EQU - Equate symbol value

Syntax

  <label>: EQU <expression>

Synonym

None

Description

The EQU directive assigns the value of the <expression> in the operand field to <label>. The <label> and <expression> fields are both required, and the <label> cannot be defined anywhere else in the program. The <expression> cannot include a symbol that is undefined or not yet defined.

The EQU directive does not allow forward references.

Example

See the following listing for examples of using the EQU directive.

Listing: Using EQU to set variables


        0000 0014  MaxElement: EQU  20
        0000 0050  MaxSize:    EQU  MaxElement * 4

                   Time:   DS.B  3

        0000 0000  Hour:   EQU   Time   ; first byte addr.

        0000 0002  Minute: EQU   Time+1 ; second byte addr

        0000 0004  Second: EQU   Time+2 ; third byte addr