INT 2C P - Cloaking - GET PROTECTED-MODE INTERRUPT VECTOR                       
	AX = 0006h
	CL = vector (00h-7Fh)
Return: CF clear
	DX:EBX -> current interrupt handler
Note:	this function was first introduced with RM386 (RAM-MAN/386) v6.00
SeeAlso: AX=0007h,INT 31/AX=0204h