mirror of https://github.com/pret/pokecrystal.git
483 lines
7.2 KiB
NASM
Executable File
483 lines
7.2 KiB
NASM
Executable File
Special_MagnetTrain: ; 8cc04
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ld a, [ScriptVar]
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and a
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jr nz, .ToGoldenrod
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ld a, 1 ; forwards
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lb bc, $40, $60
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lb de, (11 * 8) - (11 * 8 + 4), -$60
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jr .continue
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.ToGoldenrod:
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ld a, -1 ; backwards
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lb bc, -$40, -$60
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lb de, (11 * 8) + (11 * 8 + 4), $60
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.continue
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ld h, a
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ld a, [rSVBK]
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push af
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ld a, $5
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ld [rSVBK], a
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ld a, h
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ld [wMagnetTrainDirection], a
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ld a, c
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ld [wMagnetTrainInitPosition], a
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ld a, b
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ld [wMagnetTrainHoldPosition], a
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ld a, e
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ld [wMagnetTrainFinalPosition], a
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ld a, d
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ld [wMagnetTrainPlayerSpriteInitX], a
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ld a, [hSCX]
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push af
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ld a, [hSCY]
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push af
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call MagntTrain_LoadGFX_PlayMusic
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ld hl, hVBlank
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ld a, [hl]
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push af
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ld [hl], $1
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.loop
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ld a, [wJumptableIndex]
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and a
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jr z, .initialize
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bit 7, a
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jr nz, .done
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callab PlaySpriteAnimations
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call MagnetTrain_Jumptable
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call MagnetTrain_UpdateLYOverrides
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call PushLYOverrides
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call DelayFrame
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jr .loop
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.initialize
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call MagnetTrain_Jumptable_FirstRunThrough
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jr .loop
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.done
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pop af
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ld [hVBlank], a
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call ClearBGPalettes
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xor a
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ld [hLCDCPointer], a
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ld [hLYOverrideStart], a
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ld [hLYOverrideEnd], a
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ld [hSCX], a
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ld [Requested2bppSource], a
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ld [Requested2bppSource + 1], a
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ld [Requested2bppDest], a
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ld [Requested2bppDest + 1], a
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ld [Requested2bpp], a
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call ClearTileMap
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pop af
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ld [hSCY], a
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pop af
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ld [hSCX], a
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xor a
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ld [hBGMapMode], a
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pop af
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ld [rSVBK], a
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ret
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; 8cc99
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MagnetTrain_UpdateLYOverrides: ; 8cc99
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ld hl, LYOverridesBackup
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ld c, $2f
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ld a, [wcf64]
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add a
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ld [hSCX], a
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call .loadloop
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ld c, $30
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ld a, [wcf65]
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call .loadloop
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ld c, $31
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ld a, [wcf64]
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add a
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call .loadloop
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ld a, [wMagnetTrainDirection]
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ld d, a
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ld hl, wcf64
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ld a, [hl]
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add d
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add d
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ld [hl], a
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ret
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.loadloop
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ld [hli], a
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dec c
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jr nz, .loadloop
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ret
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; 8ccc9
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MagntTrain_LoadGFX_PlayMusic: ; 8ccc9
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call ClearBGPalettes
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call ClearSprites
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call DisableLCD
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callab ClearSpriteAnims
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call SetMagnetTrainPals
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call DrawMagnetTrain
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ld a, $90
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ld [hWY], a
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call EnableLCD
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xor a
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ld [hBGMapMode], a
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ld [hSCX], a
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ld [hSCY], a
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ld a, [rSVBK]
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push af
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ld a, $1
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ld [rSVBK], a
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callba GetPlayerIcon
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pop af
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ld [rSVBK], a
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ld hl, VTiles0
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ld c, 4
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call Request2bpp
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ld hl, 12 tiles
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add hl, de
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ld d, h
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ld e, l
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ld hl, VTiles0 tile $04
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ld c, 4
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call Request2bpp
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call MagnetTrain_InitLYOverrides
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ld hl, wJumptableIndex
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xor a
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ld [hli], a
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ld a, [wMagnetTrainInitPosition]
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ld [hli], a
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ld [hli], a
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ld [hli], a
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ld de, MUSIC_MAGNET_TRAIN
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call PlayMusic2
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ret
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; 8cd27
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DrawMagnetTrain: ; 8cd27
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hlbgcoord 0, 0
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xor a
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.loop
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call GetMagnetTrainBGTiles
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ld b, 32 / 2
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call .FillAlt
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inc a
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cp $12
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jr c, .loop
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hlbgcoord 0, 6
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ld de, MagnetTrainTilemap1
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ld c, 20
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call .FillLine
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hlbgcoord 0, 7
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ld de, MagnetTrainTilemap2
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ld c, 20
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call .FillLine
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hlbgcoord 0, 8
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ld de, MagnetTrainTilemap3
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ld c, 20
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call .FillLine
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hlbgcoord 0, 9
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ld de, MagnetTrainTilemap4
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ld c, 20
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call .FillLine
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ret
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; 8cd65
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.FillLine: ; 8cd65
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ld a, [de]
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inc de
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ld [hli], a
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dec c
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jr nz, .FillLine
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ret
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; 8cd6c
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.FillAlt: ; 8cd6c
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ld [hl], e
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inc hl
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ld [hl], d
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inc hl
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dec b
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jr nz, .FillAlt
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ret
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; 8cd74
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GetMagnetTrainBGTiles: ; 8cd74
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push hl
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ld e, a
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ld d, 0
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ld hl, MagnetTrainBGTiles
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add hl, de
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add hl, de
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ld e, [hl]
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inc hl
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ld d, [hl]
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pop hl
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ret
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; 8cd82
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MagnetTrainBGTiles: ; 8cd82
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; Alternating tiles for each line
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; of the Magnet Train tilemap.
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db $4c, $4d ; bush
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db $5c, $5d ; bush
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db $4c, $4d ; bush
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db $5c, $5d ; bush
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db $08, $08 ; fence
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db $18, $18 ; fence
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db $1f, $1f ; track
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db $31, $31 ; track
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db $11, $11 ; track
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db $11, $11 ; track
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db $0d, $0d ; track
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db $31, $31 ; track
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db $04, $04 ; fence
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db $18, $18 ; fence
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db $4c, $4d ; bush
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db $5c, $5d ; bush
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db $4c, $4d ; bush
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db $5c, $5d ; bush
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; 8cda6
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MagnetTrain_InitLYOverrides: ; 8cda6
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ld hl, LYOverrides
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ld bc, LYOverridesEnd - LYOverrides
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ld a, [wMagnetTrainInitPosition]
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call ByteFill
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ld hl, LYOverridesBackup
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ld bc, LYOverridesBackupEnd - LYOverridesBackup
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ld a, [wMagnetTrainInitPosition]
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call ByteFill
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ld a, rSCX - $ff00
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ld [hLCDCPointer], a
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ret
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; 8cdc3
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SetMagnetTrainPals: ; 8cdc3
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ld a, $1
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ld [rVBK], a
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; bushes
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hlbgcoord 0, 0
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ld bc, 4 bgrows
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ld a, $2
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call ByteFill
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; train
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hlbgcoord 0, 4
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ld bc, 10 bgrows
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xor a
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call ByteFill
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; more bushes
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hlbgcoord 0, 14
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ld bc, 4 bgrows
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ld a, $2
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call ByteFill
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; train window
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hlbgcoord 7, 8
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ld bc, 6
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ld a, $4
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call ByteFill
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ld a, $0
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ld [rVBK], a
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ret
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; 8cdf7
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MagnetTrain_Jumptable: ; 8cdf7
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ld a, [wJumptableIndex]
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ld e, a
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ld d, 0
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ld hl, .Jumptable
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add hl, de
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add hl, de
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ld a, [hli]
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ld h, [hl]
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ld l, a
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jp [hl]
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; 8ce06
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.Jumptable: ; 8ce06
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dw .InitPlayerSpriteAnim
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dw .WaitScene
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dw .MoveTrain1
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dw .WaitScene
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dw .MoveTrain2
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dw .WaitScene
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dw .TrainArrived
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; 8ce14
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.Next: ; 8ce14
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ld hl, wJumptableIndex
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inc [hl]
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ret
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; 8ce19
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.InitPlayerSpriteAnim: ; 8ce19
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ld d, 10 * 8 + 5
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ld a, [wMagnetTrainPlayerSpriteInitX]
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ld e, a
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ld b, SPRITE_ANIM_INDEX_15
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ld a, [rSVBK]
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push af
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ld a, $1
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ld [rSVBK], a
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ld a, [PlayerGender]
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bit 0, a
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jr z, .got_gender
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ld b, SPRITE_ANIM_INDEX_1F
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.got_gender
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pop af
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ld [rSVBK], a
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ld a, b
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call _InitSpriteAnimStruct
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ld hl, SPRITEANIMSTRUCT_TILE_ID
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add hl, bc
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ld [hl], $0
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call .Next
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ld a, $80
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ld [wcf66], a
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ret
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; 8ce47
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.MoveTrain1: ; 8ce47
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ld hl, wMagnetTrainHoldPosition
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ld a, [wcf65]
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cp [hl]
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jr z, .PrepareToHoldTrain
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ld e, a
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ld a, [wMagnetTrainDirection]
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xor $ff
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inc a
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add e
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ld [wcf65], a
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ld hl, wGlobalAnimXOffset
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ld a, [wMagnetTrainDirection]
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add [hl]
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ld [hl], a
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ret
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.PrepareToHoldTrain:
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call .Next
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ld a, $80
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ld [wcf66], a
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ret
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; 8ce6d
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.WaitScene: ; 8ce6d
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ld hl, wcf66
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ld a, [hl]
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and a
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jr z, .DoneWaiting
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dec [hl]
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ret
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.DoneWaiting:
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call .Next
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ret
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; 8ce7a
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.MoveTrain2: ; 8ce7a
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ld hl, wMagnetTrainFinalPosition
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ld a, [wcf65]
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cp [hl]
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jr z, .PrepareToFinishAnim
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ld e, a
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ld a, [wMagnetTrainDirection]
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xor $ff
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inc a
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ld d, a
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ld a, e
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add d
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add d
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ld [wcf65], a
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ld hl, wGlobalAnimXOffset
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ld a, [wMagnetTrainDirection]
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ld d, a
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ld a, [hl]
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add d
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add d
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ld [hl], a
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ret
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ret
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.PrepareToFinishAnim:
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call .Next
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ret
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; 8cea2
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.TrainArrived: ; 8cea2
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ld a, $80
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ld [wJumptableIndex], a
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ld de, SFX_TRAIN_ARRIVED
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call PlaySFX
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ret
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; 8ceae
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MagnetTrain_Jumptable_FirstRunThrough: ; 8ceae
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callba PlaySpriteAnimations
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call MagnetTrain_Jumptable
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call MagnetTrain_UpdateLYOverrides
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call PushLYOverrides
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call DelayFrame
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ld a, [rSVBK]
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push af
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ld a, $1
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ld [rSVBK], a
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ld a, [TimeOfDayPal]
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push af
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ld a, [wPermission]
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push af
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ld a, [TimeOfDay]
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and $3
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ld [TimeOfDayPal], a
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ld a, $1
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ld [wPermission], a
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ld b, SCGB_MAPPALS
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call GetSGBLayout
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call UpdateTimePals
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ld a, [rBGP]
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ld [wBGP], a
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ld a, [rOBP0]
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ld [wOBP0], a
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ld a, [rOBP1]
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ld [wOBP1], a
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pop af
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ld [wPermission], a
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pop af
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ld [TimeOfDayPal], a
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pop af
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ld [rSVBK], a
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ret
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; 8ceff
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MagnetTrainTilemap1:
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db $1f, $05, $06, $0a, $0a
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db $0a, $09, $0a, $0a, $0a
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db $0a, $0a, $0a, $09, $0a
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db $0a, $0a, $0b, $0c, $1f
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MagnetTrainTilemap2:
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db $14, $15, $16, $1a, $1a
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db $1a, $19, $1a, $1a, $1a
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db $1a, $1a, $1a, $19, $1a
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db $1a, $1a, $1b, $1c, $1d
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MagnetTrainTilemap3:
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db $24, $25, $26, $27, $07
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db $2f, $29, $28, $28, $28
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db $28, $28, $28, $29, $07
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db $2f, $2a, $2b, $2c, $2d
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MagnetTrainTilemap4:
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db $20, $1f, $2e, $1f, $17
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db $00, $2e, $1f, $1f, $1f
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db $1f, $1f, $1f, $2e, $17
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db $00, $1f, $2e, $1f, $0f
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; 8cf4f
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