With five cells per row, we’ll need to dedicate five sprites to the cells’ drop shadows. We will reuse those cells in each subsequent row, and if a shadow needs to go missing (because the corresponding button is depressed), we will simply disable that sprite on that row via the $D015 register. Two sprites will suffice for the corner sprites; the top corners may be similarly re-used for the bottom ones. That leaves one sprite spare, and it seems like it would be most conveniently used for the rest of the left-side shadow.
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并且过去几年「硬盘掉速」的问题终于得到了苹果的重视，根据官网上的说法，新版 MacBook Air 换用了新的 SSD，读写速度提升了两倍。
13:47, 3 марта 2026Ценности