INT 31 - CauseWay - "IntXX" - SIMULATE REAL-MODE INTERRUPT

	AX = FF01h
	BL = interrupt number
	ES:(E)DI -> real-mode register list (see #03148 at AX=0300h)
Return: register list updated
Note:	CauseWay fills in the values for SS, SP, and FLAGS itself, and ignores
	  the values specified for CS and IP
SeeAlso: AX=0300h,AX=FF02h