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