

The end goal is probably a native PC version of the game.
Imagine if someone handed you a burnt cake and said “make this exact cake, but not burnt.”
If you can perfectly recreate the burnt cake, you’ve at least verified your ingredient list. The next step is to just bake it right.
Not claiming to be an expert, but I watched this video a while back. https://www.youtube.com/watch?v=OmKjVpVdHDQ
The impression I got is that PS1 emulation is actually pretty good, and N64 emulation is more like that Homer Simpson meme with all the clothespins on his back.