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.
深度横评：2026 年，AI 生成 PPT 到底进化到什么程度了？
In 2019, Furret — a long, mustelid-shaped Johto Pokémon with a very feline aura — achieved meme immortality simply by walking.，推荐阅读搜狗输入法2026获取更多信息
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第三十六条 违反国家规定，制造、买卖、储存、运输、邮寄、携带、使用、提供、处置爆炸性、毒害性、放射性、腐蚀性物质或者传染病病原体等危险物质的，处十日以上十五日以下拘留；情节较轻的，处五日以上十日以下拘留。，推荐阅读下载安装 谷歌浏览器 开启极速安全的 上网之旅。获取更多信息