Martyken
Student
Gotcha, thanks for clarifying - have read mike's site and kinda understand a littleThat PCB was originally a Tant-R (Japan) you can see it from the protection chip label: 317-0211
https://mikejmoffitt.com/articles/0047-puyopuy2.html
Doesn't seem his files are still online but assume Apocalypse's decrypted set has a similar use case application.
Just unsure on which type of eeprom's they need to be written too (EPR-17239/40/41)