Files
86Box/src/x86_ops_movx.h
OBattler 1ddad56c8c Added support for the D86F floppy image format I invented that allows things not possible with IMG images;
Applied all mainline PCem commits;
Settings dialog now says 86Box instead of PCem;
Manifest renamed from PCem to 86Box.
2016-08-31 22:49:56 +02:00

168 lines
4.5 KiB
C

static int opMOVZX_w_b_a16(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_16(fetchdat);
temp = geteab(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].w = (uint16_t)temp;
CLOCK_CYCLES(3);
return 0;
}
static int opMOVZX_w_b_a32(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_32(fetchdat);
temp = geteab(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].w = (uint16_t)temp;
CLOCK_CYCLES(3);
return 0;
}
static int opMOVZX_l_b_a16(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_16(fetchdat);
temp = geteab(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
CLOCK_CYCLES(3);
return 0;
}
static int opMOVZX_l_b_a32(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_32(fetchdat);
temp = geteab(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
CLOCK_CYCLES(3);
return 0;
}
static int opMOVZX_w_w_a16(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_16(fetchdat);
temp = geteaw(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].w = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opMOVZX_w_w_a32(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_32(fetchdat);
temp = geteaw(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].w = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opMOVZX_l_w_a16(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_16(fetchdat);
temp = geteaw(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
CLOCK_CYCLES(3);
return 0;
}
static int opMOVZX_l_w_a32(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_32(fetchdat);
temp = geteaw(); if (cpu_state.abrt) return 1;
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
CLOCK_CYCLES(3);
return 0;
}
static int opMOVSX_w_b_a16(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_16(fetchdat);
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);
return 0;
}
static int opMOVSX_w_b_a32(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_32(fetchdat);
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);
return 0;
}
static int opMOVSX_l_b_a16(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_16(fetchdat);
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);
return 0;
}
static int opMOVSX_l_b_a32(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_32(fetchdat);
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);
return 0;
}
static int opMOVSX_l_w_a16(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_16(fetchdat);
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);
return 0;
}
static int opMOVSX_l_w_a32(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_32(fetchdat);
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);
return 0;
}