INT E0 - DR Multiuser DOS - "A_BREAK" - SEND BREAK TO AUX DEVICE

	CL = B2h
	DX = duration of break in system ticks (0001h-FFFFh)
Return: AX = status
	    0000h successful
		break signal completed
	    FFFFh failed
		CX = error code
Notes:	if the AUX device is currently owned by another process, this call will
	  block until the device becomes available
	also supported by REAL/32
SeeAlso: INT E0/CL=A5h,INT E0/CL=B1h