To play the original arcade version of this game, wait for the title screen, then press A + C + Start on Controller Two. To insert a coin, press Left Shift.
Most arcade games have an operator mode so the arcade owner can change the difficulty, number of credits, etc. This game is no exception. To access this screen, enable Arcade Mode then hold X + Y + Z + Start on Controller One.
At the Options screen press R three times to enable several new options: Trace, Trace Load/Save, BGM Mode and Sight.