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Document GC 4.75 catalog trailer

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tsuki
2026-08-15 16:28:22 +02:00
parent 72c59bf410
commit b4d9798413
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docs/re_gc_catalog.md
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@@ -12,6 +12,12 @@ record count, allocates `count * 0xb4` bytes, and deserializes every variable-si
disk record into one `0xb4`-byte runtime entry. The dumped file contains 924 disk record into one `0xb4`-byte runtime entry. The dumped file contains 924
records. IDs are explicit and can have gaps; they are not array indices. records. IDs are explicit and can have gaps; they are not array indices.
The loader stops after the declared record count; it does not require EOF.
GC 4.75 catalogs can append a version-specific metadata block after the song
array (one observed 917-record catalog has 4116 trailing bytes). The clean-room
reader therefore validates every declared record but intentionally leaves such
post-array data uninterpreted.
The game's primitives used by this loader are: The game's primitives used by this loader are:
- `FUN_005d8bc0`: big-endian `u32`; - `FUN_005d8bc0`: big-endian `u32`;