Button 2 on controller port 1 not working
Hi there! I have a NTSC (USA) Master System and button 2 is not working on controller port 1. I have two original controllers and both work perfectly when connected to controller port 2, but if I connect to port 1, button 2 won’t work. I tried resoldering all 9 pins for controller port 1, but problem persists. Any idea what might be wrong? Thank you!
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