pokered/engine/trade.asm

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2015-03-14 22:25:21 +00:00
InternalClockTradeAnim: ; 410e2 (10:50e2)
; Do the trading animation with the player's gameboy on the left.
; In-game trades and internally clocked link cable trades use this.
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ld a, [wTradedPlayerMonSpecies]
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ld [wLeftGBMonSpecies], a
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ld a, [wTradedEnemyMonSpecies]
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ld [wRightGBMonSpecies], a
ld de, InternalClockTradeFuncSequence
jr TradeAnimCommon
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ExternalClockTradeAnim: ; 410f3 (10:50f3)
; Do the trading animation with the player's gameboy on the right.
; Externally clocked link cable trades use this.
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ld a, [wTradedEnemyMonSpecies]
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ld [wLeftGBMonSpecies], a
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ld a, [wTrainerSpriteOffset]
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ld [wRightGBMonSpecies], a
ld de, ExternalClockTradeFuncSequence
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TradeAnimCommon: ; 41102 (10:5102)
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ld a, [W_OPTIONS]
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push af
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ld a, [hSCY]
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push af
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ld a, [hSCX]
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push af
xor a
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ld [W_OPTIONS], a
ld [hSCY], a
ld [hSCX], a
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push de
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.loop
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pop de
ld a, [de]
cp $ff
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jr z, .done
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inc de
push de
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ld hl, TradeFuncPointerTable
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add a
ld c, a
ld b, $0
add hl, bc
ld a, [hli]
ld h, [hl]
ld l, a
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ld de, .loop
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push de
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jp [hl] ; call trade func, which will return to the top of the loop
.done
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pop af
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ld [hSCX], a
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pop af
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ld [hSCY], a
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pop af
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ld [W_OPTIONS], a
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ret
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addtradefunc: MACRO
\1TradeFunc::
dw \1
ENDM
tradefunc: MACRO
db (\1TradeFunc - TradeFuncPointerTable) / 2
ENDM
; The functions in the sequences below are executed in order by TradeFuncCommon.
; They are from opposite perspectives. The external clock one makes use of
; Trade_SwapNames to swap the player and enemy names for some functions.
InternalClockTradeFuncSequence: ; 41138 (10:5138)
tradefunc LoadTradingGFXAndMonNames
tradefunc Trade_ShowPlayerMon
tradefunc Trade_DrawOpenEndOfLinkCable
tradefunc Trade_AnimateBallEnteringLinkCable
tradefunc Trade_AnimLeftToRight
tradefunc Trade_Delay100
tradefunc Trade_ShowClearedWindow
tradefunc PrintTradeWentToText
tradefunc PrintTradeForSendsText
tradefunc PrintTradeFarewellText
tradefunc Trade_AnimRightToLeft
tradefunc Trade_ShowClearedWindow
tradefunc Trade_DrawOpenEndOfLinkCable
tradefunc Trade_ShowEnemyMon
tradefunc Trade_Delay100
tradefunc Trade_Cleanup
db $FF
ExternalClockTradeFuncSequence: ; 41149 (10:5149)
tradefunc LoadTradingGFXAndMonNames
tradefunc Trade_ShowClearedWindow
tradefunc PrintTradeWillTradeText
tradefunc PrintTradeFarewellText
tradefunc Trade_SwapNames
tradefunc Trade_AnimLeftToRight
tradefunc Trade_SwapNames
tradefunc Trade_ShowClearedWindow
tradefunc Trade_DrawOpenEndOfLinkCable
tradefunc Trade_ShowEnemyMon
tradefunc Trade_SlideTextBoxOffScreen
tradefunc Trade_ShowPlayerMon
tradefunc Trade_DrawOpenEndOfLinkCable
tradefunc Trade_AnimateBallEnteringLinkCable
tradefunc Trade_SwapNames
tradefunc Trade_AnimRightToLeft
tradefunc Trade_SwapNames
tradefunc Trade_Delay100
tradefunc Trade_ShowClearedWindow
tradefunc PrintTradeWentToText
tradefunc Trade_Cleanup
db $FF
TradeFuncPointerTable: ; 4115f (10:515f)
addtradefunc LoadTradingGFXAndMonNames
addtradefunc Trade_ShowPlayerMon
addtradefunc Trade_DrawOpenEndOfLinkCable
addtradefunc Trade_AnimateBallEnteringLinkCable
addtradefunc Trade_ShowEnemyMon
addtradefunc Trade_AnimLeftToRight
addtradefunc Trade_AnimRightToLeft
addtradefunc Trade_Delay100
addtradefunc Trade_ShowClearedWindow
addtradefunc PrintTradeWentToText
addtradefunc PrintTradeForSendsText
addtradefunc PrintTradeFarewellText
addtradefunc PrintTradeTakeCareText
addtradefunc PrintTradeWillTradeText
addtradefunc Trade_Cleanup
addtradefunc Trade_SlideTextBoxOffScreen
addtradefunc Trade_SwapNames
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Trade_Delay100: ; 41181 (10:5181)
ld c, 100
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jp DelayFrames
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Trade_CopyTileMapToVRAM: ; 41186 (10:5186)
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ld a, $1
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ld [H_AUTOBGTRANSFERENABLED], a
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call Delay3
xor a
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ld [H_AUTOBGTRANSFERENABLED], a
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ret
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Trade_Delay80: ; 41191 (10:5191)
ld c, 80
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jp DelayFrames
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Trade_ClearTileMap: ; 41196 (10:5196)
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ld hl, wTileMap
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ld bc, 20 * 18
ld a, " "
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jp FillMemory
LoadTradingGFXAndMonNames: ; 411a1 (10:51a1)
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call Trade_ClearTileMap
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call DisableLCD
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ld hl, TradingAnimationGraphics
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ld de, vChars2 + $310
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ld bc, $310
ld a, BANK(TradingAnimationGraphics)
call FarCopyData2
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ld hl, TradingAnimationGraphics2
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ld de, vSprites + $7c0
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ld bc, $40
ld a, BANK(TradingAnimationGraphics2)
call FarCopyData2
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ld hl, vBGMap0
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ld bc, $800
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ld a, " "
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call FillMemory
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call ClearSprites
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ld a, $ff
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ld [wUpdateSpritesEnabled], a
ld hl, wd730
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set 6, [hl] ; turn on instant text printing
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ld a, [wOnSGB]
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and a
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ld a, $e4 ; non-SGB OBP0
jr z, .next
ld a, $f0 ; SGB OBP0
.next
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ld [rOBP0], a
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call EnableLCD
xor a
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ld [H_AUTOBGTRANSFERENABLED], a
ld a, [wTradedPlayerMonSpecies]
ld [wd11e], a
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call GetMonName
ld hl, wcd6d
ld de, wcf4b
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ld bc, $b
call CopyData
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ld a, [wTradedEnemyMonSpecies]
ld [wd11e], a
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jp GetMonName
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Trade_LoadMonPartySpriteGfx: ; 4120b (10:520b)
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ld a, %11010000
ld [rOBP1], a
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ld b, BANK(LoadMonPartySpriteGfx)
ld hl, LoadMonPartySpriteGfx
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jp Bankswitch
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Trade_SwapNames: ; 41217 (10:5217)
ld hl, wPlayerName
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ld de, wBuffer
ld bc, 11
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call CopyData
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ld hl, wLinkEnemyTrainerName
ld de, wPlayerName
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ld bc, 11
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call CopyData
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ld hl, wBuffer
ld de, wLinkEnemyTrainerName
ld bc, 11
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jp CopyData
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Trade_Cleanup: ; 4123b (10:523b)
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xor a
call LoadGBPal
ld hl, wd730
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res 6, [hl] ; turn off instant text printing
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ret
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Trade_ShowPlayerMon: ; 41245 (10:5245)
ld a, %10101011
ld [rLCDC], a
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ld a, $50
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ld [hWY], a
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ld a, $86
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ld [rWX], a
ld [hSCX], a
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xor a
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ld [H_AUTOBGTRANSFERENABLED], a
hlCoord 4, 0
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ld b, 6
ld c, 10
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call TextBoxBorder
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call Trade_PrintPlayerMonInfoText
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ld b, vBGMap0 / $100
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call CopyScreenTileBufferToVRAM
call ClearScreen
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ld a, [wTradedPlayerMonSpecies]
call Trade_LoadMonSprite
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ld a, $7e
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.slideScreenLoop
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push af
call DelayFrame
pop af
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ld [rWX], a
ld [hSCX], a
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dec a
dec a
and a
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jr nz, .slideScreenLoop
call Trade_Delay80
ld a, TRADE_BALL_POOF_ANIM
call Trade_ShowAnimation
ld a, TRADE_BALL_DROP_ANIM
call Trade_ShowAnimation
ld a, [wTradedPlayerMonSpecies]
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call PlayCry
xor a
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ld [H_AUTOBGTRANSFERENABLED], a
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ret
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Trade_DrawOpenEndOfLinkCable: ; 41298 (10:5298)
call Trade_ClearTileMap
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ld b, vBGMap0 / $100
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call CopyScreenTileBufferToVRAM
ld b, $8
call GoPAL_SET
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ld hl, vBGMap1 + $8c
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call Trade_CopyCableTilesOffScreen
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ld a, $a0
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ld [hSCX], a
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call DelayFrame
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ld a, %10001011
ld [rLCDC], a
hlCoord 6, 2
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ld b, $7 ; open end of link cable tile ID list index
call CopyTileIDsFromList_ZeroBaseTileID
call Trade_CopyTileMapToVRAM
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ld a, (SFX_02_3d - SFX_Headers_02) / 3
call PlaySound
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ld c, 20
.loop
ld a, [hSCX]
add 4
ld [hSCX], a
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dec c
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jr nz, .loop
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ret
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Trade_AnimateBallEnteringLinkCable: ; 412d2 (10:52d2)
ld a, TRADE_BALL_SHAKE_ANIM
call Trade_ShowAnimation
ld c, 10
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call DelayFrames
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ld a, %11100100
ld [rOBP0], a
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xor a
ld [wd09f], a
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ld bc, $2060
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.moveBallInsideLinkCableLoop
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push bc
xor a
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ld de, Trade_BallInsideLinkCableOAM
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call WriteOAMBlock
ld a, [wd09f]
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xor $1
ld [wd09f], a
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add $7e
ld hl, wOAMBuffer + $02
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ld de, $4
ld c, e
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.cycleSpriteFramesLoop
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ld [hl], a
add hl, de
dec c
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jr nz, .cycleSpriteFramesLoop
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call Delay3
pop bc
ld a, c
add $4
ld c, a
cp $a0
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jr nc, .ballSpriteReachedEdgeOfScreen
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ld a, (SFX_02_3c - SFX_Headers_02) / 3
call PlaySound
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jr .moveBallInsideLinkCableLoop
.ballSpriteReachedEdgeOfScreen
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call ClearSprites
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ld a, $1
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ld [H_AUTOBGTRANSFERENABLED], a
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call ClearScreen
ld b, $98
call CopyScreenTileBufferToVRAM
call Delay3
xor a
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ld [H_AUTOBGTRANSFERENABLED], a
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ret
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Trade_BallInsideLinkCableOAM: ; 4132e (10:532e)
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db $7E,$00,$7E,$20
db $7E,$40,$7E,$60
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Trade_ShowEnemyMon: ; 41336 (10:5336)
ld a, TRADE_BALL_TILT_ANIM
call Trade_ShowAnimation
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call Trade_ShowClearedWindow
hlCoord 4, 10
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ld b, 6
ld c, 10
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call TextBoxBorder
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call Trade_PrintEnemyMonInfoText
call Trade_CopyTileMapToVRAM
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ld a, $1
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ld [H_AUTOBGTRANSFERENABLED], a
ld a, [wTradedEnemyMonSpecies]
call Trade_LoadMonSprite
ld a, TRADE_BALL_POOF_ANIM
call Trade_ShowAnimation
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ld a, $1
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ld [H_AUTOBGTRANSFERENABLED], a
ld a, [wTradedEnemyMonSpecies]
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call PlayCry
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call Trade_Delay100
hlCoord 4, 10
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ld bc, $80c
call ClearScreenArea
jp PrintTradeTakeCareText
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Trade_AnimLeftToRight: ; 41376 (10:5376)
; Animates the mon moving from the left GB to the right one.
call Trade_InitGameboyTransferGfx
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ld a, $1
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ld [wTradedMonMovingRight], a
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ld a, $e4
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ld [rOBP0], a
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ld a, $54
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ld [W_BASECOORDX], a
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ld a, $1c
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ld [W_BASECOORDY], a
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ld a, [wLeftGBMonSpecies]
ld [wMonPartySpriteSpecies], a
call Trade_WriteCircledMonOAM
call Trade_DrawLeftGameboy
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call Trade_CopyTileMapToVRAM
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call Trade_DrawCableAcrossScreen
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ld hl, vBGMap1 + $8c
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call Trade_CopyCableTilesOffScreen
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ld b, $6
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call Trade_AnimMonMoveHorizontal
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ld a, $1
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ld [H_AUTOBGTRANSFERENABLED], a
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call Trade_DrawCableAcrossScreen
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ld b, $4
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call Trade_AnimMonMoveHorizontal
call Trade_DrawRightGameboy
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ld b, $6
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call Trade_AnimMonMoveHorizontal
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xor a
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ld [H_AUTOBGTRANSFERENABLED], a
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call Trade_AnimMonMoveVertical
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jp ClearSprites
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Trade_AnimRightToLeft: ; 413c6 (10:53c6)
; Animates the mon moving from the right GB to the left one.
call Trade_InitGameboyTransferGfx
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xor a
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ld [wTradedMonMovingRight], a
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ld a, $64
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ld [W_BASECOORDX], a
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ld a, $44
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ld [W_BASECOORDY], a
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ld a, [wRightGBMonSpecies]
ld [wMonPartySpriteSpecies], a
call Trade_WriteCircledMonOAM
call Trade_DrawRightGameboy
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call Trade_CopyTileMapToVRAM
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call Trade_DrawCableAcrossScreen
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ld hl, vBGMap1 + $94
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call Trade_CopyCableTilesOffScreen
call Trade_AnimMonMoveVertical
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ld b, $6
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call Trade_AnimMonMoveHorizontal
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ld a, $1
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ld [H_AUTOBGTRANSFERENABLED], a
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call Trade_DrawCableAcrossScreen
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ld b, $4
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call Trade_AnimMonMoveHorizontal
call Trade_DrawLeftGameboy
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ld b, $6
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call Trade_AnimMonMoveHorizontal
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xor a
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ld [H_AUTOBGTRANSFERENABLED], a
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jp ClearSprites
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Trade_InitGameboyTransferGfx: ; 41411 (10:5411)
; Initialises the graphics for showing a mon moving between gameboys.
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ld a, $1
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ld [H_AUTOBGTRANSFERENABLED], a
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call ClearScreen
xor a
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ld [H_AUTOBGTRANSFERENABLED], a
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call Trade_LoadMonPartySpriteGfx
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call DelayFrame
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ld a, %10101011
ld [rLCDC], a
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xor a
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ld [hSCX], a
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ld a, $90
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ld [hWY], a
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ret
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Trade_DrawLeftGameboy: ; 4142d (10:542d)
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call Trade_ClearTileMap
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; draw link cable
hlCoord 11, 4
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ld a, $5d
ld [hli], a
ld a, $5e
ld c, $8
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.loop
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ld [hli], a
dec c
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jr nz, .loop
; draw gameboy pic
hlCoord 5, 3
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ld b, $6
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call CopyTileIDsFromList_ZeroBaseTileID
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; draw text box with player name below gameboy pic
hlCoord 4, 12
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ld b, 2
ld c, 7
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call TextBoxBorder
hlCoord 5, 14
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ld de, wPlayerName
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call PlaceString
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jp DelayFrame
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Trade_DrawRightGameboy: ; 4145c (10:545c)
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call Trade_ClearTileMap
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; draw horizontal segment of link cable
hlCoord 0, 4
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ld a, $5e
ld c, $e
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.loop
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ld [hli], a
dec c
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jr nz, .loop
; draw vertical segment of link cable
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ld a, $5f
ld [hl], a
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ld de, SCREEN_WIDTH
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add hl, de
ld a, $61
ld [hl], a
add hl, de
ld [hl], a
add hl, de
ld [hl], a
add hl, de
ld [hl], a
add hl, de
ld a, $60
ld [hld], a
ld a, $5d
ld [hl], a
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; draw gameboy pic
hlCoord 7, 8
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ld b, $6
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call CopyTileIDsFromList_ZeroBaseTileID
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; draw text box with enemy name above link cable
hlCoord 6, 0
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ld b, $2
ld c, $7
call TextBoxBorder
hlCoord 7, 2
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ld de, wLinkEnemyTrainerName
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call PlaceString
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jp DelayFrame
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Trade_DrawCableAcrossScreen: ; 4149f (10:549f)
; Draws the link cable across the screen.
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call Trade_ClearTileMap
hlCoord 0, 4
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ld a, $5e
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ld c, SCREEN_WIDTH
.loop
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ld [hli], a
dec c
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jr nz, .loop
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ret
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Trade_CopyCableTilesOffScreen: ; 414ae (10:54ae)
; This is used to copy the link cable tiles off screen so that the cable
; continues when the screen is scrolled.
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push hl
hlCoord 0, 4
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call CopyToScreenEdgeTiles
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pop hl
ld a, h
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ld [H_SCREENEDGEREDRAWADDR + 1], a
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ld a, l
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ld [H_SCREENEDGEREDRAWADDR], a
ld a, REDRAWROW
ld [H_SCREENEDGEREDRAW], a
ld c, 10
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jp DelayFrames
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Trade_AnimMonMoveHorizontal: ; 414c5 (10:54c5)
; Animates the mon going through the link cable horizontally over a distance of
; b 16-pixel units.
ld a, [wTradedMonMovingRight]
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ld e, a
ld d, $8
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.scrollLoop
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ld a, e
dec a
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jr z, .movingRight
; moving left
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ld a, [hSCX]
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sub $2
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jr .next
.movingRight
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ld a, [hSCX]
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add $2
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.next
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ld [hSCX], a
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call DelayFrame
dec d
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jr nz, .scrollLoop
call Trade_AnimCircledMon
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dec b
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jr nz, Trade_AnimMonMoveHorizontal
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ret
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Trade_AnimCircledMon: ; 414e8 (10:54e8)
; Cycles between the two animation frames of the mon party sprite, cycles
; between a circle and an oval around the mon sprite, and makes the cable flash.
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push de
push bc
push hl
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ld a, [rBGP]
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xor $3c ; make link cable flash
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ld [rBGP], a
ld hl, wOAMBuffer + $02
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ld de, $4
ld c, $14
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.loop
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ld a, [hl]
xor $40
ld [hl], a
add hl, de
dec c
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jr nz, .loop
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pop hl
pop bc
pop de
ret
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Trade_WriteCircledMonOAM: ; 41505 (10:5505)
callba WriteMonPartySpriteOAMBySpecies
call Trade_WriteCircleOAM
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Trade_AddOffsetsToOAMCoords: ; 41510 (10:5510)
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ld hl, wOAMBuffer
ld c, $14
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.loop
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ld a, [W_BASECOORDY]
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add [hl]
ld [hli], a
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ld a, [W_BASECOORDX]
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add [hl]
ld [hli], a
inc hl
inc hl
dec c
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jr nz, .loop
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ret
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Trade_AnimMonMoveVertical: ; 41525 (10:5525)
; Animates the mon going through the link cable vertically as well as
; horizontally for a bit. The last bit of horizontal movement (when moving
; right) or the first bit of horizontal movement (when moving left) are done
; here instead of Trade_AnimMonMoveHorizontal because this function moves the
; sprite itself rather than scrolling the screen around the sprite. Moving the
; sprite itself is necessary because the vertical segment of the link cable is
; to the right of the screen position that the mon sprite has when
; Trade_AnimMonMoveHorizontal is executing.
ld a, [wTradedMonMovingRight]
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and a
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jr z, .movingLeft
; moving right
ld bc, $400 ; move right
call .doAnim
ld bc, $a ; move down
jr .doAnim
.movingLeft
ld bc, $f6 ; move up
call .doAnim
ld bc, $fc00 ; move left
.doAnim
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ld a, b
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ld [W_BASECOORDX], a
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ld a, c
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ld [W_BASECOORDY], a
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ld d, $4
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.loop
call Trade_AddOffsetsToOAMCoords
call Trade_AnimCircledMon
ld c, 8
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call DelayFrames
dec d
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jr nz, .loop
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ret
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Trade_WriteCircleOAM: ; 41558 (10:5558)
; Writes the OAM blocks for the circle around the traded mon as it passes
; the link cable.
ld hl, Trade_CircleOAMPointers
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ld c, $4
xor a
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.loop
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push bc
ld e, [hl]
inc hl
ld d, [hl]
inc hl
ld c, [hl]
inc hl
ld b, [hl]
inc hl
push hl
inc a
push af
call WriteOAMBlock
pop af
pop hl
pop bc
dec c
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jr nz, .loop
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ret
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Trade_CircleOAMPointers: ; 41574 (10:5574)
dw Trade_CircleOAM0
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db $08,$08
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dw Trade_CircleOAM1
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db $18,$08
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dw Trade_CircleOAM2
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db $08,$18
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dw Trade_CircleOAM3
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db $18,$18
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Trade_CircleOAM0: ; 41584 (10:5584)
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db $38,$10,$39,$10
db $3A,$10,$3B,$10
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Trade_CircleOAM1: ; 4158c (10:558c)
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db $39,$30,$38,$30
db $3B,$30,$3A,$30
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Trade_CircleOAM2: ; 41594 (10:5594)
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db $3A,$50,$3B,$50
db $38,$50,$39,$50
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Trade_CircleOAM3: ; 4159c (10:559c)
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db $3B,$70,$3A,$70
db $39,$70,$38,$70
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; a = species
Trade_LoadMonSprite: ; 415a4 (10:55a4)
ld [wcf91], a
ld [wd0b5], a
ld [wcf1d], a
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ld b, $b
ld c, $0
call GoPAL_SET
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ld a, [H_AUTOBGTRANSFERENABLED]
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xor $1
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ld [H_AUTOBGTRANSFERENABLED], a
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call GetMonHeader
hlCoord 7, 2
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call LoadFlippedFrontSpriteByMonIndex
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ld c, 10
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jp DelayFrames
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Trade_ShowClearedWindow: ; 415c8 (10:55c8)
; clears the window and covers the BG entirely with the window
2014-05-22 22:13:20 +00:00
ld a, $1
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ld [H_AUTOBGTRANSFERENABLED], a
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call ClearScreen
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ld a, %11100011
ld [rLCDC], a
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ld a, $7
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ld [rWX], a
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xor a
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ld [hWY], a
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ld a, $90
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ld [hSCX], a
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ret
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Trade_SlideTextBoxOffScreen: ; 415df (10:55df)
; Slides the window right until it's off screen.
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ld c, 50
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call DelayFrames
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.loop
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call DelayFrame
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ld a, [rWX]
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inc a
inc a
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ld [rWX], a
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cp $a1
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jr nz, .loop
call Trade_ClearTileMap
ld c, 10
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call DelayFrames
ld a, $7
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ld [rWX], a
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ret
PrintTradeWentToText: ; 415fe (10:55fe)
ld hl, TradeWentToText
call PrintText
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ld c, 200
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call DelayFrames
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jp Trade_SlideTextBoxOffScreen
2014-05-22 22:13:20 +00:00
TradeWentToText: ; 4160c (10:560c)
TX_FAR _TradeWentToText
db "@"
PrintTradeForSendsText: ; 41611 (10:5611)
ld hl, TradeForText
call PrintText
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call Trade_Delay80
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ld hl, TradeSendsText
call PrintText
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jp Trade_Delay80
2014-05-22 22:13:20 +00:00
TradeForText: ; 41623 (10:5623)
TX_FAR _TradeForText
db "@"
TradeSendsText: ; 41628 (10:5628)
TX_FAR _TradeSendsText
db "@"
PrintTradeFarewellText: ; 4162d (10:562d)
ld hl, TradeWavesFarewellText
call PrintText
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call Trade_Delay80
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ld hl, TradeTransferredText
call PrintText
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call Trade_Delay80
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jp Trade_SlideTextBoxOffScreen
2014-05-22 22:13:20 +00:00
TradeWavesFarewellText: ; 41642 (10:5642)
TX_FAR _TradeWavesFarewellText
db "@"
TradeTransferredText: ; 41647 (10:5647)
TX_FAR _TradeTransferredText
db "@"
PrintTradeTakeCareText: ; 4164c (10:564c)
ld hl, TradeTakeCareText
call PrintText
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jp Trade_Delay80
2014-05-22 22:13:20 +00:00
TradeTakeCareText: ; 41655 (10:5655)
TX_FAR _TradeTakeCareText
db "@"
PrintTradeWillTradeText: ; 4165a (10:565a)
ld hl, TradeWillTradeText
call PrintText
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call Trade_Delay80
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ld hl, TradeforText
call PrintText
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jp Trade_Delay80
2014-05-22 22:13:20 +00:00
TradeWillTradeText: ; 4166c (10:566c)
TX_FAR _TradeWillTradeText
db "@"
TradeforText: ; 41671 (10:5671)
TX_FAR _TradeforText
db "@"
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Trade_ShowAnimation: ; 41676 (10:5676)
ld [W_ANIMATIONID], a
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xor a
ld [wcc5b], a
predef_jump MoveAnimation