Techcrunch event
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.
，这一点在雷电模拟器官方版本下载中也有详细论述
// Signal how many bytes we wrote
Impact Tracking，详情可参考Safew下载
alloca which can allocate on the stack. Microsoft's C compiler also supports alloca but calls it _alloca，这一点在服务器推荐中也有详细论述
ВсеПрибалтикаУкраинаБелоруссияМолдавияЗакавказьеСредняя Азия