| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a game machine in which the occurrence of an abnormality in a clock used for game control can be grasped easily from the outside. <P>SOLUTION: The game machine includes: a first clock generating circuit capable of generating a first clock; a second clock generating circuit capable of generating a second clock; and a microprocessor in which a CPU is incorporated. In the microprocessor, there are provided: a system clock generating circuit capable of generating a system clock based on the first clock; a random number circuit that can perform random number renewal based on the second clock and can generate random numbers; a clock monitoring circuit capable of determining the presence or absence of the abnormality in the second clock; a first clock input terminal capable of inputting the first clock; and a second clock input terminal. The first clock generating circuit and the first clock input terminal are connected with a first signal line, the second clock generating circuit and the second clock input terminal are connected with a second signal line, and the length of the second signal line is longer than the length of the first signal line. <P>COPYRIGHT: (C)2013,JPO&INPIT |
