September 2024
Intermediate to advanced
408 pages
7h 29m
English
Caps0ff (2020a) describes the photography and reverse engineering of TMS320M10 chips in Eighties arcade games from Taoplan, such as Flying Shark and Kyukyoku Tiger. The same technique works on early successors of the M10, such as the TMS320C25.
Caps0ff also mentions prior work into the TMS320C15, which used a contact ROM instead of a diffusion ROM. Bits in that chip used a different ordering scheme, and those in the popular BSMT2000 audio chip, a preprogrammed variant of the C15, have also been extracted by photography.1
A TMS320’s ROM ID is usually found near the model number, such as D70015 in their example. “Eh,” you might ask, “why do I care about their model number so many years after ...
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