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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/bugs_and_glitches.md | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/docs/bugs_and_glitches.md b/docs/bugs_and_glitches.md index 980c75e62..59f3e7000 100644 --- a/docs/bugs_and_glitches.md +++ b/docs/bugs_and_glitches.md @@ -48,6 +48,7 @@ These are known bugs and glitches in the original Pokémon Crystal game: code th - [Using a Park Ball in normal battles has a corrupt animation](#using-a-park-ball-in-normal-battles-has-a-corrupt-animation) - [`HELD_CATCH_CHANCE` has no effect](#held_catch_chance-has-no-effect) - [Only the first three `EvosAttacks` evolution entries can have Stone compatibility reported correctly](#only-the-first-three-evosattacks-evolution-entries-can-have-stone-compatibility-reported-correctly) +- [`EVOLVE_STAT` can break Stone compatibility reporting](#evolve_stat-can-break-stone-compatibility-reporting) - [`ScriptCall` can overflow `wScriptStack` and crash](#scriptcall-can-overflow-wscriptstack-and-crash) - [`LoadSpriteGFX` does not limit the capacity of `UsedSprites`](#loadspritegfx-does-not-limit-the-capacity-of-usedsprites) - [`ChooseWildEncounter` doesn't really validate the wild Pokémon species](#choosewildencounter-doesnt-really-validate-the-wild-pokémon-species) @@ -1299,6 +1300,39 @@ This is a bug with `PlacePartyMonEvoStoneCompatibility.DetermineCompatibility` i **Fix:** Change `ld bc, 10` to `ld bc, wStringBuffer2 - wStringBuffer1` to support up to six Stone entries. +## `EVOLVE_STAT` can break Stone compatibility reporting + +This is a bug with `PlacePartyMonEvoStoneCompatibility.DetermineCompatibility` in [engine/party_menu.asm](/engine/party_menu.asm): + +```asm +.loop2 + ld a, [hli] + and a + jr z, .nope + inc hl + inc hl + cp EVOLVE_ITEM + jr nz, .loop2 +``` + +**Fix:** + +```asm +.loop2 + ld a, [hli] + and a + jr z, .nope + cp EVOLVE_STAT + jr nz, .not_four_bytes + inc hl +.not_four_bytes + inc hl + inc hl + cp EVOLVE_ITEM + jr nz, .loop2 +``` + + ## `ScriptCall` can overflow `wScriptStack` and crash In [engine/scripting.asm](/engine/scripting.asm): |