| 摘要 |
PROBLEM TO BE SOLVED: To prevent damages due to fraudulence from occurring for a game machine constituted in such a manner that a random number is acquired due to the passing of a game ball through a specified region, and when the acquired random number is a winning value, a game state being advantageous to a game player is provided by a control device, and the random number acquired by the control device is updated at every specified period of time in order from an initial value, and then, the acquired random number circulates within a numeral value range being set in advance, and at the same time, the initial value is programmed to be updated and changed at every specified cycle. SOLUTION: When the control device receives an initializing signal to initialize a random number program, counting by a timer is started (S14), and the random number program is started (S16). Then, when the control device receives a detecting signal within a specified period since the receipt of the initializing signal (in the case S18 is Yes, and S20 is No), the acquisition of a random number based on the detecting signal is made unavailable. When the control device receives the detecting signal after the specified period has passed since the receipt of the initializing signal (in the case both of S18 and S20 are Yes), the acquisition of a random number based on the detecting signal is made available (S22).
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