Function                               Superseded by function
    0Fh   Open File with FCB                         3dh
    10h   Close File with FCB                        3eh
    11h   Find First File with FCB                   4eh
    12h   Find Next File with FCB                    4fh
    13h   Delete File with FCB                       41h
    14h   Sequential Read with FCB                   3fh
    15h   Sequential Write with FCB                  40h
    16h   Create File with FCB                       3ch
    17h   Rename File with FCB                       56h