6 Application Instructions API 00-49 P12 Main Program Main Program subroutine P10 P13 subroutine subroutine P11 P14 subroutine subroutine DVP-PLC Application Manual 6-7 X0 INC D0 Y0 X10 CALL P10 X0 INC D1 Y1 FEND X2 INC D10 Y4 X11 CALL P11 X2 INC D11 Y5 SRET X2 INC D20 Y6 X12 CALL P12 X2 INC D21 Y7 SRET INC D0 X2 INC D30 Y10 X13 CALL P13 X2 INC D31 Y11 SRET X2 INC D40 Y12 X14 CALL P14 X2 INC D41 Y13 SRET X2 INC D50 Y14 SRET END INC D30 CALL P10 CALL P13 INC D1 INC D31 INC D10 INC D40 CALL P11 CALL P14 INC D11 INC D41 INC D20 INC D50 CALL P12 INC D21