| 摘要 |
PROBLEM TO BE SOLVED: To provide a slot machine capable being lowered in cost by making it possible to transmit and receive presentation control data accurately and efficiently between a main control substrate and a sub-control substrate without being affect by noise. SOLUTION: The presentation control data comprising a plurality of bits are transmitted from the main control substrate 12 to the sub-control substrate 16 in this slot machine. The most significant bit of the presentation control data is used as a data update judging bit for judging whether the presentation control data are updated or not.
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