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_level3.asm
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_level3.asm
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////////////////////////////////////////////////////////////////////////////////
//
// Project : ForestSaver - https://github.com/intoinside/ForestSaver
// Target : Commodore 64
// Author : Raffaele Intorcia - raffaele.intorcia@gmail.com
//
// Manager for level 3.
//
// Sprite pointer settings:
// * Ranger Sprite 0
// * Hatchet 1 Sprite 1
// * Woodcutter 1 Sprite 2
// * Arsionist Sprite 3
// * Flame Sprite 4
// * Tank tail Sprite 5
// * Tank body Sprite 6
// * Tank pipe Sprite 7
//
////////////////////////////////////////////////////////////////////////////////
#importonce
.filenamespace Level3
* = * "Level3 Manager"
Manager: {
jsr Init
JoystickMovement:
jsr WaitRoutine
jsr TimedRoutine
jsr GetJoystickMove
jsr Ranger.HandleRangerMove
jsr HandleEnemyMove
jsr HandleTankTruckMove
jsr HandleArsionistMove
lda GameEnded
bne CloseLevelAndGame
jmp JoystickMovement
CloseLevelAndGame:
jsr SetSpriteToBackground
IsReturnPressed()
bne LevelDone
jmp JoystickMovement
LevelDone:
jsr Finalize
!:
IsReturnPressed()
bne !-
rts
}
// Initialization of level 3
* = * "Level3 Init"
Init: {
CopyScreenRam(ScreenMemoryBaseAddress, MapDummyArea)
jsr SetSpriteToForeground
// Set background and border color to brown
lda #BROWN
sta c64lib.BORDER_COL
sta c64lib.BG_COL_0
lda #BLACK
sta c64lib.BG_COL_1
lda #WHITE
sta c64lib.BG_COL_2
// Set pointer to char memory to $7800-$7fff (xxxx111x)
// and pointer to screen memory to $4c00-$4fff (0011xxxx)
lda #%00111110
sta c64lib.MEMORY_CONTROL
// Init common sprite color
lda #LIGHT_RED
sta c64lib.SPRITE_COL_0
lda #BLACK
sta c64lib.SPRITE_COL_1
// Ranger coordinates
jsr Ranger.StartNewLevel
// Optimization may be done
// Ranger module init
lda #>ScreenMemoryBaseAddress
sta Ranger.ScreenMemoryAddress
jsr Ranger.Init
lda #>ScreenMemoryBaseAddress
sta WoodCutter.ScreenMemoryAddress
jsr WoodCutter.Init
lda #>ScreenMemoryBaseAddress
sta Arsionist.ScreenMemoryAddress
jsr Arsionist.Init
lda #<ScreenMemoryBaseAddress
sta Hud.ScreenMemoryAddress + 1
lda #>ScreenMemoryBaseAddress
sta Hud.ScreenMemoryAddress
jsr Hud.Init
// Sprite color setting
lda #YELLOW
sta c64lib.SPRITE_0_COLOR
sta c64lib.SPRITE_4_COLOR
lda #ORANGE
sta c64lib.SPRITE_1_COLOR
sta c64lib.SPRITE_3_COLOR
lda #RED
sta c64lib.SPRITE_2_COLOR
lda #WHITE
sta c64lib.SPRITE_5_COLOR
sta c64lib.SPRITE_6_COLOR
lda #CYAN
sta c64lib.SPRITE_7_COLOR
// Enable the first sprite (ranger)
EnableSprite(0, true)
GetRandomUpTo(3)
sta WoodCutterFromLeft.CurrentWoodCutter
jsr SetLeftWoodCutterTrack
jmp AddColorToMap // jsr + rts
}
* = * "Level3 Finalize"
Finalize: {
CopyScreenRam(MapDummyArea, ScreenMemoryBaseAddress)
jsr DisableAllSprites
lda #$00
sta LevelCompleted
sta AddEnemy.EnemyActive
sta WoodCutterFromLeft.WoodCutterFined
sta WoodCutterFromLeft.ComplaintShown
sta WoodCutterFromLeft.CutCompleted
sta WoodCutterFromLeft.WalkInCompleted
sta WoodCutterFromLeft.HatchetShown
sta WoodCutterFromLeft.TreeAlreadyCut
sta WoodCutterFromLeft.TreeAlreadyCut + 1
sta AddTankTruck.TruckActive
sta TankTruckFromLeft.LakeNotAvailable
sta TankTruckFromLeft.Polluted
sta TankTruckFromRight.LakeNotAvailable
sta TankTruckFromRight.Polluted
sta AddArsionist.ArsionistActive
sta ArsionistFromRight.ArsionistFined
sta ArsionistFromRight.ComplaintShown
sta Hud.ReduceDismissalCounter.DismissalCompleted
sta ShowDialog.IsShown
jsr CleanTankLeft
jsr CleanTankRight
jsr CompareAndUpdateHiScore
jsr Hud.ResetDismissalCounter
rts
}
* = * "Level3 AddEnemy"
AddEnemy: {
lda GameEnded
bne Done
lda LevelCompleted
bne Done
GetRandomUpTo(4)
cmp #$02
beq StartWoodCutterFromLeft
jmp Done
StartWoodCutterFromLeft:
lda EnemyActive
and #%00000100
bne Done
lda EnemyActive
ora #%00000100
sta EnemyActive
lda #$0
sta c64lib.SPRITE_2_X
lda #$45
sta c64lib.SPRITE_2_Y
EnableSprite(2, true)
Done:
rts
EnemyActive: .byte $00
}
* = * "Level3 HandleEnemyMove"
HandleEnemyMove: {
lda AddEnemy.EnemyActive
and #%00000100
beq Done
jsr WoodCutterFromLeft
Done:
rts
}
* = * "Level3 WoodCutterFromLeft"
WoodCutterFromLeft: {
lda WoodCutterFined
beq CutCompletedCheck
lda ComplaintShown
bne GoToWalkOutFar
EnableSprite(1, false)
lda TreeStartAddress
sta HandleEnemyFined.MapComplain
lda TreeStartAddress + 1
sta HandleEnemyFined.MapComplain + 1
lda #$01
sta HandleEnemyFined.AddOrSub
lda #$03
sta HandleEnemyFined.Offset
jsr HandleEnemyFined
inc ComplaintShown
lda LevelCompleted
bne !+
AddPoints(0, 0, 2, 0);
lda #$2f
sta Ranger.IsFining
!:
jmp Done
CutCompletedCheck:
lda CutCompleted
bne GoToWalkOutFar
jmp CutNotCompleted
GoToWalkOutFar:
jmp WalkOut
CutNotCompleted:
lda WalkInCompleted
bne ShowHatchetFar
jmp WalkIn
ShowHatchetFar:
jmp ShowHatchet
WalkIn:
// Woodcutter walks in, check if walk-in is done
ldx c64lib.SPRITE_1_X
cpx TrackWalkXEnd
beq WalkInDone
inc c64lib.SPRITE_1_X
CallSetPosition(c64lib.SPRITE_1_X, TrackWalkY, $0, $04, $05);
lda #<SPRITE_2
sta WoodCutter.ScreenMemoryAddress + 1
lda #>SPRITE_2
sta WoodCutter.ScreenMemoryAddress
CallUpdateWoodCutterFrame(DirectionX, DirectionY, WoodCutterFrame);
jmp Done
// Woodcutter is in position, stop walk
WalkInDone:
inc WalkInCompleted
jmp Done
ShowHatchet:
// Woodcutter is in position, start to cut the tree
lda HatchetShown
bne HatchetStrike
// Walk is done, hatchet must be set
SetSpriteToSamePosition(c64lib.SPRITE_2_X, c64lib.SPRITE_1_X)
SetXBitToSameValue(2, 1)
lda #SPRITES.HATCHET_REV
sta SPRITE_1
EnableSprite(1, true)
inc HatchetShown
jmp Done
HatchetStrike:
lda c64lib.SPRITE_MSB_X
and #%00000010
beq !+
lda #$1
!:
sta SpriteCollision.OtherX + 1
lda c64lib.SPRITE_1_X
sta SpriteCollision.OtherX
lda c64lib.SPRITE_1_Y
sta SpriteCollision.OtherY
jsr SpriteCollision
bne RangerWoodCutterMet
lda #<SPRITE_1
sta Hatchet.ScreenMemoryAddress + 1
lda #>SPRITE_1
sta Hatchet.ScreenMemoryAddress
CallUseTheHatchet(HatchetFrame, SPRITES.HATCHET_REV);
lda Hatchet.UseTheHatchet.StrokeHappened
bne StrokeHappened
jmp Done
StrokeHappened:
dec HatchetStrokes
bne DoneFar
inc CutCompleted
jmp HideHatchet
RangerWoodCutterMet:
inc WoodCutterFined
jmp Done
DoneFar:
jmp Done
HideHatchet:
lda #$00
sta HatchetShown
EnableSprite(1, false)
// Tree has been cut, remove tree
lda TreeStartAddress
sta RemoveTree.StartAddress
lda TreeStartAddress + 1
sta RemoveTree.StartAddress + 1
jsr RemoveTree
ldx CurrentWoodCutter
lda #$01
sta TreeAlreadyCut, x
lda LevelCompleted
bne !+
lda GameEnded
bne !+
jsr Hud.ReduceDismissalCounter
lda Hud.ReduceDismissalCounter.DismissalCompleted
sta GameEnded
beq !+
ShowDialogGameOver(ScreenMemoryBaseAddress)
!:
jmp Done
WalkOut:
// Hide hatchet and move woodcutter out of screen
ldx c64lib.SPRITE_1_X
beq WalkOutDone
dec c64lib.SPRITE_1_X
CallSetPosition(c64lib.SPRITE_1_X, TrackWalkY, 0, $04, $05);
lda #<SPRITE_2
sta WoodCutter.ScreenMemoryAddress + 1
lda #>SPRITE_2
sta WoodCutter.ScreenMemoryAddress
CallUpdateWoodCutterFrameReverse(DirectionX, DirectionY, WoodCutterFrame);
jmp Done
WalkOutDone:
lda TreeStartAddress
sta HandleEnemyFinedOut.MapComplain
lda TreeStartAddress + 1
sta HandleEnemyFinedOut.MapComplain + 1
lda #$01
sta HandleEnemyFinedOut.AddOrSub
lda #$03
sta HandleEnemyFinedOut.Offset
jsr HandleEnemyFinedOut
EnableSprite(2, false)
// Prepare next sprite track
ldx #$00
LookForTreeAvailable:
lda TreeAlreadyCut, x
beq CheckNextWoodCutter
iny
!Next:
inx
cpx #$03
bne LookForTreeAvailable
jmp Done
CheckNextWoodCutter:
jsr SaveLeftTreeStrokesCount
GetRandomUpTo(4)
tax
lda TreeAlreadyCut, x
bne CheckNextWoodCutter
stx CurrentWoodCutter
jsr SetLeftWoodCutterTrack
// Clear sprite
lda AddEnemy.EnemyActive
and #%11111011
sta AddEnemy.EnemyActive
lda #0
sta HatchetShown
sta CutCompleted
sta WalkInCompleted
sta ComplaintShown
sta WoodCutterFined
Done:
rts
TreeAlreadyCut: .byte $00, $00, $00
// Number of strokes to cut tree
HatchetStrokes: .byte 0
HatchetFrame: .byte $ff
WoodCutterFrame: .byte $00
WoodCutterFined: .byte $00
ComplaintShown: .byte 0
HatchetShown: .byte 0
CutCompleted: .byte 0
WalkInCompleted: .byte 0
CurrentWoodCutter: .byte $00
// Woodcutter dummy data
TrackWalkXStart: .byte $00
TrackWalkXEnd: .byte $00
TrackWalkY: .byte $00
DirectionX: .byte $00
DirectionY: .byte $00
TreeStartAddress: .word $beef
}
* = * "Level3 SaveLeftTreeStrokesCount"
SaveLeftTreeStrokesCount: {
lda WoodCutterFromLeft.CurrentWoodCutter
cmp #$01
beq SaveTree2StrokesCount
cmp #$02
beq SaveTree3StrokesCount
SaveTree1StrokesCount:
lda WoodCutterFromLeft.HatchetStrokes
sta SetLeftWoodCutterTrack.TreeStrokesCount1
jmp !+
SaveTree2StrokesCount:
lda WoodCutterFromLeft.HatchetStrokes
sta SetLeftWoodCutterTrack.TreeStrokesCount2
jmp !+
SaveTree3StrokesCount:
lda WoodCutterFromLeft.HatchetStrokes
sta SetLeftWoodCutterTrack.TreeStrokesCount3
!:
rts
}
* = * "Level3 SetLeftWoodCutterTrack"
SetLeftWoodCutterTrack: {
lda WoodCutterFromLeft.CurrentWoodCutter
cmp #$02
beq FixForWoodCutter3
cmp #$01
beq FixForWoodCutter2
FixForWoodCutter1:
lda TreeStrokesCount1
sta WoodCutterFromLeft.HatchetStrokes
lda #TrackWalk1XStart
sta WoodCutterFromLeft.TrackWalkXStart
lda #TrackWalk1XEnd
sta WoodCutterFromLeft.TrackWalkXEnd
lda #TrackWalk1Y
sta WoodCutterFromLeft.TrackWalkY
lda #DirectionX1
sta WoodCutterFromLeft.DirectionX
lda #DirectionY1
sta WoodCutterFromLeft.DirectionY
lda TreeStartAddress1
sta WoodCutterFromLeft.TreeStartAddress
lda TreeStartAddress1 + 1
sta WoodCutterFromLeft.TreeStartAddress + 1
jmp Done
FixForWoodCutter2:
lda TreeStrokesCount2
sta WoodCutterFromLeft.HatchetStrokes
lda #TrackWalk2XStart
sta WoodCutterFromLeft.TrackWalkXStart
lda #TrackWalk2XEnd
sta WoodCutterFromLeft.TrackWalkXEnd
lda #TrackWalk2Y
sta WoodCutterFromLeft.TrackWalkY
lda #DirectionX2
sta WoodCutterFromLeft.DirectionX
lda #DirectionY2
sta WoodCutterFromLeft.DirectionY
lda TreeStartAddress2
sta WoodCutterFromLeft.TreeStartAddress
lda TreeStartAddress2 + 1
sta WoodCutterFromLeft.TreeStartAddress + 1
jmp Done
FixForWoodCutter3:
lda TreeStrokesCount3
sta WoodCutterFromLeft.HatchetStrokes
lda #TrackWalk3XStart
sta WoodCutterFromLeft.TrackWalkXStart
lda #TrackWalk3XEnd
sta WoodCutterFromLeft.TrackWalkXEnd
lda #TrackWalk3Y
sta WoodCutterFromLeft.TrackWalkY
lda #DirectionX3
sta WoodCutterFromLeft.DirectionX
lda #DirectionY3
sta WoodCutterFromLeft.DirectionY
lda TreeStartAddress3
sta WoodCutterFromLeft.TreeStartAddress
lda TreeStartAddress3 + 1
sta WoodCutterFromLeft.TreeStartAddress + 1
Done:
lda WoodCutterFromLeft.TrackWalkXStart
sta c64lib.SPRITE_1_X
lda WoodCutterFromLeft.TrackWalkY
sta c64lib.SPRITE_1_Y
rts
// First woodcutter track data
.label TrackWalk1XStart = 0
.label TrackWalk1XEnd = 87
.label TrackWalk1Y = 94
.label DirectionX1 = 1
.label DirectionY1 = 0
TreeStartAddress1: .word ScreenMemoryBaseAddress + c64lib_getTextOffset(9, 4)
TreeStrokesCount1: .byte HatchetStrokesMax
// Second woodcutter track data
.label TrackWalk2XStart = 0
.label TrackWalk2XEnd = 55
.label TrackWalk2Y = 175
.label DirectionX2 = 1
.label DirectionY2 = 0
TreeStartAddress2: .word ScreenMemoryBaseAddress + c64lib_getTextOffset(5, 14)
TreeStrokesCount2: .byte HatchetStrokesMax
// Third woodcutter track data
.label TrackWalk3XStart = 0
.label TrackWalk3XEnd = 111
.label TrackWalk3Y = 199
.label DirectionX3 = 1
.label DirectionY3 = 0
TreeStartAddress3: .word ScreenMemoryBaseAddress + c64lib_getTextOffset(12, 17)
TreeStrokesCount3: .byte HatchetStrokesMax
.label HatchetStrokesMax = 20
}
* = * "Level3 AddTankTruck"
AddTankTruck: {
lda GameEnded
beq !+
jmp Done
!:
lda LevelCompleted
beq !+
jmp Done
!:
// If there is already a truck active, no new truck is needed
lda TruckActive
bne Done
GetRandomUpTo(8)
cmp #$01
beq StartTankTruckFromLeft
cmp #$02
beq StartTankTruckFromRight
jmp Done
StartTankTruckFromLeft:
lda TankTruckFromLeft.LakeNotAvailable
bne Done
lda #$01
sta TruckActive
lda #SPRITES.TANK_TAIL_LE
sta SPRITE_5
lda #SPRITES.TANK_BODY_LE
sta SPRITE_6
lda #TankTruckFromLeft.TankLeftXStart
sta c64lib.SPRITE_6_X
clc
adc #24
sta c64lib.SPRITE_5_X
jmp Done
StartTankTruckFromRight:
lda TankTruckFromRight.LakeNotAvailable
bne Done
lda #$02
sta TruckActive
lda #SPRITES.TANK_TAIL_RI
sta SPRITE_5
lda #SPRITES.TANK_BODY_RI
sta SPRITE_6
lda #TankTruckFromRight.TankRightXStart
sta c64lib.SPRITE_6_X
clc
sbc #24
sta c64lib.SPRITE_5_X
Done:
rts
TruckActive: .byte $00
}
* = * "Level3 HandleTankTruckMove"
HandleTankTruckMove: {
lda AddTankTruck.TruckActive
cmp #$01
bne IsTruckFromRightAlive
jsr TankTruckFromLeft
jmp Done
IsTruckFromRightAlive:
lda AddTankTruck.TruckActive
cmp #$02
bne Done
jsr TankTruckFromRight
Done:
rts
}
* = * "Level3 TankTruckFromLeft"
TankTruckFromLeft: {
lda LakeNotAvailable
beq !+
jmp CleanForNextRun
!:
lda LevelCompleted
beq LakeGood
jmp CleanForNextRun
LakeGood:
// Setting up tank sprites
lda SpritesCreated
bne TankDrivingIn
inc SpritesCreated
EnableSprite(5, true)
EnableSprite(6, true)
TankDrivingIn:
// Lake is not polluted, so a new tank can drive in
lda TankIn
bne DriveInDone
lda c64lib.SPRITE_5_X
cmp #TankLeftXEnd
bne !+
jmp !Update+
!:
inc c64lib.SPRITE_5_X
inc c64lib.SPRITE_6_X
CallTankSetPosition(c64lib.SPRITE_5_X, TankLeftY, $0, $0a, $0b);
CallTankSetPosition(c64lib.SPRITE_6_X, TankLeftY, $0, $0c, $0d);
jmp !End+
!Update:
inc TankIn
!End:
jmp Done
DriveInDone:
// Tank is in position, showing pipe
lda PipeShown
bne Polluting
lda #SPRITES.PIPE_1
sta SPRITE_7
sta PollutionFrame
lda c64lib.SPRITE_5_X
clc
adc #22
sta c64lib.SPRITE_7_X
lda c64lib.SPRITE_5_Y
sta c64lib.SPRITE_7_Y
lda c64lib.SPRITE_MSB_X
and #%00011111
sta c64lib.SPRITE_MSB_X
EnableSprite(7, true)
inc PipeShown
jmp Done
Polluting:
// Check if pollution is done, otherwise pollute it
lda Polluted
bne !DriveOut+
lda TankFined
bne !DriveOut+
jmp !Proceed+
!DriveOut:
jmp DriveOut
!Proceed: // Tank from left
lda c64lib.SPRITE_MSB_X
and #%10000000
beq !+
lda #$1
!:
sta SpriteCollision.OtherX + 1
lda c64lib.SPRITE_7_X
sta SpriteCollision.OtherX
lda c64lib.SPRITE_7_Y
sta SpriteCollision.OtherY
jsr SpriteCollision
bne RangerTankMet
inc PollutionFrameWait
lda PollutionFrameWait
lsr
lsr
lsr
lsr
lsr
bcc !Done+
lda #$00
sta PollutionFrameWait
lda PollutionCounter
cmp #PollutionCounterLimit
bne !+
inc Polluted
EnableSprite(7, false)
lda #<LakeCoordinates
sta SetLakeToBlack.StartAddress
lda #>(LakeCoordinates + 1)
sta SetLakeToBlack.StartAddress + 1
jsr SetLakeToBlack
jsr AddColorToMap
jsr Hud.ReduceDismissalCounter
lda Hud.ReduceDismissalCounter.DismissalCompleted
sta GameEnded
beq !Done+
ShowDialogGameOver(ScreenMemoryBaseAddress)
jmp Done
!:
inc PollutionCounter
inc PollutionFrame
lda PollutionFrame
sta SPRITE_7
cmp #SPRITES.PIPE_4
bne !Done+
lda #SPRITES.PIPE_1
sta PollutionFrame
!Done:
jmp Done
RangerTankMet:
AddPoints(0, 0, 5, 0);
lda #$2f
sta Ranger.IsFining
ShowComplain(ScreenMemoryBaseAddress, 3, 6)
inc TankFined
EnableSprite(7, false)
jmp Done
DriveOut:
lda TankOut
bne DriveOutDone
// Lake pollution is completed, tank should go out
lda c64lib.SPRITE_5_X
cmp #TankLeftXStart
beq DriveOutDone
dec c64lib.SPRITE_6_X
bne !DecOtherSprite+
EnableSprite(6, false)
!DecOtherSprite:
dec c64lib.SPRITE_5_X
CallTankSetPosition(c64lib.SPRITE_5_X, TankLeftY, $0, $0a, $0b);
CallTankSetPosition(c64lib.SPRITE_6_X, TankLeftY, $0, $0c, $0d);
jmp Done
DriveOutDone:
HideComplain(ScreenMemoryBaseAddress, 3, 6);
EnableSprite(5, false)
inc TankOut
CleanForNextRun:
lda #$00
sta AddTankTruck.TruckActive
jsr CleanTankLeft
lda Polluted
sta LakeNotAvailable
Done:
rts
LakeNotAvailable: .byte $00
PipeShown: .byte $00
SpritesCreated: .byte $00
TankIn: .byte $00
TankOut: .byte $00
TankFined: .byte $00
Polluted: .byte $00
PollutionCounter: .byte $00
PollutionFrame: .byte $00
PollutionFrameWait: .byte $01
.label PollutionCounterLimit = 20
.label TankLeftXStart = 0
.label TankLeftXEnd = 33
.label TankLeftX1BitStart = 0
.label TankLeftY = 114
.label TankLeftBodySpriteNum = $67
.label TankLeftTailSpriteNum = $66
.label LakeCoordinates = ScreenMemoryBaseAddress + c64lib_getTextOffset(6, 9)
}
* = * "Level3 CleanTankLeft"
CleanTankLeft: {
lda #$00
sta TankTruckFromLeft.PipeShown
sta TankTruckFromLeft.SpritesCreated
sta TankTruckFromLeft.TankIn
sta TankTruckFromLeft.TankOut
sta TankTruckFromLeft.TankFined
sta TankTruckFromLeft.PollutionCounter
sta TankTruckFromLeft.PollutionFrame
lda #$01
sta TankTruckFromLeft.PollutionFrameWait
rts
}
* = * "Level3 TankTruckFromRight"
TankTruckFromRight: {
lda LakeNotAvailable
beq !+
jmp CleanForNextRun
!:
lda LevelCompleted
beq LakeGood
jmp CleanForNextRun
LakeGood:
// Setting up tank sprites
lda SpritesCreated
bne TankDrivingIn
inc SpritesCreated
EnableSprite(5, true)
EnableSprite(6, true)
TankDrivingIn:
// Lake is not polluted, so a new tank can drive in
lda TankIn
bne DriveInDone
lda c64lib.SPRITE_5_X
cmp #TankRightXEnd
bne !+
jmp !Update+
!:
dec c64lib.SPRITE_5_X
dec c64lib.SPRITE_6_X
CallTankSetPosition(c64lib.SPRITE_5_X, TankRightY, $1, $0a, $0b);
CallTankSetPosition(c64lib.SPRITE_6_X, TankRightY, $1, $0c, $0d);
jmp !End+
!Update:
inc TankIn
!End:
jmp Done
DriveInDone:
// Tank is in position, showing pipe
lda PipeShown
bne Polluting
lda #SPRITES.PIPE_1_R
sta SPRITE_7