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BYML

Contents
1. File Format
    1.1. Header Info
    1.2. Table Header Info (???)
    1.3. Entry Info (???)

BYML (not to be confused with BYAML used in games like Mario Kart 8), is a format used in Super Mario 3D Land to store data such as Map data.

1. File Format


NOTE: The entire file is in little endian.
Each section starts off with 0xC2 to denote a new section. (TODO: Find out what 0xC1 and 0xC0 mean ???)

1.1. Header Info


Offset Size Description
0x00 2 The magic ("BY")
0x02 2 Version of the format (0x0001 in Super Mario 3D Land)
0x04 4 Offset to the first section (Header info ???). Always 0x10
0x08 4 Offset to the second section (Entries ???).
0x0C 4 Offset to the third section (Entry Data ???).

1.2. Table Header Info (???)


After the header data, there are a number of offsets to a string section (from the start of the section, not the file) along with one more (not included in header entry count) to point to the end of the section.
Offset Size Description
0x00 1 Character for new section (0xC2)
0x01 1 Number of entries
0x02 2 Padding

1.3. Entry Info (???)


After the header data, there are a number of offsets to a string section (from the start of the section, not the file) along with one more (not included in header entry count) to point to the end of the section.
Offset Size Description
0x00 1 Character for new section (0xC2)
0x01 1 Number of entries
0x02 2 Padding

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