| 摘要 |
PROBLEM TO BE SOLVED: To provide a pachinko game machine which prevents a dishonest act by making it difficult to presume an updated count value in a random number counter. SOLUTION: A variation value resolution means 204 decides a variation value for updating a count value under a predetermined prime factor. An addition means 208 adds the variation value to the previous value and makes an updated value at every determined time, and when the updated value is the predetermined prime factor or more, the number gained by subtracting the predetermined prime factor from the updated value becomes an updated value. An updating count value means 210 writes the updated value in a count value storage means 212. A random number acquisition means 122 gains a count value as a lottery random number for judging a shift to a special game from the count value storage means 212 after a game ball falls into a start winning opening. In the structure, it is difficult to guess a count value from outside as the variation value resolution means 204 decides the variation value again when the updated value gained by the addition means 208 is equal to the predetermined value. COPYRIGHT: (C)2006,JPO&NCIPI
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