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Heyo! I'm very pleased to share to the community my complete reverse-engineering of the CPS-A-01. I have worked over 8+ months on the die shot of this chip and I've produced the full schematics with a bunch of documentation pages. Here's the overview image of the schematics You can access...

Hey everyone, Lately I've worked on the CAT702 security chip on ZN systems in order to perform a ZN2 conversion (EX2 -> Tetris TGM). And today I've managed to succeed. This is a picture of my current ultra-janky-af-breadboard implementation and a proof that the game is actually running in the...

Heyo, As kind of a follow-up of this thread Capcom Q-Sound amp help? and the interesting research around it. I decided to make a complete schematics of the CPB-001A QSound Amplifier used on CPS1.5-2-3. You can explore the schematics here I don't own one so I did most of the reverse...

Heyo! I'm very pleased to share to the community my work on the CPS-B-21. I have spent months analysing the die shot of this chip and I've produced a complete documentation and schematics. Here's the overview image of the schematics You can access the complete documentation here (and the...

Hello everyone, I've lurked here for some time and here's my contribution now, While looking for a broken trace on a CPS2 with graphical glitches. I followed a bunch of wires on the PCB. In the end, I noted them all (~850 traces) and you can consult the document here. CPS2 B-Board Wiring...