R_AH
emu->x86.R_AH = 0xff;
emu->x86.R_AH = 0x0;
emu->x86.R_FLG |= emu->x86.R_AH;
emu->x86.R_AH = (uint8_t) (emu->x86.R_FLG & 0xff);
emu->x86.R_AH |= 0x2;
emu->x86.R_AH = fetch_byte_imm(emu);
return &emu->x86.R_AH;
if (((emu->x86.R_AL & 0x80) == 0 && emu->x86.R_AH == 0x00) ||
((emu->x86.R_AL & 0x80) != 0 && emu->x86.R_AH == 0xFF)) {
if (emu->x86.R_AH == 0) {
emu->x86.R_AH = (int8_t) mod;
emu->x86.R_AH = (uint8_t) mod;