Metrologic IS1000 Series Guía de usuario descargar pdf (Pagina 34)

CipherLab BASIC Compiler

User's Guide

{ELSE IF condition2 THEN

Statementblock2}

[ELSE

StatementblockN]

END IF

Remarks

“condition” is a logical expression.

“Statementblock” can be multiple lines of BASIC statements.

Example

IF LEFT$(String1$,1) = “A” THEN

PRINT “String1 is led by A.”

ELSE IF LEFT$(String1$,1) = “B” THEN

PRINT “String1 is led by B.”

ELSE

PRINT “String1 is not led by A nor B.”

END IF

IF … THEN … END IF

Purpose

To provide a decision structure for a conditional execution with multiple lines of

actions.

Syntax

IF condition1 THEN

action1

action2

…

END IF

Remarks

“condition” is a logical expression.

“action” is a BASIC statement.

Example

IF Data1% > Large% THEN

BEEP(800,30)

Large% = Data1%

PRINT “Current Largest Number is “, Data1%

END IF

ON ... GOSUB ...

Purpose

To call one of the several specified subroutines depending on the value of the

expression.

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Metrologic IS1000 Series Guía de usuario Pagina 34