toying with the SIO

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legacy
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toying with the SIO

Post by legacy » September 5th, 2013, 7:17 am

hi guys
any asm source around to toy with the psOne & playstation1 SIO-uart port which does not use the BIOS at all ? I mean something that access directly the SIO registers.

I am planning to remove the psx's bios replacing the firmware with a bareboard piece of code, so the SIO will be my std-IO for the console.
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Shendo
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PlayStation Model: SCPH-7502
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Post by Shendo » September 5th, 2013, 8:36 am

You can check my SIO lib. It's not asm but it will get you in the right direction.
Dev console: SCPH-7502, FreePSXBoot, CH340 serial cable.
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legacy
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Joined: Sep 04, 2013

Post by legacy » September 5th, 2013, 8:52 am

thank you, it is really appreciated cause it is very very important for the goal i am aiming for
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