did you accidentally set them both to the same button?

I use a switch pro controller as well, and I use octomino’s sdl input plugin.

I don’t see it change the camera twice, but idk.

You can also ask #technical_help in the super mario 64 speedruns discord, or use the emulator guide (https://wermi.neocities.org/emuguide)

technically, yes, humans can blj into PUs, but its extremely hard and only in certain places

there are many home brewing tutorials, you just need an address card, wifi connection, and some methods need a flash drive. you can find them on youtube