INT 2F - Intel Image Processing Interface - SET DEVICE NAME                     
	AX = CD01h
	CX:BX -> ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. character device name ("LPTn", "COMn", "PRN")
Return: AL = status
	    00h successful
		CX:BX -> internal character device name
	    80h error