| 摘要 |
PROBLEM TO BE SOLVED: To detect the abnormal operation of a random number generation part provided in a game machine and to discriminate an abnormal operation part in the random number generation part. SOLUTION: A pachinko game machine PM is constituted of a random number clock generation circuit B51, clock count circuits B81-B84, and a winning judgement means B37 or the like, and is provided with: an input circuit part B40 for outputting a first abnormality signal; an overflow signal output circuit B97 for outputting a second abnormality signal; a control part 740 for judging the abnormal operation of the random number clock generation circuit B51 and the abnormal operation of the 1st-4th clock count circuits B81-B84; and an error display device 61 or the like for performing prescribed reporting indicating the abnormal operation. When the first abnormality signal or the second abnormality signal is detected, only the prescribed reporting by the error display device 61 or the like is made in the case of deciding that a count value is a winning random number, and the prescribed reporting by the error display device 61 or the like and the stoppage of a game operation are made in the case of deciding that the count value is not the winning random number. COPYRIGHT: (C)2006,JPO&NCIPI
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