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:
因此，德索托的政策主张很简单：让穷人的资产进入市场体系。他不是发补贴，也不是搞福利，而是降低制度门槛，让他们能够合法登记产权、注册企业、参与市场。这不是“给穷人钱”，而是“给穷人制度入口”。
。业内人士推荐同城约会作为进阶阅读
Crawler-Parser: parse_list(html)
美国作家莫娜 · 辛普森：做最好的自己