Силовые структуры
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.
。业内人士推荐heLLoword翻译官方下载作为进阶阅读
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2026-02-27 00:00:00:0周珊珊3014251010http://paper.people.com.cn/rmrb/pc/content/202602/27/content_30142510.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/27/content_30142510.html11921 一针一线织出锦绣山河（人民论坛）
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