| 摘要 |
PROBLEM TO BE SOLVED: To provide a Pachinko game machine in which a game can not be performed normally when a main controller is replaced. SOLUTION: A main control part 10 ciphers command data for controlling a special pattern control part 19 (S117) and transmits the ciphered data (S119) and a special pattern display controller 19 authenticates control data received from the main control part 10 (S127), and in the case that the received cipher data are authenticated, a special pattern display device 19a is made to perform an operation corresponding to the control data (S129). Also, the main control part 10 changes first key data for deciding a ciphering rule (S13 and S23), the special pattern display control part 19 changes second key data for deciding the rule of the authentication (S63 and S73) and the ciphering rule and the authentication rule are simultaneously changed at a prescribed timing so as to make both rules keep prescribed correspondence relation. |
