Const rm_unknown = 0; rm_raw = 1; { raw (without HIMEM) } rm_xms = 2; { XMS (for example with HIMEM, without EMM386) } rm_vcpi = 3; { VCPI (for example HIMEM and EMM386) } rm_dpmi = 4; { DPMI (for example DOS box or 386Max) }These constants can be returned by the get_run_mode function.