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.
Екатерина Графская (Редактор отдела «Наука и техника»)
。关于这个话题，WPS官方版本下载提供了深入分析
int digits = 0;
（三）违法行为已涉嫌犯罪的，移送有关主管机关依法追究刑事责任；