Changes

{|{{Prettytable|width: 700px; font-size: 2em;}}|''PPI Port C Bit ''||''PSG Signal ''|-|7 ||BDIR |-|6 ||BC1 |-|}

{|{{Prettytable|width: 700px; font-size: 2em;}}|''PPI Port C Bit ''||''PSG Function ''|-|7 ||6 |-|0 ||0 ||Inactive |-|0 ||1 ||Read from selected PSG register. When function is set, the PSG will make the register data available to PPI Port A |-|1 ||0 ||Write to selected PSG register . When set, the PSG will take the data at PPI Port A and write it into the selected PSG register |-|1 ||1 ||Select PSG register . When set, the PSG will take the data at PPI Port A and select a register |}