OP1 OS #12470

    Added Finger sequencer.

    Added DrumBox drum synth.

    Added Drum key copy.

    Added ChopLifter.

    Added MIDI Timing Clock.

    Added MIDI LFO.

    Tape did not stop at end of tape. Fixed.

    Drum voices could be interrupted. Fixed.

    Pressing Help would trigger an assert when the battery was low. Fixed.

    Tap Tempo is improved.