892 J006 MNAH | PGC5000 G EN 2 | 123
accesses the same locations in memory. Values can be stored in COMMON$ by a
BASIC program and then accessed by another BASIC program. The COMMON$ array
passes strings between BASIC programs. This array shall provide for the storage of
128 character strings of length 128.
Syntax: COMMON$( I )
Comments: “I” is an index into the array.
Example: 0010 A$ = "ALARM HAS OCCURRED"
0020 B$ = "NO ALARMS"
0030 IF ALARM THEN
0040 COMMON$( I ) = A$
0050 ELSE
0060 COMMON$( I ) = B$
0070 ENDIF
7.4.15 COMPONENT NAME$ function
Description: Returns the name of the nth component in the analysis report.
Syntax: COMPONENT_NAME$( n )
Comments: n is the nth component in the analysis report
Example: 0010 LPRINT COMPONENT_NAME$( 1 )
7.4.16 COMPONENT TYPE function
Description: Returns a value representing the type of the component (Measured or Calculated).
Syntax: COMPONENT_TYPE( component$ )
Comments: component$ is a string variable (or constant) containing the component name.
Return values:
0 = Measured
1 = Calculated
Example: 0010 IF COMPONENT_TYPE( "N2" ) <> 0 THEN
0020 LPRINT COMPONENT_CONCENTRATION( "N2" )
0030 ENDIF
If the Component Type of the component named “N2” is calculated, print the
component’s value.
7.4.17 COMPONENT UNITS function
Description: Returns the Units Of Measure of the named component.
Syntax: COMPONENT_UNITS$( component$ )
Comments: component$ is a string variable (or constant) containing the component name.
Example: 0010 LPRINT COMPONENT_UNITS$( “Methane” )
7.4.18 CURRENT STREAM function
Description: Returns the stream currently under analysis. (Evaluate adding function to return
purging Stream)
Syntax: CURRENT_STREAM$( schedule$ )
Comments: schedule$ is a string variable (or constant) containing the schedule name for which the
current stream is desired.
Example: 0010 IF CURRENT_STREAM$( “Schedule 1” ) = “ST506” THEN
0020 GOSUB HydrogenStream:
0030 ENDIF
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