How can a modded Famiclone sound WAY BETTER than an NES!

Correction: at 2:47 the size is 40 kilobytes, not bits. Donkey Kong's size is actually 40 KB or 320 Kb. In this video I show how I modded my NES clone to support expansion audio to play the Japanese release of Castlevania 3, Akumajō Densetsu (悪魔城伝説). How to extract the ROMs from the Steam release of Castlevania Anniversary Collection: https://steamcommunity.com/app/101802... Check my project to document Brazilian games (bootleg or not): https://videogamebrasileiro.fandom.co... 00:00 Intro 02:08 Testing Castlevania III's ROM on my NES clone 02:37 What are mappers and why NES games need them 04:35 Testing Akumajō Densetsu's ROM on my NES clone 04:57 How the NES and Famicom sound works 07:38 Modding my NES clone 08:42 Before and after comparison of Akumajō Densetsu music 09:17 Comparison between Castlevania III: Dracula's Curse and Akumajō Densetsu on my NES clone 10:11 Comparison between the US and Japanese releases of Rolling Thunder and conclusion #ExpansionAudio #NES #Castlevania