pokegold/engine/overworld/init_map.asm
2020-04-26 23:35:11 -04:00

97 lines
1.4 KiB
NASM

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
ret
.ReanchorBGMap:
xor a
ldh [hLCDCPointer], a
ldh [hBGMapMode], a
ld hl, wEnteredMapFromContinue
set 7, [hl]
res 2, [hl]
ld a, $90
ldh [hWY], a
call OverworldTextModeSwitch
ld a, HIGH(vBGMap1)
call .LoadBGMapAddrIntoHRAM
call _OpenAndCloseMenu_HDMATransferTilemapAndAttrmap
xor a
ldh [hBGMapMode], a
ldh [hWY], a
ld a, HIGH(vBGMap0)
call .LoadBGMapAddrIntoHRAM
call .WaitTransfer
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
.WaitTransfer:
ldh a, [hBGMapMode]
push af
xor a
ldh [hBGMapMode], a
ldh a, [hOAMUpdate]
push af
ld a, 1
ldh [hOAMUpdate], a
ld a, 3
ldh [hFF9E], a
.asm_65bc
call DelayFrame
ldh a, [hFF9E]
and a
jr nz, .asm_65bc
pop af
ldh [hOAMUpdate], a
pop af
ldh [hBGMapMode], a
ret
LoadFonts_NoOAMUpdate::
ldh a, [hOAMUpdate]
push af
ld a, $1
ldh [hOAMUpdate], a
call .LoadGFX
pop af
ldh [hOAMUpdate], a
ret
.LoadGFX:
call LoadFontsExtra
ld a, $90
ldh [hWY], a
call SafeUpdateSprites
call LoadStandardFont
ret