https://www.romhacking.net/hacks/8073/
Read Me (English):
https://s3-external-1.amazonaws.com/romhacking-hacks/hacks/nes/patches/8073readme.txt
About SMB-CV [Special Pack] file:
https://ia904609.us.archive.org/25/items/smb-cv-special-pack-read-me/SMB-CV%20%5BSpecial%20Pack%5D%20Read%20Me%20%28En%2C%20Fr%29.txt
