protected d switch 防护式开关
You can alter your bootsector code to load your file, switch to protected mode and jump to your kernel image (if you have enough room for the code in your bootsector!
您可以改变您的引导区,用来加载您的文件,切换进保护模式,然后再跳入您的内核映像(如果您的引导扇区有足够的空间来放置这些代码的话!)
Also, EMM386 will provide VCPI memory and switch DOS into the protected and V86 mode automatically.
同样,EMM 386将提供VCPI内存,并且自动将DOS切换到保护模式和V86模式。
When your PC boots up it is in what is known as Real Mode, you have to switch your machine into Protected Mode, THEN jump to your kernel image.
当您的电脑启动后它进入的是实模式,您必须把机器切换入保护模式,然后再跳入您的内核映像。
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