All that this patch does is removing the stray pixel found in between the “O” in “MARIO” and the “W” in “WORLD”. See screenshots below for comparison.
The patch is only for the USA version as this issue does not exist in other regions.
Hashes:
No-Intro Name: Super Mario World (USA)
ROM MD5: CDD3C8C37322978CA8669B34BC89C804
ROM SHA-1: 6B47BB75D16514B6A476AA0C73A683A2A4C18765
ROM CRC32: B19ED489
ROM MD5: CDD3C8C37322978CA8669B34BC89C804
ROM SHA-1: 6B47BB75D16514B6A476AA0C73A683A2A4C18765
ROM CRC32: B19ED489
Staff/Credits:
FiZiX: graphics
File download: