engine/overworld/init_map.asm

ReanchorBGMap_NoOAMUpdate::
	call DelayFrame
	ldh a, [hOAMUpdate]
	push af

	ld a, $1
	ldh [hOAMUpdate], a
	ldh a, [hBGMapMode]
	push af
	xor a
	ldh [hBGMapMode], a

	call .ReanchorBGMap

	pop af
	ldh [hBGMapMode], a
	pop af
	ldh [hOAMUpdate], a

	ld hl, wStateFlags
	set 6, [hl]
	ret

.ReanchorBGMap:
	xor a
	ldh [hLCDCPointer], a
	ldh [hBGMapMode], a
	; prepare vBGMap1/vBGMap3 to be displayed while vBGMap0/vBGMap2 is reanchored.
	; draw screen at wTilemap and wAttrmap and then transfer it.
	ld a, $90
	ldh [hWY], a
	call LoadOverworldTilemapAndAttrmapPals
	call LoadWindowHUD
	ld a, HIGH(vBGMap1)
	call .LoadBGMapAddrIntoHRAM
	call HDMATransferTilemapAndAttrmap_Menu
	farcall ApplyPals
	ld a, TRUE
	ldh [hCGBPalUpdate], a
	; display window using vBGMap1/vBGMap3 while vBGMap0/vBGMap2 is reanchored.
	; disable LCD interrupt to prevent cropping the window if window HUD is active
	; (caller must re-enable when window is hidden again).
	xor a
	ldh [rSTAT], a
	ldh [hBGMapMode], a
	ldh [hWY], a
	call HDMATransfer_FillBGMap0WithBlack
	ld a, HIGH(vBGMap0)
	call .LoadBGMapAddrIntoHRAM
	xor a ; LOW(vBGMap0)
	ld [wBGMapAnchor], a
	ld a, HIGH(vBGMap0)
	ld [wBGMapAnchor + 1], a
	xor a
	ldh [hSCX], a
	ldh [hSCY], a
	call ApplyBGMapAnchorToObjects
	ret

.LoadBGMapAddrIntoHRAM:
	ldh [hBGMapAddress + 1], a
	xor a
	ldh [hBGMapAddress], a
	ret

LoadFont_NoOAMUpdate::
	ldh a, [hOAMUpdate]
	push af
	ld a, $1
	ldh [hOAMUpdate], a

	call LoadFrame
	call HideWindow_EnableLCDInt
	call SafeUpdateSprites
	call LoadStandardFont

	pop af
	ldh [hOAMUpdate], a
	ret

LoadOverworldFont_NoOAMUpdate::
	ldh a, [hOAMUpdate]
	push af
	ld a, $1
	ldh [hOAMUpdate], a

	call LoadOverworldFontAndFrame
	ld a, $90
	ldh [hWY], a
	call SafeUpdateSprites

	pop af
	ldh [hOAMUpdate], a
	ret

HDMATransfer_FillBGMap0WithBlack:
	ldh a, [rSVBK]
	push af
	ld a, BANK(wDecompressScratch)
	ldh [rSVBK], a

	ld a, "■"
	ld hl, wDecompressScratch
	ld bc, wScratchAttrmap - wDecompressScratch
	call ByteFill
	ld a, HIGH(wDecompressScratch)
	ldh [rHDMA1], a
	ld a, LOW(wDecompressScratch)
	ldh [rHDMA2], a
	ld a, HIGH(vBGMap0 - STARTOF(VRAM))
	ldh [rHDMA3], a
	ld a, LOW(vBGMap0 - STARTOF(VRAM))
	ldh [rHDMA4], a
	ld a, $3f
	ldh [hDMATransfer], a
	call DelayFrame

	pop af
	ldh [rSVBK], a
	ret
Remove all address comments 2018-06-24 16:09:41 +02:00			`ReanchorBGMap_NoOAMUpdate::`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`call DelayFrame`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh a, [hOAMUpdate]`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`push af`

			`ld a, $1`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [hOAMUpdate], a`
			`ldh a, [hBGMapMode]`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`push af`
			`xor a`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [hBGMapMode], a`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00
			`call .ReanchorBGMap`

			`pop af`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [hBGMapMode], a`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`pop af`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [hOAMUpdate], a`
Harmonize engine/overworld with pokegold 2020-06-17 22:12:04 -04:00
wVramState -> wStateFlags and define flag constants (from pokecrystal f72f078c0e68736adf81f6c45c84f0c1e127a231) 2024-02-11 00:34:46 +01:00			`ld hl, wStateFlags`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`set 6, [hl]`
			`ret`

			`.ReanchorBGMap:`
			`xor a`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [hLCDCPointer], a`
			`ldh [hBGMapMode], a`
Overworld HUD implementation (#15) 2023-08-29 18:33:20 +02:00			`; prepare vBGMap1/vBGMap3 to be displayed while vBGMap0/vBGMap2 is reanchored.`
			`; draw screen at wTilemap and wAttrmap and then transfer it.`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`ld a, $90`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [hWY], a`
Apply most of pokecrystal PR 1105 2024-02-11 00:16:00 +01:00			`call LoadOverworldTilemapAndAttrmapPals`
Overworld HUD implementation (#15) 2023-08-29 18:33:20 +02:00			`call LoadWindowHUD`
Lowercase v for VRAM addresses 2017-12-28 13:32:33 +01:00			`ld a, HIGH(vBGMap1)`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`call .LoadBGMapAddrIntoHRAM`
Apply most of pokecrystal PR 1105 2024-02-11 00:16:00 +01:00			`call HDMATransferTilemapAndAttrmap_Menu`
callba/callab → farcall/callfar 2017-12-24 12:47:30 -05:00			`farcall ApplyPals`
Use TRUE for hCGBPalUpdate 2020-08-03 23:41:01 +02:00			`ld a, TRUE`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [hCGBPalUpdate], a`
Overworld HUD implementation (#15) 2023-08-29 18:33:20 +02:00			`; display window using vBGMap1/vBGMap3 while vBGMap0/vBGMap2 is reanchored.`
			`; disable LCD interrupt to prevent cropping the window if window HUD is active`
Window HUD: Handle Window being fully shown during reanchor map (#15) 2023-08-28 12:03:32 +02:00			`; (caller must re-enable when window is hidden again).`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`xor a`
Window HUD: Handle Window being fully shown during reanchor map (#15) 2023-08-28 12:03:32 +02:00			`ldh [rSTAT], a`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [hBGMapMode], a`
			`ldh [hWY], a`
More usage docs 2024-02-26 18:20:33 +01:00			`call HDMATransfer_FillBGMap0WithBlack`
Lowercase v for VRAM addresses 2017-12-28 13:32:33 +01:00			`ld a, HIGH(vBGMap0)`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`call .LoadBGMapAddrIntoHRAM`
Lowercase v for VRAM addresses 2017-12-28 13:32:33 +01:00			`xor a ; LOW(vBGMap0)`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`ld [wBGMapAnchor], a`
Lowercase v for VRAM addresses 2017-12-28 13:32:33 +01:00			`ld a, HIGH(vBGMap0)`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`ld [wBGMapAnchor + 1], a`
			`xor a`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [hSCX], a`
			`ldh [hSCY], a`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`call ApplyBGMapAnchorToObjects`
			`ret`

Remove all address comments 2018-06-24 16:09:41 +02:00			`.LoadBGMapAddrIntoHRAM:`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [hBGMapAddress + 1], a`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`xor a`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [hBGMapAddress], a`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`ret`

Use overworld textbox in text printing functions, differentiating between 1bpp and 2bpp text (#10) 2023-08-11 12:28:14 +02:00			`LoadFont_NoOAMUpdate::`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh a, [hOAMUpdate]`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`push af`
			`ld a, $1`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [hOAMUpdate], a`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00
Expand tilesets from 192 to 255 tiles (#2) [Commit 2], Reorganization of pokecrystal charmap and fonts layout (#3) 2023-08-02 19:52:51 +02:00			`call LoadFrame`
Window HUD: Handle Window being fully shown during reanchor map (#15) 2023-08-28 12:03:32 +02:00			`call HideWindow_EnableLCDInt`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`call SafeUpdateSprites`
			`call LoadStandardFont`
Use overworld textbox in text printing functions, differentiating between 1bpp and 2bpp text (#10) 2023-08-11 12:28:14 +02:00
			`pop af`
			`ldh [hOAMUpdate], a`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`ret`

Load overworld font and frame via HDMA instead of copying to VRAM (#10) 2023-08-12 21:14:46 +02:00			`LoadOverworldFont_NoOAMUpdate::`
			`ldh a, [hOAMUpdate]`
			`push af`
			`ld a, $1`
			`ldh [hOAMUpdate], a`

			`call LoadOverworldFontAndFrame`
			`ld a, $90`
			`ldh [hWY], a`
			`call SafeUpdateSprites`

			`pop af`
			`ldh [hOAMUpdate], a`
			`ret`

Remove all address comments 2018-06-24 16:09:41 +02:00			`HDMATransfer_FillBGMap0WithBlack:`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh a, [rSVBK]`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`push af`
Use BANK for hardcoded WRAM banks (except where bankswitches appear unnecessary). 2018-01-03 19:12:45 -05:00			`ld a, BANK(wDecompressScratch)`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [rSVBK], a`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00
More Unicode 2018-01-19 02:30:19 -05:00			`ld a, "■"`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`ld hl, wDecompressScratch`
Standardize on lowercase Tilemap and Attrmap We used to have a mixture of TileMap and and Tilemap, as well as the similar AttrMap. Standardize on one. 2020-02-13 18:30:13 +01:00			`ld bc, wScratchAttrmap - wDecompressScratch`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`call ByteFill`
Resolve #428: Use `HIGH(X)` and `LOW(X)` instead of `X / $100` and `X % $100` or `X >> 8` and `X & $ff` 2017-12-25 13:40:10 -05:00			`ld a, HIGH(wDecompressScratch)`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [rHDMA1], a`
Resolve #428: Use `HIGH(X)` and `LOW(X)` instead of `X / $100` and `X % $100` or `X >> 8` and `X & $ff` 2017-12-25 13:40:10 -05:00			`ld a, LOW(wDecompressScratch)`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [rHDMA2], a`
Update to rgbds v0.7.0 2024-01-03 10:58:53 -05:00			`ld a, HIGH(vBGMap0 - STARTOF(VRAM))`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [rHDMA3], a`
Update to rgbds v0.7.0 2024-01-03 10:58:53 -05:00			`ld a, LOW(vBGMap0 - STARTOF(VRAM))`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [rHDMA4], a`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`ld a, $3f`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [hDMATransfer], a`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`call DelayFrame`

			`pop af`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 14:28:22 -04:00			`ldh [rSVBK], a`
Move more contiguous related code blocks from main.asm to engine/ and events/ 2017-12-15 20:10:54 -05:00			`ret`