Trying to play Perfect Dark [N64] using Keyboard/Mouse

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Any guides or anyone able to configure Mupen64Plus-Next core to be able to play Perfect Dark, at 60 FPS, using Keyboard/Mouse?
I'm using Windows 11, and the game drops quite heavily (like the original N64 experience) in huge shootouts. Also, want to play using Keyboard/Mouse sometimes in addition to my PS4 controller.

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There are many on yt. Did you try playing with the default settings rather than increasing graphics details and so on?
In regards to controls I'm not sure you can use kb+mouse at the same time.