According to the original call-out post, MAME 0.127 and onwards are already much closer to real hardware: http://www.twingalaxies.com/showthread.php/176004-Disp

According to the original call-out post, MAME 0.127 and onwards are already much closer to real hardware: http://www.twingalaxies.com/showthread.php/176004-Dispute-Jeremy-Young-Arcade-Donkey-Kong-Points-Hammer-Allowed-Player-Billy-L-Mitchell-Score-1-062-800?s=1b636c5f4af03d7b042dbc6ea35b7ac0&p=946633&viewfull=1#post946633 http://www.twingalaxies.com/showthread.php/176004-Dispute-Je... Billy Mitchell just happened to use older MAME versions without those improvements, even during his 1.062M run that was performed several years after MAME 0.127 shipped.