Files
86Box/src/cpu_common/x86_ops_movx.h
2020-02-29 19:12:23 +01:00

210 lines
6.5 KiB
C

static int opMOVZX_w_b_a16(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteab(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].w = (uint16_t)temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
}
static int opMOVZX_w_b_a32(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteab(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].w = (uint16_t)temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
}
static int opMOVZX_l_b_a16(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteab(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
}
static int opMOVZX_l_b_a32(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteab(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
}
static int opMOVZX_w_w_a16(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteaw(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].w = temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
}
static int opMOVZX_w_w_a32(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteaw(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].w = temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
}
static int opMOVZX_l_w_a16(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteaw(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
}
static int opMOVZX_l_w_a32(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteaw(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
}
static int opMOVSX_w_b_a16(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteab(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].w = (uint16_t)temp;
if (temp & 0x80)
cpu_state.regs[cpu_reg].w |= 0xff00;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
}
static int opMOVSX_w_b_a32(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteab(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].w = (uint16_t)temp;
if (temp & 0x80)
cpu_state.regs[cpu_reg].w |= 0xff00;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
}
static int opMOVSX_l_b_a16(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteab(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
if (temp & 0x80)
cpu_state.regs[cpu_reg].l |= 0xffffff00;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
}
static int opMOVSX_l_b_a32(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteab(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
if (temp & 0x80)
cpu_state.regs[cpu_reg].l |= 0xffffff00;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
}
static int opMOVSX_l_w_a16(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteaw(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
if (temp & 0x8000)
cpu_state.regs[cpu_reg].l |= 0xffff0000;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
}
static int opMOVSX_l_w_a32(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteaw(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
if (temp & 0x8000)
cpu_state.regs[cpu_reg].l |= 0xffff0000;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
}