DISPLAY " MB_BPARAM1\t",/H,MB_BPARAM1
    ASSERT MB_BPARAM1 = 0x892b


    DISPLAY " MSX_LINL40\t",/H,MSX_LINL40
    ASSERT MSX_LINL40 = 0x8a00



    DISPLAY " MB_ERRFLG\t",/H,MB_ERRFLG
    ASSERT MB_ERRFLG = 0x8a64

    DISPLAY " MB_TTYPOS\t",/H,MB_TTYPOS
    ASSERT MB_TTYPOS = 0x8cb1



    DISPLAY " MB_MAXFIL\t",/H,MB_MAXFIL
    ASSERT MB_MAXFIL = 0x8eaf


    DISPLAY " MB_ASPECT\t",/H,MB_ASPECT
    ASSERT MB_ASPECT = 0x8f81

    DISPLAY " MB_LOHMSK\t",/H,MB_LOHMSK
    ASSERT MB_LOHMSK = 0x8f99


    DISPLAY " MB_MCLTAB\t",/H,MB_MCLTAB
    ASSERT MB_MCLTAB = 0x8fa6