M0 - Pause
M1 - Pause (optional)
M2 - Program End
M30 - Program End
M3 - Spindle CW
M4 - Spindle CCW
M5 - Spindle Stop
M6 - Tool Change
M61 - Tool Select
M7 - Mist On
M17 - Mist Off/On
M8 - Flood On
M18 - Flood Off/On
M9 - Mist & Flood Off
M10 - Motor Enable On/Off
M11 - Limit & Probe Enable On/Off
M48 - Enable Override Feed & Spindle
M49 - Disable Override Feed & Spindle
M50 - Enable/Disable Override Feed
M51 - Enable/Disable Override Spindle
M52 - Controller parameters
M53 - Enable/Disable Pause
M54 - Enable/Disable THC
M55 - Enable/Disable Transformations
M56 - Enable/Disable Warp
M57 - Enable/Disable Swap
M58 - Kinematics Mode
M62 - Output
M63 - Output PWM
M64 - Output ExtOut
M65 - Output Serial
M66 - Output I2C
M70 - Modal State Store
M71 - Modal State Invalidate
M72 - Modal State Restore
M73 - Modal State Store & Autorestore
M82 - Distance Mode - ABC Absolute
M83 - Distance Mode - ABC Incremental