Released in , MAME 0.37b5 is an older version of the Multiple Arcade Machine Emulator. In the world of arcade emulation, ROMs are not universal; they are tied to specific emulator versions. Because arcade hardware is complex, developers frequently update how a game is "dumped" to improve accuracy. Consequently, a ROM set that works on a modern PC will likely fail on MAME 2000. Why the 2000 Reference Set is Still Popular
: It is the native romset for the MAME 2000 libretro core and standalone MAME4ALL . MAME 2000 Reference Set - MAME 0.37b5 ROMs and ...