遊技機

Abstract

PROBLEM TO BE SOLVED: To provide a game machine that prevents the occurrence of malfunction, even when an AC power supply for the game machine is unstable or its control circuit is subjected to high level noise from its periphery.SOLUTION: A CPU of a representation control unit 22 which performs representation control operation is configured such that, when the CPU is reset by system reset signal SYS, the CPU performs predetermined initial procedures (ST 46 to ST 53)to complete them, then the CPU causes the progress of representation operations through scheduled procedures (ST 54 to ST 63) each performed at every certain time. When a main control unit 21 receives power supply malfunction signal indicating malfunction of the AC power supply, the main control unit transmits power shutdown A command and power shutdown B command to the representation control unit 22. Then, the representation control unit 22, when not receiving the two power shutdown commands in a predetermined order, disregards them and continues the representation operation, and when receiving the two power shutdown commands in a predetermined order, the presentation control unit stops the representation operation.
【課題】交流電源が不安定な場合や、制御回路周辺のノイズレベルが高い場合にも、異常動作の発生を抑制する。 【解決手段】演出制御動作を実行する演出制御部22のCPUは、システムリセット信号によってリセットされると、所定の初期処理(ST46〜ST53)を終えた後、一定時間毎に実行される定時処理(ST54〜ST63)によって演出動作を進行させるよう構成される。主制御部21は、交流電源の異常を示す電源異常信号を受けると、電断Aコマンドと電断Bコマンドを演出制御部22に送信し、演出制御部22は、2つの電断コマンドを所定の順番で受けない場合には、これを無視して演出動作を継続する一方、所定の順番で受けた場合には、演出動作を停止する。 【選択図】図10

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