4.6.2 Integer Expressions

An integer expression is one or more arguments delimited by operators. Arguments are symbols, numbers or subexpressions. Subexpressions are a left parenthesis ‘(’ followed by an integer expression, followed by a right parenthesis ‘)’; or a prefix operator followed by an argument.

Integer expressions involving symbols in program memory are evaluated in Program Counter (PC) units. The PC increments by 4 for each instruction word.