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Expressions
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Expressions
An expression specifies an address or numeric value. Whitespace may precede and/or follow
an expression.
See the following documentation for more discussion regarding expressions.
Empty Expressions
Integer Expressions
Arguments
Operators
Prefix Operator
Infix Operators
The result of an expression must be an absolute number, or else an off-set
into a particular section. If an expression is not absolute, and there is not
enough information when as sees the expression to know its section, a second pass
over the source program might be necessary to interpret the expression—but the
second pass is currently not implemented. as aborts with an error message in this situation.
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