| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine without having the regularity of reference values for determining the motion of the game machine even if similar processes are executed repeatedly. SOLUTION: When a random number counter is renewed, first, the values of the lower two bits of a refreshing register (R register) are obtained, and an adding value is determined based on the obtained values of the lower two bits of the R register. Next, the determined adding value is added to the value in the random number counter at the time. If the added value is the upper limit value of the random number counter or above, the value obtained by subtracting the upper limit value from the added value shall be the added value. Then, the added value is set in the random number counter, and the value of the R register is changed based on the value set in the random number counter; or a random number is produced using the value set in the random counter, and the value in the R register is changed based on the produced random number. COPYRIGHT: (C)2004,JPO
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