Sprite housekeeping
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@@ -45,10 +45,10 @@ Sprite_MoveHoriz:
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; make the sprite move both directions (also height)
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Sprite_MoveXyz:
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JSL Sprite_MoveAltitude
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JSL Sprite_MoveAltitude
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Sprite_Move:
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JSL Sprite_MoveHoriz
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; no RTL, just continue into Sprite_MoveVert
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JSL Sprite_MoveHoriz
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; no RTL, just continue into Sprite_MoveVert
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; =========================================================
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; make the sprite move Y axis
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@@ -96,15 +96,14 @@ Sprite_MoveAltitude:
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; =========================================================
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; make the sprite bounce toward player
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; movement, collision are handled by this function
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; movement, collision are handled by this function
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; $09 = speed, $08 = max height ( e.g. height:20 = vitreous)
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Sprite_BounceTowardPlayer:
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{
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JSL Sprite_MoveAltitude
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DEC.w SprTimerF, X : DEC.w SprTimerF, X
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LDA.w SprHeight, X : BPL .aloft
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JSL Sprite_MoveAltitude
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DEC.w SprTimerF, X : DEC.w SprTimerF, X
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LDA.w SprHeight, X : BPL .aloft
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STZ.w SprHeight, X
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LDA.b $08 : STA.w SprTimerF, X ; set height from 08
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LDA.b $09 : JSL Sprite_ApplySpeedTowardsPlayer
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@@ -113,7 +112,7 @@ Sprite_BounceTowardPlayer:
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LDA.w SprHeight, X : BEQ .dontmove
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JSL Sprite_Move
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.dontmove
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RTL
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RTL
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}
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; A = Speed
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@@ -237,7 +236,7 @@ DragPlayer:
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INC.w DragYL
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.x_done
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; Changing the modifier adjusts links position in the cart
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; Changing the modifier adjusts links position in the cart
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LDA.w SprCachedY : SEC : SBC.w #$0008
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CMP $20 : BEQ .y_done : BPL .y_too_low
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DEC.w DragXL
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@@ -293,7 +292,7 @@ Sprite_Damage_Flash:
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; Change the palette to the next in the cycle
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LDA.w SprFlash, X : INC : CMP.b #$08 : BNE .dontReset
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LDA.b #$00
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.dontReset
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STA.w SprFlash, X
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BRA .flash
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@@ -325,13 +324,13 @@ Link_CheckNewY_ButtonPress_Long:
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Link_SetupHitBox:
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{
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LDA.b #$08 : STA $02 : STA $03
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LDA $22 : CLC : ADC.b #$04 : STA $00
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LDA $23 : ADC.b #$00 : STA $08
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LDA $20 : ADC.b #$08 : STA $01
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LDA $21 : ADC.b #$00 : STA $09
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RTL
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}
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@@ -604,7 +603,7 @@ Sprite_ApplySpeedTowardsPlayerXOrY:
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;player_to_the_Left
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REP #$20
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LDA.w SprCachedX : SEC : SBC $22 ; delta X
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CMP $01 : BCS .XGreaterThanY1
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;YGreaterThanX
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SEP #$20
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@@ -700,7 +699,6 @@ GetDistance8bit_Long:
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RTL
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}
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; =========================================================
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Intro_Dungeon_Main:
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@@ -714,7 +712,7 @@ Intro_Dungeon_Main:
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LDA $1C : ORA.b #$01 : STA $1C ;turn on BG2 (Body)
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.didNotRun
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STZ.b SpriteRanCheck
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.not_sprite_body_boss
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@@ -764,7 +762,7 @@ MoveCamera:
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;CameraAbovePoint ;right
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ADC.w #$0001 : STA $E2 : STA $E0 : STA $011E : STA $0120 ;move the camera right by 1
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BRA .dontMoveX
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.CameraBelowPointX
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SEC : SBC.w #$0001 : STA $E2 : STA $E0 : STA $011E : STA $0120 ;move the camera left by 1
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@@ -837,7 +835,7 @@ SetupMovieEffect:
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LDA.b #$01 : STA.l MovieEffectA
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LDA.b #$00 : STA.l MovieEffectB
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;Below screen
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;Below screen
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LDA.b #$20 : STA.l MovieEffectC
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LDA.b #$0F : STA.l MovieEffectD
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@@ -864,7 +862,7 @@ MovieEffect:
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SEP #$20
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LDA.b #$20 : STA $9B ;Do the HDMA instead of $420C
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; LDA $9B : ORA #$20 : STA $9B
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; LDA $9B : ORA #$20 : STA $9B
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; LDA.b #$02 : STA $13 ;controls the brightness of the screen
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RTS
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