Four interrupts, one each inside the top four rows of puzzle cells. This updates the Y coordinates of the drop shadows and enables the appropriate columns with a write to $D015. One of these four will also be responsible for moving the other three sprites into their lower positions, thus handling the bottom half of the left-side shadow and the corners.
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，这一点在爱思助手下载最新版本中也有详细论述
Вячеслав Агапов
63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54，推荐阅读WPS下载最新地址获取更多信息