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PachinkoGame.X68
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PachinkoGame.X68
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*-----------------------------------------------------------
* Title : Pachinko Game
* Written by : Aissa Ben Zayed
* Date : 10-7-2016
* Description:
*
*-----------------------------------------------------------
*
START ORG $1000
include "equates.X68"
Main:
jsr SetOutputWindow
jsr DrawLoading
jsr SetSomeVars
jsr EnableDoubleBuffer
jsr DrawAllBackground
jsr DrawBallFirstTime
jsr UpdateScoreLed
jsr UpdateBallsLed
jsr PaintScreenBuffer
GameLoop:
jsr SetFrameBeginTime
jsr HandleInput
jsr UpdateBallPosition
jsr DrawBackgroundChunk
jsr DrawBall
jsr WaitToEndFrame
jsr PaintScreenBuffer
jmp GameLoop
STOP #$3000
SetOutputWindow:
;set the output window dimensions
move.l #SET_OUTPUT_WINDOW_COMMAND, d0
move.l #OUTPUT_WINDOW_WIDTH, d1
swap.w d1
move.w #OUTPUT_WINDOW_HEIGHT, d1
Trap #15
rts
UpdateBallPosition:
;see if we have to RestartGame
cmp.b #(TRUE), (HaveToRestart)
beq RestartGame
;initialize ball moved to false
move.b #(FALSE), (BallMoved)
;see if the ball is already dropped
cmp.b #(TRUE), (BallDropped)
beq BallDropping
;depending on user input, call drop or Move
move.l (PlayerInput), d0
lsl.l #2,d0
lea BallCalls, a1
move.l (a1, d0),d1
;avoid null calls
cmpi.l #0, d1
beq EndBallUpdate
move.l d1,a2
jmp (a2)
EndBallUpdate:
rts
DropBall:
move.b #(TRUE), (BallDropped)
jmp EndBallUpdate
MoveBallToLeft:
;check if in bounds
cmp.l #(TOP_LEFT_BOARD_X_POS), (BallXPosition)
ble .DontMove
move.l (BallXPosition),d0
lsl.l #8,d0
sub.l #(BALL_SLIDE_VELOCITY), d0
move.l d0, (BallXPositionFixed)
;ball moved
move.b #(TRUE), (BallMoved)
.DontMove:
jmp EndBallUpdate
MoveBallToRight:
;check if in bounds
cmp.l #(BOTTOM_RIGHT_BOARD_X_POS-BALL_WIDTH), (BallXPosition)
bge .DontMove
move.l (BallXPosition),d0
lsl.l #8,d0
add.l #(BALL_SLIDE_VELOCITY), d0
move.l d0, (BallXPositionFixed)
;ball moved
move.b #(TRUE), (BallMoved)
.DontMove:
jmp EndBallUpdate
BallDropping:
jsr CheckWallCollision
cmp.l #(TRUE), d0
bne .BallNotColWithWall
cmp.b #(TRUE), (BallJustWallCol)
bne .JustWallCollided
jmp .ContinueBallUpdate
.BallNotColWithWall:
move.b #(FALSE), (BallJustWallCol)
jmp .MoveOnToPegs
.MoveOnToPegs:
;check collisions with pegs
lea PegsXs, a1
lea PegsYs, a2
move.l (NumberOfPegs), d7
.NextPeg:
;get current peg
move.l (LoopCounter), d0
lsl.l #2, d0
move.l (a1, d0), -(sp) ;push y to the stack
move.l (a2, d0), -(sp) ;push x to the stack
jsr CheckPegCollision
;free stack
add.l #(STACK_OFFSET_IN_PEG_COL), sp
cmp.l #(TRUE), d0 ;if colliding, end the loop
beq .EndPegLoop
add.l #1, (LoopCounter)
sub.l #1, d7 ;else, if there are other oegs, check them, else no collision in this frame
bne .NextPeg
;reinit loop counter
move.l #0, (LoopCounter)
jmp .NotColliding
.EndPegLoop:
;check if it just collided
cmp.b #(TRUE), (BallJustPegCol)
bne .JustPegCollided
jmp .ContinueBallUpdate
.NotColliding:
move.b #(FALSE), (BallJustPegCol)
jmp .ContinueBallUpdate
.JustWallCollided:
;bounce
jsr BounceBallOffWall
lea WallCollisionSound, a1
jsr PlaySound
move.b #(TRUE), (BallJustWallCol)
jmp .DontMove
.JustPegCollided:
;bounce
jsr BounceBallOffPeg
;set sound to play to a1
lea CollisionSound, a1
jsr PlaySound
move.b #(TRUE), (BallJustPegCol)
jmp .DontMove
.ContinueBallUpdate:
.SkipBounceOffPeg:
cmp.l #(BOTTOM_RIGHT_BOARD_Y_POS-BALL_HEIGHT), (BallYPosition)
bge .AddScore
;update x pos
move.l (BallXPosition),d0
lsl.l #8,d0
add.l (BallXVelocity), d0
move.l d0, (BallXPositionFixed)
;update Y vel
add.l #(BALL_Y_ACCELERATION), (BallYVelocity)
;add the velocity to the y pos
move.l (BallYPosition),d0
lsl.l #8,d0
add.l (BallYVelocity), d0
move.l d0, (BallYPositionFixed)
move.b #(TRUE), BallMoved
.DontMove:
jmp EndBallUpdate
.AddScore:
move.l #(EndScoresInGame-ScoresInGame), d0
lea ScoresBounds, a6
clr.l d3 ;counter
move.l (BallXPosition), d4
add.l #(BALL_WIDTH),d4
.ScoreLoop:
move.l (a6)+, d1
move.l (a6)+, d2
cmp.l d4, d1
bgt .NextIteration
cmp.l d4, d2
bge .FoundScore
.NextIteration:
add.l #1, d3
sub.l #1, d0
bne .ScoreLoop
jmp .ExitLoop
.FoundScore:
clr.l d1
lea ScoresInGame, a6
add.l d3, a6
move.b (a6), d1
add.l d1, (Score)
.ExitLoop:
;set sound to play to a1
lea ScoreSound, a1
jsr PlaySound
move.b #(TRUE), (HaveToRestart)
jmp EndBallUpdate
RestartGame:
add.b #1, (UsedBalls)
move.b #(FALSE), (HaveToRestart)
move.b #(TRUE), (BallMoved)
move.b #(FALSE), (BallDropped)
;reset pos
move.l #(BALL_INITIAL_X_POS), d0
lsl.l #(FRACTION_BITS), d0
move.l d0, (BallXPositionFixed)
move.l #(BALL_INITIAL_Y_POS), d0
lsl.l #(FRACTION_BITS), d0
move.l d0, (BallYPositionFixed)
;reset velocity
move.l #0, BallXVelocity
move.l #0, BallYVelocity
jsr OverrideScore
jsr UpdateScoreLed
jsr OverrideBalls
jsr UpdateBallsLed
jmp EndBallUpdate
PlaySound:
move.l #(PLAY_SOUND_COMMAND), d0
Trap #15
rts
SetFrameBeginTime:
;get current time
move.l #(GET_TIME_COMMAND), d0
Trap #15
;set FrameBeginTime
move.l d1, (FrameBeginTime)
rts
WaitToEndFrame:
move.l (FrameBeginTime),d2
.LoopAgain:
;get current time
move.l #(GET_TIME_COMMAND), d0
Trap #15
;get DeltaTime in d1
sub.l d2,d1
cmp.l #(TIME_PER_FRAME), d1
blt .LoopAgain
rts
SetSomeVars:
jsr SeedRandomNumber
jsr RandomizeXVel
rts
RandomizeXVel:
jsr GetRandomXVel
move.l d0, (BallXVelocity)
rts
include "InputHandler.x68"
include "drawingModule.X68"
include "CollisionModule.x68"
include "RandomNumberGenerator.x68"
include "Math.x68"
include "Led.x68"
;bitmaps
BackgroundBitmap INCBIN "bg.bmp"
BallBitmap INCBIN "ironBall.bmp"
LoadingBitmap INCBIN "loading.bmp"
;Sounds
CollisionSound dc.b 'Collision.wav', 0
WallCollisionSound dc.b 'WallCollision.wav', 0
ScoreSound dc.b 'Score.wav', 0
;sqrts
Sqrts INCBIN "Sqrts.bin"
;input
PlayerInput dc.l 0 ;nothing
;frame rate
FrameBeginTime dc.l 0
;ball variables
BallCalls dc.l EndBallUpdate, DropBall, MoveBallToLeft, MoveBallToRight
BallDropped dc.b (FALSE)
BallMoved dc.b (FALSE)
BallJustPegCol dc.b (FALSE)
BallJustWallCol dc.b (FALSE)
BallXPosition dc.l (BALL_INITIAL_X_POS)
BallXPositionFixed dc.l (BALL_INITIAL_X_POS<<FRACTION_BITS)
BallYPosition dc.l (BALL_INITIAL_Y_POS)
BallYPositionFixed dc.l (BALL_INITIAL_Y_POS<<FRACTION_BITS)
BallXVelocity dc.l (BALL_INIT_X_VELOCITY)
BallYVelocity dc.l (BALL_INIT_Y_VELOCITY)
PegsXs dc.l 394, 545, 696
dc.l 340, 473, 616, 742
dc.l 394, 545, 696
dc.l 340, 473, 616, 742
dc.l 374, 490, 606, 708 ; for the lower part of the board
PegsYs dc.l 167, 167, 167
dc.l 297, 297, 297, 297
dc.l 430, 430, 430
dc.l 564, 564, 564, 564
dc.l 700, 700, 700, 700 ; for the lower part of the board
ClosestPegX dc.l 0
ClosestPegY dc.l 0
NumberOfPegs dc.l (PegsYs-PegsXs)>>2
LoopCounter dc.l 0
Rand ds.l 1
HaveToRestart dc.l (FALSE)
LedDigitsTable dc.b $3f, $06,$5b, $4f, $66, $6d, $7d, $07, $7f, $67
CurrentLedStartX dc.l 0
CurrentLedStartY dc.l 0
BallsLedStartX dc.l 0
BallsLedStartY dc.l 0
UsedBalls dc.l 0
Score dc.l 0
ScoresBounds dc.l 385, 480, 500, 596, 618, 698
ScoresInGame dc.b 2, 5, 3
EndScoresInGame
END START
*~Font name~Courier New~
*~Font size~10~
*~Tab type~1~
*~Tab size~4~