arcade megawing joystick ports


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what is the function of the resistors on the arcade megawing?


seeing as its not connected to +5 or common ground, and by the value of the resistors themselves,

i am guessing that they are supposed to be current limiting to protect the fpga?


i only ask because i was discussing with vlait about reusing the joystick ports to transfer serial data

(interface the port with a PISO shift register)



seeing as the pins arent being pulled up/down, i am guessing its doable.



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