Panasonic FP7 Series Command Reference Manual page 214

3.35 SBL (Subroutine Label), RET (Subroutine Return)
SBL 0
CALL 1
RET
Call from within subroutine
3-110
(Level 2)
(Level 3)
SBL 1
SBL 2
CALL 2
CALL 3
RET
RET
Example of 5 levels of nesting
(Level 4)
(Level 5)
SBL 3
SBL 4
CALL 4
RET
RET
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