Looking for adress for "region select" (cps1 games)

[fortunachan]

Any trying find this address for test if is "has" other region in cps 1 (an too in cps 1.5), can help with these please, thanks

[Pugsy]

You can't do any find with MAME as you will need to search across at least two different games.

I basically go into the debugger and then save the memory from the same games with a different region (the more regions the better) and then do a comparison to find the memory addresses that differ - it takes a few seconds to spot likely candidates.