First Commit

Upload literally everything from the pokecrystal16 expand-move-ID branch

engine/battle/move_effects/rapid_spin.asm

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+BattleCommand_ClearHazards:
+	ld a, BATTLE_VARS_SUBSTATUS4
+	call GetBattleVarAddr
+	bit SUBSTATUS_LEECH_SEED, [hl]
+	jr z, .not_leeched
+	res SUBSTATUS_LEECH_SEED, [hl]
+	ld hl, ShedLeechSeedText
+	call StdBattleTextbox
+.not_leeched
+
+	ld hl, wPlayerScreens
+	ld de, wPlayerWrapCount
+	ldh a, [hBattleTurn]
+	and a
+	jr z, .got_screens_wrap
+	ld hl, wEnemyScreens
+	ld de, wEnemyWrapCount
+.got_screens_wrap
+	bit SCREENS_SPIKES, [hl]
+	jr z, .no_spikes
+	res SCREENS_SPIKES, [hl]
+	ld hl, BlewSpikesText
+	push de
+	call StdBattleTextbox
+	pop de
+.no_spikes
+
+	ld a, [de]
+	and a
+	ret z
+	xor a
+	ld [de], a
+	ld hl, ReleasedByText
+	jp StdBattleTextbox