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biosprint
=========

Syntax
------

     #include <stdio.h>
     
     int biosprint(int cmd, int byte, int port)

Description
-----------

COMMAND = 0
     `byte' is sent to parallel port PORT.

COMMAND = 1
     Parallel port PORT is reset and initialized.

COMMAND = 2
     The status of parallel port PORT is returned.

          7654 3210  Meaning
          
          ---- ---X  Timeout
          ---- -XX-  Unused
          ---- X---  I/O Error
          ---X ----  Selected
          --X- ----  Out of paper
          -X-- ----  Acknowledged
          X--- ----  Idle

Return Value
------------

The printer status.

Example
-------

     while (*c)
       biosprint(0, *c++, 0);