rice, first of all thanks for your work and keeping n64 alive.
now, hopefully i have saved you a headache here

i have found that in super mario 64 if you enable dump textures and the path to where they should go doesn't exist,
that's when the textures in the game start crapping themselves, as in minkster's screenshot. if you stop the emulation, manually create the folder(s) needed, and restart the game, texture dumping works great and everything appears as it should. so the easy fix is creating the needed folders for the user. :bouncy: