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.
Платон Щукин (Редактор отдела «Экономика»)
。safew官方版本下载是该领域的重要参考
Кадр: Telegram-канал «Что там, Москва?»,推荐阅读搜狗输入法2026获取更多信息
Jake KwonSeoul correspondent, Seoul。Line官方版本下载对此有专业解读
(三)国务院税务、财政主管部门确定的其他纳税人。