They don't, but they can be made to do that, actually.
See https://github.com/TheFlav/Freeplay-Supp...eeplay.txt and the gpio-keys stuff in https://github.com/TheFlav/Freeplay-Support
That is a simple way to make the buttons appear as a keyboard in Raspbian. If you look at the .dts files, it should give you an idea of what button emulates what keypress.
The typical way that we do the buttons in RetroPie is with a kernel module that sets up a joystick. You can see that here https://github.com/TheFlav/mk_arcade_joystick_rpi
I'm interested in what you're working on doing with this. Maybe you could post some more info when you're ready.
See https://github.com/TheFlav/Freeplay-Supp...eeplay.txt and the gpio-keys stuff in https://github.com/TheFlav/Freeplay-Support
That is a simple way to make the buttons appear as a keyboard in Raspbian. If you look at the .dts files, it should give you an idea of what button emulates what keypress.
The typical way that we do the buttons in RetroPie is with a kernel module that sets up a joystick. You can see that here https://github.com/TheFlav/mk_arcade_joystick_rpi
I'm interested in what you're working on doing with this. Maybe you could post some more info when you're ready.
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Neo Geo Pocket Flash Cart and Linker Project ( http://www.flashmasta.com/ )
Avatar art thanks to Trev-Mun ( http://trevmun.deviantart.com/ )