mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-11-16 11:27:33 -08:00
0d9241889f
Renamed `title` to `movies`. Moved some functions from `engine/routines/` to their fitting directories, and cleaned up the base `engine/` directory. Moved `engine/pokemon/tmhm.asm` back to `engine/items/`. Made a new subdirectory: * engine/tilesets: Contains all map-related graphics routines.
81 lines
1.1 KiB
NASM
81 lines
1.1 KiB
NASM
PhoneRing_CopyTilemapAtOnce: ; 4d188
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ld a, [hCGB]
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and a
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jp z, WaitBGMap
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ld a, [wSpriteUpdatesEnabled]
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cp $0
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jp z, WaitBGMap
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; What follows is a modified version of CopyTilemapAtOnce.
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ld a, [hBGMapMode]
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push af
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xor a
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ld [hBGMapMode], a
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ld a, [hMapAnims]
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push af
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xor a
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ld [hMapAnims], a
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.wait
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ld a, [rLY]
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cp LY_VBLANK - 1
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jr c, .wait
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di
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ld a, BANK(vBGMap2)
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ld [rVBK], a
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hlcoord 0, 0, wAttrMap
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call .CopyTilemapAtOnce
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ld a, BANK(vBGMap0)
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ld [rVBK], a
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hlcoord 0, 0
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call .CopyTilemapAtOnce
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.wait2
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ld a, [rLY]
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cp LY_VBLANK - 1
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jr c, .wait2
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ei
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pop af
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ld [hMapAnims], a
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pop af
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ld [hBGMapMode], a
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ret
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.CopyTilemapAtOnce: ; 4d1cb
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ld [hSPBuffer], sp
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ld sp, hl
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ld a, [hBGMapAddress + 1]
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ld h, a
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ld l, 0
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ld a, SCREEN_HEIGHT
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ld [hTilesPerCycle], a
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ld b, 1 << 1 ; not in v/hblank
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ld c, LOW(rSTAT)
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.loop
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rept SCREEN_WIDTH / 2
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pop de
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.loop\@
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ld a, [$ff00+c]
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and b
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jr nz, .loop\@
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ld [hl], e
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inc l
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ld [hl], d
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inc l
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endr
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ld de, BG_MAP_WIDTH - SCREEN_WIDTH
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add hl, de
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ld a, [hTilesPerCycle]
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dec a
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ld [hTilesPerCycle], a
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jr nz, .loop
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ld a, [hSPBuffer]
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ld l, a
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ld a, [hSPBuffer + 1]
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ld h, a
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ld sp, hl
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ret
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