> Corrado Tomaselli dumped an Omega board set with a one byte difference between the > existing dump which Chris Hardy says is "Unlikely to be bitrot with such a > significant change. Decrypted it looks like a legit bug fix as it changes a branch > which incorrectly jumps over a bit of initialisation code." and BrianT says "the set > ShouTime submitted has the ROM at M10 as “17” and this set it’s labeled “7” so it > looks like Nihon made an intentional fix and differentiated the ROMs".
The connector pinout (apparently unique) is also a great find for this rare game.