m831.mcs is the change axis from z to a. m832.mcs is the reset of axis z and a back. The g-code example is also included. Placement of the *.mcs files should be under profile then under macros. m831 resets all motors for both z and a. So if you're using slaves... not a good idea.

It appears that I have failed to load the files from the last post. Sorry so here they are...