Programmer's Reference Manual Intermec Fingerprint® v8.70.0 ...

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Intermec Fingerprint v8.70.0/v10.0.0 Programmer´s Reference Manual
Chapter —Program Instructions
Purpose Statement for returning to the main program after having branched to a
subroutine because of a GOSUB statement.
Syntax RETURN[|]
is optionally the number or label of a line in the main program to
return to.
Remarks When the statement RETURN is encountered during the execution of
a subroutine, the execution will return to the main program. Execution
will continue from the statement immediately following the most recently
executed GOSUB or from an optionally specified line.
If a RETURN statement is encountered without a GOSUB statement
having been previously executed, Error 28, “Return without Gosub” will
occur.
Example 10 PRINT "This is the main program"
20 GOSUB 1000
30 PRINT "You’re back in the main program"
40 END
1000 PRINT "This is subroutine 1"
1010 GOSUB 2000
1020 PRINT "You’re back in subroutine 1"
1030 RETURN
2000 PRINT "This is subroutine 2"
2010 GOSUB 3000
2020 PRINT "You’re back in subroutine 2"
2030 RETURN
3000 PRINT "This is subroutine 3"
3010 PRINT "You’re leaving subroutine 3"
3020 RETURN
RUN
yields:
This is the main program
This is subroutine 1
This is subroutine 2
This is subroutine 3
You’re leaving subroutine 3
You’re back in subroutine 2
You’re back in subroutine 1
You’re back in the main program