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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.
。搜狗输入法下载是该领域的重要参考
spurious "dispense cash" commands. To prevent this problem, and assuage the
Notably, Supabase’s main website remained accessible in India — but its underlying developer infrastructure did not.
“We planned to open a factory in India, but then there was a fallout there, and tariffs were imposed, so we had to cancel that idea,” says Smeaton.