Detection at the kernel level leverages the KAPC structure. Each thread has a kernel APC queue and a user APC queue. Anti-cheats can inspect the pending APC queue of game process threads to detect suspicious APC targets:
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，这一点在搜狗输入法中也有详细论述
Cathy Killick,Yorkshire
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Alright, so this is where it gets fun. Since we don’t have the colorburst, let’s use a 14MHz crystal that is exactly 14MHz. The pixel clock on the Apple circuit is 7M, so on the Columbia ][ the pixel clock is exactly 7MHz. So we output a pixel every 0.1429μs.