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FarCopyData:: ; 009d (0:009d)
; Copy bc bytes from a:hl to de.
ld [wFarCopyDataSavedROMBank], a
ld a, [H_LOADEDROMBANK]
push af
ld a, [wFarCopyDataSavedROMBank]
call BankswitchCommon
call CopyData
pop af
call BankswitchCommon
ret
CopyData:: ; 00b1 (0:00b1)
; Copy bc bytes from hl to de.
ld a,b
and a
jr z, .copybytes
ld a,c
and a ; is lower byte 0
jr z, .loop
inc b ; if not, increment b as there are <$100 bytes to copy
.loop
call .copybytes
dec b
jr nz,.loop
ret
.copybytes ; 00c1
ld a, [hli]
ld [de], a
inc de
dec c
jr nz, .copybytes
ret
CopyVideoDataAlternate:: ; 00c8 (0:00c8)
ld a, [rLCDC]
bit 7,a ; LCD enabled?
jp nz, CopyVideoData ; if yes, then copy video data
push hl
ld h,d
ld l,e
pop de
ld a,b ; save bank
push af
swap c
ld a,$f
and c
ld b,a
ld a,$f0
and c
ld c,a
pop af
jp FarCopyData
CopyVideoDataDoubleAlternate:: ; 00e3 (0:00e3)
ld a, [rLCDC]
bit 7,a ; LCD enabled?
jp nz, CopyVideoDataDouble ; if yes, then copy video data
push de
ld d,h
ld e,l
ld a,b
push af ; save bank to switch to
ld h,$0
ld l,c
add hl,hl ; get raw length of bytes to copy
add hl,hl
add hl,hl
ld b,h
ld c,l
pop af
pop hl
jp FarCopyDataDouble
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