| 摘要 |
PROBLEM TO BE SOLVED: To easily and quickly detect alteration of a program built in a control board of a game machine.SOLUTION: A fraud prevention processing method for a game machine comprising a main control board and a sub control board comprises the steps of: calculating a data extraction key on the basis of a real-time clock (RTC) information and determining a reference address on a ROM of the sub control board on the basis of the data extraction key; generating replicated data on the ROM on the basis of a plurality of prescribed-length data extracted for every predetermined period, with the reference address used as an origin, and storing them in temporary storage means of the sub control board; and, when starting the game machine, determining the reference address on the ROM of the sub control board on the basis of the data extraction key, and collating data generated from the ROM in the start with the replicated data on the basis of the plurality of prescribed-length data extracted for every predetermined interval, with the reference address determined in the start as the origin, to determine the fraud of the game machine. |
