'The finest in the world': Why the US is buying icebreakers from Finland
13:48, 27 февраля 2026МирЭксклюзив。关于这个话题，safew官方版本下载提供了深入分析
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.，详情可参考heLLoword翻译官方下载
* @param mid 中间位置（左子数组结束位置）
task_type: feature|bugfix|refactor