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NAME   rev ADDR type chip Description
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POTINP 016 R      P Pot pin data read

	This register controls a 4 bit bi-direction I/O port
	that shares the same 4 pins as the 4 pot counters above.

         +-------+----------+---------------------------------------------+
         | BIT#  | FUNCTION | DESCRIPTION                                 |
         +-------+----------+---------------------------------------------+
         | 15    | OUTRY    | Output enable for Paula pin 33              |
         | 14    | DATRY    | I/O data Paula pin 33                       |
         | 13    | OUTRX    | Output enable for Paula pin 32              |
         | 12    | DATRX    | I/O data Paula pin 32                       |
         | 11    | OUTLY    | Out put enable for Paula pin 36             |
         | 10    | DATLY    | I/O data Paula pin 36                       |
         | 09    | OUTLX    | Output enable for Paula pin 35              |
         | 08    | DATLX    | I/O data  Paula pin 35                      |
         | 07-01 |   X      | Not used                                    |
         | 00    | START    | Start pots (dump capacitors,start counters) |
         +-------+----------+---------------------------------------------+