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anpage / snescheaders.md
Last active October 8, 2017 10:32
Description of the headers used in the SNES Classic ROM files (.sfrom)

Header

Start Size Description Notes
0x00 0x4 0x00000100
0x04 0x4 File size Includes the header and footer
0x08 0x4 Location of ROM Always 0x00000030 in official files
0x0C 0x4 Location of PCM samples Comes after end of ROM in official files
0x10 0x4 Location of PCM footer Equals file size if PCM data missing
0x14 0x4 Location of footer (below) Same as New 3DS's SNES VC header starting from 0x30
0x18 0x4 Lo