Author(s): Deep Sagar, Abhishek Sharma, Arti Kashyap
Real-mode programs freely execute CLI and STI to control interrupts, PUSHF and POPF to manipulate flags, INT n for DOS and BIOS calls, and IN/OUT for hardware I/O. In normal protected mode, these instructions are privilege-checked -- they execute normally if the caller has sufficient privilege, and fault otherwise. The 386 can't simply let V86 tasks execute them freely -- a DOS program disabling interrupts would bring down the whole system -- but trapping on every INT 21h call would make V86 impractically slow.，推荐阅读Line官方版本下载获取更多信息
。搜狗输入法2026是该领域的重要参考
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Что думаешь? Оцени!。搜狗输入法下载对此有专业解读
the first voyage in an adventure that took us through Siebel before grounding