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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.。safew官方版本下载是该领域的重要参考
习题链接：LeetCode 901. 股票价格跨度，推荐阅读im钱包官方下载获取更多信息
Maggie 姐在尖东新花都夜总会（图：南方人物周刊记者 方迎忠）