====== KeyInH ======

''variable = KeyInH( port, debouncingTime)''
| //variable // | Variable to store results (No String or Single)  |
| //port// | Input port (0 to 255)  | 
| //deboucingTime// | Debouncing time (0 to 65535)  |
 
KeyInH is for active high inputs. For active low inputs, the KeyIn command
should be used.

When a button press is detected, KeyInH will return 1; otherwise, it will
return 0.


<code xbasic>
A = KeyInH(1,100) 'Read from port 1 after waiting 100ms for debouncing.
</code>

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