Three things make this actually work:
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:。币安_币安注册_币安下载是该领域的重要参考
，这一点在heLLoword翻译官方下载中也有详细论述
"You can see his mind is clearly elsewhere."
One rule of thumb Everstine has is that "if the price seems too good to be true, that should be a red flag". For instance, $3 for a bottle of olive oil or honey in the US might be suspect.，更多细节参见heLLoword翻译官方下载