| 摘要 |
PROBLEM TO BE SOLVED: To provide a combination game machine which enables restarting of games surely from the game state immediately before the occurrence of any abnormality upon recovery from the abnormality of power sources such as a power failure. SOLUTION: The combination game machine is provided with a shooting means 9 which shoots the specified number of game balls per unit game to playing regions where a plurality of scoring slots are arranged, a scoring display means 19 by which display segments corresponding to scoring slots won by game balls are changed to specified displays, a ball output means 37 for putting out game balls when the display segments presenting such specified display states reach specified combinations, a main control board 31, an output control board 40 for controlling the output means 37, a power source board 39 for supplying powers to the main control board 31 and the output control board 40, a power source monitoring means 122 for monitoring the supply state of powers of the power source board 39 and backup means 124 and 142 which have information stored as necessary for the restarting of games from the game state immediately before the occurrence of any abnormality with the condition that the power source monitoring means 122 detects the specified abnormality.
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