set pixel as closest colour to offset
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.
。Line官方版本下载是该领域的重要参考
（三）及时向公安机关、网信部门报告重大威胁情报和程序样本。
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