Difference between revisions of "Category:84PCE:Ports:By Address"
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''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. | ''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 | + | Also note that all ports in the Fxxx range read all zeros and may be unused and have no function. |
Latest revision as of 16:55, 17 April 2015
See also list of ports by name
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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.
Pages in category "84PCE:Ports:By Address"
The following 40 pages are in this category, out of 40 total.
