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.
At least 87 Iranian sailors were killed in the attack on the Iris Dena on Wednesday. The frigate was sailing in international waters as it returned from a naval exercise organised by India in the Bay of Bengal. The torpedo strike prompted questions from former US officials about whether Washington’s aim of eliminating all of Iran’s military breached international law.。关于这个话题，体育直播提供了深入分析
。爱思助手下载最新版本是该领域的重要参考
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Екатерина Грищенко (старший редактор отдела «Бывший СССР»)
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