Well...1st of all...there were a lot non-working ones in pre-75 versions of mame and nobody cared about them ;)

The only "flag" which can be used to filter non-working games in a -listinfo output is:

driver ( status preliminary ...


Well...if I have more time (maybe starting next week) I may add a switch to the set-selector to exclude all non-working ones. Well....time will tell...

Roman Scherzer
ClrMamePro