| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which is equipped with a plurality of performance accessory devices and capable of preventing collision of the performance accessory devices.SOLUTION: In a performance control board, information about a combination by which performance accessory devices A-D cannot be operated at the same time is stored in advance. Then, the performance control board monitors the action of the performance accessory devices A-D. On the basis of a monitoring result and the information, stored in advance, about the combination by which the performance accessory devices A-D cannot be operated at the same time, it is determined whether or not the action of the performance accessory devices A-D is abnormal. If, as a result of the determination, the action of the performance accessory devices A-D is determined to be abnormal, control is made to stop the action of the performance accessory devices A-D in order to avoid collision of the performance accessory devices. |
