mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-11-16 11:27:33 -08:00
87 lines
1.0 KiB
NASM
87 lines
1.0 KiB
NASM
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SwapTextboxPalettes:: ; 4c000
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hlcoord 0, 0
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decoord 0, 0, AttrMap
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ld b, SCREEN_HEIGHT
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.loop
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push bc
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ld c, SCREEN_WIDTH
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.innerloop
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ld a, [hl]
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push hl
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srl a
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jr c, .UpperNybble
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ld hl, TilesetPalettes
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add [hl]
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ld l, a
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ld a, [TilesetPalettes + 1]
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adc $0
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ld h, a
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ld a, [hl]
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and $f
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jr .next
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.UpperNybble:
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ld hl, TilesetPalettes
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add [hl]
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ld l, a
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ld a, [TilesetPalettes + 1]
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adc $0
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ld h, a
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ld a, [hl]
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swap a
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and $f
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.next
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pop hl
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ld [de], a
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res 7, [hl]
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inc hl
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inc de
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dec c
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jr nz, .innerloop
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pop bc
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dec b
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jr nz, .loop
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ret
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ScrollBGMapPalettes:: ; 4c03f
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ld hl, BGMapBuffer
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ld de, BGMapPalBuffer
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.loop
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ld a, [hl]
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push hl
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srl a
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jr c, .UpperNybble
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; .LowerNybble
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ld hl, TilesetPalettes
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add [hl]
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ld l, a
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ld a, [TilesetPalettes + 1]
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adc $0
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ld h, a
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ld a, [hl]
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and $f
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jr .next
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.UpperNybble:
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ld hl, TilesetPalettes
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add [hl]
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ld l, a
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ld a, [TilesetPalettes + 1]
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adc $0
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ld h, a
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ld a, [hl]
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swap a
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and $f
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.next
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pop hl
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ld [de], a
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res 7, [hl]
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inc hl
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inc de
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dec c
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jr nz, .loop
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ret
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