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PlaySong: ; 0x490
ld a, [hLoadedROMBank]
push af
ld a, [wCurrentSongBank]
ld [hLoadedROMBank], a
ld [MBC5RomBank], a
ld a, e
ld [wStageSong], a
ld a, [wCurrentSongBank]
ld [wStageSongBank], a
call PlaySong_BankF ; this function is replicated in multiple banks.
pop af
ld [hLoadedROMBank], a
ld [MBC5RomBank], a
ret
PlaySoundEffect: ; 0x4af
; u8 d = duration
; u8 e = SFX ID
ld a, [wdead]
and a
ret nz
ld a, [wSFXTimer]
and a
jr z, .asm_4bd
ld a, d
and a
ret z
.asm_4bd
ld a, d
ld [wSFXTimer], a
ld d, $0
ld a, [hLoadedROMBank]
push af
ld a, [wCurrentSongBank]
ld [hLoadedROMBank], a
ld [MBC5RomBank], a
call PlaySoundEffect_BankF ; this function is replicated in multiple banks
pop af
ld [hLoadedROMBank], a
ld [MBC5RomBank], a
ret
PlaySFXIfNoneActive: ; 0x4d8
push bc
push de
push hl
ld a, [wChannel4 + 2]
ld hl, wChannel5 + 2
or [hl]
ld hl, wChannel6 + 2
or [hl]
and $1
call z, PlaySoundEffect
pop hl
pop de
pop bc
ret
PlayCry: ; 0x4ef
; Plays a Pokemon cry.
; Input: e = mon id
ld a, [hLoadedROMBank]
push af
ld a, [wCurrentSongBank]
ld [hLoadedROMBank], a
ld [MBC5RomBank], a
call PlayCry_BankF ; this function is replicated in multiple banks
pop af
ld [hLoadedROMBank], a
ld [MBC5RomBank], a
ret
UpdateSFX: ; 0x504
ld a, [hLoadedROMBank]
push af
ld a, [wCurrentSongBank]
ld [hLoadedROMBank], a
ld [MBC5RomBank], a
call Func_3c180
pop af
ld [hLoadedROMBank], a
ld [MBC5RomBank], a
ld a, [wd801]
inc a
ld [wd801], a
and $3
ret nz
ld a, [wSFXTimer]
and a
ret z
dec a
ld [wSFXTimer], a
ret
SetSongBank: ; 0x52c
di
ld [wCurrentSongBank], a
ei
ret
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