INT 2C P - Cloaking - CALL V86-MODE INTERRUPT HANDLER                           
	AX = 0026h
	DS:EBX -> client register structure (see #02559)
	CX = interrupt number
Return: CF clear if successful
	    client register structure updated
	CF set if no more nested procedure call space available
Notes:	this call uses the V86-mode stack supplied in the client structure
	this function was first introduced with RM386 (RAM-MAN/386) v6.00
SeeAlso: AX=0025h,AX=0027h,INT 31/AX=0300h