In that case I am very sorry for my comments and will edit the post. Perhaps I have got your KLOV username mixed up as I try to mention all the donators in the program. I don't expect personal collectors to donate unless they want to but I have seen several board flippers that just use my...
There is an easier way that doesn't require any changes to the board!
You can also do R-Type, Dragon Breed, X Multiply, Cosmic Cop or Hammerin Harry.
See this post for more info: https://forums.arcade-museum.com/showthread.php?t=428949
There is no way to use any joystick with Marble Madness.
I have modified the code on my board set to use the same analogue stick as Road Runner, but again this would not help you with using a standard micro switch joystick.