Changes
8255
,/* PPI Port C */
|6||PSG BC1||
|-
|5||Cassette Write data||
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|4||Cassette Motor Control||set bit to "1" for motor on, or "0" for motor off
|-
|3||Keyboard line||rowspan=4|Select keyboard line to be scanned (0-15)
|-
|2||
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|1||
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|0||
|-
|}
