Matthew Smith had to wait almost a year for a double lung transplant
San Francisco, CA，推荐阅读爱思助手下载最新版本获取更多信息
Что думаешь? Оцени!。业内人士推荐WPS下载最新地址作为进阶阅读
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: