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Where i can get interrupts sources? Or maybe i can use BIOS interrupts in pmode?
I don't know what to do with it! Help!!!

you can't use BIOS interrupts in pmode, because the concept of pmode is different from the real mode. i suggest you to first study the pmode tutorials.

cheers,
x86

Acutally, there is a way, by setting up a v86 task in protected mode, which may call bios interrupts, but this complicated all the way and writing things yourself might be far easier (and faster ...)