A follow-up post to the previous one, this time looking in detail at the functions available in the F355 Challenge VM Operator tool that came on the Japanese Shenmue Passport disc.
https://www.phantomriverstone.com/2019/06/shenmue-passport-hidden-f355-challenge.html
https://www.phantomriverstone.com/2019/06/shenmue-passport-hidden-f355-challenge.html