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Programmable I/O Port: Difference between revisions

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The 8-bit '''Programmable I/O Port''', commonly referred to as '''WRIO''' for short, is located at 4201h.
The 8-bit '''Programmable I/O Port''', commonly referred to as '''WRIO''' for short, is located at 4201h. It has [http://www.learningaboutelectronics.com/Articles/Open-collector-output.php open collector output].<sup>[2]</sup>


=== References ===
=== References ===
* Official Super Nintendo development manual on the programmable i/o port: [https://archive.org/details/SNESDevManual/book1/page/n79 Page 2-14-1 of Book I]
# Official Super Nintendo development manual on the programmable i/o port: [https://archive.org/details/SNESDevManual/book1/page/n79 Page 2-14-1 of Book I]
# https://problemkaputt.de/fullsnes.htm#snescontrollersioportsmanualreading


[[Category:SNES Hardware]]
[[Category:SNES Hardware]]

Revision as of 01:38, 19 July 2023

The 8-bit Programmable I/O Port, commonly referred to as WRIO for short, is located at 4201h. It has open collector output.[2]

References

  1. Official Super Nintendo development manual on the programmable i/o port: Page 2-14-1 of Book I
  2. https://problemkaputt.de/fullsnes.htm#snescontrollersioportsmanualreading