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That’s a lot, and some of these interrupts only have a few scanlines worth of time that they may operate in. We can’t rely on $D012 to identify what to do anymore; instead we’ll keep a separate counter, increment it on each IRQ, and loop it around at the end. We can then also use that counter as an index into various arrays to efficiently handle many of the differences.
How does it differ from Kakoune?，推荐阅读爱思助手获取更多信息