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.
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「我剛到這裡時，和人同房很難適應，天氣也相當惡劣。前一個月我都在想：『或許這不是適合我的工作。』」他坦言。，这一点在51吃瓜中也有详细论述
The expanding hex-based world map contains lots for players to discover
Фото: Ukrainian Armed Forces / Reuters