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pds.md

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A file with the .pds extension represents a collection localization strings that have been compiled by pdc. This format uses little endian byte order.

Header

Offset Type Detail
0 char[12] Ident "Playdate STR"
12 uint32 Flags

Flags

Bitmask Detail
flag & 0x80000000 If > 0, the data in this file is compressed

String header

If the compression flag is set, there's an extra string data header after the file header. Everything after this is zlib-compressed.

Offset Type Detail
0 uint32 Size of decompressed string data
4 uint32 Unused/reserved, seen as 0
8 uint32 Unused/reserved, seen as 0
12 uint32 Unused/reserved, seen as 0

String Data

Table Header

Offset Type Detail
0 uint32 Number of string entries

Table

After this header, there is a table of int32 offsets for each string entry aside from the first one, as well as an offset to the end of the data.

Offsets are relative to the end of the table, and the first string entry always begins directly after the table.

String Entries

Each string entry contains an utf8 string key, followed by a null byte, followed by a utf8 string value, followed by another null byte.