Quote Originally Posted by Neale View Post
Fanuc and some of the more sophisticated controllers are more likely to use their own gcode extensions.
Isn't Mach3 essentially a basic Fanuc controller?

http://www.machsupport.com/software/...st-processors/

Scroll down to find that Newfangled solutions recommend a basic Fanuc POST should work if you don't have a CAM specific post processor, this was the case when Art Fennerty still ran the show so it's not just smoke from the slackers who bought him out and broke the product ;-)
I so bet Art is crying and laughing his socks off at the same time, the Chinese stand alone controllers are giving MACH4 What For and look like being a better bet! :D