Do you remember what you did to kill Homing, or does that still work?
A CNC mill typically works in the -X-Y quadrant, but Lightburn works in the +X+Y quadrant. Search the forum for G10 L2 P1 for info on this issue and how to solve. You might also try searching for FoxAlien or Fox Alien.
If your controller is GRBL based, entering $$ in the Console window will produce a string of numbers.