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; uses an item
; UseItem is used with dummy items to perform certain other functions as well
; INPUT:
; [wcf91] = item ID
; OUTPUT:
; [wActionResultOrTookBattleTurn] = success
; 00: unsuccessful
; 01: successful
; 02: not able to be used right now, no extra menu displayed (only certain items use this)
UseItem::
farjp UseItem_
; confirms the item toss and then tosses the item
; INPUT:
; hl = address of inventory (either wNumBagItems or wNumBoxItems)
; [wcf91] = item ID
; [wWhichPokemon] = index of item within inventory
; [wItemQuantity] = quantity to toss
; OUTPUT:
; clears carry flag if the item is tossed, sets carry flag if not
TossItem::
ldh a, [hLoadedROMBank]
push af
ld a, BANK(TossItem_)
ldh [hLoadedROMBank], a
ld [MBC1RomBank], a
call TossItem_
pop de
ld a, d
ldh [hLoadedROMBank], a
ld [MBC1RomBank], a
ret
; checks if an item is a key item
; INPUT:
; [wcf91] = item ID
; OUTPUT:
; [wIsKeyItem] = result
; 00: item is not key item
; 01: item is key item
IsKeyItem::
push hl
push de
push bc
farcall IsKeyItem_
pop bc
pop de
pop hl
ret
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