Denso Power Net Terminal BHT-103 Dokumentacja Pobierz pdf (Strona 344)

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Chapter 14. Statement Reference

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Additional Explanation for Statements

■ Effective range of labels

Labels are effective only in a file.

■ Definition of common variables (by

COMMON statement)

In an object to be executed first (that is, in a main object), you should define all common vari-

ables to be accessed. In any other objects, declare common variables required only in each

object. If a first executed object is linked with an object where an undefined common vari-

able(s) is newly defined, then an error will result.

■ Definition and initialization of register variables (by

DEFREG statement)

As for work variables, you should declare required register variables in each object. You may

specify an initial value to a register variable in each object; however, giving different initial val-

ues to a same register variable in more than one object will result in an error in linking process.

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