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You can use this directive to define names for numerical data that can be used instead of the actual numbers in the operands of machine-language instructions and directives in source code.

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We recommend defining frequently used numerical values as names. Even if a given value in the source program is to be changed, you will only need to change the value corresponding to the name.

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The .SET directive may be described anywhere in a source program.

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Each name is a redefinable name.

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The name generated by the .SET directive cannot be externally defined by the .PUBLIC directive.

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The operand value is in accordance with "(a) Absolute expression". An illegal value will lead to an error.

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A value between 0x00000000 and 0xFFFFFFFF can be specified as an absolute expression in the operand field.

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This directive differs from the .EQU directive in that a symbol with a bit position specification cannot be defined.

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Operators that generate a relocatable term as a result of calculation are not allowed in the operand field.