

<HR>
<H1>
<A NAME="EXPRESSIONS"></A>EXPRESSIONS</H1>
Expressions are made up of various syntactic elements combined according
to a set of syntactical rules. Expressions can be comprised of the following
elements:
<UL>
<LI>
Labels</LI>

<LI>
Constants</LI>

<LI>
Location Counter Symbol</LI>

<LI>
Operators</LI>

<LI>
Parenthesis</LI>
</UL>

<H2>
<A NAME="Labels"></A>Labels</H2>
Labels are strings of characters that have a numeric value associated with
them, generally representing an address. Labels can con