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https://gitlab.com/xCrystal/pokecrystal-board.git
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104 lines
1.7 KiB
NASM
104 lines
1.7 KiB
NASM
ReanchorBGMap_NoOAMUpdate::
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call DelayFrame
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ldh a, [hOAMUpdate]
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push af
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ld a, $1
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ldh [hOAMUpdate], a
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ldh a, [hBGMapMode]
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push af
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xor a
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ldh [hBGMapMode], a
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call .ReanchorBGMap
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pop af
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ldh [hBGMapMode], a
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pop af
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ldh [hOAMUpdate], a
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ld hl, wVramState
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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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ldh [hLCDCPointer], a
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ldh [hBGMapMode], a
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ld a, $90
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ldh [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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ldh [hCGBPalUpdate], a
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xor a
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ldh [hBGMapMode], a
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ldh [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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ldh [hSCX], a
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ldh [hSCY], a
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call ApplyBGMapAnchorToObjects
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ret
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.LoadBGMapAddrIntoHRAM:
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ldh [hBGMapAddress + 1], a
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xor a
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ldh [hBGMapAddress], a
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ret
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LoadFonts_NoOAMUpdate::
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ldh a, [hOAMUpdate]
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push af
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ld a, $1
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ldh [hOAMUpdate], a
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call .LoadGFX
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pop af
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ldh [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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ldh [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:
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ldh a, [rSVBK]
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push af
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ld a, BANK(wDecompressScratch)
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ldh [rSVBK], a
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ld a, "■"
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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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ldh [rHDMA1], a
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ld a, LOW(wDecompressScratch)
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ldh [rHDMA2], a
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ld a, HIGH(vBGMap0 - VRAM_Begin)
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ldh [rHDMA3], a
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ld a, LOW(vBGMap0 - VRAM_Begin)
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ldh [rHDMA4], a
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ld a, $3f
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ldh [hDMATransfer], a
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call DelayFrame
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pop af
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ldh [rSVBK], a
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ret
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