are you trying to take the processor out of protected mode of go into protected mode?
there are many things you need to be aware of in each mode. it would take me all month to explain the rudiments so a simple explaination suited to your requirements will be more efficient - so what is your purpose?
"People who have nothing to say, say it too loud and have little knowledge. It's the quiet ones you need to worry about!"
Simplest explanation (no details, no potential complications included) on how to get on protected mode:
Set the lowest bit of MSW/Cr0.
Simplest explanation (no details, no potential complications included) on how to get off protected mode:
286 - reset the processor (on PC-compatibles, use the keyboard handler's processor-only reset or triple-fault the computer).
386+ - clear the the lowest bit of the MSW/Cr0 "Information has a tendency to be free. Which means someone will always tell you something you don't want to know."
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