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https://github.com/pret/pokeyellow.git
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92 lines
1.6 KiB
NASM
Executable File
92 lines
1.6 KiB
NASM
Executable File
AnimCut: ; 7a037 (1e:6037)
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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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ld a, [rOBP1]
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xor $64
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ld [rOBP1], a
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call UpdateGBCPal_OBP1
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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: ; 7a091 (1e:6091)
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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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ld a, [rOBP1]
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xor $64
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ld [rOBP1], a
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call UpdateGBCPal_OBP1
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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: ; 7a0d7 (1e:60d7)
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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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