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https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-09-09 09:51:34 -07:00
104 lines
1.7 KiB
NASM
104 lines
1.7 KiB
NASM
ReanchorBGMap_NoOAMUpdate:: ; 6454
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call DelayFrame
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ld a, [hOAMUpdate]
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push af
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ld a, $1
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ld [hOAMUpdate], a
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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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call .ReanchorBGMap
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pop af
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ld [hBGMapMode], a
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pop af
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ld [hOAMUpdate], a
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ld hl, VramState
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set 6, [hl]
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ret
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.ReanchorBGMap:
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xor a
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ld [hLCDCPointer], a
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ld [hBGMapMode], a
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ld a, $90
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ld [hWY], a
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call OverworldTextModeSwitch
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ld a, HIGH(vBGMap1)
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call .LoadBGMapAddrIntoHRAM
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call _OpenAndCloseMenu_HDMATransferTileMapAndAttrMap
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farcall LoadOW_BGPal7
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farcall ApplyPals
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ld a, $1
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ld [hCGBPalUpdate], a
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xor a
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ld [hBGMapMode], a
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ld [hWY], a
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farcall HDMATransfer_FillBGMap0WithBlack ; no need to farcall
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ld a, HIGH(vBGMap0)
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call .LoadBGMapAddrIntoHRAM
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xor a ; LOW(vBGMap0)
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ld [wBGMapAnchor], a
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ld a, HIGH(vBGMap0)
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ld [wBGMapAnchor + 1], a
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xor a
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ld [hSCX], a
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ld [hSCY], a
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call ApplyBGMapAnchorToObjects
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ret
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.LoadBGMapAddrIntoHRAM: ; 64b9
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ld [hBGMapAddress + 1], a
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xor a
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ld [hBGMapAddress], a
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ret
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LoadFonts_NoOAMUpdate:: ; 64bf
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ld a, [hOAMUpdate]
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push af
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ld a, $1
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ld [hOAMUpdate], a
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call .LoadGFX
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pop af
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ld [hOAMUpdate], a
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ret
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.LoadGFX:
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call LoadFontsExtra
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ld a, $90
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ld [hWY], a
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call SafeUpdateSprites
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call LoadStandardFont
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ret
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HDMATransfer_FillBGMap0WithBlack: ; 64db
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ld a, [rSVBK]
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push af
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ld a, BANK(wDecompressScratch)
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ld [rSVBK], a
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ld a, "<BLACK>" ; $60
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ld hl, wDecompressScratch
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ld bc, wScratchAttrMap - wDecompressScratch
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call ByteFill
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ld a, HIGH(wDecompressScratch)
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ld [rHDMA1], a
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ld a, LOW(wDecompressScratch)
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ld [rHDMA2], a
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ld a, HIGH(vBGMap0 % $8000)
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ld [rHDMA3], a
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ld a, LOW(vBGMap0 % $8000)
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ld [rHDMA4], a
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ld a, $3f
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ld [hDMATransfer], a
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call DelayFrame
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pop af
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ld [rSVBK], a
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ret
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