feat: export as raw elf and allow 4 player support with GPIO #7280
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This PR allows users to export the raw elf file via the hardware selection screen:
The "learn more" leads to the McAirpos home page where people can discover the use/need for McAirpos to run these games on emulator frontends. For me it was to help with the use of the Arcade Cardboard when using McAirpos directly.
Files are exported as raw .elf files but another HUGE bonus as these .elf files also allow for the GPIO 4 player support! This was tested on my arcade cabinet with all 4 controllers wired to a Raspberry Pi 3B.
Here's a video of the 4 player GPIO buttons in action running on a Raspberry Pi 3B using Trixie Lite and McAirpos to launch the game directly.
out-2026-01-04_17-49-44.mp4