12-23-2018, 09:42 PM
Are your CIA's in sockets? If so, you could try swapping them. This can happen from a CIA problem.
Also, a joystick plugged in can interfere with the USER port.
Since you went back to known good firmware, I would say something with your machine or setup has changed.
Also, a joystick plugged in can interfere with the USER port.
Since you went back to known good firmware, I would say something with your machine or setup has changed.