Which it probably doesn’t. But I can’t shake that feeling.
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.，推荐阅读同城约会获取更多信息
，这一点在heLLoword翻译官方下载中也有详细论述
Фото: New York State Division of Criminal Justice Services / Handout/ Reuters
news.berkeley.edu，更多细节参见搜狗输入法2026