mirror of
https://frontier.innolan.net/github/AmigaExamples.git
synced 2026-09-12 22:03:55 +00:00
209 lines
3.6 KiB
ArmAsm
209 lines
3.6 KiB
ArmAsm
include "includes.i"
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xdef UpdatePig
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xdef ProcessJoystick
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xdef InitialisePig
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xdef SetupSpriteData
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xdef ScrollSprites
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xdef deadSprite
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InitialisePig:
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move.w #$c0,spriteX
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rts
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ScrollSprites:
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sub.w #1,spriteX
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bra ScrollItemSprites
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rts
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UpdatePig:
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;; right
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cmp.w #PIG_PAUSE_PIXELS,spriteR
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ble .skipRight
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add.w #PIG_MOVE_PIXELS,spriteX
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move.l #spritePigRightJump,currentSprite
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.skipRight
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cmp.w #0,spriteR
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beq .notRight
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sub.w #1,spriteR
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cmp.w #PIG_PAUSE_PIXELS,spriteR
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bge .notRight
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move.l #spritePigRight,currentSprite
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.notRight:
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;; up
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cmp.w #PIG_PAUSE_PIXELS,spriteU
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ble .skipUp
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sub.w #PIG_MOVE_PIXELS,spriteY
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sub.w #PIG_MOVE_PIXELS,spriteYEnd
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move.l #spritePigUpJump,currentSprite
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.skipUp:
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cmp.w #0,spriteU
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beq .notUp
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sub.w #1,spriteU
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cmp.w #PIG_PAUSE_PIXELS,spriteU
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bge .notUp
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move.l #spritePigUp,currentSprite
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.notUp:
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;; down
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cmp.w #PIG_PAUSE_PIXELS,spriteD
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ble .skipDown
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add.w #PIG_MOVE_PIXELS,spriteY
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add.w #PIG_MOVE_PIXELS,spriteYEnd
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move.l #spritePigDownJump,currentSprite
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.skipDown:
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cmp.w #0,spriteD
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beq .notDown
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sub.w #1,spriteD
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cmp.w #PIG_PAUSE_PIXELS,spriteD
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bge .notDown
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move.l #spritePigDown,currentSprite
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.notDown:
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;; left
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cmp.w #PIG_PAUSE_PIXELS,spriteL
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ble .skipLeft
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sub.w #PIG_MOVE_PIXELS,spriteX
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move.l #spritePigLeftJump,currentSprite
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.skipLeft
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cmp.w #0,spriteL
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beq .notLeft
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sub.w #1,spriteL
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cmp.w #PIG_PAUSE_PIXELS,spriteL
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bge .notLeft
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move.l #spritePigLeft,currentSprite
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.notLeft:
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cmp.w #$cf,spriteX
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blt .noScroll
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move.w #1,moving
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.noScroll:
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rts
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ProcessJoystick:
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;; 812
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;; 7 3
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;; 654
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jsr ReadJoystick
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cmp.w #0,spriteR
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bne .skip
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cmp.w #0,spriteU
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bne .skip
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cmp.w #0,spriteD
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bne .skip
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cmp.w #0,spriteL
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bne .skip
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cmp.b #3,joystickpos
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bne .notRight
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move.w #PIG_JUMP_PIXELS+PIG_PAUSE_PIXELS,spriteR
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move.l #spritePigRight,currentSprite
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.notRight:
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cmp.b #1,joystickpos
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bne .notUp
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move.w #PIG_JUMP_PIXELS+PIG_PAUSE_PIXELS,spriteU
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move.l #spritePigUp,currentSprite
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.notUp:
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cmp.b #5,joystickpos
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bne .notDown
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move.w #PIG_JUMP_PIXELS+PIG_PAUSE_PIXELS,spriteD
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move.l #spritePigDown,currentSprite
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.notDown:
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cmp.b #7,joystickpos
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bne .notLeft
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move.w #PIG_JUMP_PIXELS+PIG_PAUSE_PIXELS,spriteL
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move.l #spritePigLeft,currentSprite
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.notLeft:
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.skip:
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rts
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SetupSpriteData:
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move.l currentSprite,a0
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move.w spriteLagX,d0
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move.w spriteX,spriteLagX
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move.w d0,d1
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andi #1,d1
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move.b d1,3(a0) ;spriteControl
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lsr.l #1,d0
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move.b d0,1(a0) ;spriteHStart
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move.w spriteY,d0
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move.b d0,(a0) ;spriteVStart
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move.w spriteYEnd,d0
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move.b d0,2(a0) ;spriteVStop
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move.l a0,SPR0PTH(a6)
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jsr SetupItemSpriteData
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move.l #deadSprite,SPR1PTH(a6)
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move.l #deadSprite,SPR3PTH(a6)
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move.l #deadSprite,SPR4PTH(a6)
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move.l #deadSprite,SPR5PTH(a6)
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move.l #deadSprite,SPR6PTH(a6)
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move.l #deadSprite,SPR7PTH(a6)
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rts
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spritePigUp:
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dc.w 0,0
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dc.w 0,0
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incbin "out/sprite_pig_up.bin"
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dc.l 0
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spritePigUpJump:
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dc.w 0,0
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dc.w 0,0
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incbin "out/sprite_pig_up_jump.bin"
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dc.l 0
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spritePigDown:
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dc.w 0,0
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dc.w 0,0
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incbin "out/sprite_pig_down.bin"
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dc.l 0
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spritePigDownJump:
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dc.w 0,0
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dc.w 0,0
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incbin "out/sprite_pig_down_jump.bin"
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dc.l 0
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spritePigLeft:
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dc.w 0,0
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dc.w 0,0
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incbin "out/sprite_pig_left.bin"
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dc.l 0
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spritePigLeftJump:
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dc.w 0,0
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dc.w 0,0
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incbin "out/sprite_pig_left_jump.bin"
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dc.l 0
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spritePigRight:
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dc.w 0,0
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dc.w 0,0
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incbin "out/sprite_pig_right.bin"
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dc.l 0
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spritePigRightJump:
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dc.w 0,0
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dc.w 0,0
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incbin "out/sprite_pig_right_jump.bin"
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dc.l 0
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currentSpriteOffset:
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dc.l 0
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currentSprite:
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dc.l spritePigRight
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deadSprite:
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dc.l 0
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spriteR:
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dc.w 0
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spriteL:
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dc.w 0
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spriteU:
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dc.w 0
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spriteD:
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dc.w 0
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spriteLagX:
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dc.w 0
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spriteX:
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dc.w $0
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spriteY:
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dc.w $e4
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spriteYEnd:
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dc.w $f5 |