R_DS
sc->emu.x86.R_DS = 0x0040;
sc->emu.x86.R_DS = 0x0040;
return emu->x86.R_DS;
push_word(emu, emu->x86.R_DS);
emu->x86.R_DS = pop_word(emu);
common_load_far_pointer(emu, &emu->x86.R_DS);
return &emu->x86.R_DS;