1 files changed, 183 insertions, 0 deletions
diff --git a/home/audio.asm b/home/audio.asm
new file mode 100644
index 00000000..724b8c5f
--- /dev/null
+++ b/home/audio.asm
@@ -0,0 +1,183 @@
+Func_2307:: ; 2307 (0:2307)
+	call WaitForSoundToFinish
+	xor a
+	ld c, a
+	ld d, a
+	ld [wcfca], a
+	jr asm_2324
+
+Func_2312:: ; 2312 (0:2312)
+	ld c, $a
+	ld d, $0
+	ld a, [wd72e]
+	bit 5, a
+	jr z, asm_2324
+	xor a
+	ld [wcfca], a
+	ld c, $8
+	ld d, c
+asm_2324:: ; 2324 (0:2324)
+	ld a, [wd700]
+	and a
+	jr z, .asm_2343
+	cp $2
+	jr z, .asm_2332
+	ld a, MUSIC_BIKE_RIDING
+	jr .asm_2334
+.asm_2332
+	ld a, MUSIC_SURFING
+.asm_2334
+	ld b, a
+	ld a, d
+	and a
+	ld a, Bank(Func_7d8ea)
+	jr nz, .asm_233e
+	ld [wc0ef], a
+.asm_233e
+	ld [wc0f0], a
+	jr .asm_234c
+.asm_2343
+	ld a, [wd35b]
+	ld b, a
+	call Func_2385
+	jr c, .asm_2351
+.asm_234c
+	ld a, [wcfca]
+	cp b
+	ret z
+.asm_2351
+	ld a, c
+	ld [wMusicHeaderPointer], a
+	ld a, b
+	ld [wcfca], a
+	ld [wc0ee], a
+	jp PlaySound
+
+Func_235f:: ; 235f (0:235f)
+	ld a, [wc0ef]
+	ld b, a
+	cp $2
+	jr nz, .checkForBank08
+.bank02
+	ld hl, Func_9103
+	jr .asm_2378
+.checkForBank08
+	cp $8
+	jr nz, .bank1F
+.bank08
+	ld hl, Func_21879
+	jr .asm_2378
+.bank1F
+	ld hl, Func_7d177
+.asm_2378
+	ld c, $6
+.asm_237a
+	push bc
+	push hl
+	call Bankswitch
+	pop hl
+	pop bc
+	dec c
+	jr nz, .asm_237a
+	ret
+
+Func_2385:: ; 2385 (0:2385)
+	ld a, [wd35c]
+	ld e, a
+	ld a, [wc0ef]
+	cp e
+	jr nz, .asm_2394
+	ld [wc0f0], a
+	and a
+	ret
+.asm_2394
+	ld a, c
+	and a
+	ld a, e
+	jr nz, .asm_239c
+	ld [wc0ef], a
+.asm_239c
+	ld [wc0f0], a
+	scf
+	ret
+
+PlayMusic:: ; 23a1 (0:23a1)
+	ld b, a
+	ld [wc0ee], a
+	xor a
+	ld [wMusicHeaderPointer], a
+	ld a, c
+	ld [wc0ef], a
+	ld [wc0f0], a
+	ld a, b
+
+; plays music specified by a. If value is $ff, music is stopped
+PlaySound:: ; 23b1 (0:23b1)
+	push hl
+	push de
+	push bc
+	ld b, a
+	ld a, [wc0ee]
+	and a
+	jr z, .asm_23c8
+	xor a
+	ld [wc02a], a
+	ld [wc02b], a
+	ld [wc02c], a
+	ld [wc02d], a
+.asm_23c8
+	ld a, [wMusicHeaderPointer]
+	and a
+	jr z, .asm_23e3
+	ld a, [wc0ee]
+	and a
+	jr z, .asm_2425
+	xor a
+	ld [wc0ee], a
+	ld a, [wcfca]
+	cp $ff
+	jr nz, .asm_2414
+	xor a
+	ld [wMusicHeaderPointer], a
+.asm_23e3
+	xor a
+	ld [wc0ee], a
+	ld a, [H_LOADEDROMBANK]
+	ld [$ffb9], a
+	ld a, [wc0ef]
+	ld [H_LOADEDROMBANK], a
+	ld [$2000], a
+	cp $2
+	jr nz, .checkForBank08
+.bank02
+	ld a, b
+	call Func_9876
+	jr .asm_240b
+.checkForBank08
+	cp $8
+	jr nz, .bank1F
+.bank08
+	ld a, b
+	call Func_22035
+	jr .asm_240b
+.bank1F
+	ld a, b
+	call Func_7d8ea
+.asm_240b
+	ld a, [$ffb9]
+	ld [H_LOADEDROMBANK], a
+	ld [$2000], a
+	jr .asm_2425
+.asm_2414
+	ld a, b
+	ld [wcfca], a
+	ld a, [wMusicHeaderPointer]
+	ld [wcfc8], a
+	ld [wcfc9], a
+	ld a, b
+	ld [wMusicHeaderPointer], a
+.asm_2425
+	pop bc
+	pop de
+	pop hl
+	ret