Siemens SINUMERIK 840DE Programming Manual page 117

Example of milling
Start positions or tool change points, retracting the tool, etc., are approached with G0.
N10 G90 S400 M3
N20 G0 X30 Y20 Z2
N30 G1 Z-5 F1000
N40 X80 Y65
N50 G0 Z2
N60 G0 X-20 Y100 Z100 M30
Example of turning
Fundamentals
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
4.3 Rapid traverse movement (G0, RTLION, RTLIOF)
;Absolute dimensioning, spindle clockwise
;Approach start position
;Tool infeed
;Travel on straight line
;Retract tool, program end
.
Programming Motion Commands
4-11