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TILES_PER_CYCLE EQU 8
FarDecompressBufferedPic:: ; unreferenced
ld b, a
ldh a, [hROMBank]
push af
ld a, b
rst Bankswitch
ld a, BANK(sDecompressBuffer)
call OpenSRAM
ld hl, sDecompressBuffer
ld bc, 7 * 7 tiles
xor a
call ByteFill
ld hl, wFarDecompressPicPointer
ld a, [hli]
ld h, [hl]
ld l, a
ld de, sDecompressBuffer
call Decompress
call CloseSRAM
pop af
rst Bankswitch
ret
UpdatePlayerSprite::
farcall _UpdatePlayerSprite
ret
LoadStandardFont::
farcall _LoadStandardFont
ret
LoadFontsBattleExtra::
farcall _LoadFontsBattleExtra
ret
LoadFontsExtra::
farcall _LoadFontsExtra
ret
DecompressRequest2bpp::
push de
ld a, BANK(sScratch)
call OpenSRAM
push bc
ld de, sScratch
ld a, b
call FarDecompress
pop bc
pop hl
ld de, sScratch
call Request2bpp
call CloseSRAM
ret
FarCopyBytes::
; copy bc bytes from a:hl to de
ld [wTempBank], a
ldh a, [hROMBank]
push af
ld a, [wTempBank]
rst Bankswitch
call CopyBytes
pop af
rst Bankswitch
ret
FarCopyBytesDouble::
; Copy bc bytes from a:hl to bc*2 bytes at de,
; doubling each byte in the process.
ld [wTempBank], a
ldh a, [hROMBank]
push af
ld a, [wTempBank]
rst Bankswitch
; switcheroo, de <> hl
ld a, h
ld h, d
ld d, a
ld a, l
ld l, e
ld e, a
inc b
inc c
jr .dec
.loop
ld a, [de]
inc de
ld [hli], a
ld [hli], a
.dec
dec c
jr nz, .loop
dec b
jr nz, .loop
pop af
rst Bankswitch
ret
Request2bpp::
; Load 2bpp at b:de to occupy c tiles of hl.
ldh a, [hBGMapMode]
push af
xor a
ldh [hBGMapMode], a
ldh a, [hROMBank]
push af
ld a, b
rst Bankswitch
ld a, e
ld [wRequested2bppSource], a
ld a, d
ld [wRequested2bppSource + 1], a
ld a, l
ld [wRequested2bppDest], a
ld a, h
ld [wRequested2bppDest + 1], a
.loop
ld a, c
cp TILES_PER_CYCLE
jr nc, .cycle
ld [wRequested2bppSize], a
call DelayFrame
pop af
rst Bankswitch
pop af
ldh [hBGMapMode], a
ret
.cycle
ld a, TILES_PER_CYCLE
ld [wRequested2bppSize], a
call DelayFrame
ld a, c
sub TILES_PER_CYCLE
ld c, a
jr .loop
Request1bpp::
; Load 1bpp at b:de to occupy c tiles of hl.
ldh a, [hBGMapMode]
push af
xor a
ldh [hBGMapMode], a
ldh a, [hROMBank]
push af
ld a, b
rst Bankswitch
ld a, e
ld [wRequested1bppSource], a
ld a, d
ld [wRequested1bppSource + 1], a
ld a, l
ld [wRequested1bppDest], a
ld a, h
ld [wRequested1bppDest + 1], a
.loop
ld a, c
cp TILES_PER_CYCLE
jr nc, .cycle
ld [wRequested1bppSize], a
call DelayFrame
pop af
rst Bankswitch
pop af
ldh [hBGMapMode], a
ret
.cycle
ld a, TILES_PER_CYCLE
ld [wRequested1bppSize], a
call DelayFrame
ld a, c
sub TILES_PER_CYCLE
ld c, a
jr .loop
Get2bpp::
; copy c 2bpp tiles from b:de to hl
ldh a, [rLCDC]
bit rLCDC_ENABLE, a
jp nz, Request2bpp
push hl
ld h, d
ld l, e
pop de
; bank
ld a, b
; bc = c * LEN_2BPP_TILE
push af
swap c
ld a, $f
and c
ld b, a
ld a, $f0
and c
ld c, a
pop af
jp FarCopyBytes
Get1bpp::
; copy c 1bpp tiles from b:de to hl
ldh a, [rLCDC]
bit rLCDC_ENABLE, a
jp nz, Request1bpp
push de
ld d, h
ld e, l
; bank
ld a, b
; bc = c * LEN_1BPP_TILE
push af
ld h, 0
ld l, c
add hl, hl
add hl, hl
add hl, hl
ld b, h
ld c, l
pop af
pop hl
jp FarCopyBytesDouble
DuplicateGet2bpp:: ; unreferenced
ldh a, [rLCDC]
add a
jp c, Request2bpp
push de
push hl
; bank
ld a, b
; bc = c * LEN_2BPP_TILE
ld h, 0
ld l, c
add hl, hl
add hl, hl
add hl, hl
add hl, hl
ld b, h
ld c, l
pop de
pop hl
jp FarCopyBytes
|
