Subprogram Within A Subprogram - HEIDENHAIN TNC 620 User Manual

Subprograms and program section repeats | Nesting

Subprogram within a subprogram

Example
0 BEGIN PGM UPGMS MM
...
17 CALL LBL "UP1"
...
35 L Z+100 R0 FMAX M2
36 LBL "UP1"
...
39 CALL LBL 2
...
45 LBL 0
46 LBL 2
...
62 LBL 0
63 END PGM SUBPGMS MM
Program execution
1 Main program UPGMS is executed up to NC block 17
2 Subprogram UP1 is called, and executed up to NC block 39
3 Subprogram 2 is called, and executed up to NC block 62. End of
subprogram 2 and return jump to the subprogram from which it
was called.
4 Subprogram UP1 is called, and executed from NC block 40 up to
NC block 45. End of subprogram 1 and return jump to the main
program UPGMS.
5 Main program UPGMS is executed from NC block 18 up to
NC block 35. Return jump to NC block 1 and end of program
HEIDENHAIN | TNC 620 | Klartext Programming User's Manual | 01/2022
Call the subprogram marked with LBL UP1
Last program block of the main program with M2
Beginning of subprogram UP1
Call the subprogram marked with LBL 2
End of subprogram 1
Beginning of subprogram 2
End of subprogram 2
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