With the new Version of Vice (SDL2) there was a bug which results in loosing some joystick bindings at startup of Vice.
See here:
https://retropie.org.uk/forum/topic/3972/vice-c64-emulator-now-supports-sdl2
I posted this upstream and there is already a solution for this:
https://sourceforge.net/p/vice-emu/bugs/796/
There is a new version of Vice: r31978
https://sourceforge.net/p/vice-emu/code/HEAD/tree/
May I ask politely someone to compile this new version for our RetroPies? Unfortunately I am not capable of doing this.
I will update the module when 2.4.32 comes out.
An updated vice is now included with the fix.
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I will update the module when 2.4.32 comes out.