Израиль нанес удар по Ирану09:28
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.，这一点在safew官方下载中也有详细论述
，详情可参考im钱包官方下载
For the user, this is completely transparent.，这一点在快连下载安装中也有详细论述
A reprieve for cinemas but less content