He tells BBC Newsbeat that he expected to receive a cease and desist letter from the retail giant after describing some of the clothes as "boring" and "tacky PE kit".
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.
，这一点在雷电模拟器官方版本下载中也有详细论述
1 Go stacks do not have any alloca-style mechanism for。WPS官方版本下载对此有专业解读
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