mountain 3 crash fix mod (keeps the boulder spawners alive, one word of t1l5m003), object palette test skips without a display

notes/mountain3-crash.md

@@ -142,3 +142,9 @@ boot-to-level + mtn3-diag on the German exe). This is only for the German exe; n
 > without an error message, and "every so often" around boulders. The likely triggers are the
 > one-shot boulders near the start/top of the slope and the two red-X push boulders. We'll
 > probably ship the fix in LlamaMod.
+
+## In LlamaMod
+
+The fix is the mod `mountain3-fix` (`mods/fixes/Mountain3FixMod`, Gameplay): it finds the unique pattern in
+`t1l5m003.wad` and replaces `pushShort 0` with `pushShort 0.5`; if the pattern is missing (other game
+version, file already changed) it leaves the file unchanged and says so in the apply log.