For the Nintendo 64 https://en.wikipedia.org/wiki/Nintendo_64
Dumping ROMs: copy ROMs from cartridges https://en.wiktionary.org/wiki/dump#Verb
Flashcart assisted: using a N64 and a flashcart such as a SummerCart64 https://github.com/Polprzewodnikowy/SummerCart64
Copying: See LICENSE. It applies to everything in this repo, including code, text, images, binaries.