У вашего броузера проблема в совместимости с HTML5
Game Setting : Factory setting. Japan Version.
This movie has been recorded from My Arcade PCB.(Not MAME/PS 1)
Record environment : Arcade PCB → Control Box(Supergun) → VGA Split Input 1,2
VGA Split Input 1(For Recording) : XRGB-3(VGA Output) → MV900 Plus(Translate signal VGA to Component) → Live Gamer Portable(Component Input+Audio, HDMI Output) → LG Mini Beam PB61K Projector(HDMI + Headphone)
VGA Split Input 2(For Playing without Input Delay) : NEC PC-TD211 Monitor(RGB Input)