Arm VERSION 1.2 Manual do Utilizador descarregar pdf (Página 288)

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101

Directives Reference

7.2.2 LCLA, LCLL, and LCLS

The

LCLA

directive declares a local arithmetic variable, and initializes its value to 0.

The

LCLL

directive declares a local logical variable, and initializes its value to

{FALSE}

The

LCLS

directive declares a local string variable, and initializes its value to a null

string,

Syntax

<lclx> variable

where:

<lclx>

is one of

LCLA

LCLL

, or

LCLS

variable

is the name of the variable.

variable

must be unique within the macro that

contains it.

Usage

Using one of these directives for a variable that is already defined re-initializes the

variable to the same values given above.

The scope of the variable is limited to a particular instantiation of the macro that

contains it (see MACRO and MEND on page 7-27).

Set the value of the variable with a

SETA

SETL

, or

SETS

directive (see SETA, SETL, and

SETS on page 7-7).

See GBLA, GBLL, and GBLS on page 7-4 for information on declaring global variables.

Example

MACRO ; Declare a macro

$label message $a ; Macro prototype line

LCLS err ; Declare local string

; variable err.

err SETS "error no: " ; Set value of err

$label ; code

INFO 0, "err":CC::STR:$a ; Use string

MEND

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