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LinuxCNC Tormach M-code list

34 M-codes. Pick a code for the format, the addresses, an example program and what to watch out for.

Code	Meaning	Machine
M0	Program pause	Mill and lathe
M1	Optional pause	Mill and lathe
M2	Program end	Mill and lathe
M3	Spindle clockwise	Mill and lathe
M4	Spindle counterclockwise	Mill and lathe
M5	Spindle stop	Mill and lathe
M6	Tool change	Mill and lathe
M7	Mist coolant on	Mill and lathe
M8	Flood coolant on	Mill and lathe
M9	Coolant off	Mill and lathe
M19	Spindle orient	Mill and lathe
M30	Program end and pallet shuttle	Mill and lathe
M48	Enable feed and speed overrides	Mill and lathe
M49	Disable feed and speed overrides	Mill and lathe
M50	Feed override control	Mill and lathe
M51	Spindle override control	Mill and lathe
M52	Adaptive feed control	Mill and lathe
M53	Feed stop control	Mill and lathe
M60	Pallet shuttle and pause	Mill and lathe
M61	Set current tool number	Mill and lathe
M62	Digital output on, synced with motion	Mill and lathe
M63	Digital output off, synced with motion	Mill and lathe
M64	Digital output on, immediate	Mill and lathe
M65	Digital output off, immediate	Mill and lathe
M66	Wait on input	Mill and lathe
M67	Analog output, synced with motion	Mill and lathe
M68	Analog output, immediate	Mill and lathe
M70	Save modal state	Mill and lathe
M71	Invalidate saved modal state	Mill and lathe
M72	Restore modal state	Mill and lathe
M73	Save and auto restore modal state	Mill and lathe
M98	Fanuc style subprogram call	Mill and lathe
M99	Fanuc style subprogram return	Mill and lathe
M100	User M codes M100 to M199	Mill and lathe

Take the list to the machine. The app searches every code by number or shop word and decodes a whole program line by line.