V86 mode is entered through IRETD when the VM bit is set in the stacked EFLAGS. The microcode detects this with a conditional jump:
* Write a detailed test suite as you add more features. The test must be re-executed at every major change.
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习近平总书记微笑作答：“我是人民的勤务员。”
"There was a big step – jump – that people have questioned," Jackson says. "But now the world is awash with oil and it's not clear that the same calculations still apply."
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用