Decompile field camera

1 files changed, 0 insertions, 1153 deletions

diff --git a/asm/field_camera.s b/asm/field_camera.s
deleted file mode 100644
index 35359f444..000000000
--- a/asm/field_camera.s
+++ /dev/null
@@ -1,1153 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start move_tilemap_camera_to_upper_left_corner_
-@ void move_tilemap_camera_to_upper_left_corner_(struc_28 *a1)
-move_tilemap_camera_to_upper_left_corner_: @ 8089B58
-	movs r1, 0
-	strb r1, [r0, 0x2]
-	strb r1, [r0, 0x3]
-	strb r1, [r0]
-	strb r1, [r0, 0x1]
-	movs r1, 0x1
-	strb r1, [r0, 0x4]
-	bx lr
-	thumb_func_end move_tilemap_camera_to_upper_left_corner_
-
-	thumb_func_start tilemap_move_something
-@ void tilemap_move_something(struct struc_28 *, u8 deltaX, u8 deltaY)
-tilemap_move_something: @ 8089B68
-	ldrb r3, [r0, 0x2]
-	adds r3, r1
-	strb r3, [r0, 0x2]
-	ldrb r1, [r0, 0x2]
-	movs r3, 0x1F
-	ands r1, r3
-	strb r1, [r0, 0x2]
-	ldrb r1, [r0, 0x3]
-	adds r1, r2
-	strb r1, [r0, 0x3]
-	ldrb r1, [r0, 0x3]
-	ands r1, r3
-	strb r1, [r0, 0x3]
-	bx lr
-	thumb_func_end tilemap_move_something
-
-	thumb_func_start coords8_add
-@ void coords8_add(struct coords8 *coords, u8 x, u8 y)
-coords8_add: @ 8089B84
-	ldrb r3, [r0]
-	adds r3, r1
-	strb r3, [r0]
-	ldrb r1, [r0, 0x1]
-	adds r1, r2
-	strb r1, [r0, 0x1]
-	bx lr
-	thumb_func_end coords8_add
-
-	thumb_func_start move_tilemap_camera_to_upper_left_corner
-@ void move_tilemap_camera_to_upper_left_corner()
-move_tilemap_camera_to_upper_left_corner: @ 8089B94
-	push {lr}
-	ldr r0, =gUnknown_03000E20
-	bl move_tilemap_camera_to_upper_left_corner_
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end move_tilemap_camera_to_upper_left_corner
-
-	thumb_func_start FieldUpdateBgTilemapScroll
-@ void FieldUpdateBgTilemapScroll()
-FieldUpdateBgTilemapScroll: @ 8089BA4
-	push {r4,r5,lr}
-	ldr r1, =gUnknown_03000E20
-	ldr r0, =gUnknown_03000E28
-	movs r2, 0
-	ldrsh r5, [r0, r2]
-	ldrb r0, [r1]
-	adds r5, r0
-	ldr r0, =gUnknown_03000E2A
-	movs r2, 0
-	ldrsh r4, [r0, r2]
-	ldrb r1, [r1, 0x1]
-	adds r4, r1
-	adds r4, 0x8
-	lsls r5, 16
-	lsrs r5, 16
-	movs r0, 0x14
-	adds r1, r5, 0
-	bl SetGpuReg
-	lsls r4, 16
-	lsrs r4, 16
-	movs r0, 0x16
-	adds r1, r4, 0
-	bl SetGpuReg
-	movs r0, 0x18
-	adds r1, r5, 0
-	bl SetGpuReg
-	movs r0, 0x1A
-	adds r1, r4, 0
-	bl SetGpuReg
-	movs r0, 0x1C
-	adds r1, r5, 0
-	bl SetGpuReg
-	movs r0, 0x1E
-	adds r1, r4, 0
-	bl SetGpuReg
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end FieldUpdateBgTilemapScroll
-
-	thumb_func_start sub_8089C08
-sub_8089C08: @ 8089C08
-	push {r4,lr}
-	ldr r3, =gUnknown_03000E20
-	ldr r2, =gUnknown_03000E28
-	ldrh r2, [r2]
-	ldrb r4, [r3]
-	adds r2, r4
-	strh r2, [r0]
-	ldr r0, =gUnknown_03000E2A
-	ldrh r0, [r0]
-	ldrb r3, [r3, 0x1]
-	adds r0, r3
-	adds r0, 0x8
-	strh r0, [r1]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8089C08
-
-	thumb_func_start DrawWholeMapView
-@ void DrawWholeMapView()
-DrawWholeMapView: @ 8089C34
-	push {lr}
-	ldr r0, =gSaveBlock1Ptr
-	ldr r1, [r0]
-	movs r2, 0
-	ldrsh r0, [r1, r2]
-	movs r2, 0x2
-	ldrsh r1, [r1, r2]
-	ldr r2, =gMapHeader
-	ldr r2, [r2]
-	bl DrawWholeMapViewInternal
-	ldr r1, =gUnknown_03000E20
-	movs r0, 0x1
-	strb r0, [r1, 0x4]
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end DrawWholeMapView
-
-	thumb_func_start DrawWholeMapViewInternal
-@ void DrawWholeMapViewInternal(s32 x, s32 y, struct mapdata_header *mapGrid)
-DrawWholeMapViewInternal: @ 8089C60
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x4
-	mov r10, r0
-	mov r9, r1
-	mov r8, r2
-	movs r1, 0
-_08089C74:
-	ldr r2, =gUnknown_03000E20
-	ldrb r0, [r2, 0x3]
-	adds r0, r1, r0
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1F
-	bls _08089C88
-	subs r0, 0x20
-	lsls r0, 24
-	lsrs r0, 24
-_08089C88:
-	lsls r6, r0, 5
-	movs r4, 0
-	adds r7, r1, 0x2
-	str r7, [sp]
-	lsrs r5, r1, 1
-_08089C92:
-	ldr r1, =gUnknown_03000E20
-	ldrb r0, [r1, 0x2]
-	adds r0, r4, r0
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1F
-	bls _08089CA6
-	subs r0, 0x20
-	lsls r0, 24
-	lsrs r0, 24
-_08089CA6:
-	adds r1, r6, r0
-	lsls r1, 16
-	lsrs r1, 16
-	lsrs r2, r4, 1
-	add r2, r10
-	mov r0, r8
-	mov r7, r9
-	adds r3, r7, r5
-	bl DrawMetatileAt
-	adds r0, r4, 0x2
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0x1F
-	bls _08089C92
-	ldr r1, [sp]
-	lsls r0, r1, 24
-	lsrs r1, r0, 24
-	cmp r1, 0x1F
-	bls _08089C74
-	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 DrawWholeMapViewInternal
-
-	thumb_func_start RedrawMapSlicesForCameraUpdate
-@ void RedrawMapSlicesForCameraUpdate(struct struc_28 *, u8 deltaX, u8 deltaY)
-RedrawMapSlicesForCameraUpdate: @ 8089CE4
-	push {r4-r7,lr}
-	adds r5, r0, 0
-	adds r6, r1, 0
-	adds r7, r2, 0
-	ldr r0, =gMapHeader
-	ldr r4, [r0]
-	cmp r6, 0
-	ble _08089CFC
-	adds r0, r5, 0
-	adds r1, r4, 0
-	bl RedrawMapSliceWest
-_08089CFC:
-	cmp r6, 0
-	bge _08089D08
-	adds r0, r5, 0
-	adds r1, r4, 0
-	bl RedrawMapSliceEast
-_08089D08:
-	cmp r7, 0
-	ble _08089D14
-	adds r0, r5, 0
-	adds r1, r4, 0
-	bl RedrawMapSliceNorth
-_08089D14:
-	cmp r7, 0
-	bge _08089D20
-	adds r0, r5, 0
-	adds r1, r4, 0
-	bl RedrawMapSliceSouth
-_08089D20:
-	movs r0, 0x1
-	strb r0, [r5, 0x4]
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end RedrawMapSlicesForCameraUpdate
-
-	thumb_func_start RedrawMapSliceNorth
-@ void RedrawMapSliceNorth(struct struc_28 *, struct mapdata_header *mapGrid)
-RedrawMapSliceNorth: @ 8089D30
-	push {r4-r7,lr}
-	adds r5, r0, 0
-	adds r7, r1, 0
-	ldrb r0, [r5, 0x3]
-	adds r0, 0x1C
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1F
-	bls _08089D48
-	subs r0, 0x20
-	lsls r0, 24
-	lsrs r0, 24
-_08089D48:
-	lsls r6, r0, 5
-	movs r4, 0
-_08089D4C:
-	ldrb r0, [r5, 0x2]
-	adds r0, r4, r0
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1F
-	bls _08089D5E
-	subs r0, 0x20
-	lsls r0, 24
-	lsrs r0, 24
-_08089D5E:
-	adds r1, r6, r0
-	lsls r1, 16
-	lsrs r1, 16
-	ldr r0, =gSaveBlock1Ptr
-	ldr r3, [r0]
-	movs r0, 0
-	ldrsh r2, [r3, r0]
-	lsrs r0, r4, 1
-	adds r2, r0
-	movs r0, 0x2
-	ldrsh r3, [r3, r0]
-	adds r3, 0xE
-	adds r0, r7, 0
-	bl DrawMetatileAt
-	adds r0, r4, 0x2
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0x1F
-	bls _08089D4C
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end RedrawMapSliceNorth
-
-	thumb_func_start RedrawMapSliceSouth
-@ void RedrawMapSliceSouth(struct struc_28 *, struct mapdata_header *mapGrid)
-RedrawMapSliceSouth: @ 8089D90
-	push {r4-r7,lr}
-	adds r5, r0, 0
-	adds r7, r1, 0
-	ldrb r0, [r5, 0x3]
-	lsls r6, r0, 5
-	movs r4, 0
-_08089D9C:
-	ldrb r0, [r5, 0x2]
-	adds r0, r4, r0
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1F
-	bls _08089DAE
-	subs r0, 0x20
-	lsls r0, 24
-	lsrs r0, 24
-_08089DAE:
-	adds r1, r6, r0
-	ldr r0, =gSaveBlock1Ptr
-	ldr r3, [r0]
-	movs r0, 0
-	ldrsh r2, [r3, r0]
-	lsrs r0, r4, 1
-	adds r2, r0
-	movs r0, 0x2
-	ldrsh r3, [r3, r0]
-	adds r0, r7, 0
-	bl DrawMetatileAt
-	adds r0, r4, 0x2
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0x1F
-	bls _08089D9C
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end RedrawMapSliceSouth
-
-	thumb_func_start RedrawMapSliceEast
-@ void RedrawMapSliceEast(struct struc_28 *, struct mapdata_header *mapGrid)
-RedrawMapSliceEast: @ 8089DDC
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	adds r5, r0, 0
-	mov r8, r1
-	ldrb r6, [r5, 0x2]
-	movs r4, 0
-_08089DEA:
-	ldrb r0, [r5, 0x3]
-	adds r0, r4, r0
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1F
-	bls _08089DFC
-	subs r0, 0x20
-	lsls r0, 24
-	lsrs r0, 24
-_08089DFC:
-	lsls r1, r0, 5
-	adds r1, r6
-	lsls r1, 16
-	lsrs r1, 16
-	ldr r0, =gSaveBlock1Ptr
-	ldr r0, [r0]
-	movs r3, 0
-	ldrsh r2, [r0, r3]
-	movs r7, 0x2
-	ldrsh r3, [r0, r7]
-	lsrs r0, r4, 1
-	adds r3, r0
-	mov r0, r8
-	bl DrawMetatileAt
-	adds r0, r4, 0x2
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0x1F
-	bls _08089DEA
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end RedrawMapSliceEast
-
-	thumb_func_start RedrawMapSliceWest
-@ void RedrawMapSliceWest(struct struc_28 *, struct mapdata_header *mapGrid)
-RedrawMapSliceWest: @ 8089E34
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	adds r6, r0, 0
-	mov r8, r1
-	ldrb r0, [r6, 0x2]
-	adds r0, 0x1C
-	lsls r0, 24
-	lsrs r5, r0, 24
-	cmp r5, 0x1F
-	bls _08089E52
-	adds r0, r5, 0
-	subs r0, 0x20
-	lsls r0, 24
-	lsrs r5, r0, 24
-_08089E52:
-	movs r4, 0
-_08089E54:
-	ldrb r0, [r6, 0x3]
-	adds r0, r4, r0
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1F
-	bls _08089E66
-	subs r0, 0x20
-	lsls r0, 24
-	lsrs r0, 24
-_08089E66:
-	lsls r1, r0, 5
-	adds r1, r5
-	lsls r1, 16
-	lsrs r1, 16
-	ldr r0, =gSaveBlock1Ptr
-	ldr r0, [r0]
-	movs r3, 0
-	ldrsh r2, [r0, r3]
-	adds r2, 0xE
-	movs r7, 0x2
-	ldrsh r3, [r0, r7]
-	lsrs r0, r4, 1
-	adds r3, r0
-	mov r0, r8
-	bl DrawMetatileAt
-	adds r0, r4, 0x2
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0x1F
-	bls _08089E54
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end RedrawMapSliceWest
-
-	thumb_func_start CurrentMapDrawMetatileAt
-@ void CurrentMapDrawMetatileAt(u32 x, u32 y)
-CurrentMapDrawMetatileAt: @ 8089EA0
-	push {r4-r6,lr}
-	adds r4, r0, 0
-	adds r5, r1, 0
-	ldr r6, =gUnknown_03000E20
-	adds r0, r6, 0
-	adds r1, r4, 0
-	adds r2, r5, 0
-	bl MapPosToBgTilemapOffset
-	adds r1, r0, 0
-	cmp r1, 0
-	blt _08089ECC
-	ldr r0, =gMapHeader
-	ldr r0, [r0]
-	lsls r1, 16
-	lsrs r1, 16
-	adds r2, r4, 0
-	adds r3, r5, 0
-	bl DrawMetatileAt
-	movs r0, 0x1
-	strb r0, [r6, 0x4]
-_08089ECC:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end CurrentMapDrawMetatileAt
-
-	thumb_func_start DrawDoorMetatileAt
-@ void DrawDoorMetatileAt(u32 x, u32 y, u16 *metatile)
-DrawDoorMetatileAt: @ 8089EDC
-	push {r4-r6,lr}
-	adds r3, r0, 0
-	adds r4, r1, 0
-	adds r5, r2, 0
-	ldr r6, =gUnknown_03000E20
-	adds r0, r6, 0
-	adds r1, r3, 0
-	adds r2, r4, 0
-	bl MapPosToBgTilemapOffset
-	cmp r0, 0
-	blt _08089F04
-	lsls r2, r0, 16
-	lsrs r2, 16
-	movs r0, 0x1
-	adds r1, r5, 0
-	bl DrawMetatile
-	movs r0, 0x1
-	strb r0, [r6, 0x4]
-_08089F04:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end DrawDoorMetatileAt
-
-	thumb_func_start DrawMetatileAt
-@ void DrawMetatileAt(struct mapdata_header *mapGrid, u16 offset, s32 x, s32 y)
-DrawMetatileAt: @ 8089F10
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	adds r5, r0, 0
-	adds r6, r2, 0
-	adds r7, r3, 0
-	lsls r1, 16
-	lsrs r1, 16
-	mov r8, r1
-	adds r0, r6, 0
-	adds r1, r7, 0
-	bl MapGridGetMetatileIdAt
-	lsls r0, 16
-	lsrs r4, r0, 16
-	movs r0, 0x80
-	lsls r0, 3
-	cmp r4, r0
-	bls _08089F38
-	movs r4, 0
-_08089F38:
-	ldr r0, =0x000001ff
-	cmp r4, r0
-	bhi _08089F48
-	ldr r0, [r5, 0x10]
-	ldr r5, [r0, 0xC]
-	b _08089F54
-	.pool
-_08089F48:
-	ldr r0, [r5, 0x14]
-	ldr r5, [r0, 0xC]
-	ldr r1, =0xfffffe00
-	adds r0, r4, r1
-	lsls r0, 16
-	lsrs r4, r0, 16
-_08089F54:
-	adds r0, r6, 0
-	adds r1, r7, 0
-	bl MapGridGetMetatileLayerTypeAt
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, r4, 4
-	adds r1, r5, r1
-	mov r2, r8
-	bl DrawMetatile
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end DrawMetatileAt
-
-	thumb_func_start DrawMetatile
-@ void DrawMetatile(u32 layerType, u16 *metatile, u16 offset)
-DrawMetatile: @ 8089F78
-	push {r4,lr}
-	adds r4, r1, 0
-	lsls r2, 16
-	lsrs r2, 16
-	cmp r0, 0x1
-	beq _08089FD0
-	cmp r0, 0x1
-	bgt _08089F8E
-	cmp r0, 0
-	beq _0808A030
-	b _0808A082
-_08089F8E:
-	cmp r0, 0x2
-	bne _0808A082
-	ldr r0, =gUnknown_03005DA4
-	ldr r0, [r0]
-	lsls r3, r2, 1
-	adds r0, r3, r0
-	ldrh r1, [r4]
-	strh r1, [r0]
-	ldrh r1, [r4, 0x2]
-	strh r1, [r0, 0x2]
-	adds r2, r0, 0
-	adds r2, 0x40
-	ldrh r1, [r4, 0x4]
-	strh r1, [r2]
-	adds r0, 0x42
-	ldrh r1, [r4, 0x6]
-	strh r1, [r0]
-	ldr r0, =gUnknown_03005D9C
-	ldr r0, [r0]
-	adds r0, r3, r0
-	movs r2, 0
-	strh r2, [r0]
-	strh r2, [r0, 0x2]
-	adds r1, r0, 0
-	adds r1, 0x40
-	strh r2, [r1]
-	adds r0, 0x42
-	strh r2, [r0]
-	b _0808A066
-	.pool
-_08089FD0:
-	ldr r0, =gUnknown_03005DA4
-	ldr r0, [r0]
-	lsls r3, r2, 1
-	adds r0, r3, r0
-	ldrh r1, [r4]
-	strh r1, [r0]
-	ldrh r1, [r4, 0x2]
-	strh r1, [r0, 0x2]
-	adds r2, r0, 0
-	adds r2, 0x40
-	ldrh r1, [r4, 0x4]
-	strh r1, [r2]
-	adds r0, 0x42
-	ldrh r1, [r4, 0x6]
-	strh r1, [r0]
-	ldr r0, =gUnknown_03005D9C
-	ldr r0, [r0]
-	adds r0, r3, r0
-	ldrh r1, [r4, 0x8]
-	strh r1, [r0]
-	ldrh r1, [r4, 0xA]
-	strh r1, [r0, 0x2]
-	adds r2, r0, 0
-	adds r2, 0x40
-	ldrh r1, [r4, 0xC]
-	strh r1, [r2]
-	adds r0, 0x42
-	ldrh r1, [r4, 0xE]
-	strh r1, [r0]
-	ldr r0, =gUnknown_03005DA0
-	ldr r0, [r0]
-	adds r3, r0
-	movs r1, 0
-	strh r1, [r3]
-	strh r1, [r3, 0x2]
-	adds r0, r3, 0
-	adds r0, 0x40
-	strh r1, [r0]
-	adds r3, 0x42
-	strh r1, [r3]
-	b _0808A082
-	.pool
-_0808A030:
-	ldr r0, =gUnknown_03005DA4
-	ldr r0, [r0]
-	lsls r3, r2, 1
-	adds r0, r3, r0
-	ldr r1, =0x00003014
-	adds r2, r1, 0
-	strh r2, [r0]
-	strh r2, [r0, 0x2]
-	adds r1, r0, 0
-	adds r1, 0x40
-	strh r2, [r1]
-	adds r0, 0x42
-	strh r2, [r0]
-	ldr r0, =gUnknown_03005D9C
-	ldr r0, [r0]
-	adds r0, r3, r0
-	ldrh r1, [r4]
-	strh r1, [r0]
-	ldrh r1, [r4, 0x2]
-	strh r1, [r0, 0x2]
-	adds r2, r0, 0
-	adds r2, 0x40
-	ldrh r1, [r4, 0x4]
-	strh r1, [r2]
-	adds r0, 0x42
-	ldrh r1, [r4, 0x6]
-	strh r1, [r0]
-_0808A066:
-	ldr r0, =gUnknown_03005DA0
-	ldr r0, [r0]
-	adds r3, r0
-	ldrh r0, [r4, 0x8]
-	strh r0, [r3]
-	ldrh r0, [r4, 0xA]
-	strh r0, [r3, 0x2]
-	adds r1, r3, 0
-	adds r1, 0x40
-	ldrh r0, [r4, 0xC]
-	strh r0, [r1]
-	adds r3, 0x42
-	ldrh r0, [r4, 0xE]
-	strh r0, [r3]
-_0808A082:
-	movs r0, 0x1
-	bl schedule_bg_copy_tilemap_to_vram
-	movs r0, 0x2
-	bl schedule_bg_copy_tilemap_to_vram
-	movs r0, 0x3
-	bl schedule_bg_copy_tilemap_to_vram
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end DrawMetatile
-
-	thumb_func_start MapPosToBgTilemapOffset
-@ u32 MapPosToBgTilemapOffset(struct struc_28 *, u32 x, u32 y)
-MapPosToBgTilemapOffset: @ 808A0AC
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	ldr r0, =gSaveBlock1Ptr
-	ldr r3, [r0]
-	movs r5, 0
-	ldrsh r0, [r3, r5]
-	subs r1, r0
-	lsls r1, 1
-	cmp r1, 0x1F
-	bhi _0808A0D6
-	ldrb r0, [r4, 0x2]
-	adds r1, r0
-	cmp r1, 0x1F
-	ble _0808A0CA
-	subs r1, 0x20
-_0808A0CA:
-	movs r5, 0x2
-	ldrsh r0, [r3, r5]
-	subs r0, r2, r0
-	lsls r2, r0, 1
-	cmp r2, 0x1F
-	bls _0808A0E0
-_0808A0D6:
-	movs r0, 0x1
-	negs r0, r0
-	b _0808A0EE
-	.pool
-_0808A0E0:
-	ldrb r0, [r4, 0x3]
-	adds r2, r0
-	cmp r2, 0x1F
-	ble _0808A0EA
-	subs r2, 0x20
-_0808A0EA:
-	lsls r0, r2, 5
-	adds r0, r1
-_0808A0EE:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end MapPosToBgTilemapOffset
-
-	thumb_func_start CameraUpdateCallback
-@ void CameraUpdateCallback(struct CameraUpdateInfo *info)
-CameraUpdateCallback: @ 808A0F4
-	push {lr}
-	adds r3, r0, 0
-	ldr r2, [r3, 0x4]
-	cmp r2, 0
-	beq _0808A114
-	ldr r1, =gSprites
-	lsls r0, r2, 4
-	adds r0, r2
-	lsls r0, 2
-	adds r0, r1
-	movs r2, 0x32
-	ldrsh r1, [r0, r2]
-	str r1, [r3, 0x8]
-	movs r1, 0x34
-	ldrsh r0, [r0, r1]
-	str r0, [r3, 0xC]
-_0808A114:
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end CameraUpdateCallback
-
-	thumb_func_start ResetCameraUpdateInfo
-@ void ResetCameraUpdateInfo()
-ResetCameraUpdateInfo: @ 808A11C
-	ldr r1, =gUnknown_03005DD0
-	movs r0, 0
-	str r0, [r1, 0x8]
-	str r0, [r1, 0xC]
-	str r0, [r1, 0x10]
-	str r0, [r1, 0x14]
-	str r0, [r1, 0x4]
-	str r0, [r1]
-	bx lr
-	.pool
-	thumb_func_end ResetCameraUpdateInfo
-
-	thumb_func_start InitCameraUpdateCallback
-@ u8 InitCameraUpdateCallback(u8 followedObjectId)
-InitCameraUpdateCallback: @ 808A134
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r4, =gUnknown_03005DD0
-	ldr r1, [r4, 0x4]
-	cmp r1, 0
-	beq _0808A150
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, =gSprites
-	adds r0, r1
-	bl DestroySprite
-_0808A150:
-	adds r0, r5, 0
-	bl AddCameraObject
-	lsls r0, 24
-	lsrs r0, 24
-	str r0, [r4, 0x4]
-	ldr r0, =CameraUpdateCallback
-	str r0, [r4]
-	movs r0, 0
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end InitCameraUpdateCallback
-
-	thumb_func_start CameraUpdate
-@ void CameraUpdate()
-CameraUpdate: @ 808A174
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	ldr r6, =gUnknown_03005DD0
-	ldr r1, [r6]
-	cmp r1, 0
-	beq _0808A188
-	adds r0, r6, 0
-	bl _call_via_r1
-_0808A188:
-	ldr r7, [r6, 0x8]
-	ldr r0, [r6, 0xC]
-	mov r8, r0
-	movs r4, 0
-	movs r5, 0
-	ldr r1, [r6, 0x10]
-	ldr r0, [r6, 0x14]
-	cmp r1, 0
-	bne _0808A1A6
-	cmp r7, 0
-	beq _0808A1A6
-	subs r4, 0x1
-	cmp r7, 0
-	ble _0808A1A6
-	movs r4, 0x1
-_0808A1A6:
-	cmp r0, 0
-	bne _0808A1BA
-	mov r2, r8
-	cmp r2, 0
-	beq _0808A1BA
-	movs r5, 0x1
-	negs r5, r5
-	cmp r2, 0
-	ble _0808A1BA
-	movs r5, 0x1
-_0808A1BA:
-	cmp r1, 0
-	beq _0808A1CC
-	cmn r1, r7
-	bne _0808A1CC
-	movs r4, 0x1
-	negs r4, r4
-	cmp r7, 0
-	ble _0808A1CC
-	movs r4, 0x1
-_0808A1CC:
-	cmp r0, 0
-	beq _0808A1E0
-	mov r3, r8
-	cmn r0, r3
-	bne _0808A1E0
-	movs r4, 0x1
-	negs r4, r4
-	cmp r3, 0
-	ble _0808A1E0
-	movs r4, 0x1
-_0808A1E0:
-	ldr r2, =gUnknown_03005DD0
-	ldr r0, [r2, 0x10]
-	adds r1, r0, r7
-	str r1, [r2, 0x10]
-	adds r0, r1, 0
-	cmp r1, 0
-	bge _0808A1F0
-	adds r0, 0xF
-_0808A1F0:
-	asrs r0, 4
-	lsls r0, 4
-	subs r0, r1, r0
-	str r0, [r2, 0x10]
-	ldr r0, [r2, 0x14]
-	mov r3, r8
-	adds r1, r0, r3
-	str r1, [r2, 0x14]
-	adds r0, r1, 0
-	cmp r1, 0
-	bge _0808A208
-	adds r0, 0xF
-_0808A208:
-	asrs r0, 4
-	lsls r0, 4
-	subs r0, r1, r0
-	str r0, [r2, 0x14]
-	cmp r4, 0
-	bne _0808A218
-	cmp r5, 0
-	beq _0808A24E
-_0808A218:
-	adds r0, r4, 0
-	adds r1, r5, 0
-	bl CameraMove
-	adds r0, r4, 0
-	adds r1, r5, 0
-	bl UpdateFieldObjectsForCameraUpdate
-	adds r0, r4, 0
-	adds r1, r5, 0
-	bl RotatingGatePuzzleCameraUpdate
-	bl ResetBerryTreeSparkleFlags
-	ldr r6, =gUnknown_03000E20
-	lsls r4, 1
-	lsls r5, 1
-	adds r0, r6, 0
-	adds r1, r4, 0
-	adds r2, r5, 0
-	bl tilemap_move_something
-	adds r0, r6, 0
-	adds r1, r4, 0
-	adds r2, r5, 0
-	bl RedrawMapSlicesForCameraUpdate
-_0808A24E:
-	ldr r0, =gUnknown_03000E20
-	adds r1, r7, 0
-	mov r2, r8
-	bl coords8_add
-	ldr r1, =gUnknown_03005DEC
-	ldrh r0, [r1]
-	subs r0, r7
-	strh r0, [r1]
-	ldr r1, =gUnknown_03005DE8
-	ldrh r0, [r1]
-	mov r2, r8
-	subs r0, r2
-	strh r0, [r1]
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end CameraUpdate
-
-	thumb_func_start sub_808A284
-sub_808A284: @ 808A284
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	adds r5, r1, 0
-	bl CameraMove
-	lsls r0, r4, 16
-	asrs r0, 16
-	lsls r1, r5, 16
-	asrs r1, 16
-	bl UpdateFieldObjectsForCameraUpdate
-	bl DrawWholeMapView
-	ldr r1, =gUnknown_03005DEC
-	lsls r4, 4
-	ldrh r0, [r1]
-	subs r0, r4
-	strh r0, [r1]
-	ldr r1, =gUnknown_03005DE8
-	lsls r5, 4
-	ldrh r0, [r1]
-	subs r0, r5
-	strh r0, [r1]
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_808A284
-
-	thumb_func_start SetCameraPanningCallback
-@ void SetCameraPanningCallback(void ( *callback)())
-SetCameraPanningCallback: @ 808A2C0
-	ldr r1, =gUnknown_03000E30
-	str r0, [r1]
-	bx lr
-	.pool
-	thumb_func_end SetCameraPanningCallback
-
-	thumb_func_start SetCameraPanning
-@ void SetCameraPanning(s16 x, s16 y)
-SetCameraPanning: @ 808A2CC
-	ldr r2, =gUnknown_03000E28
-	strh r0, [r2]
-	ldr r0, =gUnknown_03000E2A
-	lsls r1, 16
-	asrs r1, 16
-	adds r1, 0x20
-	strh r1, [r0]
-	bx lr
-	.pool
-	thumb_func_end SetCameraPanning
-
-	thumb_func_start InstallCameraPanAheadCallback
-@ void InstallCameraPanAheadCallback()
-InstallCameraPanAheadCallback: @ 808A2E4
-	ldr r1, =gUnknown_03000E30
-	ldr r0, =CameraPanningCB_PanAhead
-	str r0, [r1]
-	ldr r1, =gUnknown_03000E2C
-	movs r0, 0
-	strb r0, [r1]
-	ldr r1, =gUnknown_03000E28
-	movs r0, 0
-	strh r0, [r1]
-	ldr r1, =gUnknown_03000E2A
-	movs r0, 0x20
-	strh r0, [r1]
-	bx lr
-	.pool
-	thumb_func_end InstallCameraPanAheadCallback
-
-	thumb_func_start UpdateCameraPanning
-@ void UpdateCameraPanning()
-UpdateCameraPanning: @ 808A314
-	push {lr}
-	ldr r0, =gUnknown_03000E30
-	ldr r0, [r0]
-	cmp r0, 0
-	beq _0808A322
-	bl _call_via_r0
-_0808A322:
-	ldr r2, =gSpriteCoordOffsetX
-	ldr r0, =gUnknown_03005DEC
-	ldr r1, =gUnknown_03000E28
-	ldrh r0, [r0]
-	ldrh r1, [r1]
-	subs r0, r1
-	strh r0, [r2]
-	ldr r2, =gSpriteCoordOffsetY
-	ldr r0, =gUnknown_03005DE8
-	ldr r1, =gUnknown_03000E2A
-	ldrh r0, [r0]
-	ldrh r1, [r1]
-	subs r0, r1
-	subs r0, 0x8
-	strh r0, [r2]
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end UpdateCameraPanning
-
-	thumb_func_start CameraPanningCB_PanAhead
-@ void CameraPanningCB_PanAhead()
-CameraPanningCB_PanAhead: @ 808A360
-	push {lr}
-	ldr r0, =gUnknown_02037348
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _0808A374
-	bl InstallCameraPanAheadCallback
-	b _0808A3FC
-	.pool
-_0808A374:
-	ldr r0, =gPlayerAvatar
-	ldrb r0, [r0, 0x3]
-	cmp r0, 0x1
-	bne _0808A394
-	ldr r0, =gUnknown_03000E2C
-	ldrb r1, [r0]
-	movs r2, 0x1
-	eors r1, r2
-	strb r1, [r0]
-	cmp r1, 0
-	beq _0808A3FC
-	b _0808A39A
-	.pool
-_0808A394:
-	ldr r1, =gUnknown_03000E2C
-	movs r0, 0
-	strb r0, [r1]
-_0808A39A:
-	bl player_get_direction_upper_nybble
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x2
-	bne _0808A3C4
-	ldr r2, =gUnknown_03000E2A
-	ldrh r3, [r2]
-	movs r0, 0
-	ldrsh r1, [r2, r0]
-	movs r0, 0x8
-	negs r0, r0
-	cmp r1, r0
-	ble _0808A3FC
-	subs r0, r3, 0x2
-	b _0808A3FA
-	.pool
-_0808A3C4:
-	cmp r0, 0x1
-	bne _0808A3E0
-	ldr r1, =gUnknown_03000E2A
-	ldrh r2, [r1]
-	movs r3, 0
-	ldrsh r0, [r1, r3]
-	cmp r0, 0x47
-	bgt _0808A3FC
-	adds r0, r2, 0x2
-	strh r0, [r1]
-	b _0808A3FC
-	.pool
-_0808A3E0:
-	ldr r2, =gUnknown_03000E2A
-	ldrh r0, [r2]
-	movs r3, 0
-	ldrsh r1, [r2, r3]
-	cmp r1, 0x1F
-	bgt _0808A3F4
-	adds r0, 0x2
-	b _0808A3FA
-	.pool
-_0808A3F4:
-	cmp r1, 0x20
-	ble _0808A3FC
-	subs r0, 0x2
-_0808A3FA:
-	strh r0, [r2]
-_0808A3FC:
-	pop {r0}
-	bx r0
-	thumb_func_end CameraPanningCB_PanAhead
-
-	.align 2, 0 @ Don't pad with nop.