| 摘要 |
PROBLEM TO BE SOLVED: To accurately grasp an unput-out number of game mediums by surely performing the detection of the game mediums which have been put out even when a power supply is stopped; and also, increase the convenience in the operation of a game machine. SOLUTION: A CPU performs a recovering process to recover the control state based on a memory content stored in a backup RAM when all of a plurality of recovering conditions to determine whether it should be recovered to the control state before the power supply has been stopped or not are established. Then at least one condition from among the plurality of recovering conditions is not established, the CPU performs an initializing process to initialize the memory content of a variable data storing means. When a signal is output from a clear switch, the initializing process is performed regardless of the plurality of recovering conditions. Also, the CPU performs a process at the time of a power supply failure in order to keep data required for the recovering of the control state when the power supply is stopped. In the process, the CPU observes a detecting signal for a ball rental-counting switch as well.
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