11 files changed, 5432 insertions, 5432 deletions
diff --git a/src/engine/ai/attacks.asm b/src/engine/ai/attacks.asm
index 9f93c33..3b331a6 100644
--- a/src/engine/ai/attacks.asm
+++ b/src/engine/ai/attacks.asm
@@ -1,721 +1,721 @@
-; have AI choose an attack to use, but do not execute it.
-; return carry if an attack is chosen.
-AIProcessButDontUseAttack: ; 169ca (5:69ca)
-	ld a, $01
-	ld [wAIExecuteProcessedAttack], a
-
-; backup wPlayAreaAIScore in wTempPlayAreaAIScore.
-	ld de, wTempPlayAreaAIScore
-	ld hl, wPlayAreaAIScore
-	ld b, MAX_PLAY_AREA_POKEMON
-.loop
-	ld a, [hli]
-	ld [de], a
-	inc de
-	dec b
-	jr nz, .loop
-
-; copies wAIScore to wTempAIScore
-	ld a, [wAIScore]
-	ld [de], a
-	jr AIProcessAttacks
-
-; copies wTempPlayAreaAIScore to wPlayAreaAIScore
-; and loads wAIScore with value in wTempAIScore.
-; identical to RetrievePlayAreaAIScoreFromBackup1.
-RetrievePlayAreaAIScoreFromBackup2: ; 169e3 (5:69e3)
-	push af
-	ld de, wPlayAreaAIScore
-	ld hl, wTempPlayAreaAIScore
-	ld b, MAX_PLAY_AREA_POKEMON
-.loop
-	ld a, [hli]
-	ld [de], a
-	inc de
-	dec b
-	jr nz, .loop
-
-	ld a, [hl]
-	ld [wAIScore], a
-	pop af
-	ret
-
-; have AI choose and execute an attack.
-; return carry if an attack was chosen and attempted.
-AIProcessAndTryToUseAttack: ; 169f8 (5:69f8)
-	xor a
-	ld [wAIExecuteProcessedAttack], a
-	; fallthrough
-
-; checks which of the Active card's attacks for AI to use.
-; If any of the attacks has enough AI score to be used,
-; AI will use it if wAIExecuteProcessedAttack is 0.
-; in either case, return carry if an attack is chosen to be used.
-AIProcessAttacks: ; 169fc (5:69fc)
-; if AI used Pluspower, load its attack index
-	ld a, [wPreviousAIFlags]
-	and AI_FLAG_USED_PLUSPOWER
-	jr z, .no_pluspower
-	ld a, [wAIPluspowerAttack]
-	ld [wSelectedAttack], a
-	jr .attack_chosen
-
-.no_pluspower
-; if Player is running Mewtwo1 mill deck,
-; skip attack if Barrier counter is 0.
-	ld a, [wAIBarrierFlagCounter]
-	cp AI_MEWTWO_MILL + 0
-	jp z, .dont_attack
-
-; determine AI score of both attacks.
-	xor a ; FIRST_ATTACK_OR_PKMN_POWER
-	call GetAIScoreOfAttack
-	ld a, [wAIScore]
-	ld [wFirstAttackAIScore], a
-	ld a, SECOND_ATTACK
-	call GetAIScoreOfAttack
-
-; compare both attack scores
-	ld c, SECOND_ATTACK
-	ld a, [wFirstAttackAIScore]
-	ld b, a
-	ld a, [wAIScore]
-	cp b
-	jr nc, .check_score
-	; first attack has higher score
-	dec c
-	ld a, b
-
-; c holds the attack index chosen by AI,
-; and a holds its AI score.
-; first check if chosen attack has at least minimum score.
-; then check if first attack is better than second attack
-; in case the second one was chosen.
-.check_score
-	cp $50 ; minimum score to use attack
-	jr c, .dont_attack
-	; enough score, proceed
-
-	ld a, c
-	ld [wSelectedAttack], a
-	or a
-	jr z, .attack_chosen
-	call CheckWhetherToSwitchToFirstAttack
-
-.attack_chosen
-; check whether to execute the attack chosen
-	ld a, [wAIExecuteProcessedAttack]
-	or a
-	jr z, .execute
-
-; set carry and reset Play Area AI score
-; to the previous values.
-	scf
-	jp RetrievePlayAreaAIScoreFromBackup2
-
-.execute
-	ld a, AI_TRAINER_CARD_PHASE_14
-	call AIProcessHandTrainerCards
-
-; load this attack's damage output against
-; the current Defending Pokemon.
-	xor a ; PLAY_AREA_ARENA
-	ldh [hTempPlayAreaLocation_ff9d], a
-	ld a, [wSelectedAttack]
-	call EstimateDamage_VersusDefendingCard
-	ld a, [wDamage]
-
-	or a
-	jr z, .check_damage_bench
-	; if damage is not 0, fallthrough
-
-.can_damage
-	xor a
-	ld [wcdb4], a
-	jr .use_attack
-
-.check_damage_bench
-; check if it can otherwise damage player's bench
-	ld a, ATTACK_FLAG1_ADDRESS | DAMAGE_TO_OPPONENT_BENCH_F
-	call CheckLoadedAttackFlag
-	jr c, .can_damage
-
-; cannot damage either Defending Pokemon or Bench
-	ld hl, wcdb4
-	inc [hl]
-
-; return carry if attack is chosen
-; and AI tries to use it.
-.use_attack
-	ld a, $01
-	ld [wcddb], a
-	call AITryUseAttack
-	scf
-	ret
-
-.dont_attack
-	ld a, [wAIExecuteProcessedAttack]
-	or a
-	jr z, .failed_to_use
-
-; reset Play Area AI score
-; to the previous values.
-	jp RetrievePlayAreaAIScoreFromBackup2
-
-; return no carry if no viable attack.
-.failed_to_use
-	ld hl, wcdb4
-	inc [hl]
-	or a
-	ret
-
-; determines the AI score of attack index in a
-; of card in Play Area location hTempPlayAreaLocation_ff9d.
-GetAIScoreOfAttack: ; 16a86 (5:6a86)
-; initialize AI score.
-	ld [wSelectedAttack], a
-	ld a, $50
-	ld [wAIScore], a
-
-	xor a
-	ldh [hTempPlayAreaLocation_ff9d], a
-	call CheckIfSelectedAttackIsUnusable
-	jr nc, .usable
-
-; return zero AI score.
-.unusable
-	xor a
-	ld [wAIScore], a
-	jp .done
-
-; load arena card IDs
-.usable
-	xor a
-	ld [wAICannotDamage], a
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call GetCardIDFromDeckIndex
-	ld a, e
-	ld [wTempTurnDuelistCardID], a
-	call SwapTurn
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call GetCardIDFromDeckIndex
-	ld a, e
-	ld [wTempNonTurnDuelistCardID], a
-
-; handle the case where the player has No Damage substatus.
-; in the case the player does, check if this attack
-; has a residual effect, or if it can damage the opposing bench.
-; If none of those are true, render the attack unusable.
-; also if it's a PKMN power, consider it unusable as well.
-	bank1call HandleNoDamageOrEffectSubstatus
-	call SwapTurn
-	jr nc, .check_if_can_ko
-
-	; player is under No Damage substatus
-	ld a, $01
-	ld [wAICannotDamage], a
-	ld a, [wSelectedAttack]
-	call EstimateDamage_VersusDefendingCard
-	ld a, [wLoadedAttackCategory]
-	cp POKEMON_POWER
-	jr z, .unusable
-	and RESIDUAL
-	jr nz, .check_if_can_ko
-	ld a, ATTACK_FLAG1_ADDRESS | DAMAGE_TO_OPPONENT_BENCH_F
-	call CheckLoadedAttackFlag
-	jr nc, .unusable
-
-; calculate damage to player to check if attack can KO.
-; encourage attack if it's able to KO.
-.check_if_can_ko
-	ld a, [wSelectedAttack]
-	call EstimateDamage_VersusDefendingCard
-	ld a, DUELVARS_ARENA_CARD_HP
-	call GetNonTurnDuelistVariable
-	ld hl, wDamage
-	sub [hl]
-	jr c, .can_ko
-	jr z, .can_ko
-	jr .check_damage
-.can_ko
-	ld a, 20
-	call AddToAIScore
-
-; raise AI score by the number of damage counters that this attack deals.
-; if no damage is dealt, subtract AI score. in case wDamage is zero
-; but wMaxDamage is not, then encourage attack afterwards.
-; otherwise, if wMaxDamage is also zero, check for damage against
-; player's bench, and encourage attack in case there is.
-.check_damage
-	xor a
-	ld [wAIAttackIsNonDamaging], a
-	ld a, [wDamage]
-	ld [wTempAI], a
-	or a
-	jr z, .no_damage
-	call CalculateByteTensDigit
-	call AddToAIScore
-	jr .check_recoil
-.no_damage
-	ld a, $01
-	ld [wAIAttackIsNonDamaging], a
-	call SubFromAIScore
-	ld a, [wAIMaxDamage]
-	or a
-	jr z, .no_max_damage
-	ld a, 2
-	call AddToAIScore
-	xor a
-	ld [wAIAttackIsNonDamaging], a
-.no_max_damage
-	ld a, ATTACK_FLAG1_ADDRESS | DAMAGE_TO_OPPONENT_BENCH_F
-	call CheckLoadedAttackFlag
-	jr nc, .check_recoil
-	ld a, 2
-	call AddToAIScore
-
-; handle recoil attacks (low and high recoil).
-.check_recoil
-	ld a, ATTACK_FLAG1_ADDRESS | LOW_RECOIL_F
-	call CheckLoadedAttackFlag
-	jr c, .is_recoil
-	ld a, ATTACK_FLAG1_ADDRESS | HIGH_RECOIL_F
-	call CheckLoadedAttackFlag
-	jp nc, .check_defending_can_ko
-.is_recoil
-	; sub from AI score number of damage counters
-	; that attack deals to itself.
-	ld a, [wLoadedAttackEffectParam]
-	or a
-	jp z, .check_defending_can_ko
-	ld [wDamage], a
-	call ApplyDamageModifiers_DamageToSelf
-	ld a, e
-	call CalculateByteTensDigit
-	call SubFromAIScore
-
-	push de
-	ld a, ATTACK_FLAG1_ADDRESS | HIGH_RECOIL_F
-	call CheckLoadedAttackFlag
-	pop de
-	jr c, .high_recoil
-
-	; if LOW_RECOIL KOs self, decrease AI score
-	ld a, DUELVARS_ARENA_CARD_HP
-	call GetTurnDuelistVariable
-	cp e
-	jr c, .kos_self
-	jp nz, .check_defending_can_ko
-.kos_self
-	ld a, 10
-	call SubFromAIScore
-
-.high_recoil
-	; dismiss this attack if no benched Pokémon
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	cp 2
-	jr c, .dismiss_high_recoil_atk
-	; has benched Pokémon
-
-; here the AI handles high recoil attacks differently
-; depending on what deck it's playing.
-	ld a, [wOpponentDeckID]
-	cp ROCK_CRUSHER_DECK_ID
-	jr z, .rock_crusher_deck
-	cp ZAPPING_SELFDESTRUCT_DECK_ID
-	jr z, .zapping_selfdestruct_deck
-	cp BOOM_BOOM_SELFDESTRUCT_DECK_ID
-	jr z, .encourage_high_recoil_atk
-	; Boom Boom Selfdestruct deck always encourages
-	cp POWER_GENERATOR_DECK_ID
-	jr nz, .high_recoil_generic_checks
-	; Power Generator deck always dismisses
-
-.dismiss_high_recoil_atk
-	xor a
-	ld [wAIScore], a
-	jp .done
-
-.encourage_high_recoil_atk
-	ld a, 20
-	call AddToAIScore
-	jp .done
-
-; Zapping Selfdestruct deck only uses this attack
-; if number of cards in deck >= 30 and
-; HP of active card is < half max HP.
-.zapping_selfdestruct_deck
-	ld a, DUELVARS_NUMBER_OF_CARDS_NOT_IN_DECK
-	call GetTurnDuelistVariable
-	cp 31
-	jr nc, .high_recoil_generic_checks
-	ld e, PLAY_AREA_ARENA
-	call GetCardDamageAndMaxHP
-	sla a
-	cp c
-	jr c, .high_recoil_generic_checks
-	ld b, 0
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call GetCardIDFromDeckIndex
-	ld a, e
-	cp MAGNEMITE1
-	jr z, .magnemite1
-	ld b, 10 ; bench damage
-.magnemite1
-	ld a, 10
-	add b
-	ld b, a ; 20 bench damage if not Magnemite1
-
-; if this attack causes player to win the duel by
-; knocking out own Pokémon, dismiss attack.
-	ld a, 1 ; count active Pokémon as KO'd
-	call .check_if_kos_bench
-	jr c, .dismiss_high_recoil_atk
-	jr .encourage_high_recoil_atk
-
-; Rock Crusher Deck only uses this attack if
-; prize count is below 4 and attack wins (or potentially draws) the duel,
-; (i.e. at least gets KOs equal to prize cards left).
-.rock_crusher_deck
-	call CountPrizes
-	cp 4
-	jr nc, .dismiss_high_recoil_atk
-	; prize count < 4
-	ld b, 20 ; damage dealt to bench
-	call SwapTurn
-	xor a
-	call .check_if_kos_bench
-	call SwapTurn
-	jr c, .encourage_high_recoil_atk
-
-; generic checks for all other deck IDs.
-; encourage attack if it wins (or potentially draws) the duel,
-; (i.e. at least gets KOs equal to prize cards left).
-; dismiss it if it causes the player to win.
-.high_recoil_generic_checks
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call GetCardIDFromDeckIndex
-	ld a, e
-	cp CHANSEY
-	jr z, .chansey
-	cp MAGNEMITE1
-	jr z, .magnemite1_or_weezing
-	cp WEEZING
-	jr z, .magnemite1_or_weezing
-	ld b, 20 ; bench damage
-	jr .check_bench_kos
-.magnemite1_or_weezing
-	ld b, 10 ; bench damage
-	jr .check_bench_kos
-.chansey
-	ld b, 0 ; no bench damage
-
-.check_bench_kos
-	push bc
-	call SwapTurn
-	xor a
-	call .check_if_kos_bench
-	call SwapTurn
-	pop bc
-	jr c, .wins_the_duel
-	push de
-	ld a, 1
-	call .check_if_kos_bench
-	pop bc
-	jr nc, .count_own_ko_bench
-
-; attack causes player to draw all prize cards
-	xor a
-	ld [wAIScore], a
-	jp .done
-
-; attack causes CPU to draw all prize cards
-.wins_the_duel
-	ld a, 20
-	call AddToAIScore
-	jp .done
-
-; subtract from AI score number of own benched Pokémon KO'd
-.count_own_ko_bench
-	push bc
-	ld a, d
-	or a
-	jr z, .count_player_ko_bench
-	dec a
-	call SubFromAIScore
-
-; add to AI score number of player benched Pokémon KO'd
-.count_player_ko_bench
-	pop bc
-	ld a, b
-	call AddToAIScore
-	jr .check_defending_can_ko
-
-; local function that gets called to determine damage to
-; benched Pokémon caused by a HIGH_RECOIL attack.
-; return carry if using attack causes number of benched Pokémon KOs
-; equal to or larger than remaining prize cards.
-; this function is independent on duelist turn, so whatever
-; turn it is when this is called, it's that duelist's
-; bench/prize cards that get checked.
-; input:
-;	a = initial number of KO's beside benched Pokémon,
-;		so that if the active Pokémon is KO'd by the attack,
-;		this counts towards the prize cards collected
-;	b = damage dealt to bench Pokémon
-.check_if_kos_bench
-	ld d, a
-	ld a, DUELVARS_BENCH
-	call GetTurnDuelistVariable
-	ld e, PLAY_AREA_ARENA
-.loop
-	inc e
-	ld a, [hli]
-	cp $ff
-	jr z, .exit_loop
-	ld a, e
-	add DUELVARS_ARENA_CARD_HP
-	push hl
-	call GetTurnDuelistVariable
-	pop hl
-	cp b
-	jr z, .increase_count
-	jr nc, .loop
-.increase_count
-	; increase d if damage dealt KOs
-	inc d
-	jr .loop
-.exit_loop
-	push de
-	call SwapTurn
-	call CountPrizes
-	call SwapTurn
-	pop de
-	cp d
-	jp c, .set_carry
-	jp z, .set_carry
-	or a
-	ret
-.set_carry
-	scf
-	ret
-
-; if defending card can KO, encourage attack
-; unless attack is non-damaging.
-.check_defending_can_ko
-	ld a, [wSelectedAttack]
-	push af
-	call CheckIfDefendingPokemonCanKnockOut
-	pop bc
-	ld a, b
-	ld [wSelectedAttack], a
-	jr nc, .check_discard
-	ld a, 5
-	call AddToAIScore
-	ld a, [wAIAttackIsNonDamaging]
-	or a
-	jr z, .check_discard
-	ld a, 5
-	call SubFromAIScore
-
-; subtract from AI score if this attack requires
-; discarding any energy cards.
-.check_discard
-	ld a, [wSelectedAttack]
-	ld e, a
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	ld d, a
-	call CopyAttackDataAndDamage_FromDeckIndex
-	ld a, ATTACK_FLAG2_ADDRESS | DISCARD_ENERGY_F
-	call CheckLoadedAttackFlag
-	jr nc, .asm_16ca6
-	ld a, 1
-	call SubFromAIScore
-	ld a, [wLoadedAttackEffectParam]
-	call SubFromAIScore
-
-.asm_16ca6
-	ld a, ATTACK_FLAG2_ADDRESS | FLAG_2_BIT_6_F
-	call CheckLoadedAttackFlag
-	jr nc, .check_nullify_flag
-	ld a, [wLoadedAttackEffectParam]
-	call AddToAIScore
-
-; encourage attack if it has a nullify or weaken attack effect.
-.check_nullify_flag
-	ld a, ATTACK_FLAG2_ADDRESS | NULLIFY_OR_WEAKEN_ATTACK_F
-	call CheckLoadedAttackFlag
-	jr nc, .check_draw_flag
-	ld a, 1
-	call AddToAIScore
-
-; encourage attack if it has an effect to draw a card.
-.check_draw_flag
-	ld a, ATTACK_FLAG1_ADDRESS | DRAW_CARD_F
-	call CheckLoadedAttackFlag
-	jr nc, .check_heal_flag
-	ld a, 1
-	call AddToAIScore
-
-.check_heal_flag
-	ld a, ATTACK_FLAG2_ADDRESS | HEAL_USER_F
-	call CheckLoadedAttackFlag
-	jr nc, .check_status_effect
-	ld a, [wLoadedAttackEffectParam]
-	cp 1
-	jr z, .tally_heal_score
-	ld a, [wTempAI]
-	call CalculateByteTensDigit
-	ld b, a
-	ld a, [wLoadedAttackEffectParam]
-	cp 3
-	jr z, .asm_16cec
-	srl b
-	jr nc, .asm_16cec
-	inc b
-.asm_16cec
-	ld a, DUELVARS_ARENA_CARD_HP
-	call GetTurnDuelistVariable
-	call CalculateByteTensDigit
-	cp b
-	jr c, .tally_heal_score
-	ld a, b
-.tally_heal_score
-	push af
-	ld e, PLAY_AREA_ARENA
-	call GetCardDamageAndMaxHP
-	call CalculateByteTensDigit
-	pop bc
-	cp b ; wLoadedAttackEffectParam
-	jr c, .add_heal_score
-	ld a, b
-.add_heal_score
-	call AddToAIScore
-
-.check_status_effect
-	ld a, DUELVARS_ARENA_CARD
-	call GetNonTurnDuelistVariable
-	call SwapTurn
-	call GetCardIDFromDeckIndex
-	call SwapTurn
-	ld a, e
-	; skip if player has Snorlax
-	cp SNORLAX
-	jp z, .handle_special_atks
-
-	ld a, DUELVARS_ARENA_CARD_STATUS
-	call GetNonTurnDuelistVariable
-	ld [wTempAI], a
-
-; encourage a poison inflicting attack if opposing Pokémon
-; isn't (doubly) poisoned already.
-; if opposing Pokémon is only poisoned and not double poisoned,
-; and this attack has FLAG_2_BIT_6 set, discourage it
-; (possibly to make Nidoking's Toxic attack less likely to be chosen
-; if the other Pokémon is poisoned.)
-	ld a, ATTACK_FLAG1_ADDRESS | INFLICT_POISON_F
-	call CheckLoadedAttackFlag
-	jr nc, .check_sleep
-	ld a, [wTempAI]
-	and DOUBLE_POISONED
-	jr z, .add_poison_score
-	and $40 ; only double poisoned?
-	jr z, .check_sleep
-	ld a, ATTACK_FLAG2_ADDRESS | FLAG_2_BIT_6_F
-	call CheckLoadedAttackFlag
-	jr nc, .check_sleep
-	ld a, 2
-	call SubFromAIScore
-	jr .check_sleep
-.add_poison_score
-	ld a, 2
-	call AddToAIScore
-
-; encourage sleep-inducing attack if other Pokémon isn't asleep.
-.check_sleep
-	ld a, ATTACK_FLAG1_ADDRESS | INFLICT_SLEEP_F
-	call CheckLoadedAttackFlag
-	jr nc, .check_paralysis
-	ld a, [wTempAI]
-	and CNF_SLP_PRZ
-	cp ASLEEP
-	jr z, .check_paralysis
-	ld a, 1
-	call AddToAIScore
-
-; encourage paralysis-inducing attack if other Pokémon isn't asleep.
-; otherwise, if other Pokémon is asleep, discourage attack.
-.check_paralysis
-	ld a, ATTACK_FLAG1_ADDRESS | INFLICT_PARALYSIS_F
-	call CheckLoadedAttackFlag
-	jr nc, .check_confusion
-	ld a, [wTempAI]
-	and CNF_SLP_PRZ
-	cp ASLEEP
-	jr z, .sub_prz_score
-	ld a, 1
-	call AddToAIScore
-	jr .check_confusion
-.sub_prz_score
-	ld a, 1
-	call SubFromAIScore
-
-; encourage confuse-inducing attack if other Pokémon isn't asleep
-; or confused already.
-; otherwise, if other Pokémon is asleep or confused,
-; discourage attack instead.
-.check_confusion
-	ld a, ATTACK_FLAG1_ADDRESS | INFLICT_CONFUSION_F
-	call CheckLoadedAttackFlag
-	jr nc, .check_if_confused
-	ld a, [wTempAI]
-	and CNF_SLP_PRZ
-	cp ASLEEP
-	jr z, .sub_cnf_score
-	ld a, [wTempAI]
-	and CNF_SLP_PRZ
-	cp CONFUSED
-	jr z, .check_if_confused
-	ld a, 1
-	call AddToAIScore
-	jr .check_if_confused
-.sub_cnf_score
-	ld a, 1
-	call SubFromAIScore
-
-; if this Pokémon is confused, subtract from score.
-.check_if_confused
-	ld a, DUELVARS_ARENA_CARD_STATUS
-	call GetTurnDuelistVariable
-	and CNF_SLP_PRZ
-	cp CONFUSED
-	jr nz, .handle_special_atks
-	ld a, 1
-	call SubFromAIScore
-
-; SPECIAL_AI_HANDLING marks attacks that the AI handles individually.
-; each attack has its own checks and modifies AI score accordingly.
-.handle_special_atks
-	ld a, ATTACK_FLAG3_ADDRESS | SPECIAL_AI_HANDLING_F
-	call CheckLoadedAttackFlag
-	jr nc, .done
-	call HandleSpecialAIAttacks
-	cp $80
-	jr c, .negative_score
-	sub $80
-	call AddToAIScore
-	jr .done
-.negative_score
-	ld b, a
-	ld a, $80
-	sub b
-	call SubFromAIScore
-
-.done
-	ret
+; have AI choose an attack to use, but do not execute it.
+; return carry if an attack is chosen.
+AIProcessButDontUseAttack: ; 169ca (5:69ca)
+	ld a, $01
+	ld [wAIExecuteProcessedAttack], a
+
+; backup wPlayAreaAIScore in wTempPlayAreaAIScore.
+	ld de, wTempPlayAreaAIScore
+	ld hl, wPlayAreaAIScore
+	ld b, MAX_PLAY_AREA_POKEMON
+.loop
+	ld a, [hli]
+	ld [de], a
+	inc de
+	dec b
+	jr nz, .loop
+
+; copies wAIScore to wTempAIScore
+	ld a, [wAIScore]
+	ld [de], a
+	jr AIProcessAttacks
+
+; copies wTempPlayAreaAIScore to wPlayAreaAIScore
+; and loads wAIScore with value in wTempAIScore.
+; identical to RetrievePlayAreaAIScoreFromBackup1.
+RetrievePlayAreaAIScoreFromBackup2: ; 169e3 (5:69e3)
+	push af
+	ld de, wPlayAreaAIScore
+	ld hl, wTempPlayAreaAIScore
+	ld b, MAX_PLAY_AREA_POKEMON
+.loop
+	ld a, [hli]
+	ld [de], a
+	inc de
+	dec b
+	jr nz, .loop
+
+	ld a, [hl]
+	ld [wAIScore], a
+	pop af
+	ret
+
+; have AI choose and execute an attack.
+; return carry if an attack was chosen and attempted.
+AIProcessAndTryToUseAttack: ; 169f8 (5:69f8)
+	xor a
+	ld [wAIExecuteProcessedAttack], a
+	; fallthrough
+
+; checks which of the Active card's attacks for AI to use.
+; If any of the attacks has enough AI score to be used,
+; AI will use it if wAIExecuteProcessedAttack is 0.
+; in either case, return carry if an attack is chosen to be used.
+AIProcessAttacks: ; 169fc (5:69fc)
+; if AI used Pluspower, load its attack index
+	ld a, [wPreviousAIFlags]
+	and AI_FLAG_USED_PLUSPOWER
+	jr z, .no_pluspower
+	ld a, [wAIPluspowerAttack]
+	ld [wSelectedAttack], a
+	jr .attack_chosen
+
+.no_pluspower
+; if Player is running Mewtwo1 mill deck,
+; skip attack if Barrier counter is 0.
+	ld a, [wAIBarrierFlagCounter]
+	cp AI_MEWTWO_MILL + 0
+	jp z, .dont_attack
+
+; determine AI score of both attacks.
+	xor a ; FIRST_ATTACK_OR_PKMN_POWER
+	call GetAIScoreOfAttack
+	ld a, [wAIScore]
+	ld [wFirstAttackAIScore], a
+	ld a, SECOND_ATTACK
+	call GetAIScoreOfAttack
+
+; compare both attack scores
+	ld c, SECOND_ATTACK
+	ld a, [wFirstAttackAIScore]
+	ld b, a
+	ld a, [wAIScore]
+	cp b
+	jr nc, .check_score
+	; first attack has higher score
+	dec c
+	ld a, b
+
+; c holds the attack index chosen by AI,
+; and a holds its AI score.
+; first check if chosen attack has at least minimum score.
+; then check if first attack is better than second attack
+; in case the second one was chosen.
+.check_score
+	cp $50 ; minimum score to use attack
+	jr c, .dont_attack
+	; enough score, proceed
+
+	ld a, c
+	ld [wSelectedAttack], a
+	or a
+	jr z, .attack_chosen
+	call CheckWhetherToSwitchToFirstAttack
+
+.attack_chosen
+; check whether to execute the attack chosen
+	ld a, [wAIExecuteProcessedAttack]
+	or a
+	jr z, .execute
+
+; set carry and reset Play Area AI score
+; to the previous values.
+	scf
+	jp RetrievePlayAreaAIScoreFromBackup2
+
+.execute
+	ld a, AI_TRAINER_CARD_PHASE_14
+	call AIProcessHandTrainerCards
+
+; load this attack's damage output against
+; the current Defending Pokemon.
+	xor a ; PLAY_AREA_ARENA
+	ldh [hTempPlayAreaLocation_ff9d], a
+	ld a, [wSelectedAttack]
+	call EstimateDamage_VersusDefendingCard
+	ld a, [wDamage]
+
+	or a
+	jr z, .check_damage_bench
+	; if damage is not 0, fallthrough
+
+.can_damage
+	xor a
+	ld [wcdb4], a
+	jr .use_attack
+
+.check_damage_bench
+; check if it can otherwise damage player's bench
+	ld a, ATTACK_FLAG1_ADDRESS | DAMAGE_TO_OPPONENT_BENCH_F
+	call CheckLoadedAttackFlag
+	jr c, .can_damage
+
+; cannot damage either Defending Pokemon or Bench
+	ld hl, wcdb4
+	inc [hl]
+
+; return carry if attack is chosen
+; and AI tries to use it.
+.use_attack
+	ld a, $01
+	ld [wcddb], a
+	call AITryUseAttack
+	scf
+	ret
+
+.dont_attack
+	ld a, [wAIExecuteProcessedAttack]
+	or a
+	jr z, .failed_to_use
+
+; reset Play Area AI score
+; to the previous values.
+	jp RetrievePlayAreaAIScoreFromBackup2
+
+; return no carry if no viable attack.
+.failed_to_use
+	ld hl, wcdb4
+	inc [hl]
+	or a
+	ret
+
+; determines the AI score of attack index in a
+; of card in Play Area location hTempPlayAreaLocation_ff9d.
+GetAIScoreOfAttack: ; 16a86 (5:6a86)
+; initialize AI score.
+	ld [wSelectedAttack], a
+	ld a, $50
+	ld [wAIScore], a
+
+	xor a
+	ldh [hTempPlayAreaLocation_ff9d], a
+	call CheckIfSelectedAttackIsUnusable
+	jr nc, .usable
+
+; return zero AI score.
+.unusable
+	xor a
+	ld [wAIScore], a
+	jp .done
+
+; load arena card IDs
+.usable
+	xor a
+	ld [wAICannotDamage], a
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call GetCardIDFromDeckIndex
+	ld a, e
+	ld [wTempTurnDuelistCardID], a
+	call SwapTurn
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call GetCardIDFromDeckIndex
+	ld a, e
+	ld [wTempNonTurnDuelistCardID], a
+
+; handle the case where the player has No Damage substatus.
+; in the case the player does, check if this attack
+; has a residual effect, or if it can damage the opposing bench.
+; If none of those are true, render the attack unusable.
+; also if it's a PKMN power, consider it unusable as well.
+	bank1call HandleNoDamageOrEffectSubstatus
+	call SwapTurn
+	jr nc, .check_if_can_ko
+
+	; player is under No Damage substatus
+	ld a, $01
+	ld [wAICannotDamage], a
+	ld a, [wSelectedAttack]
+	call EstimateDamage_VersusDefendingCard
+	ld a, [wLoadedAttackCategory]
+	cp POKEMON_POWER
+	jr z, .unusable
+	and RESIDUAL
+	jr nz, .check_if_can_ko
+	ld a, ATTACK_FLAG1_ADDRESS | DAMAGE_TO_OPPONENT_BENCH_F
+	call CheckLoadedAttackFlag
+	jr nc, .unusable
+
+; calculate damage to player to check if attack can KO.
+; encourage attack if it's able to KO.
+.check_if_can_ko
+	ld a, [wSelectedAttack]
+	call EstimateDamage_VersusDefendingCard
+	ld a, DUELVARS_ARENA_CARD_HP
+	call GetNonTurnDuelistVariable
+	ld hl, wDamage
+	sub [hl]
+	jr c, .can_ko
+	jr z, .can_ko
+	jr .check_damage
+.can_ko
+	ld a, 20
+	call AddToAIScore
+
+; raise AI score by the number of damage counters that this attack deals.
+; if no damage is dealt, subtract AI score. in case wDamage is zero
+; but wMaxDamage is not, then encourage attack afterwards.
+; otherwise, if wMaxDamage is also zero, check for damage against
+; player's bench, and encourage attack in case there is.
+.check_damage
+	xor a
+	ld [wAIAttackIsNonDamaging], a
+	ld a, [wDamage]
+	ld [wTempAI], a
+	or a
+	jr z, .no_damage
+	call CalculateByteTensDigit
+	call AddToAIScore
+	jr .check_recoil
+.no_damage
+	ld a, $01
+	ld [wAIAttackIsNonDamaging], a
+	call SubFromAIScore
+	ld a, [wAIMaxDamage]
+	or a
+	jr z, .no_max_damage
+	ld a, 2
+	call AddToAIScore
+	xor a
+	ld [wAIAttackIsNonDamaging], a
+.no_max_damage
+	ld a, ATTACK_FLAG1_ADDRESS | DAMAGE_TO_OPPONENT_BENCH_F
+	call CheckLoadedAttackFlag
+	jr nc, .check_recoil
+	ld a, 2
+	call AddToAIScore
+
+; handle recoil attacks (low and high recoil).
+.check_recoil
+	ld a, ATTACK_FLAG1_ADDRESS | LOW_RECOIL_F
+	call CheckLoadedAttackFlag
+	jr c, .is_recoil
+	ld a, ATTACK_FLAG1_ADDRESS | HIGH_RECOIL_F
+	call CheckLoadedAttackFlag
+	jp nc, .check_defending_can_ko
+.is_recoil
+	; sub from AI score number of damage counters
+	; that attack deals to itself.
+	ld a, [wLoadedAttackEffectParam]
+	or a
+	jp z, .check_defending_can_ko
+	ld [wDamage], a
+	call ApplyDamageModifiers_DamageToSelf
+	ld a, e
+	call CalculateByteTensDigit
+	call SubFromAIScore
+
+	push de
+	ld a, ATTACK_FLAG1_ADDRESS | HIGH_RECOIL_F
+	call CheckLoadedAttackFlag
+	pop de
+	jr c, .high_recoil
+
+	; if LOW_RECOIL KOs self, decrease AI score
+	ld a, DUELVARS_ARENA_CARD_HP
+	call GetTurnDuelistVariable
+	cp e
+	jr c, .kos_self
+	jp nz, .check_defending_can_ko
+.kos_self
+	ld a, 10
+	call SubFromAIScore
+
+.high_recoil
+	; dismiss this attack if no benched Pokémon
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	cp 2
+	jr c, .dismiss_high_recoil_atk
+	; has benched Pokémon
+
+; here the AI handles high recoil attacks differently
+; depending on what deck it's playing.
+	ld a, [wOpponentDeckID]
+	cp ROCK_CRUSHER_DECK_ID
+	jr z, .rock_crusher_deck
+	cp ZAPPING_SELFDESTRUCT_DECK_ID
+	jr z, .zapping_selfdestruct_deck
+	cp BOOM_BOOM_SELFDESTRUCT_DECK_ID
+	jr z, .encourage_high_recoil_atk
+	; Boom Boom Selfdestruct deck always encourages
+	cp POWER_GENERATOR_DECK_ID
+	jr nz, .high_recoil_generic_checks
+	; Power Generator deck always dismisses
+
+.dismiss_high_recoil_atk
+	xor a
+	ld [wAIScore], a
+	jp .done
+
+.encourage_high_recoil_atk
+	ld a, 20
+	call AddToAIScore
+	jp .done
+
+; Zapping Selfdestruct deck only uses this attack
+; if number of cards in deck >= 30 and
+; HP of active card is < half max HP.
+.zapping_selfdestruct_deck
+	ld a, DUELVARS_NUMBER_OF_CARDS_NOT_IN_DECK
+	call GetTurnDuelistVariable
+	cp 31
+	jr nc, .high_recoil_generic_checks
+	ld e, PLAY_AREA_ARENA
+	call GetCardDamageAndMaxHP
+	sla a
+	cp c
+	jr c, .high_recoil_generic_checks
+	ld b, 0
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call GetCardIDFromDeckIndex
+	ld a, e
+	cp MAGNEMITE1
+	jr z, .magnemite1
+	ld b, 10 ; bench damage
+.magnemite1
+	ld a, 10
+	add b
+	ld b, a ; 20 bench damage if not Magnemite1
+
+; if this attack causes player to win the duel by
+; knocking out own Pokémon, dismiss attack.
+	ld a, 1 ; count active Pokémon as KO'd
+	call .check_if_kos_bench
+	jr c, .dismiss_high_recoil_atk
+	jr .encourage_high_recoil_atk
+
+; Rock Crusher Deck only uses this attack if
+; prize count is below 4 and attack wins (or potentially draws) the duel,
+; (i.e. at least gets KOs equal to prize cards left).
+.rock_crusher_deck
+	call CountPrizes
+	cp 4
+	jr nc, .dismiss_high_recoil_atk
+	; prize count < 4
+	ld b, 20 ; damage dealt to bench
+	call SwapTurn
+	xor a
+	call .check_if_kos_bench
+	call SwapTurn
+	jr c, .encourage_high_recoil_atk
+
+; generic checks for all other deck IDs.
+; encourage attack if it wins (or potentially draws) the duel,
+; (i.e. at least gets KOs equal to prize cards left).
+; dismiss it if it causes the player to win.
+.high_recoil_generic_checks
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call GetCardIDFromDeckIndex
+	ld a, e
+	cp CHANSEY
+	jr z, .chansey
+	cp MAGNEMITE1
+	jr z, .magnemite1_or_weezing
+	cp WEEZING
+	jr z, .magnemite1_or_weezing
+	ld b, 20 ; bench damage
+	jr .check_bench_kos
+.magnemite1_or_weezing
+	ld b, 10 ; bench damage
+	jr .check_bench_kos
+.chansey
+	ld b, 0 ; no bench damage
+
+.check_bench_kos
+	push bc
+	call SwapTurn
+	xor a
+	call .check_if_kos_bench
+	call SwapTurn
+	pop bc
+	jr c, .wins_the_duel
+	push de
+	ld a, 1
+	call .check_if_kos_bench
+	pop bc
+	jr nc, .count_own_ko_bench
+
+; attack causes player to draw all prize cards
+	xor a
+	ld [wAIScore], a
+	jp .done
+
+; attack causes CPU to draw all prize cards
+.wins_the_duel
+	ld a, 20
+	call AddToAIScore
+	jp .done
+
+; subtract from AI score number of own benched Pokémon KO'd
+.count_own_ko_bench
+	push bc
+	ld a, d
+	or a
+	jr z, .count_player_ko_bench
+	dec a
+	call SubFromAIScore
+
+; add to AI score number of player benched Pokémon KO'd
+.count_player_ko_bench
+	pop bc
+	ld a, b
+	call AddToAIScore
+	jr .check_defending_can_ko
+
+; local function that gets called to determine damage to
+; benched Pokémon caused by a HIGH_RECOIL attack.
+; return carry if using attack causes number of benched Pokémon KOs
+; equal to or larger than remaining prize cards.
+; this function is independent on duelist turn, so whatever
+; turn it is when this is called, it's that duelist's
+; bench/prize cards that get checked.
+; input:
+;	a = initial number of KO's beside benched Pokémon,
+;		so that if the active Pokémon is KO'd by the attack,
+;		this counts towards the prize cards collected
+;	b = damage dealt to bench Pokémon
+.check_if_kos_bench
+	ld d, a
+	ld a, DUELVARS_BENCH
+	call GetTurnDuelistVariable
+	ld e, PLAY_AREA_ARENA
+.loop
+	inc e
+	ld a, [hli]
+	cp $ff
+	jr z, .exit_loop
+	ld a, e
+	add DUELVARS_ARENA_CARD_HP
+	push hl
+	call GetTurnDuelistVariable
+	pop hl
+	cp b
+	jr z, .increase_count
+	jr nc, .loop
+.increase_count
+	; increase d if damage dealt KOs
+	inc d
+	jr .loop
+.exit_loop
+	push de
+	call SwapTurn
+	call CountPrizes
+	call SwapTurn
+	pop de
+	cp d
+	jp c, .set_carry
+	jp z, .set_carry
+	or a
+	ret
+.set_carry
+	scf
+	ret
+
+; if defending card can KO, encourage attack
+; unless attack is non-damaging.
+.check_defending_can_ko
+	ld a, [wSelectedAttack]
+	push af
+	call CheckIfDefendingPokemonCanKnockOut
+	pop bc
+	ld a, b
+	ld [wSelectedAttack], a
+	jr nc, .check_discard
+	ld a, 5
+	call AddToAIScore
+	ld a, [wAIAttackIsNonDamaging]
+	or a
+	jr z, .check_discard
+	ld a, 5
+	call SubFromAIScore
+
+; subtract from AI score if this attack requires
+; discarding any energy cards.
+.check_discard
+	ld a, [wSelectedAttack]
+	ld e, a
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	ld d, a
+	call CopyAttackDataAndDamage_FromDeckIndex
+	ld a, ATTACK_FLAG2_ADDRESS | DISCARD_ENERGY_F
+	call CheckLoadedAttackFlag
+	jr nc, .asm_16ca6
+	ld a, 1
+	call SubFromAIScore
+	ld a, [wLoadedAttackEffectParam]
+	call SubFromAIScore
+
+.asm_16ca6
+	ld a, ATTACK_FLAG2_ADDRESS | FLAG_2_BIT_6_F
+	call CheckLoadedAttackFlag
+	jr nc, .check_nullify_flag
+	ld a, [wLoadedAttackEffectParam]
+	call AddToAIScore
+
+; encourage attack if it has a nullify or weaken attack effect.
+.check_nullify_flag
+	ld a, ATTACK_FLAG2_ADDRESS | NULLIFY_OR_WEAKEN_ATTACK_F
+	call CheckLoadedAttackFlag
+	jr nc, .check_draw_flag
+	ld a, 1
+	call AddToAIScore
+
+; encourage attack if it has an effect to draw a card.
+.check_draw_flag
+	ld a, ATTACK_FLAG1_ADDRESS | DRAW_CARD_F
+	call CheckLoadedAttackFlag
+	jr nc, .check_heal_flag
+	ld a, 1
+	call AddToAIScore
+
+.check_heal_flag
+	ld a, ATTACK_FLAG2_ADDRESS | HEAL_USER_F
+	call CheckLoadedAttackFlag
+	jr nc, .check_status_effect
+	ld a, [wLoadedAttackEffectParam]
+	cp 1
+	jr z, .tally_heal_score
+	ld a, [wTempAI]
+	call CalculateByteTensDigit
+	ld b, a
+	ld a, [wLoadedAttackEffectParam]
+	cp 3
+	jr z, .asm_16cec
+	srl b
+	jr nc, .asm_16cec
+	inc b
+.asm_16cec
+	ld a, DUELVARS_ARENA_CARD_HP
+	call GetTurnDuelistVariable
+	call CalculateByteTensDigit
+	cp b
+	jr c, .tally_heal_score
+	ld a, b
+.tally_heal_score
+	push af
+	ld e, PLAY_AREA_ARENA
+	call GetCardDamageAndMaxHP
+	call CalculateByteTensDigit
+	pop bc
+	cp b ; wLoadedAttackEffectParam
+	jr c, .add_heal_score
+	ld a, b
+.add_heal_score
+	call AddToAIScore
+
+.check_status_effect
+	ld a, DUELVARS_ARENA_CARD
+	call GetNonTurnDuelistVariable
+	call SwapTurn
+	call GetCardIDFromDeckIndex
+	call SwapTurn
+	ld a, e
+	; skip if player has Snorlax
+	cp SNORLAX
+	jp z, .handle_special_atks
+
+	ld a, DUELVARS_ARENA_CARD_STATUS
+	call GetNonTurnDuelistVariable
+	ld [wTempAI], a
+
+; encourage a poison inflicting attack if opposing Pokémon
+; isn't (doubly) poisoned already.
+; if opposing Pokémon is only poisoned and not double poisoned,
+; and this attack has FLAG_2_BIT_6 set, discourage it
+; (possibly to make Nidoking's Toxic attack less likely to be chosen
+; if the other Pokémon is poisoned.)
+	ld a, ATTACK_FLAG1_ADDRESS | INFLICT_POISON_F
+	call CheckLoadedAttackFlag
+	jr nc, .check_sleep
+	ld a, [wTempAI]
+	and DOUBLE_POISONED
+	jr z, .add_poison_score
+	and $40 ; only double poisoned?
+	jr z, .check_sleep
+	ld a, ATTACK_FLAG2_ADDRESS | FLAG_2_BIT_6_F
+	call CheckLoadedAttackFlag
+	jr nc, .check_sleep
+	ld a, 2
+	call SubFromAIScore
+	jr .check_sleep
+.add_poison_score
+	ld a, 2
+	call AddToAIScore
+
+; encourage sleep-inducing attack if other Pokémon isn't asleep.
+.check_sleep
+	ld a, ATTACK_FLAG1_ADDRESS | INFLICT_SLEEP_F
+	call CheckLoadedAttackFlag
+	jr nc, .check_paralysis
+	ld a, [wTempAI]
+	and CNF_SLP_PRZ
+	cp ASLEEP
+	jr z, .check_paralysis
+	ld a, 1
+	call AddToAIScore
+
+; encourage paralysis-inducing attack if other Pokémon isn't asleep.
+; otherwise, if other Pokémon is asleep, discourage attack.
+.check_paralysis
+	ld a, ATTACK_FLAG1_ADDRESS | INFLICT_PARALYSIS_F
+	call CheckLoadedAttackFlag
+	jr nc, .check_confusion
+	ld a, [wTempAI]
+	and CNF_SLP_PRZ
+	cp ASLEEP
+	jr z, .sub_prz_score
+	ld a, 1
+	call AddToAIScore
+	jr .check_confusion
+.sub_prz_score
+	ld a, 1
+	call SubFromAIScore
+
+; encourage confuse-inducing attack if other Pokémon isn't asleep
+; or confused already.
+; otherwise, if other Pokémon is asleep or confused,
+; discourage attack instead.
+.check_confusion
+	ld a, ATTACK_FLAG1_ADDRESS | INFLICT_CONFUSION_F
+	call CheckLoadedAttackFlag
+	jr nc, .check_if_confused
+	ld a, [wTempAI]
+	and CNF_SLP_PRZ
+	cp ASLEEP
+	jr z, .sub_cnf_score
+	ld a, [wTempAI]
+	and CNF_SLP_PRZ
+	cp CONFUSED
+	jr z, .check_if_confused
+	ld a, 1
+	call AddToAIScore
+	jr .check_if_confused
+.sub_cnf_score
+	ld a, 1
+	call SubFromAIScore
+
+; if this Pokémon is confused, subtract from score.
+.check_if_confused
+	ld a, DUELVARS_ARENA_CARD_STATUS
+	call GetTurnDuelistVariable
+	and CNF_SLP_PRZ
+	cp CONFUSED
+	jr nz, .handle_special_atks
+	ld a, 1
+	call SubFromAIScore
+
+; SPECIAL_AI_HANDLING marks attacks that the AI handles individually.
+; each attack has its own checks and modifies AI score accordingly.
+.handle_special_atks
+	ld a, ATTACK_FLAG3_ADDRESS | SPECIAL_AI_HANDLING_F
+	call CheckLoadedAttackFlag
+	jr nc, .done
+	call HandleSpecialAIAttacks
+	cp $80
+	jr c, .negative_score
+	sub $80
+	call AddToAIScore
+	jr .done
+.negative_score
+	ld b, a
+	ld a, $80
+	sub b
+	call SubFromAIScore
+
+.done
+	ret
diff --git a/src/engine/ai/boss_deck_set_up.asm b/src/engine/ai/boss_deck_set_up.asm
index fa3a262..ebcd2ea 100644
--- a/src/engine/ai/boss_deck_set_up.asm
+++ b/src/engine/ai/boss_deck_set_up.asm
@@ -1,167 +1,167 @@
-; sets up the initial hand of boss deck.
-; always draws at least 2 Basic Pokemon cards and 2 Energy cards.
-; also sets up so that the next cards to be drawn have
-; some minimum number of Basic Pokemon and Energy cards.
-SetUpBossStartingHandAndDeck: ; 172af (5:72af)
-; shuffle all hand cards in deck
-	ld a, DUELVARS_HAND
-	call GetTurnDuelistVariable
-	ld b, STARTING_HAND_SIZE
-.loop_hand
-	ld a, [hl]
-	call RemoveCardFromHand
-	call ReturnCardToDeck
-	dec b
-	jr nz, .loop_hand
-	jr .count_energy_basic
-
-.shuffle_deck
-	call ShuffleDeck
-
-; count number of Energy and basic Pokemon cards
-; in the first STARTING_HAND_SIZE in deck.
-.count_energy_basic
-	xor a
-	ld [wce06], a
-	ld [wce08], a
-
-	ld a, DUELVARS_DECK_CARDS
-	call GetTurnDuelistVariable
-	ld b, STARTING_HAND_SIZE
-.loop_deck_1
-	ld a, [hli]
-	push bc
-	call LoadCardDataToBuffer1_FromDeckIndex
-	pop bc
-	ld a, [wLoadedCard1Type]
-	cp TYPE_ENERGY
-	jr c, .pokemon_card_1
-	cp TYPE_TRAINER
-	jr z, .next_card_deck_1
-
-; energy card
-	ld a, [wce08]
-	inc a
-	ld [wce08], a
-	jr .next_card_deck_1
-
-.pokemon_card_1
-	ld a, [wLoadedCard1Stage]
-	or a
-	jr nz, .next_card_deck_1 ; not basic
-	ld a, [wce06]
-	inc a
-	ld [wce06], a
-
-.next_card_deck_1
-	dec b
-	jr nz, .loop_deck_1
-
-; tally the number of Energy and basic Pokemon cards
-; and if any of them is smaller than 2, re-shuffle deck.
-	ld a, [wce06]
-	cp 2
-	jr c, .shuffle_deck
-	ld a, [wce08]
-	cp 2
-	jr c, .shuffle_deck
-
-; now check the following 6 cards (prize cards).
-; re-shuffle deck if any of these cards is listed in wAICardListAvoidPrize.
-	ld b, 6
-.check_card_ids
-	ld a, [hli]
-	push bc
-	call .CheckIfIDIsInList
-	pop bc
-	jr c, .shuffle_deck
-	dec b
-	jr nz, .check_card_ids
-
-; finally, check 6 cards after that.
-; if Energy or Basic Pokemon counter is below 4
-; (counting with the ones found in the initial hand)
-; then re-shuffle deck.
-	ld b, 6
-.loop_deck_2
-	ld a, [hli]
-	push bc
-	call LoadCardDataToBuffer1_FromDeckIndex
-	pop bc
-	ld a, [wLoadedCard1Type]
-	cp TYPE_ENERGY
-	jr c, .pokemon_card_2
-	cp TYPE_TRAINER
-	jr z, .next_card_deck_2
-
-; energy card
-	ld a, [wce08]
-	inc a
-	ld [wce08], a
-	jr .next_card_deck_2
-
-.pokemon_card_2
-	ld a, [wLoadedCard1Stage]
-	or a
-	jr nz, .next_card_deck_2
-	ld a, [wce06]
-	inc a
-	ld [wce06], a
-
-.next_card_deck_2
-	dec b
-	jr nz, .loop_deck_2
-
-	ld a, [wce06]
-	cp 4
-	jp c, .shuffle_deck
-	ld a, [wce08]
-	cp 4
-	jp c, .shuffle_deck
-
-; draw new set of hand cards
-	ld a, DUELVARS_DECK_CARDS
-	call GetTurnDuelistVariable
-	ld b, STARTING_HAND_SIZE
-.draw_loop
-	ld a, [hli]
-	call SearchCardInDeckAndAddToHand
-	call AddCardToHand
-	dec b
-	jr nz, .draw_loop
-	ret
-
-; expectation: return carry if card ID corresponding
-; to the input deck index is listed in wAICardListAvoidPrize;
-; reality: always returns no carry because when checking terminating
-; byte in wAICardListAvoidPrize ($00), it wrongfully uses 'cp a' instead of 'or a',
-; so it always ends up returning in the first item in list.
-; input:
-;	- a = deck index of card to check
-.CheckIfIDIsInList ; 17366 (5:7366)
-	ld b, a
-	ld a, [wAICardListAvoidPrize + 1]
-	or a
-	ret z ; null
-	push hl
-	ld h, a
-	ld a, [wAICardListAvoidPrize]
-	ld l, a
-
-	ld a, b
-	call GetCardIDFromDeckIndex
-.loop_id_list
-	ld a, [hli]
-	cp a ; bug, should be 'or a'
-	jr z, .false
-	cp e
-	jr nz, .loop_id_list
-
-; true
-	pop hl
-	scf
-	ret
-.false
-	pop hl
-	or a
-	ret
+; sets up the initial hand of boss deck.
+; always draws at least 2 Basic Pokemon cards and 2 Energy cards.
+; also sets up so that the next cards to be drawn have
+; some minimum number of Basic Pokemon and Energy cards.
+SetUpBossStartingHandAndDeck: ; 172af (5:72af)
+; shuffle all hand cards in deck
+	ld a, DUELVARS_HAND
+	call GetTurnDuelistVariable
+	ld b, STARTING_HAND_SIZE
+.loop_hand
+	ld a, [hl]
+	call RemoveCardFromHand
+	call ReturnCardToDeck
+	dec b
+	jr nz, .loop_hand
+	jr .count_energy_basic
+
+.shuffle_deck
+	call ShuffleDeck
+
+; count number of Energy and basic Pokemon cards
+; in the first STARTING_HAND_SIZE in deck.
+.count_energy_basic
+	xor a
+	ld [wce06], a
+	ld [wce08], a
+
+	ld a, DUELVARS_DECK_CARDS
+	call GetTurnDuelistVariable
+	ld b, STARTING_HAND_SIZE
+.loop_deck_1
+	ld a, [hli]
+	push bc
+	call LoadCardDataToBuffer1_FromDeckIndex
+	pop bc
+	ld a, [wLoadedCard1Type]
+	cp TYPE_ENERGY
+	jr c, .pokemon_card_1
+	cp TYPE_TRAINER
+	jr z, .next_card_deck_1
+
+; energy card
+	ld a, [wce08]
+	inc a
+	ld [wce08], a
+	jr .next_card_deck_1
+
+.pokemon_card_1
+	ld a, [wLoadedCard1Stage]
+	or a
+	jr nz, .next_card_deck_1 ; not basic
+	ld a, [wce06]
+	inc a
+	ld [wce06], a
+
+.next_card_deck_1
+	dec b
+	jr nz, .loop_deck_1
+
+; tally the number of Energy and basic Pokemon cards
+; and if any of them is smaller than 2, re-shuffle deck.
+	ld a, [wce06]
+	cp 2
+	jr c, .shuffle_deck
+	ld a, [wce08]
+	cp 2
+	jr c, .shuffle_deck
+
+; now check the following 6 cards (prize cards).
+; re-shuffle deck if any of these cards is listed in wAICardListAvoidPrize.
+	ld b, 6
+.check_card_ids
+	ld a, [hli]
+	push bc
+	call .CheckIfIDIsInList
+	pop bc
+	jr c, .shuffle_deck
+	dec b
+	jr nz, .check_card_ids
+
+; finally, check 6 cards after that.
+; if Energy or Basic Pokemon counter is below 4
+; (counting with the ones found in the initial hand)
+; then re-shuffle deck.
+	ld b, 6
+.loop_deck_2
+	ld a, [hli]
+	push bc
+	call LoadCardDataToBuffer1_FromDeckIndex
+	pop bc
+	ld a, [wLoadedCard1Type]
+	cp TYPE_ENERGY
+	jr c, .pokemon_card_2
+	cp TYPE_TRAINER
+	jr z, .next_card_deck_2
+
+; energy card
+	ld a, [wce08]
+	inc a
+	ld [wce08], a
+	jr .next_card_deck_2
+
+.pokemon_card_2
+	ld a, [wLoadedCard1Stage]
+	or a
+	jr nz, .next_card_deck_2
+	ld a, [wce06]
+	inc a
+	ld [wce06], a
+
+.next_card_deck_2
+	dec b
+	jr nz, .loop_deck_2
+
+	ld a, [wce06]
+	cp 4
+	jp c, .shuffle_deck
+	ld a, [wce08]
+	cp 4
+	jp c, .shuffle_deck
+
+; draw new set of hand cards
+	ld a, DUELVARS_DECK_CARDS
+	call GetTurnDuelistVariable
+	ld b, STARTING_HAND_SIZE
+.draw_loop
+	ld a, [hli]
+	call SearchCardInDeckAndAddToHand
+	call AddCardToHand
+	dec b
+	jr nz, .draw_loop
+	ret
+
+; expectation: return carry if card ID corresponding
+; to the input deck index is listed in wAICardListAvoidPrize;
+; reality: always returns no carry because when checking terminating
+; byte in wAICardListAvoidPrize ($00), it wrongfully uses 'cp a' instead of 'or a',
+; so it always ends up returning in the first item in list.
+; input:
+;	- a = deck index of card to check
+.CheckIfIDIsInList ; 17366 (5:7366)
+	ld b, a
+	ld a, [wAICardListAvoidPrize + 1]
+	or a
+	ret z ; null
+	push hl
+	ld h, a
+	ld a, [wAICardListAvoidPrize]
+	ld l, a
+
+	ld a, b
+	call GetCardIDFromDeckIndex
+.loop_id_list
+	ld a, [hli]
+	cp a ; bug, should be 'or a'
+	jr z, .false
+	cp e
+	jr nz, .loop_id_list
+
+; true
+	pop hl
+	scf
+	ret
+.false
+	pop hl
+	or a
+	ret
diff --git a/src/engine/ai/damage_calculation.asm b/src/engine/ai/damage_calculation.asm
index a4fcd27..97c24b6 100644
--- a/src/engine/ai/damage_calculation.asm
+++ b/src/engine/ai/damage_calculation.asm
@@ -1,450 +1,450 @@
-; stores in wDamage, wAIMinDamage and wAIMaxDamage the calculated damage
-; done to the defending Pokémon by a given card and attack
-; input:
-;	a = attack index to take into account
-;	[hTempPlayAreaLocation_ff9d] = location of attacking card to consider
-EstimateDamage_VersusDefendingCard: ; 143e5 (5:43e5)
-	ld [wSelectedAttack], a
-	ld e, a
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	ld d, a
-	call CopyAttackDataAndDamage_FromDeckIndex
-	ld a, [wLoadedAttackCategory]
-	cp POKEMON_POWER
-	jr nz, .is_attack
-
-; is a Pokémon Power
-; set wDamage, wAIMinDamage and wAIMaxDamage to zero
-	ld hl, wDamage
-	xor a
-	ld [hli], a
-	ld [hl], a
-	ld [wAIMinDamage], a
-	ld [wAIMaxDamage], a
-	ld e, a
-	ld d, a
-	ret
-
-.is_attack
-; set wAIMinDamage and wAIMaxDamage to damage of attack
-; these values take into account the range of damage
-; that the attack can span (e.g. min and max number of hits)
-	ld a, [wDamage]
-	ld [wAIMinDamage], a
-	ld [wAIMaxDamage], a
-	ld a, EFFECTCMDTYPE_AI
-	call TryExecuteEffectCommandFunction
-	ld a, [wAIMinDamage]
-	ld hl, wAIMaxDamage
-	or [hl]
-	jr nz, .calculation
-	ld a, [wDamage]
-	ld [wAIMinDamage], a
-	ld [wAIMaxDamage], a
-
-.calculation
-; if temp. location is active, damage calculation can be done directly...
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a
-	jr z, CalculateDamage_VersusDefendingPokemon
-
-; ...otherwise substatuses need to be temporarily reset to account
-; for the switching, to obtain the right damage calculation...
-	; reset substatus1
-	ld a, DUELVARS_ARENA_CARD_SUBSTATUS1
-	call GetTurnDuelistVariable
-	push af
-	push hl
-	ld [hl], $00
-	; reset substatus2
-	ld l, DUELVARS_ARENA_CARD_SUBSTATUS2
-	ld a, [hl]
-	push af
-	push hl
-	ld [hl], $00
-	; reset changed resistance
-	ld l, DUELVARS_ARENA_CARD_CHANGED_RESISTANCE
-	ld a, [hl]
-	push af
-	push hl
-	ld [hl], $00
-	call CalculateDamage_VersusDefendingPokemon
-; ...and subsequently recovered to continue the duel normally
-	pop hl
-	pop af
-	ld [hl], a
-	pop hl
-	pop af
-	ld [hl], a
-	pop hl
-	pop af
-	ld [hl], a
-	ret
-
-; calculates the damage that will be dealt to the player's active card
-; using the card that is located in hTempPlayAreaLocation_ff9d
-; taking into account weakness/resistance/pluspowers/defenders/etc
-; and outputs the result capped at a max of $ff
-; input:
-;	[wAIMinDamage] = base damage
-;	[wAIMaxDamage] = base damage
-;	[wDamage]      = base damage
-;	[hTempPlayAreaLocation_ff9d] = turn holder's card location as the attacker
-CalculateDamage_VersusDefendingPokemon: ; 14453 (5:4453)
-	ld hl, wAIMinDamage
-	call _CalculateDamage_VersusDefendingPokemon
-	ld hl, wAIMaxDamage
-	call _CalculateDamage_VersusDefendingPokemon
-	ld hl, wDamage
-;	fallthrough
-
-_CalculateDamage_VersusDefendingPokemon: ; 14462 (5:4462)
-	ld e, [hl]
-	ld d, $00
-	push hl
-
-	; load this card's data
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call LoadCardDataToBuffer2_FromDeckIndex
-	ld a, [wLoadedCard2ID]
-	ld [wTempTurnDuelistCardID], a
-
-	; load player's arena card data
-	call SwapTurn
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call LoadCardDataToBuffer2_FromDeckIndex
-	ld a, [wLoadedCard2ID]
-	ld [wTempNonTurnDuelistCardID], a
-	call SwapTurn
-
-	push de
-	call HandleNoDamageOrEffectSubstatus
-	pop de
-	jr nc, .vulnerable
-	; invulnerable to damage
-	ld de, $0
-	jr .done
-.vulnerable
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a
-	call z, HandleDoubleDamageSubstatus
-	; skips the weak/res checks if unaffected.
-	bit UNAFFECTED_BY_WEAKNESS_RESISTANCE_F, d
-	res UNAFFECTED_BY_WEAKNESS_RESISTANCE_F, d
-	jr nz, .not_resistant
-
-; handle weakness
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	call GetPlayAreaCardColor
-	call TranslateColorToWR
-	ld b, a
-	call SwapTurn
-	call GetArenaCardWeakness
-	call SwapTurn
-	and b
-	jr z, .not_weak
-	; double de
-	sla e
-	rl d
-
-.not_weak
-; handle resistance
-	call SwapTurn
-	call GetArenaCardResistance
-	call SwapTurn
-	and b
-	jr z, .not_resistant
-	ld hl, -30
-	add hl, de
-	ld e, l
-	ld d, h
-
-.not_resistant
-	; apply pluspower and defender boosts
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add CARD_LOCATION_ARENA
-	ld b, a
-	call ApplyAttachedPluspower
-	call SwapTurn
-	ld b, CARD_LOCATION_ARENA
-	call ApplyAttachedDefender
-	call HandleDamageReduction
-	; test if de underflowed
-	bit 7, d
-	jr z, .no_underflow
-	ld de, $0
-
-.no_underflow
-	ld a, DUELVARS_ARENA_CARD_STATUS
-	call GetTurnDuelistVariable
-	and DOUBLE_POISONED
-	jr z, .not_poisoned
-	ld c, 20
-	and DOUBLE_POISONED & (POISONED ^ $ff)
-	jr nz, .add_poison
-	ld c, 10
-.add_poison
-	ld a, c
-	add e
-	ld e, a
-	ld a, $00
-	adc d
-	ld d, a
-.not_poisoned
-	call SwapTurn
-
-.done
-	pop hl
-	ld [hl], e
-	ld a, d
-	or a
-	ret z
-	; cap damage
-	ld a, $ff
-	ld [hl], a
-	ret
-
-; stores in wDamage, wAIMinDamage and wAIMaxDamage the calculated damage
-; done to the Pokémon at hTempPlayAreaLocation_ff9d
-; by the defending Pokémon, using the attack index at a
-; input:
-;	a = attack index
-;	[hTempPlayAreaLocation_ff9d] = location of card to calculate
-;	                               damage as the receiver
-EstimateDamage_FromDefendingPokemon: ; 1450b (5:450b)
-	call SwapTurn
-	ld [wSelectedAttack], a
-	ld e, a
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	ld d, a
-	call CopyAttackDataAndDamage_FromDeckIndex
-	call SwapTurn
-	ld a, [wLoadedAttackCategory]
-	cp POKEMON_POWER
-	jr nz, .is_attack
-
-; is a Pokémon Power
-; set wDamage, wAIMinDamage and wAIMaxDamage to zero
-	ld hl, wDamage
-	xor a
-	ld [hli], a
-	ld [hl], a
-	ld [wAIMinDamage], a
-	ld [wAIMaxDamage], a
-	ld e, a
-	ld d, a
-	ret
-
-.is_attack
-; set wAIMinDamage and wAIMaxDamage to damage of attack
-; these values take into account the range of damage
-; that the attack can span (e.g. min and max number of hits)
-	ld a, [wDamage]
-	ld [wAIMinDamage], a
-	ld [wAIMaxDamage], a
-	call SwapTurn
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	push af
-	xor a
-	ldh [hTempPlayAreaLocation_ff9d], a
-	ld a, EFFECTCMDTYPE_AI
-	call TryExecuteEffectCommandFunction
-	pop af
-	ldh [hTempPlayAreaLocation_ff9d], a
-	call SwapTurn
-	ld a, [wAIMinDamage]
-	ld hl, wAIMaxDamage
-	or [hl]
-	jr nz, .calculation
-	ld a, [wDamage]
-	ld [wAIMinDamage], a
-	ld [wAIMaxDamage], a
-
-.calculation
-; if temp. location is active, damage calculation can be done directly...
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a
-	jr z, CalculateDamage_FromDefendingPokemon
-
-; ...otherwise substatuses need to be temporarily reset to account
-; for the switching, to obtain the right damage calculation...
-	ld a, DUELVARS_ARENA_CARD_SUBSTATUS1
-	call GetTurnDuelistVariable
-	push af
-	push hl
-	ld [hl], $00
-	; reset substatus2
-	ld l, DUELVARS_ARENA_CARD_SUBSTATUS2
-	ld a, [hl]
-	push af
-	push hl
-	ld [hl], $00
-	; reset changed resistance
-	ld l, DUELVARS_ARENA_CARD_CHANGED_RESISTANCE
-	ld a, [hl]
-	push af
-	push hl
-	ld [hl], $00
-	call CalculateDamage_FromDefendingPokemon
-; ...and subsequently recovered to continue the duel normally
-	pop hl
-	pop af
-	ld [hl], a
-	pop hl
-	pop af
-	ld [hl], a
-	pop hl
-	pop af
-	ld [hl], a
-	ret
-
-; similar to CalculateDamage_VersusDefendingPokemon but reversed,
-; calculating damage of the defending Pokémon versus
-; the card located in hTempPlayAreaLocation_ff9d
-; taking into account weakness/resistance/pluspowers/defenders/etc
-; and poison damage for two turns
-; and outputs the result capped at a max of $ff
-; input:
-;	[wAIMinDamage] = base damage
-;	[wAIMaxDamage] = base damage
-;	[wDamage]      = base damage
-;	[hTempPlayAreaLocation_ff9d] = location of card to calculate
-;								 damage as the receiver
-CalculateDamage_FromDefendingPokemon: ; 1458c (5:458c)
-	ld hl, wAIMinDamage
-	call .CalculateDamage
-	ld hl, wAIMaxDamage
-	call .CalculateDamage
-	ld hl, wDamage
-	; fallthrough
-
-.CalculateDamage ; 1459b (5:459b)
-	ld e, [hl]
-	ld d, $00
-	push hl
-
-	; load player active card's data
-	call SwapTurn
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call LoadCardDataToBuffer2_FromDeckIndex
-	ld a, [wLoadedCard2ID]
-	ld [wTempTurnDuelistCardID], a
-	call SwapTurn
-
-	; load opponent's card data
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call LoadCardDataToBuffer2_FromDeckIndex
-	ld a, [wLoadedCard2ID]
-	ld [wTempNonTurnDuelistCardID], a
-
-	call SwapTurn
-	call HandleDoubleDamageSubstatus
-	bit UNAFFECTED_BY_WEAKNESS_RESISTANCE_F, d
-	res UNAFFECTED_BY_WEAKNESS_RESISTANCE_F, d
-	jr nz, .not_resistant
-
-; handle weakness
-	call GetArenaCardColor
-	call TranslateColorToWR
-	ld b, a
-	call SwapTurn
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a
-	jr nz, .bench_weak
-	ld a, DUELVARS_ARENA_CARD_CHANGED_WEAKNESS
-	call GetTurnDuelistVariable
-	or a
-	jr nz, .unchanged_weak
-
-.bench_weak
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call LoadCardDataToBuffer2_FromDeckIndex
-	ld a, [wLoadedCard2Weakness]
-.unchanged_weak
-	and b
-	jr z, .not_weak
-	; double de
-	sla e
-	rl d
-
-.not_weak
-; handle resistance
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a
-	jr nz, .bench_res
-	ld a, DUELVARS_ARENA_CARD_CHANGED_RESISTANCE
-	call GetTurnDuelistVariable
-	or a
-	jr nz, .unchanged_res
-
-.bench_res
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call LoadCardDataToBuffer2_FromDeckIndex
-	ld a, [wLoadedCard2Resistance]
-.unchanged_res
-	and b
-	jr z, .not_resistant
-	ld hl, -30
-	add hl, de
-	ld e, l
-	ld d, h
-
-.not_resistant
-	; apply pluspower and defender boosts
-	call SwapTurn
-	ld b, CARD_LOCATION_ARENA
-	call ApplyAttachedPluspower
-	call SwapTurn
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add CARD_LOCATION_ARENA
-	ld b, a
-	call ApplyAttachedDefender
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a
-	call z, HandleDamageReduction
-	bit 7, d
-	jr z, .no_underflow
-	ld de, $0
-
-.no_underflow
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a
-	jr nz, .done
-	ld a, DUELVARS_ARENA_CARD_STATUS
-	call GetTurnDuelistVariable
-	and DOUBLE_POISONED
-	jr z, .done
-	ld c, 40
-	and DOUBLE_POISONED & (POISONED ^ $ff)
-	jr nz, .add_poison
-	ld c, 20
-.add_poison
-	ld a, c
-	add e
-	ld e, a
-	ld a, $00
-	adc d
-	ld d, a
-
-.done
-	pop hl
-	ld [hl], e
-	ld a, d
-	or a
-	ret z
-	ld a, $ff
-	ld [hl], a
-	ret
+; stores in wDamage, wAIMinDamage and wAIMaxDamage the calculated damage
+; done to the defending Pokémon by a given card and attack
+; input:
+;	a = attack index to take into account
+;	[hTempPlayAreaLocation_ff9d] = location of attacking card to consider
+EstimateDamage_VersusDefendingCard: ; 143e5 (5:43e5)
+	ld [wSelectedAttack], a
+	ld e, a
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	ld d, a
+	call CopyAttackDataAndDamage_FromDeckIndex
+	ld a, [wLoadedAttackCategory]
+	cp POKEMON_POWER
+	jr nz, .is_attack
+
+; is a Pokémon Power
+; set wDamage, wAIMinDamage and wAIMaxDamage to zero
+	ld hl, wDamage
+	xor a
+	ld [hli], a
+	ld [hl], a
+	ld [wAIMinDamage], a
+	ld [wAIMaxDamage], a
+	ld e, a
+	ld d, a
+	ret
+
+.is_attack
+; set wAIMinDamage and wAIMaxDamage to damage of attack
+; these values take into account the range of damage
+; that the attack can span (e.g. min and max number of hits)
+	ld a, [wDamage]
+	ld [wAIMinDamage], a
+	ld [wAIMaxDamage], a
+	ld a, EFFECTCMDTYPE_AI
+	call TryExecuteEffectCommandFunction
+	ld a, [wAIMinDamage]
+	ld hl, wAIMaxDamage
+	or [hl]
+	jr nz, .calculation
+	ld a, [wDamage]
+	ld [wAIMinDamage], a
+	ld [wAIMaxDamage], a
+
+.calculation
+; if temp. location is active, damage calculation can be done directly...
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a
+	jr z, CalculateDamage_VersusDefendingPokemon
+
+; ...otherwise substatuses need to be temporarily reset to account
+; for the switching, to obtain the right damage calculation...
+	; reset substatus1
+	ld a, DUELVARS_ARENA_CARD_SUBSTATUS1
+	call GetTurnDuelistVariable
+	push af
+	push hl
+	ld [hl], $00
+	; reset substatus2
+	ld l, DUELVARS_ARENA_CARD_SUBSTATUS2
+	ld a, [hl]
+	push af
+	push hl
+	ld [hl], $00
+	; reset changed resistance
+	ld l, DUELVARS_ARENA_CARD_CHANGED_RESISTANCE
+	ld a, [hl]
+	push af
+	push hl
+	ld [hl], $00
+	call CalculateDamage_VersusDefendingPokemon
+; ...and subsequently recovered to continue the duel normally
+	pop hl
+	pop af
+	ld [hl], a
+	pop hl
+	pop af
+	ld [hl], a
+	pop hl
+	pop af
+	ld [hl], a
+	ret
+
+; calculates the damage that will be dealt to the player's active card
+; using the card that is located in hTempPlayAreaLocation_ff9d
+; taking into account weakness/resistance/pluspowers/defenders/etc
+; and outputs the result capped at a max of $ff
+; input:
+;	[wAIMinDamage] = base damage
+;	[wAIMaxDamage] = base damage
+;	[wDamage]      = base damage
+;	[hTempPlayAreaLocation_ff9d] = turn holder's card location as the attacker
+CalculateDamage_VersusDefendingPokemon: ; 14453 (5:4453)
+	ld hl, wAIMinDamage
+	call _CalculateDamage_VersusDefendingPokemon
+	ld hl, wAIMaxDamage
+	call _CalculateDamage_VersusDefendingPokemon
+	ld hl, wDamage
+;	fallthrough
+
+_CalculateDamage_VersusDefendingPokemon: ; 14462 (5:4462)
+	ld e, [hl]
+	ld d, $00
+	push hl
+
+	; load this card's data
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call LoadCardDataToBuffer2_FromDeckIndex
+	ld a, [wLoadedCard2ID]
+	ld [wTempTurnDuelistCardID], a
+
+	; load player's arena card data
+	call SwapTurn
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call LoadCardDataToBuffer2_FromDeckIndex
+	ld a, [wLoadedCard2ID]
+	ld [wTempNonTurnDuelistCardID], a
+	call SwapTurn
+
+	push de
+	call HandleNoDamageOrEffectSubstatus
+	pop de
+	jr nc, .vulnerable
+	; invulnerable to damage
+	ld de, $0
+	jr .done
+.vulnerable
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a
+	call z, HandleDoubleDamageSubstatus
+	; skips the weak/res checks if unaffected.
+	bit UNAFFECTED_BY_WEAKNESS_RESISTANCE_F, d
+	res UNAFFECTED_BY_WEAKNESS_RESISTANCE_F, d
+	jr nz, .not_resistant
+
+; handle weakness
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	call GetPlayAreaCardColor
+	call TranslateColorToWR
+	ld b, a
+	call SwapTurn
+	call GetArenaCardWeakness
+	call SwapTurn
+	and b
+	jr z, .not_weak
+	; double de
+	sla e
+	rl d
+
+.not_weak
+; handle resistance
+	call SwapTurn
+	call GetArenaCardResistance
+	call SwapTurn
+	and b
+	jr z, .not_resistant
+	ld hl, -30
+	add hl, de
+	ld e, l
+	ld d, h
+
+.not_resistant
+	; apply pluspower and defender boosts
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add CARD_LOCATION_ARENA
+	ld b, a
+	call ApplyAttachedPluspower
+	call SwapTurn
+	ld b, CARD_LOCATION_ARENA
+	call ApplyAttachedDefender
+	call HandleDamageReduction
+	; test if de underflowed
+	bit 7, d
+	jr z, .no_underflow
+	ld de, $0
+
+.no_underflow
+	ld a, DUELVARS_ARENA_CARD_STATUS
+	call GetTurnDuelistVariable
+	and DOUBLE_POISONED
+	jr z, .not_poisoned
+	ld c, 20
+	and DOUBLE_POISONED & (POISONED ^ $ff)
+	jr nz, .add_poison
+	ld c, 10
+.add_poison
+	ld a, c
+	add e
+	ld e, a
+	ld a, $00
+	adc d
+	ld d, a
+.not_poisoned
+	call SwapTurn
+
+.done
+	pop hl
+	ld [hl], e
+	ld a, d
+	or a
+	ret z
+	; cap damage
+	ld a, $ff
+	ld [hl], a
+	ret
+
+; stores in wDamage, wAIMinDamage and wAIMaxDamage the calculated damage
+; done to the Pokémon at hTempPlayAreaLocation_ff9d
+; by the defending Pokémon, using the attack index at a
+; input:
+;	a = attack index
+;	[hTempPlayAreaLocation_ff9d] = location of card to calculate
+;	                               damage as the receiver
+EstimateDamage_FromDefendingPokemon: ; 1450b (5:450b)
+	call SwapTurn
+	ld [wSelectedAttack], a
+	ld e, a
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	ld d, a
+	call CopyAttackDataAndDamage_FromDeckIndex
+	call SwapTurn
+	ld a, [wLoadedAttackCategory]
+	cp POKEMON_POWER
+	jr nz, .is_attack
+
+; is a Pokémon Power
+; set wDamage, wAIMinDamage and wAIMaxDamage to zero
+	ld hl, wDamage
+	xor a
+	ld [hli], a
+	ld [hl], a
+	ld [wAIMinDamage], a
+	ld [wAIMaxDamage], a
+	ld e, a
+	ld d, a
+	ret
+
+.is_attack
+; set wAIMinDamage and wAIMaxDamage to damage of attack
+; these values take into account the range of damage
+; that the attack can span (e.g. min and max number of hits)
+	ld a, [wDamage]
+	ld [wAIMinDamage], a
+	ld [wAIMaxDamage], a
+	call SwapTurn
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	push af
+	xor a
+	ldh [hTempPlayAreaLocation_ff9d], a
+	ld a, EFFECTCMDTYPE_AI
+	call TryExecuteEffectCommandFunction
+	pop af
+	ldh [hTempPlayAreaLocation_ff9d], a
+	call SwapTurn
+	ld a, [wAIMinDamage]
+	ld hl, wAIMaxDamage
+	or [hl]
+	jr nz, .calculation
+	ld a, [wDamage]
+	ld [wAIMinDamage], a
+	ld [wAIMaxDamage], a
+
+.calculation
+; if temp. location is active, damage calculation can be done directly...
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a
+	jr z, CalculateDamage_FromDefendingPokemon
+
+; ...otherwise substatuses need to be temporarily reset to account
+; for the switching, to obtain the right damage calculation...
+	ld a, DUELVARS_ARENA_CARD_SUBSTATUS1
+	call GetTurnDuelistVariable
+	push af
+	push hl
+	ld [hl], $00
+	; reset substatus2
+	ld l, DUELVARS_ARENA_CARD_SUBSTATUS2
+	ld a, [hl]
+	push af
+	push hl
+	ld [hl], $00
+	; reset changed resistance
+	ld l, DUELVARS_ARENA_CARD_CHANGED_RESISTANCE
+	ld a, [hl]
+	push af
+	push hl
+	ld [hl], $00
+	call CalculateDamage_FromDefendingPokemon
+; ...and subsequently recovered to continue the duel normally
+	pop hl
+	pop af
+	ld [hl], a
+	pop hl
+	pop af
+	ld [hl], a
+	pop hl
+	pop af
+	ld [hl], a
+	ret
+
+; similar to CalculateDamage_VersusDefendingPokemon but reversed,
+; calculating damage of the defending Pokémon versus
+; the card located in hTempPlayAreaLocation_ff9d
+; taking into account weakness/resistance/pluspowers/defenders/etc
+; and poison damage for two turns
+; and outputs the result capped at a max of $ff
+; input:
+;	[wAIMinDamage] = base damage
+;	[wAIMaxDamage] = base damage
+;	[wDamage]      = base damage
+;	[hTempPlayAreaLocation_ff9d] = location of card to calculate
+;								 damage as the receiver
+CalculateDamage_FromDefendingPokemon: ; 1458c (5:458c)
+	ld hl, wAIMinDamage
+	call .CalculateDamage
+	ld hl, wAIMaxDamage
+	call .CalculateDamage
+	ld hl, wDamage
+	; fallthrough
+
+.CalculateDamage ; 1459b (5:459b)
+	ld e, [hl]
+	ld d, $00
+	push hl
+
+	; load player active card's data
+	call SwapTurn
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call LoadCardDataToBuffer2_FromDeckIndex
+	ld a, [wLoadedCard2ID]
+	ld [wTempTurnDuelistCardID], a
+	call SwapTurn
+
+	; load opponent's card data
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call LoadCardDataToBuffer2_FromDeckIndex
+	ld a, [wLoadedCard2ID]
+	ld [wTempNonTurnDuelistCardID], a
+
+	call SwapTurn
+	call HandleDoubleDamageSubstatus
+	bit UNAFFECTED_BY_WEAKNESS_RESISTANCE_F, d
+	res UNAFFECTED_BY_WEAKNESS_RESISTANCE_F, d
+	jr nz, .not_resistant
+
+; handle weakness
+	call GetArenaCardColor
+	call TranslateColorToWR
+	ld b, a
+	call SwapTurn
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a
+	jr nz, .bench_weak
+	ld a, DUELVARS_ARENA_CARD_CHANGED_WEAKNESS
+	call GetTurnDuelistVariable
+	or a
+	jr nz, .unchanged_weak
+
+.bench_weak
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call LoadCardDataToBuffer2_FromDeckIndex
+	ld a, [wLoadedCard2Weakness]
+.unchanged_weak
+	and b
+	jr z, .not_weak
+	; double de
+	sla e
+	rl d
+
+.not_weak
+; handle resistance
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a
+	jr nz, .bench_res
+	ld a, DUELVARS_ARENA_CARD_CHANGED_RESISTANCE
+	call GetTurnDuelistVariable
+	or a
+	jr nz, .unchanged_res
+
+.bench_res
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call LoadCardDataToBuffer2_FromDeckIndex
+	ld a, [wLoadedCard2Resistance]
+.unchanged_res
+	and b
+	jr z, .not_resistant
+	ld hl, -30
+	add hl, de
+	ld e, l
+	ld d, h
+
+.not_resistant
+	; apply pluspower and defender boosts
+	call SwapTurn
+	ld b, CARD_LOCATION_ARENA
+	call ApplyAttachedPluspower
+	call SwapTurn
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add CARD_LOCATION_ARENA
+	ld b, a
+	call ApplyAttachedDefender
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a
+	call z, HandleDamageReduction
+	bit 7, d
+	jr z, .no_underflow
+	ld de, $0
+
+.no_underflow
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a
+	jr nz, .done
+	ld a, DUELVARS_ARENA_CARD_STATUS
+	call GetTurnDuelistVariable
+	and DOUBLE_POISONED
+	jr z, .done
+	ld c, 40
+	and DOUBLE_POISONED & (POISONED ^ $ff)
+	jr nz, .add_poison
+	ld c, 20
+.add_poison
+	ld a, c
+	add e
+	ld e, a
+	ld a, $00
+	adc d
+	ld d, a
+
+.done
+	pop hl
+	ld [hl], e
+	ld a, d
+	or a
+	ret z
+	ld a, $ff
+	ld [hl], a
+	ret
diff --git a/src/engine/ai/decks/unreferenced.asm b/src/engine/ai/decks/unreferenced.asm
index 3cd56c3..8722a27 100644
--- a/src/engine/ai/decks/unreferenced.asm
+++ b/src/engine/ai/decks/unreferenced.asm
@@ -1,42 +1,42 @@
-AIActionTable_Unreferenced: ; 1406a (5:406a)
-	dw $406c
-	dw .do_turn
-	dw .do_turn
-	dw .star_duel
-	dw .forced_switch
-	dw .ko_switch
-	dw .take_prize
-
-.do_turn
-	call AIDecidePlayPokemonCard
-	call AIDecideWhetherToRetreat
-	jr nc, .try_attack
-	call AIDecideBenchPokemonToSwitchTo
-	call AITryToRetreat
-	call AIDecideWhetherToRetreat
-	jr nc, .try_attack
-	call AIDecideBenchPokemonToSwitchTo
-	call AITryToRetreat
-.try_attack
-	call AIProcessAndTryToPlayEnergy
-	call AIProcessAndTryToUseAttack
-	ret c
-	ld a, OPPACTION_FINISH_NO_ATTACK
-	bank1call AIMakeDecision
-	ret
-
-.star_duel
-	call AIPlayInitialBasicCards
-	ret
-
-.forced_switch
-	call AIDecideBenchPokemonToSwitchTo
-	ret
-
-.ko_switch
-	call AIDecideBenchPokemonToSwitchTo
-	ret
-
-.take_prize
-	call AIPickPrizeCards
-	ret
+AIActionTable_Unreferenced: ; 1406a (5:406a)
+	dw $406c
+	dw .do_turn
+	dw .do_turn
+	dw .star_duel
+	dw .forced_switch
+	dw .ko_switch
+	dw .take_prize
+
+.do_turn
+	call AIDecidePlayPokemonCard
+	call AIDecideWhetherToRetreat
+	jr nc, .try_attack
+	call AIDecideBenchPokemonToSwitchTo
+	call AITryToRetreat
+	call AIDecideWhetherToRetreat
+	jr nc, .try_attack
+	call AIDecideBenchPokemonToSwitchTo
+	call AITryToRetreat
+.try_attack
+	call AIProcessAndTryToPlayEnergy
+	call AIProcessAndTryToUseAttack
+	ret c
+	ld a, OPPACTION_FINISH_NO_ATTACK
+	bank1call AIMakeDecision
+	ret
+
+.star_duel
+	call AIPlayInitialBasicCards
+	ret
+
+.forced_switch
+	call AIDecideBenchPokemonToSwitchTo
+	ret
+
+.ko_switch
+	call AIDecideBenchPokemonToSwitchTo
+	ret
+
+.take_prize
+	call AIPickPrizeCards
+	ret
diff --git a/src/engine/ai/energy.asm b/src/engine/ai/energy.asm
index af1aa32..ce8c037 100644
--- a/src/engine/ai/energy.asm
+++ b/src/engine/ai/energy.asm
@@ -1,1048 +1,1048 @@
-; processes AI energy card playing logic
-; with AI_ENERGY_FLAG_DONT_PLAY flag on
-; unreferenced
-Func_16488: ; 16488 (5:6488)
-	ld a, AI_ENERGY_FLAG_DONT_PLAY
-	ld [wAIEnergyAttachLogicFlags], a
-	ld de, wTempPlayAreaAIScore
-	ld hl, wPlayAreaAIScore
-	ld b, MAX_PLAY_AREA_POKEMON
-.loop
-	ld a, [hli]
-	ld [de], a
-	inc de
-	dec b
-	jr nz, .loop
-	ld a, [wAIScore]
-	ld [de], a
-	jr AIProcessAndTryToPlayEnergy.has_logic_flags
-
-; have AI choose an energy card to play, but do not play it.
-; does not consider whether the cards have evolutions to be played.
-; return carry if an energy card is chosen to use in any Play Area card,
-; and if so, return its Play Area location in hTempPlayAreaLocation_ff9d.
-AIProcessButDontPlayEnergy_SkipEvolution: ; 164a1 (5:64a1)
-	ld a, AI_ENERGY_FLAG_DONT_PLAY | AI_ENERGY_FLAG_SKIP_EVOLUTION
-	ld [wAIEnergyAttachLogicFlags], a
-
-; backup wPlayAreaAIScore in wTempPlayAreaAIScore.
-	ld de, wTempPlayAreaAIScore
-	ld hl, wPlayAreaAIScore
-	ld b, MAX_PLAY_AREA_POKEMON
-.loop
-	ld a, [hli]
-	ld [de], a
-	inc de
-	dec b
-	jr nz, .loop
-
-	ld a, [wAIScore]
-	ld [de], a
-
-	jr AIProcessEnergyCards
-
-; have AI choose an energy card to play, but do not play it.
-; does not consider whether the cards have evolutions to be played.
-; return carry if an energy card is chosen to use in any Bench card,
-; and if so, return its Play Area location in hTempPlayAreaLocation_ff9d.
-AIProcessButDontPlayEnergy_SkipEvolutionAndArena: ; 164ba (5:64ba)
-	ld a, AI_ENERGY_FLAG_DONT_PLAY | AI_ENERGY_FLAG_SKIP_EVOLUTION | AI_ENERGY_FLAG_SKIP_ARENA_CARD
-	ld [wAIEnergyAttachLogicFlags], a
-
-; backup wPlayAreaAIScore in wTempPlayAreaAIScore.
-	ld de, wTempPlayAreaAIScore
-	ld hl, wPlayAreaAIScore
-	ld b, MAX_PLAY_AREA_POKEMON
-.loop
-	ld a, [hli]
-	ld [de], a
-	inc de
-	dec b
-	jr nz, .loop
-
-	ld a, [wAIScore]
-	ld [de], a
-
-	jr AIProcessEnergyCards
-
-; copies wTempPlayAreaAIScore to wPlayAreaAIScore
-; and loads wAIScore with value in wTempAIScore.
-; identical to RetrievePlayAreaAIScoreFromBackup2.
-RetrievePlayAreaAIScoreFromBackup1: ; 164d3 (5:64d3)
-	push af
-	ld de, wPlayAreaAIScore
-	ld hl, wTempPlayAreaAIScore
-	ld b, MAX_PLAY_AREA_POKEMON
-.loop
-	ld a, [hli]
-	ld [de], a
-	inc de
-	dec b
-	jr nz, .loop
-	ld a, [hl]
-	ld [wAIScore], a
-	pop af
-	ret
-
-; have AI decide whether to play energy card from hand
-; and determine which card is best to attach it.
-AIProcessAndTryToPlayEnergy: ; 164e8 (5:64e8)
-	xor a
-	ld [wAIEnergyAttachLogicFlags], a
-
-.has_logic_flags
-	call CreateEnergyCardListFromHand
-	jr nc, AIProcessEnergyCards
-
-; no energy
-	ld a, [wAIEnergyAttachLogicFlags]
-	or a
-	jr z, .exit
-	jp RetrievePlayAreaAIScoreFromBackup1
-.exit
-	or a
-	ret
-
-; have AI decide whether to play energy card
-; and determine which card is best to attach it.
-AIProcessEnergyCards: ; 164fc (5:64fc)
-; initialize Play Area AI score
-	ld a, $80
-	ld b, MAX_PLAY_AREA_POKEMON
-	ld hl, wPlayAreaEnergyAIScore
-.loop
-	ld [hli], a
-	dec b
-	jr nz, .loop
-
-; Legendary Articuno Deck has its own energy card logic
-	call HandleLegendaryArticunoEnergyScoring
-
-; start the main Play Area loop
-	ld b, PLAY_AREA_ARENA
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	ld c, a
-
-.loop_play_area
-	push bc
-	ld a, b
-	ldh [hTempPlayAreaLocation_ff9d], a
-	ld a, $80
-	ld [wAIScore], a
-	ld a, $ff
-	ld [wTempAI], a
-	ld a, [wAIEnergyAttachLogicFlags]
-	and AI_ENERGY_FLAG_SKIP_EVOLUTION
-	jr nz, .check_venusaur
-
-; check if energy needed is found in hand
-; and if there's an evolution in hand or deck
-; and if so, add to AI score
-	call CreateHandCardList
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	ld [wCurCardCanAttack], a
-	call GetAttacksEnergyCostBits
-	ld hl, wDuelTempList
-	call CheckEnergyFlagsNeededInList
-	jp nc, .store_score
-	ld a, [wCurCardCanAttack]
-	call CheckForEvolutionInList
-	jr nc, .no_evolution_in_hand
-	ld [wTempAI], a ; store evolution card found
-	ld a, 2
-	call AddToAIScore
-	jr .check_venusaur
-
-.no_evolution_in_hand
-	ld a, [wCurCardCanAttack]
-	call CheckForEvolutionInDeck
-	jr nc, .check_venusaur
-	ld a, 1
-	call AddToAIScore
-
-; if there's no Muk in any Play Area
-; and there's Venusaur2 in own Play Area,
-; add to AI score
-.check_venusaur
-	ld a, MUK
-	call CountPokemonIDInBothPlayAreas
-	jr c, .check_if_active
-	ld a, VENUSAUR2
-	call CountPokemonIDInPlayArea
-	jr nc, .check_if_active
-	ld a, 1
-	call AddToAIScore
-
-.check_if_active
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a
-	jr nz, .bench
-
-; arena
-	ld a, [wAIBarrierFlagCounter]
-	bit AI_MEWTWO_MILL_F, a
-	jr z, .add_to_score
-
-; subtract from score instead
-; if Player is running Mewtwo1 mill deck.
-	ld a, 5
-	call SubFromAIScore
-	jr .check_defending_can_ko
-
-.add_to_score
-	ld a, 4
-	call AddToAIScore
-
-; lower AI score if poison/double poison
-; will KO Pokémon between turns
-; or if the defending Pokémon can KO
-	ld a, DUELVARS_ARENA_CARD_HP
-	call GetTurnDuelistVariable
-	call CalculateByteTensDigit
-	cp 3
-	jr nc, .check_defending_can_ko
-	; hp < 30
-	cp 2
-	jr z, .has_20_hp
-	; hp = 10
-	ld a, DUELVARS_ARENA_CARD_STATUS
-	call GetTurnDuelistVariable
-	and POISONED
-	jr z, .check_defending_can_ko
-	jr .poison_will_ko
-.has_20_hp
-	ld a, DUELVARS_ARENA_CARD_STATUS
-	call GetTurnDuelistVariable
-	and DOUBLE_POISONED
-	jr z, .check_defending_can_ko
-.poison_will_ko
-	ld a, 10
-	call SubFromAIScore
-	jr .check_bench
-.check_defending_can_ko
-	call CheckIfDefendingPokemonCanKnockOut
-	jr nc, .ai_score_bonus
-	ld a, 10
-	call SubFromAIScore
-
-; if either poison will KO or defending Pokémon can KO,
-; check if there are bench Pokémon,
-; if there are not, add AI score
-.check_bench
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	dec a
-	jr nz, .ai_score_bonus
-	ld a, 6
-	call AddToAIScore
-	jr .ai_score_bonus
-
-; lower AI score by 3 - (bench HP)/10
-; if bench HP < 30
-.bench
-	add DUELVARS_ARENA_CARD_HP
-	call GetTurnDuelistVariable
-	call CalculateByteTensDigit
-	cp 3
-	jr nc, .ai_score_bonus
-; hp < 30
-	ld b, a
-	ld a, 3
-	sub b
-	call SubFromAIScore
-
-; check list in wAICardListEnergyBonus
-.ai_score_bonus
-	ld a, [wAICardListEnergyBonus + 1]
-	or a
-	jr z, .check_boss_deck ; is null
-	ld h, a
-	ld a, [wAICardListEnergyBonus]
-	ld l, a
-
-	push hl
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call GetCardIDFromDeckIndex
-	pop hl
-
-.loop_id_list
-	ld a, [hli]
-	or a
-	jr z, .check_boss_deck
-	cp e
-	jr nz, .next_id
-
-	; number of attached energy cards
-	ld a, [hli]
-	ld d, a
-	push de
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	ld e, a
-	call GetPlayAreaCardAttachedEnergies
-	ld a, [wTotalAttachedEnergies]
-	pop de
-	cp d
-	jr c, .check_id_score
-	; already reached target number of energy cards
-	ld a, 10
-	call SubFromAIScore
-	jr .store_score
-
-.check_id_score
-	ld a, [hli]
-	cp $80
-	jr c, .decrease_score_1
-	sub $80
-	call AddToAIScore
-	jr .check_boss_deck
-
-.decrease_score_1
-	ld d, a
-	ld a, $80
-	sub d
-	call SubFromAIScore
-	jr .check_boss_deck
-
-.next_id
-	inc hl
-	inc hl
-	jr .loop_id_list
-
-; if it's a boss deck, call Func_174f2
-; and apply to the AI score the values
-; determined for this card
-.check_boss_deck
-	call CheckIfNotABossDeckID
-	jr c, .skip_boss_deck
-
-	call Func_174f2
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	ld c, a
-	ld b, $00
-	ld hl, wPlayAreaEnergyAIScore
-	add hl, bc
-	ld a, [hl]
-	cp $80
-	jr c, .decrease_score_2
-	sub $80
-	call AddToAIScore
-	jr .skip_boss_deck
-
-.decrease_score_2
-	ld b, a
-	ld a, $80
-	sub b
-	call SubFromAIScore
-
-.skip_boss_deck
-	ld a, 1
-	call AddToAIScore
-
-; add AI score for both attacks,
-; according to their energy requirements.
-	xor a ; first attack
-	call DetermineAIScoreOfAttackEnergyRequirement
-	ld a, SECOND_ATTACK
-	call DetermineAIScoreOfAttackEnergyRequirement
-
-; store bench score for this card.
-.store_score
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	ld c, a
-	ld b, $00
-	ld hl, wPlayAreaAIScore
-	add hl, bc
-	ld a, [wAIScore]
-	ld [hl], a
-	pop bc
-	inc b
-	dec c
-	jp nz, .loop_play_area
-
-; the Play Area loop is over and the score
-; for each card has been calculated.
-; now to determine the highest score.
-	call FindPlayAreaCardWithHighestAIScore
-	jp nc, .not_found
-
-	ld a, [wAIEnergyAttachLogicFlags]
-	or a
-	jr z, .play_card
-	scf
-	jp RetrievePlayAreaAIScoreFromBackup1
-
-.play_card
-	call CreateEnergyCardListFromHand
-	jp AITryToPlayEnergyCard
-
-.not_found: ; 1668a (5:668a)
-	ld a, [wAIEnergyAttachLogicFlags]
-	or a
-	jr z, .no_carry
-	jp RetrievePlayAreaAIScoreFromBackup1
-.no_carry
-	or a
-	ret
-
-; checks score related to selected attack,
-; in order to determine whether to play energy card.
-; the AI score is increased/decreased accordingly.
-; input:
-;	[wSelectedAttack] = attack to check.
-DetermineAIScoreOfAttackEnergyRequirement: ; 16695 (5:6695)
-	ld [wSelectedAttack], a
-	call CheckEnergyNeededForAttack
-	jp c, .not_enough_energy
-	ld a, ATTACK_FLAG2_ADDRESS | ATTACHED_ENERGY_BOOST_F
-	call CheckLoadedAttackFlag
-	jr c, .attached_energy_boost
-	ld a, ATTACK_FLAG2_ADDRESS | DISCARD_ENERGY_F
-	call CheckLoadedAttackFlag
-	jr c, .discard_energy
-	jp .check_evolution
-
-.attached_energy_boost
-	ld a, [wLoadedAttackEffectParam]
-	cp MAX_ENERGY_BOOST_IS_LIMITED
-	jr z, .check_surplus_energy
-
-	; is MAX_ENERGY_BOOST_IS_NOT_LIMITED,
-	; which is equal to 3, add to score.
-	call AddToAIScore
-	jp .check_evolution
-
-.check_surplus_energy
-	call CheckIfNoSurplusEnergyForAttack
-	jr c, .asm_166cd
-	cp 3 ; check how much surplus energy
-	jr c, .asm_166cd
-
-.asm_166c5
-	ld a, 5
-	call SubFromAIScore
-	jp .check_evolution
-
-.asm_166cd
-	ld a, 2
-	call AddToAIScore
-
-; check whether attack has ATTACHED_ENERGY_BOOST flag
-; and add to AI score if attaching another energy
-; will KO defending Pokémon.
-; add more to score if this is currently active Pokémon.
-	ld a, ATTACK_FLAG2_ADDRESS | ATTACHED_ENERGY_BOOST_F
-	call CheckLoadedAttackFlag
-	jp nc, .check_evolution
-	ld a, [wSelectedAttack]
-	call EstimateDamage_VersusDefendingCard
-	ld a, DUELVARS_ARENA_CARD_HP
-	call GetNonTurnDuelistVariable
-	ld hl, wDamage
-	sub [hl]
-	jp c, .check_evolution
-	jp z, .check_evolution
-	ld a, [wDamage]
-	add 10 ; boost gained by attaching another energy card
-	ld b, a
-	ld a, DUELVARS_ARENA_CARD_HP
-	call GetNonTurnDuelistVariable
-	sub b
-	jr c, .attaching_kos_player
-	jr nz, .check_evolution
-
-.attaching_kos_player
-	ld a, 20
-	call AddToAIScore
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a
-	jr nz, .check_evolution
-	ld a, 10
-	call AddToAIScore
-	jr .check_evolution
-
-; checks if there is surplus energy for attack
-; that discards attached energy card.
-; if current card is Zapdos2, don't add to score.
-; if there is no surplus energy, encourage playing energy.
-.discard_energy
-	ld a, [wLoadedCard1ID]
-	cp ZAPDOS2
-	jr z, .check_evolution
-	call CheckIfNoSurplusEnergyForAttack
-	jr c, .asm_166cd
-	jr .asm_166c5
-
-.not_enough_energy
-	ld a, ATTACK_FLAG2_ADDRESS | FLAG_2_BIT_5_F
-	call CheckLoadedAttackFlag
-	jr nc, .check_color_needed
-	ld a, 5
-	call SubFromAIScore
-
-; if the energy card color needed is in hand, increase AI score.
-; if a colorless card is needed, increase AI score.
-.check_color_needed
-	ld a, b
-	or a
-	jr z, .check_colorless_needed
-	ld a, e
-	call LookForCardIDInHand
-	jr c, .check_colorless_needed
-	ld a, 4
-	call AddToAIScore
-	jr .check_total_needed
-.check_colorless_needed
-	ld a, c
-	or a
-	jr z, .check_evolution
-	ld a, 3
-	call AddToAIScore
-
-; if only one energy card is needed for attack,
-; encourage playing energy card.
-.check_total_needed
-	ld a, b
-	add c
-	dec a
-	jr nz, .check_evolution
-	ld a, 3
-	call AddToAIScore
-
-; if the attack KOs player and this is the active card, add to AI score.
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a
-	jr nz, .check_evolution
-	ld a, [wSelectedAttack]
-	call EstimateDamage_VersusDefendingCard
-	ld a, DUELVARS_ARENA_CARD_HP
-	call GetNonTurnDuelistVariable
-	ld hl, wDamage
-	sub [hl]
-	jr z, .atk_kos_defending
-	jr nc, .check_evolution
-.atk_kos_defending
-	ld a, 20
-	call AddToAIScore
-
-; this is possibly a bug.
-; this is an identical check as above to test whether this card is active.
-; in case it is active, the score gets added 10 more points,
-; in addition to the 20 points already added above.
-; what was probably intended was to add 20 points
-; plus 10 in case it is the Arena card.
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a
-	jr nz, .check_evolution
-	ld a, 10
-	call AddToAIScore
-
-.check_evolution
-	ld a, [wTempAI] ; evolution in hand
-	cp $ff
-	ret z
-
-; temporarily replace this card with evolution in hand.
-	ld b, a
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	push af
-	ld [hl], b
-
-; check for energy still needed for evolution to attack.
-; if FLAG_2_BIT_5 is not set, check what color is needed.
-; if the energy card color needed is in hand, increase AI score.
-; if a colorless card is needed, increase AI score.
-	call CheckEnergyNeededForAttack
-	jr nc, .done
-	ld a, ATTACK_FLAG2_ADDRESS | FLAG_2_BIT_5_F
-	call CheckLoadedAttackFlag
-	jr c, .done
-	ld a, b
-	or a
-	jr z, .check_colorless_needed_evo
-	ld a, e
-	call LookForCardIDInHand
-	jr c, .check_colorless_needed_evo
-	ld a, 2
-	call AddToAIScore
-	jr .done
-.check_colorless_needed_evo
-	ld a, c
-	or a
-	jr z, .done
-	ld a, 1
-	call AddToAIScore
-
-; recover the original card in the Play Area location.
-.done
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	pop af
-	ld [hl], a
-	ret
-
-; returns in hTempPlayAreaLocation_ff9d the Play Area location
-; of the card with the highest Play Area AI score, unless
-; the highest score is below $85.
-; if it succeeds in return a card location, set carry.
-; if AI_ENERGY_FLAG_SKIP_ARENA_CARD is set in wAIEnergyAttachLogicFlags
-; doesn't include the Arena card and there's no minimum score.
-FindPlayAreaCardWithHighestAIScore: ; 167b5 (5:67b5)
-	ld a, [wAIEnergyAttachLogicFlags]
-	and AI_ENERGY_FLAG_SKIP_ARENA_CARD
-	jr nz, .only_bench
-
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	ld b, a
-	ld c, PLAY_AREA_ARENA
-	ld e, c
-	ld d, c
-	ld hl, wPlayAreaAIScore
-; find highest Play Area AI score.
-.loop_1
-	ld a, [hli]
-	cp e
-	jr c, .next_1
-	jr z, .next_1
-	ld e, a ; overwrite highest score found
-	ld d, c ; overwrite Play Area of highest score
-.next_1
-	inc c
-	dec b
-	jr nz, .loop_1
-
-; if highest AI score is below $85, return no carry.
-; else, store Play Area location and return carry.
-	ld a, e
-	cp $85
-	jr c, .not_enough_score
-	ld a, d
-	ldh [hTempPlayAreaLocation_ff9d], a
-	scf
-	ret
-.not_enough_score
-	or a
-	ret
-
-; same as above but only check bench Pokémon scores.
-.only_bench
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	dec a
-	jr z, .no_carry
-
-	ld b, a
-	ld e, 0
-	ld c, PLAY_AREA_BENCH_1
-	ld d, c
-	ld hl, wPlayAreaAIScore + 1
-.loop_2
-	ld a, [hli]
-	cp e
-	jr c, .next_2
-	jr z, .next_2
-	ld e, a ; overwrite highest score found
-	ld d, c ; overwrite Play Area of highest score
-.next_2
-	inc c
-	dec b
-	jr nz, .loop_2
-
-; in this case, there is no minimum threshold AI score.
-	ld a, d
-	ldh [hTempPlayAreaLocation_ff9d], a
-	scf
-	ret
-.no_carry
-	or a
-	ret
-
-; returns carry if there's an evolution card
-; that can evolve card in hTempPlayAreaLocation_ff9d,
-; and that card needs energy to use wSelectedAttack.
-CheckIfEvolutionNeedsEnergyForAttack: ; 16805 (5:6805)
-	call CreateHandCardList
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call CheckCardEvolutionInHandOrDeck
-	jr c, .has_evolution
-	or a
-	ret
-
-.has_evolution
-	ld b, a
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	push af
-	ld [hl], b
-	call CheckEnergyNeededForAttack
-	jr c, .not_enough_energy
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	pop af
-	ld [hl], a
-	or a
-	ret
-
-.not_enough_energy
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	pop af
-	ld [hl], a
-	scf
-	ret
-
-; returns in e the card ID of the energy required for
-; the Discard/Energy Boost attack loaded in wSelectedAttack.
-; if it's Zapdos2's Thunderbolt attack, return no carry.
-; if it's Charizard's Fire Spin or Exeggutor's Big Eggsplosion
-; attack, don't return energy card ID, but set carry.
-; output:
-;	b = 1 if needs color energy, 0 otherwise;
-;	c = 1 if only needs colorless energy, 0 otherwise;
-;	carry set if not Zapdos2's Thunderbolt attack.
-GetEnergyCardForDiscardOrEnergyBoostAttack: ; 1683b (5:683b)
-; load card ID and check selected attack index.
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call LoadCardDataToBuffer2_FromDeckIndex
-	ld b, a
-	ld a, [wSelectedAttack]
-	or a
-	jr z, .first_attack
-
-; check if second attack is Zapdos2's Thunderbolt,
-; Charizard's Fire Spin or Exeggutor's Big Eggsplosion,
-; for these to be treated differently.
-; for both attacks, load its energy cost.
-	ld a, b
-	cp ZAPDOS2
-	jr z, .zapdos2
-	cp CHARIZARD
-	jr z, .charizard_or_exeggutor
-	cp EXEGGUTOR
-	jr z, .charizard_or_exeggutor
-	ld hl, wLoadedCard2Atk2EnergyCost
-	jr .fire
-.first_attack
-	ld hl, wLoadedCard2Atk1EnergyCost
-
-; check which energy color the attack requires,
-; and load in e the card ID of corresponding energy card,
-; then return carry flag set.
-.fire
-	ld a, [hli]
-	ld b, a
-	and $f0
-	jr z, .grass
-	ld e, FIRE_ENERGY
-	jr .set_carry
-.grass
-	ld a, b
-	and $0f
-	jr z, .lightning
-	ld e, GRASS_ENERGY
-	jr .set_carry
-.lightning
-	ld a, [hli]
-	ld b, a
-	and $f0
-	jr z, .water
-	ld e, LIGHTNING_ENERGY
-	jr .set_carry
-.water
-	ld a, b
-	and $0f
-	jr z, .fighting
-	ld e, WATER_ENERGY
-	jr .set_carry
-.fighting
-	ld a, [hli]
-	ld b, a
-	and $f0
-	jr z, .psychic
-	ld e, FIGHTING_ENERGY
-	jr .set_carry
-.psychic
-	ld e, PSYCHIC_ENERGY
-
-.set_carry
-	lb bc, $01, $00
-	scf
-	ret
-
-; for Zapdos2's Thunderbolt attack, return with no carry.
-.zapdos2
-	or a
-	ret
-
-; Charizard's Fire Spin and Exeggutor's Big Eggsplosion,
-; return carry.
-.charizard_or_exeggutor
-	lb bc, $00, $01
-	scf
-	ret
-
-; called after the AI has decided which card to attach
-; energy from hand. AI does checks to determine whether
-; this card needs more energy or not, and chooses the
-; right energy card to play. If the card is played,
-; return with carry flag set.
-AITryToPlayEnergyCard: ; 1689f (5:689f)
-; check if energy cards are still needed for attacks.
-; if first attack doesn't need, test for the second attack.
-	xor a
-	ld [wTempAI], a
-	ld [wSelectedAttack], a
-	call CheckEnergyNeededForAttack
-	jr nc, .second_attack
-	ld a, b
-	or a
-	jr nz, .check_deck
-	ld a, c
-	or a
-	jr nz, .check_deck
-
-.second_attack
-	ld a, SECOND_ATTACK
-	ld [wSelectedAttack], a
-	call CheckEnergyNeededForAttack
-	jr nc, .check_discard_or_energy_boost
-	ld a, b
-	or a
-	jr nz, .check_deck
-	ld a, c
-	or a
-	jr nz, .check_deck
-
-; neither attack needs energy cards to be used.
-; check whether these attacks can be given
-; extra energy cards for their effects.
-.check_discard_or_energy_boost
-	ld a, $01
-	ld [wTempAI], a
-
-; for both attacks, check if it has the effect of
-; discarding energy cards or attached energy boost.
-	xor a ; FIRST_ATTACK_OR_PKMN_POWER
-	ld [wSelectedAttack], a
-	call CheckEnergyNeededForAttack
-	ld a, ATTACK_FLAG2_ADDRESS | ATTACHED_ENERGY_BOOST_F
-	call CheckLoadedAttackFlag
-	jr c, .energy_boost_or_discard_energy
-	ld a, ATTACK_FLAG2_ADDRESS | DISCARD_ENERGY_F
-	call CheckLoadedAttackFlag
-	jr c, .energy_boost_or_discard_energy
-
-	ld a, SECOND_ATTACK
-	ld [wSelectedAttack], a
-	call CheckEnergyNeededForAttack
-	ld a, ATTACK_FLAG2_ADDRESS | ATTACHED_ENERGY_BOOST_F
-	call CheckLoadedAttackFlag
-	jr c, .energy_boost_or_discard_energy
-	ld a, ATTACK_FLAG2_ADDRESS | DISCARD_ENERGY_F
-	call CheckLoadedAttackFlag
-	jr c, .energy_boost_or_discard_energy
-
-; if none of the attacks have those flags, do an additional
-; check to ascertain whether evolution card needs energy
-; to use second attack. Return if all these checks fail.
-	call CheckIfEvolutionNeedsEnergyForAttack
-	ret nc
-	call CreateEnergyCardListFromHand
-	jr .check_deck
-
-; for attacks that discard energy or get boost for
-; additional energy cards, get the energy card ID required by attack.
-; if it's Zapdos2's Thunderbolt attack, return.
-.energy_boost_or_discard_energy
-	call GetEnergyCardForDiscardOrEnergyBoostAttack
-	ret nc
-
-; some decks allow basic Pokémon to be given double colorless
-; in anticipation for evolution, so play card if that is the case.
-.check_deck
-	call CheckSpecificDecksToAttachDoubleColorless
-	jr c, .play_energy_card
-
-	ld a, b
-	or a
-	jr z, .colorless_energy
-
-; in this case, Pokémon needs a specific basic energy card.
-; look for basic energy card needed in hand and play it.
-	ld a, e
-	call LookForCardIDInHand
-	ldh [hTemp_ffa0], a
-	jr nc, .play_energy_card
-
-; in this case Pokémon just needs colorless (any basic energy card).
-; if active card, check if it needs 2 colorless.
-; if it does (and also doesn't additionally need a color energy),
-; look for double colorless card in hand and play it if found.
-.colorless_energy
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a
-	jr nz, .look_for_any_energy
-	ld a, c
-	or a
-	jr z, .check_if_done
-	cp 2
-	jr nz, .look_for_any_energy
-
-	; needs two colorless
-	ld hl, wDuelTempList
-.loop_1
-	ld a, [hli]
-	cp $ff
-	jr z, .look_for_any_energy
-	ldh [hTemp_ffa0], a
-	call GetCardIDFromDeckIndex
-	ld a, e
-	cp DOUBLE_COLORLESS_ENERGY
-	jr nz, .loop_1
-	jr .play_energy_card
-
-; otherwise, look for any card and play it.
-; if it's a boss deck, only play double colorless in this situation.
-.look_for_any_energy
-	ld hl, wDuelTempList
-	call CountCardsInDuelTempList
-	call ShuffleCards
-.loop_2
-	ld a, [hli]
-	cp $ff
-	jr z, .check_if_done
-	call CheckIfOpponentHasBossDeckID
-	jr nc, .load_card
-	push af
-	call GetCardIDFromDeckIndex
-	ld a, e
-	cp DOUBLE_COLORLESS_ENERGY
-	pop bc
-	jr z, .loop_2
-	ld a, b
-.load_card
-	ldh [hTemp_ffa0], a
-
-; plays energy card loaded in hTemp_ffa0 and sets carry flag.
-.play_energy_card
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	ldh [hTempPlayAreaLocation_ffa1], a
-	ld a, OPPACTION_PLAY_ENERGY
-	bank1call AIMakeDecision
-	scf
-	ret
-
-; wTempAI is 1 if the attack had a Discard/Energy Boost effect,
-; and 0 otherwise. If 1, then return. If not one, check if
-; there is still a second attack to check.
-.check_if_done
-	ld a, [wTempAI]
-	or a
-	jr z, .check_first_attack
-	ret
-.check_first_attack
-	ld a, [wSelectedAttack]
-	or a
-	jp z, .second_attack
-	ret
-
-; check if playing certain decks so that AI can decide whether to play
-; double colorless to some specific cards.
-; these are cards that do not need double colorless to any of their attacks
-; but are required by their evolutions.
-; return carry if there's a double colorless in hand to attach
-; and it's one of the card IDs from these decks.
-; output:
-;	[hTemp_ffa0] = card index of double colorless in hand;
-;	carry set if can play energy card.
-CheckSpecificDecksToAttachDoubleColorless: ; 1696e (5:696e)
-	push bc
-	push de
-	push hl
-
-; check if AI is playing any of the applicable decks.
-	ld a, [wOpponentDeckID]
-	cp LEGENDARY_DRAGONITE_DECK_ID
-	jr z, .legendary_dragonite_deck
-	cp FIRE_CHARGE_DECK_ID
-	jr z, .fire_charge_deck
-	cp LEGENDARY_RONALD_DECK_ID
-	jr z, .legendary_ronald_deck
-
-.no_carry
-	pop hl
-	pop de
-	pop bc
-	or a
-	ret
-
-; if playing Legendary Dragonite deck,
-; check for Charmander and Dratini.
-.legendary_dragonite_deck
-	call .get_id
-	cp CHARMANDER
-	jr z, .check_colorless_attached
-	cp DRATINI
-	jr z, .check_colorless_attached
-	jr .no_carry
-
-; if playing Fire Charge deck,
-; check for Growlithe.
-.fire_charge_deck
-	call .get_id
-	cp GROWLITHE
-	jr z, .check_colorless_attached
-	jr .no_carry
-
-; if playing Legendary Ronald deck,
-; check for Dratini.
-.legendary_ronald_deck
-	call .get_id
-	cp DRATINI
-	jr z, .check_colorless_attached
-	jr .no_carry
-
-; check if card has any colorless energy cards attached,
-; and if there are any, return no carry.
-.check_colorless_attached
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	ld e, a
-	call GetPlayAreaCardAttachedEnergies
-	ld a, [wAttachedEnergies + COLORLESS]
-	or a
-	jr nz, .no_carry
-
-; card has no colorless energy, so look for double colorless
-; in hand and if found, return carry and its card index.
-	ld a, DOUBLE_COLORLESS_ENERGY
-	call LookForCardIDInHand
-	jr c, .no_carry
-	ldh [hTemp_ffa0], a
-	pop hl
-	pop de
-	pop bc
-	scf
-	ret
-
-.get_id:
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call GetCardIDFromDeckIndex
-	ld a, e
-	ret
+; processes AI energy card playing logic
+; with AI_ENERGY_FLAG_DONT_PLAY flag on
+; unreferenced
+Func_16488: ; 16488 (5:6488)
+	ld a, AI_ENERGY_FLAG_DONT_PLAY
+	ld [wAIEnergyAttachLogicFlags], a
+	ld de, wTempPlayAreaAIScore
+	ld hl, wPlayAreaAIScore
+	ld b, MAX_PLAY_AREA_POKEMON
+.loop
+	ld a, [hli]
+	ld [de], a
+	inc de
+	dec b
+	jr nz, .loop
+	ld a, [wAIScore]
+	ld [de], a
+	jr AIProcessAndTryToPlayEnergy.has_logic_flags
+
+; have AI choose an energy card to play, but do not play it.
+; does not consider whether the cards have evolutions to be played.
+; return carry if an energy card is chosen to use in any Play Area card,
+; and if so, return its Play Area location in hTempPlayAreaLocation_ff9d.
+AIProcessButDontPlayEnergy_SkipEvolution: ; 164a1 (5:64a1)
+	ld a, AI_ENERGY_FLAG_DONT_PLAY | AI_ENERGY_FLAG_SKIP_EVOLUTION
+	ld [wAIEnergyAttachLogicFlags], a
+
+; backup wPlayAreaAIScore in wTempPlayAreaAIScore.
+	ld de, wTempPlayAreaAIScore
+	ld hl, wPlayAreaAIScore
+	ld b, MAX_PLAY_AREA_POKEMON
+.loop
+	ld a, [hli]
+	ld [de], a
+	inc de
+	dec b
+	jr nz, .loop
+
+	ld a, [wAIScore]
+	ld [de], a
+
+	jr AIProcessEnergyCards
+
+; have AI choose an energy card to play, but do not play it.
+; does not consider whether the cards have evolutions to be played.
+; return carry if an energy card is chosen to use in any Bench card,
+; and if so, return its Play Area location in hTempPlayAreaLocation_ff9d.
+AIProcessButDontPlayEnergy_SkipEvolutionAndArena: ; 164ba (5:64ba)
+	ld a, AI_ENERGY_FLAG_DONT_PLAY | AI_ENERGY_FLAG_SKIP_EVOLUTION | AI_ENERGY_FLAG_SKIP_ARENA_CARD
+	ld [wAIEnergyAttachLogicFlags], a
+
+; backup wPlayAreaAIScore in wTempPlayAreaAIScore.
+	ld de, wTempPlayAreaAIScore
+	ld hl, wPlayAreaAIScore
+	ld b, MAX_PLAY_AREA_POKEMON
+.loop
+	ld a, [hli]
+	ld [de], a
+	inc de
+	dec b
+	jr nz, .loop
+
+	ld a, [wAIScore]
+	ld [de], a
+
+	jr AIProcessEnergyCards
+
+; copies wTempPlayAreaAIScore to wPlayAreaAIScore
+; and loads wAIScore with value in wTempAIScore.
+; identical to RetrievePlayAreaAIScoreFromBackup2.
+RetrievePlayAreaAIScoreFromBackup1: ; 164d3 (5:64d3)
+	push af
+	ld de, wPlayAreaAIScore
+	ld hl, wTempPlayAreaAIScore
+	ld b, MAX_PLAY_AREA_POKEMON
+.loop
+	ld a, [hli]
+	ld [de], a
+	inc de
+	dec b
+	jr nz, .loop
+	ld a, [hl]
+	ld [wAIScore], a
+	pop af
+	ret
+
+; have AI decide whether to play energy card from hand
+; and determine which card is best to attach it.
+AIProcessAndTryToPlayEnergy: ; 164e8 (5:64e8)
+	xor a
+	ld [wAIEnergyAttachLogicFlags], a
+
+.has_logic_flags
+	call CreateEnergyCardListFromHand
+	jr nc, AIProcessEnergyCards
+
+; no energy
+	ld a, [wAIEnergyAttachLogicFlags]
+	or a
+	jr z, .exit
+	jp RetrievePlayAreaAIScoreFromBackup1
+.exit
+	or a
+	ret
+
+; have AI decide whether to play energy card
+; and determine which card is best to attach it.
+AIProcessEnergyCards: ; 164fc (5:64fc)
+; initialize Play Area AI score
+	ld a, $80
+	ld b, MAX_PLAY_AREA_POKEMON
+	ld hl, wPlayAreaEnergyAIScore
+.loop
+	ld [hli], a
+	dec b
+	jr nz, .loop
+
+; Legendary Articuno Deck has its own energy card logic
+	call HandleLegendaryArticunoEnergyScoring
+
+; start the main Play Area loop
+	ld b, PLAY_AREA_ARENA
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	ld c, a
+
+.loop_play_area
+	push bc
+	ld a, b
+	ldh [hTempPlayAreaLocation_ff9d], a
+	ld a, $80
+	ld [wAIScore], a
+	ld a, $ff
+	ld [wTempAI], a
+	ld a, [wAIEnergyAttachLogicFlags]
+	and AI_ENERGY_FLAG_SKIP_EVOLUTION
+	jr nz, .check_venusaur
+
+; check if energy needed is found in hand
+; and if there's an evolution in hand or deck
+; and if so, add to AI score
+	call CreateHandCardList
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	ld [wCurCardCanAttack], a
+	call GetAttacksEnergyCostBits
+	ld hl, wDuelTempList
+	call CheckEnergyFlagsNeededInList
+	jp nc, .store_score
+	ld a, [wCurCardCanAttack]
+	call CheckForEvolutionInList
+	jr nc, .no_evolution_in_hand
+	ld [wTempAI], a ; store evolution card found
+	ld a, 2
+	call AddToAIScore
+	jr .check_venusaur
+
+.no_evolution_in_hand
+	ld a, [wCurCardCanAttack]
+	call CheckForEvolutionInDeck
+	jr nc, .check_venusaur
+	ld a, 1
+	call AddToAIScore
+
+; if there's no Muk in any Play Area
+; and there's Venusaur2 in own Play Area,
+; add to AI score
+.check_venusaur
+	ld a, MUK
+	call CountPokemonIDInBothPlayAreas
+	jr c, .check_if_active
+	ld a, VENUSAUR2
+	call CountPokemonIDInPlayArea
+	jr nc, .check_if_active
+	ld a, 1
+	call AddToAIScore
+
+.check_if_active
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a
+	jr nz, .bench
+
+; arena
+	ld a, [wAIBarrierFlagCounter]
+	bit AI_MEWTWO_MILL_F, a
+	jr z, .add_to_score
+
+; subtract from score instead
+; if Player is running Mewtwo1 mill deck.
+	ld a, 5
+	call SubFromAIScore
+	jr .check_defending_can_ko
+
+.add_to_score
+	ld a, 4
+	call AddToAIScore
+
+; lower AI score if poison/double poison
+; will KO Pokémon between turns
+; or if the defending Pokémon can KO
+	ld a, DUELVARS_ARENA_CARD_HP
+	call GetTurnDuelistVariable
+	call CalculateByteTensDigit
+	cp 3
+	jr nc, .check_defending_can_ko
+	; hp < 30
+	cp 2
+	jr z, .has_20_hp
+	; hp = 10
+	ld a, DUELVARS_ARENA_CARD_STATUS
+	call GetTurnDuelistVariable
+	and POISONED
+	jr z, .check_defending_can_ko
+	jr .poison_will_ko
+.has_20_hp
+	ld a, DUELVARS_ARENA_CARD_STATUS
+	call GetTurnDuelistVariable
+	and DOUBLE_POISONED
+	jr z, .check_defending_can_ko
+.poison_will_ko
+	ld a, 10
+	call SubFromAIScore
+	jr .check_bench
+.check_defending_can_ko
+	call CheckIfDefendingPokemonCanKnockOut
+	jr nc, .ai_score_bonus
+	ld a, 10
+	call SubFromAIScore
+
+; if either poison will KO or defending Pokémon can KO,
+; check if there are bench Pokémon,
+; if there are not, add AI score
+.check_bench
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	dec a
+	jr nz, .ai_score_bonus
+	ld a, 6
+	call AddToAIScore
+	jr .ai_score_bonus
+
+; lower AI score by 3 - (bench HP)/10
+; if bench HP < 30
+.bench
+	add DUELVARS_ARENA_CARD_HP
+	call GetTurnDuelistVariable
+	call CalculateByteTensDigit
+	cp 3
+	jr nc, .ai_score_bonus
+; hp < 30
+	ld b, a
+	ld a, 3
+	sub b
+	call SubFromAIScore
+
+; check list in wAICardListEnergyBonus
+.ai_score_bonus
+	ld a, [wAICardListEnergyBonus + 1]
+	or a
+	jr z, .check_boss_deck ; is null
+	ld h, a
+	ld a, [wAICardListEnergyBonus]
+	ld l, a
+
+	push hl
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call GetCardIDFromDeckIndex
+	pop hl
+
+.loop_id_list
+	ld a, [hli]
+	or a
+	jr z, .check_boss_deck
+	cp e
+	jr nz, .next_id
+
+	; number of attached energy cards
+	ld a, [hli]
+	ld d, a
+	push de
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	ld e, a
+	call GetPlayAreaCardAttachedEnergies
+	ld a, [wTotalAttachedEnergies]
+	pop de
+	cp d
+	jr c, .check_id_score
+	; already reached target number of energy cards
+	ld a, 10
+	call SubFromAIScore
+	jr .store_score
+
+.check_id_score
+	ld a, [hli]
+	cp $80
+	jr c, .decrease_score_1
+	sub $80
+	call AddToAIScore
+	jr .check_boss_deck
+
+.decrease_score_1
+	ld d, a
+	ld a, $80
+	sub d
+	call SubFromAIScore
+	jr .check_boss_deck
+
+.next_id
+	inc hl
+	inc hl
+	jr .loop_id_list
+
+; if it's a boss deck, call Func_174f2
+; and apply to the AI score the values
+; determined for this card
+.check_boss_deck
+	call CheckIfNotABossDeckID
+	jr c, .skip_boss_deck
+
+	call Func_174f2
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	ld c, a
+	ld b, $00
+	ld hl, wPlayAreaEnergyAIScore
+	add hl, bc
+	ld a, [hl]
+	cp $80
+	jr c, .decrease_score_2
+	sub $80
+	call AddToAIScore
+	jr .skip_boss_deck
+
+.decrease_score_2
+	ld b, a
+	ld a, $80
+	sub b
+	call SubFromAIScore
+
+.skip_boss_deck
+	ld a, 1
+	call AddToAIScore
+
+; add AI score for both attacks,
+; according to their energy requirements.
+	xor a ; first attack
+	call DetermineAIScoreOfAttackEnergyRequirement
+	ld a, SECOND_ATTACK
+	call DetermineAIScoreOfAttackEnergyRequirement
+
+; store bench score for this card.
+.store_score
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	ld c, a
+	ld b, $00
+	ld hl, wPlayAreaAIScore
+	add hl, bc
+	ld a, [wAIScore]
+	ld [hl], a
+	pop bc
+	inc b
+	dec c
+	jp nz, .loop_play_area
+
+; the Play Area loop is over and the score
+; for each card has been calculated.
+; now to determine the highest score.
+	call FindPlayAreaCardWithHighestAIScore
+	jp nc, .not_found
+
+	ld a, [wAIEnergyAttachLogicFlags]
+	or a
+	jr z, .play_card
+	scf
+	jp RetrievePlayAreaAIScoreFromBackup1
+
+.play_card
+	call CreateEnergyCardListFromHand
+	jp AITryToPlayEnergyCard
+
+.not_found: ; 1668a (5:668a)
+	ld a, [wAIEnergyAttachLogicFlags]
+	or a
+	jr z, .no_carry
+	jp RetrievePlayAreaAIScoreFromBackup1
+.no_carry
+	or a
+	ret
+
+; checks score related to selected attack,
+; in order to determine whether to play energy card.
+; the AI score is increased/decreased accordingly.
+; input:
+;	[wSelectedAttack] = attack to check.
+DetermineAIScoreOfAttackEnergyRequirement: ; 16695 (5:6695)
+	ld [wSelectedAttack], a
+	call CheckEnergyNeededForAttack
+	jp c, .not_enough_energy
+	ld a, ATTACK_FLAG2_ADDRESS | ATTACHED_ENERGY_BOOST_F
+	call CheckLoadedAttackFlag
+	jr c, .attached_energy_boost
+	ld a, ATTACK_FLAG2_ADDRESS | DISCARD_ENERGY_F
+	call CheckLoadedAttackFlag
+	jr c, .discard_energy
+	jp .check_evolution
+
+.attached_energy_boost
+	ld a, [wLoadedAttackEffectParam]
+	cp MAX_ENERGY_BOOST_IS_LIMITED
+	jr z, .check_surplus_energy
+
+	; is MAX_ENERGY_BOOST_IS_NOT_LIMITED,
+	; which is equal to 3, add to score.
+	call AddToAIScore
+	jp .check_evolution
+
+.check_surplus_energy
+	call CheckIfNoSurplusEnergyForAttack
+	jr c, .asm_166cd
+	cp 3 ; check how much surplus energy
+	jr c, .asm_166cd
+
+.asm_166c5
+	ld a, 5
+	call SubFromAIScore
+	jp .check_evolution
+
+.asm_166cd
+	ld a, 2
+	call AddToAIScore
+
+; check whether attack has ATTACHED_ENERGY_BOOST flag
+; and add to AI score if attaching another energy
+; will KO defending Pokémon.
+; add more to score if this is currently active Pokémon.
+	ld a, ATTACK_FLAG2_ADDRESS | ATTACHED_ENERGY_BOOST_F
+	call CheckLoadedAttackFlag
+	jp nc, .check_evolution
+	ld a, [wSelectedAttack]
+	call EstimateDamage_VersusDefendingCard
+	ld a, DUELVARS_ARENA_CARD_HP
+	call GetNonTurnDuelistVariable
+	ld hl, wDamage
+	sub [hl]
+	jp c, .check_evolution
+	jp z, .check_evolution
+	ld a, [wDamage]
+	add 10 ; boost gained by attaching another energy card
+	ld b, a
+	ld a, DUELVARS_ARENA_CARD_HP
+	call GetNonTurnDuelistVariable
+	sub b
+	jr c, .attaching_kos_player
+	jr nz, .check_evolution
+
+.attaching_kos_player
+	ld a, 20
+	call AddToAIScore
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a
+	jr nz, .check_evolution
+	ld a, 10
+	call AddToAIScore
+	jr .check_evolution
+
+; checks if there is surplus energy for attack
+; that discards attached energy card.
+; if current card is Zapdos2, don't add to score.
+; if there is no surplus energy, encourage playing energy.
+.discard_energy
+	ld a, [wLoadedCard1ID]
+	cp ZAPDOS2
+	jr z, .check_evolution
+	call CheckIfNoSurplusEnergyForAttack
+	jr c, .asm_166cd
+	jr .asm_166c5
+
+.not_enough_energy
+	ld a, ATTACK_FLAG2_ADDRESS | FLAG_2_BIT_5_F
+	call CheckLoadedAttackFlag
+	jr nc, .check_color_needed
+	ld a, 5
+	call SubFromAIScore
+
+; if the energy card color needed is in hand, increase AI score.
+; if a colorless card is needed, increase AI score.
+.check_color_needed
+	ld a, b
+	or a
+	jr z, .check_colorless_needed
+	ld a, e
+	call LookForCardIDInHand
+	jr c, .check_colorless_needed
+	ld a, 4
+	call AddToAIScore
+	jr .check_total_needed
+.check_colorless_needed
+	ld a, c
+	or a
+	jr z, .check_evolution
+	ld a, 3
+	call AddToAIScore
+
+; if only one energy card is needed for attack,
+; encourage playing energy card.
+.check_total_needed
+	ld a, b
+	add c
+	dec a
+	jr nz, .check_evolution
+	ld a, 3
+	call AddToAIScore
+
+; if the attack KOs player and this is the active card, add to AI score.
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a
+	jr nz, .check_evolution
+	ld a, [wSelectedAttack]
+	call EstimateDamage_VersusDefendingCard
+	ld a, DUELVARS_ARENA_CARD_HP
+	call GetNonTurnDuelistVariable
+	ld hl, wDamage
+	sub [hl]
+	jr z, .atk_kos_defending
+	jr nc, .check_evolution
+.atk_kos_defending
+	ld a, 20
+	call AddToAIScore
+
+; this is possibly a bug.
+; this is an identical check as above to test whether this card is active.
+; in case it is active, the score gets added 10 more points,
+; in addition to the 20 points already added above.
+; what was probably intended was to add 20 points
+; plus 10 in case it is the Arena card.
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a
+	jr nz, .check_evolution
+	ld a, 10
+	call AddToAIScore
+
+.check_evolution
+	ld a, [wTempAI] ; evolution in hand
+	cp $ff
+	ret z
+
+; temporarily replace this card with evolution in hand.
+	ld b, a
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	push af
+	ld [hl], b
+
+; check for energy still needed for evolution to attack.
+; if FLAG_2_BIT_5 is not set, check what color is needed.
+; if the energy card color needed is in hand, increase AI score.
+; if a colorless card is needed, increase AI score.
+	call CheckEnergyNeededForAttack
+	jr nc, .done
+	ld a, ATTACK_FLAG2_ADDRESS | FLAG_2_BIT_5_F
+	call CheckLoadedAttackFlag
+	jr c, .done
+	ld a, b
+	or a
+	jr z, .check_colorless_needed_evo
+	ld a, e
+	call LookForCardIDInHand
+	jr c, .check_colorless_needed_evo
+	ld a, 2
+	call AddToAIScore
+	jr .done
+.check_colorless_needed_evo
+	ld a, c
+	or a
+	jr z, .done
+	ld a, 1
+	call AddToAIScore
+
+; recover the original card in the Play Area location.
+.done
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	pop af
+	ld [hl], a
+	ret
+
+; returns in hTempPlayAreaLocation_ff9d the Play Area location
+; of the card with the highest Play Area AI score, unless
+; the highest score is below $85.
+; if it succeeds in return a card location, set carry.
+; if AI_ENERGY_FLAG_SKIP_ARENA_CARD is set in wAIEnergyAttachLogicFlags
+; doesn't include the Arena card and there's no minimum score.
+FindPlayAreaCardWithHighestAIScore: ; 167b5 (5:67b5)
+	ld a, [wAIEnergyAttachLogicFlags]
+	and AI_ENERGY_FLAG_SKIP_ARENA_CARD
+	jr nz, .only_bench
+
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	ld b, a
+	ld c, PLAY_AREA_ARENA
+	ld e, c
+	ld d, c
+	ld hl, wPlayAreaAIScore
+; find highest Play Area AI score.
+.loop_1
+	ld a, [hli]
+	cp e
+	jr c, .next_1
+	jr z, .next_1
+	ld e, a ; overwrite highest score found
+	ld d, c ; overwrite Play Area of highest score
+.next_1
+	inc c
+	dec b
+	jr nz, .loop_1
+
+; if highest AI score is below $85, return no carry.
+; else, store Play Area location and return carry.
+	ld a, e
+	cp $85
+	jr c, .not_enough_score
+	ld a, d
+	ldh [hTempPlayAreaLocation_ff9d], a
+	scf
+	ret
+.not_enough_score
+	or a
+	ret
+
+; same as above but only check bench Pokémon scores.
+.only_bench
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	dec a
+	jr z, .no_carry
+
+	ld b, a
+	ld e, 0
+	ld c, PLAY_AREA_BENCH_1
+	ld d, c
+	ld hl, wPlayAreaAIScore + 1
+.loop_2
+	ld a, [hli]
+	cp e
+	jr c, .next_2
+	jr z, .next_2
+	ld e, a ; overwrite highest score found
+	ld d, c ; overwrite Play Area of highest score
+.next_2
+	inc c
+	dec b
+	jr nz, .loop_2
+
+; in this case, there is no minimum threshold AI score.
+	ld a, d
+	ldh [hTempPlayAreaLocation_ff9d], a
+	scf
+	ret
+.no_carry
+	or a
+	ret
+
+; returns carry if there's an evolution card
+; that can evolve card in hTempPlayAreaLocation_ff9d,
+; and that card needs energy to use wSelectedAttack.
+CheckIfEvolutionNeedsEnergyForAttack: ; 16805 (5:6805)
+	call CreateHandCardList
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call CheckCardEvolutionInHandOrDeck
+	jr c, .has_evolution
+	or a
+	ret
+
+.has_evolution
+	ld b, a
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	push af
+	ld [hl], b
+	call CheckEnergyNeededForAttack
+	jr c, .not_enough_energy
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	pop af
+	ld [hl], a
+	or a
+	ret
+
+.not_enough_energy
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	pop af
+	ld [hl], a
+	scf
+	ret
+
+; returns in e the card ID of the energy required for
+; the Discard/Energy Boost attack loaded in wSelectedAttack.
+; if it's Zapdos2's Thunderbolt attack, return no carry.
+; if it's Charizard's Fire Spin or Exeggutor's Big Eggsplosion
+; attack, don't return energy card ID, but set carry.
+; output:
+;	b = 1 if needs color energy, 0 otherwise;
+;	c = 1 if only needs colorless energy, 0 otherwise;
+;	carry set if not Zapdos2's Thunderbolt attack.
+GetEnergyCardForDiscardOrEnergyBoostAttack: ; 1683b (5:683b)
+; load card ID and check selected attack index.
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call LoadCardDataToBuffer2_FromDeckIndex
+	ld b, a
+	ld a, [wSelectedAttack]
+	or a
+	jr z, .first_attack
+
+; check if second attack is Zapdos2's Thunderbolt,
+; Charizard's Fire Spin or Exeggutor's Big Eggsplosion,
+; for these to be treated differently.
+; for both attacks, load its energy cost.
+	ld a, b
+	cp ZAPDOS2
+	jr z, .zapdos2
+	cp CHARIZARD
+	jr z, .charizard_or_exeggutor
+	cp EXEGGUTOR
+	jr z, .charizard_or_exeggutor
+	ld hl, wLoadedCard2Atk2EnergyCost
+	jr .fire
+.first_attack
+	ld hl, wLoadedCard2Atk1EnergyCost
+
+; check which energy color the attack requires,
+; and load in e the card ID of corresponding energy card,
+; then return carry flag set.
+.fire
+	ld a, [hli]
+	ld b, a
+	and $f0
+	jr z, .grass
+	ld e, FIRE_ENERGY
+	jr .set_carry
+.grass
+	ld a, b
+	and $0f
+	jr z, .lightning
+	ld e, GRASS_ENERGY
+	jr .set_carry
+.lightning
+	ld a, [hli]
+	ld b, a
+	and $f0
+	jr z, .water
+	ld e, LIGHTNING_ENERGY
+	jr .set_carry
+.water
+	ld a, b
+	and $0f
+	jr z, .fighting
+	ld e, WATER_ENERGY
+	jr .set_carry
+.fighting
+	ld a, [hli]
+	ld b, a
+	and $f0
+	jr z, .psychic
+	ld e, FIGHTING_ENERGY
+	jr .set_carry
+.psychic
+	ld e, PSYCHIC_ENERGY
+
+.set_carry
+	lb bc, $01, $00
+	scf
+	ret
+
+; for Zapdos2's Thunderbolt attack, return with no carry.
+.zapdos2
+	or a
+	ret
+
+; Charizard's Fire Spin and Exeggutor's Big Eggsplosion,
+; return carry.
+.charizard_or_exeggutor
+	lb bc, $00, $01
+	scf
+	ret
+
+; called after the AI has decided which card to attach
+; energy from hand. AI does checks to determine whether
+; this card needs more energy or not, and chooses the
+; right energy card to play. If the card is played,
+; return with carry flag set.
+AITryToPlayEnergyCard: ; 1689f (5:689f)
+; check if energy cards are still needed for attacks.
+; if first attack doesn't need, test for the second attack.
+	xor a
+	ld [wTempAI], a
+	ld [wSelectedAttack], a
+	call CheckEnergyNeededForAttack
+	jr nc, .second_attack
+	ld a, b
+	or a
+	jr nz, .check_deck
+	ld a, c
+	or a
+	jr nz, .check_deck
+
+.second_attack
+	ld a, SECOND_ATTACK
+	ld [wSelectedAttack], a
+	call CheckEnergyNeededForAttack
+	jr nc, .check_discard_or_energy_boost
+	ld a, b
+	or a
+	jr nz, .check_deck
+	ld a, c
+	or a
+	jr nz, .check_deck
+
+; neither attack needs energy cards to be used.
+; check whether these attacks can be given
+; extra energy cards for their effects.
+.check_discard_or_energy_boost
+	ld a, $01
+	ld [wTempAI], a
+
+; for both attacks, check if it has the effect of
+; discarding energy cards or attached energy boost.
+	xor a ; FIRST_ATTACK_OR_PKMN_POWER
+	ld [wSelectedAttack], a
+	call CheckEnergyNeededForAttack
+	ld a, ATTACK_FLAG2_ADDRESS | ATTACHED_ENERGY_BOOST_F
+	call CheckLoadedAttackFlag
+	jr c, .energy_boost_or_discard_energy
+	ld a, ATTACK_FLAG2_ADDRESS | DISCARD_ENERGY_F
+	call CheckLoadedAttackFlag
+	jr c, .energy_boost_or_discard_energy
+
+	ld a, SECOND_ATTACK
+	ld [wSelectedAttack], a
+	call CheckEnergyNeededForAttack
+	ld a, ATTACK_FLAG2_ADDRESS | ATTACHED_ENERGY_BOOST_F
+	call CheckLoadedAttackFlag
+	jr c, .energy_boost_or_discard_energy
+	ld a, ATTACK_FLAG2_ADDRESS | DISCARD_ENERGY_F
+	call CheckLoadedAttackFlag
+	jr c, .energy_boost_or_discard_energy
+
+; if none of the attacks have those flags, do an additional
+; check to ascertain whether evolution card needs energy
+; to use second attack. Return if all these checks fail.
+	call CheckIfEvolutionNeedsEnergyForAttack
+	ret nc
+	call CreateEnergyCardListFromHand
+	jr .check_deck
+
+; for attacks that discard energy or get boost for
+; additional energy cards, get the energy card ID required by attack.
+; if it's Zapdos2's Thunderbolt attack, return.
+.energy_boost_or_discard_energy
+	call GetEnergyCardForDiscardOrEnergyBoostAttack
+	ret nc
+
+; some decks allow basic Pokémon to be given double colorless
+; in anticipation for evolution, so play card if that is the case.
+.check_deck
+	call CheckSpecificDecksToAttachDoubleColorless
+	jr c, .play_energy_card
+
+	ld a, b
+	or a
+	jr z, .colorless_energy
+
+; in this case, Pokémon needs a specific basic energy card.
+; look for basic energy card needed in hand and play it.
+	ld a, e
+	call LookForCardIDInHand
+	ldh [hTemp_ffa0], a
+	jr nc, .play_energy_card
+
+; in this case Pokémon just needs colorless (any basic energy card).
+; if active card, check if it needs 2 colorless.
+; if it does (and also doesn't additionally need a color energy),
+; look for double colorless card in hand and play it if found.
+.colorless_energy
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a
+	jr nz, .look_for_any_energy
+	ld a, c
+	or a
+	jr z, .check_if_done
+	cp 2
+	jr nz, .look_for_any_energy
+
+	; needs two colorless
+	ld hl, wDuelTempList
+.loop_1
+	ld a, [hli]
+	cp $ff
+	jr z, .look_for_any_energy
+	ldh [hTemp_ffa0], a
+	call GetCardIDFromDeckIndex
+	ld a, e
+	cp DOUBLE_COLORLESS_ENERGY
+	jr nz, .loop_1
+	jr .play_energy_card
+
+; otherwise, look for any card and play it.
+; if it's a boss deck, only play double colorless in this situation.
+.look_for_any_energy
+	ld hl, wDuelTempList
+	call CountCardsInDuelTempList
+	call ShuffleCards
+.loop_2
+	ld a, [hli]
+	cp $ff
+	jr z, .check_if_done
+	call CheckIfOpponentHasBossDeckID
+	jr nc, .load_card
+	push af
+	call GetCardIDFromDeckIndex
+	ld a, e
+	cp DOUBLE_COLORLESS_ENERGY
+	pop bc
+	jr z, .loop_2
+	ld a, b
+.load_card
+	ldh [hTemp_ffa0], a
+
+; plays energy card loaded in hTemp_ffa0 and sets carry flag.
+.play_energy_card
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	ldh [hTempPlayAreaLocation_ffa1], a
+	ld a, OPPACTION_PLAY_ENERGY
+	bank1call AIMakeDecision
+	scf
+	ret
+
+; wTempAI is 1 if the attack had a Discard/Energy Boost effect,
+; and 0 otherwise. If 1, then return. If not one, check if
+; there is still a second attack to check.
+.check_if_done
+	ld a, [wTempAI]
+	or a
+	jr z, .check_first_attack
+	ret
+.check_first_attack
+	ld a, [wSelectedAttack]
+	or a
+	jp z, .second_attack
+	ret
+
+; check if playing certain decks so that AI can decide whether to play
+; double colorless to some specific cards.
+; these are cards that do not need double colorless to any of their attacks
+; but are required by their evolutions.
+; return carry if there's a double colorless in hand to attach
+; and it's one of the card IDs from these decks.
+; output:
+;	[hTemp_ffa0] = card index of double colorless in hand;
+;	carry set if can play energy card.
+CheckSpecificDecksToAttachDoubleColorless: ; 1696e (5:696e)
+	push bc
+	push de
+	push hl
+
+; check if AI is playing any of the applicable decks.
+	ld a, [wOpponentDeckID]
+	cp LEGENDARY_DRAGONITE_DECK_ID
+	jr z, .legendary_dragonite_deck
+	cp FIRE_CHARGE_DECK_ID
+	jr z, .fire_charge_deck
+	cp LEGENDARY_RONALD_DECK_ID
+	jr z, .legendary_ronald_deck
+
+.no_carry
+	pop hl
+	pop de
+	pop bc
+	or a
+	ret
+
+; if playing Legendary Dragonite deck,
+; check for Charmander and Dratini.
+.legendary_dragonite_deck
+	call .get_id
+	cp CHARMANDER
+	jr z, .check_colorless_attached
+	cp DRATINI
+	jr z, .check_colorless_attached
+	jr .no_carry
+
+; if playing Fire Charge deck,
+; check for Growlithe.
+.fire_charge_deck
+	call .get_id
+	cp GROWLITHE
+	jr z, .check_colorless_attached
+	jr .no_carry
+
+; if playing Legendary Ronald deck,
+; check for Dratini.
+.legendary_ronald_deck
+	call .get_id
+	cp DRATINI
+	jr z, .check_colorless_attached
+	jr .no_carry
+
+; check if card has any colorless energy cards attached,
+; and if there are any, return no carry.
+.check_colorless_attached
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	ld e, a
+	call GetPlayAreaCardAttachedEnergies
+	ld a, [wAttachedEnergies + COLORLESS]
+	or a
+	jr nz, .no_carry
+
+; card has no colorless energy, so look for double colorless
+; in hand and if found, return carry and its card index.
+	ld a, DOUBLE_COLORLESS_ENERGY
+	call LookForCardIDInHand
+	jr c, .no_carry
+	ldh [hTemp_ffa0], a
+	pop hl
+	pop de
+	pop bc
+	scf
+	ret
+
+.get_id:
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call GetCardIDFromDeckIndex
+	ld a, e
+	ret
diff --git a/src/engine/ai/hand_pokemon.asm b/src/engine/ai/hand_pokemon.asm
index 28ff6b1..27a4176 100644
--- a/src/engine/ai/hand_pokemon.asm
+++ b/src/engine/ai/hand_pokemon.asm
@@ -1,627 +1,627 @@
-; determine whether AI plays
-; basic cards from hand
-AIDecidePlayPokemonCard: ; 15eae (5:5eae)
-	call CreateHandCardList
-	call SortTempHandByIDList
-	ld hl, wDuelTempList
-	ld de, wHandTempList
-	call CopyHandCardList
-	ld hl, wHandTempList
-
-.next_hand_card
-	ld a, [hli]
-	cp $ff
-	jp z, AIDecideEvolution
-
-	ld [wTempAIPokemonCard], a
-	push hl
-	call LoadCardDataToBuffer1_FromDeckIndex
-	ld a, [wLoadedCard1Type]
-	cp TYPE_ENERGY
-	jr nc, .skip
-	; skip non-pokemon cards
-
-	ld a, [wLoadedCard1Stage]
-	or a
-	jr nz, .skip
-	; skip non-basic pokemon
-
-	ld a, 130
-	ld [wAIScore], a
-	call AIDecidePlayLegendaryBirds
-
-; if Play Area has more than 4 Pokémon, decrease AI score
-; else, increase AI score
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	cp 4
-	jr c, .has_4_or_fewer
-	ld a, 20
-	call SubFromAIScore
-	jr .check_defending_can_ko
-.has_4_or_fewer
-	ld a, 50
-	call AddToAIScore
-
-; if defending Pokémon can KO active card, increase AI score
-.check_defending_can_ko
-	xor a
-	ldh [hTempPlayAreaLocation_ff9d], a
-	call CheckIfDefendingPokemonCanKnockOut
-	jr nc, .check_energy_cards
-	ld a, 20
-	call AddToAIScore
-
-; if energy cards are found in hand
-; for this card's attacks, raise AI score
-.check_energy_cards
-	ld a, [wTempAIPokemonCard]
-	call GetAttacksEnergyCostBits
-	call CheckEnergyFlagsNeededInList
-	jr nc, .check_evolution_hand
-	ld a, 20
-	call AddToAIScore
-
-; if evolution card is found in hand
-; for this card, raise AI score
-.check_evolution_hand
-	ld a, [wTempAIPokemonCard]
-	call CheckForEvolutionInList
-	jr nc, .check_evolution_deck
-	ld a, 20
-	call AddToAIScore
-
-; if evolution card is found in deck
-; for this card, raise AI score
-.check_evolution_deck
-	ld a, [wTempAIPokemonCard]
-	call CheckForEvolutionInDeck
-	jr nc, .check_score
-	ld a, 10
-	call AddToAIScore
-
-; if AI score is >= 180, play card from hand
-.check_score
-	ld a, [wAIScore]
-	cp 180
-	jr c, .skip
-	ld a, [wTempAIPokemonCard]
-	ldh [hTemp_ffa0], a
-	call CheckIfCardCanBePlayed
-	jr c, .skip
-	ld a, OPPACTION_PLAY_BASIC_PKMN
-	bank1call AIMakeDecision
-	jr c, .done
-.skip
-	pop hl
-	jp .next_hand_card
-.done
-	pop hl
-	ret
-
-; determine whether AI evolves
-; Pokémon in the Play Area
-AIDecideEvolution: ; 15f4c (5:5f4c)
-	call CreateHandCardList
-	ld hl, wDuelTempList
-	ld de, wHandTempList
-	call CopyHandCardList
-	ld hl, wHandTempList
-
-.next_hand_card
-	ld a, [hli]
-	cp $ff
-	jp z, .done
-	ld [wTempAIPokemonCard], a
-
-; check if Prehistoric Power is active
-; and if so, skip to next card in hand
-	push hl
-	call IsPrehistoricPowerActive
-	jp c, .done_hand_card
-
-; load evolution data to buffer1
-; skip if it's not a Pokémon card
-; and if it's a basic stage card
-	ld a, [wTempAIPokemonCard]
-	call LoadCardDataToBuffer1_FromDeckIndex
-	ld a, [wLoadedCard1Type]
-	cp TYPE_ENERGY
-	jp nc, .done_hand_card
-	ld a, [wLoadedCard1Stage]
-	or a
-	jp z, .done_hand_card
-
-; start looping Pokémon in Play Area
-; to find a card to evolve
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	ld c, a
-	ld b, 0
-.next_bench_pokemon
-	push bc
-	ld e, b
-	ld a, [wTempAIPokemonCard]
-	ld d, a
-	call CheckIfCanEvolveInto
-	pop bc
-	push bc
-	jp c, .done_bench_pokemon
-
-; store this Play Area location in wTempAI
-; and initialize the AI score
-	ld a, b
-	ld [wTempAI], a
-	ldh [hTempPlayAreaLocation_ff9d], a
-	ld a, $80
-	ld [wAIScore], a
-	call AIDecideSpecialEvolutions
-
-; check if the card can use any attacks
-; and if any of those attacks can KO
-	xor a
-	ld [wSelectedAttack], a
-	call CheckIfSelectedAttackIsUnusable
-	jr nc, .can_attack
-	ld a, $01
-	ld [wSelectedAttack], a
-	call CheckIfSelectedAttackIsUnusable
-	jr c, .cant_attack_or_ko
-.can_attack
-	ld a, $01
-	ld [wCurCardCanAttack], a
-	call CheckIfAnyAttackKnocksOutDefendingCard
-	jr nc, .check_evolution_attacks
-	call CheckIfSelectedAttackIsUnusable
-	jr c, .check_evolution_attacks
-	ld a, $01
-	ld [wCurCardCanKO], a
-	jr .check_evolution_attacks
-.cant_attack_or_ko
-	xor a
-	ld [wCurCardCanAttack], a
-	ld [wCurCardCanKO], a
-
-; check evolution to see if it can use any of its attacks:
-; if it can, raise AI score;
-; if it can't, decrease AI score and if an energy card that is needed
-; can be played from the hand, raise AI score.
-.check_evolution_attacks
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	push af
-	ld a, [wTempAIPokemonCard]
-	ld [hl], a
-	xor a
-	ld [wSelectedAttack], a
-	call CheckIfSelectedAttackIsUnusable
-	jr nc, .evolution_can_attack
-	ld a, $01
-	ld [wSelectedAttack], a
-	call CheckIfSelectedAttackIsUnusable
-	jr c, .evolution_cant_attack
-.evolution_can_attack
-	ld a, 5
-	call AddToAIScore
-	jr .check_evolution_ko
-.evolution_cant_attack
-	ld a, [wCurCardCanAttack]
-	or a
-	jr z, .check_evolution_ko
-	ld a, 2
-	call SubFromAIScore
-	ld a, [wAlreadyPlayedEnergy]
-	or a
-	jr nz, .check_evolution_ko
-	call LookForEnergyNeededInHand
-	jr nc, .check_evolution_ko
-	ld a, 7
-	call AddToAIScore
-
-; if it's an active card:
-; if evolution can't KO but the current card can, lower AI score;
-; if evolution can KO as well, raise AI score.
-.check_evolution_ko
-	ld a, [wCurCardCanAttack]
-	or a
-	jr z, .check_defending_can_ko_evolution
-	ld a, [wTempAI]
-	or a
-	jr nz, .check_defending_can_ko_evolution
-	call CheckIfAnyAttackKnocksOutDefendingCard
-	jr nc, .evolution_cant_ko
-	call CheckIfSelectedAttackIsUnusable
-	jr c, .evolution_cant_ko
-	ld a, 5
-	call AddToAIScore
-	jr .check_defending_can_ko_evolution
-.evolution_cant_ko
-	ld a, [wCurCardCanKO]
-	or a
-	jr z, .check_defending_can_ko_evolution
-	ld a, 20
-	call SubFromAIScore
-
-; if defending Pokémon can KO evolution, lower AI score
-.check_defending_can_ko_evolution
-	ld a, [wTempAI]
-	or a
-	jr nz, .check_mr_mime
-	xor a
-	ldh [hTempPlayAreaLocation_ff9d], a
-	call CheckIfDefendingPokemonCanKnockOut
-	jr nc, .check_mr_mime
-	ld a, 5
-	call SubFromAIScore
-
-; if evolution can't damage player's Mr Mime, lower AI score
-.check_mr_mime
-	ld a, [wTempAI]
-	call CheckDamageToMrMime
-	jr c, .check_defending_can_ko
-	ld a, 20
-	call SubFromAIScore
-
-; if defending Pokémon can KO current card, raise AI score
-.check_defending_can_ko
-	ld a, [wTempAI]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	pop af
-	ld [hl], a
-	ld a, [wTempAI]
-	or a
-	jr nz, .check_2nd_stage_hand
-	xor a
-	ldh [hTempPlayAreaLocation_ff9d], a
-	call CheckIfDefendingPokemonCanKnockOut
-	jr nc, .check_status
-	ld a, 5
-	call AddToAIScore
-
-; if current card has a status condition, raise AI score
-.check_status
-	ld a, DUELVARS_ARENA_CARD_STATUS
-	call GetTurnDuelistVariable
-	or a
-	jr z, .check_2nd_stage_hand
-	ld a, 4
-	call AddToAIScore
-
-; if hand has 2nd stage card to evolve evolution card, raise AI score
-.check_2nd_stage_hand
-	ld a, [wTempAIPokemonCard]
-	call CheckForEvolutionInList
-	jr nc, .check_2nd_stage_deck
-	ld a, 2
-	call AddToAIScore
-	jr .check_damage
-
-; if deck has 2nd stage card to evolve evolution card, raise AI score
-.check_2nd_stage_deck
-	ld a, [wTempAIPokemonCard]
-	call CheckForEvolutionInDeck
-	jr nc, .check_damage
-	ld a, 1
-	call AddToAIScore
-
-; decrease AI score proportional to damage
-; AI score -= floor(Damage / 40)
-.check_damage
-	ld a, [wTempAI]
-	ld e, a
-	call GetCardDamageAndMaxHP
-	or a
-	jr z, .check_mysterious_fossil
-	srl a
-	srl a
-	call CalculateByteTensDigit
-	call SubFromAIScore
-
-; if is Mysterious Fossil or
-; wLoadedCard1Unknown2 is set to $02,
-; raise AI score
-.check_mysterious_fossil
-	ld a, [wTempAI]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call LoadCardDataToBuffer1_FromDeckIndex
-	ld a, [wLoadedCard1ID]
-	cp MYSTERIOUS_FOSSIL
-	jr z, .mysterious_fossil
-	ld a, [wLoadedCard1Unknown2]
-	cp $02
-	jr nz, .pikachu_deck
-	ld a, 2
-	call AddToAIScore
-	jr .pikachu_deck
-
-.mysterious_fossil
-	ld a, 5
-	call AddToAIScore
-
-; in Pikachu Deck, decrease AI score for evolving Pikachu
-.pikachu_deck
-	ld a, [wOpponentDeckID]
-	cp PIKACHU_DECK_ID
-	jr nz, .check_score
-	ld a, [wLoadedCard1ID]
-	cp PIKACHU1
-	jr z, .pikachu
-	cp PIKACHU2
-	jr z, .pikachu
-	cp PIKACHU3
-	jr z, .pikachu
-	cp PIKACHU4
-	jr nz, .check_score
-.pikachu
-	ld a, 3
-	call SubFromAIScore
-
-; if AI score >= 133, go through with the evolution
-.check_score
-	ld a, [wAIScore]
-	cp 133
-	jr c, .done_bench_pokemon
-	ld a, [wTempAI]
-	ldh [hTempPlayAreaLocation_ffa1], a
-	ld a, [wTempAIPokemonCard]
-	ldh [hTemp_ffa0], a
-	ld a, OPPACTION_EVOLVE_PKMN
-	bank1call AIMakeDecision
-	pop bc
-	jr .done_hand_card
-
-.done_bench_pokemon
-	pop bc
-	inc b
-	dec c
-	jp nz, .next_bench_pokemon
-.done_hand_card
-	pop hl
-	jp .next_hand_card
-.done
-	or a
-	ret
-
-; determine AI score for evolving
-; Charmeleon, Magikarp, Dragonair and Grimer
-; in certain decks
-AIDecideSpecialEvolutions: ; 16120 (5:6120)
-; check if deck applies
-	ld a, [wOpponentDeckID]
-	cp LEGENDARY_DRAGONITE_DECK_ID
-	jr z, .legendary_dragonite
-	cp INVINCIBLE_RONALD_DECK_ID
-	jr z, .invincible_ronald
-	cp LEGENDARY_RONALD_DECK_ID
-	jr z, .legendary_ronald
-	ret
-
-.legendary_dragonite
-	ld a, [wLoadedCard2ID]
-	cp CHARMELEON
-	jr z, .charmeleon
-	cp MAGIKARP
-	jr z, .magikarp
-	cp DRAGONAIR
-	jr z, .dragonair
-	ret
-
-; check if number of energy cards attached to Charmeleon are at least 3
-; and if adding the energy cards in hand makes at least 6 energy cards
-.charmeleon
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	ld e, a
-	call CountNumberOfEnergyCardsAttached
-	cp 3
-	jr c, .not_enough_energy
-	push af
-	farcall CountOppEnergyCardsInHand
-	pop bc
-	add b
-	cp 6
-	jr c, .not_enough_energy
-	ld a, 3
-	call AddToAIScore
-	ret
-.not_enough_energy
-	ld a, 10
-	call SubFromAIScore
-	ret
-
-; check if Magikarp is not the active card
-; and has at least 2 energy cards attached
-.magikarp
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a ; active card
-	ret z
-	ld e, a
-	call CountNumberOfEnergyCardsAttached
-	cp 2
-	ret c
-	ld a, 3
-	call AddToAIScore
-	ret
-
-.invincible_ronald
-	ld a, [wLoadedCard2ID]
-	cp GRIMER
-	jr z, .grimer
-	ret
-
-; check if Grimer is not active card
-.grimer
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a ; active card
-	ret z
-	ld a, 10
-	call AddToAIScore
-	ret
-
-.legendary_ronald
-	ld a, [wLoadedCard2ID]
-	cp DRAGONAIR
-	jr z, .dragonair
-	ret
-
-.dragonair
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	or a ; active card
-	jr z, .is_active
-
-; if Dragonair is benched, check all Pokémon in Play Area
-; and sum all the damage in HP of all cards
-; if this result is >= 70, check if there's
-; a Muk in any duelist's Play Area
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	ld b, a
-	ld c, 0
-.loop
-	dec b
-	ld e, b
-	push bc
-	call GetCardDamageAndMaxHP
-	pop bc
-	add c
-	ld c, a
-	ld a, b
-	or a
-	jr nz, .loop
-	ld a, 70
-	cp c
-	jr c, .check_muk
-.lower_score
-	ld a, 10
-	call SubFromAIScore
-	ret
-
-; if there's no Muk, raise score
-.check_muk
-	ld a, MUK
-	call CountPokemonIDInBothPlayAreas
-	jr c, .lower_score
-	ld a, 10
-	call AddToAIScore
-	ret
-
-; if Dragonair is active, check its damage in HP
-; if this result is >= 50,
-; and if at least 3 energy cards attached,
-; check if there's a Muk in any duelist's Play Area
-.is_active
-	ld e, 0
-	call GetCardDamageAndMaxHP
-	cp 50
-	jr c, .lower_score
-	ld e, PLAY_AREA_ARENA
-	call GetPlayAreaCardAttachedEnergies
-	ld a, [wTotalAttachedEnergies]
-	cp 3
-	jr c, .lower_score
-	jr .check_muk
-
-; determine AI score for the legendary cards
-; Moltres, Zapdos and Articuno
-AIDecidePlayLegendaryBirds: ; 161d5 (5:61d5)
-; check if deck applies
-	ld a, [wOpponentDeckID]
-	cp LEGENDARY_ZAPDOS_DECK_ID
-	jr z, .begin
-	cp LEGENDARY_ARTICUNO_DECK_ID
-	jr z, .begin
-	cp LEGENDARY_RONALD_DECK_ID
-	jr z, .begin
-	ret
-
-; check if card applies
-.begin
-	ld a, [wLoadedCard1ID]
-	cp ARTICUNO2
-	jr z, .articuno
-	cp MOLTRES2
-	jr z, .moltres
-	cp ZAPDOS3
-	jr z, .zapdos
-	ret
-
-.articuno
-	; exit if not enough Pokemon in Play Area
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	cp 2
-	ret c
-
-	call CheckIfActiveCardCanKnockOut
-	jr c, .subtract
-	call CheckIfActivePokemonCanUseAnyNonResidualAttack
-	jr nc, .subtract
-	call AIDecideWhetherToRetreat
-	jr c, .subtract
-
-	; checks for player's active card status
-	ld a, DUELVARS_ARENA_CARD_STATUS
-	call GetNonTurnDuelistVariable
-	and CNF_SLP_PRZ
-	or a
-	jr nz, .subtract
-
-	; checks for player's Pokemon Power
-	call SwapTurn
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	ld d, a
-	ld e, $00
-	call CopyAttackDataAndDamage_FromDeckIndex
-	call SwapTurn
-	ld a, [wLoadedAttackCategory]
-	cp POKEMON_POWER
-	jr z, .check_muk_and_snorlax
-
-	; return if no space on the bench
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	cp MAX_BENCH_POKEMON
-	jr c, .check_muk_and_snorlax
-	ret
-
-.check_muk_and_snorlax
-	; checks for Muk in both Play Areas
-	ld a, MUK
-	call CountPokemonIDInBothPlayAreas
-	jr c, .subtract
-	; checks if player's active card is Snorlax
-	ld a, DUELVARS_ARENA_CARD
-	call GetNonTurnDuelistVariable
-	call SwapTurn
-	call GetCardIDFromDeckIndex
-	call SwapTurn
-	ld a, e
-	cp SNORLAX
-	jr z, .subtract
-
-; add
-	ld a, 70
-	call AddToAIScore
-	ret
-.subtract
-	ld a, 100
-	call SubFromAIScore
-	ret
-
-.moltres
-	; checks if there's enough cards in deck
-	ld a, DUELVARS_NUMBER_OF_CARDS_NOT_IN_DECK
-	call GetTurnDuelistVariable
-	cp 56 ; max number of cards not in deck to activate
-	jr nc, .subtract
-	ret
-
-.zapdos
-	; checks for Muk in both Play Areas
-	ld a, MUK
-	call CountPokemonIDInBothPlayAreas
-	jr c, .subtract
-	ret
+; determine whether AI plays
+; basic cards from hand
+AIDecidePlayPokemonCard: ; 15eae (5:5eae)
+	call CreateHandCardList
+	call SortTempHandByIDList
+	ld hl, wDuelTempList
+	ld de, wHandTempList
+	call CopyHandCardList
+	ld hl, wHandTempList
+
+.next_hand_card
+	ld a, [hli]
+	cp $ff
+	jp z, AIDecideEvolution
+
+	ld [wTempAIPokemonCard], a
+	push hl
+	call LoadCardDataToBuffer1_FromDeckIndex
+	ld a, [wLoadedCard1Type]
+	cp TYPE_ENERGY
+	jr nc, .skip
+	; skip non-pokemon cards
+
+	ld a, [wLoadedCard1Stage]
+	or a
+	jr nz, .skip
+	; skip non-basic pokemon
+
+	ld a, 130
+	ld [wAIScore], a
+	call AIDecidePlayLegendaryBirds
+
+; if Play Area has more than 4 Pokémon, decrease AI score
+; else, increase AI score
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	cp 4
+	jr c, .has_4_or_fewer
+	ld a, 20
+	call SubFromAIScore
+	jr .check_defending_can_ko
+.has_4_or_fewer
+	ld a, 50
+	call AddToAIScore
+
+; if defending Pokémon can KO active card, increase AI score
+.check_defending_can_ko
+	xor a
+	ldh [hTempPlayAreaLocation_ff9d], a
+	call CheckIfDefendingPokemonCanKnockOut
+	jr nc, .check_energy_cards
+	ld a, 20
+	call AddToAIScore
+
+; if energy cards are found in hand
+; for this card's attacks, raise AI score
+.check_energy_cards
+	ld a, [wTempAIPokemonCard]
+	call GetAttacksEnergyCostBits
+	call CheckEnergyFlagsNeededInList
+	jr nc, .check_evolution_hand
+	ld a, 20
+	call AddToAIScore
+
+; if evolution card is found in hand
+; for this card, raise AI score
+.check_evolution_hand
+	ld a, [wTempAIPokemonCard]
+	call CheckForEvolutionInList
+	jr nc, .check_evolution_deck
+	ld a, 20
+	call AddToAIScore
+
+; if evolution card is found in deck
+; for this card, raise AI score
+.check_evolution_deck
+	ld a, [wTempAIPokemonCard]
+	call CheckForEvolutionInDeck
+	jr nc, .check_score
+	ld a, 10
+	call AddToAIScore
+
+; if AI score is >= 180, play card from hand
+.check_score
+	ld a, [wAIScore]
+	cp 180
+	jr c, .skip
+	ld a, [wTempAIPokemonCard]
+	ldh [hTemp_ffa0], a
+	call CheckIfCardCanBePlayed
+	jr c, .skip
+	ld a, OPPACTION_PLAY_BASIC_PKMN
+	bank1call AIMakeDecision
+	jr c, .done
+.skip
+	pop hl
+	jp .next_hand_card
+.done
+	pop hl
+	ret
+
+; determine whether AI evolves
+; Pokémon in the Play Area
+AIDecideEvolution: ; 15f4c (5:5f4c)
+	call CreateHandCardList
+	ld hl, wDuelTempList
+	ld de, wHandTempList
+	call CopyHandCardList
+	ld hl, wHandTempList
+
+.next_hand_card
+	ld a, [hli]
+	cp $ff
+	jp z, .done
+	ld [wTempAIPokemonCard], a
+
+; check if Prehistoric Power is active
+; and if so, skip to next card in hand
+	push hl
+	call IsPrehistoricPowerActive
+	jp c, .done_hand_card
+
+; load evolution data to buffer1
+; skip if it's not a Pokémon card
+; and if it's a basic stage card
+	ld a, [wTempAIPokemonCard]
+	call LoadCardDataToBuffer1_FromDeckIndex
+	ld a, [wLoadedCard1Type]
+	cp TYPE_ENERGY
+	jp nc, .done_hand_card
+	ld a, [wLoadedCard1Stage]
+	or a
+	jp z, .done_hand_card
+
+; start looping Pokémon in Play Area
+; to find a card to evolve
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	ld c, a
+	ld b, 0
+.next_bench_pokemon
+	push bc
+	ld e, b
+	ld a, [wTempAIPokemonCard]
+	ld d, a
+	call CheckIfCanEvolveInto
+	pop bc
+	push bc
+	jp c, .done_bench_pokemon
+
+; store this Play Area location in wTempAI
+; and initialize the AI score
+	ld a, b
+	ld [wTempAI], a
+	ldh [hTempPlayAreaLocation_ff9d], a
+	ld a, $80
+	ld [wAIScore], a
+	call AIDecideSpecialEvolutions
+
+; check if the card can use any attacks
+; and if any of those attacks can KO
+	xor a
+	ld [wSelectedAttack], a
+	call CheckIfSelectedAttackIsUnusable
+	jr nc, .can_attack
+	ld a, $01
+	ld [wSelectedAttack], a
+	call CheckIfSelectedAttackIsUnusable
+	jr c, .cant_attack_or_ko
+.can_attack
+	ld a, $01
+	ld [wCurCardCanAttack], a
+	call CheckIfAnyAttackKnocksOutDefendingCard
+	jr nc, .check_evolution_attacks
+	call CheckIfSelectedAttackIsUnusable
+	jr c, .check_evolution_attacks
+	ld a, $01
+	ld [wCurCardCanKO], a
+	jr .check_evolution_attacks
+.cant_attack_or_ko
+	xor a
+	ld [wCurCardCanAttack], a
+	ld [wCurCardCanKO], a
+
+; check evolution to see if it can use any of its attacks:
+; if it can, raise AI score;
+; if it can't, decrease AI score and if an energy card that is needed
+; can be played from the hand, raise AI score.
+.check_evolution_attacks
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	push af
+	ld a, [wTempAIPokemonCard]
+	ld [hl], a
+	xor a
+	ld [wSelectedAttack], a
+	call CheckIfSelectedAttackIsUnusable
+	jr nc, .evolution_can_attack
+	ld a, $01
+	ld [wSelectedAttack], a
+	call CheckIfSelectedAttackIsUnusable
+	jr c, .evolution_cant_attack
+.evolution_can_attack
+	ld a, 5
+	call AddToAIScore
+	jr .check_evolution_ko
+.evolution_cant_attack
+	ld a, [wCurCardCanAttack]
+	or a
+	jr z, .check_evolution_ko
+	ld a, 2
+	call SubFromAIScore
+	ld a, [wAlreadyPlayedEnergy]
+	or a
+	jr nz, .check_evolution_ko
+	call LookForEnergyNeededInHand
+	jr nc, .check_evolution_ko
+	ld a, 7
+	call AddToAIScore
+
+; if it's an active card:
+; if evolution can't KO but the current card can, lower AI score;
+; if evolution can KO as well, raise AI score.
+.check_evolution_ko
+	ld a, [wCurCardCanAttack]
+	or a
+	jr z, .check_defending_can_ko_evolution
+	ld a, [wTempAI]
+	or a
+	jr nz, .check_defending_can_ko_evolution
+	call CheckIfAnyAttackKnocksOutDefendingCard
+	jr nc, .evolution_cant_ko
+	call CheckIfSelectedAttackIsUnusable
+	jr c, .evolution_cant_ko
+	ld a, 5
+	call AddToAIScore
+	jr .check_defending_can_ko_evolution
+.evolution_cant_ko
+	ld a, [wCurCardCanKO]
+	or a
+	jr z, .check_defending_can_ko_evolution
+	ld a, 20
+	call SubFromAIScore
+
+; if defending Pokémon can KO evolution, lower AI score
+.check_defending_can_ko_evolution
+	ld a, [wTempAI]
+	or a
+	jr nz, .check_mr_mime
+	xor a
+	ldh [hTempPlayAreaLocation_ff9d], a
+	call CheckIfDefendingPokemonCanKnockOut
+	jr nc, .check_mr_mime
+	ld a, 5
+	call SubFromAIScore
+
+; if evolution can't damage player's Mr Mime, lower AI score
+.check_mr_mime
+	ld a, [wTempAI]
+	call CheckDamageToMrMime
+	jr c, .check_defending_can_ko
+	ld a, 20
+	call SubFromAIScore
+
+; if defending Pokémon can KO current card, raise AI score
+.check_defending_can_ko
+	ld a, [wTempAI]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	pop af
+	ld [hl], a
+	ld a, [wTempAI]
+	or a
+	jr nz, .check_2nd_stage_hand
+	xor a
+	ldh [hTempPlayAreaLocation_ff9d], a
+	call CheckIfDefendingPokemonCanKnockOut
+	jr nc, .check_status
+	ld a, 5
+	call AddToAIScore
+
+; if current card has a status condition, raise AI score
+.check_status
+	ld a, DUELVARS_ARENA_CARD_STATUS
+	call GetTurnDuelistVariable
+	or a
+	jr z, .check_2nd_stage_hand
+	ld a, 4
+	call AddToAIScore
+
+; if hand has 2nd stage card to evolve evolution card, raise AI score
+.check_2nd_stage_hand
+	ld a, [wTempAIPokemonCard]
+	call CheckForEvolutionInList
+	jr nc, .check_2nd_stage_deck
+	ld a, 2
+	call AddToAIScore
+	jr .check_damage
+
+; if deck has 2nd stage card to evolve evolution card, raise AI score
+.check_2nd_stage_deck
+	ld a, [wTempAIPokemonCard]
+	call CheckForEvolutionInDeck
+	jr nc, .check_damage
+	ld a, 1
+	call AddToAIScore
+
+; decrease AI score proportional to damage
+; AI score -= floor(Damage / 40)
+.check_damage
+	ld a, [wTempAI]
+	ld e, a
+	call GetCardDamageAndMaxHP
+	or a
+	jr z, .check_mysterious_fossil
+	srl a
+	srl a
+	call CalculateByteTensDigit
+	call SubFromAIScore
+
+; if is Mysterious Fossil or
+; wLoadedCard1Unknown2 is set to $02,
+; raise AI score
+.check_mysterious_fossil
+	ld a, [wTempAI]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call LoadCardDataToBuffer1_FromDeckIndex
+	ld a, [wLoadedCard1ID]
+	cp MYSTERIOUS_FOSSIL
+	jr z, .mysterious_fossil
+	ld a, [wLoadedCard1Unknown2]
+	cp $02
+	jr nz, .pikachu_deck
+	ld a, 2
+	call AddToAIScore
+	jr .pikachu_deck
+
+.mysterious_fossil
+	ld a, 5
+	call AddToAIScore
+
+; in Pikachu Deck, decrease AI score for evolving Pikachu
+.pikachu_deck
+	ld a, [wOpponentDeckID]
+	cp PIKACHU_DECK_ID
+	jr nz, .check_score
+	ld a, [wLoadedCard1ID]
+	cp PIKACHU1
+	jr z, .pikachu
+	cp PIKACHU2
+	jr z, .pikachu
+	cp PIKACHU3
+	jr z, .pikachu
+	cp PIKACHU4
+	jr nz, .check_score
+.pikachu
+	ld a, 3
+	call SubFromAIScore
+
+; if AI score >= 133, go through with the evolution
+.check_score
+	ld a, [wAIScore]
+	cp 133
+	jr c, .done_bench_pokemon
+	ld a, [wTempAI]
+	ldh [hTempPlayAreaLocation_ffa1], a
+	ld a, [wTempAIPokemonCard]
+	ldh [hTemp_ffa0], a
+	ld a, OPPACTION_EVOLVE_PKMN
+	bank1call AIMakeDecision
+	pop bc
+	jr .done_hand_card
+
+.done_bench_pokemon
+	pop bc
+	inc b
+	dec c
+	jp nz, .next_bench_pokemon
+.done_hand_card
+	pop hl
+	jp .next_hand_card
+.done
+	or a
+	ret
+
+; determine AI score for evolving
+; Charmeleon, Magikarp, Dragonair and Grimer
+; in certain decks
+AIDecideSpecialEvolutions: ; 16120 (5:6120)
+; check if deck applies
+	ld a, [wOpponentDeckID]
+	cp LEGENDARY_DRAGONITE_DECK_ID
+	jr z, .legendary_dragonite
+	cp INVINCIBLE_RONALD_DECK_ID
+	jr z, .invincible_ronald
+	cp LEGENDARY_RONALD_DECK_ID
+	jr z, .legendary_ronald
+	ret
+
+.legendary_dragonite
+	ld a, [wLoadedCard2ID]
+	cp CHARMELEON
+	jr z, .charmeleon
+	cp MAGIKARP
+	jr z, .magikarp
+	cp DRAGONAIR
+	jr z, .dragonair
+	ret
+
+; check if number of energy cards attached to Charmeleon are at least 3
+; and if adding the energy cards in hand makes at least 6 energy cards
+.charmeleon
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	ld e, a
+	call CountNumberOfEnergyCardsAttached
+	cp 3
+	jr c, .not_enough_energy
+	push af
+	farcall CountOppEnergyCardsInHand
+	pop bc
+	add b
+	cp 6
+	jr c, .not_enough_energy
+	ld a, 3
+	call AddToAIScore
+	ret
+.not_enough_energy
+	ld a, 10
+	call SubFromAIScore
+	ret
+
+; check if Magikarp is not the active card
+; and has at least 2 energy cards attached
+.magikarp
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a ; active card
+	ret z
+	ld e, a
+	call CountNumberOfEnergyCardsAttached
+	cp 2
+	ret c
+	ld a, 3
+	call AddToAIScore
+	ret
+
+.invincible_ronald
+	ld a, [wLoadedCard2ID]
+	cp GRIMER
+	jr z, .grimer
+	ret
+
+; check if Grimer is not active card
+.grimer
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a ; active card
+	ret z
+	ld a, 10
+	call AddToAIScore
+	ret
+
+.legendary_ronald
+	ld a, [wLoadedCard2ID]
+	cp DRAGONAIR
+	jr z, .dragonair
+	ret
+
+.dragonair
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	or a ; active card
+	jr z, .is_active
+
+; if Dragonair is benched, check all Pokémon in Play Area
+; and sum all the damage in HP of all cards
+; if this result is >= 70, check if there's
+; a Muk in any duelist's Play Area
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	ld b, a
+	ld c, 0
+.loop
+	dec b
+	ld e, b
+	push bc
+	call GetCardDamageAndMaxHP
+	pop bc
+	add c
+	ld c, a
+	ld a, b
+	or a
+	jr nz, .loop
+	ld a, 70
+	cp c
+	jr c, .check_muk
+.lower_score
+	ld a, 10
+	call SubFromAIScore
+	ret
+
+; if there's no Muk, raise score
+.check_muk
+	ld a, MUK
+	call CountPokemonIDInBothPlayAreas
+	jr c, .lower_score
+	ld a, 10
+	call AddToAIScore
+	ret
+
+; if Dragonair is active, check its damage in HP
+; if this result is >= 50,
+; and if at least 3 energy cards attached,
+; check if there's a Muk in any duelist's Play Area
+.is_active
+	ld e, 0
+	call GetCardDamageAndMaxHP
+	cp 50
+	jr c, .lower_score
+	ld e, PLAY_AREA_ARENA
+	call GetPlayAreaCardAttachedEnergies
+	ld a, [wTotalAttachedEnergies]
+	cp 3
+	jr c, .lower_score
+	jr .check_muk
+
+; determine AI score for the legendary cards
+; Moltres, Zapdos and Articuno
+AIDecidePlayLegendaryBirds: ; 161d5 (5:61d5)
+; check if deck applies
+	ld a, [wOpponentDeckID]
+	cp LEGENDARY_ZAPDOS_DECK_ID
+	jr z, .begin
+	cp LEGENDARY_ARTICUNO_DECK_ID
+	jr z, .begin
+	cp LEGENDARY_RONALD_DECK_ID
+	jr z, .begin
+	ret
+
+; check if card applies
+.begin
+	ld a, [wLoadedCard1ID]
+	cp ARTICUNO2
+	jr z, .articuno
+	cp MOLTRES2
+	jr z, .moltres
+	cp ZAPDOS3
+	jr z, .zapdos
+	ret
+
+.articuno
+	; exit if not enough Pokemon in Play Area
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	cp 2
+	ret c
+
+	call CheckIfActiveCardCanKnockOut
+	jr c, .subtract
+	call CheckIfActivePokemonCanUseAnyNonResidualAttack
+	jr nc, .subtract
+	call AIDecideWhetherToRetreat
+	jr c, .subtract
+
+	; checks for player's active card status
+	ld a, DUELVARS_ARENA_CARD_STATUS
+	call GetNonTurnDuelistVariable
+	and CNF_SLP_PRZ
+	or a
+	jr nz, .subtract
+
+	; checks for player's Pokemon Power
+	call SwapTurn
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	ld d, a
+	ld e, $00
+	call CopyAttackDataAndDamage_FromDeckIndex
+	call SwapTurn
+	ld a, [wLoadedAttackCategory]
+	cp POKEMON_POWER
+	jr z, .check_muk_and_snorlax
+
+	; return if no space on the bench
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	cp MAX_BENCH_POKEMON
+	jr c, .check_muk_and_snorlax
+	ret
+
+.check_muk_and_snorlax
+	; checks for Muk in both Play Areas
+	ld a, MUK
+	call CountPokemonIDInBothPlayAreas
+	jr c, .subtract
+	; checks if player's active card is Snorlax
+	ld a, DUELVARS_ARENA_CARD
+	call GetNonTurnDuelistVariable
+	call SwapTurn
+	call GetCardIDFromDeckIndex
+	call SwapTurn
+	ld a, e
+	cp SNORLAX
+	jr z, .subtract
+
+; add
+	ld a, 70
+	call AddToAIScore
+	ret
+.subtract
+	ld a, 100
+	call SubFromAIScore
+	ret
+
+.moltres
+	; checks if there's enough cards in deck
+	ld a, DUELVARS_NUMBER_OF_CARDS_NOT_IN_DECK
+	call GetTurnDuelistVariable
+	cp 56 ; max number of cards not in deck to activate
+	jr nc, .subtract
+	ret
+
+.zapdos
+	; checks for Muk in both Play Areas
+	ld a, MUK
+	call CountPokemonIDInBothPlayAreas
+	jr c, .subtract
+	ret
diff --git a/src/engine/ai/init.asm b/src/engine/ai/init.asm
index cda2387..9f252d6 100644
--- a/src/engine/ai/init.asm
+++ b/src/engine/ai/init.asm
@@ -1,98 +1,98 @@
-InitAIDuelVars: ; 15636 (5:5636)
-	ld a, $10
-	ld hl, wcda5
-	call ClearMemory_Bank5
-	ld a, 5
-	ld [wAIPokedexCounter], a
-	ld a, $ff
-	ld [wcda5], a
-	ret
-
-; initializes some variables and sets value of wAIBarrierFlagCounter.
-; if Player uses Barrier 3 times in a row, AI checks if Player's deck
-; has only Mewtwo1 Pokemon cards (running a Mewtwo1 mill deck).
-InitAITurnVars: ; 15649 (5:5649)
-; increase Pokedex counter by 1
-	ld a, [wAIPokedexCounter]
-	inc a
-	ld [wAIPokedexCounter], a
-
-	xor a
-	ld [wPreviousAIFlags], a
-	ld [wcddb], a
-	ld [wcddc], a
-	ld [wAIRetreatedThisTurn], a
-
-; checks if the Player used an attack last turn
-; and if it was the second attack of their card.
-	ld a, [wPlayerAttackingAttackIndex]
-	cp $ff
-	jr z, .check_flag
-	or a
-	jr z, .check_flag
-	ld a, [wPlayerAttackingCardIndex]
-	cp $ff
-	jr z, .check_flag
-
-; if the card is Mewtwo1, it means the Player
-; used its second attack, Barrier.
-	call SwapTurn
-	call GetCardIDFromDeckIndex
-	call SwapTurn
-	ld a, e
-	cp MEWTWO1
-	jr nz, .check_flag
-	; Player used Barrier last turn
-
-; check if flag was already set, if so,
-; reset wAIBarrierFlagCounter to $80.
-	ld a, [wAIBarrierFlagCounter]
-	bit AI_MEWTWO_MILL_F, a
-	jr nz, .set_flag
-
-; if not, increase it by 1 and check if it exceeds 2.
-	inc a
-	ld [wAIBarrierFlagCounter], a
-	cp 3
-	jr c, .done
-
-; this means that the Player used Barrier
-; at least 3 turns in a row.
-; check if Player is running Mewtwo1-only deck,
-; if so, set wAIBarrierFlagCounter flag.
-	ld a, DUELVARS_ARENA_CARD
-	call GetNonTurnDuelistVariable
-	call SwapTurn
-	call GetCardIDFromDeckIndex
-	call SwapTurn
-	ld a, e
-	cp MEWTWO1
-	jr nz, .reset_1
-	farcall CheckIfPlayerHasPokemonOtherThanMewtwo1
-	jr nc, .set_flag
-.reset_1
-; reset wAIBarrierFlagCounter
-	xor a
-	ld [wAIBarrierFlagCounter], a
-	jr .done
-
-.set_flag
-	ld a, AI_MEWTWO_MILL
-	ld [wAIBarrierFlagCounter], a
-	jr .done
-
-.check_flag
-; increase counter by 1 if flag is set
-	ld a, [wAIBarrierFlagCounter]
-	bit AI_MEWTWO_MILL_F, a
-	jr z, .reset_2
-	inc a
-	ld [wAIBarrierFlagCounter], a
-	jr .done
-
-.reset_2
-; reset wAIBarrierFlagCounter
-	xor a
-	ld [wAIBarrierFlagCounter], a
-.done
-	ret
+InitAIDuelVars: ; 15636 (5:5636)
+	ld a, $10
+	ld hl, wcda5
+	call ClearMemory_Bank5
+	ld a, 5
+	ld [wAIPokedexCounter], a
+	ld a, $ff
+	ld [wcda5], a
+	ret
+
+; initializes some variables and sets value of wAIBarrierFlagCounter.
+; if Player uses Barrier 3 times in a row, AI checks if Player's deck
+; has only Mewtwo1 Pokemon cards (running a Mewtwo1 mill deck).
+InitAITurnVars: ; 15649 (5:5649)
+; increase Pokedex counter by 1
+	ld a, [wAIPokedexCounter]
+	inc a
+	ld [wAIPokedexCounter], a
+
+	xor a
+	ld [wPreviousAIFlags], a
+	ld [wcddb], a
+	ld [wcddc], a
+	ld [wAIRetreatedThisTurn], a
+
+; checks if the Player used an attack last turn
+; and if it was the second attack of their card.
+	ld a, [wPlayerAttackingAttackIndex]
+	cp $ff
+	jr z, .check_flag
+	or a
+	jr z, .check_flag
+	ld a, [wPlayerAttackingCardIndex]
+	cp $ff
+	jr z, .check_flag
+
+; if the card is Mewtwo1, it means the Player
+; used its second attack, Barrier.
+	call SwapTurn
+	call GetCardIDFromDeckIndex
+	call SwapTurn
+	ld a, e
+	cp MEWTWO1
+	jr nz, .check_flag
+	; Player used Barrier last turn
+
+; check if flag was already set, if so,
+; reset wAIBarrierFlagCounter to $80.
+	ld a, [wAIBarrierFlagCounter]
+	bit AI_MEWTWO_MILL_F, a
+	jr nz, .set_flag
+
+; if not, increase it by 1 and check if it exceeds 2.
+	inc a
+	ld [wAIBarrierFlagCounter], a
+	cp 3
+	jr c, .done
+
+; this means that the Player used Barrier
+; at least 3 turns in a row.
+; check if Player is running Mewtwo1-only deck,
+; if so, set wAIBarrierFlagCounter flag.
+	ld a, DUELVARS_ARENA_CARD
+	call GetNonTurnDuelistVariable
+	call SwapTurn
+	call GetCardIDFromDeckIndex
+	call SwapTurn
+	ld a, e
+	cp MEWTWO1
+	jr nz, .reset_1
+	farcall CheckIfPlayerHasPokemonOtherThanMewtwo1
+	jr nc, .set_flag
+.reset_1
+; reset wAIBarrierFlagCounter
+	xor a
+	ld [wAIBarrierFlagCounter], a
+	jr .done
+
+.set_flag
+	ld a, AI_MEWTWO_MILL
+	ld [wAIBarrierFlagCounter], a
+	jr .done
+
+.check_flag
+; increase counter by 1 if flag is set
+	ld a, [wAIBarrierFlagCounter]
+	bit AI_MEWTWO_MILL_F, a
+	jr z, .reset_2
+	inc a
+	ld [wAIBarrierFlagCounter], a
+	jr .done
+
+.reset_2
+; reset wAIBarrierFlagCounter
+	xor a
+	ld [wAIBarrierFlagCounter], a
+.done
+	ret
diff --git a/src/engine/ai/retreat.asm b/src/engine/ai/retreat.asm
index 618e859..04fc415 100644
--- a/src/engine/ai/retreat.asm
+++ b/src/engine/ai/retreat.asm
@@ -1,1009 +1,1009 @@
-; determine AI score for retreating
-; return carry if AI decides to retreat
-AIDecideWhetherToRetreat: ; 158b2 (5:58b2)
-	ld a, [wGotHeadsFromConfusionCheckDuringRetreat]
-	or a
-	jp nz, .no_carry
-	xor a
-	ld [wAIPlayEnergyCardForRetreat], a
-	call LoadDefendingPokemonColorWRAndPrizeCards
-	ld a, $80 ; initial retreat score
-	ld [wAIScore], a
-	ld a, [wcdb4]
-	or a
-	jr z, .check_status
-	srl a
-	srl a
-	sla a
-	call AddToAIScore
-
-.check_status
-	ld a, DUELVARS_ARENA_CARD_STATUS
-	call GetTurnDuelistVariable
-	or a
-	jr z, .check_ko_1 ; no status
-	and DOUBLE_POISONED
-	jr z, .check_cnf ; no poison
-	ld a, 2
-	call AddToAIScore
-.check_cnf
-	ld a, [hl]
-	and CNF_SLP_PRZ
-	cp CONFUSED
-	jr nz, .check_ko_1
-	ld a, 1
-	call AddToAIScore
-
-.check_ko_1
-	xor a
-	ldh [hTempPlayAreaLocation_ff9d], a
-	call CheckIfAnyAttackKnocksOutDefendingCard
-	jr nc, .active_cant_ko_1
-	call CheckIfSelectedAttackIsUnusable
-	jp nc, .active_cant_use_atk
-	call LookForEnergyNeededForAttackInHand
-	jr nc, .active_cant_ko_1
-
-.active_cant_use_atk
-	ld a, 5
-	call SubFromAIScore
-	ld a, [wAIOpponentPrizeCount]
-	cp 2
-	jr nc, .active_cant_ko_1
-	ld a, 35
-	call SubFromAIScore
-
-.active_cant_ko_1
-	call CheckIfDefendingPokemonCanKnockOut
-	jr nc, .defending_cant_ko
-	ld a, 2
-	call AddToAIScore
-
-	call CheckIfNotABossDeckID
-	jr c, .check_resistance_1
-	ld a, [wAIPlayerPrizeCount]
-	cp 2
-	jr nc, .check_prize_count
-	ld a, $01
-	ld [wAIPlayEnergyCardForRetreat], a
-
-.defending_cant_ko
-	call CheckIfNotABossDeckID
-	jr c, .check_resistance_1
-	ld a, [wAIPlayerPrizeCount]
-	cp 2
-	jr nc, .check_prize_count
-	ld a, 2
-	call AddToAIScore
-
-.check_prize_count
-	ld a, [wAIOpponentPrizeCount]
-	cp 2
-	jr nc, .check_resistance_1
-	ld a, 2
-	call SubFromAIScore
-
-.check_resistance_1
-	call GetArenaCardColor
-	call TranslateColorToWR
-	ld b, a
-	ld a, [wAIPlayerResistance]
-	and b
-	jr z, .check_weakness_1
-	ld a, 1
-	call AddToAIScore
-
-; check bench for Pokémon that
-; the defending card is not resistant to
-; if one is found, skip SubFromAIScore
-	ld a, [wAIPlayerResistance]
-	ld b, a
-	ld a, DUELVARS_BENCH
-	call GetTurnDuelistVariable
-.loop_resistance_1
-	ld a, [hli]
-	cp $ff
-	jr z, .exit_loop_resistance_1
-	call LoadCardDataToBuffer1_FromDeckIndex
-	ld a, [wLoadedCard1Type]
-	call TranslateColorToWR
-	and b
-	jr nz, .loop_resistance_1
-	jr .check_weakness_1
-.exit_loop_resistance_1
-	ld a, 2
-	call SubFromAIScore
-
-.check_weakness_1
-	ld a, [wAIPlayerColor]
-	ld b, a
-	call GetArenaCardWeakness
-	and b
-	jr z, .check_resistance_2
-	ld a, 2
-	call AddToAIScore
-
-; check bench for Pokémon that
-; is not weak to defending Pokémon
-; if one is found, skip SubFromAIScore
-	ld a, [wAIPlayerColor]
-	ld b, a
-	ld a, DUELVARS_BENCH
-	call GetTurnDuelistVariable
-.loop_weakness_1
-	ld a, [hli]
-	cp $ff
-	jr z, .exit_loop_weakness_1
-	call LoadCardDataToBuffer1_FromDeckIndex
-	ld a, [wLoadedCard1Weakness]
-	and b
-	jr nz, .loop_weakness_1
-	jr .check_resistance_2
-.exit_loop_weakness_1
-	ld a, 3
-	call SubFromAIScore
-
-.check_resistance_2
-	ld a, [wAIPlayerColor]
-	ld b, a
-	call GetArenaCardResistance
-	and b
-	jr z, .check_weakness_2
-	ld a, 3
-	call SubFromAIScore
-
-; check bench for Pokémon that
-; is the defending Pokémon's weakness
-; if none is found, skip AddToAIScore
-.check_weakness_2
-	ld a, [wAIPlayerWeakness]
-	ld b, a
-	ld a, DUELVARS_BENCH
-	call GetTurnDuelistVariable
-	ld e, $00
-.loop_weakness_2
-	inc e
-	ld a, [hli]
-	cp $ff
-	jr z, .check_resistance_3
-	push de
-	call LoadCardDataToBuffer1_FromDeckIndex
-	ld a, [wLoadedCard1Type]
-	call TranslateColorToWR
-	pop de
-	and b
-	jr z, .loop_weakness_2
-	ld a, 2
-	call AddToAIScore
-
-	push de
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call GetCardIDFromDeckIndex
-	ld a, e
-	pop de
-	cp PORYGON
-	jr nz, .check_weakness_3
-
-; handle Porygon
-	ld a, e
-	call CheckIfCanDamageDefendingPokemon
-	jr nc, .check_weakness_3
-	ld a, 10
-	call AddToAIScore
-	jr .check_resistance_3
-
-.check_weakness_3
-	call GetArenaCardColor
-	call TranslateColorToWR
-	ld b, a
-	ld a, [wAIPlayerWeakness]
-	and b
-	jr z, .check_resistance_3
-	ld a, 3
-	call SubFromAIScore
-
-; check bench for Pokémon that
-; is resistant to defending Pokémon
-; if none is found, skip AddToAIScore
-.check_resistance_3
-	ld a, [wAIPlayerColor]
-	ld b, a
-	ld a, DUELVARS_BENCH
-	call GetTurnDuelistVariable
-.loop_resistance_2
-	ld a, [hli]
-	cp $ff
-	jr z, .check_ko_2
-	call LoadCardDataToBuffer1_FromDeckIndex
-	ld a, [wLoadedCard1Resistance]
-	and b
-	jr z, .loop_resistance_2
-	ld a, 1
-	call AddToAIScore
-
-; check bench for Pokémon that
-; can KO defending Pokémon
-; if none is found, skip AddToAIScore
-.check_ko_2
-	ld a, DUELVARS_BENCH
-	call GetTurnDuelistVariable
-	ld c, 0
-.loop_ko_1
-	inc c
-	ld a, [hli]
-	cp $ff
-	jr z, .check_defending_id
-	ld a, c
-	ldh [hTempPlayAreaLocation_ff9d], a
-	push hl
-	push bc
-	call CheckIfAnyAttackKnocksOutDefendingCard
-	jr nc, .no_ko
-	call CheckIfSelectedAttackIsUnusable
-	jr nc, .success
-	call LookForEnergyNeededForAttackInHand
-	jr c, .success
-.no_ko
-	pop bc
-	pop hl
-	jr .loop_ko_1
-.success
-	pop bc
-	pop hl
-	ld a, 2
-	call AddToAIScore
-
-; a bench Pokémon was found that can KO
-; if this is a boss deck and it's at last prize card
-; if arena Pokémon cannot KO, add to AI score
-; and set wAIPlayEnergyCardForRetreat to $01
-
-	ld a, [wAIOpponentPrizeCount]
-	cp 2
-	jr nc, .check_defending_id
-	call CheckIfNotABossDeckID
-	jr c, .check_defending_id
-
-	xor a
-	ldh [hTempPlayAreaLocation_ff9d], a
-	call CheckIfAnyAttackKnocksOutDefendingCard
-	jr nc, .active_cant_ko_2
-	call CheckIfSelectedAttackIsUnusable
-	jp nc, .check_defending_id
-.active_cant_ko_2
-	ld a, 40
-	call AddToAIScore
-	ld a, $01
-	ld [wAIPlayEnergyCardForRetreat], a
-
-.check_defending_id
-	ld a, DUELVARS_ARENA_CARD
-	call GetNonTurnDuelistVariable
-	call SwapTurn
-	call GetCardIDFromDeckIndex
-	call SwapTurn
-	ld a, e
-	cp MR_MIME
-	jr z, .mr_mime_or_hitmonlee
-	cp HITMONLEE ; ??
-	jr nz, .check_retreat_cost
-
-; check bench if there's any Pokémon
-; that can damage defending Pokémon
-; this is done because of Mr. Mime's PKMN PWR
-; but why Hitmonlee ($87) as well?
-.mr_mime_or_hitmonlee
-	xor a
-	call CheckIfCanDamageDefendingPokemon
-	jr c, .check_retreat_cost
-	ld a, DUELVARS_BENCH
-	call GetTurnDuelistVariable
-	ld c, 0
-.loop_damage
-	inc c
-	ld a, [hli]
-	cp $ff
-	jr z, .check_retreat_cost
-	ld a, c
-	push hl
-	push bc
-	call CheckIfCanDamageDefendingPokemon
-	jr c, .can_damage
-	pop bc
-	pop hl
-	jr .loop_damage
-.can_damage
-	pop bc
-	pop hl
-	ld a, 5
-	call AddToAIScore
-	ld a, $01
-	ld [wAIPlayEnergyCardForRetreat], a
-
-; subtract from wAIScore if retreat cost is larger than 1
-; then check if any cards have at least half HP,
-; are final evolutions and can use second attack in the bench
-; and adds to wAIScore if the active Pokémon doesn't meet
-; these conditions
-.check_retreat_cost
-	xor a
-	ldh [hTempPlayAreaLocation_ff9d], a
-	call GetPlayAreaCardRetreatCost
-	cp 2
-	jr c, .one_or_none
-	cp 3
-	jr nc, .three_or_more
-	; exactly two
-	ld a, 1
-	call SubFromAIScore
-	jr .one_or_none
-
-.three_or_more
-	ld a, 2
-	call SubFromAIScore
-
-.one_or_none
-	call CheckIfArenaCardIsAtHalfHPCanEvolveAndUseSecondAttack
-	jr c, .check_defending_can_ko
-	call CountNumberOfSetUpBenchPokemon
-	cp 2
-	jr c, .check_defending_can_ko
-	call AddToAIScore
-
-; check bench for Pokémon that
-; the defending Pokémon can't knock out
-; if none is found, skip SubFromAIScore
-.check_defending_can_ko
-	ld a, DUELVARS_BENCH
-	call GetTurnDuelistVariable
-	ld e, 0
-.loop_ko_2
-	inc e
-	ld a, [hli]
-	cp $ff
-	jr z, .exit_loop_ko
-	push de
-	push hl
-	call LoadCardDataToBuffer2_FromDeckIndex
-	ld a, [wLoadedCard2ID]
-	pop hl
-	pop de
-	cp MYSTERIOUS_FOSSIL
-	jr z, .loop_ko_2
-	cp CLEFAIRY_DOLL
-	jr z, .loop_ko_2
-	ld a, e
-	ldh [hTempPlayAreaLocation_ff9d], a
-	push de
-	push hl
-	call CheckIfDefendingPokemonCanKnockOut
-	pop hl
-	pop de
-	jr c, .loop_ko_2
-	jr .check_active_id
-.exit_loop_ko
-	ld a, 20
-	call SubFromAIScore
-
-.check_active_id
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call GetCardIDFromDeckIndex
-	ld a, e
-	cp MYSTERIOUS_FOSSIL
-	jr z, .mysterious_fossil_or_clefairy_doll
-	cp CLEFAIRY_DOLL
-	jr z, .mysterious_fossil_or_clefairy_doll
-
-; if wAIScore is at least 131, set carry
-	ld a, [wAIScore]
-	cp 131
-	jr nc, .set_carry
-.no_carry
-	or a
-	ret
-.set_carry
-	scf
-	ret
-
-; set carry regardless if active card is
-; either Mysterious Fossil or Clefairy Doll
-; and there's a bench Pokémon who is not KO'd
-; by defending Pokémon and can damage it
-.mysterious_fossil_or_clefairy_doll
-	ld e, 0
-.loop_ko_3
-	inc e
-	ld a, e
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	cp $ff
-	jr z, .no_carry
-	ld a, e
-	ldh [hTempPlayAreaLocation_ff9d], a
-	push de
-	call CheckIfDefendingPokemonCanKnockOut
-	pop de
-	jr c, .loop_ko_3
-	ld a, e
-	push de
-	call CheckIfCanDamageDefendingPokemon
-	pop de
-	jr nc, .loop_ko_3
-	jr .set_carry
-
-; if player's turn and loaded attack is not a Pokémon Power OR
-; if opponent's turn and wcddb == 0
-; set wcdda's bit 7 flag
-Func_15b54: ; 15b54 (5:5b54)
-	xor a
-	ld [wcdda], a
-	ld a, [wWhoseTurn]
-	cp OPPONENT_TURN
-	jr z, .opponent
-
-; player
-	ld a, [wLoadedAttackCategory]
-	cp POKEMON_POWER
-	ret z
-	jr .set_flag
-
-.opponent
-	ld a, [wcddb]
-	or a
-	ret nz
-
-.set_flag
-	ld a, %10000000
-	ld [wcdda], a
-	ret
-
-; calculates AI score for bench Pokémon
-; returns in a and [hTempPlayAreaLocation_ff9d] the
-; Play Area location of best card to switch to.
-; returns carry if no Bench Pokemon.
-AIDecideBenchPokemonToSwitchTo: ; 15b72 (5:5b72)
-	xor a
-	ldh [hTempPlayAreaLocation_ff9d], a
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	cp 2
-	ret c
-
-; has at least 2 Pokémon in Play Area
-	call Func_15b54
-	call LoadDefendingPokemonColorWRAndPrizeCards
-	ld a, 50
-	ld [wAIScore], a
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	ld b, a
-	ld c, PLAY_AREA_ARENA
-	push bc
-	jp .store_score
-
-.next_bench
-	push bc
-	ld a, c
-	ldh [hTempPlayAreaLocation_ff9d], a
-	ld a, 50
-	ld [wAIScore], a
-
-; check if card can KO defending Pokémon
-; if it can, raise AI score
-; if on last prize card, raise AI score again
-	call CheckIfAnyAttackKnocksOutDefendingCard
-	jr nc, .check_can_use_atks
-	call CheckIfSelectedAttackIsUnusable
-	jr c, .check_can_use_atks
-	ld a, 10
-	call AddToAIScore
-	ld a, [wcdda]
-	or %00000001
-	ld [wcdda], a
-	call CountPrizes
-	cp 2
-	jp nc, .check_defending_weak
-	ld a, 10
-	call AddToAIScore
-
-; calculates damage of both attacks
-; to raise AI score accordingly
-.check_can_use_atks
-	xor a
-	ld [wSelectedAttack], a
-	call CheckIfSelectedAttackIsUnusable
-	call nc, .HandleAttackDamageScore
-	ld a, $01
-	ld [wSelectedAttack], a
-	call CheckIfSelectedAttackIsUnusable
-	call nc, .HandleAttackDamageScore
-	jr .check_energy_card
-
-; adds to AI score depending on amount of damage
-; it can inflict to the defending Pokémon
-; AI score += floor(Damage / 10) + 1
-.HandleAttackDamageScore
-	ld a, [wSelectedAttack]
-	call EstimateDamage_VersusDefendingCard
-	ld a, [wDamage]
-	call CalculateByteTensDigit
-	inc a
-	call AddToAIScore
-	ret
-
-; if an energy card that is needed is found in hand
-; calculate damage of the move and raise AI score
-; AI score += floor(Damage / 20)
-.check_energy_card
-	call LookForEnergyNeededInHand
-	jr nc, .check_attached_energy
-	ld a, [wSelectedAttack]
-	call EstimateDamage_VersusDefendingCard
-	ld a, [wDamage]
-	call CalculateByteTensDigit
-	srl a
-	call AddToAIScore
-
-; if no energies attached to card, lower AI score
-.check_attached_energy
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	ld e, a
-	call GetPlayAreaCardAttachedEnergies
-	ld a, [wTotalAttachedEnergies]
-	or a
-	jr nz, .check_mr_mime
-	ld a, 1
-	call SubFromAIScore
-
-; if can damage Mr Mime, raise AI score
-.check_mr_mime
-	ld a, DUELVARS_ARENA_CARD
-	call GetNonTurnDuelistVariable
-	call SwapTurn
-	call LoadCardDataToBuffer2_FromDeckIndex
-	call SwapTurn
-	cp MR_MIME
-	jr nz, .check_defending_weak
-	xor a
-	call EstimateDamage_VersusDefendingCard
-	ld a, [wDamage]
-	or a
-	jr nz, .can_damage
-	ld a, $01
-	call EstimateDamage_VersusDefendingCard
-	ld a, [wDamage]
-	or a
-	jr z, .check_defending_weak
-.can_damage
-	ld a, 5
-	call AddToAIScore
-
-; if defending card is weak to this card, raise AI score
-.check_defending_weak
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call LoadCardDataToBuffer1_FromDeckIndex
-	ld a, [wLoadedCard1Type]
-	call TranslateColorToWR
-	ld c, a
-	ld hl, wAIPlayerWeakness
-	and [hl]
-	jr z, .check_defending_resist
-	ld a, 3
-	call AddToAIScore
-
-; if defending card is resistant to this card, lower AI score
-.check_defending_resist
-	ld a, c
-	ld hl, wAIPlayerResistance
-	and [hl]
-	jr z, .check_resistance
-	ld a, 2
-	call SubFromAIScore
-
-; if this card is resistant to defending Pokémon, raise AI score
-.check_resistance
-	ld a, [wAIPlayerColor]
-	ld hl, wLoadedCard1Resistance
-	and [hl]
-	jr z, .check_weakness
-	ld a, 2
-	call AddToAIScore
-
-; if this card is weak to defending Pokémon, lower AI score
-.check_weakness
-	ld a, [wAIPlayerColor]
-	ld hl, wLoadedCard1Weakness
-	and [hl]
-	jr z, .check_retreat_cost
-	ld a, 3
-	call SubFromAIScore
-
-; if this card's retreat cost < 2, raise AI score
-; if this card's retreat cost > 2, lower AI score
-.check_retreat_cost
-	call GetPlayAreaCardRetreatCost
-	cp 2
-	jr c, .one_or_none
-	jr z, .check_player_prize_count
-	ld a, 1
-	call SubFromAIScore
-	jr .check_player_prize_count
-.one_or_none
-	ld a, 1
-	call AddToAIScore
-
-; if wcdda != $81
-; if defending Pokémon can KO this card
-; if player is not at last prize card, lower 3 from AI score
-; if player is at last prize card, lower 10 from AI score
-.check_player_prize_count
-	ld a, [wcdda]
-	cp %10000000 | %00000001
-	jr z, .check_hp
-	call CheckIfDefendingPokemonCanKnockOut
-	jr nc, .check_hp
-	ld e, 3
-	ld a, [wAIPlayerPrizeCount]
-	cp 1
-	jr nz, .lower_score_1
-	ld e, 10
-.lower_score_1
-	ld a, e
-	call SubFromAIScore
-
-; if this card's HP is 0, make AI score 0
-.check_hp
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD_HP
-	call GetTurnDuelistVariable
-	or a
-	jr nz, .add_hp_score
-	ld [wAIScore], a
-	jr .store_score
-
-; AI score += floor(HP/40)
-.add_hp_score
-	ld b, a
-	ld a, 4
-	call CalculateBDividedByA_Bank5
-	call CalculateByteTensDigit
-	call AddToAIScore
-
-; raise AI score if
-;	- is a Mr Mime OR
-;	- is a Mew1 and defending card is not basic stage
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call LoadCardDataToBuffer1_FromDeckIndex
-	cp MR_MIME
-	jr z, .raise_score
-	cp MEW1
-	jr nz, .asm_15cf0
-	ld a, DUELVARS_ARENA_CARD
-	call GetNonTurnDuelistVariable
-	call LoadCardDataToBuffer2_FromDeckIndex
-	ld a, [wLoadedCard2Stage]
-	or a
-	jr z, .asm_15cf0
-.raise_score
-	ld a, 5
-	call AddToAIScore
-
-; if wLoadedCard1Unknown2 == $01, lower AI score
-.asm_15cf0
-	ld a, [wLoadedCard1Unknown2]
-	cp $01
-	jr nz, .mysterious_fossil_or_clefairy_doll
-	ld a, 2
-	call SubFromAIScore
-
-; if card is Mysterious Fossil or Clefairy Doll,
-; lower AI score
-.mysterious_fossil_or_clefairy_doll
-	ld a, [wLoadedCard1ID]
-	cp MYSTERIOUS_FOSSIL
-	jr z, .lower_score_2
-	cp CLEFAIRY_DOLL
-	jr nz, .ai_score_bonus
-.lower_score_2
-	ld a, 10
-	call SubFromAIScore
-
-.ai_score_bonus
-	ld b, a
-	ld a, [wAICardListRetreatBonus + 1]
-	or a
-	jr z, .store_score
-	ld h, a
-	ld a, [wAICardListRetreatBonus]
-	ld l, a
-
-.loop_ids
-	ld a, [hli]
-	or a
-	jr z, .store_score ; list is over
-	cp b
-	jr nz, .next_id
-	ld a, [hl]
-	cp $80
-	jr c, .subtract_score
-	sub $80
-	call AddToAIScore
-	jr .next_id
-.subtract_score
-	ld c, a
-	ld a, $80
-	sub c
-	call SubFromAIScore
-.next_id
-	inc hl
-	jr .loop_ids
-
-.store_score
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	ld c, a
-	ld b, $00
-	ld hl, wPlayAreaAIScore
-	add hl, bc
-	ld a, [wAIScore]
-	ld [hl], a
-	pop bc
-	inc c
-	dec b
-	jp nz, .next_bench
-
-; done
-	xor a
-	ld [wcdb4], a
-	jp FindHighestBenchScore
-
-; handles AI action of retreating Arena Pokémon
-; and chooses which energy cards to discard.
-; if card can't discard, return carry.
-; in case it's Clefairy Doll or Mysterious Fossil,
-; handle its effect to discard itself instead of retreating.
-; input:
-;	- a = Play Area location (PLAY_AREA_*) of card to retreat to.
-AITryToRetreat: ; 15d4f (5:5d4f)
-	push af
-	ld a, [wAIPlayEnergyCardForRetreat]
-	or a
-	jr z, .check_id
-
-; AI is allowed to play an energy card
-; from the hand in order to provide
-; the necessary energy for retreat cost
-
-; check status
-	ld a, DUELVARS_ARENA_CARD_STATUS
-	call GetTurnDuelistVariable
-	and CNF_SLP_PRZ
-	cp ASLEEP
-	jp z, .check_id
-	cp PARALYZED
-	jp z, .check_id
-
-; if an energy card hasn't been played yet,
-; checks if the Pokémon needs just one more energy to retreat
-; if it does, check if there are any energy cards in hand
-; and if there are, play that energy card
-	ld a, [wAlreadyPlayedEnergy]
-	or a
-	jr nz, .check_id
-	ld e, PLAY_AREA_ARENA
-	call CountNumberOfEnergyCardsAttached
-	push af
-	xor a
-	ldh [hTempPlayAreaLocation_ff9d], a
-	call GetPlayAreaCardRetreatCost
-	pop bc
-	cp b
-	jr c, .check_id
-	jr z, .check_id
-	; energy attached < retreat cost
-	sub b
-	cp 1
-	jr nz, .check_id
-	call CreateEnergyCardListFromHand
-	jr c, .check_id
-	ld a, [wDuelTempList]
-	ldh [hTemp_ffa0], a
-	xor a
-	ldh [hTempPlayAreaLocation_ffa1], a
-	ld a, OPPACTION_PLAY_ENERGY
-	bank1call AIMakeDecision
-
-.check_id
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call GetCardIDFromDeckIndex
-	ld a, e
-	cp MYSTERIOUS_FOSSIL
-	jp z, .mysterious_fossil_or_clefairy_doll
-	cp CLEFAIRY_DOLL
-	jp z, .mysterious_fossil_or_clefairy_doll
-
-; if card is Asleep or Paralyzed, set carry and exit
-; else, load the status in hTemp_ffa0
-	pop af
-	ldh [hTempPlayAreaLocation_ffa1], a
-	ld a, DUELVARS_ARENA_CARD_STATUS
-	call GetTurnDuelistVariable
-	ld b, a
-	and CNF_SLP_PRZ
-	cp ASLEEP
-	jp z, .set_carry
-	cp PARALYZED
-	jp z, .set_carry
-	ld a, b
-	ldh [hTemp_ffa0], a
-	ld a, $ff
-	ldh [hTempRetreatCostCards], a
-
-; check energy required to retreat
-; if the cost is 0, retreat right away
-	xor a
-	ldh [hTempPlayAreaLocation_ff9d], a
-	call GetPlayAreaCardRetreatCost
-	ld [wTempCardRetreatCost], a
-	or a
-	jp z, .retreat
-
-; if cost > 0 and number of energy cards attached == cost
-; discard them all
-	xor a
-	call CreateArenaOrBenchEnergyCardList
-	ld e, PLAY_AREA_ARENA
-	call GetPlayAreaCardAttachedEnergies
-	ld a, [wTotalAttachedEnergies]
-	ld c, a
-	ld a, [wTempCardRetreatCost]
-	cp c
-	jr nz, .choose_energy_discard
-
-	ld hl, hTempRetreatCostCards
-	ld de, wDuelTempList
-.loop_1
-	ld a, [de]
-	inc de
-	ld [hli], a
-	cp $ff
-	jr nz, .loop_1
-	jp .retreat
-
-; if cost > 0 and number of energy cards attached > cost
-; choose energy cards to discard according to color
-.choose_energy_discard
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call GetCardIDFromDeckIndex
-	ld a, e
-	ld [wTempCardID], a
-	call LoadCardDataToBuffer1_FromCardID
-	ld a, [wLoadedCard1Type]
-	or TYPE_ENERGY
-	ld [wTempCardType], a
-	ld a, [wTempCardRetreatCost]
-	ld c, a
-
-; first, look for and discard double colorless energy
-; if retreat cost is >= 2
-	ld hl, wDuelTempList
-	ld de, hTempRetreatCostCards
-.loop_2
-	ld a, c
-	cp 2
-	jr c, .energy_not_same_color
-	ld a, [hli]
-	cp $ff
-	jr z, .energy_not_same_color
-	ld [de], a
-	push de
-	call GetCardIDFromDeckIndex
-	ld a, e
-	pop de
-	cp DOUBLE_COLORLESS_ENERGY
-	jr nz, .loop_2
-	ld a, [de]
-	call RemoveCardFromDuelTempList
-	dec hl
-	inc de
-	dec c
-	dec c
-	jr nz, .loop_2
-	jr .end_retreat_list
-
-; second, shuffle attached cards and discard energy cards
-; that are not of the same type as the Pokémon
-; the exception for this are cards that are needed for
-; some attacks but are not of the same color as the Pokémon
-; (i.e. Psyduck's Headache attack)
-; and energy cards attached to Eevee corresponding to a
-; color of any of its evolutions (water, fire, lightning)
-.energy_not_same_color
-	ld hl, wDuelTempList
-	call CountCardsInDuelTempList
-	call ShuffleCards
-.loop_3
-	ld a, [hli]
-	cp $ff
-	jr z, .any_energy
-	ld [de], a
-	call CheckIfEnergyIsUseful
-	jr c, .loop_3
-	ld a, [de]
-	call RemoveCardFromDuelTempList
-	dec hl
-	inc de
-	dec c
-	jr nz, .loop_3
-	jr .end_retreat_list
-
-; third, discard any card until
-; cost requirement is met
-.any_energy
-	ld hl, wDuelTempList
-.loop_4
-	ld a, [hli]
-	cp $ff
-	jr z, .set_carry
-	ld [de], a
-	inc de
-	push de
-	call GetCardIDFromDeckIndex
-	ld a, e
-	pop de
-	cp DOUBLE_COLORLESS_ENERGY
-	jr nz, .not_double_colorless
-	dec c
-	jr z, .end_retreat_list
-.not_double_colorless
-	dec c
-	jr nz, .loop_4
-
-.end_retreat_list
-	ld a, $ff
-	ld [de], a
-
-.retreat
-	ld a, OPPACTION_ATTEMPT_RETREAT
-	bank1call AIMakeDecision
-	or a
-	ret
-.set_carry
-	scf
-	ret
-
-; handle Mysterious Fossil and Clefairy Doll
-; if there are bench Pokémon, use effect to discard card
-; this is equivalent to using its Pokémon Power
-.mysterious_fossil_or_clefairy_doll
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	cp 2
-	jr nc, .has_bench
-	; doesn't have any bench
-	pop af
-	jr .set_carry
-
-.has_bench
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	ldh [hTempCardIndex_ff9f], a
-	xor a
-	ldh [hTemp_ffa0], a
-	ld a, OPPACTION_USE_PKMN_POWER
-	bank1call AIMakeDecision
-	pop af
-	ldh [hAIPkmnPowerEffectParam], a
-	ld a, OPPACTION_EXECUTE_PKMN_POWER_EFFECT
-	bank1call AIMakeDecision
-	ld a, OPPACTION_DUEL_MAIN_SCENE
-	bank1call AIMakeDecision
-	or a
-	ret
+; determine AI score for retreating
+; return carry if AI decides to retreat
+AIDecideWhetherToRetreat: ; 158b2 (5:58b2)
+	ld a, [wGotHeadsFromConfusionCheckDuringRetreat]
+	or a
+	jp nz, .no_carry
+	xor a
+	ld [wAIPlayEnergyCardForRetreat], a
+	call LoadDefendingPokemonColorWRAndPrizeCards
+	ld a, $80 ; initial retreat score
+	ld [wAIScore], a
+	ld a, [wcdb4]
+	or a
+	jr z, .check_status
+	srl a
+	srl a
+	sla a
+	call AddToAIScore
+
+.check_status
+	ld a, DUELVARS_ARENA_CARD_STATUS
+	call GetTurnDuelistVariable
+	or a
+	jr z, .check_ko_1 ; no status
+	and DOUBLE_POISONED
+	jr z, .check_cnf ; no poison
+	ld a, 2
+	call AddToAIScore
+.check_cnf
+	ld a, [hl]
+	and CNF_SLP_PRZ
+	cp CONFUSED
+	jr nz, .check_ko_1
+	ld a, 1
+	call AddToAIScore
+
+.check_ko_1
+	xor a
+	ldh [hTempPlayAreaLocation_ff9d], a
+	call CheckIfAnyAttackKnocksOutDefendingCard
+	jr nc, .active_cant_ko_1
+	call CheckIfSelectedAttackIsUnusable
+	jp nc, .active_cant_use_atk
+	call LookForEnergyNeededForAttackInHand
+	jr nc, .active_cant_ko_1
+
+.active_cant_use_atk
+	ld a, 5
+	call SubFromAIScore
+	ld a, [wAIOpponentPrizeCount]
+	cp 2
+	jr nc, .active_cant_ko_1
+	ld a, 35
+	call SubFromAIScore
+
+.active_cant_ko_1
+	call CheckIfDefendingPokemonCanKnockOut
+	jr nc, .defending_cant_ko
+	ld a, 2
+	call AddToAIScore
+
+	call CheckIfNotABossDeckID
+	jr c, .check_resistance_1
+	ld a, [wAIPlayerPrizeCount]
+	cp 2
+	jr nc, .check_prize_count
+	ld a, $01
+	ld [wAIPlayEnergyCardForRetreat], a
+
+.defending_cant_ko
+	call CheckIfNotABossDeckID
+	jr c, .check_resistance_1
+	ld a, [wAIPlayerPrizeCount]
+	cp 2
+	jr nc, .check_prize_count
+	ld a, 2
+	call AddToAIScore
+
+.check_prize_count
+	ld a, [wAIOpponentPrizeCount]
+	cp 2
+	jr nc, .check_resistance_1
+	ld a, 2
+	call SubFromAIScore
+
+.check_resistance_1
+	call GetArenaCardColor
+	call TranslateColorToWR
+	ld b, a
+	ld a, [wAIPlayerResistance]
+	and b
+	jr z, .check_weakness_1
+	ld a, 1
+	call AddToAIScore
+
+; check bench for Pokémon that
+; the defending card is not resistant to
+; if one is found, skip SubFromAIScore
+	ld a, [wAIPlayerResistance]
+	ld b, a
+	ld a, DUELVARS_BENCH
+	call GetTurnDuelistVariable
+.loop_resistance_1
+	ld a, [hli]
+	cp $ff
+	jr z, .exit_loop_resistance_1
+	call LoadCardDataToBuffer1_FromDeckIndex
+	ld a, [wLoadedCard1Type]
+	call TranslateColorToWR
+	and b
+	jr nz, .loop_resistance_1
+	jr .check_weakness_1
+.exit_loop_resistance_1
+	ld a, 2
+	call SubFromAIScore
+
+.check_weakness_1
+	ld a, [wAIPlayerColor]
+	ld b, a
+	call GetArenaCardWeakness
+	and b
+	jr z, .check_resistance_2
+	ld a, 2
+	call AddToAIScore
+
+; check bench for Pokémon that
+; is not weak to defending Pokémon
+; if one is found, skip SubFromAIScore
+	ld a, [wAIPlayerColor]
+	ld b, a
+	ld a, DUELVARS_BENCH
+	call GetTurnDuelistVariable
+.loop_weakness_1
+	ld a, [hli]
+	cp $ff
+	jr z, .exit_loop_weakness_1
+	call LoadCardDataToBuffer1_FromDeckIndex
+	ld a, [wLoadedCard1Weakness]
+	and b
+	jr nz, .loop_weakness_1
+	jr .check_resistance_2
+.exit_loop_weakness_1
+	ld a, 3
+	call SubFromAIScore
+
+.check_resistance_2
+	ld a, [wAIPlayerColor]
+	ld b, a
+	call GetArenaCardResistance
+	and b
+	jr z, .check_weakness_2
+	ld a, 3
+	call SubFromAIScore
+
+; check bench for Pokémon that
+; is the defending Pokémon's weakness
+; if none is found, skip AddToAIScore
+.check_weakness_2
+	ld a, [wAIPlayerWeakness]
+	ld b, a
+	ld a, DUELVARS_BENCH
+	call GetTurnDuelistVariable
+	ld e, $00
+.loop_weakness_2
+	inc e
+	ld a, [hli]
+	cp $ff
+	jr z, .check_resistance_3
+	push de
+	call LoadCardDataToBuffer1_FromDeckIndex
+	ld a, [wLoadedCard1Type]
+	call TranslateColorToWR
+	pop de
+	and b
+	jr z, .loop_weakness_2
+	ld a, 2
+	call AddToAIScore
+
+	push de
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call GetCardIDFromDeckIndex
+	ld a, e
+	pop de
+	cp PORYGON
+	jr nz, .check_weakness_3
+
+; handle Porygon
+	ld a, e
+	call CheckIfCanDamageDefendingPokemon
+	jr nc, .check_weakness_3
+	ld a, 10
+	call AddToAIScore
+	jr .check_resistance_3
+
+.check_weakness_3
+	call GetArenaCardColor
+	call TranslateColorToWR
+	ld b, a
+	ld a, [wAIPlayerWeakness]
+	and b
+	jr z, .check_resistance_3
+	ld a, 3
+	call SubFromAIScore
+
+; check bench for Pokémon that
+; is resistant to defending Pokémon
+; if none is found, skip AddToAIScore
+.check_resistance_3
+	ld a, [wAIPlayerColor]
+	ld b, a
+	ld a, DUELVARS_BENCH
+	call GetTurnDuelistVariable
+.loop_resistance_2
+	ld a, [hli]
+	cp $ff
+	jr z, .check_ko_2
+	call LoadCardDataToBuffer1_FromDeckIndex
+	ld a, [wLoadedCard1Resistance]
+	and b
+	jr z, .loop_resistance_2
+	ld a, 1
+	call AddToAIScore
+
+; check bench for Pokémon that
+; can KO defending Pokémon
+; if none is found, skip AddToAIScore
+.check_ko_2
+	ld a, DUELVARS_BENCH
+	call GetTurnDuelistVariable
+	ld c, 0
+.loop_ko_1
+	inc c
+	ld a, [hli]
+	cp $ff
+	jr z, .check_defending_id
+	ld a, c
+	ldh [hTempPlayAreaLocation_ff9d], a
+	push hl
+	push bc
+	call CheckIfAnyAttackKnocksOutDefendingCard
+	jr nc, .no_ko
+	call CheckIfSelectedAttackIsUnusable
+	jr nc, .success
+	call LookForEnergyNeededForAttackInHand
+	jr c, .success
+.no_ko
+	pop bc
+	pop hl
+	jr .loop_ko_1
+.success
+	pop bc
+	pop hl
+	ld a, 2
+	call AddToAIScore
+
+; a bench Pokémon was found that can KO
+; if this is a boss deck and it's at last prize card
+; if arena Pokémon cannot KO, add to AI score
+; and set wAIPlayEnergyCardForRetreat to $01
+
+	ld a, [wAIOpponentPrizeCount]
+	cp 2
+	jr nc, .check_defending_id
+	call CheckIfNotABossDeckID
+	jr c, .check_defending_id
+
+	xor a
+	ldh [hTempPlayAreaLocation_ff9d], a
+	call CheckIfAnyAttackKnocksOutDefendingCard
+	jr nc, .active_cant_ko_2
+	call CheckIfSelectedAttackIsUnusable
+	jp nc, .check_defending_id
+.active_cant_ko_2
+	ld a, 40
+	call AddToAIScore
+	ld a, $01
+	ld [wAIPlayEnergyCardForRetreat], a
+
+.check_defending_id
+	ld a, DUELVARS_ARENA_CARD
+	call GetNonTurnDuelistVariable
+	call SwapTurn
+	call GetCardIDFromDeckIndex
+	call SwapTurn
+	ld a, e
+	cp MR_MIME
+	jr z, .mr_mime_or_hitmonlee
+	cp HITMONLEE ; ??
+	jr nz, .check_retreat_cost
+
+; check bench if there's any Pokémon
+; that can damage defending Pokémon
+; this is done because of Mr. Mime's PKMN PWR
+; but why Hitmonlee ($87) as well?
+.mr_mime_or_hitmonlee
+	xor a
+	call CheckIfCanDamageDefendingPokemon
+	jr c, .check_retreat_cost
+	ld a, DUELVARS_BENCH
+	call GetTurnDuelistVariable
+	ld c, 0
+.loop_damage
+	inc c
+	ld a, [hli]
+	cp $ff
+	jr z, .check_retreat_cost
+	ld a, c
+	push hl
+	push bc
+	call CheckIfCanDamageDefendingPokemon
+	jr c, .can_damage
+	pop bc
+	pop hl
+	jr .loop_damage
+.can_damage
+	pop bc
+	pop hl
+	ld a, 5
+	call AddToAIScore
+	ld a, $01
+	ld [wAIPlayEnergyCardForRetreat], a
+
+; subtract from wAIScore if retreat cost is larger than 1
+; then check if any cards have at least half HP,
+; are final evolutions and can use second attack in the bench
+; and adds to wAIScore if the active Pokémon doesn't meet
+; these conditions
+.check_retreat_cost
+	xor a
+	ldh [hTempPlayAreaLocation_ff9d], a
+	call GetPlayAreaCardRetreatCost
+	cp 2
+	jr c, .one_or_none
+	cp 3
+	jr nc, .three_or_more
+	; exactly two
+	ld a, 1
+	call SubFromAIScore
+	jr .one_or_none
+
+.three_or_more
+	ld a, 2
+	call SubFromAIScore
+
+.one_or_none
+	call CheckIfArenaCardIsAtHalfHPCanEvolveAndUseSecondAttack
+	jr c, .check_defending_can_ko
+	call CountNumberOfSetUpBenchPokemon
+	cp 2
+	jr c, .check_defending_can_ko
+	call AddToAIScore
+
+; check bench for Pokémon that
+; the defending Pokémon can't knock out
+; if none is found, skip SubFromAIScore
+.check_defending_can_ko
+	ld a, DUELVARS_BENCH
+	call GetTurnDuelistVariable
+	ld e, 0
+.loop_ko_2
+	inc e
+	ld a, [hli]
+	cp $ff
+	jr z, .exit_loop_ko
+	push de
+	push hl
+	call LoadCardDataToBuffer2_FromDeckIndex
+	ld a, [wLoadedCard2ID]
+	pop hl
+	pop de
+	cp MYSTERIOUS_FOSSIL
+	jr z, .loop_ko_2
+	cp CLEFAIRY_DOLL
+	jr z, .loop_ko_2
+	ld a, e
+	ldh [hTempPlayAreaLocation_ff9d], a
+	push de
+	push hl
+	call CheckIfDefendingPokemonCanKnockOut
+	pop hl
+	pop de
+	jr c, .loop_ko_2
+	jr .check_active_id
+.exit_loop_ko
+	ld a, 20
+	call SubFromAIScore
+
+.check_active_id
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call GetCardIDFromDeckIndex
+	ld a, e
+	cp MYSTERIOUS_FOSSIL
+	jr z, .mysterious_fossil_or_clefairy_doll
+	cp CLEFAIRY_DOLL
+	jr z, .mysterious_fossil_or_clefairy_doll
+
+; if wAIScore is at least 131, set carry
+	ld a, [wAIScore]
+	cp 131
+	jr nc, .set_carry
+.no_carry
+	or a
+	ret
+.set_carry
+	scf
+	ret
+
+; set carry regardless if active card is
+; either Mysterious Fossil or Clefairy Doll
+; and there's a bench Pokémon who is not KO'd
+; by defending Pokémon and can damage it
+.mysterious_fossil_or_clefairy_doll
+	ld e, 0
+.loop_ko_3
+	inc e
+	ld a, e
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	cp $ff
+	jr z, .no_carry
+	ld a, e
+	ldh [hTempPlayAreaLocation_ff9d], a
+	push de
+	call CheckIfDefendingPokemonCanKnockOut
+	pop de
+	jr c, .loop_ko_3
+	ld a, e
+	push de
+	call CheckIfCanDamageDefendingPokemon
+	pop de
+	jr nc, .loop_ko_3
+	jr .set_carry
+
+; if player's turn and loaded attack is not a Pokémon Power OR
+; if opponent's turn and wcddb == 0
+; set wcdda's bit 7 flag
+Func_15b54: ; 15b54 (5:5b54)
+	xor a
+	ld [wcdda], a
+	ld a, [wWhoseTurn]
+	cp OPPONENT_TURN
+	jr z, .opponent
+
+; player
+	ld a, [wLoadedAttackCategory]
+	cp POKEMON_POWER
+	ret z
+	jr .set_flag
+
+.opponent
+	ld a, [wcddb]
+	or a
+	ret nz
+
+.set_flag
+	ld a, %10000000
+	ld [wcdda], a
+	ret
+
+; calculates AI score for bench Pokémon
+; returns in a and [hTempPlayAreaLocation_ff9d] the
+; Play Area location of best card to switch to.
+; returns carry if no Bench Pokemon.
+AIDecideBenchPokemonToSwitchTo: ; 15b72 (5:5b72)
+	xor a
+	ldh [hTempPlayAreaLocation_ff9d], a
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	cp 2
+	ret c
+
+; has at least 2 Pokémon in Play Area
+	call Func_15b54
+	call LoadDefendingPokemonColorWRAndPrizeCards
+	ld a, 50
+	ld [wAIScore], a
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	ld b, a
+	ld c, PLAY_AREA_ARENA
+	push bc
+	jp .store_score
+
+.next_bench
+	push bc
+	ld a, c
+	ldh [hTempPlayAreaLocation_ff9d], a
+	ld a, 50
+	ld [wAIScore], a
+
+; check if card can KO defending Pokémon
+; if it can, raise AI score
+; if on last prize card, raise AI score again
+	call CheckIfAnyAttackKnocksOutDefendingCard
+	jr nc, .check_can_use_atks
+	call CheckIfSelectedAttackIsUnusable
+	jr c, .check_can_use_atks
+	ld a, 10
+	call AddToAIScore
+	ld a, [wcdda]
+	or %00000001
+	ld [wcdda], a
+	call CountPrizes
+	cp 2
+	jp nc, .check_defending_weak
+	ld a, 10
+	call AddToAIScore
+
+; calculates damage of both attacks
+; to raise AI score accordingly
+.check_can_use_atks
+	xor a
+	ld [wSelectedAttack], a
+	call CheckIfSelectedAttackIsUnusable
+	call nc, .HandleAttackDamageScore
+	ld a, $01
+	ld [wSelectedAttack], a
+	call CheckIfSelectedAttackIsUnusable
+	call nc, .HandleAttackDamageScore
+	jr .check_energy_card
+
+; adds to AI score depending on amount of damage
+; it can inflict to the defending Pokémon
+; AI score += floor(Damage / 10) + 1
+.HandleAttackDamageScore
+	ld a, [wSelectedAttack]
+	call EstimateDamage_VersusDefendingCard
+	ld a, [wDamage]
+	call CalculateByteTensDigit
+	inc a
+	call AddToAIScore
+	ret
+
+; if an energy card that is needed is found in hand
+; calculate damage of the move and raise AI score
+; AI score += floor(Damage / 20)
+.check_energy_card
+	call LookForEnergyNeededInHand
+	jr nc, .check_attached_energy
+	ld a, [wSelectedAttack]
+	call EstimateDamage_VersusDefendingCard
+	ld a, [wDamage]
+	call CalculateByteTensDigit
+	srl a
+	call AddToAIScore
+
+; if no energies attached to card, lower AI score
+.check_attached_energy
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	ld e, a
+	call GetPlayAreaCardAttachedEnergies
+	ld a, [wTotalAttachedEnergies]
+	or a
+	jr nz, .check_mr_mime
+	ld a, 1
+	call SubFromAIScore
+
+; if can damage Mr Mime, raise AI score
+.check_mr_mime
+	ld a, DUELVARS_ARENA_CARD
+	call GetNonTurnDuelistVariable
+	call SwapTurn
+	call LoadCardDataToBuffer2_FromDeckIndex
+	call SwapTurn
+	cp MR_MIME
+	jr nz, .check_defending_weak
+	xor a
+	call EstimateDamage_VersusDefendingCard
+	ld a, [wDamage]
+	or a
+	jr nz, .can_damage
+	ld a, $01
+	call EstimateDamage_VersusDefendingCard
+	ld a, [wDamage]
+	or a
+	jr z, .check_defending_weak
+.can_damage
+	ld a, 5
+	call AddToAIScore
+
+; if defending card is weak to this card, raise AI score
+.check_defending_weak
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call LoadCardDataToBuffer1_FromDeckIndex
+	ld a, [wLoadedCard1Type]
+	call TranslateColorToWR
+	ld c, a
+	ld hl, wAIPlayerWeakness
+	and [hl]
+	jr z, .check_defending_resist
+	ld a, 3
+	call AddToAIScore
+
+; if defending card is resistant to this card, lower AI score
+.check_defending_resist
+	ld a, c
+	ld hl, wAIPlayerResistance
+	and [hl]
+	jr z, .check_resistance
+	ld a, 2
+	call SubFromAIScore
+
+; if this card is resistant to defending Pokémon, raise AI score
+.check_resistance
+	ld a, [wAIPlayerColor]
+	ld hl, wLoadedCard1Resistance
+	and [hl]
+	jr z, .check_weakness
+	ld a, 2
+	call AddToAIScore
+
+; if this card is weak to defending Pokémon, lower AI score
+.check_weakness
+	ld a, [wAIPlayerColor]
+	ld hl, wLoadedCard1Weakness
+	and [hl]
+	jr z, .check_retreat_cost
+	ld a, 3
+	call SubFromAIScore
+
+; if this card's retreat cost < 2, raise AI score
+; if this card's retreat cost > 2, lower AI score
+.check_retreat_cost
+	call GetPlayAreaCardRetreatCost
+	cp 2
+	jr c, .one_or_none
+	jr z, .check_player_prize_count
+	ld a, 1
+	call SubFromAIScore
+	jr .check_player_prize_count
+.one_or_none
+	ld a, 1
+	call AddToAIScore
+
+; if wcdda != $81
+; if defending Pokémon can KO this card
+; if player is not at last prize card, lower 3 from AI score
+; if player is at last prize card, lower 10 from AI score
+.check_player_prize_count
+	ld a, [wcdda]
+	cp %10000000 | %00000001
+	jr z, .check_hp
+	call CheckIfDefendingPokemonCanKnockOut
+	jr nc, .check_hp
+	ld e, 3
+	ld a, [wAIPlayerPrizeCount]
+	cp 1
+	jr nz, .lower_score_1
+	ld e, 10
+.lower_score_1
+	ld a, e
+	call SubFromAIScore
+
+; if this card's HP is 0, make AI score 0
+.check_hp
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD_HP
+	call GetTurnDuelistVariable
+	or a
+	jr nz, .add_hp_score
+	ld [wAIScore], a
+	jr .store_score
+
+; AI score += floor(HP/40)
+.add_hp_score
+	ld b, a
+	ld a, 4
+	call CalculateBDividedByA_Bank5
+	call CalculateByteTensDigit
+	call AddToAIScore
+
+; raise AI score if
+;	- is a Mr Mime OR
+;	- is a Mew1 and defending card is not basic stage
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call LoadCardDataToBuffer1_FromDeckIndex
+	cp MR_MIME
+	jr z, .raise_score
+	cp MEW1
+	jr nz, .asm_15cf0
+	ld a, DUELVARS_ARENA_CARD
+	call GetNonTurnDuelistVariable
+	call LoadCardDataToBuffer2_FromDeckIndex
+	ld a, [wLoadedCard2Stage]
+	or a
+	jr z, .asm_15cf0
+.raise_score
+	ld a, 5
+	call AddToAIScore
+
+; if wLoadedCard1Unknown2 == $01, lower AI score
+.asm_15cf0
+	ld a, [wLoadedCard1Unknown2]
+	cp $01
+	jr nz, .mysterious_fossil_or_clefairy_doll
+	ld a, 2
+	call SubFromAIScore
+
+; if card is Mysterious Fossil or Clefairy Doll,
+; lower AI score
+.mysterious_fossil_or_clefairy_doll
+	ld a, [wLoadedCard1ID]
+	cp MYSTERIOUS_FOSSIL
+	jr z, .lower_score_2
+	cp CLEFAIRY_DOLL
+	jr nz, .ai_score_bonus
+.lower_score_2
+	ld a, 10
+	call SubFromAIScore
+
+.ai_score_bonus
+	ld b, a
+	ld a, [wAICardListRetreatBonus + 1]
+	or a
+	jr z, .store_score
+	ld h, a
+	ld a, [wAICardListRetreatBonus]
+	ld l, a
+
+.loop_ids
+	ld a, [hli]
+	or a
+	jr z, .store_score ; list is over
+	cp b
+	jr nz, .next_id
+	ld a, [hl]
+	cp $80
+	jr c, .subtract_score
+	sub $80
+	call AddToAIScore
+	jr .next_id
+.subtract_score
+	ld c, a
+	ld a, $80
+	sub c
+	call SubFromAIScore
+.next_id
+	inc hl
+	jr .loop_ids
+
+.store_score
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	ld c, a
+	ld b, $00
+	ld hl, wPlayAreaAIScore
+	add hl, bc
+	ld a, [wAIScore]
+	ld [hl], a
+	pop bc
+	inc c
+	dec b
+	jp nz, .next_bench
+
+; done
+	xor a
+	ld [wcdb4], a
+	jp FindHighestBenchScore
+
+; handles AI action of retreating Arena Pokémon
+; and chooses which energy cards to discard.
+; if card can't discard, return carry.
+; in case it's Clefairy Doll or Mysterious Fossil,
+; handle its effect to discard itself instead of retreating.
+; input:
+;	- a = Play Area location (PLAY_AREA_*) of card to retreat to.
+AITryToRetreat: ; 15d4f (5:5d4f)
+	push af
+	ld a, [wAIPlayEnergyCardForRetreat]
+	or a
+	jr z, .check_id
+
+; AI is allowed to play an energy card
+; from the hand in order to provide
+; the necessary energy for retreat cost
+
+; check status
+	ld a, DUELVARS_ARENA_CARD_STATUS
+	call GetTurnDuelistVariable
+	and CNF_SLP_PRZ
+	cp ASLEEP
+	jp z, .check_id
+	cp PARALYZED
+	jp z, .check_id
+
+; if an energy card hasn't been played yet,
+; checks if the Pokémon needs just one more energy to retreat
+; if it does, check if there are any energy cards in hand
+; and if there are, play that energy card
+	ld a, [wAlreadyPlayedEnergy]
+	or a
+	jr nz, .check_id
+	ld e, PLAY_AREA_ARENA
+	call CountNumberOfEnergyCardsAttached
+	push af
+	xor a
+	ldh [hTempPlayAreaLocation_ff9d], a
+	call GetPlayAreaCardRetreatCost
+	pop bc
+	cp b
+	jr c, .check_id
+	jr z, .check_id
+	; energy attached < retreat cost
+	sub b
+	cp 1
+	jr nz, .check_id
+	call CreateEnergyCardListFromHand
+	jr c, .check_id
+	ld a, [wDuelTempList]
+	ldh [hTemp_ffa0], a
+	xor a
+	ldh [hTempPlayAreaLocation_ffa1], a
+	ld a, OPPACTION_PLAY_ENERGY
+	bank1call AIMakeDecision
+
+.check_id
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call GetCardIDFromDeckIndex
+	ld a, e
+	cp MYSTERIOUS_FOSSIL
+	jp z, .mysterious_fossil_or_clefairy_doll
+	cp CLEFAIRY_DOLL
+	jp z, .mysterious_fossil_or_clefairy_doll
+
+; if card is Asleep or Paralyzed, set carry and exit
+; else, load the status in hTemp_ffa0
+	pop af
+	ldh [hTempPlayAreaLocation_ffa1], a
+	ld a, DUELVARS_ARENA_CARD_STATUS
+	call GetTurnDuelistVariable
+	ld b, a
+	and CNF_SLP_PRZ
+	cp ASLEEP
+	jp z, .set_carry
+	cp PARALYZED
+	jp z, .set_carry
+	ld a, b
+	ldh [hTemp_ffa0], a
+	ld a, $ff
+	ldh [hTempRetreatCostCards], a
+
+; check energy required to retreat
+; if the cost is 0, retreat right away
+	xor a
+	ldh [hTempPlayAreaLocation_ff9d], a
+	call GetPlayAreaCardRetreatCost
+	ld [wTempCardRetreatCost], a
+	or a
+	jp z, .retreat
+
+; if cost > 0 and number of energy cards attached == cost
+; discard them all
+	xor a
+	call CreateArenaOrBenchEnergyCardList
+	ld e, PLAY_AREA_ARENA
+	call GetPlayAreaCardAttachedEnergies
+	ld a, [wTotalAttachedEnergies]
+	ld c, a
+	ld a, [wTempCardRetreatCost]
+	cp c
+	jr nz, .choose_energy_discard
+
+	ld hl, hTempRetreatCostCards
+	ld de, wDuelTempList
+.loop_1
+	ld a, [de]
+	inc de
+	ld [hli], a
+	cp $ff
+	jr nz, .loop_1
+	jp .retreat
+
+; if cost > 0 and number of energy cards attached > cost
+; choose energy cards to discard according to color
+.choose_energy_discard
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call GetCardIDFromDeckIndex
+	ld a, e
+	ld [wTempCardID], a
+	call LoadCardDataToBuffer1_FromCardID
+	ld a, [wLoadedCard1Type]
+	or TYPE_ENERGY
+	ld [wTempCardType], a
+	ld a, [wTempCardRetreatCost]
+	ld c, a
+
+; first, look for and discard double colorless energy
+; if retreat cost is >= 2
+	ld hl, wDuelTempList
+	ld de, hTempRetreatCostCards
+.loop_2
+	ld a, c
+	cp 2
+	jr c, .energy_not_same_color
+	ld a, [hli]
+	cp $ff
+	jr z, .energy_not_same_color
+	ld [de], a
+	push de
+	call GetCardIDFromDeckIndex
+	ld a, e
+	pop de
+	cp DOUBLE_COLORLESS_ENERGY
+	jr nz, .loop_2
+	ld a, [de]
+	call RemoveCardFromDuelTempList
+	dec hl
+	inc de
+	dec c
+	dec c
+	jr nz, .loop_2
+	jr .end_retreat_list
+
+; second, shuffle attached cards and discard energy cards
+; that are not of the same type as the Pokémon
+; the exception for this are cards that are needed for
+; some attacks but are not of the same color as the Pokémon
+; (i.e. Psyduck's Headache attack)
+; and energy cards attached to Eevee corresponding to a
+; color of any of its evolutions (water, fire, lightning)
+.energy_not_same_color
+	ld hl, wDuelTempList
+	call CountCardsInDuelTempList
+	call ShuffleCards
+.loop_3
+	ld a, [hli]
+	cp $ff
+	jr z, .any_energy
+	ld [de], a
+	call CheckIfEnergyIsUseful
+	jr c, .loop_3
+	ld a, [de]
+	call RemoveCardFromDuelTempList
+	dec hl
+	inc de
+	dec c
+	jr nz, .loop_3
+	jr .end_retreat_list
+
+; third, discard any card until
+; cost requirement is met
+.any_energy
+	ld hl, wDuelTempList
+.loop_4
+	ld a, [hli]
+	cp $ff
+	jr z, .set_carry
+	ld [de], a
+	inc de
+	push de
+	call GetCardIDFromDeckIndex
+	ld a, e
+	pop de
+	cp DOUBLE_COLORLESS_ENERGY
+	jr nz, .not_double_colorless
+	dec c
+	jr z, .end_retreat_list
+.not_double_colorless
+	dec c
+	jr nz, .loop_4
+
+.end_retreat_list
+	ld a, $ff
+	ld [de], a
+
+.retreat
+	ld a, OPPACTION_ATTEMPT_RETREAT
+	bank1call AIMakeDecision
+	or a
+	ret
+.set_carry
+	scf
+	ret
+
+; handle Mysterious Fossil and Clefairy Doll
+; if there are bench Pokémon, use effect to discard card
+; this is equivalent to using its Pokémon Power
+.mysterious_fossil_or_clefairy_doll
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	cp 2
+	jr nc, .has_bench
+	; doesn't have any bench
+	pop af
+	jr .set_carry
+
+.has_bench
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	ldh [hTempCardIndex_ff9f], a
+	xor a
+	ldh [hTemp_ffa0], a
+	ld a, OPPACTION_USE_PKMN_POWER
+	bank1call AIMakeDecision
+	pop af
+	ldh [hAIPkmnPowerEffectParam], a
+	ld a, OPPACTION_EXECUTE_PKMN_POWER_EFFECT
+	bank1call AIMakeDecision
+	ld a, OPPACTION_DUEL_MAIN_SCENE
+	bank1call AIMakeDecision
+	or a
+	ret
diff --git a/src/engine/ai/special_attacks.asm b/src/engine/ai/special_attacks.asm
index 5ec465e..770324e 100644
--- a/src/engine/ai/special_attacks.asm
+++ b/src/engine/ai/special_attacks.asm
@@ -1,481 +1,481 @@
-; this function handles attacks with the SPECIAL_AI_HANDLING set,
-; and makes specific checks in each of these attacks
-; to either return a positive score (value above $80)
-; or a negative score (value below $80).
-; input:
-;	hTempPlayAreaLocation_ff9d = location of card with attack.
-HandleSpecialAIAttacks: ; 16dcd (5:6dcd)
-	ldh a, [hTempPlayAreaLocation_ff9d]
-	add DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	call GetCardIDFromDeckIndex
-	ld a, e
-
-	cp NIDORANF
-	jr z, .NidoranFCallForFamily
-	cp ODDISH
-	jr z, .CallForFamily
-	cp BELLSPROUT
-	jr z, .CallForFamily
-	cp EXEGGUTOR
-	jp z, .Teleport
-	cp SCYTHER
-	jp z, .SwordsDanceAndFocusEnergy
-	cp KRABBY
-	jr z, .CallForFamily
-	cp VAPOREON1
-	jp z, .SwordsDanceAndFocusEnergy
-	cp ELECTRODE2
-	jp z, .ChainLightning
-	cp MAROWAK1
-	jr z, .CallForFriend
-	cp MEW3
-	jp z, .DevolutionBeam
-	cp JIGGLYPUFF2
-	jp z, .FriendshipSong
-	cp PORYGON
-	jp z, .Conversion
-	cp MEWTWO3
-	jp z, .EnergyAbsorption
-	cp MEWTWO2
-	jp z, .EnergyAbsorption
-	cp NINETALES2
-	jp z, .MixUp
-	cp ZAPDOS3
-	jp z, .BigThunder
-	cp KANGASKHAN
-	jp z, .Fetch
-	cp DUGTRIO
-	jp z, .Earthquake
-	cp ELECTRODE1
-	jp z, .EnergySpike
-	cp GOLDUCK
-	jp z, .HyperBeam
-	cp DRAGONAIR
-	jp z, .HyperBeam
-
-; return zero score.
-.zero_score
-	xor a
-	ret
-
-; if any of card ID in a is found in deck,
-; return a score of $80 + slots available in bench.
-.CallForFamily: ; 16e3e (5:6e3e)
-	ld a, CARD_LOCATION_DECK
-	call CheckIfAnyCardIDinLocation
-	jr nc, .zero_score
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	cp MAX_BENCH_POKEMON
-	jr nc, .zero_score
-	ld b, a
-	ld a, MAX_BENCH_POKEMON
-	sub b
-	add $80
-	ret
-
-; if any of NidoranM or NidoranF is found in deck,
-; return a score of $80 + slots available in bench.
-.NidoranFCallForFamily: ; 16e55 (5:6e55)
-	ld e, NIDORANM
-	ld a, CARD_LOCATION_DECK
-	call CheckIfAnyCardIDinLocation
-	jr c, .found_nidoran
-	ld e, NIDORANF
-	ld a, CARD_LOCATION_DECK
-	call CheckIfAnyCardIDinLocation
-	jr nc, .zero_score
-.found_nidoran
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	cp MAX_PLAY_AREA_POKEMON
-	jr nc, .zero_score
-	ld b, a
-	ld a, MAX_PLAY_AREA_POKEMON
-	sub b
-	add $80
-	ret
-
-; checks for certain card IDs of Fighting color in deck.
-; if any of them are found, return a score of
-; $80 + slots available in bench.
-.CallForFriend: ; 16e77 (5:6e77)
-	ld e, GEODUDE
-	ld a, CARD_LOCATION_DECK
-	call CheckIfAnyCardIDinLocation
-	jr c, .found_fighting_card
-	ld e, ONIX
-	ld a, CARD_LOCATION_DECK
-	call CheckIfAnyCardIDinLocation
-	jr c, .found_fighting_card
-	ld e, CUBONE
-	ld a, CARD_LOCATION_DECK
-	call CheckIfAnyCardIDinLocation
-	jr c, .found_fighting_card
-	ld e, RHYHORN
-	ld a, CARD_LOCATION_DECK
-	call CheckIfAnyCardIDinLocation
-	jr c, .found_fighting_card
-	jr .zero_score
-.found_fighting_card
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	cp MAX_BENCH_POKEMON
-	jr nc, .zero_score
-	ld b, a
-	ld a, MAX_BENCH_POKEMON
-	sub b
-	add $80
-	ret
-
-; if any basic cards are found in deck,
-; return a score of $80 + slots available in bench.
-.FriendshipSong: ; 16ead (5:6ead)
-	call CheckIfAnyBasicPokemonInDeck
-	jr nc, .zero_score
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetTurnDuelistVariable
-	cp MAX_PLAY_AREA_POKEMON
-	jr nc, .zero_score
-	ld b, a
-	ld a, MAX_PLAY_AREA_POKEMON
-	sub b
-	add $80
-	ret
-
-; if AI decides to retreat, return a score of $80 + 10.
-.Teleport: ; 16ec2 (5:6ec2)
-	call AIDecideWhetherToRetreat
-	jp nc, .zero_score
-	ld a, $8a
-	ret
-
-; tests for the following conditions:
-; - player is under No Damage substatus;
-; - second attack is unusable;
-; - second attack deals no damage;
-; if any are true, returns score of $80 + 5.
-.SwordsDanceAndFocusEnergy: ; 16ecb (5:6ecb)
-	ld a, [wAICannotDamage]
-	or a
-	jr nz, .swords_dance_focus_energy_success
-	ld a, SECOND_ATTACK
-	ld [wSelectedAttack], a
-	call CheckIfSelectedAttackIsUnusable
-	jr c, .swords_dance_focus_energy_success
-	ld a, SECOND_ATTACK
-	call EstimateDamage_VersusDefendingCard
-	ld a, [wDamage]
-	or a
-	jp nz, .zero_score
-.swords_dance_focus_energy_success
-	ld a, $85
-	ret
-
-; checks player's active card color, then
-; loops through bench looking for a Pokémon
-; with that same color.
-; if none are found, returns score of $80 + 2.
-.ChainLightning: ; 16eea (5:6eea)
-	call SwapTurn
-	call GetArenaCardColor
-	call SwapTurn
-	ld b, a
-	ld a, DUELVARS_BENCH
-	call GetTurnDuelistVariable
-.loop_chain_lightning_bench
-	ld a, [hli]
-	cp $ff
-	jr z, .chain_lightning_success
-	push bc
-	call GetCardIDFromDeckIndex
-	call GetCardType
-	pop bc
-	cp b
-	jr nz, .loop_chain_lightning_bench
-	jp .zero_score
-.chain_lightning_success
-	ld a, $82
-	ret
-
-.DevolutionBeam: ; 16f0f (5:6f0f)
-	call LookForCardThatIsKnockedOutOnDevolution
-	jp nc, .zero_score
-	ld a, $85
-	ret
-
-; first checks if card is confused, and if so return 0.
-; then checks number of Pokémon in bench that are viable to use:
-; - if that number is < 2  and this attack is Conversion 1 OR
-; - if that number is >= 2 and this attack is Conversion 2
-; then return score of $80 + 2.
-; otherwise return score of $80 + 1.
-.Conversion: ; 16f18 (5:6f18)
-	ld a, DUELVARS_ARENA_CARD_STATUS
-	call GetTurnDuelistVariable
-	and CNF_SLP_PRZ
-	cp CONFUSED
-	jp z, .zero_score
-
-	ld a, [wSelectedAttack]
-	or a
-	jr nz, .conversion_2
-
-; conversion 1
-	call CountNumberOfSetUpBenchPokemon
-	cp 2
-	jr c, .low_conversion_score
-	ld a, $82
-	ret
-
-.conversion_2
-	call CountNumberOfSetUpBenchPokemon
-	cp 2
-	jr nc, .low_conversion_score
-	ld a, $82
-	ret
-
-.low_conversion_score
-	ld a, $81
-	ret
-
-; if any Psychic Energy is found in the Discard Pile,
-; return a score of $80 + 2.
-.EnergyAbsorption: ; 16f41 (5:6f41)
-	ld e, PSYCHIC_ENERGY
-	ld a, CARD_LOCATION_DISCARD_PILE
-	call CheckIfAnyCardIDinLocation
-	jp nc, .zero_score
-	ld a, $82
-	ret
-
-; if player has cards in hand, AI calls Random:
-; - 1/3 chance to encourage attack regardless;
-; - 1/3 chance to dismiss attack regardless;
-; - 1/3 change to make some checks to player's hand.
-; AI tallies number of basic cards in hand, and if this
-; number is >= 2, encourage attack.
-; otherwise, if it finds an evolution card in hand that
-; can evolve a card in player's deck, encourage.
-; if encouraged, returns a score of $80 + 3.
-.MixUp: ; 16f4e (5:6f4e)
-	ld a, DUELVARS_NUMBER_OF_CARDS_IN_HAND
-	call GetNonTurnDuelistVariable
-	or a
-	ret z
-
-	ld a, 3
-	call Random
-	or a
-	jr z, .encourage_mix_up
-	dec a
-	ret z
-	call SwapTurn
-	call CreateHandCardList
-	call SwapTurn
-	or a
-	ret z ; return if no hand cards (again)
-	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
-	call GetNonTurnDuelistVariable
-	cp 3
-	jr nc, .mix_up_check_play_area
-
-	ld hl, wDuelTempList
-	ld b, 0
-.loop_mix_up_hand
-	ld a, [hli]
-	cp $ff
-	jr z, .tally_basic_cards
-	push bc
-	call SwapTurn
-	call LoadCardDataToBuffer2_FromDeckIndex
-	call SwapTurn
-	pop bc
-	ld a, [wLoadedCard2Type]
-	cp TYPE_ENERGY
-	jr nc, .loop_mix_up_hand
-	ld a, [wLoadedCard2Stage]
-	or a
-	jr nz, .loop_mix_up_hand
-	; is a basic Pokémon card
-	inc b
-	jr .loop_mix_up_hand
-.tally_basic_cards
-	ld a, b
-	cp 2
-	jr nc, .encourage_mix_up
-
-; less than 2 basic cards in hand
-.mix_up_check_play_area
-	ld a, DUELVARS_ARENA_CARD
-	call GetNonTurnDuelistVariable
-.loop_mix_up_play_area
-	ld a, [hli]
-	cp $ff
-	jp z, .zero_score
-	push hl
-	call SwapTurn
-	call CheckForEvolutionInList
-	call SwapTurn
-	pop hl
-	jr nc, .loop_mix_up_play_area
-
-.encourage_mix_up
-	ld a, $83
-	ret
-
-; return score of $80 + 3.
-.BigThunder: ; 16fb8 (5:6fb8)
-	ld a, $83
-	ret
-
-; dismiss attack if cards in deck <= 20.
-; otherwise return a score of $80 + 0.
-.Fetch: ; 16fbb (5:6fbb)
-	ld a, DUELVARS_NUMBER_OF_CARDS_NOT_IN_DECK
-	call GetTurnDuelistVariable
-	cp 41
-	jp nc, .zero_score
-	ld a, $80
-	ret
-
-; dismiss attack if number of own benched cards which would
-; be KOd is greater than or equal to the number
-; of prize cards left for player.
-.Earthquake: ; 16fc8 (5:6fc8)
-	ld a, DUELVARS_BENCH
-	call GetTurnDuelistVariable
-
-	lb de, 0, 0
-.loop_earthquake
-	inc e
-	ld a, [hli]
-	cp $ff
-	jr z, .count_prizes
-	ld a, e
-	add DUELVARS_ARENA_CARD_HP
-	call GetTurnDuelistVariable
-	cp 20
-	jr nc, .loop_earthquake
-	inc d
-	jr .loop_earthquake
-
-.count_prizes
-	push de
-	call CountPrizes
-	pop de
-	cp d
-	jp c, .zero_score
-	jp z, .zero_score
-	ld a, $80
-	ret
-
-; if there's any lightning energy cards in deck,
-; return a score of $80 + 3.
-.EnergySpike: ; 16ff2 (5:6ff2)
-	ld a, CARD_LOCATION_DECK
-	ld e, LIGHTNING_ENERGY
-	call CheckIfAnyCardIDinLocation
-	jp nc, .zero_score
-	call AIProcessButDontPlayEnergy_SkipEvolution
-	jp nc, .zero_score
-	ld a, $83
-	ret
-
-; only incentivize attack if player's active card,
-; has any energy cards attached, and if so,
-; return a score of $80 + 3.
-.HyperBeam: ; 17005 (5:7005)
-	call SwapTurn
-	ld e, PLAY_AREA_ARENA
-	call CountNumberOfEnergyCardsAttached
-	call SwapTurn
-	or a
-	jr z, .hyper_beam_neutral
-	ld a, $83
-	ret
-.hyper_beam_neutral
-	ld a, $80
-	ret
-
-; called when second attack is determined by AI to have
-; more AI score than the first attack, so that it checks
-; whether the first attack is a better alternative.
-CheckWhetherToSwitchToFirstAttack: ; 17019 (5:7019)
-; this checks whether the first attack is also viable
-; (has more than minimum score to be used)
-	ld a, [wFirstAttackAIScore]
-	cp $50
-	jr c, .keep_second_attack
-
-; first attack has more than minimum score to be used.
-; check if second attack can KO.
-; in case it can't, the AI keeps it as the attack to be used.
-; (possibly due to the assumption that if the
-; second attack cannot KO, the first attack can't KO as well.)
-	xor a
-	ldh [hTempPlayAreaLocation_ff9d], a
-	call EstimateDamage_VersusDefendingCard
-	ld a, DUELVARS_ARENA_CARD_HP
-	call GetNonTurnDuelistVariable
-	ld hl, wDamage
-	sub [hl]
-	jr z, .check_flag
-	jr nc, .keep_second_attack
-
-; second attack can ko, check its flag.
-; in case its effect is to heal user or nullify/weaken damage
-; next turn, keep second attack as the option.
-; otherwise switch to the first attack.
-.check_flag
-	ld a, DUELVARS_ARENA_CARD
-	call GetTurnDuelistVariable
-	ld d, a
-	ld e, SECOND_ATTACK
-	call CopyAttackDataAndDamage_FromDeckIndex
-	ld a, ATTACK_FLAG2_ADDRESS | HEAL_USER_F
-	call CheckLoadedAttackFlag
-	jr c, .keep_second_attack
-	ld a, ATTACK_FLAG2_ADDRESS | NULLIFY_OR_WEAKEN_ATTACK_F
-	call CheckLoadedAttackFlag
-	jr c, .keep_second_attack
-; switch to first attack
-	xor a
-	ld [wSelectedAttack], a
-	ret
-.keep_second_attack
-	ld a, $01
-	ld [wSelectedAttack], a
-	ret
-
-; returns carry if there are
-; any basic Pokémon cards in deck.
-CheckIfAnyBasicPokemonInDeck: ; 17057 (5:7057)
-	ld e, 0
-.loop
-	ld a, DUELVARS_CARD_LOCATIONS
-	add e
-	call GetTurnDuelistVariable
-	cp CARD_LOCATION_DECK
-	jr nz, .next
-	push de
-	ld a, e
-	call LoadCardDataToBuffer2_FromDeckIndex
-	pop de
-	ld a, [wLoadedCard2Type]
-	cp TYPE_ENERGY
-	jr nc, .next
-	ld a, [wLoadedCard2Stage]
-	or a
-	jr z, .set_carry
-.next
-	inc e
-	ld a, DECK_SIZE
-	cp e
-	jr nz, .loop
-	or a
-	ret
-.set_carry
-	scf
-	ret
+; this function handles attacks with the SPECIAL_AI_HANDLING set,
+; and makes specific checks in each of these attacks
+; to either return a positive score (value above $80)
+; or a negative score (value below $80).
+; input:
+;	hTempPlayAreaLocation_ff9d = location of card with attack.
+HandleSpecialAIAttacks: ; 16dcd (5:6dcd)
+	ldh a, [hTempPlayAreaLocation_ff9d]
+	add DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	call GetCardIDFromDeckIndex
+	ld a, e
+
+	cp NIDORANF
+	jr z, .NidoranFCallForFamily
+	cp ODDISH
+	jr z, .CallForFamily
+	cp BELLSPROUT
+	jr z, .CallForFamily
+	cp EXEGGUTOR
+	jp z, .Teleport
+	cp SCYTHER
+	jp z, .SwordsDanceAndFocusEnergy
+	cp KRABBY
+	jr z, .CallForFamily
+	cp VAPOREON1
+	jp z, .SwordsDanceAndFocusEnergy
+	cp ELECTRODE2
+	jp z, .ChainLightning
+	cp MAROWAK1
+	jr z, .CallForFriend
+	cp MEW3
+	jp z, .DevolutionBeam
+	cp JIGGLYPUFF2
+	jp z, .FriendshipSong
+	cp PORYGON
+	jp z, .Conversion
+	cp MEWTWO3
+	jp z, .EnergyAbsorption
+	cp MEWTWO2
+	jp z, .EnergyAbsorption
+	cp NINETALES2
+	jp z, .MixUp
+	cp ZAPDOS3
+	jp z, .BigThunder
+	cp KANGASKHAN
+	jp z, .Fetch
+	cp DUGTRIO
+	jp z, .Earthquake
+	cp ELECTRODE1
+	jp z, .EnergySpike
+	cp GOLDUCK
+	jp z, .HyperBeam
+	cp DRAGONAIR
+	jp z, .HyperBeam
+
+; return zero score.
+.zero_score
+	xor a
+	ret
+
+; if any of card ID in a is found in deck,
+; return a score of $80 + slots available in bench.
+.CallForFamily: ; 16e3e (5:6e3e)
+	ld a, CARD_LOCATION_DECK
+	call CheckIfAnyCardIDinLocation
+	jr nc, .zero_score
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	cp MAX_BENCH_POKEMON
+	jr nc, .zero_score
+	ld b, a
+	ld a, MAX_BENCH_POKEMON
+	sub b
+	add $80
+	ret
+
+; if any of NidoranM or NidoranF is found in deck,
+; return a score of $80 + slots available in bench.
+.NidoranFCallForFamily: ; 16e55 (5:6e55)
+	ld e, NIDORANM
+	ld a, CARD_LOCATION_DECK
+	call CheckIfAnyCardIDinLocation
+	jr c, .found_nidoran
+	ld e, NIDORANF
+	ld a, CARD_LOCATION_DECK
+	call CheckIfAnyCardIDinLocation
+	jr nc, .zero_score
+.found_nidoran
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	cp MAX_PLAY_AREA_POKEMON
+	jr nc, .zero_score
+	ld b, a
+	ld a, MAX_PLAY_AREA_POKEMON
+	sub b
+	add $80
+	ret
+
+; checks for certain card IDs of Fighting color in deck.
+; if any of them are found, return a score of
+; $80 + slots available in bench.
+.CallForFriend: ; 16e77 (5:6e77)
+	ld e, GEODUDE
+	ld a, CARD_LOCATION_DECK
+	call CheckIfAnyCardIDinLocation
+	jr c, .found_fighting_card
+	ld e, ONIX
+	ld a, CARD_LOCATION_DECK
+	call CheckIfAnyCardIDinLocation
+	jr c, .found_fighting_card
+	ld e, CUBONE
+	ld a, CARD_LOCATION_DECK
+	call CheckIfAnyCardIDinLocation
+	jr c, .found_fighting_card
+	ld e, RHYHORN
+	ld a, CARD_LOCATION_DECK
+	call CheckIfAnyCardIDinLocation
+	jr c, .found_fighting_card
+	jr .zero_score
+.found_fighting_card
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	cp MAX_BENCH_POKEMON
+	jr nc, .zero_score
+	ld b, a
+	ld a, MAX_BENCH_POKEMON
+	sub b
+	add $80
+	ret
+
+; if any basic cards are found in deck,
+; return a score of $80 + slots available in bench.
+.FriendshipSong: ; 16ead (5:6ead)
+	call CheckIfAnyBasicPokemonInDeck
+	jr nc, .zero_score
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetTurnDuelistVariable
+	cp MAX_PLAY_AREA_POKEMON
+	jr nc, .zero_score
+	ld b, a
+	ld a, MAX_PLAY_AREA_POKEMON
+	sub b
+	add $80
+	ret
+
+; if AI decides to retreat, return a score of $80 + 10.
+.Teleport: ; 16ec2 (5:6ec2)
+	call AIDecideWhetherToRetreat
+	jp nc, .zero_score
+	ld a, $8a
+	ret
+
+; tests for the following conditions:
+; - player is under No Damage substatus;
+; - second attack is unusable;
+; - second attack deals no damage;
+; if any are true, returns score of $80 + 5.
+.SwordsDanceAndFocusEnergy: ; 16ecb (5:6ecb)
+	ld a, [wAICannotDamage]
+	or a
+	jr nz, .swords_dance_focus_energy_success
+	ld a, SECOND_ATTACK
+	ld [wSelectedAttack], a
+	call CheckIfSelectedAttackIsUnusable
+	jr c, .swords_dance_focus_energy_success
+	ld a, SECOND_ATTACK
+	call EstimateDamage_VersusDefendingCard
+	ld a, [wDamage]
+	or a
+	jp nz, .zero_score
+.swords_dance_focus_energy_success
+	ld a, $85
+	ret
+
+; checks player's active card color, then
+; loops through bench looking for a Pokémon
+; with that same color.
+; if none are found, returns score of $80 + 2.
+.ChainLightning: ; 16eea (5:6eea)
+	call SwapTurn
+	call GetArenaCardColor
+	call SwapTurn
+	ld b, a
+	ld a, DUELVARS_BENCH
+	call GetTurnDuelistVariable
+.loop_chain_lightning_bench
+	ld a, [hli]
+	cp $ff
+	jr z, .chain_lightning_success
+	push bc
+	call GetCardIDFromDeckIndex
+	call GetCardType
+	pop bc
+	cp b
+	jr nz, .loop_chain_lightning_bench
+	jp .zero_score
+.chain_lightning_success
+	ld a, $82
+	ret
+
+.DevolutionBeam: ; 16f0f (5:6f0f)
+	call LookForCardThatIsKnockedOutOnDevolution
+	jp nc, .zero_score
+	ld a, $85
+	ret
+
+; first checks if card is confused, and if so return 0.
+; then checks number of Pokémon in bench that are viable to use:
+; - if that number is < 2  and this attack is Conversion 1 OR
+; - if that number is >= 2 and this attack is Conversion 2
+; then return score of $80 + 2.
+; otherwise return score of $80 + 1.
+.Conversion: ; 16f18 (5:6f18)
+	ld a, DUELVARS_ARENA_CARD_STATUS
+	call GetTurnDuelistVariable
+	and CNF_SLP_PRZ
+	cp CONFUSED
+	jp z, .zero_score
+
+	ld a, [wSelectedAttack]
+	or a
+	jr nz, .conversion_2
+
+; conversion 1
+	call CountNumberOfSetUpBenchPokemon
+	cp 2
+	jr c, .low_conversion_score
+	ld a, $82
+	ret
+
+.conversion_2
+	call CountNumberOfSetUpBenchPokemon
+	cp 2
+	jr nc, .low_conversion_score
+	ld a, $82
+	ret
+
+.low_conversion_score
+	ld a, $81
+	ret
+
+; if any Psychic Energy is found in the Discard Pile,
+; return a score of $80 + 2.
+.EnergyAbsorption: ; 16f41 (5:6f41)
+	ld e, PSYCHIC_ENERGY
+	ld a, CARD_LOCATION_DISCARD_PILE
+	call CheckIfAnyCardIDinLocation
+	jp nc, .zero_score
+	ld a, $82
+	ret
+
+; if player has cards in hand, AI calls Random:
+; - 1/3 chance to encourage attack regardless;
+; - 1/3 chance to dismiss attack regardless;
+; - 1/3 change to make some checks to player's hand.
+; AI tallies number of basic cards in hand, and if this
+; number is >= 2, encourage attack.
+; otherwise, if it finds an evolution card in hand that
+; can evolve a card in player's deck, encourage.
+; if encouraged, returns a score of $80 + 3.
+.MixUp: ; 16f4e (5:6f4e)
+	ld a, DUELVARS_NUMBER_OF_CARDS_IN_HAND
+	call GetNonTurnDuelistVariable
+	or a
+	ret z
+
+	ld a, 3
+	call Random
+	or a
+	jr z, .encourage_mix_up
+	dec a
+	ret z
+	call SwapTurn
+	call CreateHandCardList
+	call SwapTurn
+	or a
+	ret z ; return if no hand cards (again)
+	ld a, DUELVARS_NUMBER_OF_POKEMON_IN_PLAY_AREA
+	call GetNonTurnDuelistVariable
+	cp 3
+	jr nc, .mix_up_check_play_area
+
+	ld hl, wDuelTempList
+	ld b, 0
+.loop_mix_up_hand
+	ld a, [hli]
+	cp $ff
+	jr z, .tally_basic_cards
+	push bc
+	call SwapTurn
+	call LoadCardDataToBuffer2_FromDeckIndex
+	call SwapTurn
+	pop bc
+	ld a, [wLoadedCard2Type]
+	cp TYPE_ENERGY
+	jr nc, .loop_mix_up_hand
+	ld a, [wLoadedCard2Stage]
+	or a
+	jr nz, .loop_mix_up_hand
+	; is a basic Pokémon card
+	inc b
+	jr .loop_mix_up_hand
+.tally_basic_cards
+	ld a, b
+	cp 2
+	jr nc, .encourage_mix_up
+
+; less than 2 basic cards in hand
+.mix_up_check_play_area
+	ld a, DUELVARS_ARENA_CARD
+	call GetNonTurnDuelistVariable
+.loop_mix_up_play_area
+	ld a, [hli]
+	cp $ff
+	jp z, .zero_score
+	push hl
+	call SwapTurn
+	call CheckForEvolutionInList
+	call SwapTurn
+	pop hl
+	jr nc, .loop_mix_up_play_area
+
+.encourage_mix_up
+	ld a, $83
+	ret
+
+; return score of $80 + 3.
+.BigThunder: ; 16fb8 (5:6fb8)
+	ld a, $83
+	ret
+
+; dismiss attack if cards in deck <= 20.
+; otherwise return a score of $80 + 0.
+.Fetch: ; 16fbb (5:6fbb)
+	ld a, DUELVARS_NUMBER_OF_CARDS_NOT_IN_DECK
+	call GetTurnDuelistVariable
+	cp 41
+	jp nc, .zero_score
+	ld a, $80
+	ret
+
+; dismiss attack if number of own benched cards which would
+; be KOd is greater than or equal to the number
+; of prize cards left for player.
+.Earthquake: ; 16fc8 (5:6fc8)
+	ld a, DUELVARS_BENCH
+	call GetTurnDuelistVariable
+
+	lb de, 0, 0
+.loop_earthquake
+	inc e
+	ld a, [hli]
+	cp $ff
+	jr z, .count_prizes
+	ld a, e
+	add DUELVARS_ARENA_CARD_HP
+	call GetTurnDuelistVariable
+	cp 20
+	jr nc, .loop_earthquake
+	inc d
+	jr .loop_earthquake
+
+.count_prizes
+	push de
+	call CountPrizes
+	pop de
+	cp d
+	jp c, .zero_score
+	jp z, .zero_score
+	ld a, $80
+	ret
+
+; if there's any lightning energy cards in deck,
+; return a score of $80 + 3.
+.EnergySpike: ; 16ff2 (5:6ff2)
+	ld a, CARD_LOCATION_DECK
+	ld e, LIGHTNING_ENERGY
+	call CheckIfAnyCardIDinLocation
+	jp nc, .zero_score
+	call AIProcessButDontPlayEnergy_SkipEvolution
+	jp nc, .zero_score
+	ld a, $83
+	ret
+
+; only incentivize attack if player's active card,
+; has any energy cards attached, and if so,
+; return a score of $80 + 3.
+.HyperBeam: ; 17005 (5:7005)
+	call SwapTurn
+	ld e, PLAY_AREA_ARENA
+	call CountNumberOfEnergyCardsAttached
+	call SwapTurn
+	or a
+	jr z, .hyper_beam_neutral
+	ld a, $83
+	ret
+.hyper_beam_neutral
+	ld a, $80
+	ret
+
+; called when second attack is determined by AI to have
+; more AI score than the first attack, so that it checks
+; whether the first attack is a better alternative.
+CheckWhetherToSwitchToFirstAttack: ; 17019 (5:7019)
+; this checks whether the first attack is also viable
+; (has more than minimum score to be used)
+	ld a, [wFirstAttackAIScore]
+	cp $50
+	jr c, .keep_second_attack
+
+; first attack has more than minimum score to be used.
+; check if second attack can KO.
+; in case it can't, the AI keeps it as the attack to be used.
+; (possibly due to the assumption that if the
+; second attack cannot KO, the first attack can't KO as well.)
+	xor a
+	ldh [hTempPlayAreaLocation_ff9d], a
+	call EstimateDamage_VersusDefendingCard
+	ld a, DUELVARS_ARENA_CARD_HP
+	call GetNonTurnDuelistVariable
+	ld hl, wDamage
+	sub [hl]
+	jr z, .check_flag
+	jr nc, .keep_second_attack
+
+; second attack can ko, check its flag.
+; in case its effect is to heal user or nullify/weaken damage
+; next turn, keep second attack as the option.
+; otherwise switch to the first attack.
+.check_flag
+	ld a, DUELVARS_ARENA_CARD
+	call GetTurnDuelistVariable
+	ld d, a
+	ld e, SECOND_ATTACK
+	call CopyAttackDataAndDamage_FromDeckIndex
+	ld a, ATTACK_FLAG2_ADDRESS | HEAL_USER_F
+	call CheckLoadedAttackFlag
+	jr c, .keep_second_attack
+	ld a, ATTACK_FLAG2_ADDRESS | NULLIFY_OR_WEAKEN_ATTACK_F
+	call CheckLoadedAttackFlag
+	jr c, .keep_second_attack
+; switch to first attack
+	xor a
+	ld [wSelectedAttack], a
+	ret
+.keep_second_attack
+	ld a, $01
+	ld [wSelectedAttack], a
+	ret
+
+; returns carry if there are
+; any basic Pokémon cards in deck.
+CheckIfAnyBasicPokemonInDeck: ; 17057 (5:7057)
+	ld e, 0
+.loop
+	ld a, DUELVARS_CARD_LOCATIONS
+	add e
+	call GetTurnDuelistVariable
+	cp CARD_LOCATION_DECK
+	jr nz, .next
+	push de
+	ld a, e
+	call LoadCardDataToBuffer2_FromDeckIndex
+	pop de
+	ld a, [wLoadedCard2Type]
+	cp TYPE_ENERGY
+	jr nc, .next
+	ld a, [wLoadedCard2Stage]
+	or a
+	jr z, .set_carry
+.next
+	inc e
+	ld a, DECK_SIZE
+	cp e
+	jr nz, .loop
+	or a
+	ret
+.set_carry
+	scf
+	ret
diff --git a/src/engine/sequences/credits_sequence_commands.asm b/src/engine/sequences/credits_sequence_commands.asm
index 9b66fd4..0fde871 100644
--- a/src/engine/sequences/credits_sequence_commands.asm
+++ b/src/engine/sequences/credits_sequence_commands.asm
@@ -1,464 +1,464 @@
-SetCreditsSequenceCmdPtr: ; 1d7fc (7:57fc)
-	ld a, LOW(CreditsSequence)
-	ld [wSequenceCmdPtr + 0], a
-	ld a, HIGH(CreditsSequence)
-	ld [wSequenceCmdPtr + 1], a
-	xor a
-	ld [wSequenceDelay], a
-	ret
-
-ExecuteCreditsSequenceCmd: ; 1d80b (7:580b)
-	ld a, [wSequenceDelay]
-	or a
-	jr z, .call_func
-	cp $ff
-	ret z ; sequence ended
-
-	dec a ; still waiting
-	ld [wSequenceDelay], a
-	ret
-
-.call_func
-	ld a, [wSequenceCmdPtr + 0]
-	ld l, a
-	ld a, [wSequenceCmdPtr + 1]
-	ld h, a
-	ld a, [hli]
-	ld e, a
-	ld a, [hli]
-	ld d, a
-	push de
-	ld a, [hli]
-	ld c, a
-	ld a, [hli]
-	ld b, a
-	ld a, [hli]
-	ld e, a
-	ld a, [hli]
-	ld d, a
-	pop hl
-	call CallHL2
-	jr ExecuteCreditsSequenceCmd
-
-	ret ; stray ret
-
-AdvanceCreditsSequenceCmdPtrBy2: ; 1d835 (7:5835)
-	ld a, 2
-	jr AdvanceCreditsSequenceCmdPtr
-
-AdvanceCreditsSequenceCmdPtrBy3: ; 1d839 (7:5839)
-	ld a, 3
-	jr AdvanceCreditsSequenceCmdPtr
-
-AdvanceCreditsSequenceCmdPtrBy5: ; 1d83d (7:583d)
-	ld a, 5
-	jr AdvanceCreditsSequenceCmdPtr
-
-AdvanceCreditsSequenceCmdPtrBy6: ; 1d841 (7:5841)
-	ld a, 6
-	jr AdvanceCreditsSequenceCmdPtr
-
-AdvanceCreditsSequenceCmdPtrBy4: ; 1d845 (7:5845)
-	ld a, 4
-;	fallthrough
-
-AdvanceCreditsSequenceCmdPtr: ; 1d847 (7:5847)
-	push hl
-	ld hl, wSequenceCmdPtr
-	add [hl]
-	ld [hli], a
-	ld a, [hl]
-	adc 0
-	ld [hl], a
-	pop hl
-	ret
-
-CreditsSequenceCmd_Wait: ; 1d853 (7:5853)
-	ld a, c
-	ld [wSequenceDelay], a
-	jp AdvanceCreditsSequenceCmdPtrBy3
-
-CreditsSequenceCmd_LoadScene: ; 1d85a (7:585a)
-	push bc
-	push de
-	farcall ClearNumLoadedFramesetSubgroups
-	call EmptyScreen
-	xor a
-	ldh [hSCX], a
-	ldh [hSCY], a
-	farcall Func_1288c
-	pop de
-	pop bc
-	ld a, c
-	ld c, b
-	ld b, a
-	ld a, e
-	call LoadScene
-	jp AdvanceCreditsSequenceCmdPtrBy5
-
-CreditsSequenceCmd_LoadBooster: ; 1d878 (7:5878)
-	push bc
-	push de
-	farcall ClearNumLoadedFramesetSubgroups
-	call EmptyScreen
-	xor a
-	ldh [hSCX], a
-	ldh [hSCY], a
-	farcall Func_1288c
-	pop de
-	pop bc
-	ld a, c
-	ld c, b
-	ld b, a
-	ld a, e
-	farcall LoadBoosterGfx
-	jp AdvanceCreditsSequenceCmdPtrBy5
-
-CreditsSequenceCmd_LoadClubMap: ; 1d897 (7:5897)
-	ld b, $00
-	ld hl, wMastersBeatenList
-	add hl, bc
-	ld a, [hl]
-	or a
-	jr nz, .at_least_1
-	inc a
-.at_least_1
-	dec a
-	ld c, a
-	add a
-	add a
-	add c ; *5
-	ld c, a
-	ld hl, .CreditsOWClubMaps
-	add hl, bc
-	ld a, [hli] ; map x coord
-	ld c, a
-	ld a, [hli] ; map y coord
-	ld b, a
-	ld a, [hli] ; map ID
-	ld e, a
-	push hl
-	call LoadOWMapForCreditsSequence
-	pop hl
-	ld a, [hli]
-	ld h, [hl]
-	ld l, a
-	or h
-	jr z, .done
-
-.loop_npcs
-	ld a, [hli] ; NPC ID
-	or a
-	jr z, .done
-	ld d, a
-	ld a, [hli] ; NPC x coord
-	ld c, a
-	ld a, [hli] ; NPC y coord
-	ld b, a
-	ld a, [hli] ; NPC direction
-	ld e, a
-	push hl
-	call LoadNPCForCreditsSequence
-	pop hl
-	jr .loop_npcs
-
-.done
-	jp AdvanceCreditsSequenceCmdPtrBy3
-
-credits_club_map: MACRO
-	db \1 ; x
-	db \2 ; y
-	db \3 ; OW map
-	dw \4 ; list of NPCs to load
-ENDM
-
-.CreditsOWClubMaps
-	credits_club_map 16,  0, FIGHTING_CLUB,  .CreditsNPCs_FightingClub
-	credits_club_map 32,  0, ROCK_CLUB,      .CreditsNPCs_RockClub
-	credits_club_map 64,  0, WATER_CLUB,     .CreditsNPCs_WaterClub
-	credits_club_map 32,  0, LIGHTNING_CLUB, .CreditsNPCs_LightningClub
-	credits_club_map 32,  0, GRASS_CLUB,     .CreditsNPCs_GrassClub
-	credits_club_map 32, 16, PSYCHIC_CLUB,   .CreditsNPCs_PsychicClub
-	credits_club_map  0,  0, SCIENCE_CLUB,   .CreditsNPCs_ScienceClub
-	credits_club_map 32,  0, FIRE_CLUB,      .CreditsNPCs_FireClub
-	credits_club_map 32,  0, CHALLENGE_HALL, .CreditsNPCs_ChallengeHall
-	credits_club_map 48,  0, POKEMON_DOME,   .CreditsNPCs_PokemonDome
-
-.CreditsNPCs_FightingClub
-	; NPC ID, x, y, direction
-	db NPC_CHRIS,           4,  8, SOUTH
-	db NPC_MICHAEL,        14, 10, SOUTH
-	db NPC_JESSICA,        18,  6, EAST
-	db NPC_MITCH,          10,  4, SOUTH
-	db NPC_PLAYER_CREDITS, 10,  6, NORTH
-	db $00
-
-.CreditsNPCs_RockClub
-	; NPC ID, x, y, direction
-	db NPC_RYAN,           20, 14, EAST
-	db NPC_GENE,           12,  6, SOUTH
-	db NPC_PLAYER_CREDITS, 12,  8, NORTH
-	db $00
-
-.CreditsNPCs_WaterClub
-	; NPC ID, x, y, direction
-	db NPC_JOSHUA,         22,  8, SOUTH
-	db NPC_AMY,            22,  4, NORTH
-	db NPC_PLAYER_CREDITS, 18, 10, NORTH
-	db $00
-
-.CreditsNPCs_LightningClub
-	; NPC ID, x, y, direction
-	db NPC_NICHOLAS,        6, 10, SOUTH
-	db NPC_BRANDON,        22, 12, NORTH
-	db NPC_ISAAC,          12,  4, NORTH
-	db NPC_PLAYER_CREDITS, 12, 10, NORTH
-	db $00
-
-.CreditsNPCs_GrassClub
-	; NPC ID, x, y, direction
-	db NPC_KRISTIN,         4, 10, EAST
-	db NPC_HEATHER,        14, 16, SOUTH
-	db NPC_NIKKI,          12,  4, SOUTH
-	db NPC_PLAYER_CREDITS, 12,  6, NORTH
-	db $00
-
-.CreditsNPCs_PsychicClub
-	; NPC ID, x, y, direction
-	db NPC_DANIEL,          8,  8, NORTH
-	db NPC_STEPHANIE,      22, 12, EAST
-	db NPC_MURRAY1,        12,  6, SOUTH
-	db NPC_PLAYER_CREDITS, 12,  8, NORTH
-	db $00
-
-.CreditsNPCs_ScienceClub
-	; NPC ID, x, y, direction
-	db NPC_JOSEPH,         10, 10, WEST
-	db NPC_RICK,            4,  4, SOUTH
-	db NPC_PLAYER_CREDITS,  4,  6, NORTH
-	db $00
-
-.CreditsNPCs_FireClub
-	; NPC ID, x, y, direction
-	db NPC_ADAM,            8, 14, SOUTH
-	db NPC_JONATHAN,       18, 10, SOUTH
-	db NPC_KEN,            14,  4, SOUTH
-	db NPC_PLAYER_CREDITS, 14,  6, NORTH
-	db $00
-
-.CreditsNPCs_ChallengeHall
-	; NPC ID, x, y, direction
-	db NPC_HOST,           14,  4, SOUTH
-	db NPC_RONALD1,        18,  8, WEST
-	db NPC_PLAYER_CREDITS, 12,  8, EAST
-	db $00
-
-.CreditsNPCs_PokemonDome
-	; NPC ID, x, y, direction
-	db NPC_COURTNEY,       18,  4, SOUTH
-	db NPC_STEVE,          22,  4, SOUTH
-	db NPC_JACK,            8,  4, SOUTH
-	db NPC_ROD,            14,  6, SOUTH
-	db NPC_PLAYER_CREDITS, 14, 10, NORTH
-	db $00
-
-; bc = coordinates
-; e = OW map
-LoadOWMapForCreditsSequence: ; 1d9a6 (7:59a6)
-	push bc
-	push de
-	call EmptyScreen
-	pop de
-	pop bc
-
-	; set input coordinates and map
-	ld a, c
-	ldh [hSCX], a
-	ld a, b
-	ldh [hSCY], a
-	ld a, e
-	ld [wCurMap], a
-
-	farcall LoadMapTilesAndPals
-	farcall Func_c9c7
-	farcall SafelyCopyBGMapFromSRAMToVRAM
-	farcall DoMapOWFrame
-	xor a
-	ld [wd4ca], a
-	ld [wd4cb], a
-	ld a, PALETTE_29
-	farcall LoadPaletteData
-	ret
-
-CreditsSequenceCmd_LoadOWMap: ; 1d9d5 (7:59d5)
-	call LoadOWMapForCreditsSequence
-	jp AdvanceCreditsSequenceCmdPtrBy5
-
-CreditsSequenceCmd_DisableLCD: ; 1d9db (7:59db)
-	call DisableLCD
-	jp AdvanceCreditsSequenceCmdPtrBy2
-
-CreditsSequenceCmd_FadeIn: ; 1d9e1 (7:59e1)
-	call DisableLCD
-	call Set_WD_on
-	farcall Func_10af9
-	jp AdvanceCreditsSequenceCmdPtrBy2
-
-CreditsSequenceCmd_FadeOut: ; 1d9ee (7:59ee)
-	farcall Func_10ab4
-	call Func_3ca4
-	call EnableLCD
-	call DoFrameIfLCDEnabled
-	call DisableLCD
-	call Set_WD_off
-	jp AdvanceCreditsSequenceCmdPtrBy2
-
-CreditsSequenceCmd_DrawRectangle: ; 1da04 (7:5a04)
-	ld a, c
-	or $20
-	ld e, a
-	ld d, $00
-	ld c, b
-	ld b, 20
-	xor a
-	lb hl, 0, 0
-	call FillRectangle
-	jp AdvanceCreditsSequenceCmdPtrBy4
-
-CreditsSequenceCmd_PrintText: ; 1da17 (7:5a17)
-	ld a, $01
-	ld [wLineSeparation], a
-	push de
-	ld d, c
-	ld a, b
-	or $20
-	ld e, a
-	call InitTextPrinting
-	pop hl
-	call PrintTextNoDelay
-	jp AdvanceCreditsSequenceCmdPtrBy6
-
-CreditsSequenceCmd_PrintTextBox: ; 1da2c (7:5a2c)
-	ld a, $01
-	ld [wLineSeparation], a
-	push de
-	ld d, c
-	ld e, b
-	call InitTextPrinting
-	pop hl
-	call PrintTextNoDelay
-	jp AdvanceCreditsSequenceCmdPtrBy6
-
-CreditsSequenceCmd_InitOverlay: ; 1da3e (7:5a3e)
-	ld a, c
-	ld [wd647], a
-	ld a, b
-	ld [wd648], a
-	ld a, e
-	ld [wd649], a
-	ld a, d
-	ld [wd64a], a
-	call Func_1d765
-	jp AdvanceCreditsSequenceCmdPtrBy6
-
-CreditsSequenceCmd_LoadNPC: ; 1da54 (7:5a54)
-	call LoadNPCForCreditsSequence
-	jp AdvanceCreditsSequenceCmdPtrBy6
-
-; bc = coordinates
-; e = direction
-; d = NPC ID
-LoadNPCForCreditsSequence: ; 1da5a (7:5a5a)
-	ld a, c
-	ld [wLoadNPCXPos], a
-	ld a, b
-	ld [wLoadNPCYPos], a
-	ld a, e
-	ld [wLoadNPCDirection], a
-	ld a, d
-	farcall LoadNPCSpriteData
-	ld a, [wNPCSpriteID]
-	farcall CreateSpriteAndAnimBufferEntry
-
-	ld c, SPRITE_ANIM_COORD_X
-	call GetSpriteAnimBufferProperty
-	ldh a, [hSCX]
-	ld c, a
-	ld a, [wLoadNPCXPos]
-	add a
-	add a
-	add a ; *8
-	add 8
-	sub c
-	ld [hli], a ; x
-	ldh a, [hSCY]
-	ld c, a
-	ld a, [wLoadNPCYPos]
-	add a
-	add a
-	add a ; *8
-	add 16
-	sub c
-	ld [hli], a ; y
-
-	ld a, [wNPCAnim]
-	ld c, a
-	ld a, [wLoadNPCDirection]
-	add c
-	farcall StartNewSpriteAnimation
-	ret
-
-CreditsSequenceCmd_InitVolcanoSprite: ; 1da9e (7:5a9e)
-	farcall OverworldMap_InitVolcanoSprite
-	jp AdvanceCreditsSequenceCmdPtrBy2
-
-CreditsSequenceCmd_TransformOverlay: ; 1daa5 (7:5aa5)
-; either stretches or shrinks overlay
-; to the input configurations
-	ld l, 0
-	ld a, [wd647]
-	call .Func_1dade
-	ld [wd647], a
-	ld a, [wd648]
-	ld c, b
-	call .Func_1dade
-	ld [wd648], a
-	ld a, [wd649]
-	ld c, e
-	call .Func_1dade
-	ld [wd649], a
-	ld a, [wd64a]
-	ld c, d
-	call .Func_1dade
-	ld [wd64a], a
-	ld a, l
-	or a
-	jr z, .advance_sequence
-	ld a, 1
-	ld [wSequenceDelay], a
-	ret
-
-.advance_sequence
-	call Func_1d765
-	jp AdvanceCreditsSequenceCmdPtrBy6
-
-; compares a with c
-; if it's smaller: increase by 2 and increment l
-; if it's larger:  decrease by 2 and increment l
-; if it's equal or $ff: do nothing
-.Func_1dade
-	cp $ff
-	jr z, .done
-	cp c
-	jr z, .done
-	inc l
-	jr c, .incr_a
-; decr a
-	dec a
-	dec a
-	jr .done
-.incr_a
-	inc a
-	inc a
-.done
-	ret
+SetCreditsSequenceCmdPtr: ; 1d7fc (7:57fc)
+	ld a, LOW(CreditsSequence)
+	ld [wSequenceCmdPtr + 0], a
+	ld a, HIGH(CreditsSequence)
+	ld [wSequenceCmdPtr + 1], a
+	xor a
+	ld [wSequenceDelay], a
+	ret
+
+ExecuteCreditsSequenceCmd: ; 1d80b (7:580b)
+	ld a, [wSequenceDelay]
+	or a
+	jr z, .call_func
+	cp $ff
+	ret z ; sequence ended
+
+	dec a ; still waiting
+	ld [wSequenceDelay], a
+	ret
+
+.call_func
+	ld a, [wSequenceCmdPtr + 0]
+	ld l, a
+	ld a, [wSequenceCmdPtr + 1]
+	ld h, a
+	ld a, [hli]
+	ld e, a
+	ld a, [hli]
+	ld d, a
+	push de
+	ld a, [hli]
+	ld c, a
+	ld a, [hli]
+	ld b, a
+	ld a, [hli]
+	ld e, a
+	ld a, [hli]
+	ld d, a
+	pop hl
+	call CallHL2
+	jr ExecuteCreditsSequenceCmd
+
+	ret ; stray ret
+
+AdvanceCreditsSequenceCmdPtrBy2: ; 1d835 (7:5835)
+	ld a, 2
+	jr AdvanceCreditsSequenceCmdPtr
+
+AdvanceCreditsSequenceCmdPtrBy3: ; 1d839 (7:5839)
+	ld a, 3
+	jr AdvanceCreditsSequenceCmdPtr
+
+AdvanceCreditsSequenceCmdPtrBy5: ; 1d83d (7:583d)
+	ld a, 5
+	jr AdvanceCreditsSequenceCmdPtr
+
+AdvanceCreditsSequenceCmdPtrBy6: ; 1d841 (7:5841)
+	ld a, 6
+	jr AdvanceCreditsSequenceCmdPtr
+
+AdvanceCreditsSequenceCmdPtrBy4: ; 1d845 (7:5845)
+	ld a, 4
+;	fallthrough
+
+AdvanceCreditsSequenceCmdPtr: ; 1d847 (7:5847)
+	push hl
+	ld hl, wSequenceCmdPtr
+	add [hl]
+	ld [hli], a
+	ld a, [hl]
+	adc 0
+	ld [hl], a
+	pop hl
+	ret
+
+CreditsSequenceCmd_Wait: ; 1d853 (7:5853)
+	ld a, c
+	ld [wSequenceDelay], a
+	jp AdvanceCreditsSequenceCmdPtrBy3
+
+CreditsSequenceCmd_LoadScene: ; 1d85a (7:585a)
+	push bc
+	push de
+	farcall ClearNumLoadedFramesetSubgroups
+	call EmptyScreen
+	xor a
+	ldh [hSCX], a
+	ldh [hSCY], a
+	farcall Func_1288c
+	pop de
+	pop bc
+	ld a, c
+	ld c, b
+	ld b, a
+	ld a, e
+	call LoadScene
+	jp AdvanceCreditsSequenceCmdPtrBy5
+
+CreditsSequenceCmd_LoadBooster: ; 1d878 (7:5878)
+	push bc
+	push de
+	farcall ClearNumLoadedFramesetSubgroups
+	call EmptyScreen
+	xor a
+	ldh [hSCX], a
+	ldh [hSCY], a
+	farcall Func_1288c
+	pop de
+	pop bc
+	ld a, c
+	ld c, b
+	ld b, a
+	ld a, e
+	farcall LoadBoosterGfx
+	jp AdvanceCreditsSequenceCmdPtrBy5
+
+CreditsSequenceCmd_LoadClubMap: ; 1d897 (7:5897)
+	ld b, $00
+	ld hl, wMastersBeatenList
+	add hl, bc
+	ld a, [hl]
+	or a
+	jr nz, .at_least_1
+	inc a
+.at_least_1
+	dec a
+	ld c, a
+	add a
+	add a
+	add c ; *5
+	ld c, a
+	ld hl, .CreditsOWClubMaps
+	add hl, bc
+	ld a, [hli] ; map x coord
+	ld c, a
+	ld a, [hli] ; map y coord
+	ld b, a
+	ld a, [hli] ; map ID
+	ld e, a
+	push hl
+	call LoadOWMapForCreditsSequence
+	pop hl
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	or h
+	jr z, .done
+
+.loop_npcs
+	ld a, [hli] ; NPC ID
+	or a
+	jr z, .done
+	ld d, a
+	ld a, [hli] ; NPC x coord
+	ld c, a
+	ld a, [hli] ; NPC y coord
+	ld b, a
+	ld a, [hli] ; NPC direction
+	ld e, a
+	push hl
+	call LoadNPCForCreditsSequence
+	pop hl
+	jr .loop_npcs
+
+.done
+	jp AdvanceCreditsSequenceCmdPtrBy3
+
+credits_club_map: MACRO
+	db \1 ; x
+	db \2 ; y
+	db \3 ; OW map
+	dw \4 ; list of NPCs to load
+ENDM
+
+.CreditsOWClubMaps
+	credits_club_map 16,  0, FIGHTING_CLUB,  .CreditsNPCs_FightingClub
+	credits_club_map 32,  0, ROCK_CLUB,      .CreditsNPCs_RockClub
+	credits_club_map 64,  0, WATER_CLUB,     .CreditsNPCs_WaterClub
+	credits_club_map 32,  0, LIGHTNING_CLUB, .CreditsNPCs_LightningClub
+	credits_club_map 32,  0, GRASS_CLUB,     .CreditsNPCs_GrassClub
+	credits_club_map 32, 16, PSYCHIC_CLUB,   .CreditsNPCs_PsychicClub
+	credits_club_map  0,  0, SCIENCE_CLUB,   .CreditsNPCs_ScienceClub
+	credits_club_map 32,  0, FIRE_CLUB,      .CreditsNPCs_FireClub
+	credits_club_map 32,  0, CHALLENGE_HALL, .CreditsNPCs_ChallengeHall
+	credits_club_map 48,  0, POKEMON_DOME,   .CreditsNPCs_PokemonDome
+
+.CreditsNPCs_FightingClub
+	; NPC ID, x, y, direction
+	db NPC_CHRIS,           4,  8, SOUTH
+	db NPC_MICHAEL,        14, 10, SOUTH
+	db NPC_JESSICA,        18,  6, EAST
+	db NPC_MITCH,          10,  4, SOUTH
+	db NPC_PLAYER_CREDITS, 10,  6, NORTH
+	db $00
+
+.CreditsNPCs_RockClub
+	; NPC ID, x, y, direction
+	db NPC_RYAN,           20, 14, EAST
+	db NPC_GENE,           12,  6, SOUTH
+	db NPC_PLAYER_CREDITS, 12,  8, NORTH
+	db $00
+
+.CreditsNPCs_WaterClub
+	; NPC ID, x, y, direction
+	db NPC_JOSHUA,         22,  8, SOUTH
+	db NPC_AMY,            22,  4, NORTH
+	db NPC_PLAYER_CREDITS, 18, 10, NORTH
+	db $00
+
+.CreditsNPCs_LightningClub
+	; NPC ID, x, y, direction
+	db NPC_NICHOLAS,        6, 10, SOUTH
+	db NPC_BRANDON,        22, 12, NORTH
+	db NPC_ISAAC,          12,  4, NORTH
+	db NPC_PLAYER_CREDITS, 12, 10, NORTH
+	db $00
+
+.CreditsNPCs_GrassClub
+	; NPC ID, x, y, direction
+	db NPC_KRISTIN,         4, 10, EAST
+	db NPC_HEATHER,        14, 16, SOUTH
+	db NPC_NIKKI,          12,  4, SOUTH
+	db NPC_PLAYER_CREDITS, 12,  6, NORTH
+	db $00
+
+.CreditsNPCs_PsychicClub
+	; NPC ID, x, y, direction
+	db NPC_DANIEL,          8,  8, NORTH
+	db NPC_STEPHANIE,      22, 12, EAST
+	db NPC_MURRAY1,        12,  6, SOUTH
+	db NPC_PLAYER_CREDITS, 12,  8, NORTH
+	db $00
+
+.CreditsNPCs_ScienceClub
+	; NPC ID, x, y, direction
+	db NPC_JOSEPH,         10, 10, WEST
+	db NPC_RICK,            4,  4, SOUTH
+	db NPC_PLAYER_CREDITS,  4,  6, NORTH
+	db $00
+
+.CreditsNPCs_FireClub
+	; NPC ID, x, y, direction
+	db NPC_ADAM,            8, 14, SOUTH
+	db NPC_JONATHAN,       18, 10, SOUTH
+	db NPC_KEN,            14,  4, SOUTH
+	db NPC_PLAYER_CREDITS, 14,  6, NORTH
+	db $00
+
+.CreditsNPCs_ChallengeHall
+	; NPC ID, x, y, direction
+	db NPC_HOST,           14,  4, SOUTH
+	db NPC_RONALD1,        18,  8, WEST
+	db NPC_PLAYER_CREDITS, 12,  8, EAST
+	db $00
+
+.CreditsNPCs_PokemonDome
+	; NPC ID, x, y, direction
+	db NPC_COURTNEY,       18,  4, SOUTH
+	db NPC_STEVE,          22,  4, SOUTH
+	db NPC_JACK,            8,  4, SOUTH
+	db NPC_ROD,            14,  6, SOUTH
+	db NPC_PLAYER_CREDITS, 14, 10, NORTH
+	db $00
+
+; bc = coordinates
+; e = OW map
+LoadOWMapForCreditsSequence: ; 1d9a6 (7:59a6)
+	push bc
+	push de
+	call EmptyScreen
+	pop de
+	pop bc
+
+	; set input coordinates and map
+	ld a, c
+	ldh [hSCX], a
+	ld a, b
+	ldh [hSCY], a
+	ld a, e
+	ld [wCurMap], a
+
+	farcall LoadMapTilesAndPals
+	farcall Func_c9c7
+	farcall SafelyCopyBGMapFromSRAMToVRAM
+	farcall DoMapOWFrame
+	xor a
+	ld [wd4ca], a
+	ld [wd4cb], a
+	ld a, PALETTE_29
+	farcall LoadPaletteData
+	ret
+
+CreditsSequenceCmd_LoadOWMap: ; 1d9d5 (7:59d5)
+	call LoadOWMapForCreditsSequence
+	jp AdvanceCreditsSequenceCmdPtrBy5
+
+CreditsSequenceCmd_DisableLCD: ; 1d9db (7:59db)
+	call DisableLCD
+	jp AdvanceCreditsSequenceCmdPtrBy2
+
+CreditsSequenceCmd_FadeIn: ; 1d9e1 (7:59e1)
+	call DisableLCD
+	call Set_WD_on
+	farcall Func_10af9
+	jp AdvanceCreditsSequenceCmdPtrBy2
+
+CreditsSequenceCmd_FadeOut: ; 1d9ee (7:59ee)
+	farcall Func_10ab4
+	call Func_3ca4
+	call EnableLCD
+	call DoFrameIfLCDEnabled
+	call DisableLCD
+	call Set_WD_off
+	jp AdvanceCreditsSequenceCmdPtrBy2
+
+CreditsSequenceCmd_DrawRectangle: ; 1da04 (7:5a04)
+	ld a, c
+	or $20
+	ld e, a
+	ld d, $00
+	ld c, b
+	ld b, 20
+	xor a
+	lb hl, 0, 0
+	call FillRectangle
+	jp AdvanceCreditsSequenceCmdPtrBy4
+
+CreditsSequenceCmd_PrintText: ; 1da17 (7:5a17)
+	ld a, $01
+	ld [wLineSeparation], a
+	push de
+	ld d, c
+	ld a, b
+	or $20
+	ld e, a
+	call InitTextPrinting
+	pop hl
+	call PrintTextNoDelay
+	jp AdvanceCreditsSequenceCmdPtrBy6
+
+CreditsSequenceCmd_PrintTextBox: ; 1da2c (7:5a2c)
+	ld a, $01
+	ld [wLineSeparation], a
+	push de
+	ld d, c
+	ld e, b
+	call InitTextPrinting
+	pop hl
+	call PrintTextNoDelay
+	jp AdvanceCreditsSequenceCmdPtrBy6
+
+CreditsSequenceCmd_InitOverlay: ; 1da3e (7:5a3e)
+	ld a, c
+	ld [wd647], a
+	ld a, b
+	ld [wd648], a
+	ld a, e
+	ld [wd649], a
+	ld a, d
+	ld [wd64a], a
+	call Func_1d765
+	jp AdvanceCreditsSequenceCmdPtrBy6
+
+CreditsSequenceCmd_LoadNPC: ; 1da54 (7:5a54)
+	call LoadNPCForCreditsSequence
+	jp AdvanceCreditsSequenceCmdPtrBy6
+
+; bc = coordinates
+; e = direction
+; d = NPC ID
+LoadNPCForCreditsSequence: ; 1da5a (7:5a5a)
+	ld a, c
+	ld [wLoadNPCXPos], a
+	ld a, b
+	ld [wLoadNPCYPos], a
+	ld a, e
+	ld [wLoadNPCDirection], a
+	ld a, d
+	farcall LoadNPCSpriteData
+	ld a, [wNPCSpriteID]
+	farcall CreateSpriteAndAnimBufferEntry
+
+	ld c, SPRITE_ANIM_COORD_X
+	call GetSpriteAnimBufferProperty
+	ldh a, [hSCX]
+	ld c, a
+	ld a, [wLoadNPCXPos]
+	add a
+	add a
+	add a ; *8
+	add 8
+	sub c
+	ld [hli], a ; x
+	ldh a, [hSCY]
+	ld c, a
+	ld a, [wLoadNPCYPos]
+	add a
+	add a
+	add a ; *8
+	add 16
+	sub c
+	ld [hli], a ; y
+
+	ld a, [wNPCAnim]
+	ld c, a
+	ld a, [wLoadNPCDirection]
+	add c
+	farcall StartNewSpriteAnimation
+	ret
+
+CreditsSequenceCmd_InitVolcanoSprite: ; 1da9e (7:5a9e)
+	farcall OverworldMap_InitVolcanoSprite
+	jp AdvanceCreditsSequenceCmdPtrBy2
+
+CreditsSequenceCmd_TransformOverlay: ; 1daa5 (7:5aa5)
+; either stretches or shrinks overlay
+; to the input configurations
+	ld l, 0
+	ld a, [wd647]
+	call .Func_1dade
+	ld [wd647], a
+	ld a, [wd648]
+	ld c, b
+	call .Func_1dade
+	ld [wd648], a
+	ld a, [wd649]
+	ld c, e
+	call .Func_1dade
+	ld [wd649], a
+	ld a, [wd64a]
+	ld c, d
+	call .Func_1dade
+	ld [wd64a], a
+	ld a, l
+	or a
+	jr z, .advance_sequence
+	ld a, 1
+	ld [wSequenceDelay], a
+	ret
+
+.advance_sequence
+	call Func_1d765
+	jp AdvanceCreditsSequenceCmdPtrBy6
+
+; compares a with c
+; if it's smaller: increase by 2 and increment l
+; if it's larger:  decrease by 2 and increment l
+; if it's equal or $ff: do nothing
+.Func_1dade
+	cp $ff
+	jr z, .done
+	cp c
+	jr z, .done
+	inc l
+	jr c, .incr_a
+; decr a
+	dec a
+	dec a
+	jr .done
+.incr_a
+	inc a
+	inc a
+.done
+	ret
diff --git a/src/engine/sequences/opening_sequence_commands.asm b/src/engine/sequences/opening_sequence_commands.asm
index fac3aa7..6697b11 100644
--- a/src/engine/sequences/opening_sequence_commands.asm
+++ b/src/engine/sequences/opening_sequence_commands.asm
@@ -1,325 +1,325 @@
-ExecuteOpeningSequenceCmd: ; 1d408 (7:5408)
-	ld a, [wSequenceDelay]
-	or a
-	jr z, .call_function
-	cp $ff
-	ret z ; sequence ended
-
-	dec a ; still waiting
-	ld [wSequenceDelay], a
-	ret
-
-.call_function
-	ld a, [wSequenceCmdPtr + 0]
-	ld l, a
-	ld a, [wSequenceCmdPtr + 1]
-	ld h, a
-	ld a, [hli]
-	ld e, a
-	ld a, [hli]
-	ld d, a
-	ld a, [hli]
-	ld c, a
-	ld a, [hli]
-	ld b, a
-	ld l, e
-	ld h, d
-	call CallHL2
-	jr c, ExecuteOpeningSequenceCmd
-	ret
-
-AdvanceOpeningSequenceCmdPtrBy2: ; 1d42e (7:542e)
-	ld a, 2
-	jr AdvanceOpeningSequenceCmdPtr
-
-AdvanceOpeningSequenceCmdPtrBy3: ; 1d432 (7:5432)
-	ld a, 3
-	jr AdvanceOpeningSequenceCmdPtr
-
-AdvanceOpeningSequenceCmdPtrBy4: ; 1d436 (7:5436)
-	ld a, 4
-;	fallthrough
-
-AdvanceOpeningSequenceCmdPtr: ; 1d438 (7:5438)
-	push hl
-	ld hl, wSequenceCmdPtr
-	add [hl]
-	ld [hli], a
-	ld a, [hl]
-	adc 0
-	ld [hl], a
-	pop hl
-	ret
-
-OpeningSequenceCmd_WaitOrbsAnimation: ; 1d444 (7:5444)
-	ld c, $7
-	ld de, wTitleScreenSprites
-.loop
-	ld a, [de]
-	ld [wWhichSprite], a
-	farcall GetSpriteAnimCounter
-	cp $ff
-	jr nz, .no_carry
-	inc de
-	dec c
-	jr nz, .loop
-	call AdvanceOpeningSequenceCmdPtrBy2
-	scf
-	ret
-
-.no_carry
-	or a
-	ret
-
-OpeningSequenceCmd_Wait: ; 1d460 (7:5460)
-	ld a, c
-	ld [wSequenceDelay], a
-	call AdvanceOpeningSequenceCmdPtrBy3
-	scf
-	ret
-
-OpeningSequenceCmd_SetOrbsAnimations: ; 1d469 (7:5469)
-	ld l, c
-	ld h, b
-
-	ld c, $7
-	ld de, wTitleScreenSprites
-.loop
-	push bc
-	push de
-	ld a, [de]
-	ld [wWhichSprite], a
-	ld a, [hli]
-	farcall StartSpriteAnimation
-	pop de
-	pop bc
-	inc de
-	dec c
-	jr nz, .loop
-
-	call AdvanceOpeningSequenceCmdPtrBy4
-	scf
-	ret
-
-OpeningSequenceCmd_SetOrbsCoordinates: ; 1d486 (7:5486)
-	ld l, c
-	ld h, b
-
-	ld c, $7
-	ld de, wTitleScreenSprites
-.loop
-	push bc
-	push de
-	ld a, [de]
-	ld [wWhichSprite], a
-	push hl
-	ld c, SPRITE_ANIM_COORD_X
-	call GetSpriteAnimBufferProperty
-	ld e, l
-	ld d, h
-	pop hl
-	ld a, [hli]
-	add 8
-	ld [de], a ; x
-	inc de
-	ld a, [hli]
-	add 16
-	ld [de], a ; y
-	pop de
-	pop bc
-	inc de
-	dec c
-	jr nz, .loop
-
-	call AdvanceOpeningSequenceCmdPtrBy4
-	scf
-	ret
-
-OpeningOrbAnimations_CharizardScene: ; 1d4b0 (7:54b0)
-	db $c0 ; GRASS
-	db $c1 ; FIRE
-	db $c1 ; WATER
-	db $c0 ; COLORLESS
-	db $c1 ; LIGHTNING
-	db $c0 ; PSYCHIC
-	db $c1 ; FIGHTING
-
-OpeningOrbCoordinates_CharizardScene: ; 1d4b7 (7:54b7)
-	; x coord, y coord
-	db 240,  28 ; GRASS
-	db 160, 120 ; FIRE
-	db 160,   8 ; WATER
-	db 240,  64 ; COLORLESS
-	db 160,  84 ; LIGHTNING
-	db 240, 100 ; PSYCHIC
-	db 160,  44 ; FIGHTING
-
-OpeningOrbAnimations_ScytherScene: ; 1d4c5 (7:54c5)
-	db $c1 ; GRASS
-	db $c0 ; FIRE
-	db $c0 ; WATER
-	db $c1 ; COLORLESS
-	db $c0 ; LIGHTNING
-	db $c1 ; PSYCHIC
-	db $c0 ; FIGHTING
-
-OpeningOrbCoordinates_ScytherScene: ; 1d4cc (7:54cc)
-	; x coord, y coord
-	db 160,  28 ; GRASS
-	db 240, 120 ; FIRE
-	db 240,   8 ; WATER
-	db 160,  64 ; COLORLESS
-	db 240,  84 ; LIGHTNING
-	db 160, 100 ; PSYCHIC
-	db 240,  44 ; FIGHTING
-
-OpeningOrbAnimations_AerodactylScene: ; 1d4da (7:54da)
-	db $c2 ; GRASS
-	db $c5 ; FIRE
-	db $c8 ; WATER
-	db $cb ; COLORLESS
-	db $ce ; LIGHTNING
-	db $d1 ; PSYCHIC
-	db $d4 ; FIGHTING
-
-OpeningOrbCoordinates_AerodactylScene: ; 1d4e1 (7:54e1)
-	; x coord, y coord
-	db 240,  32 ; GRASS
-	db 160, 112 ; FIRE
-	db 160,  16 ; WATER
-	db 240,  64 ; COLORLESS
-	db 160,  80 ; LIGHTNING
-	db 240,  96 ; PSYCHIC
-	db 160,  48 ; FIGHTING
-
-OpeningOrbAnimations_InitialTitleScreen: ; 1d4ef (7:54ef)
-	db $c3 ; GRASS
-	db $c6 ; FIRE
-	db $c9 ; WATER
-	db $cc ; COLORLESS
-	db $cf ; LIGHTNING
-	db $d2 ; PSYCHIC
-	db $d5 ; FIGHTING
-
-OpeningOrbCoordinates_InitialTitleScreen: ; 1d4f6 (7:54f6)
-	; x coord, y coord
-	db 112, 144 ; GRASS
-	db  12, 144 ; FIRE
-	db  32, 144 ; WATER
-	db  92, 144 ; COLORLESS
-	db  52, 144 ; LIGHTNING
-	db 132, 144 ; PSYCHIC
-	db  72, 144 ; FIGHTING
-
-OpeningOrbAnimations_InTitleScreen: ; 1d504 (7:5504)
-	db $c4 ; GRASS
-	db $c7 ; FIRE
-	db $ca ; WATER
-	db $cd ; COLORLESS
-	db $d0 ; LIGHTNING
-	db $d3 ; PSYCHIC
-	db $d6 ; FIGHTING
-
-OpeningOrbCoordinates_InTitleScreen: ; 1d50b (7:550b)
-	; x coord, y coord
-	db 112,  76 ; GRASS
-	db   0,  28 ; FIRE
-	db  32,  76 ; WATER
-	db  92, 252 ; COLORLESS
-	db  52, 252 ; LIGHTNING
-	db 144,  28 ; PSYCHIC
-	db  72,  76 ; FIGHTING
-
-OpeningSequenceCmd_PlayTitleScreenMusic: ; 1d519 (7:5519)
-	ld a, MUSIC_TITLESCREEN
-	call PlaySong
-	call AdvanceOpeningSequenceCmdPtrBy2
-	scf
-	ret
-
-OpeningSequenceCmd_WaitSFX: ; 1d523 (7:5523)
-	call AssertSFXFinished
-	or a
-	jr nz, .no_carry
-	call AdvanceOpeningSequenceCmdPtrBy2
-	scf
-	ret
-
-.no_carry
-	or a
-	ret
-
-OpeningSequenceCmd_PlaySFX: ; 1d530 (7:5530)
-	ld a, c
-	call PlaySFX
-	call AdvanceOpeningSequenceCmdPtrBy3
-	scf
-	ret
-
-OpeningSequenceCmd_FadeIn: ; 1d539 (7:5539)
-	ld a, TRUE
-	ld [wOpeningSequencePalsNeedUpdate], a
-	call AdvanceOpeningSequenceCmdPtrBy2
-	scf
-	ret
-
-OpeningSequenceCmd_FadeOut: ; 1d543 (7:5543)
-	farcall Func_10d50
-	ld a, TRUE
-	ld [wOpeningSequencePalsNeedUpdate], a
-	call AdvanceOpeningSequenceCmdPtrBy2
-	scf
-	ret
-
-OpeningSequenceCmd_LoadCharizardScene: ; 1d551 (7:5551)
-	lb bc, 6, 3
-	ld a, SCENE_CHARIZARD_INTRO
-	jr LoadOpeningSceneAndUpdateSGBBorder
-
-OpeningSequenceCmd_LoadScytherScene: ; 1d558 (7:5558)
-	lb bc, 6, 3
-	ld a, SCENE_SCYTHER_INTRO
-	jr LoadOpeningSceneAndUpdateSGBBorder
-
-OpeningSequenceCmd_LoadAerodactylScene: ; 1d55f (7:555f)
-	lb bc, 6, 3
-	ld a, SCENE_AERODACTYL_INTRO
-;	fallthrough
-
-LoadOpeningSceneAndUpdateSGBBorder: ; 1d564 (7:5564)
-	call LoadOpeningScene
-	ld l, %001010
-	lb bc, 0, 0
-	lb de, 20, 18
-	farcall Func_70498
-	scf
-	ret
-
-OpeningSequenceCmd_LoadTitleScreenScene: ; 1d575 (7:5575)
-	lb bc, 0, 0
-	ld a, SCENE_TITLE_SCREEN
-	call LoadOpeningScene
-	call OpeningSequenceEmptyFunc
-	scf
-	ret
-
-; a = scene ID
-; bc = coordinates for scene
-LoadOpeningScene: ; 1d582 (7:5582)
-	push af
-	push bc
-	call DisableLCD
-	pop bc
-	pop af
-
-	farcall _LoadScene ; TODO change func name?
-	farcall Func_10d17
-
-	xor a
-	ld [wOpeningSequencePalsNeedUpdate], a
-	call AdvanceOpeningSequenceCmdPtrBy2
-	call EnableLCD
-	ret
-
-OpeningSequenceEmptyFunc: ; 1d59c (7:559c)
-	ret
+ExecuteOpeningSequenceCmd: ; 1d408 (7:5408)
+	ld a, [wSequenceDelay]
+	or a
+	jr z, .call_function
+	cp $ff
+	ret z ; sequence ended
+
+	dec a ; still waiting
+	ld [wSequenceDelay], a
+	ret
+
+.call_function
+	ld a, [wSequenceCmdPtr + 0]
+	ld l, a
+	ld a, [wSequenceCmdPtr + 1]
+	ld h, a
+	ld a, [hli]
+	ld e, a
+	ld a, [hli]
+	ld d, a
+	ld a, [hli]
+	ld c, a
+	ld a, [hli]
+	ld b, a
+	ld l, e
+	ld h, d
+	call CallHL2
+	jr c, ExecuteOpeningSequenceCmd
+	ret
+
+AdvanceOpeningSequenceCmdPtrBy2: ; 1d42e (7:542e)
+	ld a, 2
+	jr AdvanceOpeningSequenceCmdPtr
+
+AdvanceOpeningSequenceCmdPtrBy3: ; 1d432 (7:5432)
+	ld a, 3
+	jr AdvanceOpeningSequenceCmdPtr
+
+AdvanceOpeningSequenceCmdPtrBy4: ; 1d436 (7:5436)
+	ld a, 4
+;	fallthrough
+
+AdvanceOpeningSequenceCmdPtr: ; 1d438 (7:5438)
+	push hl
+	ld hl, wSequenceCmdPtr
+	add [hl]
+	ld [hli], a
+	ld a, [hl]
+	adc 0
+	ld [hl], a
+	pop hl
+	ret
+
+OpeningSequenceCmd_WaitOrbsAnimation: ; 1d444 (7:5444)
+	ld c, $7
+	ld de, wTitleScreenSprites
+.loop
+	ld a, [de]
+	ld [wWhichSprite], a
+	farcall GetSpriteAnimCounter
+	cp $ff
+	jr nz, .no_carry
+	inc de
+	dec c
+	jr nz, .loop
+	call AdvanceOpeningSequenceCmdPtrBy2
+	scf
+	ret
+
+.no_carry
+	or a
+	ret
+
+OpeningSequenceCmd_Wait: ; 1d460 (7:5460)
+	ld a, c
+	ld [wSequenceDelay], a
+	call AdvanceOpeningSequenceCmdPtrBy3
+	scf
+	ret
+
+OpeningSequenceCmd_SetOrbsAnimations: ; 1d469 (7:5469)
+	ld l, c
+	ld h, b
+
+	ld c, $7
+	ld de, wTitleScreenSprites
+.loop
+	push bc
+	push de
+	ld a, [de]
+	ld [wWhichSprite], a
+	ld a, [hli]
+	farcall StartSpriteAnimation
+	pop de
+	pop bc
+	inc de
+	dec c
+	jr nz, .loop
+
+	call AdvanceOpeningSequenceCmdPtrBy4
+	scf
+	ret
+
+OpeningSequenceCmd_SetOrbsCoordinates: ; 1d486 (7:5486)
+	ld l, c
+	ld h, b
+
+	ld c, $7
+	ld de, wTitleScreenSprites
+.loop
+	push bc
+	push de
+	ld a, [de]
+	ld [wWhichSprite], a
+	push hl
+	ld c, SPRITE_ANIM_COORD_X
+	call GetSpriteAnimBufferProperty
+	ld e, l
+	ld d, h
+	pop hl
+	ld a, [hli]
+	add 8
+	ld [de], a ; x
+	inc de
+	ld a, [hli]
+	add 16
+	ld [de], a ; y
+	pop de
+	pop bc
+	inc de
+	dec c
+	jr nz, .loop
+
+	call AdvanceOpeningSequenceCmdPtrBy4
+	scf
+	ret
+
+OpeningOrbAnimations_CharizardScene: ; 1d4b0 (7:54b0)
+	db $c0 ; GRASS
+	db $c1 ; FIRE
+	db $c1 ; WATER
+	db $c0 ; COLORLESS
+	db $c1 ; LIGHTNING
+	db $c0 ; PSYCHIC
+	db $c1 ; FIGHTING
+
+OpeningOrbCoordinates_CharizardScene: ; 1d4b7 (7:54b7)
+	; x coord, y coord
+	db 240,  28 ; GRASS
+	db 160, 120 ; FIRE
+	db 160,   8 ; WATER
+	db 240,  64 ; COLORLESS
+	db 160,  84 ; LIGHTNING
+	db 240, 100 ; PSYCHIC
+	db 160,  44 ; FIGHTING
+
+OpeningOrbAnimations_ScytherScene: ; 1d4c5 (7:54c5)
+	db $c1 ; GRASS
+	db $c0 ; FIRE
+	db $c0 ; WATER
+	db $c1 ; COLORLESS
+	db $c0 ; LIGHTNING
+	db $c1 ; PSYCHIC
+	db $c0 ; FIGHTING
+
+OpeningOrbCoordinates_ScytherScene: ; 1d4cc (7:54cc)
+	; x coord, y coord
+	db 160,  28 ; GRASS
+	db 240, 120 ; FIRE
+	db 240,   8 ; WATER
+	db 160,  64 ; COLORLESS
+	db 240,  84 ; LIGHTNING
+	db 160, 100 ; PSYCHIC
+	db 240,  44 ; FIGHTING
+
+OpeningOrbAnimations_AerodactylScene: ; 1d4da (7:54da)
+	db $c2 ; GRASS
+	db $c5 ; FIRE
+	db $c8 ; WATER
+	db $cb ; COLORLESS
+	db $ce ; LIGHTNING
+	db $d1 ; PSYCHIC
+	db $d4 ; FIGHTING
+
+OpeningOrbCoordinates_AerodactylScene: ; 1d4e1 (7:54e1)
+	; x coord, y coord
+	db 240,  32 ; GRASS
+	db 160, 112 ; FIRE
+	db 160,  16 ; WATER
+	db 240,  64 ; COLORLESS
+	db 160,  80 ; LIGHTNING
+	db 240,  96 ; PSYCHIC
+	db 160,  48 ; FIGHTING
+
+OpeningOrbAnimations_InitialTitleScreen: ; 1d4ef (7:54ef)
+	db $c3 ; GRASS
+	db $c6 ; FIRE
+	db $c9 ; WATER
+	db $cc ; COLORLESS
+	db $cf ; LIGHTNING
+	db $d2 ; PSYCHIC
+	db $d5 ; FIGHTING
+
+OpeningOrbCoordinates_InitialTitleScreen: ; 1d4f6 (7:54f6)
+	; x coord, y coord
+	db 112, 144 ; GRASS
+	db  12, 144 ; FIRE
+	db  32, 144 ; WATER
+	db  92, 144 ; COLORLESS
+	db  52, 144 ; LIGHTNING
+	db 132, 144 ; PSYCHIC
+	db  72, 144 ; FIGHTING
+
+OpeningOrbAnimations_InTitleScreen: ; 1d504 (7:5504)
+	db $c4 ; GRASS
+	db $c7 ; FIRE
+	db $ca ; WATER
+	db $cd ; COLORLESS
+	db $d0 ; LIGHTNING
+	db $d3 ; PSYCHIC
+	db $d6 ; FIGHTING
+
+OpeningOrbCoordinates_InTitleScreen: ; 1d50b (7:550b)
+	; x coord, y coord
+	db 112,  76 ; GRASS
+	db   0,  28 ; FIRE
+	db  32,  76 ; WATER
+	db  92, 252 ; COLORLESS
+	db  52, 252 ; LIGHTNING
+	db 144,  28 ; PSYCHIC
+	db  72,  76 ; FIGHTING
+
+OpeningSequenceCmd_PlayTitleScreenMusic: ; 1d519 (7:5519)
+	ld a, MUSIC_TITLESCREEN
+	call PlaySong
+	call AdvanceOpeningSequenceCmdPtrBy2
+	scf
+	ret
+
+OpeningSequenceCmd_WaitSFX: ; 1d523 (7:5523)
+	call AssertSFXFinished
+	or a
+	jr nz, .no_carry
+	call AdvanceOpeningSequenceCmdPtrBy2
+	scf
+	ret
+
+.no_carry
+	or a
+	ret
+
+OpeningSequenceCmd_PlaySFX: ; 1d530 (7:5530)
+	ld a, c
+	call PlaySFX
+	call AdvanceOpeningSequenceCmdPtrBy3
+	scf
+	ret
+
+OpeningSequenceCmd_FadeIn: ; 1d539 (7:5539)
+	ld a, TRUE
+	ld [wOpeningSequencePalsNeedUpdate], a
+	call AdvanceOpeningSequenceCmdPtrBy2
+	scf
+	ret
+
+OpeningSequenceCmd_FadeOut: ; 1d543 (7:5543)
+	farcall Func_10d50
+	ld a, TRUE
+	ld [wOpeningSequencePalsNeedUpdate], a
+	call AdvanceOpeningSequenceCmdPtrBy2
+	scf
+	ret
+
+OpeningSequenceCmd_LoadCharizardScene: ; 1d551 (7:5551)
+	lb bc, 6, 3
+	ld a, SCENE_CHARIZARD_INTRO
+	jr LoadOpeningSceneAndUpdateSGBBorder
+
+OpeningSequenceCmd_LoadScytherScene: ; 1d558 (7:5558)
+	lb bc, 6, 3
+	ld a, SCENE_SCYTHER_INTRO
+	jr LoadOpeningSceneAndUpdateSGBBorder
+
+OpeningSequenceCmd_LoadAerodactylScene: ; 1d55f (7:555f)
+	lb bc, 6, 3
+	ld a, SCENE_AERODACTYL_INTRO
+;	fallthrough
+
+LoadOpeningSceneAndUpdateSGBBorder: ; 1d564 (7:5564)
+	call LoadOpeningScene
+	ld l, %001010
+	lb bc, 0, 0
+	lb de, 20, 18
+	farcall Func_70498
+	scf
+	ret
+
+OpeningSequenceCmd_LoadTitleScreenScene: ; 1d575 (7:5575)
+	lb bc, 0, 0
+	ld a, SCENE_TITLE_SCREEN
+	call LoadOpeningScene
+	call OpeningSequenceEmptyFunc
+	scf
+	ret
+
+; a = scene ID
+; bc = coordinates for scene
+LoadOpeningScene: ; 1d582 (7:5582)
+	push af
+	push bc
+	call DisableLCD
+	pop bc
+	pop af
+
+	farcall _LoadScene ; TODO change func name?
+	farcall Func_10d17
+
+	xor a
+	ld [wOpeningSequencePalsNeedUpdate], a
+	call AdvanceOpeningSequenceCmdPtrBy2
+	call EnableLCD
+	ret
+
+OpeningSequenceEmptyFunc: ; 1d59c (7:559c)
+	ret