V86 mode is entered through IRETD when the VM bit is set in the stacked EFLAGS. The microcode detects this with a conditional jump:
Michael Dell did it. The founders of Proof did it. Even our incubator prototypes products with Kickstarter campaigns. If customers pay before launch, demand is validated and you’re building what people want now.
，推荐阅读谷歌浏览器【最新下载地址】获取更多信息
Either way, the delay slots do useful work: they compute the descriptor address and start reading it from memory. By the time the PLA verdict arrives, the hardware is already prepared for whichever path is selected. No cycles are wasted.
Continue reading...
云耀深维打印的传动泵（图源/企业）