mirror of
https://github.com/pret/pokegold-spaceworld.git
synced 2026-04-26 00:05:12 -05:00
fac958b280
- Indent with single tabs, not spaces - Colons after labels - Capitalize BANK, HIGH, and LOW - dbw BANK(X), X -> dba X
114 lines
1.5 KiB
NASM
114 lines
1.5 KiB
NASM
INCLUDE "constants.asm"
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SECTION "engine/palettes.asm@Overworld fade", ROMX
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OverworldFadeIn:: ; 23:433e
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ld c, 0
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call GetFadeStep
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ld b, 4
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call FadeTowardsWhite
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ret
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OverworldFadeOut:: ; 23:4349
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ld c, 9
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call GetFadeStep
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ld b, 4
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call FadeTowardsBlack
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ret
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; TODO: merge this
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SECTION "engine/palettes.asm@Palette fading, part 2?", ROMX
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ApplyPalettesAtHL:: ; 23:43d1
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push hl
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ld a, [hli]
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ld [rBGP], a
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ld a, [hli]
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ld [rOBP0], a
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ld a, [hli]
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ld [rOBP1], a
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pop hl
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ret
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FadeTowardsWhite:: ; 23:43dd
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call ApplyPalettesAtHL
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inc hl
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inc hl
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inc hl
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ld c, 8
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call DelayFrames
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dec b
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jr nz, FadeTowardsWhite
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ret
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FadeTowardsBlack:: ; 23:43ec
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call ApplyPalettesAtHL
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dec hl
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dec hl
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dec hl
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ld c, 8
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call DelayFrames
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dec b
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jr nz, FadeTowardsBlack
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ret
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GetFadeStep:: ; 23:43fb
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ld a, [wTimeOfDayPal]
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and 3
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push bc
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ld c, a
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ld b, 0
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ld hl, .sequences
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add hl, bc
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add hl, bc
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ld a, [hli]
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ld h, [hl]
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ld l, a
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pop bc
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ld b, 0
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add hl, bc
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ret
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.sequences
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dw .sequence0
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dw .sequence1
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dw .sequence2
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dw .sequence3
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.sequence0
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db $ff, $ff, $ff
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db $fe, $fe, $fe
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db $f9, $e4, $e4
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db $e4, $d0, $d0
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db $90, $80, $80
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db $40, $40, $40
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db $00, $00, $00
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.sequence1
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db $ff, $ff, $ff
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db $fe, $fe, $fe
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db $f9, $e4, $e4
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db $e9, $d0, $d0
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db $90, $80, $80
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db $40, $40, $40
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db $00, $00, $00
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.sequence2
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db $ff, $ff, $ff
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db $fe, $fe, $ff
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db $f9, $e4, $ff
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db $f9, $d0, $ff
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db $90, $80, $90
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db $40, $40, $40
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db $00, $00, $00
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.sequence3
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db $ff, $ff, $ff
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db $fe, $fe, $fe
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db $f9, $e4, $e4
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db $e8, $d0, $d0
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db $90, $80, $80
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db $40, $40, $40
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db $00, $00, $00
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