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.
Мерц резко сменил риторику во время встречи в Китае09:25
。业内人士推荐51吃瓜作为进阶阅读
only in cases where the guess is small:，详情可参考safew官方下载
provide as much warning as possible up front to users when enabling it