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Neat 2SIO trick

11-11-2007, 03:58 AM

Grant Stockly Grant Stockly is offline

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Neat 2SIO trick

I have a 2SIO addressed to ports 0/1 for CP/M and 20/21 for MITS stuff. So I lifted pin 3 of the L30 (IC O) and tied it to pin 12 of the same IC.

Now my 2SIO will respond to either I/O locations. : )

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