testlevel chapters 2-31 overwrite game memory (coin counter and flag rows end after world 8: progress, language, options): level projects, play-tests and the arena use chapters 1 and 32-49, old settings migrate; level tally counts the level's own coins and secrets

notes/llamamod-app.md

@@ -313,7 +313,9 @@ Decoded from FUN_0041c640 (load) / FUN_0041c820 (save); details in `save/Ksv.jav
 | 0xD0–0xD9 | options: effects volume, music volume, 0x80, speaker mode, 6 more option bytes |
 
 Chapters per world (table 0x572420): 4, 3, 4, 3, 3, 3, 5, 5, 49. World 9 has no row in the
-per-chapter arrays. The KSV files shipped on the CD are empty (0x00 then 0xCC). Selecting an empty
+per-chapter arrays. Its coin counter/flag byte for chapters 2–31 land on other globals (chapter 9 =
+furthest progress): mods use only chapters 1 and 32–49 (`save/TestLevelChapters`,
+[testlevel-chapters.md](testlevel-chapters.md)). The KSV files shipped on the CD are empty (0x00 then 0xCC). Selecting an empty
 slot and "new game" immediately writes a zeroed file.
 
 ## Tests done (2026-11-06)