Monitor incoming MIDI messages.  Displays a synthesizer on a PAL screen and
redraws current state of all 61 keys at 50 frames per second.  All
interrupts turned off while running.  

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                  249     624  39.9% -lh5- b5d8 Nov 21  1992 MidiSyn.info
[generic]                 6522   34332  19.0% -lh5- 8631 Nov 21  1992 MidiSyn/MidiSyn
[generic]                 2008    3792  53.0% -lh5- 3ab9 Nov 21  1992 MidiSyn/MidiSyn.doc
[generic]                  642     734  87.5% -lh5- 56e3 Nov 21  1992 MidiSyn/MidiSyn.doc.info
[generic]                   68      70  97.1% -lh5- 4871 Nov 21  1992 MidiSyn/MidiSyn1.0
[generic]                  428     632  67.7% -lh5- b5bb Nov 21  1992 MidiSyn/MidiSyn1.0.info
[generic]                  124     153  81.0% -lh5- 9dc3 Nov 21  1992 MidiSyn/ReadMe.fnf
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         7 files   10041   40337  24.9%            Nov 21  1992