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I/O Port Summary

78 bytes added, 10:47, 18 April 2010
/* I/O Port Summary */
|-
|#EFXX||%xxx0xxxx xxxxxxxx||[[Printer Port]]|| - ||Write
|-
|#F0E0||?||[[Draysoft Doubler]] External Tape Data Input (Bit5)||Read|| -
|-
|#F4XX||%xxxx0x00 xxxxxxxx||[[8255]] PIO Port A ([[PSG]] Data)||Read||Write
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