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biostime
========

Syntax
------

     #include <bios.h>
     
     long biostime(int cmd, long newtime);

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

This function reads (CMD=0) or sets (CMD=1) the internal tick counter,
which is the number of 18.2 Hz ticks since midnight.

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

When reading, the number of ticks since midnight.

Example
-------

     long ticks = biostime(0, 0);