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:
// 定义nums1和nums2的长度（保持你的命名风格）
，这一点在服务器推荐中也有详细论述
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Video from the incident shows a large group of people following police officers, showering them with snowballs and jeering, as they retreat to their vehicles outside the park. Videos also showed officers shoving at least two people to the ground while getting hit from all directions by snowballs.