| 摘要 |
PROBLEM TO BE SOLVED: To prevent an unfair practice which allows a wrong action based on a bad passage detection using radio waves. SOLUTION: In this game machine, an unfairness detecting circuit which performs a signal processing to input an interruption signal, which indicates whether or not a detected output of a start port switch 17 corresponds to an unfair detected output, into a microcomputer 31 for controlling game by means of a passage portion of output signal of an inverter 102b, in a zener diode 107, an inverter 102b, and an assembled resistance 103, and a non-inverting input 109, is provided separately from a start winning detecting circuit. An NMI interruption processing is performed to immobilize the game control based on the output of the unfairness detecting circuit.
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