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.
Цены на нефть взлетели до максимума за полгода17:55
。雷电模拟器官方版本下载对此有专业解读
Также политолог указал на третью проблему, о которой утверждает Пакистан, — помощь третьих стран террористам и их сотрудничество с Афганистаном.
Watch: "I'm not going to speculate", says Marco Rubio on Cuba boat shooting
。关于这个话题,爱思助手下载最新版本提供了深入分析
Cuban president says country will ‘defend itself with determination’ after deadly coastal assault by exiles
"To be," in LatinThe answer is Esse.,这一点在搜狗输入法下载中也有详细论述