db9_gpio_rpi genesis / MD help. only seeing B button. Not working in ES
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Hi everyone
Im struggling a bit to set up 2 original genesis / megadrive controllers with retropie.
I have soldered and connected wires to the pins from this guide https://retropie.org.uk/docs/GPIO-Modules/#db9_gpio_rpi
I have added db9_gpio_rpi to the /etc/modules file.
and created a db9.conf file in etc/modprobe.d containing "db9_gpio_rpi map=4,4"
But i am getting no input inside emulation station.. and when i go into the terminal to test with jstest, the D-pad is inputting, but only the B button is getting picked up.
Any help would be great.
many thanks
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