onds..."
sound 4000 20
</pre>

<p><strong>Note:</strong> some quick frequencies. 4000 = C. 3600 = D. 3200 = E. 3000 = F. 2700 = G. 2400 = A. 2100 = B.</p>



<br />

<a name="string"></a>
<h3>STRING</h3>
<p>Get or set bytes in a string variable, specified by an offset. Examples:</p>

<pre>
$1 = "Hello world"

rem *** 121 = ASCII for "y" character ***
b = 121

string set $1 5 b

rem *** Now $1 contains "Helly world" ***
print $1
</pre>




<br />




<a name="waitkey"></a>
<h3>WAITKEY</h3>
<p>Pauses program 