First of all in order to help support the creation of more excellent N64 MIPS tutorials, consider subscribing to Fraser here: Fraser N64 - YouTube
If you are lucky you can catch the stream live here: fraserN64 - Twitch
You can access all the source code and resources refeenced in the videos here: fraser125/N64_ASM_Videos: The files complementing my video series N64 MIPS Assembly