| 摘要 |
A control unit mainly includes game condition judging means, moving period determining means for determining a moving period T 0 of a ball object, first operation response period determining means for determining a first operation response period T 1 of a bat object, which begins at a first operation response start opportunity S 1 preceding a pitching end opportunity E 0 of the moving period T 0, second operation response period determining means for determining a second operation response period T 2 of the bat object, which begins at a second operation response start opportunity S 2 succeeding the first operation response start opportunity S 1, operation input opportunity receiving means for receiving a operation input opportunity HP of a controller, and operation opportunity response judging means for judging whether the operation input opportunity HP is included in either the first operation response period T 1 or the second operation response period T 2.
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