| 摘要 |
PROBLEM TO BE SOLVED: To automatically clear unnecessary stored information when power is turned on; to enable the process of restoring game information only if the stored information is normal at the time of recovery from a power failure; and to prevent malfunctioning and errors after recovery from a power failure. SOLUTION: If a power supply is inadvertently shut off because of a power failure during play and an error results such that a recovery flag cannot be read normally although the flag was stored in a recovery flag storage part (S47: No), then a recovery process is suspended and information stored in a backup memory is entirely cleared (S33), since there is the possibility that the information stored in the backup memory may be similarly changed into invalid information because of noises, etc.
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