[sdiy] Decapsulating and reading maskroms: full demonstration

Ben Stuyts ben at stuyts.nl
Sun Dec 18 13:01:11 CET 2022

Thanks, that was cool to see the whole process!


> On 18 Dec 2022, at 01:09, jslee via Synth-diy <synth-diy at synth-diy.org> wrote:
> Might be useful for extracting some old synth firmwares?
> https://twitter.com/travisgoodspeed/status/1604153695272595457 <https://twitter.com/travisgoodspeed/status/1604153695272595457?s=46&t=Ifr6GWQEOadPvRjpc1POQw>
> In this example the chip was one used for cryptography
> I think I read somewhere that the TB303 firmware dump floating around the internet was done manually, bit by bit? Sounds horribly efforty and error-prone :-(
> John
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