Retro video games delivered to your door every month!
Click above to get retro games delivered to your door ever month!
X-Hacker.org- Assembly Language - <b>function 4407h (68-7) ioctl: get output status</b> http://www.X-Hacker.org [<<Previous Entry] [^^Up^^] [Next Entry>>] [Menu] [About The Guide]
Function 4407h (68-7)    IOCTL: Get Output Status

    Checks to see if the device or file is ready for output.

       On entry:      AH         44h
                      AL         07h
                      BX         Device or file handle

       Returns:
          (file)      AL         FFh     until EOF is reached
                                 00h     after EOF is reached

          (device)    AL         FFh     If device ready
                                 00h     If device not ready

  --------------------------------------------------------------------------

    This subfunction reports the onput status of the device or file. AL
    returns FFh for ready and 00h for not ready (or end of file).

See Also: 44h 4406h

Online resources provided by: http://www.X-Hacker.org --- NG 2 HTML conversion by Dave Pearson