> I think Software Lists games parents should be the USA/Japan one, because games are > in 60Hz contrary to Eur games which are generally 50Hz.
that's debatable. for instance, portable consoles have no difference in their refresh rate across regions, so we can apply the arcade reasoning. also, Commodore and Sinclair home computers had most games thought for PAL TVs, so that you get the intended behavior only with 50Hz
since there is no universal solution, I just prefer to stick to MAME convention by labelling Euro releases as parent, since it just works in many cases.
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