mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-11-16 11:27:33 -08:00
582 lines
7.0 KiB
NASM
Executable File
582 lines
7.0 KiB
NASM
Executable File
_ReceiveItem:: ; d1d5
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call DoesHLEqualNumItems
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jp nz, PutItemInPocket
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push hl
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call CheckItemPocket
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pop de
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ld a, [wItemAttributeParamBuffer]
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dec a
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ld hl, .Pockets
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rst JumpTable
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ret
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.Pockets: ; d1e9
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; entries correspond to item types
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dw .Item
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dw .KeyItem
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dw .Ball
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dw .TMHM
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.Item: ; d1f1
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ld h, d
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ld l, e
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jp PutItemInPocket
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.KeyItem: ; d1f6
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ld h, d
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ld l, e
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jp ReceiveKeyItem
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.Ball: ; d1fb
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ld hl, NumBalls
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jp PutItemInPocket
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.TMHM: ; d201
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ld h, d
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ld l, e
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ld a, [CurItem]
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ld c, a
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call GetTMHMNumber
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jp ReceiveTMHM
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_TossItem:: ; d20d
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call DoesHLEqualNumItems
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jr nz, .remove
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push hl
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call CheckItemPocket
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pop de
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ld a, [wItemAttributeParamBuffer]
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dec a
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ld hl, .Pockets
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rst JumpTable
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ret
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.Pockets:
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; entries correspond to item types
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dw .Item
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dw .KeyItem
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dw .Ball
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dw .TMHM
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.Ball: ; d228
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ld hl, NumBalls
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jp RemoveItemFromPocket
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.TMHM: ; d22e
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ld h, d
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ld l, e
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ld a, [CurItem]
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ld c, a
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call GetTMHMNumber
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jp TossTMHM
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.KeyItem: ; d23a
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ld h, d
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ld l, e
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jp TossKeyItem
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.Item: ; d23f
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ld h, d
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ld l, e
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.remove
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jp RemoveItemFromPocket
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_CheckItem:: ; d244
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call DoesHLEqualNumItems
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jr nz, .nope
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push hl
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call CheckItemPocket
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pop de
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ld a, [wItemAttributeParamBuffer]
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dec a
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ld hl, .Pockets
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rst JumpTable
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ret
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.Pockets:
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; entries correspond to item types
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dw .Item
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dw .KeyItem
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dw .Ball
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dw .TMHM
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.Ball: ; d25f
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ld hl, NumBalls
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jp CheckTheItem
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.TMHM: ; d265
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ld h, d
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ld l, e
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ld a, [CurItem]
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ld c, a
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call GetTMHMNumber
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jp CheckTMHM
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.KeyItem: ; d271
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ld h, d
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ld l, e
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jp CheckKeyItems
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.Item: ; d276
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ld h, d
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ld l, e
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.nope
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jp CheckTheItem
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DoesHLEqualNumItems: ; d27b
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ld a, l
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cp LOW(NumItems)
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ret nz
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ld a, h
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cp HIGH(NumItems)
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ret
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GetPocketCapacity: ; d283
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ld c, MAX_ITEMS
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ld a, e
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cp LOW(NumItems)
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jr nz, .not_bag
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ld a, d
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cp HIGH(NumItems)
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ret z
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.not_bag
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ld c, MAX_PC_ITEMS
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ld a, e
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cp LOW(PCItems)
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jr nz, .not_pc
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ld a, d
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cp HIGH(PCItems)
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ret z
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.not_pc
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ld c, MAX_BALLS
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ret
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PutItemInPocket: ; d29c
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ld d, h
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ld e, l
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inc hl
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ld a, [CurItem]
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ld c, a
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ld b, 0
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.loop
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ld a, [hli]
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cp -1
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jr z, .terminator
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cp c
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jr nz, .next
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ld a, 99
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sub [hl]
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add b
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ld b, a
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ld a, [wItemQuantityChangeBuffer]
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cp b
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jr z, .ok
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jr c, .ok
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.next
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inc hl
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jr .loop
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.terminator
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call GetPocketCapacity
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ld a, [de]
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cp c
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jr c, .ok
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and a
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ret
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.ok
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ld h, d
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ld l, e
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ld a, [CurItem]
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ld c, a
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ld a, [wItemQuantityChangeBuffer]
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ld [wItemQuantityBuffer], a
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.loop2
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inc hl
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ld a, [hli]
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cp -1
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jr z, .terminator2
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cp c
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jr nz, .loop2
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ld a, [wItemQuantityBuffer]
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add [hl]
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cp 100
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jr nc, .newstack
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ld [hl], a
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jr .done
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.newstack
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ld [hl], 99
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sub 99
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ld [wItemQuantityBuffer], a
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jr .loop2
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.terminator2
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dec hl
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ld a, [CurItem]
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ld [hli], a
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ld a, [wItemQuantityBuffer]
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ld [hli], a
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ld [hl], -1
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ld h, d
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ld l, e
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inc [hl]
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.done
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scf
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ret
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RemoveItemFromPocket: ; d2ff
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ld d, h
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ld e, l
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ld a, [hli]
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ld c, a
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ld a, [CurItemQuantity]
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cp c
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jr nc, .ok ; memory
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ld c, a
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ld b, $0
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add hl, bc
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add hl, bc
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ld a, [CurItem]
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cp [hl]
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inc hl
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jr z, .skip
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ld h, d
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ld l, e
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inc hl
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.ok
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ld a, [CurItem]
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ld b, a
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.loop
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ld a, [hli]
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cp b
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jr z, .skip
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cp -1
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jr z, .nope
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inc hl
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jr .loop
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.skip
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ld a, [wItemQuantityChangeBuffer]
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ld b, a
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ld a, [hl]
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sub b
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jr c, .nope
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ld [hl], a
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ld [wItemQuantityBuffer], a
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and a
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jr nz, .yup
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dec hl
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ld b, h
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ld c, l
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inc hl
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inc hl
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.loop2
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ld a, [hli]
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ld [bc], a
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inc bc
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cp -1
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jr nz, .loop2
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ld h, d
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ld l, e
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dec [hl]
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.yup
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scf
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ret
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.nope
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and a
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ret
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CheckTheItem: ; d349
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ld a, [CurItem]
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ld c, a
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.loop
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inc hl
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ld a, [hli]
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cp -1
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jr z, .done
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cp c
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jr nz, .loop
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scf
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ret
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.done
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and a
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ret
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ReceiveKeyItem: ; d35a
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ld hl, NumKeyItems
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ld a, [hli]
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cp MAX_KEY_ITEMS
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jr nc, .nope
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ld c, a
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ld b, 0
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add hl, bc
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ld a, [CurItem]
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ld [hli], a
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ld [hl], -1
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ld hl, NumKeyItems
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inc [hl]
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scf
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ret
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.nope
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and a
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ret
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TossKeyItem: ; d374
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ld a, [CurItemQuantity]
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ld e, a
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ld d, 0
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ld hl, NumKeyItems
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ld a, [hl]
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cp e
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jr nc, .ok
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call .Toss
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ret nc
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jr .ok2
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.ok
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dec [hl]
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inc hl
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add hl, de
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.ok2
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ld d, h
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ld e, l
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inc hl
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.loop
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ld a, [hli]
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ld [de], a
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inc de
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cp -1
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jr nz, .loop
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scf
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ret
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.Toss: ; d396
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ld hl, NumKeyItems
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ld a, [CurItem]
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ld c, a
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.loop3
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inc hl
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ld a, [hl]
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cp c
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jr z, .ok3
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cp -1
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jr nz, .loop3
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xor a
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ret
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.ok3
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ld a, [NumKeyItems]
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dec a
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ld [NumKeyItems], a
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scf
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ret
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CheckKeyItems: ; d3b1
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ld a, [CurItem]
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ld c, a
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ld hl, KeyItems
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.loop
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ld a, [hli]
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cp c
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jr z, .done
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cp -1
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jr nz, .loop
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and a
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ret
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.done
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scf
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ret
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ReceiveTMHM: ; d3c4
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dec c
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ld b, 0
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ld hl, TMsHMs
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add hl, bc
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ld a, [wItemQuantityChangeBuffer]
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add [hl]
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cp 100
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jr nc, .toomany
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ld [hl], a
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scf
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ret
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.toomany
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and a
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ret
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TossTMHM: ; d3d8
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dec c
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ld b, 0
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ld hl, TMsHMs
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add hl, bc
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ld a, [wItemQuantityChangeBuffer]
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ld b, a
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ld a, [hl]
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sub b
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jr c, .nope
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ld [hl], a
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ld [wItemQuantityBuffer], a
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jr nz, .yup
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ld a, [wTMHMPocketScrollPosition]
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and a
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jr z, .yup
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dec a
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ld [wTMHMPocketScrollPosition], a
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.yup
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scf
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ret
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.nope
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and a
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ret
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CheckTMHM: ; d3fb
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dec c
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ld b, $0
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ld hl, TMsHMs
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add hl, bc
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ld a, [hl]
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and a
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ret z
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scf
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ret
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GetTMHMNumber:: ; d407
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; Return the number of a TM/HM by item id c.
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ld a, c
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; Skip any dummy items.
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cp ITEM_C3 ; TM04-05
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jr c, .done
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cp ITEM_DC ; TM28-29
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jr c, .skip
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dec a
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.skip
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dec a
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.done
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sub TM01
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inc a
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ld c, a
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ret
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GetNumberedTMHM: ; d417
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; Return the item id of a TM/HM by number c.
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ld a, c
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; Skip any gaps.
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cp ITEM_C3 - (TM01 - 1)
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jr c, .done
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cp ITEM_DC - (TM01 - 1) - 1
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jr c, .skip_one
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.skip_two
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inc a
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.skip_one
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inc a
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.done
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add TM01
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dec a
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ld c, a
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ret
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_CheckTossableItem:: ; d427
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; Return 1 in wItemAttributeParamBuffer and carry if CurItem can't be removed from the bag.
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ld a, ITEMATTR_PERMISSIONS
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call GetItemAttr
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bit CANT_TOSS_F, a
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jr nz, ItemAttr_ReturnCarry
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and a
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ret
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CheckSelectableItem: ; d432
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; Return 1 in wItemAttributeParamBuffer and carry if CurItem can't be selected.
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ld a, ITEMATTR_PERMISSIONS
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call GetItemAttr
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bit CANT_SELECT_F, a
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jr nz, ItemAttr_ReturnCarry
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and a
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ret
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CheckItemPocket:: ; d43d
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; Return the pocket for CurItem in wItemAttributeParamBuffer.
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ld a, ITEMATTR_POCKET
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call GetItemAttr
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and $f
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ld [wItemAttributeParamBuffer], a
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ret
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CheckItemContext: ; d448
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; Return the context for CurItem in wItemAttributeParamBuffer.
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ld a, ITEMATTR_HELP
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call GetItemAttr
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and $f
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ld [wItemAttributeParamBuffer], a
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ret
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CheckItemMenu: ; d453
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; Return the menu for CurItem in wItemAttributeParamBuffer.
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ld a, ITEMATTR_HELP
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call GetItemAttr
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swap a
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and $f
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ld [wItemAttributeParamBuffer], a
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ret
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GetItemAttr: ; d460
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; Get attribute a of CurItem.
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push hl
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push bc
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ld hl, ItemAttributes
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ld c, a
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ld b, 0
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add hl, bc
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xor a
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ld [wItemAttributeParamBuffer], a
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ld a, [CurItem]
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dec a
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ld c, a
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ld a, ITEMATTR_STRUCT_LENGTH
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call AddNTimes
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ld a, BANK(ItemAttributes)
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call GetFarByte
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pop bc
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pop hl
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ret
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ItemAttr_ReturnCarry: ; d47f
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ld a, 1
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ld [wItemAttributeParamBuffer], a
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scf
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ret
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GetItemPrice: ; d486
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; Return the price of CurItem in de.
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push hl
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push bc
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ld a, ITEMATTR_PRICE
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call GetItemAttr
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ld e, a
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ld a, ITEMATTR_PRICE_HI
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call GetItemAttr
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ld d, a
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pop bc
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pop hl
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ret
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