static void fmove_reg_mem(m68ki_cpu_core *m68k, UINT16 w2)
{
int ea = m68k->ir & 0x3f;
int src = (w2 >> 7) & 0x7;
int dst = (w2 >> 10) & 0x7;
//int kfactor = w2 & 0x7f;
switch (dst)
{
case 0: // Long-Word Integer
{
INT32 d = (INT32)(REG_FP[src].f);
WRITE_EA_32(m68k, ea, d);
break;
}
case 1: // Single-precision Real
{
float f = (float)(REG_FP[src].f);
UINT32 d = *(UINT32 *)&f;
WRITE_EA_32(m68k, ea, d);
break;
}
case 2: // Extended-precision Real
{
fatalerror("fmove_reg_mem: extended-precision real store unimplemented at %08X\n", REG_PC-4);
break;
}
case 3: // Packed-decimal Real with Static K-factor
{
fatalerror("fmove_reg_mem: packed-decimal real store unimplemented at %08X\n", REG_PC-4);
break;
}
case 4: // Word Integer
{
INT16 d = (INT16)(REG_FP[src].f);
WRITE_EA_16(m68k, ea, d);
break;
}
case 5: // Double-precision Real
{
UINT64 d = REG_FP[src].i;
WRITE_EA_64(m68k, ea, d);
break;
}
case 6: // Byte Integer
{
INT8 d = (INT16)(REG_FP[src].f);
WRITE_EA_8(m68k, ea, d);
break;
}
case 7: // Packed-decimal Real with Dynamic K-factor
{
fatalerror("fmove_reg_mem: packed-decimal real store unimplemented at %08X\n", REG_PC-4);
break;
}
}
m68k->remaining_cycles -= 12;
}
static void fmove_reg_mem(m68000_base_device *m68k, UINT16 w2)
{
int ea = m68k->ir & 0x3f;
int src = (w2 >> 7) & 0x7;
int dst = (w2 >> 10) & 0x7;
int k = (w2 & 0x7f);
switch (dst)
{
case 0: // Long-Word Integer
{
INT32 d = (INT32)floatx80_to_int32(REG_FP(m68k)[src]);
WRITE_EA_32(m68k, ea, d);
break;
}
case 1: // Single-precision Real
{
UINT32 d = floatx80_to_float32(REG_FP(m68k)[src]);
WRITE_EA_32(m68k, ea, d);
break;
}
case 2: // Extended-precision Real
{
WRITE_EA_FPE(m68k, ea, REG_FP(m68k)[src]);
break;
}
case 3: // Packed-decimal Real with Static K-factor
{
// sign-extend k
k = (k & 0x40) ? (k | 0xffffff80) : (k & 0x7f);
WRITE_EA_PACK(m68k, ea, k, REG_FP(m68k)[src]);
break;
}
case 4: // Word Integer
{
int32 value = floatx80_to_int32(REG_FP(m68k)[src]);
if (value > 0x7fff || value < -0x8000 )
{
REG_FPSR(m68k) |= FPES_OE | FPAE_IOP;
}
WRITE_EA_16(m68k, ea, (INT16)value);
break;
}
case 5: // Double-precision Real
{
UINT64 d;
d = floatx80_to_float64(REG_FP(m68k)[src]);
WRITE_EA_64(m68k, ea, d);
break;
}
case 6: // Byte Integer
{
int32 value = floatx80_to_int32(REG_FP(m68k)[src]);
if (value > 127 || value < -128)
{
REG_FPSR(m68k) |= FPES_OE | FPAE_IOP;
}
WRITE_EA_8(m68k, ea, (INT8) value);
break;
}
case 7: // Packed-decimal Real with Dynamic K-factor
{
WRITE_EA_PACK(m68k, ea, REG_D(m68k)[k>>4], REG_FP(m68k)[src]);
break;
}
}
m68k->remaining_cycles -= 12;
}