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.
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09:41, 28 февраля 2026Мир
▲ Mac 和 iPad 上的 Final Cut Pro。关于这个话题,同城约会提供了深入分析
В России ответили на имитирующие высадку на Украине учения НАТО18:04,推荐阅读雷电模拟器官方版本下载获取更多信息
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