#define op_seg(name, seg, opcode_table, normal_opcode_table)                  \
    static int op##name##_w_a16(uint32_t fetchdat)                            \
    {                                                                         \
        fetchdat = fastreadl(cs + cpu_state.pc);                              \
        if (cpu_state.abrt)                                                   \
            return 1;                                                         \
        cpu_state.pc++;                                                       \
                                                                              \
        cpu_state.ea_seg = &seg;                                              \
        cpu_state.ssegs  = 1;                                                 \
        CLOCK_CYCLES(4);                                                      \
        PREFETCH_PREFIX();                                                    \
                                                                              \
        if (opcode_table[fetchdat & 0xff])                                    \
            return opcode_table[fetchdat & 0xff](fetchdat >> 8);              \
        return normal_opcode_table[fetchdat & 0xff](fetchdat >> 8);           \
    }                                                                         \
                                                                              \
    static int op##name##_l_a16(uint32_t fetchdat)                            \
    {                                                                         \
        fetchdat = fastreadl(cs + cpu_state.pc);                              \
        if (cpu_state.abrt)                                                   \
            return 1;                                                         \
        cpu_state.pc++;                                                       \
                                                                              \
        cpu_state.ea_seg = &seg;                                              \
        cpu_state.ssegs  = 1;                                                 \
        CLOCK_CYCLES(4);                                                      \
        PREFETCH_PREFIX();                                                    \
                                                                              \
        if (opcode_table[(fetchdat & 0xff) | 0x100])                          \
            return opcode_table[(fetchdat & 0xff) | 0x100](fetchdat >> 8);    \
        return normal_opcode_table[(fetchdat & 0xff) | 0x100](fetchdat >> 8); \
    }                                                                         \
                                                                              \
    static int op##name##_w_a32(uint32_t fetchdat)                            \
    {                                                                         \
        fetchdat = fastreadl(cs + cpu_state.pc);                              \
        if (cpu_state.abrt)                                                   \
            return 1;                                                         \
        cpu_state.pc++;                                                       \
                                                                              \
        cpu_state.ea_seg = &seg;                                              \
        cpu_state.ssegs  = 1;                                                 \
        CLOCK_CYCLES(4);                                                      \
        PREFETCH_PREFIX();                                                    \
                                                                              \
        if (opcode_table[(fetchdat & 0xff) | 0x200])                          \
            return opcode_table[(fetchdat & 0xff) | 0x200](fetchdat >> 8);    \
        return normal_opcode_table[(fetchdat & 0xff) | 0x200](fetchdat >> 8); \
    }                                                                         \
                                                                              \
    static int op##name##_l_a32(uint32_t fetchdat)                            \
    {                                                                         \
        fetchdat = fastreadl(cs + cpu_state.pc);                              \
        if (cpu_state.abrt)                                                   \
            return 1;                                                         \
        cpu_state.pc++;                                                       \
                                                                              \
        cpu_state.ea_seg = &seg;                                              \
        cpu_state.ssegs  = 1;                                                 \
        CLOCK_CYCLES(4);                                                      \
        PREFETCH_PREFIX();                                                    \
                                                                              \
        if (opcode_table[(fetchdat & 0xff) | 0x300])                          \
            return opcode_table[(fetchdat & 0xff) | 0x300](fetchdat >> 8);    \
        return normal_opcode_table[(fetchdat & 0xff) | 0x300](fetchdat >> 8); \
    }

// clang-format off
op_seg(CS, cpu_state.seg_cs, x86_opcodes, x86_opcodes)
op_seg(DS, cpu_state.seg_ds, x86_opcodes, x86_opcodes)
op_seg(ES, cpu_state.seg_es, x86_opcodes, x86_opcodes)
op_seg(FS, cpu_state.seg_fs, x86_opcodes, x86_opcodes)
op_seg(GS, cpu_state.seg_gs, x86_opcodes, x86_opcodes)
op_seg(SS, cpu_state.seg_ss, x86_opcodes, x86_opcodes)

op_seg(CS_REPE, cpu_state.seg_cs, x86_opcodes_REPE, x86_opcodes)
op_seg(DS_REPE, cpu_state.seg_ds, x86_opcodes_REPE, x86_opcodes)
op_seg(ES_REPE, cpu_state.seg_es, x86_opcodes_REPE, x86_opcodes)
op_seg(FS_REPE, cpu_state.seg_fs, x86_opcodes_REPE, x86_opcodes)
op_seg(GS_REPE, cpu_state.seg_gs, x86_opcodes_REPE, x86_opcodes)
op_seg(SS_REPE, cpu_state.seg_ss, x86_opcodes_REPE, x86_opcodes)

op_seg(CS_REPNE, cpu_state.seg_cs, x86_opcodes_REPNE, x86_opcodes)
op_seg(DS_REPNE, cpu_state.seg_ds, x86_opcodes_REPNE, x86_opcodes)
op_seg(ES_REPNE, cpu_state.seg_es, x86_opcodes_REPNE, x86_opcodes)
op_seg(FS_REPNE, cpu_state.seg_fs, x86_opcodes_REPNE, x86_opcodes)
op_seg(GS_REPNE, cpu_state.seg_gs, x86_opcodes_REPNE, x86_opcodes)
op_seg(SS_REPNE, cpu_state.seg_ss, x86_opcodes_REPNE, x86_opcodes)
    // clang-format on

static int
op_66(uint32_t fetchdat) /*Data size select*/
{
    fetchdat = fastreadl(cs + cpu_state.pc);
    if (cpu_state.abrt)
        return 1;
    cpu_state.pc++;

    cpu_state.op32 = ((use32 & 0x100) ^ 0x100) | (cpu_state.op32 & 0x200);
    CLOCK_CYCLES(2);
    PREFETCH_PREFIX();
    return x86_opcodes[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
}
static int
op_67(uint32_t fetchdat) /*Address size select*/
{
    fetchdat = fastreadl(cs + cpu_state.pc);
    if (cpu_state.abrt)
        return 1;
    cpu_state.pc++;

    cpu_state.op32 = ((use32 & 0x200) ^ 0x200) | (cpu_state.op32 & 0x100);
    CLOCK_CYCLES(2);
    PREFETCH_PREFIX();
    return x86_opcodes[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
}

static int
op_66_REPE(uint32_t fetchdat) /*Data size select*/
{
    fetchdat = fastreadl(cs + cpu_state.pc);
    if (cpu_state.abrt)
        return 1;
    cpu_state.pc++;

    cpu_state.op32 = ((use32 & 0x100) ^ 0x100) | (cpu_state.op32 & 0x200);
    CLOCK_CYCLES(2);
    PREFETCH_PREFIX();
    if (x86_opcodes_REPE[(fetchdat & 0xff) | cpu_state.op32])
        return x86_opcodes_REPE[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
    return x86_opcodes[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
}
static int
op_67_REPE(uint32_t fetchdat) /*Address size select*/
{
    fetchdat = fastreadl(cs + cpu_state.pc);
    if (cpu_state.abrt)
        return 1;
    cpu_state.pc++;

    cpu_state.op32 = ((use32 & 0x200) ^ 0x200) | (cpu_state.op32 & 0x100);
    CLOCK_CYCLES(2);
    PREFETCH_PREFIX();
    if (x86_opcodes_REPE[(fetchdat & 0xff) | cpu_state.op32])
        return x86_opcodes_REPE[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
    return x86_opcodes[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
}
static int
op_66_REPNE(uint32_t fetchdat) /*Data size select*/
{
    fetchdat = fastreadl(cs + cpu_state.pc);
    if (cpu_state.abrt)
        return 1;
    cpu_state.pc++;

    cpu_state.op32 = ((use32 & 0x100) ^ 0x100) | (cpu_state.op32 & 0x200);
    CLOCK_CYCLES(2);
    PREFETCH_PREFIX();
    if (x86_opcodes_REPNE[(fetchdat & 0xff) | cpu_state.op32])
        return x86_opcodes_REPNE[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
    return x86_opcodes[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
}
static int
op_67_REPNE(uint32_t fetchdat) /*Address size select*/
{
    fetchdat = fastreadl(cs + cpu_state.pc);
    if (cpu_state.abrt)
        return 1;
    cpu_state.pc++;

    cpu_state.op32 = ((use32 & 0x200) ^ 0x200) | (cpu_state.op32 & 0x100);
    CLOCK_CYCLES(2);
    PREFETCH_PREFIX();
    if (x86_opcodes_REPNE[(fetchdat & 0xff) | cpu_state.op32])
        return x86_opcodes_REPNE[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
    return x86_opcodes[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
}
