const n = num.length;
Daniel Larlham Jr.
，更多细节参见safew官方版本下载
一款刚迈过临床门槛的新药，真能成为长春高新的救命稻草？。同城约会对此有专业解读
Besides the Test PLA, the 386 has another PLA called the Entry PLA that maps opcodes to microcode entry points. One of its input bits is a "protected mode" flag. Many instructions have both a real-mode and a protected-mode entry point -- for instance, MOV ES, reg maps to address 009 (a single microcode line) in real mode, but to 580 (which initiates a full descriptor load with protection tests) in protected mode. The trick that makes V86 work is to define this flag as:。关于这个话题，51吃瓜提供了深入分析