The Great dink's Data East DEC8 Protection-MCU Charrenge w/ Captain Silver!
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I ripped out all the protection MCU simulations & old emulation for ghostb...
Spent a week+1/2 studying Captain Silver's MCU, cross referencing it with the code of other DEC8 MCU's & found 3 bad bits in the dump. Since we probably won't get another dump any time soon, this sounds like the next best thing.
Then re-emulated all of the DEC8 MCU's from scratch, only using my research as a reference.
Thanks to:
Lord Nightmare for advice
IDA for being a pain in the ass when decoding i8051 code......
IDA for being great after dealing with the above.
best regards,
- dink