quick split and decomp interrupt funcs

4 files changed, 3289 insertions, 3315 deletions

diff --git a/asm/code_800B540.s b/asm/code_800B540.s
index 85105f7..248e8eb 100644
--- a/asm/code_800B540.s
+++ b/asm/code_800B540.s
@@ -84,3320 +84,5 @@ _0800B5E8: .4byte gUnknown_203B0AC
 _0800B5EC: .4byte gUnknown_203B098
 	thumb_func_end sub_800B540
 
-	thumb_func_start sub_800B5F0
-sub_800B5F0:
-	push {lr}
-	ldr r0, _0800B610
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _0800B618
-	ldr r3, _0800B614
-	ldrh r1, [r3]
-	movs r2, 0x1
-	adds r0, r2, 0
-	ands r0, r1
-	cmp r0, 0
-	bne _0800B618
-	strh r2, [r3]
-	movs r0, 0x1
-	b _0800B61A
-	.align 2, 0
-_0800B610: .4byte gUnknown_203B098
-_0800B614: .4byte 0x04000208
-_0800B618:
-	movs r0, 0
-_0800B61A:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800B5F0
-
-	thumb_func_start sub_800B620
-sub_800B620:
-	push {lr}
-	ldr r0, _0800B640
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _0800B648
-	ldr r2, _0800B644
-	ldrh r1, [r2]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _0800B648
-	movs r0, 0
-	strh r0, [r2]
-	movs r0, 0x1
-	b _0800B64A
-	.align 2, 0
-_0800B640: .4byte gUnknown_203B098
-_0800B644: .4byte 0x04000208
-_0800B648:
-	movs r0, 0
-_0800B64A:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800B620
-
-	thumb_func_start sub_800B650
-sub_800B650:
-	push {lr}
-	ldr r0, _0800B66C
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _0800B674
-	ldr r0, _0800B670
-	ldrh r1, [r0]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	bne _0800B674
-	movs r0, 0x1
-	b _0800B676
-	.align 2, 0
-_0800B66C: .4byte gUnknown_203B098
-_0800B670: .4byte 0x04000208
-_0800B674:
-	movs r0, 0
-_0800B676:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800B650
-
-	thumb_func_start sub_800B67C
-sub_800B67C:
-	push {r4,lr}
-	lsls r0, 16
-	lsrs r4, r0, 16
-	ldr r0, _0800B6A4
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _0800B69E
-	ldr r3, _0800B6A8
-	movs r0, 0
-	strh r0, [r3]
-	ldr r2, _0800B6AC
-	ldrh r1, [r2]
-	adds r0, r4, 0
-	orrs r0, r1
-	strh r0, [r2]
-	movs r0, 0x1
-	strh r0, [r3]
-_0800B69E:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800B6A4: .4byte gUnknown_203B098
-_0800B6A8: .4byte 0x04000208
-_0800B6AC: .4byte INTR_CHECK
-	thumb_func_end sub_800B67C
-
-	thumb_func_start sub_800B6B0
-sub_800B6B0:
-	push {r4,lr}
-	ldr r1, _0800B6D0
-	ldr r2, _0800B6D4
-	bl CpuSet
-	ldr r0, _0800B6D8
-	ldr r4, _0800B6DC
-	ldr r2, _0800B6E0
-	adds r1, r4, 0
-	bl CpuSet
-	ldr r0, _0800B6E4
-	str r4, [r0]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800B6D0: .4byte gIntrTable
-_0800B6D4: .4byte 0x04000006
-_0800B6D8: .4byte IntrMain
-_0800B6DC: .4byte gUnknown_202D4B8
-_0800B6E0: .4byte 0x04000048
-_0800B6E4: .4byte INTR_VECTOR
-	thumb_func_end sub_800B6B0
-
-	thumb_func_start sub_800B6E8
-sub_800B6E8:
-	lsls r0, 2
-	ldr r1, _0800B6F0
-	adds r0, r1
-	bx lr
-	.align 2, 0
-_0800B6F0: .4byte gIntrTable
-	thumb_func_end sub_800B6E8
-
-	thumb_func_start sub_800B6F4
-sub_800B6F4:
-	push {r4-r6,lr}
-	adds r4, r0, 0
-	adds r5, r1, 0
-	bl sub_800B620
-	lsls r0, 24
-	ldr r1, _0800B71C
-	lsls r4, 2
-	adds r4, r1
-	ldr r6, [r4]
-	str r5, [r4]
-	cmp r0, 0
-	beq _0800B712
-	bl sub_800B5F0
-_0800B712:
-	adds r0, r6, 0
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0800B71C: .4byte gUnknown_202D5F0
-	thumb_func_end sub_800B6F4
-
-	thumb_func_start sub_800B720
-sub_800B720:
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x14
-	str r1, [sp]
-	lsls r0, 16
-	asrs r0, 16
-	str r0, [sp, 0xC]
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r0, 24
-	str r0, [sp, 0x4]
-	ldr r0, _0800B780
-	mov r8, r0
-	ldr r1, _0800B784
-	mov r10, r1
-	ldr r2, _0800B788
-	mov r9, r2
-	ldr r5, _0800B78C
-	mov r12, r5
-_0800B74E:
-	movs r7, 0
-	str r7, [sp, 0x10]
-	movs r4, 0
-	ldr r3, _0800B784
-	mov r1, r8
-	movs r2, 0
-	ldrsh r0, [r1, r2]
-	ldr r6, _0800B78C
-	ldr r5, [sp, 0xC]
-	lsls r5, 16
-	str r5, [sp, 0x8]
-	cmp r4, r0
-	bge _0800B7BA
-	movs r7, 0
-	ldrsh r1, [r3, r7]
-	ldrh r2, [r6]
-	movs r5, 0
-	ldrsh r0, [r6, r5]
-	cmp r1, r0
-	bne _0800B790
-	adds r0, r2, 0x1
-	mov r7, r9
-	ands r0, r7
-	strh r0, [r6]
-	b _0800B74E
-	.align 2, 0
-_0800B780: .4byte gUnknown_203B0AA
-_0800B784: .4byte gUnknown_202D608
-_0800B788: .4byte 0x00007fff
-_0800B78C: .4byte gUnknown_203B0A8
-_0800B790:
-	adds r4, 0x1
-	adds r3, 0x8
-	mov r1, r8
-	movs r2, 0
-	ldrsh r0, [r1, r2]
-	cmp r4, r0
-	bge _0800B7BA
-	movs r5, 0
-	ldrsh r1, [r3, r5]
-	mov r7, r12
-	ldrh r2, [r7]
-	movs r5, 0
-	ldrsh r0, [r7, r5]
-	cmp r1, r0
-	bne _0800B790
-	adds r0, r2, 0x1
-	mov r7, r9
-	ands r0, r7
-	strh r0, [r6]
-	movs r0, 0x1
-	str r0, [sp, 0x10]
-_0800B7BA:
-	ldr r1, [sp, 0x10]
-	cmp r1, 0
-	bne _0800B74E
-	movs r4, 0
-	mov r3, r10
-	ldr r2, _0800B84C
-	movs r5, 0
-	ldrsh r1, [r2, r5]
-	cmp r4, r1
-	bge _0800B7EA
-	movs r7, 0x2
-	ldrsh r0, [r3, r7]
-	ldr r2, [sp, 0xC]
-	cmp r0, r2
-	bgt _0800B7EA
-_0800B7D8:
-	adds r4, 0x1
-	adds r3, 0x8
-	cmp r4, r1
-	bge _0800B7EA
-	movs r5, 0x2
-	ldrsh r0, [r3, r5]
-	ldr r7, [sp, 0xC]
-	cmp r0, r7
-	ble _0800B7D8
-_0800B7EA:
-	ldr r1, _0800B84C
-	movs r2, 0
-	ldrsh r0, [r1, r2]
-	subs r2, r0, 0x1
-	lsls r0, r2, 3
-	mov r5, r10
-	adds r3, r0, r5
-	lsls r5, r4, 3
-	cmp r2, r4
-	blt _0800B80E
-_0800B7FE:
-	ldr r0, [r3]
-	ldr r1, [r3, 0x4]
-	str r0, [r3, 0x8]
-	str r1, [r3, 0xC]
-	subs r2, 0x1
-	subs r3, 0x8
-	cmp r2, r4
-	bge _0800B7FE
-_0800B80E:
-	ldr r7, _0800B84C
-	ldrh r0, [r7]
-	adds r0, 0x1
-	strh r0, [r7]
-	mov r0, r10
-	adds r1, r5, r0
-	ldrh r0, [r6]
-	strh r0, [r1]
-	ldr r2, [sp, 0x8]
-	lsrs r0, r2, 16
-	strh r0, [r1, 0x2]
-	mov r0, r10
-	adds r0, 0x4
-	adds r0, r5, r0
-	ldr r5, [sp]
-	str r5, [r0]
-	ldr r7, [sp, 0x4]
-	cmp r7, 0
-	beq _0800B838
-	bl sub_800B5F0
-_0800B838:
-	movs r1, 0
-	ldrsh r0, [r6, r1]
-	add sp, 0x14
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0800B84C: .4byte gUnknown_203B0AA
-	thumb_func_end sub_800B720
-
-	thumb_func_start sub_800B850
-sub_800B850:
-	push {r4-r7,lr}
-	lsls r0, 16
-	asrs r6, r0, 16
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r5, r0, 24
-	movs r2, 0
-	ldr r4, _0800B8A0
-	ldr r3, _0800B8A4
-	movs r1, 0
-	ldrsh r0, [r3, r1]
-	cmp r2, r0
-	bge _0800B8B4
-	adds r1, r3, 0
-_0800B86E:
-	movs r7, 0
-	ldrsh r0, [r4, r7]
-	cmp r0, r6
-	bne _0800B8A8
-	ldrh r0, [r1]
-	subs r0, 0x1
-	strh r0, [r1]
-	movs r3, 0
-	ldrsh r0, [r1, r3]
-	cmp r2, r0
-	bge _0800B896
-	ldr r3, _0800B8A4
-_0800B886:
-	ldr r0, [r4, 0x8]
-	ldr r1, [r4, 0xC]
-	stm r4!, {r0,r1}
-	adds r2, 0x1
-	movs r7, 0
-	ldrsh r0, [r3, r7]
-	cmp r2, r0
-	blt _0800B886
-_0800B896:
-	cmp r5, 0
-	beq _0800B8BC
-	bl sub_800B5F0
-	b _0800B8BC
-	.align 2, 0
-_0800B8A0: .4byte gUnknown_202D608
-_0800B8A4: .4byte gUnknown_203B0AA
-_0800B8A8:
-	adds r2, 0x1
-	adds r4, 0x8
-	movs r7, 0
-	ldrsh r0, [r3, r7]
-	cmp r2, r0
-	blt _0800B86E
-_0800B8B4:
-	cmp r5, 0
-	beq _0800B8BC
-	bl sub_800B5F0
-_0800B8BC:
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_800B850
-
-	thumb_func_start nullsub_177
-nullsub_177:
-	bx lr
-	thumb_func_end nullsub_177
-
-	thumb_func_start VBlankIntr
-VBlankIntr:
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	ldr r0, _0800B95C
-	ldr r1, [r0]
-	adds r1, 0x1
-	str r1, [r0]
-	bl SoundVSync
-	bl BlinkSavingIcon
-	ldr r0, _0800B960
-	ldr r0, [r0, 0x4]
-	cmp r0, 0
-	beq _0800B8EE
-	bl _call_via_r0
-_0800B8EE:
-	movs r2, 0
-	ldr r3, _0800B964
-	movs r1, 0
-	ldrsh r0, [r3, r1]
-	adds r6, r3, 0
-	ldr r7, _0800B968
-	ldr r1, _0800B96C
-	mov r12, r1
-	ldr r1, _0800B970
-	mov r8, r1
-	ldr r1, _0800B974
-	mov r9, r1
-	ldr r1, _0800B978
-	mov r10, r1
-	cmp r2, r0
-	bge _0800B920
-	ldr r5, _0800B97C
-	ldr r4, _0800B980
-_0800B912:
-	ldm r5!, {r0,r1}
-	stm r4!, {r0,r1}
-	adds r2, 0x1
-	movs r1, 0
-	ldrsh r0, [r3, r1]
-	cmp r2, r0
-	blt _0800B912
-_0800B920:
-	ldrh r0, [r6]
-	strh r0, [r7]
-	movs r1, 0x1
-	negs r1, r1
-	adds r0, r1, 0
-	mov r1, r12
-	strh r0, [r1]
-	mov r1, r8
-	strh r0, [r1]
-	mov r1, r9
-	strh r0, [r1]
-	ldr r1, _0800B984
-	movs r0, 0x28
-	strh r0, [r1]
-	mov r1, r10
-	ldrb r0, [r1]
-	cmp r0, 0
-	bne _0800B948
-	bl UpdateSound
-_0800B948:
-	movs r0, 0x1
-	bl sub_800B67C
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800B95C: .4byte gUnknown_203B0A0
-_0800B960: .4byte gUnknown_202D5F0
-_0800B964: .4byte gUnknown_203B0AA
-_0800B968: .4byte gUnknown_203B0AC
-_0800B96C: .4byte gUnknown_203B0AE
-_0800B970: .4byte gUnknown_203B0B0
-_0800B974: .4byte gUnknown_203B0B2
-_0800B978: .4byte gUnknown_203B099
-_0800B97C: .4byte gUnknown_202D608
-_0800B980: .4byte gUnknown_202D648
-_0800B984: .4byte 0x04000004
-	thumb_func_end VBlankIntr
-
-	thumb_func_start VCountIntr
-VCountIntr:
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	ldr r0, _0800BA44
-	ldrh r0, [r0]
-	lsls r0, 16
-	asrs r6, r0, 16
-	ldr r0, _0800BA48
-	movs r2, 0
-	ldrsh r1, [r0, r2]
-	adds r7, r0, 0
-	cmp r1, 0
-	bge _0800B9B2
-	ldr r0, _0800BA4C
-	ldr r0, [r0, 0x8]
-	cmp r0, 0
-	beq _0800B9AE
-	bl _call_via_r0
-_0800B9AE:
-	movs r0, 0
-	strh r0, [r7]
-_0800B9B2:
-	ldr r0, _0800BA50
-	movs r3, 0
-	ldrsh r2, [r7, r3]
-	movs r3, 0
-	ldrsh r1, [r0, r3]
-	mov r8, r0
-	cmp r2, r1
-	bge _0800BA34
-	ldr r1, _0800BA54
-	adds r0, r2, 0
-	lsls r0, 3
-	adds r0, r1
-	movs r3, 0x2
-	ldrsh r0, [r0, r3]
-	cmp r0, r6
-	bgt _0800BA10
-	adds r5, r1, 0
-	adds r4, r7, 0
-_0800B9D6:
-	movs r1, 0
-	ldrsh r0, [r4, r1]
-	lsls r0, 3
-	adds r1, r5, 0x4
-	adds r0, r1
-	ldr r0, [r0]
-	cmp r0, 0
-	beq _0800B9EA
-	bl _call_via_r0
-_0800B9EA:
-	ldrh r0, [r4]
-	adds r0, 0x1
-	strh r0, [r4]
-	ldr r1, _0800BA50
-	lsls r0, 16
-	asrs r0, 16
-	movs r2, 0
-	ldrsh r1, [r1, r2]
-	cmp r0, r1
-	bge _0800BA34
-	movs r3, 0
-	ldrsh r0, [r4, r3]
-	lsls r0, 3
-	adds r0, r5
-	movs r1, 0x2
-	ldrsh r0, [r0, r1]
-	ldr r7, _0800BA48
-	cmp r0, r6
-	ble _0800B9D6
-_0800BA10:
-	movs r2, 0
-	ldrsh r1, [r7, r2]
-	mov r3, r8
-	movs r2, 0
-	ldrsh r0, [r3, r2]
-	cmp r1, r0
-	bge _0800BA34
-	ldr r2, _0800BA58
-	ldr r1, _0800BA54
-	movs r3, 0
-	ldrsh r0, [r7, r3]
-	lsls r0, 3
-	adds r0, r1
-	ldrh r0, [r0, 0x2]
-	lsls r0, 8
-	movs r1, 0x28
-	orrs r0, r1
-	strh r0, [r2]
-_0800BA34:
-	movs r0, 0x4
-	bl sub_800B67C
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800BA44: .4byte 0x04000006
-_0800BA48: .4byte gUnknown_203B0AE
-_0800BA4C: .4byte gUnknown_202D5F0
-_0800BA50: .4byte gUnknown_203B0AC
-_0800BA54: .4byte gUnknown_202D648
-_0800BA58: .4byte 0x04000004
-	thumb_func_end VCountIntr
-
-	thumb_func_start sub_800BA5C
-sub_800BA5C:
-	push {r4,lr}
-	ldr r4, _0800BAA4
-	ldrb r0, [r4]
-	cmp r0, 0
-	beq _0800BA72
-	ldr r1, _0800BAA8
-	ldr r0, [r1]
-	adds r0, 0x1
-	str r0, [r1]
-	bl xxx_update_bg_sound_input
-_0800BA72:
-	movs r0, 0x1
-	strb r0, [r4]
-	ldr r1, _0800BAAC
-	movs r0, 0
-	strb r0, [r1]
-	ldr r1, _0800BAA8
-	movs r0, 0
-	str r0, [r1]
-	bl nullsub_25
-	ldr r1, _0800BAB0
-_0800BA88:
-	ldrh r0, [r1]
-	cmp r0, 0x9F
-	bhi _0800BA88
-	ldr r1, _0800BAB4
-	movs r0, 0x1
-	strb r0, [r1]
-	bl VBlankIntrWait
-	bl nullsub_18
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800BAA4: .4byte gUnknown_203B09A
-_0800BAA8: .4byte gUnknown_203B09C
-_0800BAAC: .4byte gUnknown_203B09B
-_0800BAB0: .4byte 0x04000006
-_0800BAB4: .4byte gUnknown_203B099
-	thumb_func_end sub_800BA5C
-
-	thumb_func_start xxx_update_bg_sound_input
-xxx_update_bg_sound_input:
-	push {r4,r5,lr}
-	ldr r1, _0800BACC
-	ldrb r4, [r1]
-	cmp r4, 0
-	beq _0800BAD4
-	ldr r1, _0800BAD0
-	ldr r0, [r1]
-	adds r0, 0x1
-	str r0, [r1]
-	b _0800BAFE
-	.align 2, 0
-_0800BACC: .4byte gUnknown_203B09B
-_0800BAD0: .4byte gUnknown_203B09C
-_0800BAD4:
-	movs r0, 0x1
-	strb r0, [r1]
-	ldr r0, _0800BB04
-	strb r4, [r0]
-	ldr r0, _0800BB08
-	str r4, [r0]
-	bl UpdateBGControlRegisters
-	ldr r5, _0800BB0C
-	ldrb r0, [r5]
-	cmp r0, 0
-	beq _0800BAF0
-	bl UpdateSound
-_0800BAF0:
-	bl UpdateInput
-	strb r4, [r5]
-	ldr r0, _0800BB10
-	ldr r1, _0800BB14
-	ldr r1, [r1]
-	str r1, [r0]
-_0800BAFE:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800BB04: .4byte gUnknown_203B09A
-_0800BB08: .4byte gUnknown_203B09C
-_0800BB0C: .4byte gUnknown_203B099
-_0800BB10: .4byte gUnknown_203B0A4
-_0800BB14: .4byte gUnknown_203B0A0
-	thumb_func_end xxx_update_bg_sound_input
-
-	thumb_func_start Timer3Intr
-Timer3Intr:
-	push {lr}
-	ldr r0, _0800BB30
-	ldr r0, [r0, 0x10]
-	cmp r0, 0
-	beq _0800BB26
-	bl _call_via_r0
-_0800BB26:
-	movs r0, 0x40
-	bl sub_800B67C
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800BB30: .4byte gUnknown_202D5F0
-	thumb_func_end Timer3Intr
-
-	thumb_func_start sub_800BB34
-sub_800BB34:
-	ldr r0, _0800BB3C
-	ldr r0, [r0]
-	bx lr
-	.align 2, 0
-_0800BB3C: .4byte gUnknown_203B0A0
-	thumb_func_end sub_800BB34
-
-	thumb_func_start nullsub_178
-nullsub_178:
-	bx lr
-	thumb_func_end nullsub_178
-
-	thumb_func_start sub_800BB44
-sub_800BB44:
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x4
-	ldr r2, _0800BBF0
-	ldrh r0, [r2]
-	ldr r1, _0800BBF4
-	cmp r0, r1
-	beq _0800BB60
-_0800BB5A:
-	ldrh r0, [r2]
-	cmp r0, r1
-	bne _0800BB5A
-_0800BB60:
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r0, 24
-	str r0, [sp]
-	ldr r1, _0800BBF8
-_0800BB6C:
-	ldrh r0, [r1]
-	cmp r0, 0x9F
-	bls _0800BB6C
-	movs r0, 0x80
-	lsls r0, 19
-	mov r9, r0
-	ldrh r1, [r0]
-	mov r8, r1
-	movs r0, 0x80
-	mov r2, r9
-	strh r0, [r2]
-	movs r7, 0xA0
-	lsls r7, 19
-	ldr r1, _0800BBFC
-	adds r0, r1, 0
-	strh r0, [r7]
-	ldr r5, _0800BC00
-	ldrh r4, [r5]
-	movs r2, 0xC0
-	lsls r2, 6
-	adds r0, r2, 0
-	strh r0, [r5]
-	ldr r0, _0800BC04
-	mov r10, r0
-	ldr r1, _0800BC08
-	adds r0, r1, 0
-	mov r2, r10
-	strh r0, [r2]
-	ldr r6, _0800BC0C
-	movs r0, 0x1
-	strh r0, [r6]
-	bl SoundBiasReset
-	swi 0x3
-	bl SoundBiasSet
-	movs r0, 0
-	strh r0, [r6]
-	strh r4, [r5]
-	mov r1, r10
-	strh r0, [r1]
-	mov r1, r8
-	mov r2, r9
-	strh r1, [r2]
-	strh r0, [r7]
-	ldr r2, [sp]
-	cmp r2, 0
-	beq _0800BBD0
-	bl sub_800B5F0
-_0800BBD0:
-	ldr r2, _0800BBF0
-	ldrh r0, [r2]
-	ldr r1, _0800BBF4
-	cmp r0, r1
-	beq _0800BBE0
-_0800BBDA:
-	ldrh r0, [r2]
-	cmp r0, r1
-	bne _0800BBDA
-_0800BBE0:
-	add sp, 0x4
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800BBF0: .4byte 0x04000130
-_0800BBF4: .4byte 0x000003ff
-_0800BBF8: .4byte 0x04000006
-_0800BBFC: .4byte 0x00007fff
-_0800BC00: .4byte 0x04000200
-_0800BC04: .4byte 0x04000132
-_0800BC08: .4byte 0x00008304
-_0800BC0C: .4byte 0x04000208
-	thumb_func_end sub_800BB44
-
-	thumb_func_start nullsub_17
-nullsub_17:
-	bx lr
-	thumb_func_end nullsub_17
-
-	thumb_func_start UpdateBGControlRegisters
-UpdateBGControlRegisters:
-	push {r4,lr}
-	sub sp, 0x10
-	ldr r0, _0800BC2C
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _0800BC30
-	str r0, [sp]
-	movs r0, 0x2
-	str r0, [sp, 0x4]
-	movs r0, 0
-	b _0800BC3A
-	.align 2, 0
-_0800BC2C: .4byte gUnknown_202D7FE
-_0800BC30:
-	movs r0, 0
-	str r0, [sp]
-	movs r0, 0x1
-	str r0, [sp, 0x4]
-	movs r0, 0x2
-_0800BC3A:
-	str r0, [sp, 0x8]
-	movs r0, 0x3
-	str r0, [sp, 0xC]
-	ldr r1, _0800BCA8
-	ldr r2, _0800BCAC
-	ldrh r0, [r2, 0x4]
-	strh r0, [r1]
-	adds r1, 0x2
-	ldrh r0, [r2, 0x6]
-	strh r0, [r1]
-	adds r1, 0x2
-	ldr r2, _0800BCB0
-	ldrh r0, [r2, 0x4]
-	strh r0, [r1]
-	adds r1, 0x2
-	ldrh r0, [r2, 0x6]
-	strh r0, [r1]
-	adds r1, 0x2
-	ldr r3, _0800BCB4
-	ldrh r0, [r3, 0x4]
-	strh r0, [r1]
-	adds r1, 0x2
-	ldrh r0, [r3, 0x6]
-	strh r0, [r1]
-	adds r1, 0x2
-	ldr r2, _0800BCB8
-	ldrh r0, [r2, 0x4]
-	strh r0, [r1]
-	adds r1, 0x2
-	ldrh r0, [r2, 0x6]
-	strh r0, [r1]
-	ldr r2, _0800BCBC
-	ldr r0, [sp]
-	movs r4, 0xB0
-	lsls r4, 6
-	adds r1, r4, 0
-	orrs r0, r1
-	strh r0, [r2]
-	adds r2, 0x2
-	ldr r0, [sp, 0x4]
-	movs r4, 0xB4
-	lsls r4, 6
-	adds r1, r4, 0
-	orrs r0, r1
-	strh r0, [r2]
-	ldrh r1, [r3, 0x2]
-	movs r0, 0x80
-	lsls r0, 8
-	cmp r1, r0
-	bne _0800BCC8
-	ldr r0, _0800BCC0
-	ldr r1, [sp, 0x8]
-	ldr r3, _0800BCC4
-	adds r2, r3, 0
-	b _0800BCD2
-	.align 2, 0
-_0800BCA8: .4byte 0x04000010
-_0800BCAC: .4byte gUnknown_202D698
-_0800BCB0: .4byte gUnknown_202D6A0
-_0800BCB4: .4byte gUnknown_202D6A8
-_0800BCB8: .4byte gUnknown_202D6B0
-_0800BCBC: .4byte 0x04000008
-_0800BCC0: .4byte 0x0400000c
-_0800BCC4: .4byte 0x00002e08
-_0800BCC8:
-	ldr r0, _0800BCF4
-	ldr r1, [sp, 0x8]
-	movs r4, 0xB8
-	lsls r4, 6
-	adds r2, r4, 0
-_0800BCD2:
-	orrs r1, r2
-	strh r1, [r0]
-	ldr r2, _0800BCF8
-	ldr r0, [sp, 0xC]
-	ldr r3, _0800BCFC
-	adds r1, r3, 0
-	orrs r0, r1
-	strh r0, [r2]
-	ldr r1, _0800BD00
-	ldr r0, _0800BD04
-	ldrh r0, [r0]
-	strh r0, [r1]
-	add sp, 0x10
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800BCF4: .4byte 0x0400000c
-_0800BCF8: .4byte 0x0400000e
-_0800BCFC: .4byte 0x00002f08
-_0800BD00: .4byte 0x04000050
-_0800BD04: .4byte gUnknown_202D7FC
-	thumb_func_end UpdateBGControlRegisters
-
-	thumb_func_start sub_800BD08
-sub_800BD08:
-	push {r4,lr}
-	ldr r1, _0800BDA8
-	ldrh r2, [r1, 0xA]
-	ldr r4, _0800BDAC
-	adds r0, r4, 0
-	ands r0, r2
-	strh r0, [r1, 0xA]
-	ldrh r2, [r1, 0xA]
-	ldr r3, _0800BDB0
-	adds r0, r3, 0
-	ands r0, r2
-	strh r0, [r1, 0xA]
-	ldrh r0, [r1, 0xA]
-	adds r1, 0xC
-	ldrh r2, [r1, 0xA]
-	adds r0, r4, 0
-	ands r0, r2
-	strh r0, [r1, 0xA]
-	ldrh r2, [r1, 0xA]
-	adds r0, r3, 0
-	ands r0, r2
-	strh r0, [r1, 0xA]
-	ldrh r0, [r1, 0xA]
-	adds r1, 0xC
-	ldrh r2, [r1, 0xA]
-	adds r0, r4, 0
-	ands r0, r2
-	strh r0, [r1, 0xA]
-	ldrh r2, [r1, 0xA]
-	adds r0, r3, 0
-	ands r0, r2
-	strh r0, [r1, 0xA]
-	ldrh r0, [r1, 0xA]
-	ldr r0, _0800BDB4
-	ldrh r1, [r0, 0xA]
-	ands r4, r1
-	strh r4, [r0, 0xA]
-	ldrh r1, [r0, 0xA]
-	ands r3, r1
-	strh r3, [r0, 0xA]
-	ldrh r0, [r0, 0xA]
-	bl m4aSoundInit
-	ldr r0, _0800BDB8
-	movs r2, 0
-	strh r2, [r0]
-	ldr r0, _0800BDBC
-	ldr r3, _0800BDC0
-	adds r1, r3, 0
-	strh r1, [r0]
-	ldr r0, _0800BDC4
-	strh r1, [r0]
-	ldr r1, _0800BDC8
-	subs r3, 0x2
-	adds r0, r3, 0
-	strh r0, [r1]
-	ldr r0, _0800BDCC
-	strh r2, [r0]
-	ldr r0, _0800BDD0
-	strh r2, [r0]
-	ldr r0, _0800BDD4
-	strb r2, [r0]
-	ldr r0, _0800BDD8
-	movs r4, 0
-	movs r2, 0
-	movs r1, 0x7
-_0800BD8C:
-	strh r2, [r0]
-	strh r3, [r0, 0x2]
-	strh r2, [r0, 0x4]
-	strb r4, [r0, 0x6]
-	subs r1, 0x1
-	adds r0, 0x8
-	cmp r1, 0
-	bge _0800BD8C
-	bl nullsub_19
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800BDA8: .4byte 0x040000b0
-_0800BDAC: .4byte 0x0000c5ff
-_0800BDB0: .4byte 0x00007fff
-_0800BDB4: .4byte 0x040000d4
-_0800BDB8: .4byte gUnknown_202D688
-_0800BDBC: .4byte gUnknown_202D68A
-_0800BDC0: .4byte 0x000003e7
-_0800BDC4: .4byte gUnknown_202D68C
-_0800BDC8: .4byte gUnknown_202D68E
-_0800BDCC: .4byte gUnknown_202D690
-_0800BDD0: .4byte gUnknown_202D692
-_0800BDD4: .4byte gUnknown_202D694
-_0800BDD8: .4byte gUnknown_3000FD8
-	thumb_func_end sub_800BD08
-
-	thumb_func_start sub_800BDDC
-sub_800BDDC:
-	push {lr}
-	bl sub_800BF80
-	ldr r0, _0800BDF4
-	bl sub_800C298
-	ldr r0, _0800BDF8
-	bl sub_800C298
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800BDF4: .4byte 0x000003e6
-_0800BDF8: .4byte 0x000003e5
-	thumb_func_end sub_800BDDC
-
-	thumb_func_start sub_800BDFC
-sub_800BDFC:
-	push {r4-r6,lr}
-	lsls r0, 16
-	lsrs r4, r0, 16
-	adds r6, r4, 0
-	adds r0, r4, 0
-	bl sub_800CA9C
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800BE78
-	ldr r0, _0800BE40
-	cmp r4, r0
-	beq _0800BE78
-	ldr r5, _0800BE44
-	ldrh r0, [r5]
-	cmp r4, r0
-	bne _0800BE2C
-	ldr r0, _0800BE48
-	ldrh r0, [r0]
-	subs r0, 0x1
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bls _0800BE78
-_0800BE2C:
-	adds r0, r4, 0
-	bl sub_800CAE0
-	lsls r0, 16
-	cmp r0, 0
-	beq _0800BE4C
-	adds r0, r4, 0
-	bl nullsub_20
-	b _0800BE78
-	.align 2, 0
-_0800BE40: .4byte 0x000003e7
-_0800BE44: .4byte gUnknown_202D68A
-_0800BE48: .4byte gUnknown_202D688
-_0800BE4C:
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r4, r0, 24
-	strh r6, [r5]
-	ldr r1, _0800BE80
-	movs r0, 0x1
-	strb r0, [r1]
-	ldr r0, _0800BE84
-	ldrh r0, [r0]
-	cmp r0, 0
-	bne _0800BE70
-	ldr r1, _0800BE88
-	movs r0, 0x1
-	strh r0, [r1]
-	adds r0, r6, 0
-	bl m4aSongNumStart
-_0800BE70:
-	cmp r4, 0
-	beq _0800BE78
-	bl sub_800B5F0
-_0800BE78:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800BE80: .4byte gUnknown_202D694
-_0800BE84: .4byte gUnknown_202D690
-_0800BE88: .4byte gUnknown_202D688
-	thumb_func_end sub_800BDFC
-
-	thumb_func_start sub_800BE8C
-sub_800BE8C:
-	push {r4-r7,lr}
-	lsls r0, 16
-	lsrs r6, r0, 16
-	lsls r4, r1, 16
-	lsrs r5, r4, 16
-	adds r0, r6, 0
-	bl sub_800CA9C
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800BF2E
-	ldr r0, _0800BECC
-	cmp r6, r0
-	beq _0800BF2E
-	ldr r0, _0800BED0
-	ldrh r0, [r0]
-	cmp r6, r0
-	bne _0800BEBE
-	ldr r0, _0800BED4
-	ldrh r0, [r0]
-	subs r0, 0x1
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bls _0800BF2E
-_0800BEBE:
-	movs r0, 0x80
-	lsls r0, 1
-	cmp r5, r0
-	bls _0800BED8
-	movs r5, 0x10
-	b _0800BEE0
-	.align 2, 0
-_0800BECC: .4byte 0x000003e7
-_0800BED0: .4byte gUnknown_202D68A
-_0800BED4: .4byte gUnknown_202D688
-_0800BED8:
-	lsrs r5, r4, 20
-	cmp r5, 0
-	bne _0800BEE0
-	movs r5, 0x1
-_0800BEE0:
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r7, r0, 24
-	ldr r0, _0800BF34
-	strh r6, [r0]
-	ldr r1, _0800BF38
-	movs r0, 0x1
-	strb r0, [r1]
-	ldr r0, _0800BF3C
-	ldrh r0, [r0]
-	cmp r0, 0
-	bne _0800BF26
-	ldr r0, _0800BF40
-	movs r1, 0x1
-	strh r1, [r0]
-	adds r0, r6, 0
-	bl m4aSongNumStart
-	ldr r4, _0800BF44
-	adds r0, r4, 0
-	bl m4aMPlayImmInit
-	adds r0, r4, 0
-	movs r1, 0xFF
-	movs r2, 0
-	bl m4aMPlayVolumeControl
-	adds r0, r6, 0
-	bl m4aSongNumStop
-	adds r0, r4, 0
-	adds r1, r5, 0
-	bl m4aMPlayFadeIn
-_0800BF26:
-	cmp r7, 0
-	beq _0800BF2E
-	bl sub_800B5F0
-_0800BF2E:
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800BF34: .4byte gUnknown_202D68A
-_0800BF38: .4byte gUnknown_202D694
-_0800BF3C: .4byte gUnknown_202D690
-_0800BF40: .4byte gUnknown_202D688
-_0800BF44: .4byte gUnknown_20008F0
-	thumb_func_end sub_800BE8C
-
-	thumb_func_start sub_800BF48
-sub_800BF48:
-	push {r4,lr}
-	lsls r0, 16
-	lsrs r1, r0, 16
-	ldr r0, _0800BF64
-	ldrh r4, [r0]
-	ldr r0, _0800BF68
-	cmp r4, r0
-	bne _0800BF70
-	adds r0, r1, 0
-	bl sub_800BDFC
-	ldr r0, _0800BF6C
-	strh r4, [r0]
-	b _0800BF74
-	.align 2, 0
-_0800BF64: .4byte gUnknown_202D68A
-_0800BF68: .4byte 0x000003e7
-_0800BF6C: .4byte gUnknown_202D68C
-_0800BF70:
-	ldr r0, _0800BF7C
-	strh r1, [r0]
-_0800BF74:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800BF7C: .4byte gUnknown_202D68C
-	thumb_func_end sub_800BF48
-
-	thumb_func_start sub_800BF80
-sub_800BF80:
-	push {r4,lr}
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _0800BFBC
-	ldrh r0, [r0]
-	cmp r0, 0
-	bne _0800BFA2
-	ldr r0, _0800BFC0
-	ldrh r1, [r0]
-	ldr r0, _0800BFC4
-	cmp r1, r0
-	beq _0800BFA2
-	ldr r0, _0800BFC8
-	bl m4aMPlayStop
-_0800BFA2:
-	ldr r0, _0800BFC0
-	ldr r2, _0800BFC4
-	adds r1, r2, 0
-	strh r1, [r0]
-	ldr r0, _0800BFCC
-	strh r1, [r0]
-	cmp r4, 0
-	beq _0800BFB6
-	bl sub_800B5F0
-_0800BFB6:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800BFBC: .4byte gUnknown_202D690
-_0800BFC0: .4byte gUnknown_202D68A
-_0800BFC4: .4byte 0x000003e7
-_0800BFC8: .4byte gUnknown_20008F0
-_0800BFCC: .4byte gUnknown_202D68C
-	thumb_func_end sub_800BF80
-
-	thumb_func_start sub_800BFD0
-sub_800BFD0:
-	push {r4,r5,lr}
-	lsls r1, r0, 16
-	movs r0, 0x80
-	lsls r0, 17
-	cmp r1, r0
-	bls _0800BFE0
-	movs r4, 0x10
-	b _0800BFE8
-_0800BFE0:
-	lsrs r4, r1, 20
-	cmp r4, 0
-	bne _0800BFE8
-	movs r4, 0x1
-_0800BFE8:
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r0, _0800C018
-	ldrh r0, [r0]
-	cmp r0, 0
-	bne _0800C03C
-	ldr r3, _0800C01C
-	ldrh r0, [r3]
-	ldr r2, _0800C020
-	cmp r0, r2
-	beq _0800C044
-	ldr r1, _0800C024
-	ldrh r0, [r1]
-	cmp r0, 0x2
-	bne _0800C02C
-	movs r0, 0x3
-	strh r0, [r1]
-	ldr r0, _0800C028
-	adds r1, r4, 0
-	bl m4aMPlayFadeOut
-	b _0800C044
-	.align 2, 0
-_0800C018: .4byte gUnknown_202D690
-_0800C01C: .4byte gUnknown_202D68A
-_0800C020: .4byte 0x000003e7
-_0800C024: .4byte gUnknown_202D688
-_0800C028: .4byte gUnknown_20008F0
-_0800C02C:
-	strh r2, [r3]
-	ldr r0, _0800C038
-	bl m4aMPlayStop
-	b _0800C044
-	.align 2, 0
-_0800C038: .4byte gUnknown_20008F0
-_0800C03C:
-	ldr r1, _0800C05C
-	ldr r2, _0800C060
-	adds r0, r2, 0
-	strh r0, [r1]
-_0800C044:
-	ldr r1, _0800C064
-	ldr r2, _0800C060
-	adds r0, r2, 0
-	strh r0, [r1]
-	cmp r5, 0
-	beq _0800C054
-	bl sub_800B5F0
-_0800C054:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800C05C: .4byte gUnknown_202D68A
-_0800C060: .4byte 0x000003e7
-_0800C064: .4byte gUnknown_202D68C
-	thumb_func_end sub_800BFD0
-
-	thumb_func_start sub_800C068
-sub_800C068:
-	ldr r0, _0800C070
-	ldrh r0, [r0]
-	bx lr
-	.align 2, 0
-_0800C070: .4byte gUnknown_202D68A
-	thumb_func_end sub_800C068
-
-	thumb_func_start sub_800C074
-sub_800C074:
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	lsls r0, 16
-	lsrs r5, r0, 16
-	mov r8, r5
-	lsls r1, 16
-	lsrs r6, r1, 16
-	ldr r0, _0800C0FC
-	cmp r5, r0
-	bne _0800C08C
-	b _0800C208
-_0800C08C:
-	movs r7, 0x80
-	lsls r7, 1
-	cmp r6, r7
-	bls _0800C096
-	adds r6, r7, 0
-_0800C096:
-	adds r0, r5, 0
-	bl sub_800CACC
-	lsls r0, 24
-	cmp r0, 0
-	bne _0800C0A4
-	b _0800C1B0
-_0800C0A4:
-	adds r0, r5, 0
-	bl sub_800CAE0
-	lsls r0, 16
-	lsrs r7, r0, 16
-	cmp r7, 0x1
-	beq _0800C0B4
-	b _0800C1D0
-_0800C0B4:
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r0, 24
-	mov r8, r0
-	ldr r6, _0800C100
-	strh r5, [r6]
-	ldr r4, _0800C104
-	ldrh r0, [r4]
-	adds r2, r0, 0
-	cmp r2, 0
-	bne _0800C144
-	ldr r0, _0800C108
-	ldrh r1, [r0]
-	ldr r0, _0800C10C
-	cmp r1, r0
-	beq _0800C12C
-	ldr r0, _0800C110
-	ldrh r1, [r0]
-	subs r0, r1, 0x1
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bhi _0800C120
-	strh r7, [r4]
-	ldr r1, _0800C114
-	movs r0, 0x10
-	strh r0, [r1]
-	ldr r0, _0800C118
-	strb r2, [r0]
-	ldr r0, _0800C11C
-	movs r1, 0x1
-	bl m4aMPlayFadeOutTemporarily
-	b _0800C15E
-	.align 2, 0
-_0800C0FC: .4byte 0x000003e5
-_0800C100: .4byte gUnknown_202D68E
-_0800C104: .4byte gUnknown_202D690
-_0800C108: .4byte gUnknown_202D68A
-_0800C10C: .4byte 0x000003e7
-_0800C110: .4byte gUnknown_202D688
-_0800C114: .4byte gUnknown_202D692
-_0800C118: .4byte gUnknown_202D694
-_0800C11C: .4byte gUnknown_20008F0
-_0800C120:
-	lsls r0, r1, 16
-	lsrs r0, 16
-	cmp r0, 0x3
-	bne _0800C12C
-	movs r0, 0x2
-	b _0800C15C
-_0800C12C:
-	movs r0, 0x3
-	strh r0, [r4]
-	ldr r0, _0800C140
-	bl m4aMPlayStop
-	ldrh r0, [r6]
-	bl m4aSongNumStart
-	b _0800C15E
-	.align 2, 0
-_0800C140: .4byte gUnknown_20008F0
-_0800C144:
-	subs r0, 0x1
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bls _0800C15E
-	ldr r0, _0800C17C
-	bl m4aMPlayStop
-	ldrh r0, [r6]
-	bl m4aSongNumStart
-	movs r0, 0x3
-_0800C15C:
-	strh r0, [r4]
-_0800C15E:
-	ldr r0, _0800C180
-	ldrh r0, [r0]
-	cmp r0, 0x26
-	bgt _0800C184
-	cmp r0, 0x25
-	bge _0800C19A
-	cmp r0, 0x1A
-	blt _0800C1A0
-	cmp r0, 0x1F
-	ble _0800C19A
-	cmp r0, 0x23
-	bgt _0800C1A0
-	cmp r0, 0x22
-	blt _0800C1A0
-	b _0800C19A
-	.align 2, 0
-_0800C17C: .4byte gUnknown_20008F0
-_0800C180: .4byte gUnknown_202D68A
-_0800C184:
-	cmp r0, 0x7A
-	beq _0800C19A
-	cmp r0, 0x7A
-	bgt _0800C196
-	cmp r0, 0x77
-	bgt _0800C1A0
-	cmp r0, 0x75
-	blt _0800C1A0
-	b _0800C19A
-_0800C196:
-	cmp r0, 0x7F
-	bne _0800C1A0
-_0800C19A:
-	ldr r1, _0800C1AC
-	movs r0, 0x1
-	strb r0, [r1]
-_0800C1A0:
-	mov r0, r8
-	cmp r0, 0
-	beq _0800C208
-	bl sub_800B5F0
-	b _0800C208
-	.align 2, 0
-_0800C1AC: .4byte gUnknown_202D694
-_0800C1B0:
-	adds r0, r5, 0
-	bl sub_800CAAC
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800C208
-	adds r0, r5, 0
-	bl sub_800CAE0
-	lsls r0, 16
-	lsrs r0, 16
-	lsls r2, r0, 3
-	ldr r1, _0800C1D8
-	adds r4, r2, r1
-	cmp r0, 0x1
-	bhi _0800C1DC
-_0800C1D0:
-	adds r0, r5, 0
-	bl nullsub_20
-	b _0800C208
-	.align 2, 0
-_0800C1D8: .4byte gUnknown_3000FD8
-_0800C1DC:
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r5, r0, 24
-	mov r0, r8
-	bl m4aSongNumStart
-	movs r0, 0x1
-	strh r0, [r4]
-	mov r0, r8
-	strh r0, [r4, 0x2]
-	cmp r6, r7
-	bne _0800C1FA
-	movs r0, 0
-	b _0800C1FC
-_0800C1FA:
-	movs r0, 0x1
-_0800C1FC:
-	strb r0, [r4, 0x6]
-	strh r6, [r4, 0x4]
-	cmp r5, 0
-	beq _0800C208
-	bl sub_800B5F0
-_0800C208:
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_800C074
-
-	thumb_func_start sub_800C214
-sub_800C214:
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	lsls r0, 16
-	lsrs r5, r0, 16
-	lsls r1, 16
-	lsrs r7, r1, 16
-	movs r0, 0x80
-	lsls r0, 1
-	cmp r7, r0
-	bls _0800C22C
-	adds r7, r0, 0
-_0800C22C:
-	adds r0, r5, 0
-	bl sub_800CACC
-	lsls r0, 24
-	cmp r0, 0
-	bne _0800C286
-	adds r0, r5, 0
-	bl sub_800CAAC
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800C286
-	adds r0, r5, 0
-	bl sub_800CAE0
-	lsls r0, 16
-	lsrs r0, 16
-	ldr r2, _0800C290
-	lsls r1, r0, 1
-	adds r1, r0
-	lsls r1, 2
-	adds r1, r2
-	ldr r1, [r1]
-	mov r8, r1
-	lsls r2, r0, 3
-	ldr r1, _0800C294
-	adds r4, r2, r1
-	cmp r0, 0x1
-	bls _0800C286
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r6, r0, 24
-	ldrh r0, [r4, 0x2]
-	cmp r0, r5
-	bne _0800C27E
-	mov r0, r8
-	movs r1, 0xF
-	adds r2, r7, 0
-	bl m4aMPlayVolumeControl
-_0800C27E:
-	cmp r6, 0
-	beq _0800C286
-	bl sub_800B5F0
-_0800C286:
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800C290: .4byte gMPlayTable
-_0800C294: .4byte gUnknown_3000FD8
-	thumb_func_end sub_800C214
-
-	thumb_func_start sub_800C298
-sub_800C298:
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	lsls r0, 16
-	lsrs r5, r0, 16
-	ldr r0, _0800C2F0
-	mov r8, r0
-	cmp r5, r8
-	bne _0800C2FC
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r0, 24
-	mov r9, r0
-	ldr r4, _0800C2F4
-	ldr r0, _0800C2F8
-	movs r1, 0
-	mov r10, r1
-	movs r7, 0
-	adds r6, r0, 0
-	adds r6, 0x18
-	movs r5, 0x4
-_0800C2C8:
-	ldr r0, [r6]
-	bl m4aMPlayStop
-	strh r7, [r4]
-	mov r2, r8
-	strh r2, [r4, 0x2]
-	strh r7, [r4, 0x4]
-	mov r0, r10
-	strb r0, [r4, 0x6]
-	adds r6, 0xC
-	subs r5, 0x1
-	adds r4, 0x8
-	cmp r5, 0
-	bge _0800C2C8
-	mov r1, r9
-	cmp r1, 0
-	beq _0800C3DE
-	bl sub_800B5F0
-	b _0800C3DE
-	.align 2, 0
-_0800C2F0: .4byte 0x000003e5
-_0800C2F4: .4byte gUnknown_3000FE8
-_0800C2F8: .4byte gMPlayTable
-_0800C2FC:
-	adds r0, r5, 0
-	bl sub_800CAAC
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800C364
-	adds r0, r5, 0
-	bl sub_800CAE0
-	lsls r0, 16
-	lsrs r0, 16
-	ldr r2, _0800C330
-	lsls r1, r0, 1
-	adds r1, r0
-	lsls r1, 2
-	adds r1, r2
-	ldr r7, [r1]
-	lsls r2, r0, 3
-	ldr r1, _0800C334
-	adds r4, r2, r1
-	cmp r0, 0x1
-	bhi _0800C338
-	adds r0, r5, 0
-	bl nullsub_21
-	b _0800C3DE
-	.align 2, 0
-_0800C330: .4byte gMPlayTable
-_0800C334: .4byte gUnknown_3000FD8
-_0800C338:
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r6, r0, 24
-	ldrh r0, [r4, 0x2]
-	cmp r0, r5
-	bne _0800C35A
-	adds r0, r7, 0
-	bl m4aMPlayStop
-	movs r1, 0
-	movs r0, 0
-	strh r0, [r4]
-	mov r2, r8
-	strh r2, [r4, 0x2]
-	strh r0, [r4, 0x4]
-	strb r1, [r4, 0x6]
-_0800C35A:
-	cmp r6, 0
-	beq _0800C3DE
-	bl sub_800B5F0
-	b _0800C3DE
-_0800C364:
-	ldr r0, _0800C398
-	cmp r5, r0
-	bne _0800C3A8
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _0800C39C
-	ldrh r0, [r0]
-	cmp r0, 0
-	beq _0800C38C
-	ldr r1, _0800C3A0
-	ldrh r0, [r1]
-	cmp r0, r8
-	beq _0800C38C
-	mov r0, r8
-	strh r0, [r1]
-	ldr r0, _0800C3A4
-	bl m4aMPlayStop
-_0800C38C:
-	cmp r4, 0
-	beq _0800C3DE
-	bl sub_800B5F0
-	b _0800C3DE
-	.align 2, 0
-_0800C398: .4byte 0x000003e6
-_0800C39C: .4byte gUnknown_202D690
-_0800C3A0: .4byte gUnknown_202D68E
-_0800C3A4: .4byte gUnknown_2000970
-_0800C3A8:
-	adds r0, r5, 0
-	bl sub_800CACC
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800C3DE
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _0800C3EC
-	ldrh r0, [r0]
-	cmp r0, 0
-	beq _0800C3D6
-	ldr r1, _0800C3F0
-	ldrh r0, [r1]
-	cmp r0, r5
-	bne _0800C3D6
-	mov r2, r8
-	strh r2, [r1]
-	ldr r0, _0800C3F4
-	bl m4aMPlayStop
-_0800C3D6:
-	cmp r4, 0
-	beq _0800C3DE
-	bl sub_800B5F0
-_0800C3DE:
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800C3EC: .4byte gUnknown_202D690
-_0800C3F0: .4byte gUnknown_202D68E
-_0800C3F4: .4byte gUnknown_2000970
-	thumb_func_end sub_800C298
-
-	thumb_func_start sub_800C3F8
-sub_800C3F8:
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	lsls r0, 16
-	lsrs r4, r0, 16
-	lsls r1, 16
-	movs r0, 0x80
-	lsls r0, 17
-	cmp r1, r0
-	bls _0800C416
-	movs r0, 0x10
-	mov r9, r0
-	b _0800C422
-_0800C416:
-	lsrs r1, 20
-	mov r9, r1
-	cmp r1, 0
-	bne _0800C422
-	movs r1, 0x1
-	mov r9, r1
-_0800C422:
-	ldr r0, _0800C460
-	mov r8, r0
-	cmp r4, r8
-	bne _0800C496
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r0, 24
-	mov r10, r0
-	movs r7, 0x2
-	ldr r5, _0800C464
-	ldr r0, _0800C468
-	adds r6, r0, 0
-	adds r6, 0x18
-_0800C43E:
-	ldrh r0, [r5, 0x2]
-	cmp r0, r8
-	beq _0800C47E
-	lsls r0, r7, 16
-	lsrs r0, 16
-	bl sub_800CAF0
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0
-	beq _0800C46C
-	ldr r0, [r6]
-	mov r1, r9
-	bl m4aMPlayFadeOut
-	b _0800C47E
-	.align 2, 0
-_0800C460: .4byte 0x000003e5
-_0800C464: .4byte gUnknown_3000FE8
-_0800C468: .4byte gMPlayTable
-_0800C46C:
-	ldr r0, [r6]
-	bl m4aMPlayStop
-	strh r4, [r5]
-	mov r1, r8
-	strh r1, [r5, 0x2]
-	strh r4, [r5, 0x4]
-	movs r0, 0
-	strb r0, [r5, 0x6]
-_0800C47E:
-	adds r6, 0xC
-	adds r7, 0x1
-	adds r5, 0x8
-	cmp r7, 0x6
-	ble _0800C43E
-	mov r1, r10
-	cmp r1, 0
-	bne _0800C490
-	b _0800C5BE
-_0800C490:
-	bl sub_800B5F0
-	b _0800C5BE
-_0800C496:
-	adds r0, r4, 0
-	bl sub_800CAAC
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800C508
-	adds r0, r4, 0
-	bl sub_800CAE0
-	lsls r0, 16
-	lsrs r4, r0, 16
-	lsls r1, r4, 3
-	ldr r0, _0800C4E4
-	adds r5, r1, r0
-	ldr r1, _0800C4E8
-	lsls r0, r4, 1
-	adds r0, r4
-	lsls r0, 2
-	adds r0, r1
-	ldr r6, [r0]
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r7, r0, 24
-	ldrh r0, [r5, 0x2]
-	cmp r0, r8
-	beq _0800C4FE
-	adds r0, r4, 0
-	bl sub_800CAF0
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0
-	beq _0800C4EC
-	adds r0, r6, 0
-	mov r1, r9
-	bl m4aMPlayFadeOut
-	b _0800C4FE
-	.align 2, 0
-_0800C4E4: .4byte gUnknown_3000FD8
-_0800C4E8: .4byte gMPlayTable
-_0800C4EC:
-	adds r0, r6, 0
-	bl m4aMPlayStop
-	movs r0, 0
-	strh r4, [r5]
-	mov r1, r8
-	strh r1, [r5, 0x2]
-	strh r4, [r5, 0x4]
-	strb r0, [r5, 0x6]
-_0800C4FE:
-	cmp r7, 0
-	beq _0800C5BE
-	bl sub_800B5F0
-	b _0800C5BE
-_0800C508:
-	ldr r0, _0800C53C
-	cmp r4, r0
-	bne _0800C564
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r0, _0800C540
-	ldrh r0, [r0]
-	cmp r0, 0
-	beq _0800C556
-	ldr r4, _0800C544
-	ldrh r0, [r4]
-	cmp r0, r8
-	beq _0800C556
-	movs r0, 0x1
-	bl sub_800CAF0
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800C54C
-	ldr r0, _0800C548
-	mov r1, r9
-	bl m4aMPlayFadeOut
-	b _0800C556
-	.align 2, 0
-_0800C53C: .4byte 0x000003e6
-_0800C540: .4byte gUnknown_202D690
-_0800C544: .4byte gUnknown_202D68E
-_0800C548: .4byte gUnknown_2000970
-_0800C54C:
-	ldr r0, _0800C560
-	bl m4aMPlayStop
-	mov r0, r8
-	strh r0, [r4]
-_0800C556:
-	cmp r5, 0
-	beq _0800C5BE
-	bl sub_800B5F0
-	b _0800C5BE
-	.align 2, 0
-_0800C560: .4byte gUnknown_2000970
-_0800C564:
-	adds r0, r4, 0
-	bl sub_800CACC
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800C5BE
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r6, r0, 24
-	ldr r0, _0800C5A0
-	ldrh r0, [r0]
-	cmp r0, 0
-	beq _0800C5B6
-	ldr r5, _0800C5A4
-	ldrh r0, [r5]
-	cmp r0, r4
-	bne _0800C5B6
-	movs r0, 0x1
-	bl sub_800CAF0
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800C5AC
-	ldr r0, _0800C5A8
-	mov r1, r9
-	bl m4aMPlayFadeOut
-	b _0800C5B6
-	.align 2, 0
-_0800C5A0: .4byte gUnknown_202D690
-_0800C5A4: .4byte gUnknown_202D68E
-_0800C5A8: .4byte gUnknown_2000970
-_0800C5AC:
-	ldr r0, _0800C5CC
-	bl m4aMPlayStop
-	mov r1, r8
-	strh r1, [r5]
-_0800C5B6:
-	cmp r6, 0
-	beq _0800C5BE
-	bl sub_800B5F0
-_0800C5BE:
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800C5CC: .4byte gUnknown_2000970
-	thumb_func_end sub_800C3F8
-
-	thumb_func_start sub_800C5D0
-sub_800C5D0:
-	push {r4,r5,lr}
-	lsls r0, 16
-	lsrs r4, r0, 16
-	adds r5, r4, 0
-	adds r0, r4, 0
-	bl sub_800CACC
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800C600
-	ldr r0, _0800C5F8
-	ldrh r0, [r0]
-	cmp r0, 0
-	beq _0800C630
-	ldr r0, _0800C5FC
-	ldrh r0, [r0]
-	cmp r0, r4
-	bne _0800C630
-	movs r0, 0x1
-	b _0800C632
-	.align 2, 0
-_0800C5F8: .4byte gUnknown_202D690
-_0800C5FC: .4byte gUnknown_202D68E
-_0800C600:
-	adds r0, r4, 0
-	bl sub_800CAAC
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800C630
-	adds r0, r4, 0
-	bl sub_800CAE0
-	lsls r0, 16
-	lsrs r0, 16
-	lsls r2, r0, 3
-	ldr r1, _0800C62C
-	adds r2, r1
-	cmp r0, 0x1
-	bls _0800C630
-	ldrh r0, [r2, 0x2]
-	cmp r0, r5
-	bne _0800C630
-	movs r0, 0x1
-	b _0800C632
-	.align 2, 0
-_0800C62C: .4byte gUnknown_3000FD8
-_0800C630:
-	movs r0, 0
-_0800C632:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800C5D0
-
-	thumb_func_start SoundVSync
-SoundVSync:
-	push {r4,lr}
-	bl sub_800B620
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	bl m4aSoundVSync
-	cmp r4, 0
-	beq _0800C650
-	bl sub_800B5F0
-_0800C650:
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end SoundVSync
-
-	thumb_func_start nullsub_18
-nullsub_18:
-	bx lr
-	thumb_func_end nullsub_18
-
-	thumb_func_start UpdateSound
-UpdateSound:
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	bl m4aSoundMain
-	ldr r4, _0800C680
-	ldrh r0, [r4]
-	cmp r0, 0
-	bne _0800C670
-	b _0800C7E0
-_0800C670:
-	cmp r0, 0x2
-	beq _0800C6C0
-	cmp r0, 0x2
-	bgt _0800C684
-	cmp r0, 0x1
-	beq _0800C68E
-	b _0800C8A2
-	.align 2, 0
-_0800C680: .4byte gUnknown_202D690
-_0800C684:
-	cmp r0, 0x3
-	beq _0800C700
-	cmp r0, 0x4
-	beq _0800C730
-	b _0800C8A2
-_0800C68E:
-	ldr r2, _0800C69C
-	ldrh r0, [r2]
-	cmp r0, 0
-	beq _0800C6A0
-	subs r0, 0x1
-	strh r0, [r2]
-	b _0800C8A2
-	.align 2, 0
-_0800C69C: .4byte gUnknown_202D692
-_0800C6A0:
-	ldr r3, _0800C6B4
-	ldrh r1, [r3]
-	ldr r0, _0800C6B8
-	cmp r1, r0
-	bne _0800C6BC
-	movs r0, 0x4
-	strh r0, [r4]
-	movs r0, 0x20
-	strh r0, [r2]
-	b _0800C8A2
-	.align 2, 0
-_0800C6B4: .4byte gUnknown_202D68E
-_0800C6B8: .4byte 0x000003e5
-_0800C6BC:
-	ldrh r0, [r3]
-	b _0800C6E4
-_0800C6C0:
-	ldr r0, _0800C6F0
-	ldrh r1, [r0]
-	ldr r0, _0800C6F4
-	cmp r1, r0
-	beq _0800C6D8
-	movs r0, 0
-	bl sub_800CAF0
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800C6D8
-	b _0800C8A2
-_0800C6D8:
-	ldr r2, _0800C6F8
-	ldrh r1, [r2]
-	ldr r0, _0800C6FC
-	cmp r1, r0
-	beq _0800C718
-	ldrh r0, [r2]
-_0800C6E4:
-	bl m4aSongNumStart
-	movs r0, 0x3
-	strh r0, [r4]
-	b _0800C8A2
-	.align 2, 0
-_0800C6F0: .4byte gUnknown_202D68A
-_0800C6F4: .4byte 0x000003e7
-_0800C6F8: .4byte gUnknown_202D68E
-_0800C6FC: .4byte 0x000003e5
-_0800C700:
-	ldr r0, _0800C724
-	ldrh r1, [r0]
-	ldr r0, _0800C728
-	cmp r1, r0
-	beq _0800C718
-	movs r0, 0x1
-	bl sub_800CAF0
-	lsls r0, 24
-	cmp r0, 0
-	bne _0800C718
-	b _0800C8A2
-_0800C718:
-	movs r0, 0x4
-	strh r0, [r4]
-	ldr r1, _0800C72C
-	movs r0, 0x20
-	strh r0, [r1]
-	b _0800C8A2
-	.align 2, 0
-_0800C724: .4byte gUnknown_202D68E
-_0800C728: .4byte 0x000003e5
-_0800C72C: .4byte gUnknown_202D692
-_0800C730:
-	ldr r0, _0800C74C
-	ldrh r1, [r0]
-	ldr r0, _0800C750
-	cmp r1, r0
-	beq _0800C754
-	movs r0, 0x1
-	bl sub_800CAF0
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800C748
-	b _0800C8A2
-_0800C748:
-	b _0800C75A
-	.align 2, 0
-_0800C74C: .4byte gUnknown_202D68E
-_0800C750: .4byte 0x000003e5
-_0800C754:
-	ldr r0, _0800C76C
-	bl m4aMPlayStop
-_0800C75A:
-	ldr r1, _0800C770
-	ldrh r0, [r1]
-	adds r2, r0, 0
-	cmp r2, 0
-	beq _0800C774
-	subs r0, 0x1
-	strh r0, [r1]
-	b _0800C8A2
-	.align 2, 0
-_0800C76C: .4byte gUnknown_2000970
-_0800C770: .4byte gUnknown_202D692
-_0800C774:
-	ldr r3, _0800C794
-	ldrh r1, [r3]
-	ldr r0, _0800C798
-	cmp r1, r0
-	beq _0800C7B4
-	ldr r1, _0800C79C
-	movs r0, 0x1
-	strh r0, [r1]
-	ldr r0, _0800C7A0
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _0800C7A4
-	ldrh r0, [r3]
-	bl m4aSongNumStart
-	b _0800C7BE
-	.align 2, 0
-_0800C794: .4byte gUnknown_202D68A
-_0800C798: .4byte 0x000003e7
-_0800C79C: .4byte gUnknown_202D688
-_0800C7A0: .4byte gUnknown_202D694
-_0800C7A4:
-	ldr r0, _0800C7B0
-	movs r1, 0x4
-	bl m4aMPlayFadeIn
-	b _0800C7BE
-	.align 2, 0
-_0800C7B0: .4byte gUnknown_20008F0
-_0800C7B4:
-	ldr r0, _0800C7CC
-	strh r2, [r0]
-	ldr r0, _0800C7D0
-	bl m4aMPlayStop
-_0800C7BE:
-	ldr r1, _0800C7D4
-	movs r0, 0
-	strh r0, [r1]
-	ldr r1, _0800C7D8
-	ldr r2, _0800C7DC
-	b _0800C84C
-	.align 2, 0
-_0800C7CC: .4byte gUnknown_202D688
-_0800C7D0: .4byte gUnknown_20008F0
-_0800C7D4: .4byte gUnknown_202D690
-_0800C7D8: .4byte gUnknown_202D68E
-_0800C7DC: .4byte 0x000003e5
-_0800C7E0:
-	ldr r5, _0800C810
-	ldrh r0, [r5]
-	cmp r0, 0
-	beq _0800C864
-	cmp r0, 0x3
-	bgt _0800C8A2
-	cmp r0, 0x2
-	bge _0800C81C
-	cmp r0, 0x1
-	bne _0800C8A2
-	ldr r0, _0800C814
-	ldrh r1, [r0]
-	ldr r0, _0800C818
-	cmp r1, r0
-	beq _0800C80A
-	movs r0, 0
-	bl sub_800CAF0
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800C8A2
-_0800C80A:
-	movs r0, 0x2
-	strh r0, [r5]
-	b _0800C8A2
-	.align 2, 0
-_0800C810: .4byte gUnknown_202D688
-_0800C814: .4byte gUnknown_202D68A
-_0800C818: .4byte 0x000003e7
-_0800C81C:
-	ldr r0, _0800C834
-	ldrh r1, [r0]
-	ldr r0, _0800C838
-	cmp r1, r0
-	beq _0800C83C
-	movs r0, 0
-	bl sub_800CAF0
-	lsls r0, 24
-	cmp r0, 0
-	bne _0800C8A2
-	b _0800C842
-	.align 2, 0
-_0800C834: .4byte gUnknown_202D68A
-_0800C838: .4byte 0x000003e7
-_0800C83C:
-	ldr r0, _0800C854
-	bl m4aMPlayStop
-_0800C842:
-	ldr r1, _0800C858
-	movs r0, 0
-	strh r0, [r1]
-	ldr r1, _0800C85C
-	ldr r2, _0800C860
-_0800C84C:
-	adds r0, r2, 0
-	strh r0, [r1]
-	b _0800C8A2
-	.align 2, 0
-_0800C854: .4byte gUnknown_20008F0
-_0800C858: .4byte gUnknown_202D688
-_0800C85C: .4byte gUnknown_202D68A
-_0800C860: .4byte 0x000003e7
-_0800C864:
-	movs r0, 0
-	bl sub_800CAF0
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0
-	bne _0800C8A2
-	ldr r6, _0800C890
-	ldrh r2, [r6]
-	adds r1, r2, 0
-	ldr r4, _0800C894
-	cmp r1, r4
-	beq _0800C89C
-	movs r0, 0x1
-	strh r0, [r5]
-	ldr r0, _0800C898
-	strh r2, [r0]
-	adds r0, r1, 0
-	bl m4aSongNumStart
-	strh r4, [r6]
-	b _0800C8A2
-	.align 2, 0
-_0800C890: .4byte gUnknown_202D68C
-_0800C894: .4byte 0x000003e7
-_0800C898: .4byte gUnknown_202D68A
-_0800C89C:
-	strh r0, [r5]
-	ldr r0, _0800C8C4
-	strh r1, [r0]
-_0800C8A2:
-	movs r5, 0x2
-	ldr r4, _0800C8C8
-	ldr r0, _0800C8CC
-	mov r8, r0
-	movs r6, 0x18
-	movs r7, 0
-_0800C8AE:
-	ldrh r1, [r4, 0x2]
-	cmp r1, r8
-	beq _0800C926
-	ldrh r0, [r4]
-	cmp r0, 0x1
-	beq _0800C8D0
-	cmp r0, 0x1
-	ble _0800C926
-	cmp r0, 0x2
-	beq _0800C8F0
-	b _0800C926
-	.align 2, 0
-_0800C8C4: .4byte gUnknown_202D68A
-_0800C8C8: .4byte gUnknown_3000FE8
-_0800C8CC: .4byte 0x000003e5
-_0800C8D0:
-	ldr r0, _0800C8EC
-	cmp r1, r0
-	beq _0800C8E4
-	lsls r0, r5, 16
-	lsrs r0, 16
-	bl sub_800CAF0
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800C926
-_0800C8E4:
-	movs r0, 0x2
-	strh r0, [r4]
-	b _0800C926
-	.align 2, 0
-_0800C8EC: .4byte 0x000003e7
-_0800C8F0:
-	lsls r0, r5, 16
-	lsrs r0, 16
-	bl sub_800CAF0
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0
-	beq _0800C91C
-	ldrb r0, [r4, 0x6]
-	cmp r0, 0
-	beq _0800C926
-	strb r7, [r4, 0x6]
-	ldr r0, _0800C918
-	adds r0, r6, r0
-	ldr r0, [r0]
-	ldrh r2, [r4, 0x4]
-	movs r1, 0xFF
-	bl m4aMPlayVolumeControl
-	b _0800C926
-	.align 2, 0
-_0800C918: .4byte gMPlayTable
-_0800C91C:
-	strh r0, [r4]
-	mov r1, r8
-	strh r1, [r4, 0x2]
-	strh r0, [r4, 0x4]
-	strb r7, [r4, 0x6]
-_0800C926:
-	adds r6, 0xC
-	adds r5, 0x1
-	adds r4, 0x8
-	cmp r5, 0x6
-	ble _0800C8AE
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end UpdateSound
-
-	thumb_func_start sub_800C93C
-sub_800C93C:
-	push {r4,r5,lr}
-	ldr r0, _0800C984
-	movs r1, 0x10
-	bl sub_800C3F8
-	ldr r0, _0800C988
-	movs r1, 0x10
-	bl sub_800C3F8
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r0, _0800C98C
-	ldrh r3, [r0]
-	cmp r3, 0
-	bne _0800C9AC
-	ldr r0, _0800C990
-	ldrh r1, [r0]
-	ldr r0, _0800C994
-	cmp r1, r0
-	beq _0800C9AC
-	ldr r1, _0800C998
-	ldrh r2, [r1]
-	subs r0, r2, 0x1
-	lsls r0, 16
-	lsrs r0, 16
-	adds r4, r1, 0
-	cmp r0, 0x1
-	bhi _0800C9AC
-	adds r1, r2, 0
-	cmp r1, 0x2
-	bne _0800C9A0
-	ldr r0, _0800C99C
-	strb r3, [r0]
-	b _0800C9A8
-	.align 2, 0
-_0800C984: .4byte 0x000003e5
-_0800C988: .4byte 0x000003e6
-_0800C98C: .4byte gUnknown_202D690
-_0800C990: .4byte gUnknown_202D68A
-_0800C994: .4byte 0x000003e7
-_0800C998: .4byte gUnknown_202D688
-_0800C99C: .4byte gUnknown_202D694
-_0800C9A0:
-	cmp r1, 0x1
-	bne _0800C9A8
-	ldr r0, _0800C9C4
-	strb r1, [r0]
-_0800C9A8:
-	movs r0, 0x4
-	strh r0, [r4]
-_0800C9AC:
-	ldr r0, _0800C9C8
-	bl m4aMPlayStop
-	bl m4aSoundVSyncOff
-	cmp r5, 0
-	beq _0800C9BE
-	bl sub_800B5F0
-_0800C9BE:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800C9C4: .4byte gUnknown_202D694
-_0800C9C8: .4byte gUnknown_20008F0
-	thumb_func_end sub_800C93C
-
-	thumb_func_start sub_800C9CC
-sub_800C9CC:
-	push {r4,lr}
-	bl sub_800B620
-	lsls r0, 24
-	lsrs r4, r0, 24
-	bl m4aSoundVSyncOn
-	ldr r0, _0800CA08
-	ldrh r0, [r0]
-	cmp r0, 0
-	bne _0800CA22
-	ldr r2, _0800CA0C
-	ldrh r1, [r2]
-	ldr r0, _0800CA10
-	cmp r1, r0
-	beq _0800CA22
-	ldr r1, _0800CA14
-	ldrh r0, [r1]
-	cmp r0, 0x4
-	bne _0800CA22
-	movs r0, 0x1
-	strh r0, [r1]
-	ldr r0, _0800CA18
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _0800CA1C
-	ldrh r0, [r2]
-	bl m4aSongNumStart
-	b _0800CA22
-	.align 2, 0
-_0800CA08: .4byte gUnknown_202D690
-_0800CA0C: .4byte gUnknown_202D68A
-_0800CA10: .4byte 0x000003e7
-_0800CA14: .4byte gUnknown_202D688
-_0800CA18: .4byte gUnknown_202D694
-_0800CA1C:
-	ldr r0, _0800CA30
-	bl m4aMPlayContinue
-_0800CA22:
-	cmp r4, 0
-	beq _0800CA2A
-	bl sub_800B5F0
-_0800CA2A:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800CA30: .4byte gUnknown_20008F0
-	thumb_func_end sub_800C9CC
-
-	thumb_func_start nullsub_179
-nullsub_179:
-	bx lr
-	thumb_func_end nullsub_179
-
-	thumb_func_start sub_800CA38
-sub_800CA38:
-	push {r4,lr}
-	adds r4, r0, 0
-	bl sub_800CA9C
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800CA54
-	lsls r0, r4, 16
-	lsrs r0, 16
-	bl sub_800CAE0
-	lsls r0, 16
-	cmp r0, 0
-	beq _0800CA70
-_0800CA54:
-	adds r0, r4, 0
-	bl sub_800CACC
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800CA74
-	lsls r0, r4, 16
-	lsrs r0, 16
-	bl sub_800CAE0
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bne _0800CA90
-_0800CA70:
-	movs r0, 0x1
-	b _0800CA92
-_0800CA74:
-	adds r0, r4, 0
-	bl sub_800CAAC
-	lsls r0, 24
-	cmp r0, 0
-	beq _0800CA90
-	lsls r0, r4, 16
-	lsrs r0, 16
-	bl sub_800CAE0
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bhi _0800CA70
-_0800CA90:
-	movs r0, 0
-_0800CA92:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800CA38
-
-	thumb_func_start nullsub_19
-nullsub_19:
-	bx lr
-	thumb_func_end nullsub_19
-
-	thumb_func_start sub_800CA9C
-sub_800CA9C:
-	push {lr}
-	cmp r0, 0x80
-	bls _0800CAA6
-	movs r0, 0
-	b _0800CAA8
-_0800CAA6:
-	movs r0, 0x1
-_0800CAA8:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800CA9C
-
-	thumb_func_start sub_800CAAC
-sub_800CAAC:
-	push {lr}
-	ldr r1, _0800CABC
-	adds r0, r1
-	ldr r1, _0800CAC0
-	cmp r0, r1
-	bls _0800CAC4
-	movs r0, 0
-	b _0800CAC6
-	.align 2, 0
-_0800CABC: .4byte 0xfffffed4
-_0800CAC0: .4byte 0x0000027f
-_0800CAC4:
-	movs r0, 0x1
-_0800CAC6:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800CAAC
-
-	thumb_func_start sub_800CACC
-sub_800CACC:
-	push {lr}
-	subs r0, 0xC8
-	cmp r0, 0x13
-	bls _0800CAD8
-	movs r0, 0
-	b _0800CADA
-_0800CAD8:
-	movs r0, 0x1
-_0800CADA:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800CACC
-
-	thumb_func_start sub_800CAE0
-sub_800CAE0:
-	lsls r0, 16
-	ldr r1, _0800CAEC
-	lsrs r0, 13
-	adds r0, r1
-	ldrh r0, [r0, 0x4]
-	bx lr
-	.align 2, 0
-_0800CAEC: .4byte gSongTable
-	thumb_func_end sub_800CAE0
-
-	thumb_func_start sub_800CAF0
-sub_800CAF0:
-	push {lr}
-	lsls r0, 16
-	lsrs r0, 16
-	ldr r2, _0800CB0C
-	lsls r1, r0, 1
-	adds r1, r0
-	lsls r1, 2
-	adds r1, r2
-	ldr r0, [r1]
-	ldrh r0, [r0, 0x4]
-	cmp r0, 0
-	beq _0800CB10
-	movs r0, 0x1
-	b _0800CB12
-	.align 2, 0
-_0800CB0C: .4byte gMPlayTable
-_0800CB10:
-	movs r0, 0
-_0800CB12:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800CAF0
-
-	thumb_func_start nullsub_20
-nullsub_20:
-	bx lr
-	thumb_func_end nullsub_20
-
-	thumb_func_start nullsub_21
-nullsub_21:
-	bx lr
-	thumb_func_end nullsub_21
-
-	thumb_func_start sub_800CB20
-sub_800CB20:
-	push {lr}
-	bl sub_800BA5C
-	ldr r1, _0800CB48
-	ldr r0, [r1]
-	adds r0, 0x1
-	str r0, [r1]
-	ldr r0, _0800CB4C
-	ldrh r1, [r0]
-	movs r0, 0x5
-	ands r0, r1
-	cmp r0, 0
-	beq _0800CB3E
-	bl Random
-_0800CB3E:
-	bl Random
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800CB48: .4byte gUnknown_203B0B8
-_0800CB4C: .4byte gUnknown_203B0BC
-	thumb_func_end sub_800CB20
-
-	thumb_func_start sub_800CB50
-sub_800CB50:
-	ldr r0, _0800CB58
-	ldr r0, [r0]
-	bx lr
-	.align 2, 0
-_0800CB58: .4byte gUnknown_203B0B8
-	thumb_func_end sub_800CB50
-
-	thumb_func_start nullsub_180
-nullsub_180:
-	bx lr
-	thumb_func_end nullsub_180
-
-	thumb_func_start xxx_call_update_bg_sound_input
-xxx_call_update_bg_sound_input:
-	push {lr}
-	bl xxx_update_bg_sound_input
-	pop {r0}
-	bx r0
-	thumb_func_end xxx_call_update_bg_sound_input
-
-	thumb_func_start nullsub_181
-nullsub_181:
-	bx lr
-	thumb_func_end nullsub_181
-
-	thumb_func_start sub_800CB70
-sub_800CB70:
-	movs r0, 0
-	bx lr
-	thumb_func_end sub_800CB70
-
-	thumb_func_start ReadKeyInput
-ReadKeyInput:
-	push {r4,lr}
-	adds r2, r0, 0
-	ldr r0, _0800CC38
-	ldrh r1, [r0]
-	ldr r3, _0800CC3C
-	adds r0, r3, 0
-	adds r3, r0, 0
-	eors r3, r1
-	movs r0, 0
-	strh r0, [r2]
-	movs r1, 0x40
-	adds r0, r3, 0
-	ands r0, r1
-	cmp r0, 0
-	beq _0800CB94
-	strh r1, [r2]
-_0800CB94:
-	movs r0, 0x80
-	ands r0, r3
-	cmp r0, 0
-	beq _0800CBA4
-	ldrh r0, [r2]
-	movs r1, 0x80
-	orrs r0, r1
-	strh r0, [r2]
-_0800CBA4:
-	movs r0, 0x20
-	ands r0, r3
-	cmp r0, 0
-	beq _0800CBB4
-	ldrh r0, [r2]
-	movs r1, 0x20
-	orrs r0, r1
-	strh r0, [r2]
-_0800CBB4:
-	movs r0, 0x10
-	ands r0, r3
-	cmp r0, 0
-	beq _0800CBC4
-	ldrh r0, [r2]
-	movs r1, 0x10
-	orrs r0, r1
-	strh r0, [r2]
-_0800CBC4:
-	movs r0, 0x1
-	ands r0, r3
-	cmp r0, 0
-	beq _0800CBD4
-	ldrh r0, [r2]
-	movs r1, 0x1
-	orrs r0, r1
-	strh r0, [r2]
-_0800CBD4:
-	movs r0, 0x2
-	ands r0, r3
-	cmp r0, 0
-	beq _0800CBE4
-	ldrh r0, [r2]
-	movs r1, 0x2
-	orrs r0, r1
-	strh r0, [r2]
-_0800CBE4:
-	movs r0, 0x8
-	ands r0, r3
-	cmp r0, 0
-	beq _0800CBF4
-	ldrh r0, [r2]
-	movs r1, 0x8
-	orrs r0, r1
-	strh r0, [r2]
-_0800CBF4:
-	movs r0, 0x4
-	ands r0, r3
-	cmp r0, 0
-	beq _0800CC04
-	ldrh r0, [r2]
-	movs r1, 0x4
-	orrs r0, r1
-	strh r0, [r2]
-_0800CC04:
-	movs r4, 0x80
-	lsls r4, 1
-	adds r0, r3, 0
-	ands r0, r4
-	cmp r0, 0
-	beq _0800CC18
-	ldrh r1, [r2]
-	adds r0, r4, 0
-	orrs r0, r1
-	strh r0, [r2]
-_0800CC18:
-	movs r4, 0x80
-	lsls r4, 2
-	adds r0, r3, 0
-	ands r0, r4
-	cmp r0, 0
-	beq _0800CC2C
-	ldrh r1, [r2]
-	adds r0, r4, 0
-	orrs r0, r1
-	strh r0, [r2]
-_0800CC2C:
-	ldr r0, _0800CC40
-	strh r3, [r0]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800CC38: .4byte 0x04000130
-_0800CC3C: .4byte 0x000003ff
-_0800CC40: .4byte gUnknown_203B0BC
-	thumb_func_end ReadKeyInput
-
-	thumb_func_start sub_800CC44
-sub_800CC44:
-	push {lr}
-	adds r2, r1, 0
-	cmp r0, 0
-	bge _0800CC50
-	movs r0, 0
-	b _0800CC56
-_0800CC50:
-	cmp r0, 0x10
-	ble _0800CC56
-	movs r0, 0x10
-_0800CC56:
-	cmp r2, 0
-	bge _0800CC5E
-	movs r2, 0
-	b _0800CC64
-_0800CC5E:
-	cmp r2, 0x10
-	ble _0800CC64
-	movs r2, 0x10
-_0800CC64:
-	ldr r1, _0800CC7C
-	strb r0, [r1]
-	ldr r0, _0800CC80
-	strb r2, [r0]
-	ldr r2, _0800CC84
-	ldrb r1, [r1]
-	ldrb r0, [r0]
-	lsls r0, 8
-	orrs r1, r0
-	strh r1, [r2]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800CC7C: .4byte gUnknown_202D6B8
-_0800CC80: .4byte gUnknown_202D6B9
-_0800CC84: .4byte gUnknown_202D7FA
-	thumb_func_end sub_800CC44
-
-	thumb_func_start sub_800CC88
-sub_800CC88:
-	ldr r2, _0800CC90
-	strh r0, [r2, 0x4]
-	strh r1, [r2, 0x6]
-	bx lr
-	.align 2, 0
-_0800CC90: .4byte gUnknown_202D698
-	thumb_func_end sub_800CC88
-
-	thumb_func_start sub_800CC94
-sub_800CC94:
-	ldr r2, _0800CC9C
-	strh r0, [r2, 0x4]
-	strh r1, [r2, 0x6]
-	bx lr
-	.align 2, 0
-_0800CC9C: .4byte gUnknown_202D6A0
-	thumb_func_end sub_800CC94
-
-	thumb_func_start sub_800CCA0
-sub_800CCA0:
-	ldr r2, _0800CCA8
-	strh r0, [r2, 0x4]
-	strh r1, [r2, 0x6]
-	bx lr
-	.align 2, 0
-_0800CCA8: .4byte gUnknown_202D6A8
-	thumb_func_end sub_800CCA0
-
-	thumb_func_start sub_800CCAC
-sub_800CCAC:
-	ldr r2, _0800CCB4
-	strh r0, [r2, 0x4]
-	strh r1, [r2, 0x6]
-	bx lr
-	.align 2, 0
-_0800CCB4: .4byte gUnknown_202D6B0
-	thumb_func_end sub_800CCAC
-
-	thumb_func_start sub_800CCB8
-sub_800CCB8:
-	push {lr}
-	cmp r0, 0x1
-	beq _0800CCD4
-	cmp r0, 0x1
-	ble _0800CCCA
-	cmp r0, 0x2
-	beq _0800CCDE
-	cmp r0, 0x3
-	beq _0800CCE8
-_0800CCCA:
-	adds r0, r1, 0
-	adds r1, r2, 0
-	bl sub_800CC88
-	b _0800CCF0
-_0800CCD4:
-	adds r0, r1, 0
-	adds r1, r2, 0
-	bl sub_800CC94
-	b _0800CCF0
-_0800CCDE:
-	adds r0, r1, 0
-	adds r1, r2, 0
-	bl sub_800CCA0
-	b _0800CCF0
-_0800CCE8:
-	adds r0, r1, 0
-	adds r1, r2, 0
-	bl sub_800CCAC
-_0800CCF0:
-	pop {r0}
-	bx r0
-	thumb_func_end sub_800CCB8
-
-	thumb_func_start sub_800CCF4
-sub_800CCF4:
-	push {lr}
-	cmp r0, 0x1
-	beq _0800CD10
-	cmp r0, 0x1
-	ble _0800CD06
-	cmp r0, 0x2
-	beq _0800CD18
-	cmp r0, 0x3
-	beq _0800CD20
-_0800CD06:
-	ldr r0, _0800CD0C
-	b _0800CD22
-	.align 2, 0
-_0800CD0C: .4byte gUnknown_202D698
-_0800CD10:
-	ldr r0, _0800CD14
-	b _0800CD22
-	.align 2, 0
-_0800CD14: .4byte gUnknown_202D6A0
-_0800CD18:
-	ldr r0, _0800CD1C
-	b _0800CD22
-	.align 2, 0
-_0800CD1C: .4byte gUnknown_202D6A8
-_0800CD20:
-	ldr r0, _0800CD28
-_0800CD22:
-	strh r1, [r0, 0x4]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800CD28: .4byte gUnknown_202D6B0
-	thumb_func_end sub_800CCF4
-
-	thumb_func_start sub_800CD2C
-sub_800CD2C:
-	push {lr}
-	cmp r0, 0x1
-	beq _0800CD48
-	cmp r0, 0x1
-	ble _0800CD3E
-	cmp r0, 0x2
-	beq _0800CD50
-	cmp r0, 0x3
-	beq _0800CD58
-_0800CD3E:
-	ldr r0, _0800CD44
-	b _0800CD5A
-	.align 2, 0
-_0800CD44: .4byte gUnknown_202D698
-_0800CD48:
-	ldr r0, _0800CD4C
-	b _0800CD5A
-	.align 2, 0
-_0800CD4C: .4byte gUnknown_202D6A0
-_0800CD50:
-	ldr r0, _0800CD54
-	b _0800CD5A
-	.align 2, 0
-_0800CD54: .4byte gUnknown_202D6A8
-_0800CD58:
-	ldr r0, _0800CD60
-_0800CD5A:
-	strh r1, [r0, 0x6]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800CD60: .4byte gUnknown_202D6B0
-	thumb_func_end sub_800CD2C
-
-	thumb_func_start sub_800CD64
-sub_800CD64:
-	ldr r2, _0800CD7C
-	strb r1, [r2]
-	ldr r2, _0800CD80
-	negs r1, r0
-	orrs r1, r0
-	asrs r1, 31
-	movs r3, 0x80
-	lsls r3, 8
-	adds r0, r3, 0
-	ands r1, r0
-	strh r1, [r2, 0x2]
-	bx lr
-	.align 2, 0
-_0800CD7C: .4byte gUnknown_202D7FE
-_0800CD80: .4byte gUnknown_202D6A8
-	thumb_func_end sub_800CD64
-
-	thumb_func_start SetBGOBJEnableFlags
-SetBGOBJEnableFlags:
-	push {r4,lr}
-	movs r3, 0x80
-	lsls r3, 19
-	ldrh r1, [r3]
-	ldr r2, _0800CDA4
-	ands r2, r1
-	lsls r0, 8
-	movs r4, 0xF8
-	lsls r4, 5
-	adds r1, r4, 0
-	bics r1, r0
-	orrs r2, r1
-	strh r2, [r3]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800CDA4: .4byte 0x0000e0ff
-	thumb_func_end SetBGOBJEnableFlags
-
-	thumb_func_start sub_800CDA8
-sub_800CDA8:
-	ldr r1, _0800CDBC
-	str r0, [r1]
-	ldr r2, _0800CDC0
-	ldr r1, _0800CDC4
-	lsls r0, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	strh r0, [r2]
-	bx lr
-	.align 2, 0
-_0800CDBC: .4byte gUnknown_202D800
-_0800CDC0: .4byte gUnknown_202D7FC
-_0800CDC4: .4byte gUnknown_203B0BE
-	thumb_func_end sub_800CDA8
-
-	thumb_func_start sub_800CDC8
-sub_800CDC8:
-	ldr r0, _0800CDD0
-	ldr r0, [r0]
-	bx lr
-	.align 2, 0
-_0800CDD0: .4byte gUnknown_202D800
-	thumb_func_end sub_800CDC8
-
-	thumb_func_start SetWindowTitle
-SetWindowTitle:
-	bx lr
-	thumb_func_end SetWindowTitle
-
-	thumb_func_start nullsub_23
-nullsub_23:
-	bx lr
-	thumb_func_end nullsub_23
-
-	thumb_func_start nullsub_182
-nullsub_182:
-	bx lr
-	thumb_func_end nullsub_182
-
-	thumb_func_start sub_800CDE0
-sub_800CDE0:
-	movs r0, 0x1
-	bx lr
-	thumb_func_end sub_800CDE0
-
-	thumb_func_start CpuCopy
-CpuCopy:
-	push {lr}
-	adds r3, r0, 0
-	cmp r2, 0
-	bge _0800CDEE
-	adds r2, 0x3
-_0800CDEE:
-	lsls r2, 9
-	lsrs r2, 11
-	movs r0, 0x80
-	lsls r0, 19
-	orrs r2, r0
-	adds r0, r1, 0
-	adds r1, r3, 0
-	bl CpuSet
-	pop {r0}
-	bx r0
-	thumb_func_end CpuCopy
-
-	thumb_func_start CpuClear
-CpuClear:
-	push {lr}
-	sub sp, 0x4
-	adds r3, r0, 0
-	movs r0, 0
-	str r0, [sp]
-	cmp r1, 0
-	bge _0800CE14
-	adds r1, 0x3
-_0800CE14:
-	lsls r2, r1, 9
-	lsrs r2, 11
-	movs r0, 0xA0
-	lsls r0, 19
-	orrs r2, r0
-	mov r0, sp
-	adds r1, r3, 0
-	bl CpuSet
-	add sp, 0x4
-	pop {r0}
-	bx r0
-	thumb_func_end CpuClear
-
-	thumb_func_start CpuFill
-CpuFill:
-	push {lr}
-	sub sp, 0x4
-	adds r3, r0, 0
-	str r1, [sp]
-	cmp r2, 0
-	bge _0800CE3A
-	adds r2, 0x3
-_0800CE3A:
-	lsls r2, 9
-	lsrs r2, 11
-	movs r0, 0xA0
-	lsls r0, 19
-	orrs r2, r0
-	mov r0, sp
-	adds r1, r3, 0
-	bl CpuSet
-	add sp, 0x4
-	pop {r0}
-	bx r0
-	thumb_func_end CpuFill
-
-	thumb_func_start sub_800CE54
-sub_800CE54:
-	push {lr}
-	ldr r2, _0800CEC0
-	ldrh r0, [r2]
-	movs r3, 0x80
-	lsls r3, 8
-	adds r1, r3, 0
-	orrs r0, r1
-	ldr r1, _0800CEC4
-	ands r0, r1
-	strh r0, [r2]
-	mov r8, r8
-	mov r8, r8
-	mov r8, r8
-	mov r8, r8
-	ldr r1, _0800CEC8
-	ands r0, r1
-	strh r0, [r2]
-	ldr r1, _0800CECC
-	ldr r2, _0800CED0
-	adds r0, r2, 0
-	strh r0, [r1]
-	adds r1, 0x2
-	movs r0, 0x3D
-	strh r0, [r1]
-	adds r1, 0x6
-	ldr r0, _0800CED4
-	ldrh r0, [r0]
-	strh r0, [r1]
-	adds r1, 0x2
-	ldr r0, _0800CED8
-	ldrh r0, [r0]
-	strh r0, [r1]
-	ldr r0, _0800CEDC
-	ldrb r1, [r0]
-	cmp r1, 0
-	beq _0800CEF4
-	ldr r1, _0800CEE0
-	ldr r0, _0800CEE4
-	ldr r2, [r0]
-	adds r0, r2, 0x4
-	str r0, [r1]
-	ldr r3, _0800CEE8
-	str r3, [r1, 0x4]
-	ldr r0, _0800CEEC
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	ldrh r0, [r2]
-	strh r0, [r3]
-	subs r1, 0x6E
-	ldrh r0, [r2, 0x2]
-	strh r0, [r1]
-	ldr r0, _0800CEF0
-	movs r1, 0xA0
-	b _0800CEFE
-	.align 2, 0
-_0800CEC0: .4byte 0x040000ba
-_0800CEC4: .4byte 0x0000cdff
-_0800CEC8: .4byte 0x00007fff
-_0800CECC: .4byte 0x04000048
-_0800CED0: .4byte 0x00003f3f
-_0800CED4: .4byte gUnknown_202D7FC
-_0800CED8: .4byte gUnknown_202D7FA
-_0800CEDC: .4byte gUnknown_2026E38
-_0800CEE0: .4byte 0x040000b0
-_0800CEE4: .4byte gUnknown_2026E3C
-_0800CEE8: .4byte 0x04000040
-_0800CEEC: .4byte 0xa2600002
-_0800CEF0: .4byte 0x04000044
-_0800CEF4:
-	ldr r0, _0800CF08
-	strh r1, [r0]
-	adds r0, 0x2
-	strh r1, [r0]
-	adds r0, 0x2
-_0800CEFE:
-	strh r1, [r0]
-	adds r0, 0x2
-	strh r1, [r0]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800CF08: .4byte 0x04000040
-	thumb_func_end sub_800CE54
 
 	.align 2, 0 @ Don't pad with nop.
diff --git a/asm/code_800B5F0.s b/asm/code_800B5F0.s
new file mode 100644
index 0000000..937c774
--- /dev/null
+++ b/asm/code_800B5F0.s
@@ -0,0 +1,3216 @@
+	.include "constants/gba_constants.inc"
+	.include "asm/macros.inc"
+
+	.syntax unified
+
+	.text
+
+	thumb_func_start sub_800B6B0
+sub_800B6B0:
+	push {r4,lr}
+	ldr r1, _0800B6D0
+	ldr r2, _0800B6D4
+	bl CpuSet
+	ldr r0, _0800B6D8
+	ldr r4, _0800B6DC
+	ldr r2, _0800B6E0
+	adds r1, r4, 0
+	bl CpuSet
+	ldr r0, _0800B6E4
+	str r4, [r0]
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800B6D0: .4byte gIntrTable
+_0800B6D4: .4byte 0x04000006
+_0800B6D8: .4byte IntrMain
+_0800B6DC: .4byte gUnknown_202D4B8
+_0800B6E0: .4byte 0x04000048
+_0800B6E4: .4byte INTR_VECTOR
+	thumb_func_end sub_800B6B0
+
+	thumb_func_start sub_800B6E8
+sub_800B6E8:
+	lsls r0, 2
+	ldr r1, _0800B6F0
+	adds r0, r1
+	bx lr
+	.align 2, 0
+_0800B6F0: .4byte gIntrTable
+	thumb_func_end sub_800B6E8
+
+	thumb_func_start sub_800B6F4
+sub_800B6F4:
+	push {r4-r6,lr}
+	adds r4, r0, 0
+	adds r5, r1, 0
+	bl sub_800B620
+	lsls r0, 24
+	ldr r1, _0800B71C
+	lsls r4, 2
+	adds r4, r1
+	ldr r6, [r4]
+	str r5, [r4]
+	cmp r0, 0
+	beq _0800B712
+	bl sub_800B5F0
+_0800B712:
+	adds r0, r6, 0
+	pop {r4-r6}
+	pop {r1}
+	bx r1
+	.align 2, 0
+_0800B71C: .4byte gUnknown_202D5F0
+	thumb_func_end sub_800B6F4
+
+	thumb_func_start sub_800B720
+sub_800B720:
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	sub sp, 0x14
+	str r1, [sp]
+	lsls r0, 16
+	asrs r0, 16
+	str r0, [sp, 0xC]
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r0, 24
+	str r0, [sp, 0x4]
+	ldr r0, _0800B780
+	mov r8, r0
+	ldr r1, _0800B784
+	mov r10, r1
+	ldr r2, _0800B788
+	mov r9, r2
+	ldr r5, _0800B78C
+	mov r12, r5
+_0800B74E:
+	movs r7, 0
+	str r7, [sp, 0x10]
+	movs r4, 0
+	ldr r3, _0800B784
+	mov r1, r8
+	movs r2, 0
+	ldrsh r0, [r1, r2]
+	ldr r6, _0800B78C
+	ldr r5, [sp, 0xC]
+	lsls r5, 16
+	str r5, [sp, 0x8]
+	cmp r4, r0
+	bge _0800B7BA
+	movs r7, 0
+	ldrsh r1, [r3, r7]
+	ldrh r2, [r6]
+	movs r5, 0
+	ldrsh r0, [r6, r5]
+	cmp r1, r0
+	bne _0800B790
+	adds r0, r2, 0x1
+	mov r7, r9
+	ands r0, r7
+	strh r0, [r6]
+	b _0800B74E
+	.align 2, 0
+_0800B780: .4byte gUnknown_203B0AA
+_0800B784: .4byte gUnknown_202D608
+_0800B788: .4byte 0x00007fff
+_0800B78C: .4byte gUnknown_203B0A8
+_0800B790:
+	adds r4, 0x1
+	adds r3, 0x8
+	mov r1, r8
+	movs r2, 0
+	ldrsh r0, [r1, r2]
+	cmp r4, r0
+	bge _0800B7BA
+	movs r5, 0
+	ldrsh r1, [r3, r5]
+	mov r7, r12
+	ldrh r2, [r7]
+	movs r5, 0
+	ldrsh r0, [r7, r5]
+	cmp r1, r0
+	bne _0800B790
+	adds r0, r2, 0x1
+	mov r7, r9
+	ands r0, r7
+	strh r0, [r6]
+	movs r0, 0x1
+	str r0, [sp, 0x10]
+_0800B7BA:
+	ldr r1, [sp, 0x10]
+	cmp r1, 0
+	bne _0800B74E
+	movs r4, 0
+	mov r3, r10
+	ldr r2, _0800B84C
+	movs r5, 0
+	ldrsh r1, [r2, r5]
+	cmp r4, r1
+	bge _0800B7EA
+	movs r7, 0x2
+	ldrsh r0, [r3, r7]
+	ldr r2, [sp, 0xC]
+	cmp r0, r2
+	bgt _0800B7EA
+_0800B7D8:
+	adds r4, 0x1
+	adds r3, 0x8
+	cmp r4, r1
+	bge _0800B7EA
+	movs r5, 0x2
+	ldrsh r0, [r3, r5]
+	ldr r7, [sp, 0xC]
+	cmp r0, r7
+	ble _0800B7D8
+_0800B7EA:
+	ldr r1, _0800B84C
+	movs r2, 0
+	ldrsh r0, [r1, r2]
+	subs r2, r0, 0x1
+	lsls r0, r2, 3
+	mov r5, r10
+	adds r3, r0, r5
+	lsls r5, r4, 3
+	cmp r2, r4
+	blt _0800B80E
+_0800B7FE:
+	ldr r0, [r3]
+	ldr r1, [r3, 0x4]
+	str r0, [r3, 0x8]
+	str r1, [r3, 0xC]
+	subs r2, 0x1
+	subs r3, 0x8
+	cmp r2, r4
+	bge _0800B7FE
+_0800B80E:
+	ldr r7, _0800B84C
+	ldrh r0, [r7]
+	adds r0, 0x1
+	strh r0, [r7]
+	mov r0, r10
+	adds r1, r5, r0
+	ldrh r0, [r6]
+	strh r0, [r1]
+	ldr r2, [sp, 0x8]
+	lsrs r0, r2, 16
+	strh r0, [r1, 0x2]
+	mov r0, r10
+	adds r0, 0x4
+	adds r0, r5, r0
+	ldr r5, [sp]
+	str r5, [r0]
+	ldr r7, [sp, 0x4]
+	cmp r7, 0
+	beq _0800B838
+	bl sub_800B5F0
+_0800B838:
+	movs r1, 0
+	ldrsh r0, [r6, r1]
+	add sp, 0x14
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	.align 2, 0
+_0800B84C: .4byte gUnknown_203B0AA
+	thumb_func_end sub_800B720
+
+	thumb_func_start sub_800B850
+sub_800B850:
+	push {r4-r7,lr}
+	lsls r0, 16
+	asrs r6, r0, 16
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r5, r0, 24
+	movs r2, 0
+	ldr r4, _0800B8A0
+	ldr r3, _0800B8A4
+	movs r1, 0
+	ldrsh r0, [r3, r1]
+	cmp r2, r0
+	bge _0800B8B4
+	adds r1, r3, 0
+_0800B86E:
+	movs r7, 0
+	ldrsh r0, [r4, r7]
+	cmp r0, r6
+	bne _0800B8A8
+	ldrh r0, [r1]
+	subs r0, 0x1
+	strh r0, [r1]
+	movs r3, 0
+	ldrsh r0, [r1, r3]
+	cmp r2, r0
+	bge _0800B896
+	ldr r3, _0800B8A4
+_0800B886:
+	ldr r0, [r4, 0x8]
+	ldr r1, [r4, 0xC]
+	stm r4!, {r0,r1}
+	adds r2, 0x1
+	movs r7, 0
+	ldrsh r0, [r3, r7]
+	cmp r2, r0
+	blt _0800B886
+_0800B896:
+	cmp r5, 0
+	beq _0800B8BC
+	bl sub_800B5F0
+	b _0800B8BC
+	.align 2, 0
+_0800B8A0: .4byte gUnknown_202D608
+_0800B8A4: .4byte gUnknown_203B0AA
+_0800B8A8:
+	adds r2, 0x1
+	adds r4, 0x8
+	movs r7, 0
+	ldrsh r0, [r3, r7]
+	cmp r2, r0
+	blt _0800B86E
+_0800B8B4:
+	cmp r5, 0
+	beq _0800B8BC
+	bl sub_800B5F0
+_0800B8BC:
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	thumb_func_end sub_800B850
+
+	thumb_func_start nullsub_177
+nullsub_177:
+	bx lr
+	thumb_func_end nullsub_177
+
+	thumb_func_start VBlankIntr
+VBlankIntr:
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	ldr r0, _0800B95C
+	ldr r1, [r0]
+	adds r1, 0x1
+	str r1, [r0]
+	bl SoundVSync
+	bl BlinkSavingIcon
+	ldr r0, _0800B960
+	ldr r0, [r0, 0x4]
+	cmp r0, 0
+	beq _0800B8EE
+	bl _call_via_r0
+_0800B8EE:
+	movs r2, 0
+	ldr r3, _0800B964
+	movs r1, 0
+	ldrsh r0, [r3, r1]
+	adds r6, r3, 0
+	ldr r7, _0800B968
+	ldr r1, _0800B96C
+	mov r12, r1
+	ldr r1, _0800B970
+	mov r8, r1
+	ldr r1, _0800B974
+	mov r9, r1
+	ldr r1, _0800B978
+	mov r10, r1
+	cmp r2, r0
+	bge _0800B920
+	ldr r5, _0800B97C
+	ldr r4, _0800B980
+_0800B912:
+	ldm r5!, {r0,r1}
+	stm r4!, {r0,r1}
+	adds r2, 0x1
+	movs r1, 0
+	ldrsh r0, [r3, r1]
+	cmp r2, r0
+	blt _0800B912
+_0800B920:
+	ldrh r0, [r6]
+	strh r0, [r7]
+	movs r1, 0x1
+	negs r1, r1
+	adds r0, r1, 0
+	mov r1, r12
+	strh r0, [r1]
+	mov r1, r8
+	strh r0, [r1]
+	mov r1, r9
+	strh r0, [r1]
+	ldr r1, _0800B984
+	movs r0, 0x28
+	strh r0, [r1]
+	mov r1, r10
+	ldrb r0, [r1]
+	cmp r0, 0
+	bne _0800B948
+	bl UpdateSound
+_0800B948:
+	movs r0, 0x1
+	bl sub_800B67C
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800B95C: .4byte gUnknown_203B0A0
+_0800B960: .4byte gUnknown_202D5F0
+_0800B964: .4byte gUnknown_203B0AA
+_0800B968: .4byte gUnknown_203B0AC
+_0800B96C: .4byte gUnknown_203B0AE
+_0800B970: .4byte gUnknown_203B0B0
+_0800B974: .4byte gUnknown_203B0B2
+_0800B978: .4byte gUnknown_203B099
+_0800B97C: .4byte gUnknown_202D608
+_0800B980: .4byte gUnknown_202D648
+_0800B984: .4byte 0x04000004
+	thumb_func_end VBlankIntr
+
+	thumb_func_start VCountIntr
+VCountIntr:
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	ldr r0, _0800BA44
+	ldrh r0, [r0]
+	lsls r0, 16
+	asrs r6, r0, 16
+	ldr r0, _0800BA48
+	movs r2, 0
+	ldrsh r1, [r0, r2]
+	adds r7, r0, 0
+	cmp r1, 0
+	bge _0800B9B2
+	ldr r0, _0800BA4C
+	ldr r0, [r0, 0x8]
+	cmp r0, 0
+	beq _0800B9AE
+	bl _call_via_r0
+_0800B9AE:
+	movs r0, 0
+	strh r0, [r7]
+_0800B9B2:
+	ldr r0, _0800BA50
+	movs r3, 0
+	ldrsh r2, [r7, r3]
+	movs r3, 0
+	ldrsh r1, [r0, r3]
+	mov r8, r0
+	cmp r2, r1
+	bge _0800BA34
+	ldr r1, _0800BA54
+	adds r0, r2, 0
+	lsls r0, 3
+	adds r0, r1
+	movs r3, 0x2
+	ldrsh r0, [r0, r3]
+	cmp r0, r6
+	bgt _0800BA10
+	adds r5, r1, 0
+	adds r4, r7, 0
+_0800B9D6:
+	movs r1, 0
+	ldrsh r0, [r4, r1]
+	lsls r0, 3
+	adds r1, r5, 0x4
+	adds r0, r1
+	ldr r0, [r0]
+	cmp r0, 0
+	beq _0800B9EA
+	bl _call_via_r0
+_0800B9EA:
+	ldrh r0, [r4]
+	adds r0, 0x1
+	strh r0, [r4]
+	ldr r1, _0800BA50
+	lsls r0, 16
+	asrs r0, 16
+	movs r2, 0
+	ldrsh r1, [r1, r2]
+	cmp r0, r1
+	bge _0800BA34
+	movs r3, 0
+	ldrsh r0, [r4, r3]
+	lsls r0, 3
+	adds r0, r5
+	movs r1, 0x2
+	ldrsh r0, [r0, r1]
+	ldr r7, _0800BA48
+	cmp r0, r6
+	ble _0800B9D6
+_0800BA10:
+	movs r2, 0
+	ldrsh r1, [r7, r2]
+	mov r3, r8
+	movs r2, 0
+	ldrsh r0, [r3, r2]
+	cmp r1, r0
+	bge _0800BA34
+	ldr r2, _0800BA58
+	ldr r1, _0800BA54
+	movs r3, 0
+	ldrsh r0, [r7, r3]
+	lsls r0, 3
+	adds r0, r1
+	ldrh r0, [r0, 0x2]
+	lsls r0, 8
+	movs r1, 0x28
+	orrs r0, r1
+	strh r0, [r2]
+_0800BA34:
+	movs r0, 0x4
+	bl sub_800B67C
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800BA44: .4byte 0x04000006
+_0800BA48: .4byte gUnknown_203B0AE
+_0800BA4C: .4byte gUnknown_202D5F0
+_0800BA50: .4byte gUnknown_203B0AC
+_0800BA54: .4byte gUnknown_202D648
+_0800BA58: .4byte 0x04000004
+	thumb_func_end VCountIntr
+
+	thumb_func_start sub_800BA5C
+sub_800BA5C:
+	push {r4,lr}
+	ldr r4, _0800BAA4
+	ldrb r0, [r4]
+	cmp r0, 0
+	beq _0800BA72
+	ldr r1, _0800BAA8
+	ldr r0, [r1]
+	adds r0, 0x1
+	str r0, [r1]
+	bl xxx_update_bg_sound_input
+_0800BA72:
+	movs r0, 0x1
+	strb r0, [r4]
+	ldr r1, _0800BAAC
+	movs r0, 0
+	strb r0, [r1]
+	ldr r1, _0800BAA8
+	movs r0, 0
+	str r0, [r1]
+	bl nullsub_25
+	ldr r1, _0800BAB0
+_0800BA88:
+	ldrh r0, [r1]
+	cmp r0, 0x9F
+	bhi _0800BA88
+	ldr r1, _0800BAB4
+	movs r0, 0x1
+	strb r0, [r1]
+	bl VBlankIntrWait
+	bl nullsub_18
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800BAA4: .4byte gUnknown_203B09A
+_0800BAA8: .4byte gUnknown_203B09C
+_0800BAAC: .4byte gUnknown_203B09B
+_0800BAB0: .4byte 0x04000006
+_0800BAB4: .4byte gUnknown_203B099
+	thumb_func_end sub_800BA5C
+
+	thumb_func_start xxx_update_bg_sound_input
+xxx_update_bg_sound_input:
+	push {r4,r5,lr}
+	ldr r1, _0800BACC
+	ldrb r4, [r1]
+	cmp r4, 0
+	beq _0800BAD4
+	ldr r1, _0800BAD0
+	ldr r0, [r1]
+	adds r0, 0x1
+	str r0, [r1]
+	b _0800BAFE
+	.align 2, 0
+_0800BACC: .4byte gUnknown_203B09B
+_0800BAD0: .4byte gUnknown_203B09C
+_0800BAD4:
+	movs r0, 0x1
+	strb r0, [r1]
+	ldr r0, _0800BB04
+	strb r4, [r0]
+	ldr r0, _0800BB08
+	str r4, [r0]
+	bl UpdateBGControlRegisters
+	ldr r5, _0800BB0C
+	ldrb r0, [r5]
+	cmp r0, 0
+	beq _0800BAF0
+	bl UpdateSound
+_0800BAF0:
+	bl UpdateInput
+	strb r4, [r5]
+	ldr r0, _0800BB10
+	ldr r1, _0800BB14
+	ldr r1, [r1]
+	str r1, [r0]
+_0800BAFE:
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800BB04: .4byte gUnknown_203B09A
+_0800BB08: .4byte gUnknown_203B09C
+_0800BB0C: .4byte gUnknown_203B099
+_0800BB10: .4byte gUnknown_203B0A4
+_0800BB14: .4byte gUnknown_203B0A0
+	thumb_func_end xxx_update_bg_sound_input
+
+	thumb_func_start Timer3Intr
+Timer3Intr:
+	push {lr}
+	ldr r0, _0800BB30
+	ldr r0, [r0, 0x10]
+	cmp r0, 0
+	beq _0800BB26
+	bl _call_via_r0
+_0800BB26:
+	movs r0, 0x40
+	bl sub_800B67C
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800BB30: .4byte gUnknown_202D5F0
+	thumb_func_end Timer3Intr
+
+	thumb_func_start sub_800BB34
+sub_800BB34:
+	ldr r0, _0800BB3C
+	ldr r0, [r0]
+	bx lr
+	.align 2, 0
+_0800BB3C: .4byte gUnknown_203B0A0
+	thumb_func_end sub_800BB34
+
+	thumb_func_start nullsub_178
+nullsub_178:
+	bx lr
+	thumb_func_end nullsub_178
+
+	thumb_func_start sub_800BB44
+sub_800BB44:
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	sub sp, 0x4
+	ldr r2, _0800BBF0
+	ldrh r0, [r2]
+	ldr r1, _0800BBF4
+	cmp r0, r1
+	beq _0800BB60
+_0800BB5A:
+	ldrh r0, [r2]
+	cmp r0, r1
+	bne _0800BB5A
+_0800BB60:
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r0, 24
+	str r0, [sp]
+	ldr r1, _0800BBF8
+_0800BB6C:
+	ldrh r0, [r1]
+	cmp r0, 0x9F
+	bls _0800BB6C
+	movs r0, 0x80
+	lsls r0, 19
+	mov r9, r0
+	ldrh r1, [r0]
+	mov r8, r1
+	movs r0, 0x80
+	mov r2, r9
+	strh r0, [r2]
+	movs r7, 0xA0
+	lsls r7, 19
+	ldr r1, _0800BBFC
+	adds r0, r1, 0
+	strh r0, [r7]
+	ldr r5, _0800BC00
+	ldrh r4, [r5]
+	movs r2, 0xC0
+	lsls r2, 6
+	adds r0, r2, 0
+	strh r0, [r5]
+	ldr r0, _0800BC04
+	mov r10, r0
+	ldr r1, _0800BC08
+	adds r0, r1, 0
+	mov r2, r10
+	strh r0, [r2]
+	ldr r6, _0800BC0C
+	movs r0, 0x1
+	strh r0, [r6]
+	bl SoundBiasReset
+	swi 0x3
+	bl SoundBiasSet
+	movs r0, 0
+	strh r0, [r6]
+	strh r4, [r5]
+	mov r1, r10
+	strh r0, [r1]
+	mov r1, r8
+	mov r2, r9
+	strh r1, [r2]
+	strh r0, [r7]
+	ldr r2, [sp]
+	cmp r2, 0
+	beq _0800BBD0
+	bl sub_800B5F0
+_0800BBD0:
+	ldr r2, _0800BBF0
+	ldrh r0, [r2]
+	ldr r1, _0800BBF4
+	cmp r0, r1
+	beq _0800BBE0
+_0800BBDA:
+	ldrh r0, [r2]
+	cmp r0, r1
+	bne _0800BBDA
+_0800BBE0:
+	add sp, 0x4
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800BBF0: .4byte 0x04000130
+_0800BBF4: .4byte 0x000003ff
+_0800BBF8: .4byte 0x04000006
+_0800BBFC: .4byte 0x00007fff
+_0800BC00: .4byte 0x04000200
+_0800BC04: .4byte 0x04000132
+_0800BC08: .4byte 0x00008304
+_0800BC0C: .4byte 0x04000208
+	thumb_func_end sub_800BB44
+
+	thumb_func_start nullsub_17
+nullsub_17:
+	bx lr
+	thumb_func_end nullsub_17
+
+	thumb_func_start UpdateBGControlRegisters
+UpdateBGControlRegisters:
+	push {r4,lr}
+	sub sp, 0x10
+	ldr r0, _0800BC2C
+	ldrb r0, [r0]
+	cmp r0, 0x1
+	bne _0800BC30
+	str r0, [sp]
+	movs r0, 0x2
+	str r0, [sp, 0x4]
+	movs r0, 0
+	b _0800BC3A
+	.align 2, 0
+_0800BC2C: .4byte gUnknown_202D7FE
+_0800BC30:
+	movs r0, 0
+	str r0, [sp]
+	movs r0, 0x1
+	str r0, [sp, 0x4]
+	movs r0, 0x2
+_0800BC3A:
+	str r0, [sp, 0x8]
+	movs r0, 0x3
+	str r0, [sp, 0xC]
+	ldr r1, _0800BCA8
+	ldr r2, _0800BCAC
+	ldrh r0, [r2, 0x4]
+	strh r0, [r1]
+	adds r1, 0x2
+	ldrh r0, [r2, 0x6]
+	strh r0, [r1]
+	adds r1, 0x2
+	ldr r2, _0800BCB0
+	ldrh r0, [r2, 0x4]
+	strh r0, [r1]
+	adds r1, 0x2
+	ldrh r0, [r2, 0x6]
+	strh r0, [r1]
+	adds r1, 0x2
+	ldr r3, _0800BCB4
+	ldrh r0, [r3, 0x4]
+	strh r0, [r1]
+	adds r1, 0x2
+	ldrh r0, [r3, 0x6]
+	strh r0, [r1]
+	adds r1, 0x2
+	ldr r2, _0800BCB8
+	ldrh r0, [r2, 0x4]
+	strh r0, [r1]
+	adds r1, 0x2
+	ldrh r0, [r2, 0x6]
+	strh r0, [r1]
+	ldr r2, _0800BCBC
+	ldr r0, [sp]
+	movs r4, 0xB0
+	lsls r4, 6
+	adds r1, r4, 0
+	orrs r0, r1
+	strh r0, [r2]
+	adds r2, 0x2
+	ldr r0, [sp, 0x4]
+	movs r4, 0xB4
+	lsls r4, 6
+	adds r1, r4, 0
+	orrs r0, r1
+	strh r0, [r2]
+	ldrh r1, [r3, 0x2]
+	movs r0, 0x80
+	lsls r0, 8
+	cmp r1, r0
+	bne _0800BCC8
+	ldr r0, _0800BCC0
+	ldr r1, [sp, 0x8]
+	ldr r3, _0800BCC4
+	adds r2, r3, 0
+	b _0800BCD2
+	.align 2, 0
+_0800BCA8: .4byte 0x04000010
+_0800BCAC: .4byte gUnknown_202D698
+_0800BCB0: .4byte gUnknown_202D6A0
+_0800BCB4: .4byte gUnknown_202D6A8
+_0800BCB8: .4byte gUnknown_202D6B0
+_0800BCBC: .4byte 0x04000008
+_0800BCC0: .4byte 0x0400000c
+_0800BCC4: .4byte 0x00002e08
+_0800BCC8:
+	ldr r0, _0800BCF4
+	ldr r1, [sp, 0x8]
+	movs r4, 0xB8
+	lsls r4, 6
+	adds r2, r4, 0
+_0800BCD2:
+	orrs r1, r2
+	strh r1, [r0]
+	ldr r2, _0800BCF8
+	ldr r0, [sp, 0xC]
+	ldr r3, _0800BCFC
+	adds r1, r3, 0
+	orrs r0, r1
+	strh r0, [r2]
+	ldr r1, _0800BD00
+	ldr r0, _0800BD04
+	ldrh r0, [r0]
+	strh r0, [r1]
+	add sp, 0x10
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800BCF4: .4byte 0x0400000c
+_0800BCF8: .4byte 0x0400000e
+_0800BCFC: .4byte 0x00002f08
+_0800BD00: .4byte 0x04000050
+_0800BD04: .4byte gUnknown_202D7FC
+	thumb_func_end UpdateBGControlRegisters
+
+	thumb_func_start sub_800BD08
+sub_800BD08:
+	push {r4,lr}
+	ldr r1, _0800BDA8
+	ldrh r2, [r1, 0xA]
+	ldr r4, _0800BDAC
+	adds r0, r4, 0
+	ands r0, r2
+	strh r0, [r1, 0xA]
+	ldrh r2, [r1, 0xA]
+	ldr r3, _0800BDB0
+	adds r0, r3, 0
+	ands r0, r2
+	strh r0, [r1, 0xA]
+	ldrh r0, [r1, 0xA]
+	adds r1, 0xC
+	ldrh r2, [r1, 0xA]
+	adds r0, r4, 0
+	ands r0, r2
+	strh r0, [r1, 0xA]
+	ldrh r2, [r1, 0xA]
+	adds r0, r3, 0
+	ands r0, r2
+	strh r0, [r1, 0xA]
+	ldrh r0, [r1, 0xA]
+	adds r1, 0xC
+	ldrh r2, [r1, 0xA]
+	adds r0, r4, 0
+	ands r0, r2
+	strh r0, [r1, 0xA]
+	ldrh r2, [r1, 0xA]
+	adds r0, r3, 0
+	ands r0, r2
+	strh r0, [r1, 0xA]
+	ldrh r0, [r1, 0xA]
+	ldr r0, _0800BDB4
+	ldrh r1, [r0, 0xA]
+	ands r4, r1
+	strh r4, [r0, 0xA]
+	ldrh r1, [r0, 0xA]
+	ands r3, r1
+	strh r3, [r0, 0xA]
+	ldrh r0, [r0, 0xA]
+	bl m4aSoundInit
+	ldr r0, _0800BDB8
+	movs r2, 0
+	strh r2, [r0]
+	ldr r0, _0800BDBC
+	ldr r3, _0800BDC0
+	adds r1, r3, 0
+	strh r1, [r0]
+	ldr r0, _0800BDC4
+	strh r1, [r0]
+	ldr r1, _0800BDC8
+	subs r3, 0x2
+	adds r0, r3, 0
+	strh r0, [r1]
+	ldr r0, _0800BDCC
+	strh r2, [r0]
+	ldr r0, _0800BDD0
+	strh r2, [r0]
+	ldr r0, _0800BDD4
+	strb r2, [r0]
+	ldr r0, _0800BDD8
+	movs r4, 0
+	movs r2, 0
+	movs r1, 0x7
+_0800BD8C:
+	strh r2, [r0]
+	strh r3, [r0, 0x2]
+	strh r2, [r0, 0x4]
+	strb r4, [r0, 0x6]
+	subs r1, 0x1
+	adds r0, 0x8
+	cmp r1, 0
+	bge _0800BD8C
+	bl nullsub_19
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800BDA8: .4byte 0x040000b0
+_0800BDAC: .4byte 0x0000c5ff
+_0800BDB0: .4byte 0x00007fff
+_0800BDB4: .4byte 0x040000d4
+_0800BDB8: .4byte gUnknown_202D688
+_0800BDBC: .4byte gUnknown_202D68A
+_0800BDC0: .4byte 0x000003e7
+_0800BDC4: .4byte gUnknown_202D68C
+_0800BDC8: .4byte gUnknown_202D68E
+_0800BDCC: .4byte gUnknown_202D690
+_0800BDD0: .4byte gUnknown_202D692
+_0800BDD4: .4byte gUnknown_202D694
+_0800BDD8: .4byte gUnknown_3000FD8
+	thumb_func_end sub_800BD08
+
+	thumb_func_start sub_800BDDC
+sub_800BDDC:
+	push {lr}
+	bl sub_800BF80
+	ldr r0, _0800BDF4
+	bl sub_800C298
+	ldr r0, _0800BDF8
+	bl sub_800C298
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800BDF4: .4byte 0x000003e6
+_0800BDF8: .4byte 0x000003e5
+	thumb_func_end sub_800BDDC
+
+	thumb_func_start sub_800BDFC
+sub_800BDFC:
+	push {r4-r6,lr}
+	lsls r0, 16
+	lsrs r4, r0, 16
+	adds r6, r4, 0
+	adds r0, r4, 0
+	bl sub_800CA9C
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800BE78
+	ldr r0, _0800BE40
+	cmp r4, r0
+	beq _0800BE78
+	ldr r5, _0800BE44
+	ldrh r0, [r5]
+	cmp r4, r0
+	bne _0800BE2C
+	ldr r0, _0800BE48
+	ldrh r0, [r0]
+	subs r0, 0x1
+	lsls r0, 16
+	lsrs r0, 16
+	cmp r0, 0x1
+	bls _0800BE78
+_0800BE2C:
+	adds r0, r4, 0
+	bl sub_800CAE0
+	lsls r0, 16
+	cmp r0, 0
+	beq _0800BE4C
+	adds r0, r4, 0
+	bl nullsub_20
+	b _0800BE78
+	.align 2, 0
+_0800BE40: .4byte 0x000003e7
+_0800BE44: .4byte gUnknown_202D68A
+_0800BE48: .4byte gUnknown_202D688
+_0800BE4C:
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r4, r0, 24
+	strh r6, [r5]
+	ldr r1, _0800BE80
+	movs r0, 0x1
+	strb r0, [r1]
+	ldr r0, _0800BE84
+	ldrh r0, [r0]
+	cmp r0, 0
+	bne _0800BE70
+	ldr r1, _0800BE88
+	movs r0, 0x1
+	strh r0, [r1]
+	adds r0, r6, 0
+	bl m4aSongNumStart
+_0800BE70:
+	cmp r4, 0
+	beq _0800BE78
+	bl sub_800B5F0
+_0800BE78:
+	pop {r4-r6}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800BE80: .4byte gUnknown_202D694
+_0800BE84: .4byte gUnknown_202D690
+_0800BE88: .4byte gUnknown_202D688
+	thumb_func_end sub_800BDFC
+
+	thumb_func_start sub_800BE8C
+sub_800BE8C:
+	push {r4-r7,lr}
+	lsls r0, 16
+	lsrs r6, r0, 16
+	lsls r4, r1, 16
+	lsrs r5, r4, 16
+	adds r0, r6, 0
+	bl sub_800CA9C
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800BF2E
+	ldr r0, _0800BECC
+	cmp r6, r0
+	beq _0800BF2E
+	ldr r0, _0800BED0
+	ldrh r0, [r0]
+	cmp r6, r0
+	bne _0800BEBE
+	ldr r0, _0800BED4
+	ldrh r0, [r0]
+	subs r0, 0x1
+	lsls r0, 16
+	lsrs r0, 16
+	cmp r0, 0x1
+	bls _0800BF2E
+_0800BEBE:
+	movs r0, 0x80
+	lsls r0, 1
+	cmp r5, r0
+	bls _0800BED8
+	movs r5, 0x10
+	b _0800BEE0
+	.align 2, 0
+_0800BECC: .4byte 0x000003e7
+_0800BED0: .4byte gUnknown_202D68A
+_0800BED4: .4byte gUnknown_202D688
+_0800BED8:
+	lsrs r5, r4, 20
+	cmp r5, 0
+	bne _0800BEE0
+	movs r5, 0x1
+_0800BEE0:
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r7, r0, 24
+	ldr r0, _0800BF34
+	strh r6, [r0]
+	ldr r1, _0800BF38
+	movs r0, 0x1
+	strb r0, [r1]
+	ldr r0, _0800BF3C
+	ldrh r0, [r0]
+	cmp r0, 0
+	bne _0800BF26
+	ldr r0, _0800BF40
+	movs r1, 0x1
+	strh r1, [r0]
+	adds r0, r6, 0
+	bl m4aSongNumStart
+	ldr r4, _0800BF44
+	adds r0, r4, 0
+	bl m4aMPlayImmInit
+	adds r0, r4, 0
+	movs r1, 0xFF
+	movs r2, 0
+	bl m4aMPlayVolumeControl
+	adds r0, r6, 0
+	bl m4aSongNumStop
+	adds r0, r4, 0
+	adds r1, r5, 0
+	bl m4aMPlayFadeIn
+_0800BF26:
+	cmp r7, 0
+	beq _0800BF2E
+	bl sub_800B5F0
+_0800BF2E:
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800BF34: .4byte gUnknown_202D68A
+_0800BF38: .4byte gUnknown_202D694
+_0800BF3C: .4byte gUnknown_202D690
+_0800BF40: .4byte gUnknown_202D688
+_0800BF44: .4byte gUnknown_20008F0
+	thumb_func_end sub_800BE8C
+
+	thumb_func_start sub_800BF48
+sub_800BF48:
+	push {r4,lr}
+	lsls r0, 16
+	lsrs r1, r0, 16
+	ldr r0, _0800BF64
+	ldrh r4, [r0]
+	ldr r0, _0800BF68
+	cmp r4, r0
+	bne _0800BF70
+	adds r0, r1, 0
+	bl sub_800BDFC
+	ldr r0, _0800BF6C
+	strh r4, [r0]
+	b _0800BF74
+	.align 2, 0
+_0800BF64: .4byte gUnknown_202D68A
+_0800BF68: .4byte 0x000003e7
+_0800BF6C: .4byte gUnknown_202D68C
+_0800BF70:
+	ldr r0, _0800BF7C
+	strh r1, [r0]
+_0800BF74:
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800BF7C: .4byte gUnknown_202D68C
+	thumb_func_end sub_800BF48
+
+	thumb_func_start sub_800BF80
+sub_800BF80:
+	push {r4,lr}
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r4, r0, 24
+	ldr r0, _0800BFBC
+	ldrh r0, [r0]
+	cmp r0, 0
+	bne _0800BFA2
+	ldr r0, _0800BFC0
+	ldrh r1, [r0]
+	ldr r0, _0800BFC4
+	cmp r1, r0
+	beq _0800BFA2
+	ldr r0, _0800BFC8
+	bl m4aMPlayStop
+_0800BFA2:
+	ldr r0, _0800BFC0
+	ldr r2, _0800BFC4
+	adds r1, r2, 0
+	strh r1, [r0]
+	ldr r0, _0800BFCC
+	strh r1, [r0]
+	cmp r4, 0
+	beq _0800BFB6
+	bl sub_800B5F0
+_0800BFB6:
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800BFBC: .4byte gUnknown_202D690
+_0800BFC0: .4byte gUnknown_202D68A
+_0800BFC4: .4byte 0x000003e7
+_0800BFC8: .4byte gUnknown_20008F0
+_0800BFCC: .4byte gUnknown_202D68C
+	thumb_func_end sub_800BF80
+
+	thumb_func_start sub_800BFD0
+sub_800BFD0:
+	push {r4,r5,lr}
+	lsls r1, r0, 16
+	movs r0, 0x80
+	lsls r0, 17
+	cmp r1, r0
+	bls _0800BFE0
+	movs r4, 0x10
+	b _0800BFE8
+_0800BFE0:
+	lsrs r4, r1, 20
+	cmp r4, 0
+	bne _0800BFE8
+	movs r4, 0x1
+_0800BFE8:
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r5, r0, 24
+	ldr r0, _0800C018
+	ldrh r0, [r0]
+	cmp r0, 0
+	bne _0800C03C
+	ldr r3, _0800C01C
+	ldrh r0, [r3]
+	ldr r2, _0800C020
+	cmp r0, r2
+	beq _0800C044
+	ldr r1, _0800C024
+	ldrh r0, [r1]
+	cmp r0, 0x2
+	bne _0800C02C
+	movs r0, 0x3
+	strh r0, [r1]
+	ldr r0, _0800C028
+	adds r1, r4, 0
+	bl m4aMPlayFadeOut
+	b _0800C044
+	.align 2, 0
+_0800C018: .4byte gUnknown_202D690
+_0800C01C: .4byte gUnknown_202D68A
+_0800C020: .4byte 0x000003e7
+_0800C024: .4byte gUnknown_202D688
+_0800C028: .4byte gUnknown_20008F0
+_0800C02C:
+	strh r2, [r3]
+	ldr r0, _0800C038
+	bl m4aMPlayStop
+	b _0800C044
+	.align 2, 0
+_0800C038: .4byte gUnknown_20008F0
+_0800C03C:
+	ldr r1, _0800C05C
+	ldr r2, _0800C060
+	adds r0, r2, 0
+	strh r0, [r1]
+_0800C044:
+	ldr r1, _0800C064
+	ldr r2, _0800C060
+	adds r0, r2, 0
+	strh r0, [r1]
+	cmp r5, 0
+	beq _0800C054
+	bl sub_800B5F0
+_0800C054:
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800C05C: .4byte gUnknown_202D68A
+_0800C060: .4byte 0x000003e7
+_0800C064: .4byte gUnknown_202D68C
+	thumb_func_end sub_800BFD0
+
+	thumb_func_start sub_800C068
+sub_800C068:
+	ldr r0, _0800C070
+	ldrh r0, [r0]
+	bx lr
+	.align 2, 0
+_0800C070: .4byte gUnknown_202D68A
+	thumb_func_end sub_800C068
+
+	thumb_func_start sub_800C074
+sub_800C074:
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	lsls r0, 16
+	lsrs r5, r0, 16
+	mov r8, r5
+	lsls r1, 16
+	lsrs r6, r1, 16
+	ldr r0, _0800C0FC
+	cmp r5, r0
+	bne _0800C08C
+	b _0800C208
+_0800C08C:
+	movs r7, 0x80
+	lsls r7, 1
+	cmp r6, r7
+	bls _0800C096
+	adds r6, r7, 0
+_0800C096:
+	adds r0, r5, 0
+	bl sub_800CACC
+	lsls r0, 24
+	cmp r0, 0
+	bne _0800C0A4
+	b _0800C1B0
+_0800C0A4:
+	adds r0, r5, 0
+	bl sub_800CAE0
+	lsls r0, 16
+	lsrs r7, r0, 16
+	cmp r7, 0x1
+	beq _0800C0B4
+	b _0800C1D0
+_0800C0B4:
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r0, 24
+	mov r8, r0
+	ldr r6, _0800C100
+	strh r5, [r6]
+	ldr r4, _0800C104
+	ldrh r0, [r4]
+	adds r2, r0, 0
+	cmp r2, 0
+	bne _0800C144
+	ldr r0, _0800C108
+	ldrh r1, [r0]
+	ldr r0, _0800C10C
+	cmp r1, r0
+	beq _0800C12C
+	ldr r0, _0800C110
+	ldrh r1, [r0]
+	subs r0, r1, 0x1
+	lsls r0, 16
+	lsrs r0, 16
+	cmp r0, 0x1
+	bhi _0800C120
+	strh r7, [r4]
+	ldr r1, _0800C114
+	movs r0, 0x10
+	strh r0, [r1]
+	ldr r0, _0800C118
+	strb r2, [r0]
+	ldr r0, _0800C11C
+	movs r1, 0x1
+	bl m4aMPlayFadeOutTemporarily
+	b _0800C15E
+	.align 2, 0
+_0800C0FC: .4byte 0x000003e5
+_0800C100: .4byte gUnknown_202D68E
+_0800C104: .4byte gUnknown_202D690
+_0800C108: .4byte gUnknown_202D68A
+_0800C10C: .4byte 0x000003e7
+_0800C110: .4byte gUnknown_202D688
+_0800C114: .4byte gUnknown_202D692
+_0800C118: .4byte gUnknown_202D694
+_0800C11C: .4byte gUnknown_20008F0
+_0800C120:
+	lsls r0, r1, 16
+	lsrs r0, 16
+	cmp r0, 0x3
+	bne _0800C12C
+	movs r0, 0x2
+	b _0800C15C
+_0800C12C:
+	movs r0, 0x3
+	strh r0, [r4]
+	ldr r0, _0800C140
+	bl m4aMPlayStop
+	ldrh r0, [r6]
+	bl m4aSongNumStart
+	b _0800C15E
+	.align 2, 0
+_0800C140: .4byte gUnknown_20008F0
+_0800C144:
+	subs r0, 0x1
+	lsls r0, 16
+	lsrs r0, 16
+	cmp r0, 0x1
+	bls _0800C15E
+	ldr r0, _0800C17C
+	bl m4aMPlayStop
+	ldrh r0, [r6]
+	bl m4aSongNumStart
+	movs r0, 0x3
+_0800C15C:
+	strh r0, [r4]
+_0800C15E:
+	ldr r0, _0800C180
+	ldrh r0, [r0]
+	cmp r0, 0x26
+	bgt _0800C184
+	cmp r0, 0x25
+	bge _0800C19A
+	cmp r0, 0x1A
+	blt _0800C1A0
+	cmp r0, 0x1F
+	ble _0800C19A
+	cmp r0, 0x23
+	bgt _0800C1A0
+	cmp r0, 0x22
+	blt _0800C1A0
+	b _0800C19A
+	.align 2, 0
+_0800C17C: .4byte gUnknown_20008F0
+_0800C180: .4byte gUnknown_202D68A
+_0800C184:
+	cmp r0, 0x7A
+	beq _0800C19A
+	cmp r0, 0x7A
+	bgt _0800C196
+	cmp r0, 0x77
+	bgt _0800C1A0
+	cmp r0, 0x75
+	blt _0800C1A0
+	b _0800C19A
+_0800C196:
+	cmp r0, 0x7F
+	bne _0800C1A0
+_0800C19A:
+	ldr r1, _0800C1AC
+	movs r0, 0x1
+	strb r0, [r1]
+_0800C1A0:
+	mov r0, r8
+	cmp r0, 0
+	beq _0800C208
+	bl sub_800B5F0
+	b _0800C208
+	.align 2, 0
+_0800C1AC: .4byte gUnknown_202D694
+_0800C1B0:
+	adds r0, r5, 0
+	bl sub_800CAAC
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800C208
+	adds r0, r5, 0
+	bl sub_800CAE0
+	lsls r0, 16
+	lsrs r0, 16
+	lsls r2, r0, 3
+	ldr r1, _0800C1D8
+	adds r4, r2, r1
+	cmp r0, 0x1
+	bhi _0800C1DC
+_0800C1D0:
+	adds r0, r5, 0
+	bl nullsub_20
+	b _0800C208
+	.align 2, 0
+_0800C1D8: .4byte gUnknown_3000FD8
+_0800C1DC:
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r5, r0, 24
+	mov r0, r8
+	bl m4aSongNumStart
+	movs r0, 0x1
+	strh r0, [r4]
+	mov r0, r8
+	strh r0, [r4, 0x2]
+	cmp r6, r7
+	bne _0800C1FA
+	movs r0, 0
+	b _0800C1FC
+_0800C1FA:
+	movs r0, 0x1
+_0800C1FC:
+	strb r0, [r4, 0x6]
+	strh r6, [r4, 0x4]
+	cmp r5, 0
+	beq _0800C208
+	bl sub_800B5F0
+_0800C208:
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	thumb_func_end sub_800C074
+
+	thumb_func_start sub_800C214
+sub_800C214:
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	lsls r0, 16
+	lsrs r5, r0, 16
+	lsls r1, 16
+	lsrs r7, r1, 16
+	movs r0, 0x80
+	lsls r0, 1
+	cmp r7, r0
+	bls _0800C22C
+	adds r7, r0, 0
+_0800C22C:
+	adds r0, r5, 0
+	bl sub_800CACC
+	lsls r0, 24
+	cmp r0, 0
+	bne _0800C286
+	adds r0, r5, 0
+	bl sub_800CAAC
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800C286
+	adds r0, r5, 0
+	bl sub_800CAE0
+	lsls r0, 16
+	lsrs r0, 16
+	ldr r2, _0800C290
+	lsls r1, r0, 1
+	adds r1, r0
+	lsls r1, 2
+	adds r1, r2
+	ldr r1, [r1]
+	mov r8, r1
+	lsls r2, r0, 3
+	ldr r1, _0800C294
+	adds r4, r2, r1
+	cmp r0, 0x1
+	bls _0800C286
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r6, r0, 24
+	ldrh r0, [r4, 0x2]
+	cmp r0, r5
+	bne _0800C27E
+	mov r0, r8
+	movs r1, 0xF
+	adds r2, r7, 0
+	bl m4aMPlayVolumeControl
+_0800C27E:
+	cmp r6, 0
+	beq _0800C286
+	bl sub_800B5F0
+_0800C286:
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800C290: .4byte gMPlayTable
+_0800C294: .4byte gUnknown_3000FD8
+	thumb_func_end sub_800C214
+
+	thumb_func_start sub_800C298
+sub_800C298:
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	lsls r0, 16
+	lsrs r5, r0, 16
+	ldr r0, _0800C2F0
+	mov r8, r0
+	cmp r5, r8
+	bne _0800C2FC
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r0, 24
+	mov r9, r0
+	ldr r4, _0800C2F4
+	ldr r0, _0800C2F8
+	movs r1, 0
+	mov r10, r1
+	movs r7, 0
+	adds r6, r0, 0
+	adds r6, 0x18
+	movs r5, 0x4
+_0800C2C8:
+	ldr r0, [r6]
+	bl m4aMPlayStop
+	strh r7, [r4]
+	mov r2, r8
+	strh r2, [r4, 0x2]
+	strh r7, [r4, 0x4]
+	mov r0, r10
+	strb r0, [r4, 0x6]
+	adds r6, 0xC
+	subs r5, 0x1
+	adds r4, 0x8
+	cmp r5, 0
+	bge _0800C2C8
+	mov r1, r9
+	cmp r1, 0
+	beq _0800C3DE
+	bl sub_800B5F0
+	b _0800C3DE
+	.align 2, 0
+_0800C2F0: .4byte 0x000003e5
+_0800C2F4: .4byte gUnknown_3000FE8
+_0800C2F8: .4byte gMPlayTable
+_0800C2FC:
+	adds r0, r5, 0
+	bl sub_800CAAC
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800C364
+	adds r0, r5, 0
+	bl sub_800CAE0
+	lsls r0, 16
+	lsrs r0, 16
+	ldr r2, _0800C330
+	lsls r1, r0, 1
+	adds r1, r0
+	lsls r1, 2
+	adds r1, r2
+	ldr r7, [r1]
+	lsls r2, r0, 3
+	ldr r1, _0800C334
+	adds r4, r2, r1
+	cmp r0, 0x1
+	bhi _0800C338
+	adds r0, r5, 0
+	bl nullsub_21
+	b _0800C3DE
+	.align 2, 0
+_0800C330: .4byte gMPlayTable
+_0800C334: .4byte gUnknown_3000FD8
+_0800C338:
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r6, r0, 24
+	ldrh r0, [r4, 0x2]
+	cmp r0, r5
+	bne _0800C35A
+	adds r0, r7, 0
+	bl m4aMPlayStop
+	movs r1, 0
+	movs r0, 0
+	strh r0, [r4]
+	mov r2, r8
+	strh r2, [r4, 0x2]
+	strh r0, [r4, 0x4]
+	strb r1, [r4, 0x6]
+_0800C35A:
+	cmp r6, 0
+	beq _0800C3DE
+	bl sub_800B5F0
+	b _0800C3DE
+_0800C364:
+	ldr r0, _0800C398
+	cmp r5, r0
+	bne _0800C3A8
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r4, r0, 24
+	ldr r0, _0800C39C
+	ldrh r0, [r0]
+	cmp r0, 0
+	beq _0800C38C
+	ldr r1, _0800C3A0
+	ldrh r0, [r1]
+	cmp r0, r8
+	beq _0800C38C
+	mov r0, r8
+	strh r0, [r1]
+	ldr r0, _0800C3A4
+	bl m4aMPlayStop
+_0800C38C:
+	cmp r4, 0
+	beq _0800C3DE
+	bl sub_800B5F0
+	b _0800C3DE
+	.align 2, 0
+_0800C398: .4byte 0x000003e6
+_0800C39C: .4byte gUnknown_202D690
+_0800C3A0: .4byte gUnknown_202D68E
+_0800C3A4: .4byte gUnknown_2000970
+_0800C3A8:
+	adds r0, r5, 0
+	bl sub_800CACC
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800C3DE
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r4, r0, 24
+	ldr r0, _0800C3EC
+	ldrh r0, [r0]
+	cmp r0, 0
+	beq _0800C3D6
+	ldr r1, _0800C3F0
+	ldrh r0, [r1]
+	cmp r0, r5
+	bne _0800C3D6
+	mov r2, r8
+	strh r2, [r1]
+	ldr r0, _0800C3F4
+	bl m4aMPlayStop
+_0800C3D6:
+	cmp r4, 0
+	beq _0800C3DE
+	bl sub_800B5F0
+_0800C3DE:
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800C3EC: .4byte gUnknown_202D690
+_0800C3F0: .4byte gUnknown_202D68E
+_0800C3F4: .4byte gUnknown_2000970
+	thumb_func_end sub_800C298
+
+	thumb_func_start sub_800C3F8
+sub_800C3F8:
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	lsls r0, 16
+	lsrs r4, r0, 16
+	lsls r1, 16
+	movs r0, 0x80
+	lsls r0, 17
+	cmp r1, r0
+	bls _0800C416
+	movs r0, 0x10
+	mov r9, r0
+	b _0800C422
+_0800C416:
+	lsrs r1, 20
+	mov r9, r1
+	cmp r1, 0
+	bne _0800C422
+	movs r1, 0x1
+	mov r9, r1
+_0800C422:
+	ldr r0, _0800C460
+	mov r8, r0
+	cmp r4, r8
+	bne _0800C496
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r0, 24
+	mov r10, r0
+	movs r7, 0x2
+	ldr r5, _0800C464
+	ldr r0, _0800C468
+	adds r6, r0, 0
+	adds r6, 0x18
+_0800C43E:
+	ldrh r0, [r5, 0x2]
+	cmp r0, r8
+	beq _0800C47E
+	lsls r0, r7, 16
+	lsrs r0, 16
+	bl sub_800CAF0
+	lsls r0, 24
+	lsrs r4, r0, 24
+	cmp r4, 0
+	beq _0800C46C
+	ldr r0, [r6]
+	mov r1, r9
+	bl m4aMPlayFadeOut
+	b _0800C47E
+	.align 2, 0
+_0800C460: .4byte 0x000003e5
+_0800C464: .4byte gUnknown_3000FE8
+_0800C468: .4byte gMPlayTable
+_0800C46C:
+	ldr r0, [r6]
+	bl m4aMPlayStop
+	strh r4, [r5]
+	mov r1, r8
+	strh r1, [r5, 0x2]
+	strh r4, [r5, 0x4]
+	movs r0, 0
+	strb r0, [r5, 0x6]
+_0800C47E:
+	adds r6, 0xC
+	adds r7, 0x1
+	adds r5, 0x8
+	cmp r7, 0x6
+	ble _0800C43E
+	mov r1, r10
+	cmp r1, 0
+	bne _0800C490
+	b _0800C5BE
+_0800C490:
+	bl sub_800B5F0
+	b _0800C5BE
+_0800C496:
+	adds r0, r4, 0
+	bl sub_800CAAC
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800C508
+	adds r0, r4, 0
+	bl sub_800CAE0
+	lsls r0, 16
+	lsrs r4, r0, 16
+	lsls r1, r4, 3
+	ldr r0, _0800C4E4
+	adds r5, r1, r0
+	ldr r1, _0800C4E8
+	lsls r0, r4, 1
+	adds r0, r4
+	lsls r0, 2
+	adds r0, r1
+	ldr r6, [r0]
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r7, r0, 24
+	ldrh r0, [r5, 0x2]
+	cmp r0, r8
+	beq _0800C4FE
+	adds r0, r4, 0
+	bl sub_800CAF0
+	lsls r0, 24
+	lsrs r4, r0, 24
+	cmp r4, 0
+	beq _0800C4EC
+	adds r0, r6, 0
+	mov r1, r9
+	bl m4aMPlayFadeOut
+	b _0800C4FE
+	.align 2, 0
+_0800C4E4: .4byte gUnknown_3000FD8
+_0800C4E8: .4byte gMPlayTable
+_0800C4EC:
+	adds r0, r6, 0
+	bl m4aMPlayStop
+	movs r0, 0
+	strh r4, [r5]
+	mov r1, r8
+	strh r1, [r5, 0x2]
+	strh r4, [r5, 0x4]
+	strb r0, [r5, 0x6]
+_0800C4FE:
+	cmp r7, 0
+	beq _0800C5BE
+	bl sub_800B5F0
+	b _0800C5BE
+_0800C508:
+	ldr r0, _0800C53C
+	cmp r4, r0
+	bne _0800C564
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r5, r0, 24
+	ldr r0, _0800C540
+	ldrh r0, [r0]
+	cmp r0, 0
+	beq _0800C556
+	ldr r4, _0800C544
+	ldrh r0, [r4]
+	cmp r0, r8
+	beq _0800C556
+	movs r0, 0x1
+	bl sub_800CAF0
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800C54C
+	ldr r0, _0800C548
+	mov r1, r9
+	bl m4aMPlayFadeOut
+	b _0800C556
+	.align 2, 0
+_0800C53C: .4byte 0x000003e6
+_0800C540: .4byte gUnknown_202D690
+_0800C544: .4byte gUnknown_202D68E
+_0800C548: .4byte gUnknown_2000970
+_0800C54C:
+	ldr r0, _0800C560
+	bl m4aMPlayStop
+	mov r0, r8
+	strh r0, [r4]
+_0800C556:
+	cmp r5, 0
+	beq _0800C5BE
+	bl sub_800B5F0
+	b _0800C5BE
+	.align 2, 0
+_0800C560: .4byte gUnknown_2000970
+_0800C564:
+	adds r0, r4, 0
+	bl sub_800CACC
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800C5BE
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r6, r0, 24
+	ldr r0, _0800C5A0
+	ldrh r0, [r0]
+	cmp r0, 0
+	beq _0800C5B6
+	ldr r5, _0800C5A4
+	ldrh r0, [r5]
+	cmp r0, r4
+	bne _0800C5B6
+	movs r0, 0x1
+	bl sub_800CAF0
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800C5AC
+	ldr r0, _0800C5A8
+	mov r1, r9
+	bl m4aMPlayFadeOut
+	b _0800C5B6
+	.align 2, 0
+_0800C5A0: .4byte gUnknown_202D690
+_0800C5A4: .4byte gUnknown_202D68E
+_0800C5A8: .4byte gUnknown_2000970
+_0800C5AC:
+	ldr r0, _0800C5CC
+	bl m4aMPlayStop
+	mov r1, r8
+	strh r1, [r5]
+_0800C5B6:
+	cmp r6, 0
+	beq _0800C5BE
+	bl sub_800B5F0
+_0800C5BE:
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800C5CC: .4byte gUnknown_2000970
+	thumb_func_end sub_800C3F8
+
+	thumb_func_start sub_800C5D0
+sub_800C5D0:
+	push {r4,r5,lr}
+	lsls r0, 16
+	lsrs r4, r0, 16
+	adds r5, r4, 0
+	adds r0, r4, 0
+	bl sub_800CACC
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800C600
+	ldr r0, _0800C5F8
+	ldrh r0, [r0]
+	cmp r0, 0
+	beq _0800C630
+	ldr r0, _0800C5FC
+	ldrh r0, [r0]
+	cmp r0, r4
+	bne _0800C630
+	movs r0, 0x1
+	b _0800C632
+	.align 2, 0
+_0800C5F8: .4byte gUnknown_202D690
+_0800C5FC: .4byte gUnknown_202D68E
+_0800C600:
+	adds r0, r4, 0
+	bl sub_800CAAC
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800C630
+	adds r0, r4, 0
+	bl sub_800CAE0
+	lsls r0, 16
+	lsrs r0, 16
+	lsls r2, r0, 3
+	ldr r1, _0800C62C
+	adds r2, r1
+	cmp r0, 0x1
+	bls _0800C630
+	ldrh r0, [r2, 0x2]
+	cmp r0, r5
+	bne _0800C630
+	movs r0, 0x1
+	b _0800C632
+	.align 2, 0
+_0800C62C: .4byte gUnknown_3000FD8
+_0800C630:
+	movs r0, 0
+_0800C632:
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	thumb_func_end sub_800C5D0
+
+	thumb_func_start SoundVSync
+SoundVSync:
+	push {r4,lr}
+	bl sub_800B620
+	adds r4, r0, 0
+	lsls r4, 24
+	lsrs r4, 24
+	bl m4aSoundVSync
+	cmp r4, 0
+	beq _0800C650
+	bl sub_800B5F0
+_0800C650:
+	pop {r4}
+	pop {r0}
+	bx r0
+	thumb_func_end SoundVSync
+
+	thumb_func_start nullsub_18
+nullsub_18:
+	bx lr
+	thumb_func_end nullsub_18
+
+	thumb_func_start UpdateSound
+UpdateSound:
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	bl m4aSoundMain
+	ldr r4, _0800C680
+	ldrh r0, [r4]
+	cmp r0, 0
+	bne _0800C670
+	b _0800C7E0
+_0800C670:
+	cmp r0, 0x2
+	beq _0800C6C0
+	cmp r0, 0x2
+	bgt _0800C684
+	cmp r0, 0x1
+	beq _0800C68E
+	b _0800C8A2
+	.align 2, 0
+_0800C680: .4byte gUnknown_202D690
+_0800C684:
+	cmp r0, 0x3
+	beq _0800C700
+	cmp r0, 0x4
+	beq _0800C730
+	b _0800C8A2
+_0800C68E:
+	ldr r2, _0800C69C
+	ldrh r0, [r2]
+	cmp r0, 0
+	beq _0800C6A0
+	subs r0, 0x1
+	strh r0, [r2]
+	b _0800C8A2
+	.align 2, 0
+_0800C69C: .4byte gUnknown_202D692
+_0800C6A0:
+	ldr r3, _0800C6B4
+	ldrh r1, [r3]
+	ldr r0, _0800C6B8
+	cmp r1, r0
+	bne _0800C6BC
+	movs r0, 0x4
+	strh r0, [r4]
+	movs r0, 0x20
+	strh r0, [r2]
+	b _0800C8A2
+	.align 2, 0
+_0800C6B4: .4byte gUnknown_202D68E
+_0800C6B8: .4byte 0x000003e5
+_0800C6BC:
+	ldrh r0, [r3]
+	b _0800C6E4
+_0800C6C0:
+	ldr r0, _0800C6F0
+	ldrh r1, [r0]
+	ldr r0, _0800C6F4
+	cmp r1, r0
+	beq _0800C6D8
+	movs r0, 0
+	bl sub_800CAF0
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800C6D8
+	b _0800C8A2
+_0800C6D8:
+	ldr r2, _0800C6F8
+	ldrh r1, [r2]
+	ldr r0, _0800C6FC
+	cmp r1, r0
+	beq _0800C718
+	ldrh r0, [r2]
+_0800C6E4:
+	bl m4aSongNumStart
+	movs r0, 0x3
+	strh r0, [r4]
+	b _0800C8A2
+	.align 2, 0
+_0800C6F0: .4byte gUnknown_202D68A
+_0800C6F4: .4byte 0x000003e7
+_0800C6F8: .4byte gUnknown_202D68E
+_0800C6FC: .4byte 0x000003e5
+_0800C700:
+	ldr r0, _0800C724
+	ldrh r1, [r0]
+	ldr r0, _0800C728
+	cmp r1, r0
+	beq _0800C718
+	movs r0, 0x1
+	bl sub_800CAF0
+	lsls r0, 24
+	cmp r0, 0
+	bne _0800C718
+	b _0800C8A2
+_0800C718:
+	movs r0, 0x4
+	strh r0, [r4]
+	ldr r1, _0800C72C
+	movs r0, 0x20
+	strh r0, [r1]
+	b _0800C8A2
+	.align 2, 0
+_0800C724: .4byte gUnknown_202D68E
+_0800C728: .4byte 0x000003e5
+_0800C72C: .4byte gUnknown_202D692
+_0800C730:
+	ldr r0, _0800C74C
+	ldrh r1, [r0]
+	ldr r0, _0800C750
+	cmp r1, r0
+	beq _0800C754
+	movs r0, 0x1
+	bl sub_800CAF0
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800C748
+	b _0800C8A2
+_0800C748:
+	b _0800C75A
+	.align 2, 0
+_0800C74C: .4byte gUnknown_202D68E
+_0800C750: .4byte 0x000003e5
+_0800C754:
+	ldr r0, _0800C76C
+	bl m4aMPlayStop
+_0800C75A:
+	ldr r1, _0800C770
+	ldrh r0, [r1]
+	adds r2, r0, 0
+	cmp r2, 0
+	beq _0800C774
+	subs r0, 0x1
+	strh r0, [r1]
+	b _0800C8A2
+	.align 2, 0
+_0800C76C: .4byte gUnknown_2000970
+_0800C770: .4byte gUnknown_202D692
+_0800C774:
+	ldr r3, _0800C794
+	ldrh r1, [r3]
+	ldr r0, _0800C798
+	cmp r1, r0
+	beq _0800C7B4
+	ldr r1, _0800C79C
+	movs r0, 0x1
+	strh r0, [r1]
+	ldr r0, _0800C7A0
+	ldrb r0, [r0]
+	cmp r0, 0
+	beq _0800C7A4
+	ldrh r0, [r3]
+	bl m4aSongNumStart
+	b _0800C7BE
+	.align 2, 0
+_0800C794: .4byte gUnknown_202D68A
+_0800C798: .4byte 0x000003e7
+_0800C79C: .4byte gUnknown_202D688
+_0800C7A0: .4byte gUnknown_202D694
+_0800C7A4:
+	ldr r0, _0800C7B0
+	movs r1, 0x4
+	bl m4aMPlayFadeIn
+	b _0800C7BE
+	.align 2, 0
+_0800C7B0: .4byte gUnknown_20008F0
+_0800C7B4:
+	ldr r0, _0800C7CC
+	strh r2, [r0]
+	ldr r0, _0800C7D0
+	bl m4aMPlayStop
+_0800C7BE:
+	ldr r1, _0800C7D4
+	movs r0, 0
+	strh r0, [r1]
+	ldr r1, _0800C7D8
+	ldr r2, _0800C7DC
+	b _0800C84C
+	.align 2, 0
+_0800C7CC: .4byte gUnknown_202D688
+_0800C7D0: .4byte gUnknown_20008F0
+_0800C7D4: .4byte gUnknown_202D690
+_0800C7D8: .4byte gUnknown_202D68E
+_0800C7DC: .4byte 0x000003e5
+_0800C7E0:
+	ldr r5, _0800C810
+	ldrh r0, [r5]
+	cmp r0, 0
+	beq _0800C864
+	cmp r0, 0x3
+	bgt _0800C8A2
+	cmp r0, 0x2
+	bge _0800C81C
+	cmp r0, 0x1
+	bne _0800C8A2
+	ldr r0, _0800C814
+	ldrh r1, [r0]
+	ldr r0, _0800C818
+	cmp r1, r0
+	beq _0800C80A
+	movs r0, 0
+	bl sub_800CAF0
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800C8A2
+_0800C80A:
+	movs r0, 0x2
+	strh r0, [r5]
+	b _0800C8A2
+	.align 2, 0
+_0800C810: .4byte gUnknown_202D688
+_0800C814: .4byte gUnknown_202D68A
+_0800C818: .4byte 0x000003e7
+_0800C81C:
+	ldr r0, _0800C834
+	ldrh r1, [r0]
+	ldr r0, _0800C838
+	cmp r1, r0
+	beq _0800C83C
+	movs r0, 0
+	bl sub_800CAF0
+	lsls r0, 24
+	cmp r0, 0
+	bne _0800C8A2
+	b _0800C842
+	.align 2, 0
+_0800C834: .4byte gUnknown_202D68A
+_0800C838: .4byte 0x000003e7
+_0800C83C:
+	ldr r0, _0800C854
+	bl m4aMPlayStop
+_0800C842:
+	ldr r1, _0800C858
+	movs r0, 0
+	strh r0, [r1]
+	ldr r1, _0800C85C
+	ldr r2, _0800C860
+_0800C84C:
+	adds r0, r2, 0
+	strh r0, [r1]
+	b _0800C8A2
+	.align 2, 0
+_0800C854: .4byte gUnknown_20008F0
+_0800C858: .4byte gUnknown_202D688
+_0800C85C: .4byte gUnknown_202D68A
+_0800C860: .4byte 0x000003e7
+_0800C864:
+	movs r0, 0
+	bl sub_800CAF0
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0
+	bne _0800C8A2
+	ldr r6, _0800C890
+	ldrh r2, [r6]
+	adds r1, r2, 0
+	ldr r4, _0800C894
+	cmp r1, r4
+	beq _0800C89C
+	movs r0, 0x1
+	strh r0, [r5]
+	ldr r0, _0800C898
+	strh r2, [r0]
+	adds r0, r1, 0
+	bl m4aSongNumStart
+	strh r4, [r6]
+	b _0800C8A2
+	.align 2, 0
+_0800C890: .4byte gUnknown_202D68C
+_0800C894: .4byte 0x000003e7
+_0800C898: .4byte gUnknown_202D68A
+_0800C89C:
+	strh r0, [r5]
+	ldr r0, _0800C8C4
+	strh r1, [r0]
+_0800C8A2:
+	movs r5, 0x2
+	ldr r4, _0800C8C8
+	ldr r0, _0800C8CC
+	mov r8, r0
+	movs r6, 0x18
+	movs r7, 0
+_0800C8AE:
+	ldrh r1, [r4, 0x2]
+	cmp r1, r8
+	beq _0800C926
+	ldrh r0, [r4]
+	cmp r0, 0x1
+	beq _0800C8D0
+	cmp r0, 0x1
+	ble _0800C926
+	cmp r0, 0x2
+	beq _0800C8F0
+	b _0800C926
+	.align 2, 0
+_0800C8C4: .4byte gUnknown_202D68A
+_0800C8C8: .4byte gUnknown_3000FE8
+_0800C8CC: .4byte 0x000003e5
+_0800C8D0:
+	ldr r0, _0800C8EC
+	cmp r1, r0
+	beq _0800C8E4
+	lsls r0, r5, 16
+	lsrs r0, 16
+	bl sub_800CAF0
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800C926
+_0800C8E4:
+	movs r0, 0x2
+	strh r0, [r4]
+	b _0800C926
+	.align 2, 0
+_0800C8EC: .4byte 0x000003e7
+_0800C8F0:
+	lsls r0, r5, 16
+	lsrs r0, 16
+	bl sub_800CAF0
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0
+	beq _0800C91C
+	ldrb r0, [r4, 0x6]
+	cmp r0, 0
+	beq _0800C926
+	strb r7, [r4, 0x6]
+	ldr r0, _0800C918
+	adds r0, r6, r0
+	ldr r0, [r0]
+	ldrh r2, [r4, 0x4]
+	movs r1, 0xFF
+	bl m4aMPlayVolumeControl
+	b _0800C926
+	.align 2, 0
+_0800C918: .4byte gMPlayTable
+_0800C91C:
+	strh r0, [r4]
+	mov r1, r8
+	strh r1, [r4, 0x2]
+	strh r0, [r4, 0x4]
+	strb r7, [r4, 0x6]
+_0800C926:
+	adds r6, 0xC
+	adds r5, 0x1
+	adds r4, 0x8
+	cmp r5, 0x6
+	ble _0800C8AE
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	thumb_func_end UpdateSound
+
+	thumb_func_start sub_800C93C
+sub_800C93C:
+	push {r4,r5,lr}
+	ldr r0, _0800C984
+	movs r1, 0x10
+	bl sub_800C3F8
+	ldr r0, _0800C988
+	movs r1, 0x10
+	bl sub_800C3F8
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r5, r0, 24
+	ldr r0, _0800C98C
+	ldrh r3, [r0]
+	cmp r3, 0
+	bne _0800C9AC
+	ldr r0, _0800C990
+	ldrh r1, [r0]
+	ldr r0, _0800C994
+	cmp r1, r0
+	beq _0800C9AC
+	ldr r1, _0800C998
+	ldrh r2, [r1]
+	subs r0, r2, 0x1
+	lsls r0, 16
+	lsrs r0, 16
+	adds r4, r1, 0
+	cmp r0, 0x1
+	bhi _0800C9AC
+	adds r1, r2, 0
+	cmp r1, 0x2
+	bne _0800C9A0
+	ldr r0, _0800C99C
+	strb r3, [r0]
+	b _0800C9A8
+	.align 2, 0
+_0800C984: .4byte 0x000003e5
+_0800C988: .4byte 0x000003e6
+_0800C98C: .4byte gUnknown_202D690
+_0800C990: .4byte gUnknown_202D68A
+_0800C994: .4byte 0x000003e7
+_0800C998: .4byte gUnknown_202D688
+_0800C99C: .4byte gUnknown_202D694
+_0800C9A0:
+	cmp r1, 0x1
+	bne _0800C9A8
+	ldr r0, _0800C9C4
+	strb r1, [r0]
+_0800C9A8:
+	movs r0, 0x4
+	strh r0, [r4]
+_0800C9AC:
+	ldr r0, _0800C9C8
+	bl m4aMPlayStop
+	bl m4aSoundVSyncOff
+	cmp r5, 0
+	beq _0800C9BE
+	bl sub_800B5F0
+_0800C9BE:
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800C9C4: .4byte gUnknown_202D694
+_0800C9C8: .4byte gUnknown_20008F0
+	thumb_func_end sub_800C93C
+
+	thumb_func_start sub_800C9CC
+sub_800C9CC:
+	push {r4,lr}
+	bl sub_800B620
+	lsls r0, 24
+	lsrs r4, r0, 24
+	bl m4aSoundVSyncOn
+	ldr r0, _0800CA08
+	ldrh r0, [r0]
+	cmp r0, 0
+	bne _0800CA22
+	ldr r2, _0800CA0C
+	ldrh r1, [r2]
+	ldr r0, _0800CA10
+	cmp r1, r0
+	beq _0800CA22
+	ldr r1, _0800CA14
+	ldrh r0, [r1]
+	cmp r0, 0x4
+	bne _0800CA22
+	movs r0, 0x1
+	strh r0, [r1]
+	ldr r0, _0800CA18
+	ldrb r0, [r0]
+	cmp r0, 0
+	beq _0800CA1C
+	ldrh r0, [r2]
+	bl m4aSongNumStart
+	b _0800CA22
+	.align 2, 0
+_0800CA08: .4byte gUnknown_202D690
+_0800CA0C: .4byte gUnknown_202D68A
+_0800CA10: .4byte 0x000003e7
+_0800CA14: .4byte gUnknown_202D688
+_0800CA18: .4byte gUnknown_202D694
+_0800CA1C:
+	ldr r0, _0800CA30
+	bl m4aMPlayContinue
+_0800CA22:
+	cmp r4, 0
+	beq _0800CA2A
+	bl sub_800B5F0
+_0800CA2A:
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800CA30: .4byte gUnknown_20008F0
+	thumb_func_end sub_800C9CC
+
+	thumb_func_start nullsub_179
+nullsub_179:
+	bx lr
+	thumb_func_end nullsub_179
+
+	thumb_func_start sub_800CA38
+sub_800CA38:
+	push {r4,lr}
+	adds r4, r0, 0
+	bl sub_800CA9C
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800CA54
+	lsls r0, r4, 16
+	lsrs r0, 16
+	bl sub_800CAE0
+	lsls r0, 16
+	cmp r0, 0
+	beq _0800CA70
+_0800CA54:
+	adds r0, r4, 0
+	bl sub_800CACC
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800CA74
+	lsls r0, r4, 16
+	lsrs r0, 16
+	bl sub_800CAE0
+	lsls r0, 16
+	lsrs r0, 16
+	cmp r0, 0x1
+	bne _0800CA90
+_0800CA70:
+	movs r0, 0x1
+	b _0800CA92
+_0800CA74:
+	adds r0, r4, 0
+	bl sub_800CAAC
+	lsls r0, 24
+	cmp r0, 0
+	beq _0800CA90
+	lsls r0, r4, 16
+	lsrs r0, 16
+	bl sub_800CAE0
+	lsls r0, 16
+	lsrs r0, 16
+	cmp r0, 0x1
+	bhi _0800CA70
+_0800CA90:
+	movs r0, 0
+_0800CA92:
+	pop {r4}
+	pop {r1}
+	bx r1
+	thumb_func_end sub_800CA38
+
+	thumb_func_start nullsub_19
+nullsub_19:
+	bx lr
+	thumb_func_end nullsub_19
+
+	thumb_func_start sub_800CA9C
+sub_800CA9C:
+	push {lr}
+	cmp r0, 0x80
+	bls _0800CAA6
+	movs r0, 0
+	b _0800CAA8
+_0800CAA6:
+	movs r0, 0x1
+_0800CAA8:
+	pop {r1}
+	bx r1
+	thumb_func_end sub_800CA9C
+
+	thumb_func_start sub_800CAAC
+sub_800CAAC:
+	push {lr}
+	ldr r1, _0800CABC
+	adds r0, r1
+	ldr r1, _0800CAC0
+	cmp r0, r1
+	bls _0800CAC4
+	movs r0, 0
+	b _0800CAC6
+	.align 2, 0
+_0800CABC: .4byte 0xfffffed4
+_0800CAC0: .4byte 0x0000027f
+_0800CAC4:
+	movs r0, 0x1
+_0800CAC6:
+	pop {r1}
+	bx r1
+	thumb_func_end sub_800CAAC
+
+	thumb_func_start sub_800CACC
+sub_800CACC:
+	push {lr}
+	subs r0, 0xC8
+	cmp r0, 0x13
+	bls _0800CAD8
+	movs r0, 0
+	b _0800CADA
+_0800CAD8:
+	movs r0, 0x1
+_0800CADA:
+	pop {r1}
+	bx r1
+	thumb_func_end sub_800CACC
+
+	thumb_func_start sub_800CAE0
+sub_800CAE0:
+	lsls r0, 16
+	ldr r1, _0800CAEC
+	lsrs r0, 13
+	adds r0, r1
+	ldrh r0, [r0, 0x4]
+	bx lr
+	.align 2, 0
+_0800CAEC: .4byte gSongTable
+	thumb_func_end sub_800CAE0
+
+	thumb_func_start sub_800CAF0
+sub_800CAF0:
+	push {lr}
+	lsls r0, 16
+	lsrs r0, 16
+	ldr r2, _0800CB0C
+	lsls r1, r0, 1
+	adds r1, r0
+	lsls r1, 2
+	adds r1, r2
+	ldr r0, [r1]
+	ldrh r0, [r0, 0x4]
+	cmp r0, 0
+	beq _0800CB10
+	movs r0, 0x1
+	b _0800CB12
+	.align 2, 0
+_0800CB0C: .4byte gMPlayTable
+_0800CB10:
+	movs r0, 0
+_0800CB12:
+	pop {r1}
+	bx r1
+	thumb_func_end sub_800CAF0
+
+	thumb_func_start nullsub_20
+nullsub_20:
+	bx lr
+	thumb_func_end nullsub_20
+
+	thumb_func_start nullsub_21
+nullsub_21:
+	bx lr
+	thumb_func_end nullsub_21
+
+	thumb_func_start sub_800CB20
+sub_800CB20:
+	push {lr}
+	bl sub_800BA5C
+	ldr r1, _0800CB48
+	ldr r0, [r1]
+	adds r0, 0x1
+	str r0, [r1]
+	ldr r0, _0800CB4C
+	ldrh r1, [r0]
+	movs r0, 0x5
+	ands r0, r1
+	cmp r0, 0
+	beq _0800CB3E
+	bl Random
+_0800CB3E:
+	bl Random
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800CB48: .4byte gUnknown_203B0B8
+_0800CB4C: .4byte gUnknown_203B0BC
+	thumb_func_end sub_800CB20
+
+	thumb_func_start sub_800CB50
+sub_800CB50:
+	ldr r0, _0800CB58
+	ldr r0, [r0]
+	bx lr
+	.align 2, 0
+_0800CB58: .4byte gUnknown_203B0B8
+	thumb_func_end sub_800CB50
+
+	thumb_func_start nullsub_180
+nullsub_180:
+	bx lr
+	thumb_func_end nullsub_180
+
+	thumb_func_start xxx_call_update_bg_sound_input
+xxx_call_update_bg_sound_input:
+	push {lr}
+	bl xxx_update_bg_sound_input
+	pop {r0}
+	bx r0
+	thumb_func_end xxx_call_update_bg_sound_input
+
+	thumb_func_start nullsub_181
+nullsub_181:
+	bx lr
+	thumb_func_end nullsub_181
+
+	thumb_func_start sub_800CB70
+sub_800CB70:
+	movs r0, 0
+	bx lr
+	thumb_func_end sub_800CB70
+
+	thumb_func_start ReadKeyInput
+ReadKeyInput:
+	push {r4,lr}
+	adds r2, r0, 0
+	ldr r0, _0800CC38
+	ldrh r1, [r0]
+	ldr r3, _0800CC3C
+	adds r0, r3, 0
+	adds r3, r0, 0
+	eors r3, r1
+	movs r0, 0
+	strh r0, [r2]
+	movs r1, 0x40
+	adds r0, r3, 0
+	ands r0, r1
+	cmp r0, 0
+	beq _0800CB94
+	strh r1, [r2]
+_0800CB94:
+	movs r0, 0x80
+	ands r0, r3
+	cmp r0, 0
+	beq _0800CBA4
+	ldrh r0, [r2]
+	movs r1, 0x80
+	orrs r0, r1
+	strh r0, [r2]
+_0800CBA4:
+	movs r0, 0x20
+	ands r0, r3
+	cmp r0, 0
+	beq _0800CBB4
+	ldrh r0, [r2]
+	movs r1, 0x20
+	orrs r0, r1
+	strh r0, [r2]
+_0800CBB4:
+	movs r0, 0x10
+	ands r0, r3
+	cmp r0, 0
+	beq _0800CBC4
+	ldrh r0, [r2]
+	movs r1, 0x10
+	orrs r0, r1
+	strh r0, [r2]
+_0800CBC4:
+	movs r0, 0x1
+	ands r0, r3
+	cmp r0, 0
+	beq _0800CBD4
+	ldrh r0, [r2]
+	movs r1, 0x1
+	orrs r0, r1
+	strh r0, [r2]
+_0800CBD4:
+	movs r0, 0x2
+	ands r0, r3
+	cmp r0, 0
+	beq _0800CBE4
+	ldrh r0, [r2]
+	movs r1, 0x2
+	orrs r0, r1
+	strh r0, [r2]
+_0800CBE4:
+	movs r0, 0x8
+	ands r0, r3
+	cmp r0, 0
+	beq _0800CBF4
+	ldrh r0, [r2]
+	movs r1, 0x8
+	orrs r0, r1
+	strh r0, [r2]
+_0800CBF4:
+	movs r0, 0x4
+	ands r0, r3
+	cmp r0, 0
+	beq _0800CC04
+	ldrh r0, [r2]
+	movs r1, 0x4
+	orrs r0, r1
+	strh r0, [r2]
+_0800CC04:
+	movs r4, 0x80
+	lsls r4, 1
+	adds r0, r3, 0
+	ands r0, r4
+	cmp r0, 0
+	beq _0800CC18
+	ldrh r1, [r2]
+	adds r0, r4, 0
+	orrs r0, r1
+	strh r0, [r2]
+_0800CC18:
+	movs r4, 0x80
+	lsls r4, 2
+	adds r0, r3, 0
+	ands r0, r4
+	cmp r0, 0
+	beq _0800CC2C
+	ldrh r1, [r2]
+	adds r0, r4, 0
+	orrs r0, r1
+	strh r0, [r2]
+_0800CC2C:
+	ldr r0, _0800CC40
+	strh r3, [r0]
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800CC38: .4byte 0x04000130
+_0800CC3C: .4byte 0x000003ff
+_0800CC40: .4byte gUnknown_203B0BC
+	thumb_func_end ReadKeyInput
+
+	thumb_func_start sub_800CC44
+sub_800CC44:
+	push {lr}
+	adds r2, r1, 0
+	cmp r0, 0
+	bge _0800CC50
+	movs r0, 0
+	b _0800CC56
+_0800CC50:
+	cmp r0, 0x10
+	ble _0800CC56
+	movs r0, 0x10
+_0800CC56:
+	cmp r2, 0
+	bge _0800CC5E
+	movs r2, 0
+	b _0800CC64
+_0800CC5E:
+	cmp r2, 0x10
+	ble _0800CC64
+	movs r2, 0x10
+_0800CC64:
+	ldr r1, _0800CC7C
+	strb r0, [r1]
+	ldr r0, _0800CC80
+	strb r2, [r0]
+	ldr r2, _0800CC84
+	ldrb r1, [r1]
+	ldrb r0, [r0]
+	lsls r0, 8
+	orrs r1, r0
+	strh r1, [r2]
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800CC7C: .4byte gUnknown_202D6B8
+_0800CC80: .4byte gUnknown_202D6B9
+_0800CC84: .4byte gUnknown_202D7FA
+	thumb_func_end sub_800CC44
+
+	thumb_func_start sub_800CC88
+sub_800CC88:
+	ldr r2, _0800CC90
+	strh r0, [r2, 0x4]
+	strh r1, [r2, 0x6]
+	bx lr
+	.align 2, 0
+_0800CC90: .4byte gUnknown_202D698
+	thumb_func_end sub_800CC88
+
+	thumb_func_start sub_800CC94
+sub_800CC94:
+	ldr r2, _0800CC9C
+	strh r0, [r2, 0x4]
+	strh r1, [r2, 0x6]
+	bx lr
+	.align 2, 0
+_0800CC9C: .4byte gUnknown_202D6A0
+	thumb_func_end sub_800CC94
+
+	thumb_func_start sub_800CCA0
+sub_800CCA0:
+	ldr r2, _0800CCA8
+	strh r0, [r2, 0x4]
+	strh r1, [r2, 0x6]
+	bx lr
+	.align 2, 0
+_0800CCA8: .4byte gUnknown_202D6A8
+	thumb_func_end sub_800CCA0
+
+	thumb_func_start sub_800CCAC
+sub_800CCAC:
+	ldr r2, _0800CCB4
+	strh r0, [r2, 0x4]
+	strh r1, [r2, 0x6]
+	bx lr
+	.align 2, 0
+_0800CCB4: .4byte gUnknown_202D6B0
+	thumb_func_end sub_800CCAC
+
+	thumb_func_start sub_800CCB8
+sub_800CCB8:
+	push {lr}
+	cmp r0, 0x1
+	beq _0800CCD4
+	cmp r0, 0x1
+	ble _0800CCCA
+	cmp r0, 0x2
+	beq _0800CCDE
+	cmp r0, 0x3
+	beq _0800CCE8
+_0800CCCA:
+	adds r0, r1, 0
+	adds r1, r2, 0
+	bl sub_800CC88
+	b _0800CCF0
+_0800CCD4:
+	adds r0, r1, 0
+	adds r1, r2, 0
+	bl sub_800CC94
+	b _0800CCF0
+_0800CCDE:
+	adds r0, r1, 0
+	adds r1, r2, 0
+	bl sub_800CCA0
+	b _0800CCF0
+_0800CCE8:
+	adds r0, r1, 0
+	adds r1, r2, 0
+	bl sub_800CCAC
+_0800CCF0:
+	pop {r0}
+	bx r0
+	thumb_func_end sub_800CCB8
+
+	thumb_func_start sub_800CCF4
+sub_800CCF4:
+	push {lr}
+	cmp r0, 0x1
+	beq _0800CD10
+	cmp r0, 0x1
+	ble _0800CD06
+	cmp r0, 0x2
+	beq _0800CD18
+	cmp r0, 0x3
+	beq _0800CD20
+_0800CD06:
+	ldr r0, _0800CD0C
+	b _0800CD22
+	.align 2, 0
+_0800CD0C: .4byte gUnknown_202D698
+_0800CD10:
+	ldr r0, _0800CD14
+	b _0800CD22
+	.align 2, 0
+_0800CD14: .4byte gUnknown_202D6A0
+_0800CD18:
+	ldr r0, _0800CD1C
+	b _0800CD22
+	.align 2, 0
+_0800CD1C: .4byte gUnknown_202D6A8
+_0800CD20:
+	ldr r0, _0800CD28
+_0800CD22:
+	strh r1, [r0, 0x4]
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800CD28: .4byte gUnknown_202D6B0
+	thumb_func_end sub_800CCF4
+
+	thumb_func_start sub_800CD2C
+sub_800CD2C:
+	push {lr}
+	cmp r0, 0x1
+	beq _0800CD48
+	cmp r0, 0x1
+	ble _0800CD3E
+	cmp r0, 0x2
+	beq _0800CD50
+	cmp r0, 0x3
+	beq _0800CD58
+_0800CD3E:
+	ldr r0, _0800CD44
+	b _0800CD5A
+	.align 2, 0
+_0800CD44: .4byte gUnknown_202D698
+_0800CD48:
+	ldr r0, _0800CD4C
+	b _0800CD5A
+	.align 2, 0
+_0800CD4C: .4byte gUnknown_202D6A0
+_0800CD50:
+	ldr r0, _0800CD54
+	b _0800CD5A
+	.align 2, 0
+_0800CD54: .4byte gUnknown_202D6A8
+_0800CD58:
+	ldr r0, _0800CD60
+_0800CD5A:
+	strh r1, [r0, 0x6]
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800CD60: .4byte gUnknown_202D6B0
+	thumb_func_end sub_800CD2C
+
+	thumb_func_start sub_800CD64
+sub_800CD64:
+	ldr r2, _0800CD7C
+	strb r1, [r2]
+	ldr r2, _0800CD80
+	negs r1, r0
+	orrs r1, r0
+	asrs r1, 31
+	movs r3, 0x80
+	lsls r3, 8
+	adds r0, r3, 0
+	ands r1, r0
+	strh r1, [r2, 0x2]
+	bx lr
+	.align 2, 0
+_0800CD7C: .4byte gUnknown_202D7FE
+_0800CD80: .4byte gUnknown_202D6A8
+	thumb_func_end sub_800CD64
+
+	thumb_func_start SetBGOBJEnableFlags
+SetBGOBJEnableFlags:
+	push {r4,lr}
+	movs r3, 0x80
+	lsls r3, 19
+	ldrh r1, [r3]
+	ldr r2, _0800CDA4
+	ands r2, r1
+	lsls r0, 8
+	movs r4, 0xF8
+	lsls r4, 5
+	adds r1, r4, 0
+	bics r1, r0
+	orrs r2, r1
+	strh r2, [r3]
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800CDA4: .4byte 0x0000e0ff
+	thumb_func_end SetBGOBJEnableFlags
+
+	thumb_func_start sub_800CDA8
+sub_800CDA8:
+	ldr r1, _0800CDBC
+	str r0, [r1]
+	ldr r2, _0800CDC0
+	ldr r1, _0800CDC4
+	lsls r0, 1
+	adds r0, r1
+	ldrh r0, [r0]
+	strh r0, [r2]
+	bx lr
+	.align 2, 0
+_0800CDBC: .4byte gUnknown_202D800
+_0800CDC0: .4byte gUnknown_202D7FC
+_0800CDC4: .4byte gUnknown_203B0BE
+	thumb_func_end sub_800CDA8
+
+	thumb_func_start sub_800CDC8
+sub_800CDC8:
+	ldr r0, _0800CDD0
+	ldr r0, [r0]
+	bx lr
+	.align 2, 0
+_0800CDD0: .4byte gUnknown_202D800
+	thumb_func_end sub_800CDC8
+
+	thumb_func_start SetWindowTitle
+SetWindowTitle:
+	bx lr
+	thumb_func_end SetWindowTitle
+
+	thumb_func_start nullsub_23
+nullsub_23:
+	bx lr
+	thumb_func_end nullsub_23
+
+	thumb_func_start nullsub_182
+nullsub_182:
+	bx lr
+	thumb_func_end nullsub_182
+
+	thumb_func_start sub_800CDE0
+sub_800CDE0:
+	movs r0, 0x1
+	bx lr
+	thumb_func_end sub_800CDE0
+
+	thumb_func_start CpuCopy
+CpuCopy:
+	push {lr}
+	adds r3, r0, 0
+	cmp r2, 0
+	bge _0800CDEE
+	adds r2, 0x3
+_0800CDEE:
+	lsls r2, 9
+	lsrs r2, 11
+	movs r0, 0x80
+	lsls r0, 19
+	orrs r2, r0
+	adds r0, r1, 0
+	adds r1, r3, 0
+	bl CpuSet
+	pop {r0}
+	bx r0
+	thumb_func_end CpuCopy
+
+	thumb_func_start CpuClear
+CpuClear:
+	push {lr}
+	sub sp, 0x4
+	adds r3, r0, 0
+	movs r0, 0
+	str r0, [sp]
+	cmp r1, 0
+	bge _0800CE14
+	adds r1, 0x3
+_0800CE14:
+	lsls r2, r1, 9
+	lsrs r2, 11
+	movs r0, 0xA0
+	lsls r0, 19
+	orrs r2, r0
+	mov r0, sp
+	adds r1, r3, 0
+	bl CpuSet
+	add sp, 0x4
+	pop {r0}
+	bx r0
+	thumb_func_end CpuClear
+
+	thumb_func_start CpuFill
+CpuFill:
+	push {lr}
+	sub sp, 0x4
+	adds r3, r0, 0
+	str r1, [sp]
+	cmp r2, 0
+	bge _0800CE3A
+	adds r2, 0x3
+_0800CE3A:
+	lsls r2, 9
+	lsrs r2, 11
+	movs r0, 0xA0
+	lsls r0, 19
+	orrs r2, r0
+	mov r0, sp
+	adds r1, r3, 0
+	bl CpuSet
+	add sp, 0x4
+	pop {r0}
+	bx r0
+	thumb_func_end CpuFill
+
+	thumb_func_start sub_800CE54
+sub_800CE54:
+	push {lr}
+	ldr r2, _0800CEC0
+	ldrh r0, [r2]
+	movs r3, 0x80
+	lsls r3, 8
+	adds r1, r3, 0
+	orrs r0, r1
+	ldr r1, _0800CEC4
+	ands r0, r1
+	strh r0, [r2]
+	mov r8, r8
+	mov r8, r8
+	mov r8, r8
+	mov r8, r8
+	ldr r1, _0800CEC8
+	ands r0, r1
+	strh r0, [r2]
+	ldr r1, _0800CECC
+	ldr r2, _0800CED0
+	adds r0, r2, 0
+	strh r0, [r1]
+	adds r1, 0x2
+	movs r0, 0x3D
+	strh r0, [r1]
+	adds r1, 0x6
+	ldr r0, _0800CED4
+	ldrh r0, [r0]
+	strh r0, [r1]
+	adds r1, 0x2
+	ldr r0, _0800CED8
+	ldrh r0, [r0]
+	strh r0, [r1]
+	ldr r0, _0800CEDC
+	ldrb r1, [r0]
+	cmp r1, 0
+	beq _0800CEF4
+	ldr r1, _0800CEE0
+	ldr r0, _0800CEE4
+	ldr r2, [r0]
+	adds r0, r2, 0x4
+	str r0, [r1]
+	ldr r3, _0800CEE8
+	str r3, [r1, 0x4]
+	ldr r0, _0800CEEC
+	str r0, [r1, 0x8]
+	ldr r0, [r1, 0x8]
+	ldrh r0, [r2]
+	strh r0, [r3]
+	subs r1, 0x6E
+	ldrh r0, [r2, 0x2]
+	strh r0, [r1]
+	ldr r0, _0800CEF0
+	movs r1, 0xA0
+	b _0800CEFE
+	.align 2, 0
+_0800CEC0: .4byte 0x040000ba
+_0800CEC4: .4byte 0x0000cdff
+_0800CEC8: .4byte 0x00007fff
+_0800CECC: .4byte 0x04000048
+_0800CED0: .4byte 0x00003f3f
+_0800CED4: .4byte gUnknown_202D7FC
+_0800CED8: .4byte gUnknown_202D7FA
+_0800CEDC: .4byte gUnknown_2026E38
+_0800CEE0: .4byte 0x040000b0
+_0800CEE4: .4byte gUnknown_2026E3C
+_0800CEE8: .4byte 0x04000040
+_0800CEEC: .4byte 0xa2600002
+_0800CEF0: .4byte 0x04000044
+_0800CEF4:
+	ldr r0, _0800CF08
+	strh r1, [r0]
+	adds r0, 0x2
+	strh r1, [r0]
+	adds r0, 0x2
+_0800CEFE:
+	strh r1, [r0]
+	adds r0, 0x2
+	strh r1, [r0]
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800CF08: .4byte 0x04000040
+	thumb_func_end sub_800CE54
+
+	.align 2, 0 @ Don't pad with nop.
diff --git a/ld_script.txt b/ld_script.txt
index b9dff25..b8f9021 100755
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -70,6 +70,8 @@ SECTIONS {
         asm/code_800AAA0.o(.text);
         src/main.o(.text);
         asm/code_800B540.o(.text);
+        src/code_800B5F0.o(.text);
+        asm/code_800B5F0.o(.text);
         src/flash.o(.text);
         asm/code_800D090.o(.text);
         src/code_80118A4.o(.text);
diff --git a/src/code_800B5F0.c b/src/code_800B5F0.c
new file mode 100644
index 0000000..4c111b0
--- /dev/null
+++ b/src/code_800B5F0.c
@@ -0,0 +1,71 @@
+#include "global.h"
+
+#include "global.h"
+
+extern u8 gUnknown_203B098;
+
+u8 sub_800B5F0(void)
+{
+    if(gUnknown_203B098 == 0)
+    {
+        return 0;
+    }
+
+    if((REG_IME & 1) != 0)
+    {
+        return 0;
+    }
+    else
+    {
+        REG_IME = 1;
+        return 1;
+    }
+}
+
+u8 sub_800B620(void)
+{
+    if(gUnknown_203B098 == 0)
+    {
+        return 0;
+    }
+
+    if((REG_IME & 1) == 0)
+    {
+        return 0;
+    }
+    else
+    {
+        REG_IME = 0;
+        return 1;
+    }
+
+}
+
+u8 sub_800B650(void)
+{
+    if(gUnknown_203B098 == 0)
+    {
+        return 0;
+    }
+
+    if((REG_IME & 1) != 0)
+    {
+        return 0;
+    }
+    else
+    {
+        return 1;
+    }
+}
+
+void sub_800B67C(u16 r0)
+{
+    if(gUnknown_203B098 == 0)
+    {
+        return;
+    }
+
+    REG_IME = 0;
+    INTR_CHECK |= r0;
+    REG_IME = 1;
+}