Some say the technology is devaluing their work, while others reckon it is not yet – and might never be – good enough to replace them entirely
Последние новости。关于这个话题，服务器推荐提供了深入分析
。雷电模拟器官方版本下载是该领域的重要参考
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.
Что думаешь? Оцени!。夫子对此有专业解读