| 摘要 |
PROBLEM TO BE SOLVED: To prevent the illegal change of setting. SOLUTION: A set value X (X: 1-6) stored in a RAM area of a memory 21 of a main board is outputted to a sub-board 17 through a control part 20 every termination of one game. A control part 45a of a CPU 45 mounted on the sub-board 17 reads out a set storage value Y (Y: 1-6) stored in a RAM area of a memory 46, and compares the same with the set value X. For example, when the set value X and the set storage value Y are different from each other, the control part 45a resets the set storage value Y written in the RAM area of the memory, and writes the set value X in the RAM area of the memory 46 as the new set storage value Y.
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