.include "asm/macros.inc"
	.include "constants/constants.inc"

	.syntax unified

	.text

	thumb_func_start CopyToBgTilemapBufferRect_ChangePalette
@ void CopyToBgTilemapBufferRect_ChangePalette(u8 bg, void *src, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette)
CopyToBgTilemapBufferRect_ChangePalette: @ 80024D8
	push {r4-r6,lr}
	sub sp, 0x24
	ldr r4, [sp, 0x34]
	ldr r5, [sp, 0x38]
	ldr r6, [sp, 0x3C]
	lsls r0, 24
	lsrs r0, 24
	lsls r2, 24
	lsrs r2, 24
	lsls r3, 24
	lsrs r3, 24
	lsls r4, 24
	lsrs r4, 24
	lsls r5, 24
	lsrs r5, 24
	lsls r6, 24
	lsrs r6, 24
	str r4, [sp]
	str r5, [sp, 0x4]
	str r2, [sp, 0x8]
	str r3, [sp, 0xC]
	str r4, [sp, 0x10]
	str r5, [sp, 0x14]
	str r6, [sp, 0x18]
	movs r2, 0
	str r2, [sp, 0x1C]
	str r2, [sp, 0x20]
	movs r3, 0
	bl CopyRectToBgTilemapBufferRect
	add sp, 0x24
	pop {r4-r6}
	pop {r0}
	bx r0
	thumb_func_end CopyToBgTilemapBufferRect_ChangePalette

	thumb_func_start CopyRectToBgTilemapBufferRect
@ void CopyRectToBgTilemapBufferRect(u8 bg, void *src, u8 srcX, u8 srcY, u8 srcWidth, u8 srcHeight, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette1, u16 tileOffset, u16 palette2)
CopyRectToBgTilemapBufferRect: @ 800251C
	push {r4-r7,lr}
	mov r7, r10
	mov r6, r9
	mov r5, r8
	push {r5-r7}
	sub sp, 0x40
	str r1, [sp, 0x8]
	ldr r1, [sp, 0x60]
	ldr r4, [sp, 0x68]
	ldr r5, [sp, 0x6C]
	ldr r6, [sp, 0x70]
	ldr r7, [sp, 0x74]
	mov r8, r7
	ldr r7, [sp, 0x78]
	mov r9, r7
	ldr r7, [sp, 0x7C]
	mov r10, r7
	ldr r7, [sp, 0x80]
	mov r12, r7
	lsls r0, 24
	lsrs r0, 24
	str r0, [sp, 0x4]
	lsls r2, 24
	lsrs r2, 24
	str r2, [sp, 0xC]
	lsls r3, 24
	lsrs r3, 24
	str r3, [sp, 0x10]
	lsls r1, 24
	lsrs r7, r1, 24
	lsls r4, 24
	lsrs r4, 24
	str r4, [sp, 0x14]
	lsls r5, 24
	lsrs r5, 24
	lsls r6, 24
	lsrs r6, 24
	str r6, [sp, 0x18]
	mov r0, r8
	lsls r0, 24
	lsrs r4, r0, 24
	mov r1, r9
	lsls r1, 24
	lsrs r1, 24
	str r1, [sp, 0x1C]
	mov r2, r10
	lsls r2, 16
	lsrs r2, 16
	str r2, [sp, 0x20]
	mov r0, r12
	lsls r0, 16
	lsrs r0, 16
	str r0, [sp, 0x24]
	ldr r0, [sp, 0x4]
	bl IsInvalidBgDuplicate
	cmp r0, 0
	beq _08002592
	b _080026EE
_08002592:
	ldr r0, [sp, 0x4]
	bl IsTileMapOutsideWram
	cmp r0, 0
	beq _0800259E
	b _080026EE
_0800259E:
	ldr r0, [sp, 0x4]
	movs r1, 0x4
	bl GetBgControlAttribute
	lsls r0, 16
	lsrs r0, 16
	str r0, [sp, 0x30]
	ldr r0, [sp, 0x4]
	movs r1, 0x1
	bl GetBgMetricTextMode
	lsls r0, 21
	lsrs r0, 16
	str r0, [sp, 0x28]
	ldr r0, [sp, 0x4]
	movs r1, 0x2
	bl GetBgMetricTextMode
	lsls r0, 21
	lsrs r0, 16
	str r0, [sp, 0x2C]
	ldr r0, [sp, 0x4]
	bl GetBgType
	cmp r0, 0
	beq _080025D8
	cmp r0, 0x1
	beq _08002674
	b _080026EE
_080025D8:
	ldr r1, [sp, 0x10]
	adds r0, r1, 0
	muls r0, r7
	ldr r2, [sp, 0xC]
	adds r0, r2
	lsls r0, 1
	ldr r1, [sp, 0x8]
	adds r6, r1, r0
	adds r0, r5, r4
	cmp r5, r0
	blt _080025F0
	b _080026EE
_080025F0:
	ldr r2, [sp, 0x18]
	subs r2, r7, r2
	str r2, [sp, 0x34]
	str r0, [sp, 0x38]
_080025F8:
	ldr r4, [sp, 0x14]
	ldr r7, [sp, 0x18]
	adds r0, r4, r7
	adds r1, r5, 0x1
	str r1, [sp, 0x3C]
	cmp r4, r0
	bge _0800265A
	ldr r2, [sp, 0x4]
	lsls r0, r2, 4
	ldr r1, =gUnknown_030008FC
	adds r0, r1
	mov r10, r0
	ldr r7, [sp, 0x20]
	lsls r7, 16
	mov r9, r7
	ldr r1, [sp, 0x24]
	lsls r0, r1, 16
	asrs r0, 16
	mov r8, r0
_0800261E:
	ldr r2, [sp, 0x2C]
	str r2, [sp]
	adds r0, r4, 0
	adds r1, r5, 0
	ldr r2, [sp, 0x30]
	ldr r3, [sp, 0x28]
	bl GetTileMapIndexFromCoords
	lsls r0, 16
	lsrs r0, 15
	mov r7, r10
	ldr r1, [r7]
	adds r1, r0
	mov r0, r8
	str r0, [sp]
	adds r0, r6, 0
	ldr r2, [sp, 0x1C]
	mov r7, r9
	asrs r3, r7, 16
	bl CopyTileMapEntry
	adds r6, 0x2
	adds r0, r4, 0x1
	lsls r0, 16
	lsrs r4, r0, 16
	ldr r1, [sp, 0x14]
	ldr r2, [sp, 0x18]
	adds r0, r1, r2
	cmp r4, r0
	blt _0800261E
_0800265A:
	ldr r5, [sp, 0x34]
	lsls r0, r5, 1
	adds r6, r0
	ldr r7, [sp, 0x3C]
	lsls r0, r7, 16
	lsrs r5, r0, 16
	ldr r0, [sp, 0x38]
	cmp r5, r0
	blt _080025F8
	b _080026EE
	.pool
_08002674:
	ldr r1, [sp, 0x10]
	adds r0, r1, 0
	muls r0, r7
	ldr r2, [sp, 0xC]
	adds r0, r2
	ldr r1, [sp, 0x8]
	adds r6, r1, r0
	ldr r0, [sp, 0x4]
	movs r1, 0x1
	bl GetBgMetricAffineMode
	lsls r0, 16
	lsrs r0, 16
	mov r9, r0
	adds r0, r5, r4
	cmp r5, r0
	bge _080026EE
	ldr r2, [sp, 0x18]
	subs r2, r7, r2
	str r2, [sp, 0x34]
	str r0, [sp, 0x38]
	ldr r7, =gUnknown_030008FC
	mov r10, r7
	ldr r0, [sp, 0x4]
	lsls r0, 4
	mov r8, r0
_080026A8:
	ldr r4, [sp, 0x14]
	ldr r1, [sp, 0x18]
	adds r0, r4, r1
	adds r2, r5, 0x1
	str r2, [sp, 0x3C]
	cmp r4, r0
	bge _080026DE
	mov r3, r8
	add r3, r10
	mov r7, r9
	muls r7, r5
	mov r12, r7
	adds r2, r0, 0
_080026C2:
	ldr r1, [r3]
	mov r5, r12
	adds r0, r5, r4
	adds r1, r0
	ldrb r0, [r6]
	ldr r7, [sp, 0x20]
	adds r0, r7
	strb r0, [r1]
	adds r6, 0x1
	adds r0, r4, 0x1
	lsls r0, 16
	lsrs r4, r0, 16
	cmp r4, r2
	blt _080026C2
_080026DE:
	ldr r0, [sp, 0x34]
	adds r6, r0
	ldr r1, [sp, 0x3C]
	lsls r0, r1, 16
	lsrs r5, r0, 16
	ldr r2, [sp, 0x38]
	cmp r5, r2
	blt _080026A8
_080026EE:
	add sp, 0x40
	pop {r3-r5}
	mov r8, r3
	mov r9, r4
	mov r10, r5
	pop {r4-r7}
	pop {r0}
	bx r0
	.pool
	thumb_func_end CopyRectToBgTilemapBufferRect

	thumb_func_start FillBgTilemapBufferRect_Palette0
@ void FillBgTilemapBufferRect_Palette0(u8 bg, u16 tileNum, u8 x, u8 y, u8 width, u8 height)
FillBgTilemapBufferRect_Palette0: @ 8002704
	push {r4-r7,lr}
	mov r7, r10
	mov r6, r9
	mov r5, r8
	push {r5-r7}
	sub sp, 0x4
	ldr r4, [sp, 0x24]
	ldr r5, [sp, 0x28]
	lsls r0, 24
	lsrs r6, r0, 24
	lsls r1, 16
	lsrs r1, 16
	mov r8, r1
	lsls r2, 24
	lsrs r2, 24
	mov r10, r2
	lsls r3, 24
	lsrs r7, r3, 24
	lsls r4, 24
	lsrs r4, 24
	mov r9, r4
	lsls r5, 24
	lsrs r5, 24
	adds r0, r6, 0
	bl IsInvalidBgDuplicate
	cmp r0, 0
	bne _080027F0
	adds r0, r6, 0
	bl IsTileMapOutsideWram
	cmp r0, 0
	bne _080027F0
	adds r0, r6, 0
	bl GetBgType
	cmp r0, 0
	beq _08002756
	cmp r0, 0x1
	beq _080027A0
	b _080027F0
_08002756:
	adds r3, r7, 0
	adds r5, r3, r5
	cmp r3, r5
	bge _080027F0
	adds r7, r5, 0
	lsls r1, r6, 4
	ldr r0, =gUnknown_030008FC
	adds r1, r0
	mov r12, r1
_08002768:
	mov r2, r10
	mov r1, r9
	adds r0, r2, r1
	adds r6, r3, 0x1
	cmp r2, r0
	bge _08002790
	mov r5, r12
	ldr r4, [r5]
	lsls r3, 5
	adds r1, r0, 0
_0800277C:
	adds r0, r3, r2
	lsls r0, 1
	adds r0, r4
	mov r5, r8
	strh r5, [r0]
	adds r0, r2, 0x1
	lsls r0, 16
	lsrs r2, r0, 16
	cmp r2, r1
	blt _0800277C
_08002790:
	lsls r0, r6, 16
	lsrs r3, r0, 16
	cmp r3, r7
	blt _08002768
	b _080027F0
	.pool
_080027A0:
	adds r0, r6, 0
	movs r1, 0x1
	bl GetBgMetricAffineMode
	lsls r0, 16
	lsrs r0, 16
	str r0, [sp]
	adds r3, r7, 0
	adds r5, r3, r5
	cmp r3, r5
	bge _080027F0
	adds r7, r5, 0
	lsls r6, 4
	mov r12, r6
_080027BC:
	mov r2, r10
	mov r1, r9
	adds r0, r2, r1
	adds r6, r3, 0x1
	cmp r2, r0
	bge _080027E8
	ldr r5, =gUnknown_030008FC
	add r5, r12
	ldr r1, [sp]
	adds r4, r3, 0
	muls r4, r1
	adds r3, r0, 0
_080027D4:
	ldr r0, [r5]
	adds r1, r4, r2
	adds r0, r1
	mov r1, r8
	strb r1, [r0]
	adds r0, r2, 0x1
	lsls r0, 16
	lsrs r2, r0, 16
	cmp r2, r3
	blt _080027D4
_080027E8:
	lsls r0, r6, 16
	lsrs r3, r0, 16
	cmp r3, r7
	blt _080027BC
_080027F0:
	add sp, 0x4
	pop {r3-r5}
	mov r8, r3
	mov r9, r4
	mov r10, r5
	pop {r4-r7}
	pop {r0}
	bx r0
	.pool
	thumb_func_end FillBgTilemapBufferRect_Palette0

	thumb_func_start FillBgTilemapBufferRect
@ void FillBgTilemapBufferRect(u8 bg, u16 tileNum, u8 x, u8 y, u8 width, u8 height, u8 palette)
FillBgTilemapBufferRect: @ 8002804
	push {r4-r6,lr}
	sub sp, 0x10
	ldr r4, [sp, 0x20]
	ldr r5, [sp, 0x24]
	ldr r6, [sp, 0x28]
	lsls r0, 24
	lsrs r0, 24
	lsls r1, 16
	lsrs r1, 16
	lsls r2, 24
	lsrs r2, 24
	lsls r3, 24
	lsrs r3, 24
	lsls r4, 24
	lsrs r4, 24
	lsls r5, 24
	lsrs r5, 24
	lsls r6, 24
	lsrs r6, 24
	str r4, [sp]
	str r5, [sp, 0x4]
	str r6, [sp, 0x8]
	movs r4, 0
	str r4, [sp, 0xC]
	bl WriteSequenceToBgTilemapBuffer
	add sp, 0x10
	pop {r4-r6}
	pop {r0}
	bx r0
	thumb_func_end FillBgTilemapBufferRect

	thumb_func_start WriteSequenceToBgTilemapBuffer
@ void WriteSequenceToBgTilemapBuffer(u8 bg, u16 firstTileNum, u8 x, u8 y, u8 width, u8 height, u8 paletteSlot, u16 tileNumDelta)
WriteSequenceToBgTilemapBuffer: @ 8002840
	push {r4-r7,lr}
	mov r7, r10
	mov r6, r9
	mov r5, r8
	push {r5-r7}
	sub sp, 0x2C
	ldr r4, [sp, 0x4C]
	ldr r5, [sp, 0x50]
	ldr r6, [sp, 0x54]
	ldr r7, [sp, 0x58]
	mov r8, r7
	lsls r0, 24
	lsrs r0, 24
	mov r9, r0
	add r0, sp, 0x4
	strh r1, [r0]
	lsls r2, 24
	lsrs r2, 24
	str r2, [sp, 0x8]
	lsls r3, 24
	lsrs r7, r3, 24
	lsls r4, 24
	lsrs r4, 24
	mov r10, r4
	lsls r5, 24
	lsrs r4, r5, 24
	lsls r6, 24
	lsrs r6, 24
	str r6, [sp, 0xC]
	mov r0, r8
	lsls r0, 16
	lsrs r0, 16
	str r0, [sp, 0x10]
	mov r0, r9
	bl IsInvalidBgDuplicate
	cmp r0, 0
	beq _0800288E
	b _080029D4
_0800288E:
	mov r0, r9
	bl IsTileMapOutsideWram
	cmp r0, 0
	beq _0800289A
	b _080029D4
_0800289A:
	mov r0, r9
	movs r1, 0x4
	bl GetBgControlAttribute
	lsls r0, 16
	lsrs r0, 16
	str r0, [sp, 0x1C]
	mov r0, r9
	movs r1, 0x1
	bl GetBgMetricTextMode
	lsls r0, 21
	lsrs r0, 16
	str r0, [sp, 0x14]
	mov r0, r9
	movs r1, 0x2
	bl GetBgMetricTextMode
	lsls r0, 21
	lsrs r0, 16
	str r0, [sp, 0x18]
	mov r0, r9
	bl GetBgType
	cmp r0, 0
	beq _080028D4
	cmp r0, 0x1
	beq _0800295C
	b _080029D4
_080028D4:
	adds r5, r7, 0
	adds r0, r5, r4
	cmp r5, r0
	bge _080029D4
	str r0, [sp, 0x24]
	add r7, sp, 0x4
_080028E0:
	ldr r4, [sp, 0x8]
	mov r1, r10
	adds r0, r4, r1
	adds r2, r5, 0x1
	mov r8, r2
	cmp r4, r0
	bge _08002944
	mov r3, r9
	lsls r1, r3, 4
	ldr r0, =gUnknown_030008FC
	adds r6, r1, r0
_080028F6:
	ldr r0, [sp, 0x18]
	str r0, [sp]
	adds r0, r4, 0
	adds r1, r5, 0
	ldr r2, [sp, 0x1C]
	ldr r3, [sp, 0x14]
	bl GetTileMapIndexFromCoords
	lsls r0, 16
	lsrs r0, 15
	ldr r1, [r6]
	adds r1, r0
	movs r0, 0
	str r0, [sp]
	add r0, sp, 0x4
	ldr r2, [sp, 0xC]
	movs r3, 0
	bl CopyTileMapEntry
	ldrh r0, [r7]
	movs r2, 0xFC
	lsls r2, 8
	adds r1, r2, 0
	adds r2, r0, 0
	ands r2, r1
	ldr r3, [sp, 0x10]
	adds r0, r3
	ldr r3, =0x000003ff
	adds r1, r3, 0
	ands r0, r1
	adds r2, r0
	strh r2, [r7]
	adds r0, r4, 0x1
	lsls r0, 16
	lsrs r4, r0, 16
	ldr r0, [sp, 0x8]
	add r0, r10
	cmp r4, r0
	blt _080028F6
_08002944:
	mov r1, r8
	lsls r0, r1, 16
	lsrs r5, r0, 16
	ldr r2, [sp, 0x24]
	cmp r5, r2
	blt _080028E0
	b _080029D4
	.pool
_0800295C:
	mov r0, r9
	movs r1, 0x1
	bl GetBgMetricAffineMode
	lsls r0, 16
	lsrs r0, 16
	str r0, [sp, 0x20]
	adds r5, r7, 0
	adds r0, r5, r4
	cmp r5, r0
	bge _080029D4
	str r0, [sp, 0x24]
	mov r3, r9
	lsls r3, 4
	mov r12, r3
_0800297A:
	ldr r4, [sp, 0x8]
	mov r7, r10
	adds r0, r4, r7
	adds r1, r5, 0x1
	mov r8, r1
	cmp r4, r0
	bge _080029C8
	ldr r2, =gUnknown_030008FC
	add r2, r12
	str r2, [sp, 0x28]
	ldr r7, [sp, 0x20]
	adds r3, r5, 0
	muls r3, r7
	add r2, sp, 0x4
	movs r1, 0xFC
	lsls r1, 8
	mov r9, r1
	ldr r7, =0x000003ff
	adds r5, r7, 0
	adds r6, r0, 0
_080029A2:
	ldr r0, [sp, 0x28]
	ldr r1, [r0]
	adds r0, r3, r4
	adds r1, r0
	ldrh r0, [r2]
	strb r0, [r1]
	ldrh r0, [r2]
	mov r1, r9
	ands r1, r0
	ldr r7, [sp, 0x10]
	adds r0, r7
	ands r0, r5
	adds r1, r0
	strh r1, [r2]
	adds r0, r4, 0x1
	lsls r0, 16
	lsrs r4, r0, 16
	cmp r4, r6
	blt _080029A2
_080029C8:
	mov r1, r8
	lsls r0, r1, 16
	lsrs r5, r0, 16
	ldr r2, [sp, 0x24]
	cmp r5, r2
	blt _0800297A
_080029D4:
	add sp, 0x2C
	pop {r3-r5}
	mov r8, r3
	mov r9, r4
	mov r10, r5
	pop {r4-r7}
	pop {r0}
	bx r0
	.pool
	thumb_func_end WriteSequenceToBgTilemapBuffer

	thumb_func_start GetBgMetricTextMode
@ u16 GetBgMetricTextMode(u8 bg, u8 whichMetric)
GetBgMetricTextMode: @ 80029EC
	push {r4,r5,lr}
	lsls r0, 24
	lsrs r0, 24
	lsls r1, 24
	lsrs r4, r1, 24
	adds r5, r4, 0
	movs r1, 0x4
	bl GetBgControlAttribute
	lsls r0, 24
	lsrs r0, 24
	cmp r4, 0x1
	beq _08002A2C
	cmp r4, 0x1
	bgt _08002A10
	cmp r4, 0
	beq _08002A16
	b _08002A52
_08002A10:
	cmp r5, 0x2
	beq _08002A3E
	b _08002A52
_08002A16:
	cmp r0, 0x2
	bgt _08002A24
	cmp r0, 0x1
	bge _08002A4E
_08002A1E:
	cmp r0, 0
	beq _08002A46
	b _08002A52
_08002A24:
	cmp r0, 0x3
	bne _08002A52
	movs r0, 0x4
	b _08002A54
_08002A2C:
	cmp r0, 0x1
	beq _08002A4E
	cmp r0, 0x1
	ble _08002A1E
	cmp r0, 0x2
	beq _08002A46
	cmp r0, 0x3
	bne _08002A52
	b _08002A4E
_08002A3E:
	cmp r0, 0
	blt _08002A52
	cmp r0, 0x1
	bgt _08002A4A
_08002A46:
	movs r0, 0x1
	b _08002A54
_08002A4A:
	cmp r0, 0x3
	bgt _08002A52
_08002A4E:
	movs r0, 0x2
	b _08002A54
_08002A52:
	movs r0, 0
_08002A54:
	pop {r4,r5}
	pop {r1}
	bx r1
	thumb_func_end GetBgMetricTextMode

	thumb_func_start GetBgMetricAffineMode
@ u16 GetBgMetricAffineMode(u8 bg, u8 whichMetric)
GetBgMetricAffineMode: @ 8002A5C
	push {r4,lr}
	lsls r0, 24
	lsrs r0, 24
	lsls r1, 24
	lsrs r4, r1, 24
	movs r1, 0x4
	bl GetBgControlAttribute
	lsls r0, 24
	lsrs r1, r0, 24
	adds r0, r1, 0
	cmp r4, 0
	beq _08002A84
	cmp r4, 0
	blt _08002AAC
	cmp r4, 0x2
	bgt _08002AAC
	movs r0, 0x10
	lsls r0, r1
	b _08002AAE
_08002A84:
	cmp r1, 0x1
	beq _08002AA0
	cmp r1, 0x1
	bgt _08002A92
	cmp r1, 0
	beq _08002A9C
	b _08002AAC
_08002A92:
	cmp r0, 0x2
	beq _08002AA4
	cmp r0, 0x3
	beq _08002AA8
	b _08002AAC
_08002A9C:
	movs r0, 0x1
	b _08002AAE
_08002AA0:
	movs r0, 0x4
	b _08002AAE
_08002AA4:
	movs r0, 0x10
	b _08002AAE
_08002AA8:
	movs r0, 0x40
	b _08002AAE
_08002AAC:
	movs r0, 0
_08002AAE:
	pop {r4}
	pop {r1}
	bx r1
	thumb_func_end GetBgMetricAffineMode

	thumb_func_start GetTileMapIndexFromCoords
@ u32 GetTileMapIndexFromCoords(u32 x, u32 y, u32 screenSize, u32 screenWidth, u32 screenHeight)
GetTileMapIndexFromCoords: @ 8002AB4
	push {r4,lr}
	adds r4, r0, 0
	ldr r0, [sp, 0x8]
	subs r3, 0x1
	ands r4, r3
	subs r0, 0x1
	ands r1, r0
	cmp r2, 0x1
	beq _08002AD8
	cmp r2, 0x1
	ble _08002AE0
	cmp r2, 0x2
	beq _08002AE0
	cmp r2, 0x3
	bne _08002AE0
	cmp r1, 0x1F
	ble _08002AD8
	adds r1, 0x20
_08002AD8:
	cmp r4, 0x1F
	ble _08002AE0
	subs r4, 0x20
	adds r1, 0x20
_08002AE0:
	lsls r0, r1, 5
	adds r0, r4
	pop {r4}
	pop {r1}
	bx r1
	thumb_func_end GetTileMapIndexFromCoords

	thumb_func_start CopyTileMapEntry
@ void CopyTileMapEntry(u16 *src, u16 *dest, s32 palette1, u16 tileOffset, u32 palette2)
CopyTileMapEntry: @ 8002AEC
	push {r4-r6,lr}
	adds r4, r0, 0
	adds r6, r1, 0
	ldr r5, [sp, 0x10]
	cmp r2, 0x10
	beq _08002B14
	cmp r2, 0x10
	bgt _08002B34
	cmp r2, 0
	blt _08002B34
	ldrh r0, [r4]
	adds r0, r3
	ldr r3, =0x00000fff
	adds r1, r3, 0
	ands r0, r1
	adds r1, r2, r5
	lsls r1, 12
	b _08002B3A
	.pool
_08002B14:
	ldrh r1, [r6]
	movs r0, 0xFC
	lsls r0, 8
	ands r1, r0
	lsls r2, r5, 12
	adds r2, r1, r2
	ldrh r0, [r4]
	adds r0, r3
	ldr r3, =0x000003ff
	adds r1, r3, 0
	ands r0, r1
	orrs r0, r2
	b _08002B3C
	.pool
_08002B34:
	ldrh r0, [r4]
	adds r0, r3
	lsls r1, r5, 12
_08002B3A:
	adds r0, r1
_08002B3C:
	lsls r0, 16
	lsrs r1, r0, 16
	strh r1, [r6]
	pop {r4-r6}
	pop {r0}
	bx r0
	thumb_func_end CopyTileMapEntry

	thumb_func_start GetBgType
@ u16 GetBgType(u8 bg)
GetBgType: @ 8002B48
	push {r4,r5,lr}
	lsls r0, 24
	lsrs r4, r0, 24
	adds r5, r4, 0
	bl GetBgMode
	lsls r0, 24
	lsrs r0, 24
	cmp r4, 0x2
	beq _08002B76
	cmp r4, 0x2
	ble _08002B66
	cmp r4, 0x3
	beq _08002B86
	b _08002B8E
_08002B66:
	cmp r5, 0
	blt _08002B8E
	cmp r0, 0x1
	bgt _08002B8E
	cmp r0, 0
	blt _08002B8E
_08002B72:
	movs r0, 0
	b _08002B90
_08002B76:
	cmp r0, 0
	beq _08002B72
	cmp r0, 0
	blt _08002B8E
	cmp r0, 0x2
	bgt _08002B8E
_08002B82:
	movs r0, 0x1
	b _08002B90
_08002B86:
	cmp r0, 0
	beq _08002B72
	cmp r0, 0x2
	beq _08002B82
_08002B8E:
	ldr r0, =0x0000ffff
_08002B90:
	pop {r4,r5}
	pop {r1}
	bx r1
	.pool
	thumb_func_end GetBgType

	thumb_func_start IsInvalidBgDuplicate
@ bool8 IsInvalidBgDuplicate(u8 bg)
IsInvalidBgDuplicate: @ 8002B9C
	push {lr}
	lsls r0, 24
	lsrs r0, 24
	cmp r0, 0x3
	bhi _08002BAA
	movs r0, 0
	b _08002BAC
_08002BAA:
	movs r0, 0x1
_08002BAC:
	pop {r1}
	bx r1
	thumb_func_end IsInvalidBgDuplicate

	thumb_func_start IsTileMapOutsideWram
@ bool8 IsTileMapOutsideWram(u8 bg)
IsTileMapOutsideWram: @ 8002BB0
	push {lr}
	lsls r0, 24
	ldr r1, =gUnknown_030008F8
	lsrs r0, 20
	adds r1, 0x4
	adds r0, r1
	ldr r1, [r0]
	ldr r0, =0x03008000
	cmp r1, r0
	bhi _08002BD4
	cmp r1, 0
	beq _08002BD4
	movs r0, 0
	b _08002BD6
	.pool
_08002BD4:
	movs r0, 0x1
_08002BD6:
	pop {r1}
	bx r1
	thumb_func_end IsTileMapOutsideWram

	.align 2, 0 @ Don't pad with nop.