Category:84PCE:Ports:By Address

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See also list of ports by name

Please read our page on Contributing before editing these pages!

Nota bene: In normal operation, IN is censored, and OUT causes an NMI (or reset?). Except for the 00xx range of ports, all other ports can be accessed by user code using memory-mapped I/O.

Also note that all ports in the Fxxx range read all zeros and may be unused and have no function.