pTAL Conversion Guide

pTAL Built-In Routines

pTAL Conversion Guide—527302-002

18-14

$ATOMIC_OR

$ATOMIC_OR, an atomic operation, performs a logical “or” operation (bitwise “or”—

LOR) on a variable and a mask and stores the result in the variable.

var input,output

INT:variable

is the variable to which $ATOMIC_OR apples mask.

mask input

INT:value

is a 16-bit mask that $ATOMIC_OR applies to var.

$ATOMIC_OR performs the following statement:

var := var LOR mask

Examples of $ATOMIC_OR:

Sets condition code Yes (according the final value of var )

Sets $CARRY No

Sets $OVERFLOW No

Example 18-6. Call to $ATOMIC_OR Routine

INT var;

INT mask;

$ATOMIC_OR(var, mask);

var mask result

%H1234 %HAAAA %HBABC

%H1234 %H5555 %H5775

%H6789 %HAAAA %HEFAB

%H6789 %H5555 %H77DB

$ATOMIC_OR ( , ) ;

VST611.vsd

var mask