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.
Earlier today I set you these three problems about the number 11. Here they are again with solutions.
，详情可参考搜狗输入法下载
PIXELS_DEFAULT_POOL，详情可参考WPS官方版本下载
PS Vita TV原本是让玩家在电视上游玩PS Vita的版本，但是并没有获得成功，仅发售两年就停产。
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