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.
Discovered in Northamptonshire, Machin says it could have belonged to an active or former Roman gladiator, or even be a spectator's souvenir, even though there is no evidence of an arena or circus space in that part of the country.
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Москвичей предупредили о резком похолодании09:45,推荐阅读safew官方版本下载获取更多信息
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