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.
前苹果首席设计师乔纳森 · 艾维：创造美的事物
，更多细节参见heLLoword翻译官方下载
Израиль нанес удар по Ирану09:28，详情可参考51吃瓜
Нью-Йорк Рейнджерс
Wastewater treatment tanks and other infrastructure emit larger amounts of greenhouse gases than reported.