pokecrystal-board/home/window.asm
Rangi eb1e3636bb 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

98 lines
1.6 KiB
NASM

RefreshScreen::
call ClearWindowData
ldh a, [hROMBank]
push af
ld a, BANK(ReanchorBGMap_NoOAMUpdate) ; and BANK(LoadFonts_NoOAMUpdate)
rst Bankswitch
call ReanchorBGMap_NoOAMUpdate
call _OpenAndCloseMenu_HDMATransferTileMapAndAttrMap
call LoadFonts_NoOAMUpdate
pop af
rst Bankswitch
ret
CloseText::
ldh a, [hOAMUpdate]
push af
ld a, $1
ldh [hOAMUpdate], a
call .CloseText
pop af
ldh [hOAMUpdate], a
ld hl, wVramState
res 6, [hl]
ret
.CloseText:
call ClearWindowData
xor a
ldh [hBGMapMode], a
call OverworldTextModeSwitch
call _OpenAndCloseMenu_HDMATransferTileMapAndAttrMap
xor a
ldh [hBGMapMode], a
call SafeUpdateSprites
ld a, $90
ldh [hWY], a
call ReplaceKrisSprite
farcall ReturnFromMapSetupScript
farcall LoadOverworldFont
ret
OpenText::
call ClearWindowData
ldh a, [hROMBank]
push af
ld a, BANK(ReanchorBGMap_NoOAMUpdate) ; and BANK(LoadFonts_NoOAMUpdate)
rst Bankswitch
call ReanchorBGMap_NoOAMUpdate ; clear bgmap
call SpeechTextBox
call _OpenAndCloseMenu_HDMATransferTileMapAndAttrMap ; anchor bgmap
call LoadFonts_NoOAMUpdate ; load font
pop af
rst Bankswitch
ret
_OpenAndCloseMenu_HDMATransferTileMapAndAttrMap::
ldh a, [hOAMUpdate]
push af
ld a, $1
ldh [hOAMUpdate], a
farcall OpenAndCloseMenu_HDMATransferTileMapAndAttrMap
pop af
ldh [hOAMUpdate], a
ret
SafeUpdateSprites::
ldh a, [hOAMUpdate]
push af
ldh a, [hBGMapMode]
push af
xor a
ldh [hBGMapMode], a
ld a, $1
ldh [hOAMUpdate], a
call UpdateSprites
xor a
ldh [hOAMUpdate], a
call DelayFrame
pop af
ldh [hBGMapMode], a
pop af
ldh [hOAMUpdate], a
ret
; unused
scf
ret