pcem/src/x86_ops_mmx_mov.h

161 lines
3.8 KiB
C

static int opMOVD_l_mm_a16(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_16(fetchdat);
if (mod == 3)
{
MM[reg].l[0] = cpu_state.regs[rm].l;
MM[reg].l[1] = 0;
CLOCK_CYCLES(1);
}
else
{
uint32_t dst;
dst = readmeml(easeg, eaaddr); if (abrt) return 1;
MM[reg].l[0] = dst;
MM[reg].l[1] = 0;
CLOCK_CYCLES(2);
}
return 0;
}
static int opMOVD_l_mm_a32(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_32(fetchdat);
if (mod == 3)
{
MM[reg].l[0] = cpu_state.regs[rm].l;
MM[reg].l[1] = 0;
CLOCK_CYCLES(1);
}
else
{
uint32_t dst;
dst = readmeml(easeg, eaaddr); if (abrt) return 1;
MM[reg].l[0] = dst;
MM[reg].l[1] = 0;
CLOCK_CYCLES(2);
}
return 0;
}
static int opMOVD_mm_l_a16(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_16(fetchdat);
if (mod == 3)
{
cpu_state.regs[rm].l = MM[reg].l[0];
CLOCK_CYCLES(1);
}
else
{
CHECK_WRITE(ea_seg, eaaddr, eaaddr + 3);
writememl(easeg, eaaddr, MM[reg].l[0]); if (abrt) return 1;
CLOCK_CYCLES(2);
}
return 0;
}
static int opMOVD_mm_l_a32(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_32(fetchdat);
if (mod == 3)
{
cpu_state.regs[rm].l = MM[reg].l[0];
CLOCK_CYCLES(1);
}
else
{
CHECK_WRITE(ea_seg, eaaddr, eaaddr + 3);
writememl(easeg, eaaddr, MM[reg].l[0]); if (abrt) return 1;
CLOCK_CYCLES(2);
}
return 0;
}
static int opMOVQ_q_mm_a16(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_16(fetchdat);
if (mod == 3)
{
MM[reg].q = MM[rm].q;
CLOCK_CYCLES(1);
}
else
{
uint64_t dst;
dst = readmemq(easeg, eaaddr); if (abrt) return 1;
MM[reg].q = dst;
CLOCK_CYCLES(2);
}
return 0;
}
static int opMOVQ_q_mm_a32(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_32(fetchdat);
if (mod == 3)
{
MM[reg].q = MM[rm].q;
CLOCK_CYCLES(1);
}
else
{
uint64_t dst;
dst = readmemq(easeg, eaaddr); if (abrt) return 1;
MM[reg].q = dst;
CLOCK_CYCLES(2);
}
return 0;
}
static int opMOVQ_mm_q_a16(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_16(fetchdat);
if (mod == 3)
{
MM[rm].q = MM[reg].q;
CLOCK_CYCLES(1);
}
else
{
CHECK_WRITE(ea_seg, eaaddr, eaaddr + 7);
writememq(easeg, eaaddr, MM[reg].l[0]); if (abrt) return 1;
CLOCK_CYCLES(2);
}
return 0;
}
static int opMOVQ_mm_q_a32(uint32_t fetchdat)
{
MMX_ENTER();
fetch_ea_32(fetchdat);
if (mod == 3)
{
MM[rm].q = MM[reg].q;
CLOCK_CYCLES(1);
}
else
{
CHECK_WRITE(ea_seg, eaaddr, eaaddr + 7);
writememq(easeg, eaaddr, MM[reg].q); if (abrt) return 1;
CLOCK_CYCLES(2);
}
return 0;
}