| 摘要 |
PROBLEM TO BE SOLVED: To prevent an unfair game without giving unexpected disadvantage to a player by dispensing with a safe ball tank to make a constitution compact. SOLUTION: A frame control base board 31 comprises a 1 chip micro-computer 90 and an input/output I/O 91 each of which has a ROM and a RAM therein, a battery 97 for supplying emergency electricity to the RAM of the 1 chip micro-computer 90 and the like. A game control board 30, various kinds of lamps LED 60, a volume switch 61, various kinds of solenoid 62, a sound generator 63, a prize ball paying-out device 64, and a launching device control base board 65 are connected with the input/output I/O 91. A switch for detecting prize-winning balls is provided at every prize-winning hole to totalize a number of the prize-winning balls according to a difference in the number of the prize balls. This Pachinko machine is constituted in such a way that communication from a game control board 30 to the frame control base board 31 and a special picture control base board is one way, and communication from the frame control base board 31 or the special picture control base board to the game control base board 30 cannot be realized.
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