 + REG1 (insn)]
+ State.regs[REG_D0 + REG0_4 (insn)]),
State.regs[REG_D0 + REG0 (insn)]);
}
/* mov dn, (abs16) */
void OP_C00000 (insn, extension)
unsigned long insn, extension;
{
store_half ((insn & 0xffff), State.regs[REG_D0 + REG0_16 (insn)]);
}
/* mov dn, (abs24) */
void OP_F4400000 (insn, extension)
unsigned long insn, extension;
{
store_half (SEXT24 (((insn & 0xffff) << 8) + extension),
State.regs[REG_D0 + REG0_16 (insn)]);
}
/* mov am, (d8,an) */
void OP_5000 (insn, extension)
unsigned long insn, extension;
{
store_3_byte (State.regs[REG_A0 + REG1_8 (insn)] + SEXT8 (insn & 0xff),
State.regs[REG_A0 + REG0_8 (insn)]);
}
/* mov am, (d16,an) */
void OP_F7A00000 (insn, extension)
unsigned long insn, extension;
{
store_3_byte (State.regs[REG_A0 + REG1_16 (insn)] + SEXT16 (insn & 0xffff),
State.regs[REG_A0 + REG0_16 (insn)]);
}
/* mov am, (d24,an) */
void OP_F4100000 (insn, extension)
unsigned long insn, extension;
{
store_3_byte ((State.regs[REG_A0 + REG1_16 (insn)]
+ SEXT24 (((insn & 0xffff) << 8) + extension)),
State.regs[REG_A0 + REG0_16 (insn)]);
}
/* mov am, (di,an) */
void OP_F180 (insn, extension)
unsigned long insn, extension;
{
store_3_byte ((State.regs[REG_A0 + REG1 (insn)]
+ State.regs[REG_D0 + REG0_4 (insn)]),
State.regs[REG_A0 + REG0 (insn)]);
}
/* mov an, (abs16) */
void OP_F7200000 (insn, extension)
unsigned long insn, extension;
{
store_3_byte ((insn & 0xffff), State.regs[REG_A0 + REG0_16 (insn)]);
}
/* mov an, (abs24) */
void OP_F4500000 (insn, extension)
unsigned long insn, extension;
{
store_3_byte (SEXT24 (((insn & 0xffff) << 8) + extension),
State.regs[REG_A0 + REG0_16 (insn)]);
}
/* mov imm16, dn */
void OP_F80000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0_16 (insn)] = SEXT16 (insn & 0xffff);
}
/* mov imm24, dn */
void OP_F4700000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0_16 (insn)]
= SEXT24 (((insn & 0xffff) << 8) + extension);
}
/* mov imm16, an */
void OP_DC0000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_A0 + REG0_16 (insn)] = insn & 0xffff;
}
/* mov imm24, an */
void OP_F4740000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_A0 + REG0_16 (insn)]
= SEXT24 (((insn & 0xffff) << 8) + extension);
}
/* movx (d8,an), dm */
void OP_F57000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0_8 (insn)]
= SEXT24 (load_3_byte ((State.regs[REG_A0 + REG1_8 (insn)]
+ SEXT8 (insn & 0xff))));
}
/* movx (d16,an), dm */
void OP_F7700000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0_16 (insn)]
= SEXT24 (load_3_byte ((State.regs[REG_A0 + REG1_16 (insn)]
+ SEXT16 (insn & 0xffff))));
}
/* movx (d24,am), dn */
void OP_F4B00000 (insn, extension)
unsigned long insn, extension;
{
State.regs[REG_D0 + REG0_16 (insn)]
= SEXT24 (load_3_byte ((State.regs[REG_A0 + REG1_16 (insn)]
+ SEXT24 (((insn & 0xffff) << 8) + extension))));
}
/* movx dm, (d8,an) */
void OP_F55000 (insn, extension)
unsigned long insn, extension;
{
store_3_byte (State.regs[REG_A0 + REG1_8 (insn)] + SEXT8 (insn & 0xff),
State.regs[REG_D0 + REG0_8 (insn)]);
}
/* movx dm, (d16,an) */
void OP_F7600000 (insn, extension)
unsigned long insn, extension;
{
store_3_byte (State.regs[REG_A0 + REG1_16 (insn)] + SEXT16 (insn & 0xffff),
State.regs[REG_D0 + REG0_16 (insn)]);
}
/* movx dm, (d24,am) */
void OP_F4300000 (insn, extension)
unsigned long insn, extension;
{
store_3_byte ((State.regs[REG_A0 + REG1_16 (insn)]
+ SEXT24 (((insn & 0xffff) << 8) + extension)),
State.regs[REG_D0 + REG0_16 (insn)]);
}
/* movb (d8,an), dm */
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)]
= 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)]);
}
/* 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),
State.regs[REG_D0 + REG0_8 (insn)]);
}
/* 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)]);
}
/* 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;
}
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