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    Effort to get the GP9001 VDP chip, part of Toaplan V2 hardware, decapped

    Over the past few months, in a thread at shmups forum, we've been analyzing the cause why some Toaplan V2 PCBs are not recognized by the OSSC and show artifacts with some other ADC products. Essentially, with certain games, the GP9001 VDP outputs a broken Hsync signal, and in the course, I...
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