INT 21,44,1 / IOCTL,1 - Set Device Information

	AH = 44h
	AL = 01
	BX = handle
	DH = must be zero
	DL = device data low order byte  (see below)


	on return
	AX = error code if CF set
	DX = device information  (see below)


	- applicable to character devices only
	- allows setting of device data word for character devices
	- usually used to change from binary to translated I/O
	- handle in BX must be an opened file or device


Device Data Word

	│F│E│D│C│B│A│9│8│7│6│5│4│3│2│1│0│  Device Data Word
	 │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ └──── 1 = standard input device
	 │ │ │ │ │ │ │ │ │ │ │ │ │ │ └──── 1 = standard output device
	 │ │ │ │ │ │ │ │ │ │ │ │ │ └──── 1 = NUL device
	 │ │ │ │ │ │ │ │ │ │ │ │ └──── 1 = clock device
	 │ │ │ │ │ │ │ │ │ │ │ └──── reserved
	 │ │ │ │ │ │ │ │ │ │ └──── 1 = binary mode, 0 = translated
	 │ │ │ │ │ │ │ │ │ └──── 0 = end of file on input
	 │ │ │ │ │ │ │ │ └──── 1 = character device
	 └─┴─┴─┴─┴─┴─┴─┴──── reserved, must be zero