split file_system.s

4 files changed, 1483 insertions, 1465 deletions

diff --git a/asm/code_8006218.s b/asm/code_8006218.s
index 4ebdc6f..5fa5322 100644
--- a/asm/code_8006218.s
+++ b/asm/code_8006218.s
@@ -9821,1469 +9821,4 @@ _0800A8BC: .4byte 0x0000012b
 _0800A8C0: .4byte gUnknown_80B96E4
 	thumb_func_end sub_800A894
 
-	thumb_func_start InitFileSystem
-InitFileSystem:
-	push {r4,lr}
-	ldr r3, _0800A8EC
-	ldr r4, _0800A8F0
-	movs r2, 0
-	ldr r0, _0800A8F4
-	movs r1, 0x3F
-_0800A8D0:
-	str r2, [r0]
-	str r2, [r0, 0x4]
-	adds r0, 0x8
-	subs r1, 0x1
-	cmp r1, 0
-	bge _0800A8D0
-	movs r0, 0
-	str r0, [r3]
-	movs r0, 0x1
-	str r0, [r4]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800A8EC: .4byte gUnknown_203B094
-_0800A8F0: .4byte gUnknown_202D2A4
-_0800A8F4: .4byte gUnknown_202D2A8
-	thumb_func_end InitFileSystem
-
-	thumb_func_start sub_800A8F8
-sub_800A8F8:
-	ldr r1, _0800A904
-	ldr r2, [r1]
-	str r0, [r1]
-	adds r0, r2, 0
-	bx lr
-	.align 2, 0
-_0800A904: .4byte gUnknown_202D2A4
-	thumb_func_end sub_800A8F8
-
-	thumb_func_start OpenFile
-OpenFile:
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	sub sp, 0x12C
-	mov r8, r0
-	adds r4, r1, 0
-	ldr r1, _0800A93C
-	adds r0, r4, 0
-	bl strcmp
-	cmp r0, 0
-	beq _0800A922
-	movs r0, 0x1
-_0800A922:
-	movs r1, 0
-	lsls r0, 24
-	cmp r0, 0
-	bne _0800A92C
-	movs r1, 0x1
-_0800A92C:
-	cmp r1, 0
-	beq _0800A9B6
-	ldr r7, [r4, 0xC]
-	movs r6, 0
-	ldr r0, [r4, 0x8]
-	subs r5, r0, 0x1
-	b _0800A94A
-	.align 2, 0
-_0800A93C: .4byte gUnknown_80B9B94
-_0800A940:
-	cmp r0, 0
-	bge _0800A948
-	adds r6, r4, 0x1
-	b _0800A94A
-_0800A948:
-	adds r5, r4, 0
-_0800A94A:
-	cmp r6, r5
-	bge _0800A968
-	adds r0, r6, r5
-	lsrs r1, r0, 31
-	adds r0, r1
-	asrs r4, r0, 1
-	lsls r0, r4, 3
-	adds r0, r7
-	ldr r0, [r0]
-	mov r1, r8
-	bl strcmp
-	cmp r0, 0
-	bne _0800A940
-	adds r6, r4, 0
-_0800A968:
-	lsls r0, r6, 3
-	adds r6, r7, r0
-	ldr r0, [r6]
-	mov r1, r8
-	bl strcmp
-	cmp r0, 0
-	beq _0800A994
-	ldr r1, _0800A984
-	mov r0, sp
-	mov r2, r8
-	bl sprintf
-	b _0800A9B6
-	.align 2, 0
-_0800A984: .4byte gUnknown_80B9B9C
-_0800A988:
-	str r6, [r2]
-	adds r0, r7, 0x4
-	adds r0, r3, r0
-	str r1, [r0]
-	adds r0, r2, 0
-	b _0800A9B8
-_0800A994:
-	ldr r0, _0800A9C4
-	ldr r0, [r0]
-	movs r4, 0
-	ldr r5, _0800A9C8
-	adds r7, r5, 0
-_0800A99E:
-	adds r0, 0x1
-	cmp r0, 0x3F
-	ble _0800A9A6
-	movs r0, 0
-_0800A9A6:
-	lsls r3, r0, 3
-	adds r2, r3, r5
-	ldr r1, [r2]
-	cmp r1, 0
-	beq _0800A988
-	adds r4, 0x1
-	cmp r4, 0x3F
-	ble _0800A99E
-_0800A9B6:
-	movs r0, 0
-_0800A9B8:
-	add sp, 0x12C
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0800A9C4: .4byte gUnknown_203B094
-_0800A9C8: .4byte gUnknown_202D2A8
-	thumb_func_end OpenFile
-
-	thumb_func_start GetFileDataPtrFromFileEntry
-GetFileDataPtrFromFileEntry:
-	ldr r1, [r0]
-	ldr r1, [r1, 0x4]
-	str r1, [r0, 0x4]
-	adds r0, r1, 0
-	bx lr
-	thumb_func_end GetFileDataPtrFromFileEntry
-
-	thumb_func_start GetFileDataPtr
-GetFileDataPtr:
-	push {r4,lr}
-	adds r4, r0, 0
-	bl GetFileDataPtrFromFileEntry
-	adds r0, r4, 0
-	bl GetSiroPtr
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end GetFileDataPtr
-
-	thumb_func_start OpenFileAndGetFileDataPtr
-OpenFileAndGetFileDataPtr:
-	push {r4,lr}
-	bl OpenFile
-	adds r4, r0, 0
-	cmp r4, 0
-	beq _0800A9FE
-	movs r1, 0
-	bl GetFileDataPtr
-_0800A9FE:
-	adds r0, r4, 0
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end OpenFileAndGetFileDataPtr
-
-	thumb_func_start Call_OpenFileAndGetFileDataPtr
-Call_OpenFileAndGetFileDataPtr:
-	push {lr}
-	bl OpenFileAndGetFileDataPtr
-	pop {r1}
-	bx r1
-	thumb_func_end Call_OpenFileAndGetFileDataPtr
-
-	thumb_func_start CloseFile
-CloseFile:
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	movs r1, 0
-	ldr r0, _0800AA30
-	movs r3, 0
-	ldr r5, _0800AA34
-	adds r2, r0, 0x4
-_0800AA22:
-	cmp r0, r4
-	bne _0800AA38
-	str r3, [r0]
-	str r3, [r2]
-	str r1, [r5]
-	b _0800AA42
-	.align 2, 0
-_0800AA30: .4byte gUnknown_202D2A8
-_0800AA34: .4byte gUnknown_203B094
-_0800AA38:
-	adds r2, 0x8
-	adds r0, 0x8
-	adds r1, 0x1
-	cmp r1, 0x3F
-	ble _0800AA22
-_0800AA42:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	thumb_func_end CloseFile
-
-	thumb_func_start GetSiroPtr
-GetSiroPtr:
-	push {r4,r5,lr}
-	adds r5, r0, 0
-	ldr r4, [r5, 0x4]
-	ldr r1, [r4]
-	ldr r0, _0800AA60
-	cmp r1, r0
-	beq _0800AA68
-	ldr r0, _0800AA64
-	cmp r1, r0
-	beq _0800AA6E
-	adds r0, r4, 0
-	b _0800AA72
-	.align 2, 0
-_0800AA60: .4byte 0x30524953
-_0800AA64: .4byte 0x4f524953
-_0800AA68:
-	adds r0, r4, 0
-	bl NDS_DecompressRLE
-_0800AA6E:
-	ldr r0, [r4, 0x4]
-	str r0, [r5, 0x4]
-_0800AA72:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end GetSiroPtr
-
-	thumb_func_start UnusedGetSir0Ptr
-UnusedGetSir0Ptr:
-	push {r4,lr}
-	adds r4, r0, 0
-	ldr r1, [r4]
-	ldr r0, _0800AA90
-	cmp r1, r0
-	bne _0800AA94
-	adds r0, r4, 0
-	bl NDS_DecompressRLE
-	ldr r0, [r4, 0x4]
-	b _0800AA96
-	.align 2, 0
-_0800AA90: .4byte 0x30524953
-_0800AA94:
-	adds r0, r4, 0
-_0800AA96:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end UnusedGetSir0Ptr
-
-	thumb_func_start NDS_DecompressRLE
-NDS_DecompressRLE:
-	bx lr
-	thumb_func_end NDS_DecompressRLE
-
-	thumb_func_start nullsub_16
-nullsub_16:
-	bx lr
-	thumb_func_end nullsub_16
-
-	thumb_func_start nullsub_175
-nullsub_175:
-	bx lr
-	thumb_func_end nullsub_175
-
-	thumb_func_start sub_800AAA8
-sub_800AAA8:
-	push {lr}
-	ldr r2, [r2, 0x4]
-	bl sub_800AAB4
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800AAA8
-
-	thumb_func_start sub_800AAB4
-sub_800AAB4:
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x2C
-	mov r12, r0
-	str r1, [sp, 0x24]
-	mov r8, r2
-	ldrb r0, [r2, 0x5]
-	ldrb r1, [r2, 0x6]
-	lsls r1, 8
-	adds r0, r1
-	str r0, [sp, 0x28]
-	movs r6, 0
-	mov r10, r6
-	movs r0, 0x8
-	mov r9, r0
-	ldrb r0, [r2]
-	cmp r0, 0x41
-	bne _0800AB04
-	ldrb r0, [r2, 0x1]
-	adds r1, r0, 0
-	cmp r1, 0x54
-	bne _0800AB0C
-	ldrb r0, [r2, 0x2]
-	cmp r0, 0x34
-	bne _0800AB0C
-	ldrb r0, [r2, 0x3]
-	cmp r0, 0x50
-	bne _0800AB0C
-	ldrb r1, [r2, 0x10]
-	ldrb r0, [r2, 0x11]
-	lsls r0, 8
-	adds r1, r0
-	ldr r2, [sp, 0x24]
-	cmp r2, 0
-	beq _0800AB08
-	cmp r2, r1
-	beq _0800AB08
-_0800AB04:
-	movs r0, 0
-	b _0800AE16
-_0800AB08:
-	movs r1, 0x12
-	b _0800AB26
-_0800AB0C:
-	mov r3, r8
-	ldrb r0, [r3]
-	cmp r0, 0x41
-	bne _0800AB04
-	cmp r1, 0x54
-	bne _0800AB04
-	ldrb r0, [r3, 0x2]
-	cmp r0, 0x33
-	bne _0800AB04
-	ldrb r0, [r3, 0x3]
-	cmp r0, 0x50
-	bne _0800AB04
-	movs r1, 0x10
-_0800AB26:
-	mov r2, r8
-	ldrb r0, [r2, 0x4]
-	cmp r0, 0x4E
-	bne _0800AB4A
-	movs r7, 0
-	b _0800AB40
-_0800AB32:
-	mov r1, r12
-	adds r0, r1, r7
-	mov r2, r8
-	adds r1, r7, r2
-	ldrb r1, [r1, 0x7]
-	strb r1, [r0]
-	adds r7, 0x1
-_0800AB40:
-	ldr r3, [sp, 0x28]
-	cmp r7, r3
-	blt _0800AB32
-	adds r0, r7, 0
-	b _0800AE16
-_0800AB4A:
-	mov r2, r8
-	ldrb r0, [r2, 0x7]
-	adds r0, 0x3
-	str r0, [sp]
-	ldrb r0, [r2, 0x8]
-	adds r0, 0x3
-	str r0, [sp, 0x4]
-	ldrb r0, [r2, 0x9]
-	adds r0, 0x3
-	str r0, [sp, 0x8]
-	ldrb r0, [r2, 0xA]
-	adds r0, 0x3
-	str r0, [sp, 0xC]
-	ldrb r0, [r2, 0xB]
-	adds r0, 0x3
-	str r0, [sp, 0x10]
-	ldrb r0, [r2, 0xC]
-	adds r0, 0x3
-	str r0, [sp, 0x14]
-	ldrb r0, [r2, 0xD]
-	adds r0, 0x3
-	str r0, [sp, 0x18]
-	ldrb r0, [r2, 0xE]
-	adds r0, 0x3
-	str r0, [sp, 0x1C]
-	ldrb r0, [r2, 0xF]
-	adds r0, 0x3
-	str r0, [sp, 0x20]
-	adds r7, r1, 0
-	ldr r3, [sp, 0x28]
-	cmp r7, r3
-	blt _0800AB8C
-	b _0800AE14
-_0800AB8C:
-	ldr r0, [sp, 0x24]
-	cmp r0, 0
-	beq _0800AB96
-	cmp r6, r0
-	bge _0800AB04
-_0800AB96:
-	mov r1, r9
-	cmp r1, 0x8
-	bne _0800ABAA
-	mov r2, r8
-	adds r0, r2, r7
-	ldrb r0, [r0]
-	mov r10, r0
-	adds r7, 0x1
-	movs r3, 0
-	mov r9, r3
-_0800ABAA:
-	movs r0, 0x80
-	mov r1, r10
-	ands r0, r1
-	cmp r0, 0
-	beq _0800ABB6
-	b _0800ADF0
-_0800ABB6:
-	mov r3, r8
-	adds r2, r3, r7
-	ldrb r1, [r2]
-	lsrs r0, r1, 4
-	adds r3, r0, 0x3
-	movs r0, 0xF
-	ands r0, r1
-	lsls r5, r0, 8
-	ldr r0, [sp]
-	cmp r3, r0
-	bne _0800ABCE
-	movs r3, 0x1F
-_0800ABCE:
-	ldr r0, [sp, 0x4]
-	cmp r3, r0
-	bne _0800ABD6
-	movs r3, 0x1E
-_0800ABD6:
-	ldr r0, [sp, 0x8]
-	cmp r3, r0
-	bne _0800ABDE
-	movs r3, 0x1D
-_0800ABDE:
-	ldr r0, [sp, 0xC]
-	cmp r3, r0
-	bne _0800ABE6
-	movs r3, 0x1C
-_0800ABE6:
-	ldr r0, [sp, 0x10]
-	cmp r3, r0
-	bne _0800ABEE
-	movs r3, 0x1B
-_0800ABEE:
-	ldr r0, [sp, 0x14]
-	cmp r3, r0
-	bne _0800ABF6
-	movs r3, 0x1A
-_0800ABF6:
-	ldr r0, [sp, 0x18]
-	cmp r3, r0
-	bne _0800ABFE
-	movs r3, 0x19
-_0800ABFE:
-	ldr r0, [sp, 0x1C]
-	cmp r3, r0
-	bne _0800AC06
-	movs r3, 0x18
-_0800AC06:
-	ldr r0, [sp, 0x20]
-	cmp r3, r0
-	bne _0800AC0E
-	movs r3, 0x17
-_0800AC0E:
-	adds r0, r3, 0
-	subs r0, 0x17
-	cmp r0, 0x8
-	bls _0800AC18
-	b _0800ADB0
-_0800AC18:
-	lsls r0, 2
-	ldr r1, _0800AC24
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_0800AC24: .4byte _0800AC28
-	.align 2, 0
-_0800AC28:
-	.4byte _0800AD7C
-	.4byte _0800AD48
-	.4byte _0800AD20
-	.4byte _0800ACFA
-	.4byte _0800ACD6
-	.4byte _0800ACB4
-	.4byte _0800AC8C
-	.4byte _0800AC66
-	.4byte _0800AC4C
-_0800AC4C:
-	ldrb r1, [r2]
-	movs r0, 0xF
-	adds r7, 0x1
-	mov r3, r12
-	adds r2, r3, r6
-	ands r0, r1
-	lsls r1, r0, 4
-	orrs r1, r0
-	strb r1, [r2]
-	adds r6, 0x1
-	adds r0, r3, r6
-	strb r1, [r0]
-	b _0800ADA4
-_0800AC66:
-	ldrb r0, [r2]
-	movs r5, 0xF
-	ands r5, r0
-	adds r7, 0x1
-	mov r1, r12
-	adds r3, r1, r6
-	movs r2, 0xF
-	lsls r0, r5, 4
-	adds r1, r5, 0x1
-	ands r1, r2
-	orrs r0, r1
-	strb r0, [r3]
-	adds r6, 0x1
-	mov r3, r12
-	adds r2, r3, r6
-	lsls r0, r1, 4
-	orrs r0, r1
-	strb r0, [r2]
-	b _0800ADA4
-_0800AC8C:
-	ldrb r0, [r2]
-	movs r3, 0xF
-	movs r5, 0xF
-	ands r5, r0
-	adds r7, 0x1
-	mov r1, r12
-	adds r4, r1, r6
-	adds r2, r5, 0
-	ands r2, r3
-	lsls r1, r2, 4
-	subs r0, r5, 0x1
-	ands r0, r3
-	orrs r0, r1
-	strb r0, [r4]
-	adds r6, 0x1
-	mov r3, r12
-	adds r0, r3, r6
-	orrs r1, r2
-	strb r1, [r0]
-	b _0800ADA4
-_0800ACB4:
-	ldrb r0, [r2]
-	movs r3, 0xF
-	movs r5, 0xF
-	ands r5, r0
-	adds r7, 0x1
-	mov r1, r12
-	adds r2, r1, r6
-	adds r1, r5, 0
-	ands r1, r3
-	lsls r0, r1, 4
-	orrs r0, r1
-	strb r0, [r2]
-	adds r6, 0x1
-	mov r0, r12
-	adds r2, r0, r6
-	subs r0, r5, 0x1
-	b _0800AD68
-_0800ACD6:
-	ldrb r0, [r2]
-	movs r4, 0xF
-	movs r5, 0xF
-	ands r5, r0
-	adds r7, 0x1
-	mov r2, r12
-	adds r3, r2, r6
-	adds r1, r5, 0
-	ands r1, r4
-	lsls r2, r1, 4
-	adds r0, r2, 0
-	orrs r0, r1
-	strb r0, [r3]
-	adds r6, 0x1
-	mov r3, r12
-	adds r1, r3, r6
-	subs r0, r5, 0x1
-	b _0800AD9E
-_0800ACFA:
-	ldrb r0, [r2]
-	movs r5, 0xF
-	ands r5, r0
-	adds r7, 0x1
-	mov r1, r12
-	adds r3, r1, r6
-	movs r2, 0xF
-	lsls r0, r5, 4
-	subs r1, r5, 0x1
-	ands r1, r2
-	orrs r0, r1
-	strb r0, [r3]
-	adds r6, 0x1
-	mov r3, r12
-	adds r2, r3, r6
-	lsls r0, r1, 4
-	orrs r0, r1
-	strb r0, [r2]
-	b _0800ADA4
-_0800AD20:
-	ldrb r0, [r2]
-	movs r3, 0xF
-	movs r5, 0xF
-	ands r5, r0
-	adds r7, 0x1
-	mov r1, r12
-	adds r4, r1, r6
-	adds r2, r5, 0
-	ands r2, r3
-	lsls r1, r2, 4
-	adds r0, r5, 0x1
-	ands r0, r3
-	orrs r0, r1
-	strb r0, [r4]
-	adds r6, 0x1
-	mov r3, r12
-	adds r0, r3, r6
-	orrs r1, r2
-	strb r1, [r0]
-	b _0800ADA4
-_0800AD48:
-	ldrb r0, [r2]
-	movs r3, 0xF
-	movs r5, 0xF
-	ands r5, r0
-	adds r7, 0x1
-	mov r1, r12
-	adds r2, r1, r6
-	adds r1, r5, 0
-	ands r1, r3
-	lsls r0, r1, 4
-	orrs r0, r1
-	strb r0, [r2]
-	adds r6, 0x1
-	mov r0, r12
-	adds r2, r0, r6
-	adds r0, r5, 0x1
-_0800AD68:
-	ands r0, r3
-	lsls r0, 4
-	orrs r0, r1
-	strb r0, [r2]
-	adds r6, 0x1
-	mov r4, r9
-	adds r4, 0x1
-	mov r1, r10
-	lsls r2, r1, 1
-	b _0800AE08
-_0800AD7C:
-	ldrb r0, [r2]
-	movs r4, 0xF
-	movs r5, 0xF
-	ands r5, r0
-	adds r7, 0x1
-	mov r2, r12
-	adds r3, r2, r6
-	adds r1, r5, 0
-	ands r1, r4
-	lsls r2, r1, 4
-	adds r0, r2, 0
-	orrs r0, r1
-	strb r0, [r3]
-	adds r6, 0x1
-	mov r3, r12
-	adds r1, r3, r6
-	adds r0, r5, 0x1
-_0800AD9E:
-	ands r0, r4
-	orrs r2, r0
-	strb r2, [r1]
-_0800ADA4:
-	adds r6, 0x1
-	mov r4, r9
-	adds r4, 0x1
-	mov r0, r10
-	lsls r2, r0, 1
-	b _0800AE08
-_0800ADB0:
-	adds r7, 0x1
-	mov r1, r8
-	adds r0, r1, r7
-	ldrb r0, [r0]
-	adds r5, r0
-	adds r7, 0x1
-	ldr r2, _0800ADEC
-	adds r0, r5, r2
-	adds r5, r0, r6
-	mov r4, r9
-	adds r4, 0x1
-	mov r0, r10
-	lsls r2, r0, 1
-	cmp r3, 0
-	beq _0800AE08
-_0800ADCE:
-	mov r1, r12
-	adds r1, r6
-	mov r10, r1
-	mov r0, r12
-	adds r0, r5
-	ldrb r1, [r0]
-	mov r0, r10
-	strb r1, [r0]
-	adds r6, 0x1
-	adds r5, 0x1
-	subs r3, 0x1
-	cmp r3, 0
-	bne _0800ADCE
-	b _0800AE08
-	.align 2, 0
-_0800ADEC: .4byte 0xfffff000
-_0800ADF0:
-	mov r1, r12
-	adds r0, r1, r6
-	mov r2, r8
-	adds r1, r2, r7
-	ldrb r1, [r1]
-	strb r1, [r0]
-	adds r6, 0x1
-	adds r7, 0x1
-	mov r4, r9
-	adds r4, 0x1
-	mov r3, r10
-	lsls r2, r3, 1
-_0800AE08:
-	mov r9, r4
-	mov r10, r2
-	ldr r0, [sp, 0x28]
-	cmp r7, r0
-	bge _0800AE14
-	b _0800AB8C
-_0800AE14:
-	adds r0, r6, 0
-_0800AE16:
-	add sp, 0x2C
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800AAB4
-
-	thumb_func_start sub_800AE28
-sub_800AE28:
-	push {lr}
-	ldr r2, [r2, 0x4]
-	bl sub_800AE34
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800AE28
-
-	thumb_func_start sub_800AE34
-sub_800AE34:
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x34
-	str r1, [sp, 0x24]
-	mov r10, r2
-	ldrb r2, [r2, 0x5]
-	mov r3, r10
-	ldrb r1, [r3, 0x6]
-	lsls r1, 8
-	adds r2, r1
-	str r2, [sp, 0x28]
-	movs r1, 0
-	mov r9, r1
-	movs r2, 0
-	str r2, [sp, 0x2C]
-	movs r3, 0x8
-	str r3, [sp, 0x30]
-	bl sub_800B1BC
-	mov r1, r10
-	ldrb r0, [r1]
-	cmp r0, 0x41
-	bne _0800AE90
-	ldrb r0, [r1, 0x1]
-	adds r1, r0, 0
-	cmp r1, 0x54
-	bne _0800AE98
-	mov r2, r10
-	ldrb r0, [r2, 0x2]
-	cmp r0, 0x34
-	bne _0800AE98
-	ldrb r0, [r2, 0x3]
-	cmp r0, 0x50
-	bne _0800AE98
-	ldrb r1, [r2, 0x10]
-	ldrb r0, [r2, 0x11]
-	lsls r0, 8
-	adds r1, r0
-	ldr r3, [sp, 0x24]
-	cmp r3, 0
-	beq _0800AE94
-	cmp r3, r1
-	beq _0800AE94
-_0800AE90:
-	movs r0, 0
-	b _0800B1AA
-_0800AE94:
-	movs r1, 0x12
-	b _0800AEB2
-_0800AE98:
-	mov r2, r10
-	ldrb r0, [r2]
-	cmp r0, 0x41
-	bne _0800AE90
-	cmp r1, 0x54
-	bne _0800AE90
-	ldrb r0, [r2, 0x2]
-	cmp r0, 0x33
-	bne _0800AE90
-	ldrb r0, [r2, 0x3]
-	cmp r0, 0x50
-	bne _0800AE90
-	movs r1, 0x10
-_0800AEB2:
-	mov r3, r10
-	ldrb r0, [r3, 0x4]
-	cmp r0, 0x4E
-	bne _0800AEE0
-	movs r0, 0
-	mov r8, r0
-	ldr r1, [sp, 0x28]
-	cmp r8, r1
-	bge _0800AED8
-_0800AEC4:
-	mov r0, r8
-	add r0, r10
-	ldrb r0, [r0, 0x7]
-	bl sub_800B220
-	movs r2, 0x1
-	add r8, r2
-	ldr r3, [sp, 0x28]
-	cmp r8, r3
-	blt _0800AEC4
-_0800AED8:
-	bl sub_800B270
-	mov r0, r8
-	b _0800B1AA
-_0800AEE0:
-	mov r2, r10
-	ldrb r0, [r2, 0x7]
-	adds r0, 0x3
-	str r0, [sp]
-	ldrb r0, [r2, 0x8]
-	adds r0, 0x3
-	str r0, [sp, 0x4]
-	ldrb r0, [r2, 0x9]
-	adds r0, 0x3
-	str r0, [sp, 0x8]
-	ldrb r0, [r2, 0xA]
-	adds r0, 0x3
-	str r0, [sp, 0xC]
-	ldrb r0, [r2, 0xB]
-	adds r0, 0x3
-	str r0, [sp, 0x10]
-	ldrb r0, [r2, 0xC]
-	adds r0, 0x3
-	str r0, [sp, 0x14]
-	ldrb r0, [r2, 0xD]
-	adds r0, 0x3
-	str r0, [sp, 0x18]
-	ldrb r0, [r2, 0xE]
-	adds r0, 0x3
-	str r0, [sp, 0x1C]
-	ldrb r0, [r2, 0xF]
-	adds r0, 0x3
-	str r0, [sp, 0x20]
-	mov r8, r1
-	ldr r3, [sp, 0x28]
-	cmp r8, r3
-	blt _0800AF22
-	b _0800B1A4
-_0800AF22:
-	ldr r0, [sp, 0x24]
-	cmp r0, 0
-	beq _0800AF2C
-	cmp r9, r0
-	bge _0800AE90
-_0800AF2C:
-	ldr r1, [sp, 0x30]
-	cmp r1, 0x8
-	bne _0800AF42
-	mov r0, r10
-	add r0, r8
-	ldrb r0, [r0]
-	str r0, [sp, 0x2C]
-	movs r2, 0x1
-	add r8, r2
-	movs r3, 0
-	str r3, [sp, 0x30]
-_0800AF42:
-	movs r0, 0x80
-	ldr r1, [sp, 0x2C]
-	ands r0, r1
-	cmp r0, 0
-	beq _0800AF4E
-	b _0800B180
-_0800AF4E:
-	mov r2, r10
-	add r2, r8
-	ldrb r1, [r2]
-	lsrs r0, r1, 4
-	adds r3, r0, 0x3
-	movs r0, 0xF
-	ands r0, r1
-	lsls r7, r0, 8
-	ldr r0, [sp]
-	cmp r3, r0
-	bne _0800AF66
-	movs r3, 0x1F
-_0800AF66:
-	ldr r0, [sp, 0x4]
-	cmp r3, r0
-	bne _0800AF6E
-	movs r3, 0x1E
-_0800AF6E:
-	ldr r0, [sp, 0x8]
-	cmp r3, r0
-	bne _0800AF76
-	movs r3, 0x1D
-_0800AF76:
-	ldr r0, [sp, 0xC]
-	cmp r3, r0
-	bne _0800AF7E
-	movs r3, 0x1C
-_0800AF7E:
-	ldr r0, [sp, 0x10]
-	cmp r3, r0
-	bne _0800AF86
-	movs r3, 0x1B
-_0800AF86:
-	ldr r0, [sp, 0x14]
-	cmp r3, r0
-	bne _0800AF8E
-	movs r3, 0x1A
-_0800AF8E:
-	ldr r0, [sp, 0x18]
-	cmp r3, r0
-	bne _0800AF96
-	movs r3, 0x19
-_0800AF96:
-	ldr r0, [sp, 0x1C]
-	cmp r3, r0
-	bne _0800AF9E
-	movs r3, 0x18
-_0800AF9E:
-	ldr r0, [sp, 0x20]
-	cmp r3, r0
-	bne _0800AFA6
-	movs r3, 0x17
-_0800AFA6:
-	adds r0, r3, 0
-	subs r0, 0x17
-	cmp r0, 0x8
-	bls _0800AFB0
-	b _0800B13C
-_0800AFB0:
-	lsls r0, 2
-	ldr r1, _0800AFBC
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_0800AFBC: .4byte _0800AFC0
-	.align 2, 0
-_0800AFC0:
-	.4byte _0800B104
-	.4byte _0800B0DE
-	.4byte _0800B0BA
-	.4byte _0800B090
-	.4byte _0800B06E
-	.4byte _0800B048
-	.4byte _0800B024
-	.4byte _0800AFFE
-	.4byte _0800AFE4
-_0800AFE4:
-	ldrb r0, [r2]
-	movs r1, 0xF
-	movs r2, 0x1
-	add r8, r2
-	ands r1, r0
-	lsls r4, r1, 4
-	orrs r4, r1
-	adds r0, r4, 0
-	bl sub_800B220
-	movs r3, 0x1
-	add r9, r3
-	b _0800B128
-_0800AFFE:
-	ldrb r0, [r2]
-	movs r6, 0xF
-	ands r6, r0
-	movs r2, 0x1
-	add r8, r2
-	movs r1, 0xF
-	lsls r0, r6, 4
-	adds r4, r6, 0x1
-	ands r4, r1
-	orrs r0, r4
-	bl sub_800B220
-	movs r3, 0x1
-	add r9, r3
-	lsls r0, r4, 4
-	orrs r0, r4
-	lsls r0, 24
-	lsrs r0, 24
-	b _0800B12A
-_0800B024:
-	ldrb r0, [r2]
-	movs r1, 0xF
-	movs r6, 0xF
-	ands r6, r0
-	movs r2, 0x1
-	add r8, r2
-	adds r5, r6, 0
-	ands r5, r1
-	lsls r4, r5, 4
-	subs r0, r6, 0x1
-	ands r0, r1
-	orrs r0, r4
-	bl sub_800B220
-	movs r3, 0x1
-	add r9, r3
-	orrs r4, r5
-	b _0800B128
-_0800B048:
-	ldrb r0, [r2]
-	movs r5, 0xF
-	movs r6, 0xF
-	ands r6, r0
-	movs r2, 0x1
-	add r8, r2
-	adds r4, r6, 0
-	ands r4, r5
-	lsls r0, r4, 4
-	orrs r0, r4
-	bl sub_800B220
-	movs r3, 0x1
-	add r9, r3
-	subs r0, r6, 0x1
-	ands r0, r5
-	lsls r0, 4
-	orrs r0, r4
-	b _0800B12A
-_0800B06E:
-	ldrb r0, [r2]
-	movs r5, 0xF
-	movs r6, 0xF
-	ands r6, r0
-	movs r2, 0x1
-	add r8, r2
-	adds r1, r6, 0
-	ands r1, r5
-	lsls r4, r1, 4
-	adds r0, r4, 0
-	orrs r0, r1
-	bl sub_800B220
-	movs r3, 0x1
-	add r9, r3
-	subs r0, r6, 0x1
-	b _0800B124
-_0800B090:
-	ldrb r0, [r2]
-	movs r6, 0xF
-	ands r6, r0
-	movs r2, 0x1
-	add r8, r2
-	movs r1, 0xF
-	lsls r0, r6, 4
-	subs r4, r6, 0x1
-	ands r4, r1
-	orrs r0, r4
-	lsls r0, 24
-	lsrs r0, 24
-	bl sub_800B220
-	movs r3, 0x1
-	add r9, r3
-	lsls r0, r4, 4
-	orrs r0, r4
-	lsls r0, 24
-	lsrs r0, 24
-	b _0800B12A
-_0800B0BA:
-	ldrb r0, [r2]
-	movs r1, 0xF
-	movs r6, 0xF
-	ands r6, r0
-	movs r2, 0x1
-	add r8, r2
-	adds r5, r6, 0
-	ands r5, r1
-	lsls r4, r5, 4
-	adds r0, r6, 0x1
-	ands r0, r1
-	orrs r0, r4
-	bl sub_800B220
-	movs r3, 0x1
-	add r9, r3
-	orrs r4, r5
-	b _0800B128
-_0800B0DE:
-	ldrb r0, [r2]
-	movs r5, 0xF
-	movs r6, 0xF
-	ands r6, r0
-	movs r2, 0x1
-	add r8, r2
-	adds r4, r6, 0
-	ands r4, r5
-	lsls r0, r4, 4
-	orrs r0, r4
-	bl sub_800B220
-	movs r3, 0x1
-	add r9, r3
-	adds r0, r6, 0x1
-	ands r0, r5
-	lsls r0, 4
-	orrs r0, r4
-	b _0800B12A
-_0800B104:
-	ldrb r0, [r2]
-	movs r5, 0xF
-	movs r6, 0xF
-	ands r6, r0
-	movs r2, 0x1
-	add r8, r2
-	adds r1, r6, 0
-	ands r1, r5
-	lsls r4, r1, 4
-	adds r0, r4, 0
-	orrs r0, r1
-	bl sub_800B220
-	movs r3, 0x1
-	add r9, r3
-	adds r0, r6, 0x1
-_0800B124:
-	ands r0, r5
-	orrs r4, r0
-_0800B128:
-	adds r0, r4, 0
-_0800B12A:
-	bl sub_800B220
-	movs r0, 0x1
-	add r9, r0
-	ldr r5, [sp, 0x30]
-	adds r5, 0x1
-	ldr r1, [sp, 0x2C]
-	lsls r4, r1, 1
-	b _0800B198
-_0800B13C:
-	movs r2, 0x1
-	add r8, r2
-	mov r0, r10
-	add r0, r8
-	ldrb r0, [r0]
-	adds r7, r0
-	add r8, r2
-	ldr r1, _0800B17C
-	adds r0, r7, r1
-	mov r2, r9
-	adds r7, r0, r2
-	ldr r5, [sp, 0x30]
-	adds r5, 0x1
-	ldr r0, [sp, 0x2C]
-	lsls r4, r0, 1
-	cmp r3, 0
-	beq _0800B198
-	adds r6, r3, 0
-_0800B160:
-	adds r0, r7, 0
-	bl sub_800B1E0
-	lsls r0, 24
-	lsrs r0, 24
-	bl sub_800B220
-	movs r1, 0x1
-	add r9, r1
-	adds r7, 0x1
-	subs r6, 0x1
-	cmp r6, 0
-	bne _0800B160
-	b _0800B198
-	.align 2, 0
-_0800B17C: .4byte 0xfffff000
-_0800B180:
-	mov r0, r10
-	add r0, r8
-	ldrb r0, [r0]
-	bl sub_800B220
-	movs r2, 0x1
-	add r9, r2
-	add r8, r2
-	ldr r5, [sp, 0x30]
-	adds r5, 0x1
-	ldr r3, [sp, 0x2C]
-	lsls r4, r3, 1
-_0800B198:
-	str r5, [sp, 0x30]
-	str r4, [sp, 0x2C]
-	ldr r0, [sp, 0x28]
-	cmp r8, r0
-	bge _0800B1A4
-	b _0800AF22
-_0800B1A4:
-	bl sub_800B270
-	mov r0, r9
-_0800B1AA:
-	add sp, 0x34
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800AE34
-
-	thumb_func_start sub_800B1BC
-sub_800B1BC:
-	ldr r1, _0800B1D0
-	str r0, [r1]
-	ldr r1, _0800B1D4
-	str r0, [r1]
-	ldr r0, _0800B1D8
-	movs r1, 0
-	str r1, [r0]
-	ldr r0, _0800B1DC
-	str r1, [r0]
-	bx lr
-	.align 2, 0
-_0800B1D0: .4byte gUnknown_202D4A8
-_0800B1D4: .4byte gUnknown_202D4AC
-_0800B1D8: .4byte gUnknown_202D4B0
-_0800B1DC: .4byte gUnknown_202D4B4
-	thumb_func_end sub_800B1BC
-
-	thumb_func_start sub_800B1E0
-sub_800B1E0:
-	push {lr}
-	adds r2, r0, 0
-	cmp r2, 0
-	bge _0800B1EA
-	adds r0, r2, 0x3
-_0800B1EA:
-	asrs r0, 2
-	ldr r1, _0800B20C
-	ldr r1, [r1]
-	lsls r0, 2
-	adds r0, r1
-	ldr r0, [r0]
-	movs r1, 0x3
-	ands r1, r2
-	cmp r1, 0x1
-	beq _0800B210
-	cmp r1, 0x1
-	ble _0800B216
-	cmp r1, 0x2
-	beq _0800B214
-	cmp r1, 0x3
-	beq _0800B218
-	b _0800B216
-	.align 2, 0
-_0800B20C: .4byte gUnknown_202D4AC
-_0800B210:
-	lsrs r0, 8
-	b _0800B216
-_0800B214:
-	lsrs r0, 16
-_0800B216:
-	lsls r0, 24
-_0800B218:
-	lsrs r0, 24
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800B1E0
-
-	thumb_func_start sub_800B220
-sub_800B220:
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r4, _0800B260
-	ldr r2, _0800B264
-	ldr r3, _0800B268
-	ldr r1, [r3]
-	lsls r1, 2
-	adds r1, r2
-	ldr r1, [r1]
-	lsls r0, r1
-	ldr r1, [r4]
-	orrs r1, r0
-	str r1, [r4]
-	ldr r2, _0800B26C
-	ldr r0, [r2]
-	str r1, [r0]
-	ldr r0, [r3]
-	adds r0, 0x1
-	str r0, [r3]
-	cmp r0, 0x4
-	bne _0800B258
-	ldr r0, [r2]
-	adds r0, 0x4
-	str r0, [r2]
-	movs r0, 0
-	str r0, [r4]
-	str r0, [r3]
-_0800B258:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800B260: .4byte gUnknown_202D4B0
-_0800B264: .4byte gUnknown_80B9BB8
-_0800B268: .4byte gUnknown_202D4B4
-_0800B26C: .4byte gUnknown_202D4A8
-	thumb_func_end sub_800B220
-
-	thumb_func_start sub_800B270
-sub_800B270:
-	push {lr}
-	ldr r0, _0800B288
-	ldr r0, [r0]
-	cmp r0, 0
-	beq _0800B284
-	ldr r0, _0800B28C
-	ldr r1, [r0]
-	ldr r0, _0800B290
-	ldr r0, [r0]
-	str r0, [r1]
-_0800B284:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0800B288: .4byte gUnknown_202D4B4
-_0800B28C: .4byte gUnknown_202D4A8
-_0800B290: .4byte gUnknown_202D4B0
-	thumb_func_end sub_800B270
-
-	thumb_func_start sub_800B294
-sub_800B294:
-	push {lr}
-	adds r1, r0, 0
-	ldrb r0, [r1]
-	cmp r0, 0x41
-	bne _0800B2CC
-	ldrb r0, [r1, 0x1]
-	adds r2, r0, 0
-	cmp r2, 0x54
-	bne _0800B2B2
-	ldrb r0, [r1, 0x2]
-	cmp r0, 0x34
-	bne _0800B2B2
-	ldrb r0, [r1, 0x3]
-	cmp r0, 0x50
-	beq _0800B2C8
-_0800B2B2:
-	ldrb r0, [r1]
-	cmp r0, 0x41
-	bne _0800B2CC
-	cmp r2, 0x54
-	bne _0800B2CC
-	ldrb r0, [r1, 0x2]
-	cmp r0, 0x33
-	bne _0800B2CC
-	ldrb r0, [r1, 0x3]
-	cmp r0, 0x50
-	bne _0800B2CC
-_0800B2C8:
-	movs r0, 0x1
-	b _0800B2CE
-_0800B2CC:
-	movs r0, 0
-_0800B2CE:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800B294
-
-	thumb_func_start sub_800B2D4
-sub_800B2D4:
-	push {r4-r6,lr}
-	adds r6, r0, 0
-	adds r5, r1, 0
-	adds r4, r2, 0
-	movs r2, 0
-	cmp r2, r4
-	bge _0800B324
-_0800B2E2:
-	adds r0, r6, r2
-	ldrb r1, [r0]
-	adds r0, r5, r2
-	ldrb r3, [r0]
-	adds r0, r1, 0
-	subs r0, 0x41
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x19
-	bhi _0800B2FE
-	adds r0, r1, 0
-	adds r0, 0x20
-	lsls r0, 24
-	lsrs r1, r0, 24
-_0800B2FE:
-	adds r0, r3, 0
-	subs r0, 0x41
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x19
-	bhi _0800B312
-	adds r0, r3, 0
-	adds r0, 0x20
-	lsls r0, 24
-	lsrs r3, r0, 24
-_0800B312:
-	cmp r1, r3
-	beq _0800B31A
-	movs r0, 0x1
-	b _0800B326
-_0800B31A:
-	cmp r1, 0
-	beq _0800B324
-	adds r2, 0x1
-	cmp r2, r4
-	blt _0800B2E2
-_0800B324:
-	movs r0, 0
-_0800B326:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800B2D4
-
 	.align 2, 0 @ Don't pad with nop.
diff --git a/asm/code_800AAA0.s b/asm/code_800AAA0.s
new file mode 100644
index 0000000..44a0085
--- /dev/null
+++ b/asm/code_800AAA0.s
@@ -0,0 +1,1194 @@
+	.include "constants/gba_constants.inc"
+	.include "asm/macros.inc"
+
+	.syntax unified
+
+	.text
+
+	thumb_func_start nullsub_16
+nullsub_16:
+	bx lr
+	thumb_func_end nullsub_16
+
+	thumb_func_start nullsub_175
+nullsub_175:
+	bx lr
+	thumb_func_end nullsub_175
+
+	thumb_func_start sub_800AAA8
+sub_800AAA8:
+	push {lr}
+	ldr r2, [r2, 0x4]
+	bl sub_800AAB4
+	pop {r1}
+	bx r1
+	thumb_func_end sub_800AAA8
+
+	thumb_func_start sub_800AAB4
+sub_800AAB4:
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	sub sp, 0x2C
+	mov r12, r0
+	str r1, [sp, 0x24]
+	mov r8, r2
+	ldrb r0, [r2, 0x5]
+	ldrb r1, [r2, 0x6]
+	lsls r1, 8
+	adds r0, r1
+	str r0, [sp, 0x28]
+	movs r6, 0
+	mov r10, r6
+	movs r0, 0x8
+	mov r9, r0
+	ldrb r0, [r2]
+	cmp r0, 0x41
+	bne _0800AB04
+	ldrb r0, [r2, 0x1]
+	adds r1, r0, 0
+	cmp r1, 0x54
+	bne _0800AB0C
+	ldrb r0, [r2, 0x2]
+	cmp r0, 0x34
+	bne _0800AB0C
+	ldrb r0, [r2, 0x3]
+	cmp r0, 0x50
+	bne _0800AB0C
+	ldrb r1, [r2, 0x10]
+	ldrb r0, [r2, 0x11]
+	lsls r0, 8
+	adds r1, r0
+	ldr r2, [sp, 0x24]
+	cmp r2, 0
+	beq _0800AB08
+	cmp r2, r1
+	beq _0800AB08
+_0800AB04:
+	movs r0, 0
+	b _0800AE16
+_0800AB08:
+	movs r1, 0x12
+	b _0800AB26
+_0800AB0C:
+	mov r3, r8
+	ldrb r0, [r3]
+	cmp r0, 0x41
+	bne _0800AB04
+	cmp r1, 0x54
+	bne _0800AB04
+	ldrb r0, [r3, 0x2]
+	cmp r0, 0x33
+	bne _0800AB04
+	ldrb r0, [r3, 0x3]
+	cmp r0, 0x50
+	bne _0800AB04
+	movs r1, 0x10
+_0800AB26:
+	mov r2, r8
+	ldrb r0, [r2, 0x4]
+	cmp r0, 0x4E
+	bne _0800AB4A
+	movs r7, 0
+	b _0800AB40
+_0800AB32:
+	mov r1, r12
+	adds r0, r1, r7
+	mov r2, r8
+	adds r1, r7, r2
+	ldrb r1, [r1, 0x7]
+	strb r1, [r0]
+	adds r7, 0x1
+_0800AB40:
+	ldr r3, [sp, 0x28]
+	cmp r7, r3
+	blt _0800AB32
+	adds r0, r7, 0
+	b _0800AE16
+_0800AB4A:
+	mov r2, r8
+	ldrb r0, [r2, 0x7]
+	adds r0, 0x3
+	str r0, [sp]
+	ldrb r0, [r2, 0x8]
+	adds r0, 0x3
+	str r0, [sp, 0x4]
+	ldrb r0, [r2, 0x9]
+	adds r0, 0x3
+	str r0, [sp, 0x8]
+	ldrb r0, [r2, 0xA]
+	adds r0, 0x3
+	str r0, [sp, 0xC]
+	ldrb r0, [r2, 0xB]
+	adds r0, 0x3
+	str r0, [sp, 0x10]
+	ldrb r0, [r2, 0xC]
+	adds r0, 0x3
+	str r0, [sp, 0x14]
+	ldrb r0, [r2, 0xD]
+	adds r0, 0x3
+	str r0, [sp, 0x18]
+	ldrb r0, [r2, 0xE]
+	adds r0, 0x3
+	str r0, [sp, 0x1C]
+	ldrb r0, [r2, 0xF]
+	adds r0, 0x3
+	str r0, [sp, 0x20]
+	adds r7, r1, 0
+	ldr r3, [sp, 0x28]
+	cmp r7, r3
+	blt _0800AB8C
+	b _0800AE14
+_0800AB8C:
+	ldr r0, [sp, 0x24]
+	cmp r0, 0
+	beq _0800AB96
+	cmp r6, r0
+	bge _0800AB04
+_0800AB96:
+	mov r1, r9
+	cmp r1, 0x8
+	bne _0800ABAA
+	mov r2, r8
+	adds r0, r2, r7
+	ldrb r0, [r0]
+	mov r10, r0
+	adds r7, 0x1
+	movs r3, 0
+	mov r9, r3
+_0800ABAA:
+	movs r0, 0x80
+	mov r1, r10
+	ands r0, r1
+	cmp r0, 0
+	beq _0800ABB6
+	b _0800ADF0
+_0800ABB6:
+	mov r3, r8
+	adds r2, r3, r7
+	ldrb r1, [r2]
+	lsrs r0, r1, 4
+	adds r3, r0, 0x3
+	movs r0, 0xF
+	ands r0, r1
+	lsls r5, r0, 8
+	ldr r0, [sp]
+	cmp r3, r0
+	bne _0800ABCE
+	movs r3, 0x1F
+_0800ABCE:
+	ldr r0, [sp, 0x4]
+	cmp r3, r0
+	bne _0800ABD6
+	movs r3, 0x1E
+_0800ABD6:
+	ldr r0, [sp, 0x8]
+	cmp r3, r0
+	bne _0800ABDE
+	movs r3, 0x1D
+_0800ABDE:
+	ldr r0, [sp, 0xC]
+	cmp r3, r0
+	bne _0800ABE6
+	movs r3, 0x1C
+_0800ABE6:
+	ldr r0, [sp, 0x10]
+	cmp r3, r0
+	bne _0800ABEE
+	movs r3, 0x1B
+_0800ABEE:
+	ldr r0, [sp, 0x14]
+	cmp r3, r0
+	bne _0800ABF6
+	movs r3, 0x1A
+_0800ABF6:
+	ldr r0, [sp, 0x18]
+	cmp r3, r0
+	bne _0800ABFE
+	movs r3, 0x19
+_0800ABFE:
+	ldr r0, [sp, 0x1C]
+	cmp r3, r0
+	bne _0800AC06
+	movs r3, 0x18
+_0800AC06:
+	ldr r0, [sp, 0x20]
+	cmp r3, r0
+	bne _0800AC0E
+	movs r3, 0x17
+_0800AC0E:
+	adds r0, r3, 0
+	subs r0, 0x17
+	cmp r0, 0x8
+	bls _0800AC18
+	b _0800ADB0
+_0800AC18:
+	lsls r0, 2
+	ldr r1, _0800AC24
+	adds r0, r1
+	ldr r0, [r0]
+	mov pc, r0
+	.align 2, 0
+_0800AC24: .4byte _0800AC28
+	.align 2, 0
+_0800AC28:
+	.4byte _0800AD7C
+	.4byte _0800AD48
+	.4byte _0800AD20
+	.4byte _0800ACFA
+	.4byte _0800ACD6
+	.4byte _0800ACB4
+	.4byte _0800AC8C
+	.4byte _0800AC66
+	.4byte _0800AC4C
+_0800AC4C:
+	ldrb r1, [r2]
+	movs r0, 0xF
+	adds r7, 0x1
+	mov r3, r12
+	adds r2, r3, r6
+	ands r0, r1
+	lsls r1, r0, 4
+	orrs r1, r0
+	strb r1, [r2]
+	adds r6, 0x1
+	adds r0, r3, r6
+	strb r1, [r0]
+	b _0800ADA4
+_0800AC66:
+	ldrb r0, [r2]
+	movs r5, 0xF
+	ands r5, r0
+	adds r7, 0x1
+	mov r1, r12
+	adds r3, r1, r6
+	movs r2, 0xF
+	lsls r0, r5, 4
+	adds r1, r5, 0x1
+	ands r1, r2
+	orrs r0, r1
+	strb r0, [r3]
+	adds r6, 0x1
+	mov r3, r12
+	adds r2, r3, r6
+	lsls r0, r1, 4
+	orrs r0, r1
+	strb r0, [r2]
+	b _0800ADA4
+_0800AC8C:
+	ldrb r0, [r2]
+	movs r3, 0xF
+	movs r5, 0xF
+	ands r5, r0
+	adds r7, 0x1
+	mov r1, r12
+	adds r4, r1, r6
+	adds r2, r5, 0
+	ands r2, r3
+	lsls r1, r2, 4
+	subs r0, r5, 0x1
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r4]
+	adds r6, 0x1
+	mov r3, r12
+	adds r0, r3, r6
+	orrs r1, r2
+	strb r1, [r0]
+	b _0800ADA4
+_0800ACB4:
+	ldrb r0, [r2]
+	movs r3, 0xF
+	movs r5, 0xF
+	ands r5, r0
+	adds r7, 0x1
+	mov r1, r12
+	adds r2, r1, r6
+	adds r1, r5, 0
+	ands r1, r3
+	lsls r0, r1, 4
+	orrs r0, r1
+	strb r0, [r2]
+	adds r6, 0x1
+	mov r0, r12
+	adds r2, r0, r6
+	subs r0, r5, 0x1
+	b _0800AD68
+_0800ACD6:
+	ldrb r0, [r2]
+	movs r4, 0xF
+	movs r5, 0xF
+	ands r5, r0
+	adds r7, 0x1
+	mov r2, r12
+	adds r3, r2, r6
+	adds r1, r5, 0
+	ands r1, r4
+	lsls r2, r1, 4
+	adds r0, r2, 0
+	orrs r0, r1
+	strb r0, [r3]
+	adds r6, 0x1
+	mov r3, r12
+	adds r1, r3, r6
+	subs r0, r5, 0x1
+	b _0800AD9E
+_0800ACFA:
+	ldrb r0, [r2]
+	movs r5, 0xF
+	ands r5, r0
+	adds r7, 0x1
+	mov r1, r12
+	adds r3, r1, r6
+	movs r2, 0xF
+	lsls r0, r5, 4
+	subs r1, r5, 0x1
+	ands r1, r2
+	orrs r0, r1
+	strb r0, [r3]
+	adds r6, 0x1
+	mov r3, r12
+	adds r2, r3, r6
+	lsls r0, r1, 4
+	orrs r0, r1
+	strb r0, [r2]
+	b _0800ADA4
+_0800AD20:
+	ldrb r0, [r2]
+	movs r3, 0xF
+	movs r5, 0xF
+	ands r5, r0
+	adds r7, 0x1
+	mov r1, r12
+	adds r4, r1, r6
+	adds r2, r5, 0
+	ands r2, r3
+	lsls r1, r2, 4
+	adds r0, r5, 0x1
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r4]
+	adds r6, 0x1
+	mov r3, r12
+	adds r0, r3, r6
+	orrs r1, r2
+	strb r1, [r0]
+	b _0800ADA4
+_0800AD48:
+	ldrb r0, [r2]
+	movs r3, 0xF
+	movs r5, 0xF
+	ands r5, r0
+	adds r7, 0x1
+	mov r1, r12
+	adds r2, r1, r6
+	adds r1, r5, 0
+	ands r1, r3
+	lsls r0, r1, 4
+	orrs r0, r1
+	strb r0, [r2]
+	adds r6, 0x1
+	mov r0, r12
+	adds r2, r0, r6
+	adds r0, r5, 0x1
+_0800AD68:
+	ands r0, r3
+	lsls r0, 4
+	orrs r0, r1
+	strb r0, [r2]
+	adds r6, 0x1
+	mov r4, r9
+	adds r4, 0x1
+	mov r1, r10
+	lsls r2, r1, 1
+	b _0800AE08
+_0800AD7C:
+	ldrb r0, [r2]
+	movs r4, 0xF
+	movs r5, 0xF
+	ands r5, r0
+	adds r7, 0x1
+	mov r2, r12
+	adds r3, r2, r6
+	adds r1, r5, 0
+	ands r1, r4
+	lsls r2, r1, 4
+	adds r0, r2, 0
+	orrs r0, r1
+	strb r0, [r3]
+	adds r6, 0x1
+	mov r3, r12
+	adds r1, r3, r6
+	adds r0, r5, 0x1
+_0800AD9E:
+	ands r0, r4
+	orrs r2, r0
+	strb r2, [r1]
+_0800ADA4:
+	adds r6, 0x1
+	mov r4, r9
+	adds r4, 0x1
+	mov r0, r10
+	lsls r2, r0, 1
+	b _0800AE08
+_0800ADB0:
+	adds r7, 0x1
+	mov r1, r8
+	adds r0, r1, r7
+	ldrb r0, [r0]
+	adds r5, r0
+	adds r7, 0x1
+	ldr r2, _0800ADEC
+	adds r0, r5, r2
+	adds r5, r0, r6
+	mov r4, r9
+	adds r4, 0x1
+	mov r0, r10
+	lsls r2, r0, 1
+	cmp r3, 0
+	beq _0800AE08
+_0800ADCE:
+	mov r1, r12
+	adds r1, r6
+	mov r10, r1
+	mov r0, r12
+	adds r0, r5
+	ldrb r1, [r0]
+	mov r0, r10
+	strb r1, [r0]
+	adds r6, 0x1
+	adds r5, 0x1
+	subs r3, 0x1
+	cmp r3, 0
+	bne _0800ADCE
+	b _0800AE08
+	.align 2, 0
+_0800ADEC: .4byte 0xfffff000
+_0800ADF0:
+	mov r1, r12
+	adds r0, r1, r6
+	mov r2, r8
+	adds r1, r2, r7
+	ldrb r1, [r1]
+	strb r1, [r0]
+	adds r6, 0x1
+	adds r7, 0x1
+	mov r4, r9
+	adds r4, 0x1
+	mov r3, r10
+	lsls r2, r3, 1
+_0800AE08:
+	mov r9, r4
+	mov r10, r2
+	ldr r0, [sp, 0x28]
+	cmp r7, r0
+	bge _0800AE14
+	b _0800AB8C
+_0800AE14:
+	adds r0, r6, 0
+_0800AE16:
+	add sp, 0x2C
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	thumb_func_end sub_800AAB4
+
+	thumb_func_start sub_800AE28
+sub_800AE28:
+	push {lr}
+	ldr r2, [r2, 0x4]
+	bl sub_800AE34
+	pop {r1}
+	bx r1
+	thumb_func_end sub_800AE28
+
+	thumb_func_start sub_800AE34
+sub_800AE34:
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	sub sp, 0x34
+	str r1, [sp, 0x24]
+	mov r10, r2
+	ldrb r2, [r2, 0x5]
+	mov r3, r10
+	ldrb r1, [r3, 0x6]
+	lsls r1, 8
+	adds r2, r1
+	str r2, [sp, 0x28]
+	movs r1, 0
+	mov r9, r1
+	movs r2, 0
+	str r2, [sp, 0x2C]
+	movs r3, 0x8
+	str r3, [sp, 0x30]
+	bl sub_800B1BC
+	mov r1, r10
+	ldrb r0, [r1]
+	cmp r0, 0x41
+	bne _0800AE90
+	ldrb r0, [r1, 0x1]
+	adds r1, r0, 0
+	cmp r1, 0x54
+	bne _0800AE98
+	mov r2, r10
+	ldrb r0, [r2, 0x2]
+	cmp r0, 0x34
+	bne _0800AE98
+	ldrb r0, [r2, 0x3]
+	cmp r0, 0x50
+	bne _0800AE98
+	ldrb r1, [r2, 0x10]
+	ldrb r0, [r2, 0x11]
+	lsls r0, 8
+	adds r1, r0
+	ldr r3, [sp, 0x24]
+	cmp r3, 0
+	beq _0800AE94
+	cmp r3, r1
+	beq _0800AE94
+_0800AE90:
+	movs r0, 0
+	b _0800B1AA
+_0800AE94:
+	movs r1, 0x12
+	b _0800AEB2
+_0800AE98:
+	mov r2, r10
+	ldrb r0, [r2]
+	cmp r0, 0x41
+	bne _0800AE90
+	cmp r1, 0x54
+	bne _0800AE90
+	ldrb r0, [r2, 0x2]
+	cmp r0, 0x33
+	bne _0800AE90
+	ldrb r0, [r2, 0x3]
+	cmp r0, 0x50
+	bne _0800AE90
+	movs r1, 0x10
+_0800AEB2:
+	mov r3, r10
+	ldrb r0, [r3, 0x4]
+	cmp r0, 0x4E
+	bne _0800AEE0
+	movs r0, 0
+	mov r8, r0
+	ldr r1, [sp, 0x28]
+	cmp r8, r1
+	bge _0800AED8
+_0800AEC4:
+	mov r0, r8
+	add r0, r10
+	ldrb r0, [r0, 0x7]
+	bl sub_800B220
+	movs r2, 0x1
+	add r8, r2
+	ldr r3, [sp, 0x28]
+	cmp r8, r3
+	blt _0800AEC4
+_0800AED8:
+	bl sub_800B270
+	mov r0, r8
+	b _0800B1AA
+_0800AEE0:
+	mov r2, r10
+	ldrb r0, [r2, 0x7]
+	adds r0, 0x3
+	str r0, [sp]
+	ldrb r0, [r2, 0x8]
+	adds r0, 0x3
+	str r0, [sp, 0x4]
+	ldrb r0, [r2, 0x9]
+	adds r0, 0x3
+	str r0, [sp, 0x8]
+	ldrb r0, [r2, 0xA]
+	adds r0, 0x3
+	str r0, [sp, 0xC]
+	ldrb r0, [r2, 0xB]
+	adds r0, 0x3
+	str r0, [sp, 0x10]
+	ldrb r0, [r2, 0xC]
+	adds r0, 0x3
+	str r0, [sp, 0x14]
+	ldrb r0, [r2, 0xD]
+	adds r0, 0x3
+	str r0, [sp, 0x18]
+	ldrb r0, [r2, 0xE]
+	adds r0, 0x3
+	str r0, [sp, 0x1C]
+	ldrb r0, [r2, 0xF]
+	adds r0, 0x3
+	str r0, [sp, 0x20]
+	mov r8, r1
+	ldr r3, [sp, 0x28]
+	cmp r8, r3
+	blt _0800AF22
+	b _0800B1A4
+_0800AF22:
+	ldr r0, [sp, 0x24]
+	cmp r0, 0
+	beq _0800AF2C
+	cmp r9, r0
+	bge _0800AE90
+_0800AF2C:
+	ldr r1, [sp, 0x30]
+	cmp r1, 0x8
+	bne _0800AF42
+	mov r0, r10
+	add r0, r8
+	ldrb r0, [r0]
+	str r0, [sp, 0x2C]
+	movs r2, 0x1
+	add r8, r2
+	movs r3, 0
+	str r3, [sp, 0x30]
+_0800AF42:
+	movs r0, 0x80
+	ldr r1, [sp, 0x2C]
+	ands r0, r1
+	cmp r0, 0
+	beq _0800AF4E
+	b _0800B180
+_0800AF4E:
+	mov r2, r10
+	add r2, r8
+	ldrb r1, [r2]
+	lsrs r0, r1, 4
+	adds r3, r0, 0x3
+	movs r0, 0xF
+	ands r0, r1
+	lsls r7, r0, 8
+	ldr r0, [sp]
+	cmp r3, r0
+	bne _0800AF66
+	movs r3, 0x1F
+_0800AF66:
+	ldr r0, [sp, 0x4]
+	cmp r3, r0
+	bne _0800AF6E
+	movs r3, 0x1E
+_0800AF6E:
+	ldr r0, [sp, 0x8]
+	cmp r3, r0
+	bne _0800AF76
+	movs r3, 0x1D
+_0800AF76:
+	ldr r0, [sp, 0xC]
+	cmp r3, r0
+	bne _0800AF7E
+	movs r3, 0x1C
+_0800AF7E:
+	ldr r0, [sp, 0x10]
+	cmp r3, r0
+	bne _0800AF86
+	movs r3, 0x1B
+_0800AF86:
+	ldr r0, [sp, 0x14]
+	cmp r3, r0
+	bne _0800AF8E
+	movs r3, 0x1A
+_0800AF8E:
+	ldr r0, [sp, 0x18]
+	cmp r3, r0
+	bne _0800AF96
+	movs r3, 0x19
+_0800AF96:
+	ldr r0, [sp, 0x1C]
+	cmp r3, r0
+	bne _0800AF9E
+	movs r3, 0x18
+_0800AF9E:
+	ldr r0, [sp, 0x20]
+	cmp r3, r0
+	bne _0800AFA6
+	movs r3, 0x17
+_0800AFA6:
+	adds r0, r3, 0
+	subs r0, 0x17
+	cmp r0, 0x8
+	bls _0800AFB0
+	b _0800B13C
+_0800AFB0:
+	lsls r0, 2
+	ldr r1, _0800AFBC
+	adds r0, r1
+	ldr r0, [r0]
+	mov pc, r0
+	.align 2, 0
+_0800AFBC: .4byte _0800AFC0
+	.align 2, 0
+_0800AFC0:
+	.4byte _0800B104
+	.4byte _0800B0DE
+	.4byte _0800B0BA
+	.4byte _0800B090
+	.4byte _0800B06E
+	.4byte _0800B048
+	.4byte _0800B024
+	.4byte _0800AFFE
+	.4byte _0800AFE4
+_0800AFE4:
+	ldrb r0, [r2]
+	movs r1, 0xF
+	movs r2, 0x1
+	add r8, r2
+	ands r1, r0
+	lsls r4, r1, 4
+	orrs r4, r1
+	adds r0, r4, 0
+	bl sub_800B220
+	movs r3, 0x1
+	add r9, r3
+	b _0800B128
+_0800AFFE:
+	ldrb r0, [r2]
+	movs r6, 0xF
+	ands r6, r0
+	movs r2, 0x1
+	add r8, r2
+	movs r1, 0xF
+	lsls r0, r6, 4
+	adds r4, r6, 0x1
+	ands r4, r1
+	orrs r0, r4
+	bl sub_800B220
+	movs r3, 0x1
+	add r9, r3
+	lsls r0, r4, 4
+	orrs r0, r4
+	lsls r0, 24
+	lsrs r0, 24
+	b _0800B12A
+_0800B024:
+	ldrb r0, [r2]
+	movs r1, 0xF
+	movs r6, 0xF
+	ands r6, r0
+	movs r2, 0x1
+	add r8, r2
+	adds r5, r6, 0
+	ands r5, r1
+	lsls r4, r5, 4
+	subs r0, r6, 0x1
+	ands r0, r1
+	orrs r0, r4
+	bl sub_800B220
+	movs r3, 0x1
+	add r9, r3
+	orrs r4, r5
+	b _0800B128
+_0800B048:
+	ldrb r0, [r2]
+	movs r5, 0xF
+	movs r6, 0xF
+	ands r6, r0
+	movs r2, 0x1
+	add r8, r2
+	adds r4, r6, 0
+	ands r4, r5
+	lsls r0, r4, 4
+	orrs r0, r4
+	bl sub_800B220
+	movs r3, 0x1
+	add r9, r3
+	subs r0, r6, 0x1
+	ands r0, r5
+	lsls r0, 4
+	orrs r0, r4
+	b _0800B12A
+_0800B06E:
+	ldrb r0, [r2]
+	movs r5, 0xF
+	movs r6, 0xF
+	ands r6, r0
+	movs r2, 0x1
+	add r8, r2
+	adds r1, r6, 0
+	ands r1, r5
+	lsls r4, r1, 4
+	adds r0, r4, 0
+	orrs r0, r1
+	bl sub_800B220
+	movs r3, 0x1
+	add r9, r3
+	subs r0, r6, 0x1
+	b _0800B124
+_0800B090:
+	ldrb r0, [r2]
+	movs r6, 0xF
+	ands r6, r0
+	movs r2, 0x1
+	add r8, r2
+	movs r1, 0xF
+	lsls r0, r6, 4
+	subs r4, r6, 0x1
+	ands r4, r1
+	orrs r0, r4
+	lsls r0, 24
+	lsrs r0, 24
+	bl sub_800B220
+	movs r3, 0x1
+	add r9, r3
+	lsls r0, r4, 4
+	orrs r0, r4
+	lsls r0, 24
+	lsrs r0, 24
+	b _0800B12A
+_0800B0BA:
+	ldrb r0, [r2]
+	movs r1, 0xF
+	movs r6, 0xF
+	ands r6, r0
+	movs r2, 0x1
+	add r8, r2
+	adds r5, r6, 0
+	ands r5, r1
+	lsls r4, r5, 4
+	adds r0, r6, 0x1
+	ands r0, r1
+	orrs r0, r4
+	bl sub_800B220
+	movs r3, 0x1
+	add r9, r3
+	orrs r4, r5
+	b _0800B128
+_0800B0DE:
+	ldrb r0, [r2]
+	movs r5, 0xF
+	movs r6, 0xF
+	ands r6, r0
+	movs r2, 0x1
+	add r8, r2
+	adds r4, r6, 0
+	ands r4, r5
+	lsls r0, r4, 4
+	orrs r0, r4
+	bl sub_800B220
+	movs r3, 0x1
+	add r9, r3
+	adds r0, r6, 0x1
+	ands r0, r5
+	lsls r0, 4
+	orrs r0, r4
+	b _0800B12A
+_0800B104:
+	ldrb r0, [r2]
+	movs r5, 0xF
+	movs r6, 0xF
+	ands r6, r0
+	movs r2, 0x1
+	add r8, r2
+	adds r1, r6, 0
+	ands r1, r5
+	lsls r4, r1, 4
+	adds r0, r4, 0
+	orrs r0, r1
+	bl sub_800B220
+	movs r3, 0x1
+	add r9, r3
+	adds r0, r6, 0x1
+_0800B124:
+	ands r0, r5
+	orrs r4, r0
+_0800B128:
+	adds r0, r4, 0
+_0800B12A:
+	bl sub_800B220
+	movs r0, 0x1
+	add r9, r0
+	ldr r5, [sp, 0x30]
+	adds r5, 0x1
+	ldr r1, [sp, 0x2C]
+	lsls r4, r1, 1
+	b _0800B198
+_0800B13C:
+	movs r2, 0x1
+	add r8, r2
+	mov r0, r10
+	add r0, r8
+	ldrb r0, [r0]
+	adds r7, r0
+	add r8, r2
+	ldr r1, _0800B17C
+	adds r0, r7, r1
+	mov r2, r9
+	adds r7, r0, r2
+	ldr r5, [sp, 0x30]
+	adds r5, 0x1
+	ldr r0, [sp, 0x2C]
+	lsls r4, r0, 1
+	cmp r3, 0
+	beq _0800B198
+	adds r6, r3, 0
+_0800B160:
+	adds r0, r7, 0
+	bl sub_800B1E0
+	lsls r0, 24
+	lsrs r0, 24
+	bl sub_800B220
+	movs r1, 0x1
+	add r9, r1
+	adds r7, 0x1
+	subs r6, 0x1
+	cmp r6, 0
+	bne _0800B160
+	b _0800B198
+	.align 2, 0
+_0800B17C: .4byte 0xfffff000
+_0800B180:
+	mov r0, r10
+	add r0, r8
+	ldrb r0, [r0]
+	bl sub_800B220
+	movs r2, 0x1
+	add r9, r2
+	add r8, r2
+	ldr r5, [sp, 0x30]
+	adds r5, 0x1
+	ldr r3, [sp, 0x2C]
+	lsls r4, r3, 1
+_0800B198:
+	str r5, [sp, 0x30]
+	str r4, [sp, 0x2C]
+	ldr r0, [sp, 0x28]
+	cmp r8, r0
+	bge _0800B1A4
+	b _0800AF22
+_0800B1A4:
+	bl sub_800B270
+	mov r0, r9
+_0800B1AA:
+	add sp, 0x34
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	thumb_func_end sub_800AE34
+
+	thumb_func_start sub_800B1BC
+sub_800B1BC:
+	ldr r1, _0800B1D0
+	str r0, [r1]
+	ldr r1, _0800B1D4
+	str r0, [r1]
+	ldr r0, _0800B1D8
+	movs r1, 0
+	str r1, [r0]
+	ldr r0, _0800B1DC
+	str r1, [r0]
+	bx lr
+	.align 2, 0
+_0800B1D0: .4byte gUnknown_202D4A8
+_0800B1D4: .4byte gUnknown_202D4AC
+_0800B1D8: .4byte gUnknown_202D4B0
+_0800B1DC: .4byte gUnknown_202D4B4
+	thumb_func_end sub_800B1BC
+
+	thumb_func_start sub_800B1E0
+sub_800B1E0:
+	push {lr}
+	adds r2, r0, 0
+	cmp r2, 0
+	bge _0800B1EA
+	adds r0, r2, 0x3
+_0800B1EA:
+	asrs r0, 2
+	ldr r1, _0800B20C
+	ldr r1, [r1]
+	lsls r0, 2
+	adds r0, r1
+	ldr r0, [r0]
+	movs r1, 0x3
+	ands r1, r2
+	cmp r1, 0x1
+	beq _0800B210
+	cmp r1, 0x1
+	ble _0800B216
+	cmp r1, 0x2
+	beq _0800B214
+	cmp r1, 0x3
+	beq _0800B218
+	b _0800B216
+	.align 2, 0
+_0800B20C: .4byte gUnknown_202D4AC
+_0800B210:
+	lsrs r0, 8
+	b _0800B216
+_0800B214:
+	lsrs r0, 16
+_0800B216:
+	lsls r0, 24
+_0800B218:
+	lsrs r0, 24
+	pop {r1}
+	bx r1
+	thumb_func_end sub_800B1E0
+
+	thumb_func_start sub_800B220
+sub_800B220:
+	push {r4,lr}
+	lsls r0, 24
+	lsrs r0, 24
+	ldr r4, _0800B260
+	ldr r2, _0800B264
+	ldr r3, _0800B268
+	ldr r1, [r3]
+	lsls r1, 2
+	adds r1, r2
+	ldr r1, [r1]
+	lsls r0, r1
+	ldr r1, [r4]
+	orrs r1, r0
+	str r1, [r4]
+	ldr r2, _0800B26C
+	ldr r0, [r2]
+	str r1, [r0]
+	ldr r0, [r3]
+	adds r0, 0x1
+	str r0, [r3]
+	cmp r0, 0x4
+	bne _0800B258
+	ldr r0, [r2]
+	adds r0, 0x4
+	str r0, [r2]
+	movs r0, 0
+	str r0, [r4]
+	str r0, [r3]
+_0800B258:
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800B260: .4byte gUnknown_202D4B0
+_0800B264: .4byte gUnknown_80B9BB8
+_0800B268: .4byte gUnknown_202D4B4
+_0800B26C: .4byte gUnknown_202D4A8
+	thumb_func_end sub_800B220
+
+	thumb_func_start sub_800B270
+sub_800B270:
+	push {lr}
+	ldr r0, _0800B288
+	ldr r0, [r0]
+	cmp r0, 0
+	beq _0800B284
+	ldr r0, _0800B28C
+	ldr r1, [r0]
+	ldr r0, _0800B290
+	ldr r0, [r0]
+	str r0, [r1]
+_0800B284:
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800B288: .4byte gUnknown_202D4B4
+_0800B28C: .4byte gUnknown_202D4A8
+_0800B290: .4byte gUnknown_202D4B0
+	thumb_func_end sub_800B270
+
+	thumb_func_start sub_800B294
+sub_800B294:
+	push {lr}
+	adds r1, r0, 0
+	ldrb r0, [r1]
+	cmp r0, 0x41
+	bne _0800B2CC
+	ldrb r0, [r1, 0x1]
+	adds r2, r0, 0
+	cmp r2, 0x54
+	bne _0800B2B2
+	ldrb r0, [r1, 0x2]
+	cmp r0, 0x34
+	bne _0800B2B2
+	ldrb r0, [r1, 0x3]
+	cmp r0, 0x50
+	beq _0800B2C8
+_0800B2B2:
+	ldrb r0, [r1]
+	cmp r0, 0x41
+	bne _0800B2CC
+	cmp r2, 0x54
+	bne _0800B2CC
+	ldrb r0, [r1, 0x2]
+	cmp r0, 0x33
+	bne _0800B2CC
+	ldrb r0, [r1, 0x3]
+	cmp r0, 0x50
+	bne _0800B2CC
+_0800B2C8:
+	movs r0, 0x1
+	b _0800B2CE
+_0800B2CC:
+	movs r0, 0
+_0800B2CE:
+	pop {r1}
+	bx r1
+	thumb_func_end sub_800B294
+
+	thumb_func_start sub_800B2D4
+sub_800B2D4:
+	push {r4-r6,lr}
+	adds r6, r0, 0
+	adds r5, r1, 0
+	adds r4, r2, 0
+	movs r2, 0
+	cmp r2, r4
+	bge _0800B324
+_0800B2E2:
+	adds r0, r6, r2
+	ldrb r1, [r0]
+	adds r0, r5, r2
+	ldrb r3, [r0]
+	adds r0, r1, 0
+	subs r0, 0x41
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x19
+	bhi _0800B2FE
+	adds r0, r1, 0
+	adds r0, 0x20
+	lsls r0, 24
+	lsrs r1, r0, 24
+_0800B2FE:
+	adds r0, r3, 0
+	subs r0, 0x41
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x19
+	bhi _0800B312
+	adds r0, r3, 0
+	adds r0, 0x20
+	lsls r0, 24
+	lsrs r3, r0, 24
+_0800B312:
+	cmp r1, r3
+	beq _0800B31A
+	movs r0, 0x1
+	b _0800B326
+_0800B31A:
+	cmp r1, 0
+	beq _0800B324
+	adds r2, 0x1
+	cmp r2, r4
+	blt _0800B2E2
+_0800B324:
+	movs r0, 0
+_0800B326:
+	pop {r4-r6}
+	pop {r1}
+	bx r1
+	thumb_func_end sub_800B2D4
+
+	.align 2, 0 @ Don't pad with nop.
diff --git a/asm/file_system.s b/asm/file_system.s
new file mode 100644
index 0000000..570d760
--- /dev/null
+++ b/asm/file_system.s
@@ -0,0 +1,287 @@
+	.include "constants/gba_constants.inc"
+	.include "asm/macros.inc"
+
+	.syntax unified
+
+	.text
+
+	thumb_func_start InitFileSystem
+InitFileSystem:
+	push {r4,lr}
+	ldr r3, _0800A8EC
+	ldr r4, _0800A8F0
+	movs r2, 0
+	ldr r0, _0800A8F4
+	movs r1, 0x3F
+_0800A8D0:
+	str r2, [r0]
+	str r2, [r0, 0x4]
+	adds r0, 0x8
+	subs r1, 0x1
+	cmp r1, 0
+	bge _0800A8D0
+	movs r0, 0
+	str r0, [r3]
+	movs r0, 0x1
+	str r0, [r4]
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+_0800A8EC: .4byte gUnknown_203B094
+_0800A8F0: .4byte gUnknown_202D2A4
+_0800A8F4: .4byte gUnknown_202D2A8
+	thumb_func_end InitFileSystem
+
+	thumb_func_start sub_800A8F8
+sub_800A8F8:
+	ldr r1, _0800A904
+	ldr r2, [r1]
+	str r0, [r1]
+	adds r0, r2, 0
+	bx lr
+	.align 2, 0
+_0800A904: .4byte gUnknown_202D2A4
+	thumb_func_end sub_800A8F8
+
+	thumb_func_start OpenFile
+OpenFile:
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	sub sp, 0x12C
+	mov r8, r0
+	adds r4, r1, 0
+	ldr r1, _0800A93C
+	adds r0, r4, 0
+	bl strcmp
+	cmp r0, 0
+	beq _0800A922
+	movs r0, 0x1
+_0800A922:
+	movs r1, 0
+	lsls r0, 24
+	cmp r0, 0
+	bne _0800A92C
+	movs r1, 0x1
+_0800A92C:
+	cmp r1, 0
+	beq _0800A9B6
+	ldr r7, [r4, 0xC]
+	movs r6, 0
+	ldr r0, [r4, 0x8]
+	subs r5, r0, 0x1
+	b _0800A94A
+	.align 2, 0
+_0800A93C: .4byte gUnknown_80B9B94
+_0800A940:
+	cmp r0, 0
+	bge _0800A948
+	adds r6, r4, 0x1
+	b _0800A94A
+_0800A948:
+	adds r5, r4, 0
+_0800A94A:
+	cmp r6, r5
+	bge _0800A968
+	adds r0, r6, r5
+	lsrs r1, r0, 31
+	adds r0, r1
+	asrs r4, r0, 1
+	lsls r0, r4, 3
+	adds r0, r7
+	ldr r0, [r0]
+	mov r1, r8
+	bl strcmp
+	cmp r0, 0
+	bne _0800A940
+	adds r6, r4, 0
+_0800A968:
+	lsls r0, r6, 3
+	adds r6, r7, r0
+	ldr r0, [r6]
+	mov r1, r8
+	bl strcmp
+	cmp r0, 0
+	beq _0800A994
+	ldr r1, _0800A984
+	mov r0, sp
+	mov r2, r8
+	bl sprintf
+	b _0800A9B6
+	.align 2, 0
+_0800A984: .4byte gUnknown_80B9B9C
+_0800A988:
+	str r6, [r2]
+	adds r0, r7, 0x4
+	adds r0, r3, r0
+	str r1, [r0]
+	adds r0, r2, 0
+	b _0800A9B8
+_0800A994:
+	ldr r0, _0800A9C4
+	ldr r0, [r0]
+	movs r4, 0
+	ldr r5, _0800A9C8
+	adds r7, r5, 0
+_0800A99E:
+	adds r0, 0x1
+	cmp r0, 0x3F
+	ble _0800A9A6
+	movs r0, 0
+_0800A9A6:
+	lsls r3, r0, 3
+	adds r2, r3, r5
+	ldr r1, [r2]
+	cmp r1, 0
+	beq _0800A988
+	adds r4, 0x1
+	cmp r4, 0x3F
+	ble _0800A99E
+_0800A9B6:
+	movs r0, 0
+_0800A9B8:
+	add sp, 0x12C
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	.align 2, 0
+_0800A9C4: .4byte gUnknown_203B094
+_0800A9C8: .4byte gUnknown_202D2A8
+	thumb_func_end OpenFile
+
+	thumb_func_start GetFileDataPtrFromFileEntry
+GetFileDataPtrFromFileEntry:
+	ldr r1, [r0]
+	ldr r1, [r1, 0x4]
+	str r1, [r0, 0x4]
+	adds r0, r1, 0
+	bx lr
+	thumb_func_end GetFileDataPtrFromFileEntry
+
+	thumb_func_start GetFileDataPtr
+GetFileDataPtr:
+	push {r4,lr}
+	adds r4, r0, 0
+	bl GetFileDataPtrFromFileEntry
+	adds r0, r4, 0
+	bl GetSiroPtr
+	pop {r4}
+	pop {r1}
+	bx r1
+	thumb_func_end GetFileDataPtr
+
+	thumb_func_start OpenFileAndGetFileDataPtr
+OpenFileAndGetFileDataPtr:
+	push {r4,lr}
+	bl OpenFile
+	adds r4, r0, 0
+	cmp r4, 0
+	beq _0800A9FE
+	movs r1, 0
+	bl GetFileDataPtr
+_0800A9FE:
+	adds r0, r4, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	thumb_func_end OpenFileAndGetFileDataPtr
+
+	thumb_func_start Call_OpenFileAndGetFileDataPtr
+Call_OpenFileAndGetFileDataPtr:
+	push {lr}
+	bl OpenFileAndGetFileDataPtr
+	pop {r1}
+	bx r1
+	thumb_func_end Call_OpenFileAndGetFileDataPtr
+
+	thumb_func_start CloseFile
+CloseFile:
+	push {r4,r5,lr}
+	adds r4, r0, 0
+	movs r1, 0
+	ldr r0, _0800AA30
+	movs r3, 0
+	ldr r5, _0800AA34
+	adds r2, r0, 0x4
+_0800AA22:
+	cmp r0, r4
+	bne _0800AA38
+	str r3, [r0]
+	str r3, [r2]
+	str r1, [r5]
+	b _0800AA42
+	.align 2, 0
+_0800AA30: .4byte gUnknown_202D2A8
+_0800AA34: .4byte gUnknown_203B094
+_0800AA38:
+	adds r2, 0x8
+	adds r0, 0x8
+	adds r1, 0x1
+	cmp r1, 0x3F
+	ble _0800AA22
+_0800AA42:
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	thumb_func_end CloseFile
+
+	thumb_func_start GetSiroPtr
+GetSiroPtr:
+	push {r4,r5,lr}
+	adds r5, r0, 0
+	ldr r4, [r5, 0x4]
+	ldr r1, [r4]
+	ldr r0, _0800AA60
+	cmp r1, r0
+	beq _0800AA68
+	ldr r0, _0800AA64
+	cmp r1, r0
+	beq _0800AA6E
+	adds r0, r4, 0
+	b _0800AA72
+	.align 2, 0
+_0800AA60: .4byte 0x30524953
+_0800AA64: .4byte 0x4f524953
+_0800AA68:
+	adds r0, r4, 0
+	bl NDS_DecompressRLE
+_0800AA6E:
+	ldr r0, [r4, 0x4]
+	str r0, [r5, 0x4]
+_0800AA72:
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	thumb_func_end GetSiroPtr
+
+	thumb_func_start UnusedGetSir0Ptr
+UnusedGetSir0Ptr:
+	push {r4,lr}
+	adds r4, r0, 0
+	ldr r1, [r4]
+	ldr r0, _0800AA90
+	cmp r1, r0
+	bne _0800AA94
+	adds r0, r4, 0
+	bl NDS_DecompressRLE
+	ldr r0, [r4, 0x4]
+	b _0800AA96
+	.align 2, 0
+_0800AA90: .4byte 0x30524953
+_0800AA94:
+	adds r0, r4, 0
+_0800AA96:
+	pop {r4}
+	pop {r1}
+	bx r1
+	thumb_func_end UnusedGetSir0Ptr
+
+	thumb_func_start NDS_DecompressRLE
+NDS_DecompressRLE:
+	bx lr
+	thumb_func_end NDS_DecompressRLE
+
+	.align 2, 0 @ Don't pad with nop.
diff --git a/ld_script.txt b/ld_script.txt
index 14d1053..a5403f2 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -43,6 +43,8 @@ SECTIONS {
         asm/code_80047E8.o(.text);
         src/random.o(.text);
         asm/code_8006218.o(.text);
+        asm/file_system.o(.text);
+        asm/code_800AAA0.o(.text);
         src/main.o(.text);
         asm/code_800B540.o(.text);
         asm/m4a.o(.text);