Difference between revisions of "Category:84PCE:Ports:By Address"

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Please read our page on [[Contributing]] before editing these pages!
 
Please read our page on [[Contributing]] before editing these pages!
  
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''Nota bene:'' We are '''not''' allowed to access ports directly! If you need any functionality not provided the boot code or OS, ''and'' you don't want to piss off TI, you won't write any software that directly interfaces with the hardware.
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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.
  
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2xxx, 9xxx, and Fxxx may be unused and have no function.
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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

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.

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