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Program Structure
Expressions
Parenthesized SubexpressionsThe constant term of an expression may contain parenthesized subexpressions that alter the order of evaluation from the precedence normally associated with arithmetic operators. For example:
contains a parenthesized subexpression that rounds a value up to a multiple of 2048.
Absolute symbols may be equated to constant terms containing parenthesized subexpressions as in the following sequence:
| BASE | .EQU | 0x200 |
| N_EL | .EQU | 24 |
| SIZE | .EQU | (BASE+4)*N_EL |
| The use of parentheses to group subexpressions may cause ambiguities | ||
NOTE | |||
| in statements where parenthesized register designators are also | ||
| expected. |
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34 | Chapter 2 |