13:24, 27 февраля 2026Бывший СССР
存储芯片在上游扇一扇翅膀，智能手机行业或许面临一场风暴。
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could not be used with 3600 controllers. Since 3600 systems were widely
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Что думаешь? Оцени!。夫子对此有专业解读
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.