mirror of
https://github.com/pret/pokered.git
synced 2024-10-22 22:55:31 +00:00
49 lines
1 KiB
NASM
49 lines
1 KiB
NASM
; 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
|