mirror of
https://github.com/pret/pokered.git
synced 2024-10-23 06:58:24 +00:00
89 lines
1.5 KiB
NASM
89 lines
1.5 KiB
NASM
AnimCut:
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ld a, [wCutTile]
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cp $52
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jr z, .grass
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ld c, $8
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.cutTreeLoop
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push bc
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ld hl, wOAMBuffer + $91
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ld a, 1
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ld [wCoordAdjustmentAmount], a
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ld c, 2
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call AdjustOAMBlockXPos2
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ld hl, wOAMBuffer + $99
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ld a, -1
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ld [wCoordAdjustmentAmount], a
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ld c, 2
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call AdjustOAMBlockXPos2
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ldh a, [rOBP1]
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xor $64
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ldh [rOBP1], a
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call DelayFrame
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pop bc
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dec c
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jr nz, .cutTreeLoop
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ret
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.grass
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ld c, 2
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.cutGrassLoop
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push bc
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ld c, $8
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call AnimCutGrass_UpdateOAMEntries
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call AnimCutGrass_SwapOAMEntries
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ld c, $8
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call AnimCutGrass_UpdateOAMEntries
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call AnimCutGrass_SwapOAMEntries
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ld hl, wOAMBuffer + $90
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ld a, 2
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ld [wCoordAdjustmentAmount], a
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ld c, 4
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call AdjustOAMBlockYPos2
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pop bc
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dec c
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jr nz, .cutGrassLoop
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ret
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AnimCutGrass_UpdateOAMEntries:
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push bc
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ld hl, wOAMBuffer + $91
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ld a, 1
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ld [wCoordAdjustmentAmount], a
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ld c, 1
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call AdjustOAMBlockXPos2
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ld hl, wOAMBuffer + $95
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ld a, 2
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ld [wCoordAdjustmentAmount], a
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ld c, 1
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call AdjustOAMBlockXPos2
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ld hl, wOAMBuffer + $99
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ld a, -2
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ld [wCoordAdjustmentAmount], a
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ld c, 1
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call AdjustOAMBlockXPos2
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ld hl, wOAMBuffer + $9d
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ld a, -1
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ld [wCoordAdjustmentAmount], a
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ld c, 1
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call AdjustOAMBlockXPos2
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ldh a, [rOBP1]
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xor $64
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ldh [rOBP1], a
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call DelayFrame
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pop bc
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dec c
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jr nz, AnimCutGrass_UpdateOAMEntries
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ret
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AnimCutGrass_SwapOAMEntries:
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ld hl, wOAMBuffer + $90
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ld de, wBuffer
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ld bc, $8
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call CopyData
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ld hl, wOAMBuffer + $98
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ld de, wOAMBuffer + $90
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ld bc, $8
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call CopyData
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ld hl, wBuffer
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ld de, wOAMBuffer + $98
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ld bc, $8
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jp CopyData
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