"I was pulling pipes off the houses to stop myself being dragged out - the wave was powerful enough to break doors and windows."
When VM=1, the protected-mode bit goes low and the Entry PLA selects real-mode entry points -- MOV ES, reg takes the one-line path. Meanwhile, CPL is hardwired to 3 whenever VM=1, so the V86 task always runs at the lowest privilege level, under full paging protection. The OS can use paging to virtualize the 8086's 1 MB address space, even simulating A20 address line wraparound by mapping pages to the same physical frames.
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4. 2026年经济和行业展望| 德勤中国研究《月度经济概览》第101期 - Deloitte, www.deloitte.com/cn/zh/our-t…
:first-child]:h-full [&:first-child]:w-full [&:first-child]:mb-0 [&:first-child]:rounded-[inherit] h-full w-full
需要元素值：栈存值，或答案存索引后用 nums[res[i]] 取值。