Use "battle_anims" and "sprite_anims" for clarity, not just "anims"

engine/battle/battlestart_copytilemapatonce.asm

@@ -0,0 +1,3 @@
+BattleStart_CopyTilemapAtOnce: ; 8cf4f
+	call CGBOnly_CopyTilemapAtOnce
+	ret

engine/battle/checkbattlescene.asm

@@ -0,0 +1,47 @@
+CheckBattleScene: ; 4ea44
+; Return carry if battle scene is turned off.
+
+	ld a, 0
+	ld hl, wLinkMode
+	call GetFarWRAMByte
+	cp LINK_MOBILE
+	jr z, .mobile
+
+	ld a, [Options]
+	bit BATTLE_SCENE, a
+	jr nz, .off
+
+	and a
+	ret
+
+.mobile
+	ld a, [wcd2f]
+	and a
+	jr nz, .from_wram
+
+	ld a, $4
+	call GetSRAMBank
+	ld a, [$a60c]
+	ld c, a
+	call CloseSRAM
+
+	ld a, c
+	bit 0, c
+	jr z, .off
+
+	and a
+	ret
+
+.from_wram
+	ld a, $5
+	ld hl, w5_dc00
+	call GetFarWRAMByte
+	bit 0, a
+	jr z, .off
+
+	and a
+	ret
+
+.off
+	scf
+	ret

engine/battle/consumehelditem.asm

@@ -0,0 +1,80 @@
+ConsumeHeldItem: ; 27192
+	push hl
+	push de
+	push bc
+	ld a, [hBattleTurn]
+	and a
+	ld hl, OTPartyMon1Item
+	ld de, EnemyMonItem
+	ld a, [CurOTMon]
+	jr z, .theirturn
+	ld hl, PartyMon1Item
+	ld de, BattleMonItem
+	ld a, [CurBattleMon]
+
+.theirturn
+	push hl
+	push af
+	ld a, [de]
+	ld b, a
+	farcall GetItemHeldEffect
+	ld hl, .ConsumableEffects
+.loop
+	ld a, [hli]
+	cp b
+	jr z, .ok
+	inc a
+	jr nz, .loop
+	pop af
+	pop hl
+	pop bc
+	pop de
+	pop hl
+	ret
+
+.ok
+	xor a
+	ld [de], a
+	pop af
+	pop hl
+	call GetPartyLocation
+	ld a, [hBattleTurn]
+	and a
+	jr nz, .ourturn
+	ld a, [wBattleMode]
+	dec a
+	jr z, .done
+
+.ourturn
+	ld [hl], $0
+
+.done
+	pop bc
+	pop de
+	pop hl
+	ret
+
+.ConsumableEffects: ; 271de
+; Consumable items?
+	db HELD_BERRY
+	db HELD_2
+	db HELD_5
+	db HELD_HEAL_POISON
+	db HELD_HEAL_FREEZE
+	db HELD_HEAL_BURN
+	db HELD_HEAL_SLEEP
+	db HELD_HEAL_PARALYZE
+	db HELD_HEAL_STATUS
+	db HELD_30
+	db HELD_ATTACK_UP
+	db HELD_DEFENSE_UP
+	db HELD_SPEED_UP
+	db HELD_SP_ATTACK_UP
+	db HELD_SP_DEFENSE_UP
+	db HELD_ACCURACY_UP
+	db HELD_EVASION_UP
+	db HELD_38
+	db HELD_71
+	db HELD_ESCAPE
+	db HELD_CRITICAL_UP
+	db -1

engine/battle/returntobattle_useball.asm

@@ -0,0 +1,19 @@
+_ReturnToBattle_UseBall: ; 2715c
+	call ClearBGPalettes
+	call ClearTileMap
+	ld a, [BattleType]
+	cp BATTLETYPE_TUTORIAL
+	jr z, .gettutorialbackpic
+	farcall GetBattleMonBackpic
+	jr .continue
+
+.gettutorialbackpic
+	farcall GetTrainerBackpic
+.continue
+	farcall GetEnemyMonFrontpic
+	farcall _LoadBattleFontsHPBar
+	call GetMemSGBLayout
+	call CloseWindow
+	call LoadStandardMenuDataHeader
+	call WaitBGMap
+	jp SetPalettes

engine/battle/updatebattlehuds.asm

@@ -0,0 +1,9 @@
+_UpdateBattleHUDs:
+	farcall DrawPlayerHUD
+	ld hl, PlayerHPPal
+	call SetHPPal
+	farcall DrawEnemyHUD
+	ld hl, EnemyHPPal
+	call SetHPPal
+	farcall FinishBattleAnim
+	ret