PT8159 Pinout

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Revision as of 14:17, 27 October 2024 by PizzerLover123 (talk | contribs) (The Post states /ROMSEL is an Output (orig. Labeled as CPU /ROMSEL). I don't think that is true. CIIW. https://forums.nesdev.org/viewtopic.php?t=20419)
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The PT8159 exists as a Plastic Blob Present along with the PT8154 (which generates IRQs and Mappes CHR ROM) in Street Fighter II by Yoko Soft 

           .--\/--.
PRG A16 <- |01    |
PRG A15 <- |02  19| -- VCC
 CPU D4 -> |03  18| <- PPU A13
 CPU D5 -> |04  17| <- PPU /RD
 CPU D0 -> |05  16| -> CHR /CS
 CPU D1 -> |06  15| <- CPU R/W
 CPU D2 -> |07  14| -- GND
 CPU D3 -> |08  13| <- M2
/ROMSEL -> |09  12| -> CPU A8
CPU A14 -> |10  11| <- CPU A13
           `------'
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