inc

Short summary

method to increase __xword without overflow

Parameters

Name	Type	Comment	Kind
value	__XWORD	-	inout

Code

Declaration

METHOD PRIVATE inc
VAR_IN_OUT
	value 		:__XWORD;
END_VAR
VAR CONSTANT
	XWORD_MAX	:__XWORD 	:= TO___XWORD(0 - 1);
END_VAR

Implementation

value := SEL(value = XWORD_MAX, value + 1, XWORD_MAX);