today i learned the 2011 arcade version of taiko no tatsujin actually uses PS3 hardware
RPCS3 can now read BanaPassport cards, used by several Namco System 357 games, thanks to brian218.
You can dump your own card with tools like MIFARE Classic Tool, and put the binary dump of card's sector 0 (64 bytes in total) under /dev_hdd1/caches/usio_card_p1.bin (up to p4).