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.
В России ответили на имитирующие высадку на Украине учения НАТО18:04
，更多细节参见51吃瓜
Mandatory registration creates friction and barriers to entry, particularly for:
// 逻辑：只要右侧元素<最大值，说明该元素需纳入无序区间，右边界右移