| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of suppressing an action for using electromagnetic wave noise to illegally acquire a privilege.SOLUTION: An MPU provided in a main control device 81 performs a winning/losing lottery on the basis of occurrence of entry of a game ball into an operation port, and in the case of having won, transfers a mode to an opening/closing execution mode. In the winning/losing lottery, a big win random number counter is utilized. The big win random number counter is a loop counter in which update of numerical information is periodically performed, and when periodically updating the numerical information, an update mode to increase the numerical information one by one toward a maximum value and an update mode to set the numerical information to be a minimum value when having exceeded the maximum value are included. In this case, a shielding plate 130 is provided so as to cover the main control device 81 from a rear side of a pachinko machine.SELECTED DRAWING: Figure 6 |
