#ifndef _X86_OPS_STACK_H_
#define _X86_OPS_STACK_H_
#define PUSH_W_OP(reg)                                                                                                           \
        static int opPUSH_##reg(uint32_t fetchdat) {                                                                             \
                PUSH_W(reg);                                                                                                     \
                CLOCK_CYCLES((is486) ? 1 : 2);                                                                                   \
                PREFETCH_RUN(2, 1, -1, 0, 0, 1, 0, 0);                                                                           \
                return cpu_state.abrt;                                                                                           \
        }

#define PUSH_L_OP(reg)                                                                                                           \
        static int opPUSH_##reg(uint32_t fetchdat) {                                                                             \
                PUSH_L(reg);                                                                                                     \
                CLOCK_CYCLES((is486) ? 1 : 2);                                                                                   \
                PREFETCH_RUN(2, 1, -1, 0, 0, 0, 1, 0);                                                                           \
                return cpu_state.abrt;                                                                                           \
        }

#define POP_W_OP(reg)                                                                                                            \
        static int opPOP_##reg(uint32_t fetchdat) {                                                                              \
                reg = POP_W();                                                                                                   \
                CLOCK_CYCLES((is486) ? 1 : 4);                                                                                   \
                PREFETCH_RUN(4, 1, -1, 1, 0, 0, 0, 0);                                                                           \
                return cpu_state.abrt;                                                                                           \
        }

#define POP_L_OP(reg)                                                                                                            \
        static int opPOP_##reg(uint32_t fetchdat) {                                                                              \
                reg = POP_L();                                                                                                   \
                CLOCK_CYCLES((is486) ? 1 : 4);                                                                                   \
                PREFETCH_RUN(4, 1, -1, 0, 1, 0, 0, 0);                                                                           \
                return cpu_state.abrt;                                                                                           \
        }

PUSH_W_OP(AX)
PUSH_W_OP(BX)
PUSH_W_OP(CX)
PUSH_W_OP(DX)
PUSH_W_OP(SI)
PUSH_W_OP(DI)
PUSH_W_OP(BP)
PUSH_W_OP(SP)

PUSH_L_OP(EAX)
PUSH_L_OP(EBX)
PUSH_L_OP(ECX)
PUSH_L_OP(EDX)
PUSH_L_OP(ESI)
PUSH_L_OP(EDI)
PUSH_L_OP(EBP)
PUSH_L_OP(ESP)

POP_W_OP(AX)
POP_W_OP(BX)
POP_W_OP(CX)
POP_W_OP(DX)
POP_W_OP(SI)
POP_W_OP(DI)
POP_W_OP(BP)
POP_W_OP(SP)

POP_L_OP(EAX)
POP_L_OP(EBX)
POP_L_OP(ECX)
POP_L_OP(EDX)
POP_L_OP(ESI)
POP_L_OP(EDI)
POP_L_OP(EBP)
POP_L_OP(ESP)

static int opPUSHA_w(uint32_t fetchdat) {
        if (stack32) {
                writememw(ss, ESP - 2, AX);
                writememw(ss, ESP - 4, CX);
                writememw(ss, ESP - 6, DX);
                writememw(ss, ESP - 8, BX);
                writememw(ss, ESP - 10, SP);
                writememw(ss, ESP - 12, BP);
                writememw(ss, ESP - 14, SI);
                writememw(ss, ESP - 16, DI);
                if (!cpu_state.abrt)
                        ESP -= 16;
        } else {
                writememw(ss, ((SP - 2) & 0xFFFF), AX);
                writememw(ss, ((SP - 4) & 0xFFFF), CX);
                writememw(ss, ((SP - 6) & 0xFFFF), DX);
                writememw(ss, ((SP - 8) & 0xFFFF), BX);
                writememw(ss, ((SP - 10) & 0xFFFF), SP);
                writememw(ss, ((SP - 12) & 0xFFFF), BP);
                writememw(ss, ((SP - 14) & 0xFFFF), SI);
                writememw(ss, ((SP - 16) & 0xFFFF), DI);
                if (!cpu_state.abrt)
                        SP -= 16;
        }
        CLOCK_CYCLES((is486) ? 11 : 18);
        PREFETCH_RUN(18, 1, -1, 0, 0, 8, 0, 0);
        return cpu_state.abrt;
}
static int opPUSHA_l(uint32_t fetchdat) {
        if (stack32) {
                writememl(ss, ESP - 4, EAX);
                writememl(ss, ESP - 8, ECX);
                writememl(ss, ESP - 12, EDX);
                writememl(ss, ESP - 16, EBX);
                writememl(ss, ESP - 20, ESP);
                writememl(ss, ESP - 24, EBP);
                writememl(ss, ESP - 28, ESI);
                writememl(ss, ESP - 32, EDI);
                if (!cpu_state.abrt)
                        ESP -= 32;
        } else {
                writememl(ss, ((SP - 4) & 0xFFFF), EAX);
                writememl(ss, ((SP - 8) & 0xFFFF), ECX);
                writememl(ss, ((SP - 12) & 0xFFFF), EDX);
                writememl(ss, ((SP - 16) & 0xFFFF), EBX);
                writememl(ss, ((SP - 20) & 0xFFFF), ESP);
                writememl(ss, ((SP - 24) & 0xFFFF), EBP);
                writememl(ss, ((SP - 28) & 0xFFFF), ESI);
                writememl(ss, ((SP - 32) & 0xFFFF), EDI);
                if (!cpu_state.abrt)
                        SP -= 32;
        }
        CLOCK_CYCLES((is486) ? 11 : 18);
        PREFETCH_RUN(18, 1, -1, 0, 0, 0, 8, 0);
        return cpu_state.abrt;
}

static int opPOPA_w(uint32_t fetchdat) {
        if (stack32) {
                DI = readmemw(ss, ESP);
                if (cpu_state.abrt)
                        return 1;
                SI = readmemw(ss, ESP + 2);
                if (cpu_state.abrt)
                        return 1;
                BP = readmemw(ss, ESP + 4);
                if (cpu_state.abrt)
                        return 1;
                BX = readmemw(ss, ESP + 8);
                if (cpu_state.abrt)
                        return 1;
                DX = readmemw(ss, ESP + 10);
                if (cpu_state.abrt)
                        return 1;
                CX = readmemw(ss, ESP + 12);
                if (cpu_state.abrt)
                        return 1;
                AX = readmemw(ss, ESP + 14);
                if (cpu_state.abrt)
                        return 1;
                ESP += 16;
        } else {
                DI = readmemw(ss, ((SP)&0xFFFF));
                if (cpu_state.abrt)
                        return 1;
                SI = readmemw(ss, ((SP + 2) & 0xFFFF));
                if (cpu_state.abrt)
                        return 1;
                BP = readmemw(ss, ((SP + 4) & 0xFFFF));
                if (cpu_state.abrt)
                        return 1;
                BX = readmemw(ss, ((SP + 8) & 0xFFFF));
                if (cpu_state.abrt)
                        return 1;
                DX = readmemw(ss, ((SP + 10) & 0xFFFF));
                if (cpu_state.abrt)
                        return 1;
                CX = readmemw(ss, ((SP + 12) & 0xFFFF));
                if (cpu_state.abrt)
                        return 1;
                AX = readmemw(ss, ((SP + 14) & 0xFFFF));
                if (cpu_state.abrt)
                        return 1;
                SP += 16;
        }
        CLOCK_CYCLES((is486) ? 9 : 24);
        PREFETCH_RUN(24, 1, -1, 7, 0, 0, 0, 0);
        return 0;
}
static int opPOPA_l(uint32_t fetchdat) {
        if (stack32) {
                EDI = readmeml(ss, ESP);
                if (cpu_state.abrt)
                        return 1;
                ESI = readmeml(ss, ESP + 4);
                if (cpu_state.abrt)
                        return 1;
                EBP = readmeml(ss, ESP + 8);
                if (cpu_state.abrt)
                        return 1;
                EBX = readmeml(ss, ESP + 16);
                if (cpu_state.abrt)
                        return 1;
                EDX = readmeml(ss, ESP + 20);
                if (cpu_state.abrt)
                        return 1;
                ECX = readmeml(ss, ESP + 24);
                if (cpu_state.abrt)
                        return 1;
                EAX = readmeml(ss, ESP + 28);
                if (cpu_state.abrt)
                        return 1;
                ESP += 32;
        } else {
                EDI = readmeml(ss, ((SP)&0xFFFF));
                if (cpu_state.abrt)
                        return 1;
                ESI = readmeml(ss, ((SP + 4) & 0xFFFF));
                if (cpu_state.abrt)
                        return 1;
                EBP = readmeml(ss, ((SP + 8) & 0xFFFF));
                if (cpu_state.abrt)
                        return 1;
                EBX = readmeml(ss, ((SP + 16) & 0xFFFF));
                if (cpu_state.abrt)
                        return 1;
                EDX = readmeml(ss, ((SP + 20) & 0xFFFF));
                if (cpu_state.abrt)
                        return 1;
                ECX = readmeml(ss, ((SP + 24) & 0xFFFF));
                if (cpu_state.abrt)
                        return 1;
                EAX = readmeml(ss, ((SP + 28) & 0xFFFF));
                if (cpu_state.abrt)
                        return 1;
                SP += 32;
        }
        CLOCK_CYCLES((is486) ? 9 : 24);
        PREFETCH_RUN(24, 1, -1, 0, 7, 0, 0, 0);
        return 0;
}

static int opPUSH_imm_w(uint32_t fetchdat) {
        uint16_t val = getwordf();
        PUSH_W(val);
        CLOCK_CYCLES(2);
        PREFETCH_RUN(2, 3, -1, 0, 0, 1, 0, 0);
        return cpu_state.abrt;
}
static int opPUSH_imm_l(uint32_t fetchdat) {
        uint32_t val = getlong();
        if (cpu_state.abrt)
                return 1;
        PUSH_L(val);
        CLOCK_CYCLES(2);
        PREFETCH_RUN(2, 3, -1, 0, 0, 0, 1, 0);
        return cpu_state.abrt;
}

static int opPUSH_imm_bw(uint32_t fetchdat) {
        uint16_t tempw = getbytef();

        if (tempw & 0x80)
                tempw |= 0xFF00;
        PUSH_W(tempw);

        CLOCK_CYCLES(2);
        PREFETCH_RUN(2, 2, -1, 0, 0, 1, 0, 0);
        return cpu_state.abrt;
}
static int opPUSH_imm_bl(uint32_t fetchdat) {
        uint32_t templ = getbytef();

        if (templ & 0x80)
                templ |= 0xFFFFFF00;
        PUSH_L(templ);

        CLOCK_CYCLES(2);
        PREFETCH_RUN(2, 2, -1, 0, 0, 0, 1, 0);
        return cpu_state.abrt;
}

static int opPOPW_a16(uint32_t fetchdat) {
        uint16_t temp;

        temp = POP_W();
        if (cpu_state.abrt)
                return 1;

        fetch_ea_16(fetchdat);
        if (cpu_mod != 3)
                SEG_CHECK_WRITE(cpu_state.ea_seg);
        seteaw(temp);
        if (cpu_state.abrt) {
                if (stack32)
                        ESP -= 2;
                else
                        SP -= 2;
        }

        if (is486)
                CLOCK_CYCLES((cpu_mod == 3) ? 1 : 6);
        else
                CLOCK_CYCLES((cpu_mod == 3) ? 4 : 5);
        PREFETCH_RUN((cpu_mod == 3) ? 4 : 5, 2, rmdat, 1, 0, (cpu_mod == 3) ? 0 : 1, 0, 0);
        return cpu_state.abrt;
}
static int opPOPW_a32(uint32_t fetchdat) {
        uint16_t temp;

        temp = POP_W();
        if (cpu_state.abrt)
                return 1;

        fetch_ea_32(fetchdat);
        if (cpu_mod != 3)
                SEG_CHECK_WRITE(cpu_state.ea_seg);
        seteaw(temp);
        if (cpu_state.abrt) {
                if (stack32)
                        ESP -= 2;
                else
                        SP -= 2;
        }

        if (is486)
                CLOCK_CYCLES((cpu_mod == 3) ? 1 : 6);
        else
                CLOCK_CYCLES((cpu_mod == 3) ? 4 : 5);
        PREFETCH_RUN((cpu_mod == 3) ? 4 : 5, 2, rmdat, 1, 0, (cpu_mod == 3) ? 0 : 1, 0, 1);
        return cpu_state.abrt;
}

static int opPOPL_a16(uint32_t fetchdat) {
        uint32_t temp;

        temp = POP_L();
        if (cpu_state.abrt)
                return 1;

        fetch_ea_16(fetchdat);
        if (cpu_mod != 3)
                SEG_CHECK_WRITE(cpu_state.ea_seg);
        seteal(temp);
        if (cpu_state.abrt) {
                if (stack32)
                        ESP -= 4;
                else
                        SP -= 4;
        }

        if (is486)
                CLOCK_CYCLES((cpu_mod == 3) ? 1 : 6);
        else
                CLOCK_CYCLES((cpu_mod == 3) ? 4 : 5);
        PREFETCH_RUN((cpu_mod == 3) ? 4 : 5, 2, rmdat, 0, 1, 0, (cpu_mod == 3) ? 0 : 1, 0);
        return cpu_state.abrt;
}
static int opPOPL_a32(uint32_t fetchdat) {
        uint32_t temp;

        temp = POP_L();
        if (cpu_state.abrt)
                return 1;

        fetch_ea_32(fetchdat);
        if (cpu_mod != 3)
                SEG_CHECK_WRITE(cpu_state.ea_seg);
        seteal(temp);
        if (cpu_state.abrt) {
                if (stack32)
                        ESP -= 4;
                else
                        SP -= 4;
        }

        if (is486)
                CLOCK_CYCLES((cpu_mod == 3) ? 1 : 6);
        else
                CLOCK_CYCLES((cpu_mod == 3) ? 4 : 5);
        PREFETCH_RUN((cpu_mod == 3) ? 4 : 5, 2, rmdat, 0, 1, 0, (cpu_mod == 3) ? 0 : 1, 1);
        return cpu_state.abrt;
}

static int opENTER_w(uint32_t fetchdat) {
        uint16_t offset = getwordf();
        int count = (fetchdat >> 16) & 0xff;
        cpu_state.pc++;
        uint32_t tempEBP = EBP, tempESP = ESP, frame_ptr;
        int reads = 0, writes = 1, instr_cycles = 0;

        PUSH_W(BP);
        if (cpu_state.abrt)
                return 1;
        frame_ptr = ESP;

        if (count > 0) {
                while (--count) {
                        uint16_t tempw;

                        BP -= 2;
                        tempw = readmemw(ss, BP);
                        if (cpu_state.abrt) {
                                ESP = tempESP;
                                EBP = tempEBP;
                                return 1;
                        }
                        PUSH_W(tempw);
                        if (cpu_state.abrt) {
                                ESP = tempESP;
                                EBP = tempEBP;
                                return 1;
                        }
                        CLOCK_CYCLES((is486) ? 3 : 4);
                        reads++;
                        writes++;
                        instr_cycles += (is486) ? 3 : 4;
                }
                PUSH_W(frame_ptr);
                if (cpu_state.abrt) {
                        ESP = tempESP;
                        EBP = tempEBP;
                        return 1;
                }
                CLOCK_CYCLES((is486) ? 3 : 5);
                writes++;
                instr_cycles += (is486) ? 3 : 5;
        }
        BP = frame_ptr;

        if (stack32)
                ESP -= offset;
        else
                SP -= offset;
        CLOCK_CYCLES((is486) ? 14 : 10);
        instr_cycles += (is486) ? 14 : 10;
        PREFETCH_RUN(instr_cycles, 3, -1, reads, 0, writes, 0, 0);
        return 0;
}
static int opENTER_l(uint32_t fetchdat) {
        uint16_t offset = getwordf();
        int count = (fetchdat >> 16) & 0xff;
        cpu_state.pc++;
        uint32_t tempEBP = EBP, tempESP = ESP, frame_ptr;
        int reads = 0, writes = 1, instr_cycles = 0;

        PUSH_L(EBP);
        if (cpu_state.abrt)
                return 1;
        frame_ptr = ESP;

        if (count > 0) {
                while (--count) {
                        uint32_t templ;

                        EBP -= 4;
                        templ = readmeml(ss, EBP);
                        if (cpu_state.abrt) {
                                ESP = tempESP;
                                EBP = tempEBP;
                                return 1;
                        }
                        PUSH_L(templ);
                        if (cpu_state.abrt) {
                                ESP = tempESP;
                                EBP = tempEBP;
                                return 1;
                        }
                        CLOCK_CYCLES((is486) ? 3 : 4);
                        reads++;
                        writes++;
                        instr_cycles += (is486) ? 3 : 4;
                }
                PUSH_L(frame_ptr);
                if (cpu_state.abrt) {
                        ESP = tempESP;
                        EBP = tempEBP;
                        return 1;
                }
                CLOCK_CYCLES((is486) ? 3 : 5);
                writes++;
                instr_cycles += (is486) ? 3 : 5;
        }
        EBP = frame_ptr;

        if (stack32)
                ESP -= offset;
        else
                SP -= offset;
        CLOCK_CYCLES((is486) ? 14 : 10);
        instr_cycles += (is486) ? 14 : 10;
        PREFETCH_RUN(instr_cycles, 3, -1, reads, 0, writes, 0, 0);
        return 0;
}

static int opLEAVE_w(uint32_t fetchdat) {
        uint32_t tempESP = ESP;
        uint16_t temp;

        SP = BP;
        temp = POP_W();
        if (cpu_state.abrt) {
                ESP = tempESP;
                return 1;
        }
        BP = temp;

        CLOCK_CYCLES(4);
        PREFETCH_RUN(4, 1, -1, 1, 0, 0, 0, 0);
        return 0;
}
static int opLEAVE_l(uint32_t fetchdat) {
        uint32_t tempESP = ESP;
        uint32_t temp;

        ESP = EBP;
        temp = POP_L();
        if (cpu_state.abrt) {
                ESP = tempESP;
                return 1;
        }
        EBP = temp;

        CLOCK_CYCLES(4);
        PREFETCH_RUN(4, 1, -1, 0, 1, 0, 0, 0);
        return 0;
}

#define PUSH_SEG_OPS(seg)                                                                                                        \
        static int opPUSH_##seg##_w(uint32_t fetchdat) {                                                                         \
                PUSH_W(seg);                                                                                                     \
                CLOCK_CYCLES(2);                                                                                                 \
                PREFETCH_RUN(2, 1, -1, 0, 0, 1, 0, 0);                                                                           \
                return cpu_state.abrt;                                                                                           \
        }                                                                                                                        \
        static int opPUSH_##seg##_l(uint32_t fetchdat) {                                                                         \
                PUSH_L(seg);                                                                                                     \
                CLOCK_CYCLES(2);                                                                                                 \
                PREFETCH_RUN(2, 1, -1, 0, 0, 0, 1, 0);                                                                           \
                return cpu_state.abrt;                                                                                           \
        }

#define POP_SEG_OPS(seg, realseg)                                                                                                \
        static int opPOP_##seg##_w(uint32_t fetchdat) {                                                                          \
                uint16_t temp_seg;                                                                                               \
                uint32_t temp_esp = ESP;                                                                                         \
                temp_seg = POP_W();                                                                                              \
                if (cpu_state.abrt)                                                                                              \
                        return 1;                                                                                                \
                loadseg(temp_seg, realseg);                                                                                      \
                if (cpu_state.abrt)                                                                                              \
                        ESP = temp_esp;                                                                                          \
                CLOCK_CYCLES(is486 ? 3 : 7);                                                                                     \
                PREFETCH_RUN(is486 ? 3 : 7, 1, -1, 0, 0, 1, 0, 0);                                                               \
                return cpu_state.abrt;                                                                                           \
        }                                                                                                                        \
        static int opPOP_##seg##_l(uint32_t fetchdat) {                                                                          \
                uint32_t temp_seg;                                                                                               \
                uint32_t temp_esp = ESP;                                                                                         \
                temp_seg = POP_L();                                                                                              \
                if (cpu_state.abrt)                                                                                              \
                        return 1;                                                                                                \
                loadseg(temp_seg & 0xffff, realseg);                                                                             \
                if (cpu_state.abrt)                                                                                              \
                        ESP = temp_esp;                                                                                          \
                CLOCK_CYCLES(is486 ? 3 : 7);                                                                                     \
                PREFETCH_RUN(is486 ? 3 : 7, 1, -1, 0, 0, 1, 0, 0);                                                               \
                return cpu_state.abrt;                                                                                           \
        }

PUSH_SEG_OPS(CS);
PUSH_SEG_OPS(DS);
PUSH_SEG_OPS(ES);
PUSH_SEG_OPS(FS);
PUSH_SEG_OPS(GS);
PUSH_SEG_OPS(SS);

POP_SEG_OPS(DS, &cpu_state.seg_ds);
POP_SEG_OPS(ES, &cpu_state.seg_es);
POP_SEG_OPS(FS, &cpu_state.seg_fs);
POP_SEG_OPS(GS, &cpu_state.seg_gs);

static int opPOP_SS_w(uint32_t fetchdat) {
        uint16_t temp_seg;
        uint32_t temp_esp = ESP;
        temp_seg = POP_W();
        if (cpu_state.abrt)
                return 1;
        loadseg(temp_seg, &cpu_state.seg_ss);
        if (cpu_state.abrt) {
                ESP = temp_esp;
                return 1;
        }
        CLOCK_CYCLES(is486 ? 3 : 7);
        PREFETCH_RUN(is486 ? 3 : 7, 1, -1, 0, 0, 1, 0, 0);

        cpu_state.oldpc = cpu_state.pc;
        cpu_state.op32 = use32;
        cpu_state.ssegs = 0;
        cpu_state.ea_seg = &cpu_state.seg_ds;
        fetchdat = fastreadl(cs + cpu_state.pc);
        cpu_state.pc++;
        if (cpu_state.abrt)
                return 1;
        x86_opcodes[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);

        return 1;
}
static int opPOP_SS_l(uint32_t fetchdat) {
        uint32_t temp_seg;
        uint32_t temp_esp = ESP;
        temp_seg = POP_L();
        if (cpu_state.abrt)
                return 1;
        loadseg(temp_seg & 0xffff, &cpu_state.seg_ss);
        if (cpu_state.abrt) {
                ESP = temp_esp;
                return 1;
        }
        CLOCK_CYCLES(is486 ? 3 : 7);
        PREFETCH_RUN(is486 ? 3 : 7, 1, -1, 0, 0, 1, 0, 0);

        cpu_state.oldpc = cpu_state.pc;
        cpu_state.op32 = use32;
        cpu_state.ssegs = 0;
        cpu_state.ea_seg = &cpu_state.seg_ds;
        fetchdat = fastreadl(cs + cpu_state.pc);
        cpu_state.pc++;
        if (cpu_state.abrt)
                return 1;
        x86_opcodes[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);

        return 1;
}

#endif /* _X86_OPS_STACK_H_ */
