| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of effectively preventing a fraud done by a fraudulent access to a transmission path.SOLUTION: Main control means and sub control means generate update values on the basis of a same synchronization initial value. The update value transmitted from the main control means and the update value generated in the sub control means are compared, so that validity of command data including the update values is determined. The synchronization initial value is changed at prescribed timing. |
