Updated on: February 27, 2026 / 6:40 PM EST
// 易错点4：错误弹出栈顶 → 破坏独立车队的时间记录，导致结果错误，详情可参考91视频
。关于这个话题，搜狗输入法2026提供了深入分析
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For segments, the job is split between hardware and microcode. When LD_DESCRIPTOR fires its protection test at 5CD, the Test PLA OR's the A-bit (bit 8 of the descriptor high DWORD) into a temporary register called PROTUN. Then the microcode at PROT_TESTS_PASSED takes over and writes the modified value back to the GDT or LDT in memory: