Files
pcem/includes/private/cpu/x86_ops_arith.h
2022-06-23 11:26:13 -07:00

915 lines
66 KiB
C

#ifndef _X86_OPS_ARITH_H_
#define _X86_OPS_ARITH_H_
#define OP_ARITH(name, operation, setflags, flagops, gettempc) \
static int op##name##_b_rmw_a16(uint32_t fetchdat) { \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
fetch_ea_16(fetchdat); \
if (cpu_mod == 3) { \
uint8_t dst = getr8(cpu_rm); \
uint8_t src = getr8(cpu_reg); \
setflags##8 flagops; \
setr8(cpu_rm, operation); \
CLOCK_CYCLES(timing_rr); \
PREFETCH_RUN(timing_rr, 2, rmdat, 0, 0, 0, 0, 0); \
} else { \
uint8_t dst; \
SEG_CHECK_WRITE(cpu_state.ea_seg); \
dst = geteab(); \
if (cpu_state.abrt) \
return 1; \
uint8_t src = getr8(cpu_reg); \
seteab(operation); \
if (cpu_state.abrt) \
return 1; \
setflags##8 flagops; \
CLOCK_CYCLES(timing_mr); \
PREFETCH_RUN(timing_mr, 2, rmdat, 1, 0, 1, 0, 0); \
} \
return 0; \
} \
static int op##name##_b_rmw_a32(uint32_t fetchdat) { \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
fetch_ea_32(fetchdat); \
if (cpu_mod == 3) { \
uint8_t dst = getr8(cpu_rm); \
uint8_t src = getr8(cpu_reg); \
setflags##8 flagops; \
setr8(cpu_rm, operation); \
CLOCK_CYCLES(timing_rr); \
PREFETCH_RUN(timing_rr, 2, rmdat, 0, 0, 0, 0, 1); \
} else { \
uint8_t dst; \
SEG_CHECK_WRITE(cpu_state.ea_seg); \
dst = geteab(); \
if (cpu_state.abrt) \
return 1; \
uint8_t src = getr8(cpu_reg); \
seteab(operation); \
if (cpu_state.abrt) \
return 1; \
setflags##8 flagops; \
CLOCK_CYCLES(timing_mr); \
PREFETCH_RUN(timing_mr, 2, rmdat, 1, 0, 1, 0, 1); \
} \
return 0; \
} \
\
static int op##name##_w_rmw_a16(uint32_t fetchdat) { \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
fetch_ea_16(fetchdat); \
if (cpu_mod == 3) { \
uint16_t dst = cpu_state.regs[cpu_rm].w; \
uint16_t src = cpu_state.regs[cpu_reg].w; \
setflags##16 flagops; \
cpu_state.regs[cpu_rm].w = operation; \
CLOCK_CYCLES(timing_rr); \
PREFETCH_RUN(timing_rr, 2, rmdat, 0, 0, 0, 0, 0); \
} else { \
uint16_t dst; \
SEG_CHECK_WRITE(cpu_state.ea_seg); \
dst = geteaw(); \
if (cpu_state.abrt) \
return 1; \
uint16_t src = cpu_state.regs[cpu_reg].w; \
seteaw(operation); \
if (cpu_state.abrt) \
return 1; \
setflags##16 flagops; \
CLOCK_CYCLES(timing_mr); \
PREFETCH_RUN(timing_rr, 2, rmdat, 1, 0, 1, 0, 0); \
} \
return 0; \
} \
static int op##name##_w_rmw_a32(uint32_t fetchdat) { \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
fetch_ea_32(fetchdat); \
if (cpu_mod == 3) { \
uint16_t dst = cpu_state.regs[cpu_rm].w; \
uint16_t src = cpu_state.regs[cpu_reg].w; \
setflags##16 flagops; \
cpu_state.regs[cpu_rm].w = operation; \
CLOCK_CYCLES(timing_rr); \
PREFETCH_RUN(timing_rr, 2, rmdat, 0, 0, 0, 0, 1); \
} else { \
uint16_t dst; \
SEG_CHECK_WRITE(cpu_state.ea_seg); \
dst = geteaw(); \
if (cpu_state.abrt) \
return 1; \
uint16_t src = cpu_state.regs[cpu_reg].w; \
seteaw(operation); \
if (cpu_state.abrt) \
return 1; \
setflags##16 flagops; \
CLOCK_CYCLES(timing_mr); \
PREFETCH_RUN(timing_rr, 2, rmdat, 1, 0, 1, 0, 1); \
} \
return 0; \
} \
\
static int op##name##_l_rmw_a16(uint32_t fetchdat) { \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
fetch_ea_16(fetchdat); \
if (cpu_mod == 3) { \
uint32_t dst = cpu_state.regs[cpu_rm].l; \
uint32_t src = cpu_state.regs[cpu_reg].l; \
setflags##32 flagops; \
cpu_state.regs[cpu_rm].l = operation; \
CLOCK_CYCLES(timing_rr); \
PREFETCH_RUN(timing_rr, 2, rmdat, 0, 0, 0, 0, 0); \
} else { \
uint32_t dst; \
SEG_CHECK_WRITE(cpu_state.ea_seg); \
dst = geteal(); \
if (cpu_state.abrt) \
return 1; \
uint32_t src = cpu_state.regs[cpu_reg].l; \
seteal(operation); \
if (cpu_state.abrt) \
return 1; \
setflags##32 flagops; \
CLOCK_CYCLES(timing_mr); \
PREFETCH_RUN(timing_rr, 2, rmdat, 0, 1, 0, 1, 0); \
} \
return 0; \
} \
static int op##name##_l_rmw_a32(uint32_t fetchdat) { \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
fetch_ea_32(fetchdat); \
if (cpu_mod == 3) { \
uint32_t dst = cpu_state.regs[cpu_rm].l; \
uint32_t src = cpu_state.regs[cpu_reg].l; \
setflags##32 flagops; \
cpu_state.regs[cpu_rm].l = operation; \
CLOCK_CYCLES(timing_rr); \
PREFETCH_RUN(timing_rr, 2, rmdat, 0, 0, 0, 0, 1); \
} else { \
uint32_t dst; \
SEG_CHECK_WRITE(cpu_state.ea_seg); \
dst = geteal(); \
if (cpu_state.abrt) \
return 1; \
uint32_t src = cpu_state.regs[cpu_reg].l; \
seteal(operation); \
if (cpu_state.abrt) \
return 1; \
setflags##32 flagops; \
CLOCK_CYCLES(timing_mr); \
PREFETCH_RUN(timing_rr, 2, rmdat, 0, 1, 0, 1, 1); \
} \
return 0; \
} \
\
static int op##name##_b_rm_a16(uint32_t fetchdat) { \
uint8_t dst, src; \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
fetch_ea_16(fetchdat); \
if (cpu_mod != 3) \
SEG_CHECK_READ(cpu_state.ea_seg); \
dst = getr8(cpu_reg); \
src = geteab(); \
if (cpu_state.abrt) \
return 1; \
setflags##8 flagops; \
setr8(cpu_reg, operation); \
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_rm); \
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 0); \
return 0; \
} \
static int op##name##_b_rm_a32(uint32_t fetchdat) { \
uint8_t dst, src; \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
fetch_ea_32(fetchdat); \
if (cpu_mod != 3) \
SEG_CHECK_READ(cpu_state.ea_seg); \
dst = getr8(cpu_reg); \
src = geteab(); \
if (cpu_state.abrt) \
return 1; \
setflags##8 flagops; \
setr8(cpu_reg, operation); \
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_rm); \
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 1); \
return 0; \
} \
\
static int op##name##_w_rm_a16(uint32_t fetchdat) { \
uint16_t dst, src; \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
fetch_ea_16(fetchdat); \
if (cpu_mod != 3) \
SEG_CHECK_READ(cpu_state.ea_seg); \
dst = cpu_state.regs[cpu_reg].w; \
src = geteaw(); \
if (cpu_state.abrt) \
return 1; \
setflags##16 flagops; \
cpu_state.regs[cpu_reg].w = operation; \
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_rm); \
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 0); \
return 0; \
} \
static int op##name##_w_rm_a32(uint32_t fetchdat) { \
uint16_t dst, src; \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
fetch_ea_32(fetchdat); \
if (cpu_mod != 3) \
SEG_CHECK_READ(cpu_state.ea_seg); \
dst = cpu_state.regs[cpu_reg].w; \
src = geteaw(); \
if (cpu_state.abrt) \
return 1; \
setflags##16 flagops; \
cpu_state.regs[cpu_reg].w = operation; \
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_rm); \
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 1); \
return 0; \
} \
\
static int op##name##_l_rm_a16(uint32_t fetchdat) { \
uint32_t dst, src; \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
fetch_ea_16(fetchdat); \
if (cpu_mod != 3) \
SEG_CHECK_READ(cpu_state.ea_seg); \
dst = cpu_state.regs[cpu_reg].l; \
src = geteal(); \
if (cpu_state.abrt) \
return 1; \
setflags##32 flagops; \
cpu_state.regs[cpu_reg].l = operation; \
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_rml); \
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0, 0, 0); \
return 0; \
} \
static int op##name##_l_rm_a32(uint32_t fetchdat) { \
uint32_t dst, src; \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
fetch_ea_32(fetchdat); \
if (cpu_mod != 3) \
SEG_CHECK_READ(cpu_state.ea_seg); \
dst = cpu_state.regs[cpu_reg].l; \
src = geteal(); \
if (cpu_state.abrt) \
return 1; \
setflags##32 flagops; \
cpu_state.regs[cpu_reg].l = operation; \
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_rml); \
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0, 0, 1); \
return 0; \
} \
\
static int op##name##_AL_imm(uint32_t fetchdat) { \
uint8_t dst = AL; \
uint8_t src = getbytef(); \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
setflags##8 flagops; \
AL = operation; \
CLOCK_CYCLES(timing_rr); \
PREFETCH_RUN(timing_rr, 2, -1, 0, 0, 0, 0, 0); \
return 0; \
} \
\
static int op##name##_AX_imm(uint32_t fetchdat) { \
uint16_t dst = AX; \
uint16_t src = getwordf(); \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
setflags##16 flagops; \
AX = operation; \
CLOCK_CYCLES(timing_rr); \
PREFETCH_RUN(timing_rr, 3, -1, 0, 0, 0, 0, 0); \
return 0; \
} \
\
static int op##name##_EAX_imm(uint32_t fetchdat) { \
uint32_t dst = EAX; \
uint32_t src = getlong(); \
if (cpu_state.abrt) \
return 1; \
if (gettempc) \
tempc = CF_SET() ? 1 : 0; \
setflags##32 flagops; \
EAX = operation; \
CLOCK_CYCLES(timing_rr); \
PREFETCH_RUN(timing_rr, 5, -1, 0, 0, 0, 0, 0); \
return 0; \
}
OP_ARITH(ADD, dst + src, setadd, (dst, src), 0)
OP_ARITH(ADC, dst + src + tempc, setadc, (dst, src), 1)
OP_ARITH(SUB, dst - src, setsub, (dst, src), 0)
OP_ARITH(SBB, dst - (src + tempc), setsbc, (dst, src), 1)
OP_ARITH(OR, dst | src, setznp, (dst | src), 0)
OP_ARITH(AND, dst &src, setznp, (dst & src), 0)
OP_ARITH(XOR, dst ^ src, setznp, (dst ^ src), 0)
static int opCMP_b_rmw_a16(uint32_t fetchdat) {
uint8_t dst;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
dst = geteab();
if (cpu_state.abrt)
return 1;
setsub8(dst, getr8(cpu_reg));
if (is486)
CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else
CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 0);
return 0;
}
static int opCMP_b_rmw_a32(uint32_t fetchdat) {
uint8_t dst;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
dst = geteab();
if (cpu_state.abrt)
return 1;
setsub8(dst, getr8(cpu_reg));
if (is486)
CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else
CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 1);
return 0;
}
static int opCMP_w_rmw_a16(uint32_t fetchdat) {
uint16_t dst;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
dst = geteaw();
if (cpu_state.abrt)
return 1;
setsub16(dst, cpu_state.regs[cpu_reg].w);
if (is486)
CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else
CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 0);
return 0;
}
static int opCMP_w_rmw_a32(uint32_t fetchdat) {
uint16_t dst;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
dst = geteaw();
if (cpu_state.abrt)
return 1;
setsub16(dst, cpu_state.regs[cpu_reg].w);
if (is486)
CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else
CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 1);
return 0;
}
static int opCMP_l_rmw_a16(uint32_t fetchdat) {
uint32_t dst;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
dst = geteal();
if (cpu_state.abrt)
return 1;
setsub32(dst, cpu_state.regs[cpu_reg].l);
if (is486)
CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else
CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0, 0, 0);
return 0;
}
static int opCMP_l_rmw_a32(uint32_t fetchdat) {
uint32_t dst;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
dst = geteal();
if (cpu_state.abrt)
return 1;
setsub32(dst, cpu_state.regs[cpu_reg].l);
if (is486)
CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else
CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0, 0, 1);
return 0;
}
static int opCMP_b_rm_a16(uint32_t fetchdat) {
uint8_t src;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
src = geteab();
if (cpu_state.abrt)
return 1;
setsub8(getr8(cpu_reg), src);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_rm);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 0);
return 0;
}
static int opCMP_b_rm_a32(uint32_t fetchdat) {
uint8_t src;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
src = geteab();
if (cpu_state.abrt)
return 1;
setsub8(getr8(cpu_reg), src);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_rm);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 1);
return 0;
}
static int opCMP_w_rm_a16(uint32_t fetchdat) {
uint16_t src;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
src = geteaw();
if (cpu_state.abrt)
return 1;
setsub16(cpu_state.regs[cpu_reg].w, src);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_rm);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 0);
return 0;
}
static int opCMP_w_rm_a32(uint32_t fetchdat) {
uint16_t src;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
src = geteaw();
if (cpu_state.abrt)
return 1;
setsub16(cpu_state.regs[cpu_reg].w, src);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_rm);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 1);
return 0;
}
static int opCMP_l_rm_a16(uint32_t fetchdat) {
uint32_t src;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
src = geteal();
if (cpu_state.abrt)
return 1;
setsub32(cpu_state.regs[cpu_reg].l, src);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_rml);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0, 0, 0);
return 0;
}
static int opCMP_l_rm_a32(uint32_t fetchdat) {
uint32_t src;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
src = geteal();
if (cpu_state.abrt)
return 1;
setsub32(cpu_state.regs[cpu_reg].l, src);
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_rml);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0, 0, 1);
return 0;
}
static int opCMP_AL_imm(uint32_t fetchdat) {
uint8_t src = getbytef();
setsub8(AL, src);
CLOCK_CYCLES(timing_rr);
PREFETCH_RUN(timing_rr, 2, -1, 0, 0, 0, 0, 0);
return 0;
}
static int opCMP_AX_imm(uint32_t fetchdat) {
uint16_t src = getwordf();
setsub16(AX, src);
CLOCK_CYCLES(timing_rr);
PREFETCH_RUN(timing_rr, 3, -1, 0, 0, 0, 0, 0);
return 0;
}
static int opCMP_EAX_imm(uint32_t fetchdat) {
uint32_t src = getlong();
if (cpu_state.abrt)
return 1;
setsub32(EAX, src);
CLOCK_CYCLES(timing_rr);
PREFETCH_RUN(timing_rr, 5, -1, 0, 0, 0, 0, 0);
return 0;
}
static int opTEST_b_a16(uint32_t fetchdat) {
uint8_t temp, temp2;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteab();
if (cpu_state.abrt)
return 1;
temp2 = getr8(cpu_reg);
setznp8(temp & temp2);
if (is486)
CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else
CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 0);
return 0;
}
static int opTEST_b_a32(uint32_t fetchdat) {
uint8_t temp, temp2;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteab();
if (cpu_state.abrt)
return 1;
temp2 = getr8(cpu_reg);
setznp8(temp & temp2);
if (is486)
CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else
CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 1);
return 0;
}
static int opTEST_w_a16(uint32_t fetchdat) {
uint16_t temp, temp2;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteaw();
if (cpu_state.abrt)
return 1;
temp2 = cpu_state.regs[cpu_reg].w;
setznp16(temp & temp2);
if (is486)
CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else
CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 0);
return 0;
}
static int opTEST_w_a32(uint32_t fetchdat) {
uint16_t temp, temp2;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteaw();
if (cpu_state.abrt)
return 1;
temp2 = cpu_state.regs[cpu_reg].w;
setznp16(temp & temp2);
if (is486)
CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else
CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 1);
return 0;
}
static int opTEST_l_a16(uint32_t fetchdat) {
uint32_t temp, temp2;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteal();
if (cpu_state.abrt)
return 1;
temp2 = cpu_state.regs[cpu_reg].l;
setznp32(temp & temp2);
if (is486)
CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else
CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0, 0, 0);
return 0;
}
static int opTEST_l_a32(uint32_t fetchdat) {
uint32_t temp, temp2;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_READ(cpu_state.ea_seg);
temp = geteal();
if (cpu_state.abrt)
return 1;
temp2 = cpu_state.regs[cpu_reg].l;
setznp32(temp & temp2);
if (is486)
CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2);
else
CLOCK_CYCLES((cpu_mod == 3) ? 2 : 5);
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 2, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0, 0, 1);
return 0;
}
static int opTEST_AL(uint32_t fetchdat) {
uint8_t temp = getbytef();
setznp8(AL & temp);
CLOCK_CYCLES(timing_rr);
PREFETCH_RUN(timing_rr, 2, -1, 0, 0, 0, 0, 0);
return 0;
}
static int opTEST_AX(uint32_t fetchdat) {
uint16_t temp = getwordf();
setznp16(AX & temp);
CLOCK_CYCLES(timing_rr);
PREFETCH_RUN(timing_rr, 3, -1, 0, 0, 0, 0, 0);
return 0;
}
static int opTEST_EAX(uint32_t fetchdat) {
uint32_t temp = getlong();
if (cpu_state.abrt)
return 1;
setznp32(EAX & temp);
CLOCK_CYCLES(timing_rr);
PREFETCH_RUN(timing_rr, 5, -1, 0, 0, 0, 0, 0);
return 0;
}
#define ARITH_MULTI(ea_width, flag_width) \
dst = getea##ea_width(); \
if (cpu_state.abrt) \
return 1; \
switch (rmdat & 0x38) { \
case 0x00: /*ADD ea, #*/ \
setea##ea_width(dst + src); \
if (cpu_state.abrt) \
return 1; \
setadd##flag_width(dst, src); \
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mr); \
break; \
case 0x08: /*OR ea, #*/ \
dst |= src; \
setea##ea_width(dst); \
if (cpu_state.abrt) \
return 1; \
setznp##flag_width(dst); \
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mr); \
break; \
case 0x10: /*ADC ea, #*/ \
tempc = CF_SET() ? 1 : 0; \
setea##ea_width(dst + src + tempc); \
if (cpu_state.abrt) \
return 1; \
setadc##flag_width(dst, src); \
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mr); \
break; \
case 0x18: /*SBB ea, #*/ \
tempc = CF_SET() ? 1 : 0; \
setea##ea_width(dst - (src + tempc)); \
if (cpu_state.abrt) \
return 1; \
setsbc##flag_width(dst, src); \
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mr); \
break; \
case 0x20: /*AND ea, #*/ \
dst &= src; \
setea##ea_width(dst); \
if (cpu_state.abrt) \
return 1; \
setznp##flag_width(dst); \
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mr); \
break; \
case 0x28: /*SUB ea, #*/ \
setea##ea_width(dst - src); \
if (cpu_state.abrt) \
return 1; \
setsub##flag_width(dst, src); \
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mr); \
break; \
case 0x30: /*XOR ea, #*/ \
dst ^= src; \
setea##ea_width(dst); \
if (cpu_state.abrt) \
return 1; \
setznp##flag_width(dst); \
CLOCK_CYCLES((cpu_mod == 3) ? timing_rr : timing_mr); \
break; \
case 0x38: /*CMP ea, #*/ \
setsub##flag_width(dst, src); \
if (is486) \
CLOCK_CYCLES((cpu_mod == 3) ? 1 : 2); \
else \
CLOCK_CYCLES((cpu_mod == 3) ? 2 : 7); \
break; \
}
static int op80_a16(uint32_t fetchdat) {
uint8_t src, dst;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_WRITE(cpu_state.ea_seg);
src = getbyte();
if (cpu_state.abrt)
return 1;
ARITH_MULTI(b, 8);
if ((rmdat & 0x38) == 0x38)
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_mr, 3, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 0);
else
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 3, rmdat, (cpu_mod == 3) ? 0 : 1, 0, (cpu_mod == 3) ? 0 : 1,
0, 0);
return 0;
}
static int op80_a32(uint32_t fetchdat) {
uint8_t src, dst;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_WRITE(cpu_state.ea_seg);
src = getbyte();
if (cpu_state.abrt)
return 1;
ARITH_MULTI(b, 8);
if ((rmdat & 0x38) == 0x38)
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_mr, 3, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 1);
else
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 3, rmdat, (cpu_mod == 3) ? 0 : 1, 0, (cpu_mod == 3) ? 0 : 1,
0, 1);
return 0;
}
static int op81_w_a16(uint32_t fetchdat) {
uint16_t src, dst;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_WRITE(cpu_state.ea_seg);
src = getword();
if (cpu_state.abrt)
return 1;
ARITH_MULTI(w, 16);
if ((rmdat & 0x38) == 0x38)
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_mr, 4, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 0);
else
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 4, rmdat, (cpu_mod == 3) ? 0 : 1, 0, (cpu_mod == 3) ? 0 : 1,
0, 0);
return 0;
}
static int op81_w_a32(uint32_t fetchdat) {
uint16_t src, dst;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_WRITE(cpu_state.ea_seg);
src = getword();
if (cpu_state.abrt)
return 1;
ARITH_MULTI(w, 16);
if ((rmdat & 0x38) == 0x38)
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_mr, 4, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 1);
else
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 4, rmdat, (cpu_mod == 3) ? 0 : 1, 0, (cpu_mod == 3) ? 0 : 1,
0, 1);
return 0;
}
static int op81_l_a16(uint32_t fetchdat) {
uint32_t src, dst;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_WRITE(cpu_state.ea_seg);
src = getlong();
if (cpu_state.abrt)
return 1;
ARITH_MULTI(l, 32);
if ((rmdat & 0x38) == 0x38)
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_mr, 6, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0, 0, 0);
else
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 6, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0,
(cpu_mod == 3) ? 0 : 1, 0);
return 0;
}
static int op81_l_a32(uint32_t fetchdat) {
uint32_t src, dst;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_WRITE(cpu_state.ea_seg);
src = getlong();
if (cpu_state.abrt)
return 1;
ARITH_MULTI(l, 32);
if ((rmdat & 0x38) == 0x38)
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_mr, 6, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0, 0, 1);
else
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 6, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0,
(cpu_mod == 3) ? 0 : 1, 1);
return 0;
}
static int op83_w_a16(uint32_t fetchdat) {
uint16_t src, dst;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_WRITE(cpu_state.ea_seg);
src = getbyte();
if (cpu_state.abrt)
return 1;
if (src & 0x80)
src |= 0xff00;
ARITH_MULTI(w, 16);
if ((rmdat & 0x38) == 0x38)
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_mr, 3, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 0);
else
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 3, rmdat, (cpu_mod == 3) ? 0 : 1, 0, (cpu_mod == 3) ? 0 : 1,
0, 0);
return 0;
}
static int op83_w_a32(uint32_t fetchdat) {
uint16_t src, dst;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_WRITE(cpu_state.ea_seg);
src = getbyte();
if (cpu_state.abrt)
return 1;
if (src & 0x80)
src |= 0xff00;
ARITH_MULTI(w, 16);
if ((rmdat & 0x38) == 0x38)
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_mr, 3, rmdat, (cpu_mod == 3) ? 0 : 1, 0, 0, 0, 1);
else
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 3, rmdat, (cpu_mod == 3) ? 0 : 1, 0, (cpu_mod == 3) ? 0 : 1,
0, 1);
return 0;
}
static int op83_l_a16(uint32_t fetchdat) {
uint32_t src, dst;
fetch_ea_16(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_WRITE(cpu_state.ea_seg);
src = getbyte();
if (cpu_state.abrt)
return 1;
if (src & 0x80)
src |= 0xffffff00;
ARITH_MULTI(l, 32);
if ((rmdat & 0x38) == 0x38)
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_mr, 3, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0, 0, 0);
else
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 3, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0,
(cpu_mod == 3) ? 0 : 1, 0);
return 0;
}
static int op83_l_a32(uint32_t fetchdat) {
uint32_t src, dst;
fetch_ea_32(fetchdat);
if (cpu_mod != 3)
SEG_CHECK_WRITE(cpu_state.ea_seg);
src = getbyte();
if (cpu_state.abrt)
return 1;
if (src & 0x80)
src |= 0xffffff00;
ARITH_MULTI(l, 32);
if ((rmdat & 0x38) == 0x38)
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_mr, 3, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0, 0, 1);
else
PREFETCH_RUN((cpu_mod == 3) ? timing_rr : timing_rm, 3, rmdat, 0, (cpu_mod == 3) ? 0 : 1, 0,
(cpu_mod == 3) ? 0 : 1, 1);
return 0;
}
#endif /* _X86_OPS_ARITH_H_ */