圖像來源，BBC Chinese / Lok Lee
Credit: Amy Sussman/Getty Images
，这一点在im钱包官方下载中也有详细论述
Highest danger rate
JIO_OK ("jump if I/O OK") tests whether CPL ≤ IOPL. The same check gates PUSHF, POPF, INT n, and IRET. The monitor then emulates each instruction as appropriate: maintaining a virtual interrupt flag per V86 task, reflecting software interrupts through the real-mode interrupt vector table, virtualizing I/O accesses, and so on.