OT: Longshot: Looking for Sony PSOne accessories.

Gordon JC Pearce MM3YEQ gordonjcp at gjcp.net
Sat Mar 14 08:18:28 CDT 2009


On Fri, 2009-03-13 at 14:09 -0400, der Mouse wrote:

> In an attempt to keep this at least slightly on-topic, has anyone else
> played with interfacing PS/PS2 stuff to general-purpose computers?  I
> did a little of that a few years back and would like to resurrect the
> project....

It's a bit-banged synchronous serial interface, pretty much the same as
NES/SNES controllers.  Tell it to get ready, then start toggling the
clock pin and data pin.  IIRC there is a DATA and COMMAND serial line on
the PSX/PS2 interface, DATA being the controller-to-host connection and
COMMAND being host-to-controller.  I can't remember if timing is
important.  "Not too fast" I think ;-)

Gordon




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