split asm files

1 files changed, 4603 insertions, 0 deletions

diff --git a/asm/field_effect_helpers.s b/asm/field_effect_helpers.s
new file mode 100644
index 000000000..28c4c5e9d
--- /dev/null
+++ b/asm/field_effect_helpers.s
@@ -0,0 +1,4603 @@
+	.include "asm/macros.inc"
+	.include "constants/constants.inc"
+
+	.syntax unified
+
+	.text
+
+	thumb_func_start SetUpReflection
+SetUpReflection: @ 8153ED4
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	adds r6, r0, 0
+	adds r4, r1, 0
+	lsls r5, r2, 24
+	lsrs r5, 24
+	movs r0, 0x20
+	ldrsh r1, [r4, r0]
+	movs r0, 0x22
+	ldrsh r2, [r4, r0]
+	adds r0, r4, 0
+	movs r3, 0x98
+	bl obj_unfreeze
+	lsls r0, 24
+	lsrs r0, 24
+	lsls r1, r0, 4
+	adds r1, r0
+	lsls r1, 2
+	ldr r0, =0x02020630
+	adds r7, r1, r0
+	ldr r0, =objc_reflection_maybe
+	str r0, [r7, 0x1C]
+	ldrb r1, [r7, 0x5]
+	movs r0, 0xC
+	orrs r1, r0
+	strb r1, [r7, 0x5]
+	ldr r2, =gUnknown_084975C4
+	lsrs r0, r1, 4
+	adds r0, r2
+	ldrb r0, [r0]
+	lsls r0, 4
+	movs r2, 0xF
+	ands r1, r2
+	orrs r1, r0
+	strb r1, [r7, 0x5]
+	movs r1, 0x3F
+	adds r1, r7
+	mov r8, r1
+	ldrb r0, [r1]
+	movs r1, 0x40
+	orrs r0, r1
+	mov r1, r8
+	strb r0, [r1]
+	ldr r0, =gDummyObjectImageAnimTable
+	str r0, [r7, 0x8]
+	adds r0, r7, 0
+	movs r1, 0
+	bl StartObjectImageAnim
+	ldr r0, =gDummyObjectRotScalAnimTable
+	str r0, [r7, 0x10]
+	mov r1, r8
+	ldrb r0, [r1]
+	movs r1, 0x8
+	orrs r0, r1
+	mov r1, r8
+	strb r0, [r1]
+	adds r2, r7, 0
+	adds r2, 0x42
+	ldrb r1, [r2]
+	movs r0, 0x3F
+	ands r0, r1
+	strb r0, [r2]
+	ldrh r0, [r4, 0x2E]
+	strh r0, [r7, 0x2E]
+	ldrb r0, [r6, 0x8]
+	strh r0, [r7, 0x30]
+	strh r5, [r7, 0x3C]
+	adds r0, r6, 0
+	adds r1, r7, 0
+	bl npc_pal_op
+	cmp r5, 0
+	bne _08153F7A
+	ldrb r0, [r7, 0x1]
+	movs r1, 0x4
+	negs r1, r1
+	ands r1, r0
+	movs r0, 0x1
+	orrs r1, r0
+	strb r1, [r7, 0x1]
+_08153F7A:
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end SetUpReflection
+
+	thumb_func_start sub_8153F98
+sub_8153F98: @ 8153F98
+	push {lr}
+	ldrb r0, [r0, 0x5]
+	bl GetFieldObjectGraphicsInfo
+	ldrh r0, [r0, 0xA]
+	subs r0, 0x2
+	lsls r0, 16
+	asrs r0, 16
+	pop {r1}
+	bx r1
+	thumb_func_end sub_8153F98
+
+	thumb_func_start npc_pal_op
+@ void npc_pal_op(struct npc_state *npcState, struct obj *obj)
+npc_pal_op: @ 8153FAC
+	push {r4,r5,lr}
+	sub sp, 0x8
+	adds r5, r0, 0
+	adds r4, r1, 0
+	ldr r1, =gUnknown_085CDC38
+	mov r0, sp
+	movs r2, 0x6
+	bl memcpy
+	movs r0, 0
+	strh r0, [r4, 0x32]
+	ldrb r0, [r5, 0x5]
+	bl GetFieldObjectGraphicsInfo
+	ldrb r1, [r0, 0xC]
+	movs r0, 0x80
+	ands r0, r1
+	cmp r0, 0
+	bne _08154008
+	ldrb r0, [r5, 0x1F]
+	bl sub_80894D4
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0
+	bne _08153FEE
+	ldrb r0, [r5, 0x1E]
+	bl sub_80894D4
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0
+	beq _08154008
+_08153FEE:
+	subs r0, 0x1
+	lsls r0, 1
+	add r0, sp
+	ldrh r0, [r0]
+	strh r0, [r4, 0x32]
+	ldrb r1, [r4, 0x5]
+	lsrs r1, 4
+	adds r0, r5, 0
+	bl npc_pal_op_A
+	b _08154012
+	.pool
+_08154008:
+	ldrb r1, [r4, 0x5]
+	lsrs r1, 4
+	adds r0, r5, 0
+	bl npc_pal_op_B
+_08154012:
+	add sp, 0x8
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	thumb_func_end npc_pal_op
+
+	thumb_func_start npc_pal_op_B
+@ void npc_pal_op_B(void *a1, u8 slot)
+npc_pal_op_B: @ 815401C
+	push {r4,lr}
+	lsls r1, 24
+	lsrs r4, r1, 24
+	ldrb r0, [r0, 0x5]
+	bl GetFieldObjectGraphicsInfo
+	adds r2, r0, 0
+	ldrh r1, [r2, 0x4]
+	ldr r0, =0x000011ff
+	cmp r1, r0
+	beq _08154070
+	ldrb r0, [r2, 0xC]
+	movs r1, 0xF
+	ands r1, r0
+	cmp r1, 0
+	bne _0815404C
+	ldrh r0, [r2, 0x2]
+	adds r1, r4, 0
+	bl npc_load_two_palettes__no_record
+	b _0815406A
+	.pool
+_0815404C:
+	cmp r1, 0xA
+	bne _0815405A
+	ldrh r0, [r2, 0x2]
+	adds r1, r4, 0
+	bl npc_load_two_palettes__and_record
+	b _0815406A
+_0815405A:
+	adds r0, r4, 0
+	bl npc_paltag_by_palslot
+	lsls r0, 16
+	lsrs r0, 16
+	adds r1, r4, 0
+	bl pal_patch_for_npc
+_0815406A:
+	adds r0, r4, 0
+	bl sub_80ABE18
+_08154070:
+	pop {r4}
+	pop {r0}
+	bx r0
+	thumb_func_end npc_pal_op_B
+
+	thumb_func_start npc_pal_op_A
+npc_pal_op_A: @ 8154078
+	push {r4,lr}
+	lsls r1, 24
+	lsrs r4, r1, 24
+	ldrb r0, [r0, 0x5]
+	bl GetFieldObjectGraphicsInfo
+	adds r2, r0, 0
+	ldrh r1, [r2, 0x4]
+	ldr r0, =0x000011ff
+	cmp r1, r0
+	beq _0815409C
+	adds r0, r1, 0
+	adds r1, r4, 0
+	bl pal_patch_for_npc
+	adds r0, r4, 0
+	bl sub_80ABE18
+_0815409C:
+	pop {r4}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end npc_pal_op_A
+
+	thumb_func_start objc_reflection_maybe
+@ void objc_reflection_maybe(struct obj *object)
+objc_reflection_maybe: @ 81540A8
+	push {r4-r7,lr}
+	mov r7, r9
+	mov r6, r8
+	push {r6,r7}
+	adds r4, r0, 0
+	movs r0, 0x2E
+	ldrsh r1, [r4, r0]
+	lsls r0, r1, 3
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02037350
+	adds r7, r0, r1
+	ldrb r1, [r7, 0x4]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02020630
+	adds r5, r0, r1
+	ldr r0, [r7]
+	ldr r1, =0x00020001
+	ands r0, r1
+	cmp r0, r1
+	bne _081540E0
+	ldrb r1, [r7, 0x8]
+	movs r2, 0x30
+	ldrsh r0, [r4, r2]
+	cmp r1, r0
+	beq _081540FC
+_081540E0:
+	adds r2, r4, 0
+	adds r2, 0x3E
+	ldrb r1, [r2]
+	movs r0, 0x2
+	negs r0, r0
+	ands r0, r1
+	strb r0, [r2]
+	b _08154214
+	.pool
+_081540FC:
+	ldr r1, =gUnknown_084975C4
+	ldrb r0, [r5, 0x5]
+	lsrs r0, 4
+	adds r0, r1
+	ldrb r1, [r0]
+	lsls r1, 4
+	ldrb r2, [r4, 0x5]
+	movs r0, 0xF
+	ands r0, r2
+	orrs r0, r1
+	strb r0, [r4, 0x5]
+	ldrb r1, [r5, 0x1]
+	lsrs r1, 6
+	lsls r1, 6
+	ldrb r2, [r4, 0x1]
+	movs r3, 0x3F
+	adds r0, r3, 0
+	ands r0, r2
+	orrs r0, r1
+	strb r0, [r4, 0x1]
+	ldrb r0, [r5, 0x3]
+	lsrs r0, 6
+	lsls r0, 6
+	ldrb r2, [r4, 0x3]
+	adds r1, r3, 0
+	ands r1, r2
+	orrs r1, r0
+	strb r1, [r4, 0x3]
+	ldrb r0, [r5, 0x3]
+	lsls r0, 26
+	lsrs r0, 27
+	movs r2, 0x10
+	orrs r0, r2
+	lsls r0, 1
+	subs r2, 0x4F
+	mov r9, r2
+	ands r1, r2
+	orrs r1, r0
+	strb r1, [r4, 0x3]
+	ldrh r1, [r5, 0x4]
+	lsls r1, 22
+	lsrs r1, 22
+	ldrh r2, [r4, 0x4]
+	ldr r0, =0xfffffc00
+	ands r0, r2
+	orrs r0, r1
+	strh r0, [r4, 0x4]
+	ldr r0, [r5, 0x18]
+	str r0, [r4, 0x18]
+	adds r0, r5, 0
+	adds r0, 0x42
+	ldrb r0, [r0]
+	lsls r0, 26
+	lsrs r0, 26
+	adds r2, r4, 0
+	adds r2, 0x42
+	ands r3, r0
+	ldrb r1, [r2]
+	movs r0, 0x40
+	negs r0, r0
+	ands r0, r1
+	orrs r0, r3
+	strb r0, [r2]
+	movs r0, 0x3E
+	adds r0, r5
+	mov r8, r0
+	ldrb r0, [r0]
+	adds r6, r4, 0
+	adds r6, 0x3E
+	movs r1, 0x4
+	ands r1, r0
+	ldrb r2, [r6]
+	movs r0, 0x5
+	negs r0, r0
+	ands r0, r2
+	orrs r0, r1
+	strb r0, [r6]
+	ldrh r0, [r5, 0x20]
+	strh r0, [r4, 0x20]
+	adds r0, r7, 0
+	bl sub_8153F98
+	ldrh r1, [r5, 0x22]
+	adds r0, r1
+	ldrh r1, [r4, 0x32]
+	adds r1, r0
+	strh r1, [r4, 0x22]
+	adds r0, r5, 0
+	adds r0, 0x28
+	ldrb r1, [r0]
+	adds r0, r4, 0
+	adds r0, 0x28
+	strb r1, [r0]
+	adds r0, r5, 0
+	adds r0, 0x29
+	ldrb r0, [r0]
+	adds r1, r4, 0
+	adds r1, 0x29
+	strb r0, [r1]
+	ldrh r0, [r5, 0x24]
+	strh r0, [r4, 0x24]
+	ldrh r0, [r5, 0x26]
+	negs r0, r0
+	strh r0, [r4, 0x26]
+	mov r2, r8
+	ldrb r1, [r2]
+	movs r0, 0x2
+	ands r0, r1
+	ldrb r1, [r6]
+	movs r2, 0x3
+	negs r2, r2
+	ands r2, r1
+	orrs r2, r0
+	strb r2, [r6]
+	ldrb r0, [r7, 0x3]
+	lsls r0, 28
+	cmp r0, 0
+	bge _081541EE
+	movs r0, 0x4
+	orrs r2, r0
+	strb r2, [r6]
+_081541EE:
+	movs r1, 0x3C
+	ldrsh r0, [r4, r1]
+	cmp r0, 0
+	bne _08154214
+	ldrb r0, [r4, 0x3]
+	mov r2, r9
+	ands r2, r0
+	strb r2, [r4, 0x3]
+	ldrb r0, [r5, 0x3]
+	lsls r0, 26
+	lsrs r0, 27
+	movs r1, 0x8
+	ands r0, r1
+	cmp r0, 0
+	beq _08154214
+	movs r1, 0x2
+	adds r0, r2, 0
+	orrs r0, r1
+	strb r0, [r4, 0x3]
+_08154214:
+	pop {r3,r4}
+	mov r8, r3
+	mov r9, r4
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end objc_reflection_maybe
+
+	thumb_func_start sub_8154228
+sub_8154228: @ 8154228
+	push {r4,lr}
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x20]
+	movs r1, 0
+	movs r2, 0
+	movs r3, 0x52
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	adds r4, r0, 0
+	cmp r0, 0x40
+	beq _08154266
+	lsls r1, r0, 4
+	adds r1, r0
+	lsls r1, 2
+	ldr r0, =0x02020630
+	adds r1, r0
+	ldrb r2, [r1, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r2
+	movs r3, 0x4
+	orrs r0, r3
+	strb r0, [r1, 0x5]
+	adds r1, 0x3E
+	ldrb r0, [r1]
+	movs r2, 0x2
+	orrs r0, r2
+	orrs r0, r3
+	strb r0, [r1]
+_08154266:
+	adds r0, r4, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8154228
+
+	thumb_func_start objid_set_invisible
+objid_set_invisible: @ 8154278
+	lsls r0, 24
+	lsrs r0, 24
+	ldr r2, =0x02020630
+	lsls r1, r0, 4
+	adds r1, r0
+	lsls r1, 2
+	adds r1, r2
+	adds r1, 0x3E
+	ldrb r0, [r1]
+	movs r2, 0x4
+	orrs r0, r2
+	strb r0, [r1]
+	bx lr
+	.pool
+	thumb_func_end objid_set_invisible
+
+	thumb_func_start sub_8154298
+sub_8154298: @ 8154298
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	sub sp, 0x4
+	lsls r0, 24
+	lsrs r5, r0, 24
+	lsls r1, 24
+	lsrs r1, 24
+	mov r8, r1
+	lsls r2, 16
+	lsrs r7, r2, 16
+	lsls r3, 16
+	lsrs r6, r3, 16
+	lsls r0, r5, 4
+	adds r0, r5
+	lsls r0, 2
+	ldr r1, =0x02020630
+	adds r2, r0, r1
+	adds r0, r2, 0
+	adds r0, 0x3E
+	ldrb r1, [r0]
+	movs r0, 0x4
+	ands r0, r1
+	cmp r0, 0
+	bne _081542E2
+	movs r0, 0x2E
+	ldrsh r1, [r2, r0]
+	lsls r0, r7, 16
+	asrs r0, 16
+	cmp r1, r0
+	bne _081542E2
+	movs r0, 0x30
+	ldrsh r1, [r2, r0]
+	lsls r0, r6, 16
+	asrs r0, 16
+	cmp r1, r0
+	beq _0815432E
+_081542E2:
+	lsls r0, r7, 16
+	asrs r0, 16
+	lsls r1, r6, 16
+	asrs r1, 16
+	mov r4, sp
+	adds r4, 0x2
+	mov r2, sp
+	adds r3, r4, 0
+	bl sub_8093038
+	lsls r0, r5, 4
+	adds r0, r5
+	lsls r0, 2
+	ldr r1, =0x02020630
+	adds r2, r0, r1
+	mov r0, sp
+	ldrh r0, [r0]
+	adds r0, 0x8
+	strh r0, [r2, 0x20]
+	ldrh r0, [r4]
+	adds r0, 0x8
+	strh r0, [r2, 0x22]
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r1, [r3]
+	movs r0, 0x5
+	negs r0, r0
+	ands r0, r1
+	strb r0, [r3]
+	strh r7, [r2, 0x2E]
+	strh r6, [r2, 0x30]
+	mov r1, r8
+	subs r1, 0x1
+	lsls r1, 24
+	lsrs r1, 24
+	adds r0, r2, 0
+	bl StartObjectImageAnim
+_0815432E:
+	add sp, 0x4
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_8154298
+
+	thumb_func_start oei_shadow
+oei_shadow: @ 8154340
+	push {r4,r5,lr}
+	ldr r5, =0x02038c08
+	ldrb r0, [r5]
+	ldrb r1, [r5, 0x4]
+	ldrb r2, [r5, 0x8]
+	bl GetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	lsrs r0, 24
+	ldr r2, =0x02037350
+	lsls r1, r0, 3
+	adds r1, r0
+	lsls r1, 2
+	adds r1, r2
+	ldrb r0, [r1, 0x5]
+	bl GetFieldObjectGraphicsInfo
+	adds r4, r0, 0
+	ldr r2, =gFieldEffectObjectTemplatePointers
+	ldr r1, =gUnknown_085CDC3E
+	ldrb r0, [r4, 0xC]
+	lsls r0, 26
+	lsrs r0, 30
+	adds r0, r1
+	ldrb r0, [r0]
+	lsls r0, 2
+	adds r0, r2
+	ldr r0, [r0]
+	movs r1, 0
+	movs r2, 0
+	movs r3, 0x94
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r1, r0, 24
+	cmp r1, 0x40
+	beq _081543C4
+	ldr r0, =0x02020630
+	lsls r2, r1, 4
+	adds r2, r1
+	lsls r2, 2
+	adds r2, r0
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	ldr r0, [r5]
+	strh r0, [r2, 0x2E]
+	ldr r0, [r5, 0x4]
+	strh r0, [r2, 0x30]
+	ldr r0, [r5, 0x8]
+	strh r0, [r2, 0x32]
+	ldrh r1, [r4, 0xA]
+	lsls r1, 16
+	asrs r1, 17
+	ldr r3, =gUnknown_085CDC42
+	ldrb r0, [r4, 0xC]
+	lsls r0, 26
+	lsrs r0, 30
+	lsls r0, 1
+	adds r0, r3
+	ldrh r0, [r0]
+	subs r1, r0
+	strh r1, [r2, 0x34]
+_081543C4:
+	movs r0, 0
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end oei_shadow
+
+	thumb_func_start oamc_shadow
+oamc_shadow: @ 81543E4
+	push {r4,r5,lr}
+	sub sp, 0x4
+	adds r5, r0, 0
+	ldrh r0, [r5, 0x2E]
+	lsls r0, 24
+	lsrs r0, 24
+	ldrh r1, [r5, 0x30]
+	lsls r1, 24
+	lsrs r1, 24
+	ldrh r2, [r5, 0x32]
+	lsls r2, 24
+	lsrs r2, 24
+	mov r3, sp
+	bl TryGetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	cmp r0, 0
+	beq _08154412
+	adds r0, r5, 0
+	movs r1, 0x3
+	bl FieldEffectStop
+	b _08154498
+_08154412:
+	mov r0, sp
+	ldrb r1, [r0]
+	lsls r0, r1, 3
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02037350
+	adds r4, r0, r1
+	ldrb r0, [r4, 0x4]
+	lsls r1, r0, 4
+	adds r1, r0
+	lsls r1, 2
+	ldr r0, =0x02020630
+	adds r1, r0
+	ldrb r0, [r1, 0x5]
+	movs r2, 0xC
+	ands r2, r0
+	ldrb r3, [r5, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r2
+	strb r0, [r5, 0x5]
+	ldrh r0, [r1, 0x20]
+	strh r0, [r5, 0x20]
+	ldrh r0, [r5, 0x34]
+	ldrh r1, [r1, 0x22]
+	adds r0, r1
+	strh r0, [r5, 0x22]
+	ldr r0, [r4]
+	ldr r1, =0x00400001
+	ands r0, r1
+	cmp r0, r1
+	bne _08154490
+	ldrb r0, [r4, 0x1E]
+	bl sub_8088E64
+	lsls r0, 24
+	cmp r0, 0
+	bne _08154490
+	ldrb r0, [r4, 0x1E]
+	bl MetatileBehavior_IsSurfableWaterOrUnderwater
+	lsls r0, 24
+	cmp r0, 0
+	bne _08154490
+	ldrb r0, [r4, 0x1F]
+	bl MetatileBehavior_IsSurfableWaterOrUnderwater
+	lsls r0, 24
+	cmp r0, 0
+	bne _08154490
+	ldrb r0, [r4, 0x1E]
+	bl MetatileBehavior_IsReflective
+	lsls r0, 24
+	cmp r0, 0
+	bne _08154490
+	ldrb r0, [r4, 0x1F]
+	bl MetatileBehavior_IsReflective
+	lsls r0, 24
+	cmp r0, 0
+	beq _08154498
+_08154490:
+	adds r0, r5, 0
+	movs r1, 0x3
+	bl FieldEffectStop
+_08154498:
+	add sp, 0x4
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end oamc_shadow
+
+	thumb_func_start oei_grass_normal
+oei_grass_normal: @ 81544AC
+	push {r4,r5,lr}
+	sub sp, 0x4
+	ldr r5, =0x02038c08
+	ldrh r1, [r5]
+	mov r0, sp
+	strh r1, [r0]
+	ldrh r0, [r5, 0x4]
+	mov r4, sp
+	adds r4, 0x2
+	strh r0, [r4]
+	mov r0, sp
+	adds r1, r4, 0
+	movs r2, 0x8
+	movs r3, 0x8
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x10]
+	mov r1, sp
+	movs r2, 0
+	ldrsh r1, [r1, r2]
+	movs r3, 0
+	ldrsh r2, [r4, r3]
+	movs r3, 0
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r1, r0, 24
+	cmp r1, 0x40
+	beq _08154538
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02020630
+	adds r3, r0, r1
+	adds r2, r3, 0
+	adds r2, 0x3E
+	ldrb r0, [r2]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r2]
+	movs r0, 0x3
+	ldrb r1, [r5, 0xC]
+	ands r1, r0
+	lsls r1, 2
+	ldrb r2, [r3, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r2
+	orrs r0, r1
+	strb r0, [r3, 0x5]
+	ldr r0, [r5, 0x8]
+	strh r0, [r3, 0x2E]
+	ldr r0, [r5]
+	strh r0, [r3, 0x30]
+	ldr r0, [r5, 0x4]
+	strh r0, [r3, 0x32]
+	ldr r0, [r5, 0x10]
+	strh r0, [r3, 0x34]
+	ldr r0, [r5, 0x14]
+	strh r0, [r3, 0x36]
+	ldr r0, [r5, 0x18]
+	strh r0, [r3, 0x38]
+	ldr r0, [r5, 0x1C]
+	cmp r0, 0
+	beq _08154538
+	adds r0, r3, 0
+	movs r1, 0x4
+	bl SeekObjectImageAnim
+_08154538:
+	movs r0, 0
+	add sp, 0x4
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end oei_grass_normal
+
+	thumb_func_start unc_grass_normal
+unc_grass_normal: @ 8154550
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	sub sp, 0x4
+	adds r5, r0, 0
+	ldrh r0, [r5, 0x38]
+	lsrs r4, r0, 8
+	lsls r0, 24
+	lsrs r7, r0, 24
+	ldr r3, =0x02037334
+	ldrb r1, [r3]
+	movs r0, 0x1
+	ands r0, r1
+	cmp r0, 0
+	beq _0815459C
+	ldr r0, =0x03005d8c
+	ldr r2, [r0]
+	movs r0, 0x5
+	ldrsb r0, [r2, r0]
+	cmp r0, r4
+	bne _08154582
+	movs r0, 0x4
+	ldrsb r0, [r2, r0]
+	cmp r0, r7
+	beq _0815459C
+_08154582:
+	ldr r1, [r3, 0x4]
+	ldrh r0, [r5, 0x30]
+	subs r0, r1
+	strh r0, [r5, 0x30]
+	ldr r1, [r3, 0x8]
+	ldrh r0, [r5, 0x32]
+	subs r0, r1
+	strh r0, [r5, 0x32]
+	ldrb r1, [r2, 0x5]
+	lsls r1, 8
+	ldrb r0, [r2, 0x4]
+	orrs r0, r1
+	strh r0, [r5, 0x38]
+_0815459C:
+	ldrh r0, [r5, 0x34]
+	lsrs r1, r0, 8
+	mov r8, r1
+	lsls r0, 24
+	lsrs r4, r0, 24
+	ldrh r0, [r5, 0x36]
+	lsls r0, 24
+	lsrs r7, r0, 24
+	movs r2, 0x30
+	ldrsh r0, [r5, r2]
+	movs r2, 0x32
+	ldrsh r1, [r5, r2]
+	bl MapGridGetMetatileBehaviorAt
+	lsls r0, 24
+	lsrs r6, r0, 24
+	mov r0, r8
+	adds r1, r4, 0
+	adds r2, r7, 0
+	mov r3, sp
+	bl TryGetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	cmp r0, 0
+	bne _081545F0
+	adds r0, r6, 0
+	bl MetatileBehavior_IsTallGrass
+	lsls r0, 24
+	cmp r0, 0
+	beq _081545F0
+	movs r1, 0x3C
+	ldrsh r0, [r5, r1]
+	cmp r0, 0
+	beq _08154604
+	adds r0, r5, 0
+	adds r0, 0x3F
+	ldrb r1, [r0]
+	movs r0, 0x10
+	ands r0, r1
+	cmp r0, 0
+	beq _08154604
+_081545F0:
+	adds r0, r5, 0
+	movs r1, 0x4
+	bl FieldEffectStop
+	b _08154648
+	.pool
+_08154604:
+	mov r0, sp
+	ldrb r1, [r0]
+	lsls r0, r1, 3
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02037350
+	adds r2, r0, r1
+	ldr r0, [r2, 0x10]
+	ldr r1, [r5, 0x30]
+	cmp r0, r1
+	beq _08154624
+	ldr r0, [r2, 0x14]
+	cmp r0, r1
+	beq _08154624
+	movs r0, 0x1
+	strh r0, [r5, 0x3C]
+_08154624:
+	movs r6, 0
+	adds r0, r5, 0
+	adds r0, 0x2B
+	ldrb r0, [r0]
+	cmp r0, 0
+	bne _08154632
+	movs r6, 0x4
+_08154632:
+	adds r0, r5, 0
+	movs r1, 0
+	bl sub_80979D4
+	ldrh r1, [r5, 0x2E]
+	lsls r1, 24
+	lsrs r1, 24
+	adds r0, r5, 0
+	adds r2, r6, 0
+	bl sub_81561FC
+_08154648:
+	add sp, 0x4
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end unc_grass_normal
+
+	thumb_func_start sub_8154658
+sub_8154658: @ 8154658
+	push {r4,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0xC
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x28]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	movs r3, 0
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _081546B4
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r0, =0x02020630
+	adds r2, r0
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	movs r0, 0x3
+	ldrb r1, [r4, 0xC]
+	ands r1, r0
+	lsls r1, 2
+	ldrb r3, [r2, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r2, 0x5]
+	ldr r0, [r4, 0x8]
+	strh r0, [r2, 0x2E]
+	movs r0, 0xC
+	strh r0, [r2, 0x30]
+_081546B4:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8154658
+
+	thumb_func_start sub_81546C8
+sub_81546C8: @ 81546C8
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	ldr r4, [sp, 0x18]
+	lsls r0, 24
+	lsrs r0, 24
+	mov r12, r0
+	lsls r1, 24
+	lsrs r7, r1, 24
+	lsls r2, 24
+	lsrs r6, r2, 24
+	movs r5, 0
+	ldr r0, =0x02020630
+	mov r8, r0
+	lsls r3, 16
+	asrs r3, 16
+	lsls r4, 16
+	asrs r4, 16
+_081546EC:
+	lsls r0, r5, 4
+	adds r0, r5
+	lsls r0, 2
+	mov r1, r8
+	adds r2, r0, r1
+	adds r0, r2, 0
+	adds r0, 0x3E
+	ldrb r0, [r0]
+	lsls r0, 31
+	cmp r0, 0
+	beq _08154740
+	ldr r1, [r2, 0x1C]
+	ldr r0, =unc_grass_normal
+	cmp r1, r0
+	bne _08154740
+	movs r1, 0x30
+	ldrsh r0, [r2, r1]
+	cmp r3, r0
+	bne _08154740
+	movs r1, 0x32
+	ldrsh r0, [r2, r1]
+	cmp r4, r0
+	bne _08154740
+	ldrh r1, [r2, 0x34]
+	lsrs r0, r1, 8
+	cmp r12, r0
+	bne _08154740
+	movs r0, 0xFF
+	ands r0, r1
+	cmp r7, r0
+	bne _08154740
+	movs r1, 0x36
+	ldrsh r0, [r2, r1]
+	cmp r6, r0
+	bne _08154740
+	adds r0, r5, 0
+	b _0815474C
+	.pool
+_08154740:
+	adds r0, r5, 0x1
+	lsls r0, 24
+	lsrs r5, r0, 24
+	cmp r5, 0x3F
+	bls _081546EC
+	movs r0, 0x40
+_0815474C:
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	thumb_func_end sub_81546C8
+
+	thumb_func_start sub_8154758
+sub_8154758: @ 8154758
+	push {r4,r5,lr}
+	sub sp, 0x4
+	ldr r5, =0x02038c08
+	ldrh r1, [r5]
+	mov r0, sp
+	strh r1, [r0]
+	ldrh r0, [r5, 0x4]
+	mov r4, sp
+	adds r4, 0x2
+	strh r0, [r4]
+	mov r0, sp
+	adds r1, r4, 0
+	movs r2, 0x8
+	movs r3, 0x8
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x3C]
+	mov r1, sp
+	movs r2, 0
+	ldrsh r1, [r1, r2]
+	movs r3, 0
+	ldrsh r2, [r4, r3]
+	movs r3, 0
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r1, r0, 24
+	cmp r1, 0x40
+	beq _081547E8
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02020630
+	adds r4, r0, r1
+	adds r2, r4, 0
+	adds r2, 0x3E
+	ldrb r0, [r2]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r2]
+	ldrb r0, [r5, 0x8]
+	bl ZCoordToPriority
+	movs r1, 0x3
+	ands r1, r0
+	lsls r1, 2
+	ldrb r2, [r4, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r2
+	orrs r0, r1
+	strb r0, [r4, 0x5]
+	ldr r0, [r5, 0x8]
+	strh r0, [r4, 0x2E]
+	ldr r0, [r5]
+	strh r0, [r4, 0x30]
+	ldr r0, [r5, 0x4]
+	strh r0, [r4, 0x32]
+	ldr r0, [r5, 0x10]
+	strh r0, [r4, 0x34]
+	ldr r0, [r5, 0x14]
+	strh r0, [r4, 0x36]
+	ldr r0, [r5, 0x18]
+	strh r0, [r4, 0x38]
+	ldr r0, [r5, 0x1C]
+	cmp r0, 0
+	beq _081547E8
+	adds r0, r4, 0
+	movs r1, 0x6
+	bl SeekObjectImageAnim
+_081547E8:
+	movs r0, 0
+	add sp, 0x4
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8154758
+
+	thumb_func_start unc_grass_tall
+unc_grass_tall: @ 8154800
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	sub sp, 0x4
+	adds r5, r0, 0
+	ldrh r0, [r5, 0x38]
+	lsrs r7, r0, 8
+	lsls r0, 24
+	lsrs r6, r0, 24
+	ldr r3, =0x02037334
+	ldrb r1, [r3]
+	movs r0, 0x1
+	ands r0, r1
+	cmp r0, 0
+	beq _0815484C
+	ldr r0, =0x03005d8c
+	ldr r2, [r0]
+	movs r0, 0x5
+	ldrsb r0, [r2, r0]
+	cmp r0, r7
+	bne _08154832
+	movs r0, 0x4
+	ldrsb r0, [r2, r0]
+	cmp r0, r6
+	beq _0815484C
+_08154832:
+	ldr r1, [r3, 0x4]
+	ldrh r0, [r5, 0x30]
+	subs r0, r1
+	strh r0, [r5, 0x30]
+	ldr r1, [r3, 0x8]
+	ldrh r0, [r5, 0x32]
+	subs r0, r1
+	strh r0, [r5, 0x32]
+	ldrb r1, [r2, 0x5]
+	lsls r1, 8
+	ldrb r0, [r2, 0x4]
+	orrs r0, r1
+	strh r0, [r5, 0x38]
+_0815484C:
+	ldrh r0, [r5, 0x34]
+	lsrs r1, r0, 8
+	mov r8, r1
+	lsls r0, 24
+	lsrs r7, r0, 24
+	ldrh r0, [r5, 0x36]
+	lsls r0, 24
+	lsrs r6, r0, 24
+	movs r2, 0x30
+	ldrsh r0, [r5, r2]
+	movs r2, 0x32
+	ldrsh r1, [r5, r2]
+	bl MapGridGetMetatileBehaviorAt
+	lsls r0, 24
+	lsrs r4, r0, 24
+	mov r0, r8
+	adds r1, r7, 0
+	adds r2, r6, 0
+	mov r3, sp
+	bl TryGetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	cmp r0, 0
+	bne _081548A0
+	adds r0, r4, 0
+	bl MetatileBehavior_IsLongGrass
+	lsls r0, 24
+	cmp r0, 0
+	beq _081548A0
+	movs r1, 0x3C
+	ldrsh r0, [r5, r1]
+	cmp r0, 0
+	beq _081548B4
+	adds r0, r5, 0
+	adds r0, 0x3F
+	ldrb r1, [r0]
+	movs r0, 0x10
+	ands r0, r1
+	cmp r0, 0
+	beq _081548B4
+_081548A0:
+	adds r0, r5, 0
+	movs r1, 0x11
+	bl FieldEffectStop
+	b _081548EA
+	.pool
+_081548B4:
+	mov r0, sp
+	ldrb r1, [r0]
+	lsls r0, r1, 3
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02037350
+	adds r2, r0, r1
+	ldr r0, [r2, 0x10]
+	ldr r1, [r5, 0x30]
+	cmp r0, r1
+	beq _081548D4
+	ldr r0, [r2, 0x14]
+	cmp r0, r1
+	beq _081548D4
+	movs r0, 0x1
+	strh r0, [r5, 0x3C]
+_081548D4:
+	adds r0, r5, 0
+	movs r1, 0
+	bl sub_80979D4
+	ldrh r1, [r5, 0x2E]
+	lsls r1, 24
+	lsrs r1, 24
+	adds r0, r5, 0
+	movs r2, 0
+	bl sub_81561FC
+_081548EA:
+	add sp, 0x4
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end unc_grass_tall
+
+	thumb_func_start sub_81548FC
+sub_81548FC: @ 81548FC
+	push {r4,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0x8
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x40]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	movs r3, 0
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _08154958
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r0, =0x02020630
+	adds r2, r0
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	movs r0, 0x3
+	ldrb r1, [r4, 0xC]
+	ands r1, r0
+	lsls r1, 2
+	ldrb r3, [r2, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r2, 0x5]
+	ldr r0, [r4, 0x8]
+	strh r0, [r2, 0x2E]
+	movs r0, 0x12
+	strh r0, [r2, 0x30]
+_08154958:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_81548FC
+
+	thumb_func_start sub_815496C
+sub_815496C: @ 815496C
+	push {r4-r6,lr}
+	ldr r6, =0x02038c08
+	ldrb r0, [r6]
+	ldrb r1, [r6, 0x4]
+	ldrb r2, [r6, 0x8]
+	bl GetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	lsrs r0, 24
+	lsls r1, r0, 3
+	adds r1, r0
+	lsls r1, 2
+	ldr r0, =0x02037350
+	adds r5, r1, r0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x78]
+	movs r1, 0
+	movs r2, 0
+	movs r3, 0
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _081549F8
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r4, =0x02020630
+	adds r2, r4
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	ldrb r1, [r5, 0x4]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r4
+	ldrb r0, [r0, 0x5]
+	movs r1, 0xC
+	ands r1, r0
+	ldrb r3, [r2, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r2, 0x5]
+	ldr r0, [r6]
+	strh r0, [r2, 0x2E]
+	ldr r0, [r6, 0x4]
+	strh r0, [r2, 0x30]
+	ldr r0, [r6, 0x8]
+	strh r0, [r2, 0x32]
+	ldrb r1, [r5, 0x4]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r4
+	ldrh r0, [r0, 0x20]
+	strh r0, [r2, 0x34]
+	ldrb r1, [r5, 0x4]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r4
+	ldrh r0, [r0, 0x22]
+	strh r0, [r2, 0x36]
+_081549F8:
+	movs r0, 0
+	pop {r4-r6}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_815496C
+
+	thumb_func_start sub_8154A10
+sub_8154A10: @ 8154A10
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	sub sp, 0x4
+	adds r4, r0, 0
+	ldrh r0, [r4, 0x2E]
+	lsls r0, 24
+	lsrs r0, 24
+	ldrh r1, [r4, 0x30]
+	lsls r1, 24
+	lsrs r1, 24
+	ldrh r2, [r4, 0x32]
+	lsls r2, 24
+	lsrs r2, 24
+	mov r3, sp
+	bl TryGetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	cmp r0, 0
+	bne _08154A4E
+	ldr r5, =0x02037350
+	mov r0, sp
+	ldrb r1, [r0]
+	lsls r0, r1, 3
+	adds r0, r1
+	lsls r0, 2
+	adds r1, r0, r5
+	ldrb r0, [r1, 0x2]
+	lsls r0, 29
+	cmp r0, 0
+	blt _08154A5C
+_08154A4E:
+	adds r0, r4, 0
+	movs r1, 0x29
+	bl FieldEffectStop
+	b _08154AF2
+	.pool
+_08154A5C:
+	ldrb r0, [r1, 0x5]
+	bl GetFieldObjectGraphicsInfo
+	mov r8, r0
+	mov r0, sp
+	ldrb r1, [r0]
+	lsls r0, r1, 3
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r5
+	ldrb r1, [r0, 0x4]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02020630
+	adds r6, r0, r1
+	ldrh r5, [r6, 0x22]
+	ldrh r7, [r6, 0x20]
+	movs r0, 0x20
+	ldrsh r1, [r6, r0]
+	movs r2, 0x34
+	ldrsh r0, [r4, r2]
+	cmp r1, r0
+	bne _08154A98
+	lsls r0, r5, 16
+	asrs r0, 16
+	movs r2, 0x36
+	ldrsh r1, [r4, r2]
+	cmp r0, r1
+	beq _08154AB2
+_08154A98:
+	strh r7, [r4, 0x34]
+	strh r5, [r4, 0x36]
+	adds r0, r4, 0
+	adds r0, 0x3F
+	ldrb r1, [r0]
+	movs r0, 0x10
+	ands r0, r1
+	cmp r0, 0
+	beq _08154AB2
+	adds r0, r4, 0
+	movs r1, 0
+	bl StartObjectImageAnim
+_08154AB2:
+	strh r7, [r4, 0x20]
+	strh r5, [r4, 0x22]
+	mov r1, r8
+	ldrh r0, [r1, 0xA]
+	lsls r0, 16
+	asrs r0, 17
+	subs r0, 0x8
+	strh r0, [r4, 0x26]
+	adds r0, r6, 0
+	adds r0, 0x43
+	ldrb r0, [r0]
+	subs r0, 0x1
+	adds r1, r4, 0
+	adds r1, 0x43
+	strb r0, [r1]
+	ldrb r0, [r6, 0x5]
+	movs r1, 0xC
+	ands r1, r0
+	ldrb r2, [r4, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r2
+	orrs r0, r1
+	strb r0, [r4, 0x5]
+	adds r0, r6, 0
+	adds r0, 0x3E
+	ldrb r1, [r0]
+	lsls r1, 29
+	lsrs r1, 31
+	adds r0, r4, 0
+	bl sub_80979D4
+_08154AF2:
+	add sp, 0x4
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_8154A10
+
+	thumb_func_start sub_8154B04
+sub_8154B04: @ 8154B04
+	push {r4,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0x8
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x2C]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	ldrb r3, [r4, 0x8]
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r1, r0, 24
+	cmp r1, 0x40
+	beq _08154B62
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02020630
+	adds r0, r1
+	adds r3, r0, 0
+	adds r3, 0x3E
+	ldrb r1, [r3]
+	movs r2, 0x2
+	orrs r1, r2
+	strb r1, [r3]
+	movs r1, 0x3
+	ldrb r2, [r4, 0xC]
+	ands r2, r1
+	lsls r2, 2
+	ldrb r3, [r0, 0x5]
+	movs r1, 0xD
+	negs r1, r1
+	ands r1, r3
+	orrs r1, r2
+	strb r1, [r0, 0x5]
+	movs r1, 0xD
+	strh r1, [r0, 0x3C]
+	ldrb r1, [r4, 0x10]
+	bl StartObjectImageAnim
+_08154B62:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8154B04
+
+	thumb_func_start sub_8154B78
+sub_8154B78: @ 8154B78
+	push {r4,r5,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0x8
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x5C]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	ldrb r3, [r4, 0x8]
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r1, r0, 24
+	adds r5, r1, 0
+	cmp r1, 0x40
+	beq _08154BD8
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02020630
+	adds r0, r1
+	adds r3, r0, 0
+	adds r3, 0x3E
+	ldrb r1, [r3]
+	movs r2, 0x2
+	orrs r1, r2
+	strb r1, [r3]
+	movs r1, 0x3
+	ldrb r2, [r4, 0xC]
+	ands r2, r1
+	lsls r2, 2
+	ldrb r3, [r0, 0x5]
+	movs r1, 0xD
+	negs r1, r1
+	ands r1, r3
+	orrs r1, r2
+	strb r1, [r0, 0x5]
+	movs r1, 0x18
+	strh r1, [r0, 0x3C]
+	ldrb r1, [r4, 0x10]
+	bl StartObjectImageAnim
+_08154BD8:
+	adds r0, r5, 0
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8154B78
+
+	thumb_func_start sub_8154BEC
+sub_8154BEC: @ 8154BEC
+	push {r4,r5,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0x8
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x6C]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	ldrb r3, [r4, 0x8]
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r1, r0, 24
+	adds r5, r1, 0
+	cmp r1, 0x40
+	beq _08154C4C
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02020630
+	adds r0, r1
+	adds r3, r0, 0
+	adds r3, 0x3E
+	ldrb r1, [r3]
+	movs r2, 0x2
+	orrs r1, r2
+	strb r1, [r3]
+	movs r1, 0x3
+	ldrb r2, [r4, 0xC]
+	ands r2, r1
+	lsls r2, 2
+	ldrb r3, [r0, 0x5]
+	movs r1, 0xD
+	negs r1, r1
+	ands r1, r3
+	orrs r1, r2
+	strb r1, [r0, 0x5]
+	movs r1, 0x23
+	strh r1, [r0, 0x3C]
+	ldrb r1, [r4, 0x10]
+	bl StartObjectImageAnim
+_08154C4C:
+	adds r0, r5, 0
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8154BEC
+
+	thumb_func_start sub_8154C60
+sub_8154C60: @ 8154C60
+	push {lr}
+	ldr r2, =gUnknown_085CDC4C
+	movs r3, 0x2E
+	ldrsh r1, [r0, r3]
+	lsls r1, 2
+	adds r1, r2
+	ldr r1, [r1]
+	bl _call_via_r1
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_8154C60
+
+	thumb_func_start sub_8154C7C
+sub_8154C7C: @ 8154C7C
+	push {lr}
+	adds r1, r0, 0
+	ldrh r0, [r1, 0x30]
+	adds r0, 0x1
+	strh r0, [r1, 0x30]
+	lsls r0, 16
+	asrs r0, 16
+	cmp r0, 0x28
+	ble _08154C92
+	movs r0, 0x1
+	strh r0, [r1, 0x2E]
+_08154C92:
+	adds r0, r1, 0
+	movs r1, 0
+	bl sub_80979D4
+	pop {r0}
+	bx r0
+	thumb_func_end sub_8154C7C
+
+	thumb_func_start sub_8154CA0
+sub_8154CA0: @ 8154CA0
+	push {r4,lr}
+	adds r4, r0, 0
+	adds r3, r4, 0
+	adds r3, 0x3E
+	ldrb r2, [r3]
+	lsls r0, r2, 29
+	lsrs r0, 31
+	movs r1, 0x1
+	eors r1, r0
+	lsls r1, 2
+	movs r0, 0x5
+	negs r0, r0
+	ands r0, r2
+	orrs r0, r1
+	strb r0, [r3]
+	ldrh r0, [r4, 0x30]
+	adds r0, 0x1
+	strh r0, [r4, 0x30]
+	ldrb r1, [r3]
+	lsls r1, 29
+	lsrs r1, 31
+	adds r0, r4, 0
+	bl sub_80979D4
+	movs r1, 0x30
+	ldrsh r0, [r4, r1]
+	cmp r0, 0x38
+	ble _08154CE4
+	ldrh r1, [r4, 0x3C]
+	lsls r1, 24
+	lsrs r1, 24
+	adds r0, r4, 0
+	bl FieldEffectStop
+_08154CE4:
+	pop {r4}
+	pop {r0}
+	bx r0
+	thumb_func_end sub_8154CA0
+
+	thumb_func_start sub_8154CEC
+sub_8154CEC: @ 8154CEC
+	push {r4-r6,lr}
+	ldr r6, =0x02038c08
+	ldrb r0, [r6]
+	ldrb r1, [r6, 0x4]
+	ldrb r2, [r6, 0x8]
+	bl GetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	lsrs r0, 24
+	lsls r1, r0, 3
+	adds r1, r0
+	lsls r1, 2
+	ldr r0, =0x02037350
+	adds r5, r1, r0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x34]
+	movs r1, 0
+	movs r2, 0
+	movs r3, 0
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r4, r0, 24
+	cmp r4, 0x40
+	beq _08154D76
+	ldrb r0, [r5, 0x5]
+	bl GetFieldObjectGraphicsInfo
+	lsls r3, r4, 4
+	adds r3, r4
+	lsls r3, 2
+	ldr r4, =0x02020630
+	adds r3, r4
+	movs r1, 0x3E
+	adds r1, r3
+	mov r12, r1
+	ldrb r1, [r1]
+	movs r2, 0x2
+	orrs r1, r2
+	mov r2, r12
+	strb r1, [r2]
+	ldrb r2, [r5, 0x4]
+	lsls r1, r2, 4
+	adds r1, r2
+	lsls r1, 2
+	adds r1, r4
+	ldrb r1, [r1, 0x5]
+	movs r2, 0xC
+	ands r2, r1
+	ldrb r4, [r3, 0x5]
+	movs r1, 0xD
+	negs r1, r1
+	ands r1, r4
+	orrs r1, r2
+	strb r1, [r3, 0x5]
+	ldr r1, [r6]
+	strh r1, [r3, 0x2E]
+	ldr r1, [r6, 0x4]
+	strh r1, [r3, 0x30]
+	ldr r1, [r6, 0x8]
+	strh r1, [r3, 0x32]
+	ldrh r0, [r0, 0xA]
+	lsls r0, 16
+	asrs r0, 17
+	subs r0, 0x4
+	strh r0, [r3, 0x26]
+	movs r0, 0x46
+	bl audio_play
+_08154D76:
+	movs r0, 0
+	pop {r4-r6}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8154CEC
+
+	thumb_func_start sub_8154D90
+sub_8154D90: @ 8154D90
+	push {r4,lr}
+	sub sp, 0x4
+	adds r4, r0, 0
+	adds r0, 0x3F
+	ldrb r1, [r0]
+	movs r0, 0x10
+	ands r0, r1
+	cmp r0, 0
+	bne _08154DC0
+	ldrh r0, [r4, 0x2E]
+	lsls r0, 24
+	lsrs r0, 24
+	ldrh r1, [r4, 0x30]
+	lsls r1, 24
+	lsrs r1, 24
+	ldrh r2, [r4, 0x32]
+	lsls r2, 24
+	lsrs r2, 24
+	mov r3, sp
+	bl TryGetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	cmp r0, 0
+	beq _08154DCA
+_08154DC0:
+	adds r0, r4, 0
+	movs r1, 0xF
+	bl FieldEffectStop
+	b _08154E0A
+_08154DCA:
+	ldr r3, =0x02020630
+	ldr r2, =0x02037350
+	mov r0, sp
+	ldrb r1, [r0]
+	lsls r0, r1, 3
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r2
+	ldrb r1, [r0, 0x4]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r3
+	ldrh r0, [r0, 0x20]
+	strh r0, [r4, 0x20]
+	mov r0, sp
+	ldrb r1, [r0]
+	lsls r0, r1, 3
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r2
+	ldrb r1, [r0, 0x4]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r3
+	ldrh r0, [r0, 0x22]
+	strh r0, [r4, 0x22]
+	adds r0, r4, 0
+	movs r1, 0
+	bl sub_80979D4
+_08154E0A:
+	add sp, 0x4
+	pop {r4}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_8154D90
+
+	thumb_func_start sub_8154E1C
+sub_8154E1C: @ 8154E1C
+	push {r4,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0xC
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x38]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	movs r3, 0
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _08154E78
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r0, =0x02020630
+	adds r2, r0
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	movs r0, 0x3
+	ldrb r1, [r4, 0xC]
+	ands r1, r0
+	lsls r1, 2
+	ldrb r3, [r2, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r2, 0x5]
+	ldr r0, [r4, 0x8]
+	strh r0, [r2, 0x2E]
+	movs r0, 0x10
+	strh r0, [r2, 0x30]
+_08154E78:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8154E1C
+
+	thumb_func_start oei_water_drop_tall
+oei_water_drop_tall: @ 8154E8C
+	push {r4,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0x8
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x30]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	movs r3, 0
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _08154EE8
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r0, =0x02020630
+	adds r2, r0
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	movs r0, 0x3
+	ldrb r1, [r4, 0xC]
+	ands r1, r0
+	lsls r1, 2
+	ldrb r3, [r2, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r2, 0x5]
+	ldr r0, [r4, 0x8]
+	strh r0, [r2, 0x2E]
+	movs r0, 0xE
+	strh r0, [r2, 0x30]
+_08154EE8:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end oei_water_drop_tall
+
+	thumb_func_start sub_8154EFC
+sub_8154EFC: @ 8154EFC
+	push {r4-r7,lr}
+	ldr r7, =0x02038c08
+	ldrb r0, [r7]
+	ldrb r1, [r7, 0x4]
+	ldrb r2, [r7, 0x8]
+	bl GetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	lsrs r0, 24
+	lsls r1, r0, 3
+	adds r1, r0
+	lsls r1, 2
+	ldr r0, =0x02037350
+	adds r6, r1, r0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x34]
+	movs r1, 0
+	movs r2, 0
+	movs r3, 0
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r5, r0, 24
+	cmp r5, 0x40
+	beq _08154F92
+	ldrb r0, [r6, 0x5]
+	bl GetFieldObjectGraphicsInfo
+	adds r4, r0, 0
+	lsls r0, r5, 4
+	adds r0, r5
+	lsls r0, 2
+	ldr r3, =0x02020630
+	adds r0, r3
+	ldr r1, =sub_8154FB4
+	str r1, [r0, 0x1C]
+	adds r5, r0, 0
+	adds r5, 0x3E
+	ldrb r1, [r5]
+	movs r2, 0x2
+	orrs r1, r2
+	strb r1, [r5]
+	ldrb r2, [r6, 0x4]
+	lsls r1, r2, 4
+	adds r1, r2
+	lsls r1, 2
+	adds r1, r3
+	ldrb r1, [r1, 0x5]
+	movs r2, 0xC
+	ands r2, r1
+	ldrb r3, [r0, 0x5]
+	movs r1, 0xD
+	negs r1, r1
+	ands r1, r3
+	orrs r1, r2
+	strb r1, [r0, 0x5]
+	ldr r1, [r7]
+	strh r1, [r0, 0x2E]
+	ldr r1, [r7, 0x4]
+	strh r1, [r0, 0x30]
+	ldr r1, [r7, 0x8]
+	strh r1, [r0, 0x32]
+	ldr r1, =0x0000ffff
+	strh r1, [r0, 0x34]
+	movs r1, 0x1
+	negs r1, r1
+	strh r1, [r0, 0x36]
+	ldrh r1, [r4, 0xA]
+	lsls r1, 16
+	asrs r1, 17
+	subs r1, 0x4
+	strh r1, [r0, 0x26]
+	movs r1, 0x1
+	bl StartObjectImageAnim
+_08154F92:
+	movs r0, 0
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8154EFC
+
+	thumb_func_start sub_8154FB4
+sub_8154FB4: @ 8154FB4
+	push {r4,r5,lr}
+	sub sp, 0x4
+	adds r4, r0, 0
+	ldrh r0, [r4, 0x2E]
+	lsls r0, 24
+	lsrs r0, 24
+	ldrh r1, [r4, 0x30]
+	lsls r1, 24
+	lsrs r1, 24
+	ldrh r2, [r4, 0x32]
+	lsls r2, 24
+	lsrs r2, 24
+	mov r3, sp
+	bl TryGetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	cmp r0, 0
+	bne _08154FEE
+	ldr r2, =0x02037350
+	mov r0, sp
+	ldrb r1, [r0]
+	lsls r0, r1, 3
+	adds r0, r1
+	lsls r0, 2
+	adds r5, r0, r2
+	ldrb r0, [r5, 0x2]
+	lsls r0, 28
+	cmp r0, 0
+	blt _08154FFC
+_08154FEE:
+	adds r0, r4, 0
+	movs r1, 0x22
+	bl FieldEffectStop
+	b _08155046
+	.pool
+_08154FFC:
+	ldrb r1, [r5, 0x4]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02020630
+	adds r0, r1
+	ldrh r1, [r0, 0x20]
+	strh r1, [r4, 0x20]
+	ldrh r1, [r0, 0x22]
+	strh r1, [r4, 0x22]
+	adds r0, 0x43
+	ldrb r0, [r0]
+	adds r1, r4, 0
+	adds r1, 0x43
+	strb r0, [r1]
+	adds r0, r4, 0
+	movs r1, 0
+	bl sub_80979D4
+	ldr r1, [r5, 0x10]
+	ldr r0, [r4, 0x34]
+	cmp r1, r0
+	beq _08155046
+	ldrh r0, [r5, 0x10]
+	strh r0, [r4, 0x34]
+	ldrh r0, [r5, 0x12]
+	strh r0, [r4, 0x36]
+	adds r0, r4, 0
+	adds r0, 0x3E
+	ldrb r1, [r0]
+	movs r0, 0x4
+	ands r0, r1
+	cmp r0, 0
+	bne _08155046
+	movs r0, 0x46
+	bl audio_play
+_08155046:
+	add sp, 0x4
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_8154FB4
+
+	thumb_func_start oei_ripples
+oei_ripples: @ 8155054
+	push {r4,lr}
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x14]
+	ldr r4, =0x02038c08
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	ldrb r3, [r4, 0x8]
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _081550A0
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r0, =0x02020630
+	adds r2, r0
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	movs r0, 0x3
+	ldrb r1, [r4, 0xC]
+	ands r1, r0
+	lsls r1, 2
+	ldrb r3, [r2, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r2, 0x5]
+	movs r0, 0x5
+	strh r0, [r2, 0x2E]
+_081550A0:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end oei_ripples
+
+	thumb_func_start sub_81550B4
+sub_81550B4: @ 81550B4
+	push {r4-r6,lr}
+	ldr r6, =0x02038c08
+	ldrb r0, [r6]
+	ldrb r1, [r6, 0x4]
+	ldrb r2, [r6, 0x8]
+	bl GetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	lsrs r0, 24
+	lsls r1, r0, 3
+	adds r1, r0
+	lsls r1, 2
+	ldr r0, =0x02037350
+	adds r5, r1, r0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x7C]
+	movs r1, 0
+	movs r2, 0
+	movs r3, 0
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _08155140
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r4, =0x02020630
+	adds r2, r4
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	ldrb r1, [r5, 0x4]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r4
+	ldrb r0, [r0, 0x5]
+	movs r1, 0xC
+	ands r1, r0
+	ldrb r3, [r2, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r2, 0x5]
+	ldr r0, [r6]
+	strh r0, [r2, 0x2E]
+	ldr r0, [r6, 0x4]
+	strh r0, [r2, 0x30]
+	ldr r0, [r6, 0x8]
+	strh r0, [r2, 0x32]
+	ldrb r1, [r5, 0x4]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r4
+	ldrh r0, [r0, 0x20]
+	strh r0, [r2, 0x34]
+	ldrb r1, [r5, 0x4]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r4
+	ldrh r0, [r0, 0x22]
+	strh r0, [r2, 0x36]
+_08155140:
+	movs r0, 0
+	pop {r4-r6}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_81550B4
+
+	thumb_func_start sub_8155158
+sub_8155158: @ 8155158
+	push {r4,r5,lr}
+	sub sp, 0x4
+	adds r4, r0, 0
+	ldrh r0, [r4, 0x2E]
+	lsls r0, 24
+	lsrs r0, 24
+	ldrh r1, [r4, 0x30]
+	lsls r1, 24
+	lsrs r1, 24
+	ldrh r2, [r4, 0x32]
+	lsls r2, 24
+	lsrs r2, 24
+	mov r3, sp
+	bl TryGetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	cmp r0, 0
+	bne _08155192
+	ldr r5, =0x02037350
+	mov r0, sp
+	ldrb r1, [r0]
+	lsls r0, r1, 3
+	adds r0, r1
+	lsls r0, 2
+	adds r1, r0, r5
+	ldrb r0, [r1, 0x2]
+	lsls r0, 26
+	cmp r0, 0
+	blt _081551A0
+_08155192:
+	adds r0, r4, 0
+	movs r1, 0x2A
+	bl FieldEffectStop
+	b _081551E4
+	.pool
+_081551A0:
+	ldrb r0, [r1, 0x5]
+	bl GetFieldObjectGraphicsInfo
+	mov r1, sp
+	ldrb r2, [r1]
+	lsls r1, r2, 3
+	adds r1, r2
+	lsls r1, 2
+	adds r1, r5
+	ldrb r2, [r1, 0x4]
+	lsls r1, r2, 4
+	adds r1, r2
+	lsls r1, 2
+	ldr r2, =0x02020630
+	adds r1, r2
+	ldrh r2, [r1, 0x20]
+	strh r2, [r4, 0x20]
+	ldrh r0, [r0, 0xA]
+	lsls r0, 16
+	asrs r0, 17
+	ldrh r2, [r1, 0x22]
+	adds r0, r2
+	subs r0, 0x8
+	strh r0, [r4, 0x22]
+	adds r1, 0x43
+	ldrb r0, [r1]
+	subs r0, 0x1
+	adds r1, r4, 0
+	adds r1, 0x43
+	strb r0, [r1]
+	adds r0, r4, 0
+	movs r1, 0
+	bl sub_80979D4
+_081551E4:
+	add sp, 0x4
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_8155158
+
+	thumb_func_start sub_81551F0
+sub_81551F0: @ 81551F0
+	push {r4,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0x8
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x44]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	ldrb r3, [r4, 0x8]
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _08155248
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r0, =0x02020630
+	adds r2, r0
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	movs r0, 0x3
+	ldrb r1, [r4, 0xC]
+	ands r1, r0
+	lsls r1, 2
+	ldrb r3, [r2, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r2, 0x5]
+	movs r0, 0x13
+	strh r0, [r2, 0x2E]
+_08155248:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_81551F0
+
+	thumb_func_start sub_815525C
+sub_815525C: @ 815525C
+	push {r4,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0x8
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x48]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	ldrb r3, [r4, 0x8]
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _081552B4
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r0, =0x02020630
+	adds r2, r0
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	movs r0, 0x3
+	ldrb r1, [r4, 0xC]
+	ands r1, r0
+	lsls r1, 2
+	ldrb r3, [r2, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r2, 0x5]
+	movs r0, 0x14
+	strh r0, [r2, 0x2E]
+_081552B4:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_815525C
+
+	thumb_func_start sub_81552C8
+sub_81552C8: @ 81552C8
+	push {r4,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0x8
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x4C]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	ldrb r3, [r4, 0x8]
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _08155320
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r0, =0x02020630
+	adds r2, r0
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	movs r0, 0x3
+	ldrb r1, [r4, 0xC]
+	ands r1, r0
+	lsls r1, 2
+	ldrb r3, [r2, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r2, 0x5]
+	movs r0, 0x15
+	strh r0, [r2, 0x2E]
+_08155320:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_81552C8
+
+	thumb_func_start sub_8155334
+sub_8155334: @ 8155334
+	push {r4,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0x8
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x50]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	ldrb r3, [r4, 0x8]
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _0815538C
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r0, =0x02020630
+	adds r2, r0
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	movs r0, 0x3
+	ldrb r1, [r4, 0xC]
+	ands r1, r0
+	lsls r1, 2
+	ldrb r3, [r2, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r2, 0x5]
+	movs r0, 0x16
+	strh r0, [r2, 0x2E]
+_0815538C:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8155334
+
+	thumb_func_start ash
+ash: @ 81553A0
+	push {r4,lr}
+	lsls r2, 16
+	lsrs r2, 16
+	ldr r4, =0x02038c08
+	lsls r0, 16
+	asrs r0, 16
+	str r0, [r4]
+	lsls r1, 16
+	asrs r1, 16
+	str r1, [r4, 0x4]
+	movs r0, 0x52
+	str r0, [r4, 0x8]
+	movs r0, 0x1
+	str r0, [r4, 0xC]
+	str r2, [r4, 0x10]
+	lsls r3, 16
+	asrs r3, 16
+	str r3, [r4, 0x14]
+	movs r0, 0x7
+	bl FieldEffectStart
+	pop {r4}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end ash
+
+	thumb_func_start oei_ash
+oei_ash: @ 81553D4
+	push {r4,r5,lr}
+	sub sp, 0x4
+	ldr r5, =0x02038c08
+	ldrh r1, [r5]
+	mov r0, sp
+	strh r1, [r0]
+	ldrh r0, [r5, 0x4]
+	mov r4, sp
+	adds r4, 0x2
+	strh r0, [r4]
+	mov r0, sp
+	adds r1, r4, 0
+	movs r2, 0x8
+	movs r3, 0x8
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x18]
+	mov r1, sp
+	movs r2, 0
+	ldrsh r1, [r1, r2]
+	movs r3, 0
+	ldrsh r2, [r4, r3]
+	ldrb r3, [r5, 0x8]
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _0815544A
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r0, =0x02020630
+	adds r2, r0
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	movs r0, 0x3
+	ldrb r1, [r5, 0xC]
+	ands r1, r0
+	lsls r1, 2
+	ldrb r3, [r2, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r2, 0x5]
+	ldr r0, [r5]
+	strh r0, [r2, 0x30]
+	ldr r0, [r5, 0x4]
+	strh r0, [r2, 0x32]
+	ldr r0, [r5, 0x10]
+	strh r0, [r2, 0x34]
+	ldr r0, [r5, 0x14]
+	strh r0, [r2, 0x36]
+_0815544A:
+	movs r0, 0
+	add sp, 0x4
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end oei_ash
+
+	thumb_func_start sub_8155460
+sub_8155460: @ 8155460
+	push {lr}
+	ldr r2, =gUnknown_085CDC54
+	movs r3, 0x2E
+	ldrsh r1, [r0, r3]
+	lsls r1, 2
+	adds r1, r2
+	ldr r1, [r1]
+	bl _call_via_r1
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_8155460
+
+	thumb_func_start sub_815547C
+sub_815547C: @ 815547C
+	push {lr}
+	adds r3, r0, 0
+	adds r2, r3, 0
+	adds r2, 0x3E
+	ldrb r0, [r2]
+	movs r1, 0x4
+	orrs r0, r1
+	strb r0, [r2]
+	subs r2, 0x12
+	ldrb r0, [r2]
+	movs r1, 0x40
+	orrs r0, r1
+	strb r0, [r2]
+	ldrh r0, [r3, 0x36]
+	subs r0, 0x1
+	strh r0, [r3, 0x36]
+	lsls r0, 16
+	cmp r0, 0
+	bne _081554A6
+	movs r0, 0x1
+	strh r0, [r3, 0x2E]
+_081554A6:
+	pop {r0}
+	bx r0
+	thumb_func_end sub_815547C
+
+	thumb_func_start sub_81554AC
+sub_81554AC: @ 81554AC
+	push {r4,lr}
+	adds r4, r0, 0
+	adds r2, r4, 0
+	adds r2, 0x3E
+	ldrb r1, [r2]
+	movs r0, 0x5
+	negs r0, r0
+	ands r0, r1
+	strb r0, [r2]
+	subs r2, 0x12
+	ldrb r1, [r2]
+	movs r0, 0x41
+	negs r0, r0
+	ands r0, r1
+	strb r0, [r2]
+	movs r1, 0x30
+	ldrsh r0, [r4, r1]
+	movs r2, 0x32
+	ldrsh r1, [r4, r2]
+	ldrh r2, [r4, 0x34]
+	bl MapGridSetMetatileIdAt
+	movs r1, 0x30
+	ldrsh r0, [r4, r1]
+	movs r2, 0x32
+	ldrsh r1, [r4, r2]
+	bl CurrentMapDrawMetatileAt
+	ldr r2, =0x02037350
+	ldr r0, =0x02037590
+	ldrb r1, [r0, 0x5]
+	lsls r0, r1, 3
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r2
+	ldrb r1, [r0]
+	movs r2, 0x4
+	orrs r1, r2
+	strb r1, [r0]
+	movs r0, 0x2
+	strh r0, [r4, 0x2E]
+	pop {r4}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_81554AC
+
+	thumb_func_start sub_815550C
+sub_815550C: @ 815550C
+	push {r4,lr}
+	adds r4, r0, 0
+	movs r1, 0
+	bl sub_80979D4
+	adds r0, r4, 0
+	adds r0, 0x3F
+	ldrb r1, [r0]
+	movs r0, 0x10
+	ands r0, r1
+	cmp r0, 0
+	beq _0815552C
+	adds r0, r4, 0
+	movs r1, 0x7
+	bl FieldEffectStop
+_0815552C:
+	pop {r4}
+	pop {r0}
+	bx r0
+	thumb_func_end sub_815550C
+
+	thumb_func_start sub_8155534
+sub_8155534: @ 8155534
+	push {r4,r5,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0x8
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x1C]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	movs r3, 0x96
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	adds r5, r0, 0
+	cmp r0, 0x40
+	beq _0815558E
+	lsls r1, r0, 4
+	adds r1, r0
+	lsls r1, 2
+	ldr r0, =0x02020630
+	adds r1, r0
+	adds r3, r1, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r2, 0x2
+	orrs r0, r2
+	strb r0, [r3]
+	ldrb r2, [r1, 0x5]
+	movs r0, 0xF
+	ands r0, r2
+	strb r0, [r1, 0x5]
+	ldr r0, [r4, 0x8]
+	strh r0, [r1, 0x32]
+	ldr r0, =0x0000ffff
+	strh r0, [r1, 0x34]
+	movs r0, 0x1
+	negs r0, r0
+	strh r0, [r1, 0x3A]
+	strh r0, [r1, 0x3C]
+_0815558E:
+	movs r0, 0x8
+	bl FieldEffectActiveListRemove
+	adds r0, r5, 0
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8155534
+
+	thumb_func_start sub_81555AC
+sub_81555AC: @ 81555AC
+	lsls r0, 24
+	lsrs r0, 24
+	lsls r1, 24
+	ldr r3, =0x02020630
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	adds r2, r3
+	ldrh r0, [r2, 0x2E]
+	movs r3, 0x10
+	negs r3, r3
+	ands r3, r0
+	movs r0, 0xF0
+	lsls r0, 20
+	ands r0, r1
+	lsrs r0, 24
+	orrs r0, r3
+	strh r0, [r2, 0x2E]
+	bx lr
+	.pool
+	thumb_func_end sub_81555AC
+
+	thumb_func_start sub_81555D8
+sub_81555D8: @ 81555D8
+	lsls r0, 24
+	lsrs r0, 24
+	lsls r1, 24
+	ldr r3, =0x02020630
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	adds r2, r3
+	ldrh r0, [r2, 0x2E]
+	movs r3, 0xF1
+	negs r3, r3
+	ands r3, r0
+	movs r0, 0xF0
+	lsls r0, 20
+	ands r0, r1
+	lsrs r0, 20
+	orrs r3, r0
+	strh r3, [r2, 0x2E]
+	bx lr
+	.pool
+	thumb_func_end sub_81555D8
+
+	thumb_func_start sub_8155604
+sub_8155604: @ 8155604
+	push {r4,lr}
+	lsls r0, 24
+	lsrs r0, 24
+	lsls r1, 24
+	ldr r4, =0x02020630
+	lsls r3, r0, 4
+	adds r3, r0
+	lsls r3, 2
+	adds r3, r4
+	ldrh r0, [r3, 0x2E]
+	ldr r4, =0xfffff0ff
+	ands r4, r0
+	movs r0, 0xF0
+	lsls r0, 20
+	ands r0, r1
+	lsrs r0, 16
+	orrs r4, r0
+	strh r4, [r3, 0x2E]
+	strh r2, [r3, 0x30]
+	pop {r4}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_8155604
+
+	thumb_func_start sub_8155638
+sub_8155638: @ 8155638
+	ldrh r1, [r0, 0x2E]
+	movs r0, 0xF
+	ands r0, r1
+	bx lr
+	thumb_func_end sub_8155638
+
+	thumb_func_start sub_8155640
+sub_8155640: @ 8155640
+	ldrh r1, [r0, 0x2E]
+	movs r0, 0xF0
+	ands r0, r1
+	lsrs r0, 4
+	bx lr
+	thumb_func_end sub_8155640
+
+	thumb_func_start sub_815564C
+sub_815564C: @ 815564C
+	ldrh r1, [r0, 0x2E]
+	movs r0, 0xF0
+	lsls r0, 4
+	ands r0, r1
+	lsrs r0, 8
+	bx lr
+	thumb_func_end sub_815564C
+
+	thumb_func_start sub_8155658
+sub_8155658: @ 8155658
+	push {r4-r6,lr}
+	adds r6, r0, 0
+	movs r1, 0x32
+	ldrsh r0, [r6, r1]
+	lsls r4, r0, 3
+	adds r4, r0
+	lsls r4, 2
+	ldr r0, =0x02037350
+	adds r4, r0
+	ldrb r0, [r4, 0x4]
+	lsls r5, r0, 4
+	adds r5, r0
+	lsls r5, 2
+	ldr r0, =0x02020630
+	adds r5, r0
+	adds r0, r4, 0
+	adds r1, r6, 0
+	bl sub_81556B0
+	adds r0, r4, 0
+	adds r1, r6, 0
+	bl sub_81556E8
+	adds r0, r4, 0
+	adds r1, r5, 0
+	adds r2, r6, 0
+	bl sub_815577C
+	ldrb r0, [r5, 0x5]
+	movs r1, 0xC
+	ands r1, r0
+	ldrb r2, [r6, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r2
+	orrs r0, r1
+	strb r0, [r6, 0x5]
+	pop {r4-r6}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_8155658
+
+	thumb_func_start sub_81556B0
+sub_81556B0: @ 81556B0
+	push {r4,r5,lr}
+	sub sp, 0xC
+	adds r5, r0, 0
+	adds r4, r1, 0
+	ldr r1, =gUnknown_085CDC60
+	mov r0, sp
+	movs r2, 0x9
+	bl memcpy
+	adds r0, r4, 0
+	bl sub_8155640
+	lsls r0, 24
+	cmp r0, 0
+	bne _081556DC
+	ldrb r0, [r5, 0x18]
+	lsrs r0, 4
+	add r0, sp
+	ldrb r1, [r0]
+	adds r0, r4, 0
+	bl StartObjectImageAnimIfDifferent
+_081556DC:
+	add sp, 0xC
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_81556B0
+
+	thumb_func_start sub_81556E8
+sub_81556E8: @ 81556E8
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	sub sp, 0x4
+	adds r4, r1, 0
+	ldrh r2, [r0, 0x10]
+	mov r1, sp
+	strh r2, [r1]
+	ldrh r1, [r0, 0x12]
+	mov r0, sp
+	adds r0, 0x2
+	strh r1, [r0]
+	movs r2, 0x26
+	ldrsh r3, [r4, r2]
+	mov r8, r0
+	cmp r3, 0
+	bne _08155770
+	mov r0, sp
+	movs r5, 0
+	ldrsh r2, [r0, r5]
+	movs r5, 0x3A
+	ldrsh r0, [r4, r5]
+	cmp r2, r0
+	bne _08155724
+	lsls r0, r1, 16
+	asrs r0, 16
+	movs r5, 0x3C
+	ldrsh r1, [r4, r5]
+	cmp r0, r1
+	beq _08155770
+_08155724:
+	strh r3, [r4, 0x38]
+	strh r2, [r4, 0x3A]
+	mov r1, r8
+	movs r2, 0
+	ldrsh r0, [r1, r2]
+	strh r0, [r4, 0x3C]
+	movs r5, 0x1
+	mov r7, r8
+	mov r6, sp
+_08155736:
+	adds r0, r5, 0
+	mov r1, sp
+	adds r2, r7, 0
+	bl MoveCoords
+	movs r1, 0
+	ldrsh r0, [r6, r1]
+	movs r2, 0
+	ldrsh r1, [r7, r2]
+	bl MapGridGetZCoordAt
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x3
+	bne _0815575C
+	ldrh r0, [r4, 0x38]
+	adds r0, 0x1
+	strh r0, [r4, 0x38]
+	b _08155770
+_0815575C:
+	adds r0, r5, 0x1
+	lsls r0, 24
+	lsrs r5, r0, 24
+	ldrh r0, [r4, 0x3A]
+	strh r0, [r6]
+	ldrh r0, [r4, 0x3C]
+	mov r1, r8
+	strh r0, [r1]
+	cmp r5, 0x4
+	bls _08155736
+_08155770:
+	add sp, 0x4
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	thumb_func_end sub_81556E8
+
+	thumb_func_start sub_815577C
+sub_815577C: @ 815577C
+	push {r4,r5,lr}
+	sub sp, 0x4
+	adds r5, r1, 0
+	adds r4, r2, 0
+	ldr r1, =gUnknown_085CDC6A
+	mov r0, sp
+	movs r2, 0x4
+	bl memcpy
+	adds r0, r4, 0
+	bl sub_8155638
+	lsls r0, 24
+	lsrs r0, 24
+	adds r2, r0, 0
+	cmp r2, 0
+	beq _081557F6
+	ldrh r1, [r4, 0x36]
+	adds r1, 0x1
+	strh r1, [r4, 0x36]
+	movs r3, 0x38
+	ldrsh r0, [r4, r3]
+	lsls r0, 1
+	add r0, sp
+	ldrh r0, [r0]
+	ands r1, r0
+	cmp r1, 0
+	bne _081557BC
+	ldrh r0, [r4, 0x34]
+	ldrh r1, [r4, 0x26]
+	adds r0, r1
+	strh r0, [r4, 0x26]
+_081557BC:
+	ldrh r1, [r4, 0x36]
+	movs r0, 0xF
+	ands r0, r1
+	cmp r0, 0
+	bne _081557CC
+	ldrh r0, [r4, 0x34]
+	negs r0, r0
+	strh r0, [r4, 0x34]
+_081557CC:
+	cmp r2, 0x2
+	beq _081557F6
+	adds r0, r4, 0
+	bl sub_815564C
+	lsls r0, 24
+	cmp r0, 0
+	bne _081557E4
+	ldrh r0, [r4, 0x26]
+	b _081557EA
+	.pool
+_081557E4:
+	ldrh r0, [r4, 0x26]
+	ldrh r3, [r4, 0x30]
+	adds r0, r3
+_081557EA:
+	strh r0, [r5, 0x26]
+	ldrh r0, [r5, 0x20]
+	strh r0, [r4, 0x20]
+	ldrh r0, [r5, 0x22]
+	adds r0, 0x8
+	strh r0, [r4, 0x22]
+_081557F6:
+	add sp, 0x4
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	thumb_func_end sub_815577C
+
+	thumb_func_start sub_8155800
+sub_8155800: @ 8155800
+	push {r4,lr}
+	adds r4, r0, 0
+	lsls r4, 24
+	lsrs r4, 24
+	ldr r0, =gUnknown_082EC6AC
+	movs r1, 0
+	movs r2, 0
+	movs r3, 0xFF
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r1, =0x02020630
+	adds r2, r1
+	ldr r1, =sub_8155850
+	str r1, [r2, 0x1C]
+	movs r1, 0x3E
+	adds r1, r2
+	mov r12, r1
+	ldrb r1, [r1]
+	movs r3, 0x4
+	orrs r1, r3
+	mov r3, r12
+	strb r1, [r3]
+	strh r4, [r2, 0x2E]
+	movs r1, 0x1
+	strh r1, [r2, 0x30]
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8155800
+
+	thumb_func_start sub_8155850
+sub_8155850: @ 8155850
+	push {lr}
+	adds r2, r0, 0
+	movs r0, 0x2E
+	ldrsh r1, [r2, r0]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02020630
+	adds r3, r0, r1
+	ldrh r1, [r2, 0x32]
+	adds r0, r1, 0x1
+	strh r0, [r2, 0x32]
+	movs r0, 0x3
+	ands r0, r1
+	cmp r0, 0
+	bne _08155878
+	ldrh r0, [r2, 0x30]
+	ldrh r1, [r3, 0x26]
+	adds r0, r1
+	strh r0, [r3, 0x26]
+_08155878:
+	ldrh r1, [r2, 0x32]
+	movs r0, 0xF
+	ands r0, r1
+	cmp r0, 0
+	bne _08155888
+	ldrh r0, [r2, 0x30]
+	negs r0, r0
+	strh r0, [r2, 0x30]
+_08155888:
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_8155850
+
+	thumb_func_start sub_8155890
+sub_8155890: @ 8155890
+	push {r4,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0xC
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x24]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	movs r3, 0
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _081558EC
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r0, =0x02020630
+	adds r2, r0
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	movs r0, 0x3
+	ldrb r1, [r4, 0xC]
+	ands r1, r0
+	lsls r1, 2
+	ldrb r3, [r2, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	strb r0, [r2, 0x5]
+	ldr r0, [r4, 0x8]
+	strh r0, [r2, 0x2E]
+	movs r0, 0xA
+	strh r0, [r2, 0x30]
+_081558EC:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8155890
+
+	thumb_func_start sub_8155900
+sub_8155900: @ 8155900
+	push {r4-r7,lr}
+	ldr r7, =0x02038c08
+	ldrb r0, [r7]
+	ldrb r1, [r7, 0x4]
+	ldrb r2, [r7, 0x8]
+	bl GetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	lsrs r0, 24
+	lsls r1, r0, 3
+	adds r1, r0
+	lsls r1, 2
+	ldr r0, =0x02037350
+	adds r6, r1, r0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x74]
+	movs r1, 0
+	movs r2, 0
+	movs r3, 0
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r4, r0, 24
+	cmp r4, 0x40
+	beq _081559A4
+	ldrb r0, [r6, 0x5]
+	bl GetFieldObjectGraphicsInfo
+	adds r5, r0, 0
+	lsls r0, r4, 4
+	adds r0, r4
+	lsls r0, 2
+	ldr r4, =0x02020630
+	adds r0, r4
+	adds r3, r0, 0
+	adds r3, 0x3E
+	ldrb r1, [r3]
+	movs r2, 0x2
+	orrs r1, r2
+	strb r1, [r3]
+	ldrb r2, [r6, 0x4]
+	lsls r1, r2, 4
+	adds r1, r2
+	lsls r1, 2
+	adds r1, r4
+	ldrb r1, [r1, 0x5]
+	movs r2, 0xC
+	ands r2, r1
+	ldrb r3, [r0, 0x5]
+	movs r1, 0xD
+	negs r1, r1
+	ands r1, r3
+	orrs r1, r2
+	strb r1, [r0, 0x5]
+	ldr r1, [r7]
+	strh r1, [r0, 0x2E]
+	ldr r1, [r7, 0x4]
+	strh r1, [r0, 0x30]
+	ldr r1, [r7, 0x8]
+	strh r1, [r0, 0x32]
+	ldrb r2, [r6, 0x4]
+	lsls r1, r2, 4
+	adds r1, r2
+	lsls r1, 2
+	adds r1, r4
+	ldrh r1, [r1, 0x20]
+	strh r1, [r0, 0x34]
+	ldrb r2, [r6, 0x4]
+	lsls r1, r2, 4
+	adds r1, r2
+	lsls r1, 2
+	adds r1, r4
+	ldrh r1, [r1, 0x22]
+	strh r1, [r0, 0x36]
+	ldrh r1, [r5, 0xA]
+	lsls r1, 16
+	asrs r1, 17
+	subs r1, 0x2
+	strh r1, [r0, 0x26]
+	movs r1, 0x2
+	bl SeekObjectImageAnim
+_081559A4:
+	movs r0, 0
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8155900
+
+	thumb_func_start sub_81559BC
+sub_81559BC: @ 81559BC
+	push {r4-r6,lr}
+	sub sp, 0x4
+	adds r4, r0, 0
+	ldrh r0, [r4, 0x2E]
+	lsls r0, 24
+	lsrs r0, 24
+	ldrh r1, [r4, 0x30]
+	lsls r1, 24
+	lsrs r1, 24
+	ldrh r2, [r4, 0x32]
+	lsls r2, 24
+	lsrs r2, 24
+	mov r3, sp
+	bl TryGetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	cmp r0, 0
+	bne _081559F6
+	ldr r2, =0x02037350
+	mov r0, sp
+	ldrb r1, [r0]
+	lsls r0, r1, 3
+	adds r0, r1
+	lsls r0, 2
+	adds r1, r0, r2
+	ldrb r0, [r1, 0x2]
+	lsls r0, 27
+	cmp r0, 0
+	blt _08155A04
+_081559F6:
+	adds r0, r4, 0
+	movs r1, 0x27
+	bl FieldEffectStop
+	b _08155A76
+	.pool
+_08155A04:
+	ldr r2, =0x02020630
+	ldrb r1, [r1, 0x4]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r2
+	ldrh r5, [r0, 0x22]
+	ldrh r6, [r0, 0x20]
+	movs r2, 0x20
+	ldrsh r1, [r0, r2]
+	movs r2, 0x34
+	ldrsh r0, [r4, r2]
+	cmp r1, r0
+	bne _08155A2C
+	lsls r0, r5, 16
+	asrs r0, 16
+	movs r2, 0x36
+	ldrsh r1, [r4, r2]
+	cmp r0, r1
+	beq _08155A46
+_08155A2C:
+	strh r6, [r4, 0x34]
+	strh r5, [r4, 0x36]
+	adds r0, r4, 0
+	adds r0, 0x3F
+	ldrb r1, [r0]
+	movs r0, 0x10
+	ands r0, r1
+	cmp r0, 0
+	beq _08155A46
+	adds r0, r4, 0
+	movs r1, 0
+	bl StartObjectImageAnim
+_08155A46:
+	strh r6, [r4, 0x20]
+	strh r5, [r4, 0x22]
+	ldr r3, =0x02020630
+	ldr r2, =0x02037350
+	mov r0, sp
+	ldrb r1, [r0]
+	lsls r0, r1, 3
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r2
+	ldrb r1, [r0, 0x4]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r3
+	adds r0, 0x43
+	ldrb r0, [r0]
+	adds r1, r4, 0
+	adds r1, 0x43
+	strb r0, [r1]
+	adds r0, r4, 0
+	movs r1, 0
+	bl sub_80979D4
+_08155A76:
+	add sp, 0x4
+	pop {r4-r6}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_81559BC
+
+	thumb_func_start sub_8155A88
+sub_8155A88: @ 8155A88
+	push {r4,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	adds r0, 0x88
+	ldr r0, [r0]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	movs r3, 0x52
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _08155AD8
+	lsls r1, r0, 4
+	adds r1, r0
+	lsls r1, 2
+	ldr r0, =0x02020630
+	adds r1, r0
+	adds r3, r1, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r2, 0x2
+	orrs r0, r2
+	strb r0, [r3]
+	ldrb r2, [r1, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r2
+	movs r2, 0x4
+	orrs r0, r2
+	strb r0, [r1, 0x5]
+_08155AD8:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8155A88
+
+	thumb_func_start sub_8155AEC
+sub_8155AEC: @ 8155AEC
+	push {r4,lr}
+	adds r4, r0, 0
+	ldrh r0, [r4, 0x2E]
+	adds r0, 0x80
+	movs r1, 0x80
+	lsls r1, 1
+	ands r0, r1
+	strh r0, [r4, 0x2E]
+	lsls r0, 16
+	asrs r0, 24
+	ldrh r1, [r4, 0x22]
+	subs r1, r0
+	strh r1, [r4, 0x22]
+	adds r0, r4, 0
+	movs r1, 0
+	bl sub_80979D4
+	ldrh r1, [r4, 0x3E]
+	ldr r0, =0x00001004
+	ands r0, r1
+	cmp r0, 0
+	beq _08155B20
+	adds r0, r4, 0
+	movs r1, 0x35
+	bl FieldEffectStop
+_08155B20:
+	pop {r4}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_8155AEC
+
+	thumb_func_start sub_8155B2C
+sub_8155B2C: @ 8155B2C
+	push {r4,lr}
+	ldr r4, =0x02038c08
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0x4
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	ldr r0, [r0, 0x58]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	ldrb r3, [r4, 0x8]
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _08155B8C
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r0, =0x02020630
+	adds r2, r0
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x2
+	orrs r0, r1
+	strb r0, [r3]
+	movs r0, 0x3
+	ldrb r1, [r4, 0xC]
+	ands r1, r0
+	lsls r1, 2
+	ldrb r3, [r2, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	movs r1, 0xF
+	ands r0, r1
+	movs r1, 0x50
+	orrs r0, r1
+	strb r0, [r2, 0x5]
+	movs r0, 0x17
+	strh r0, [r2, 0x2E]
+_08155B8C:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8155B2C
+
+	thumb_func_start ShowTreeDisguiseFieldEffect
+@ u8 ShowTreeDisguiseFieldEffect()
+ShowTreeDisguiseFieldEffect: @ 8155BA0
+	push {lr}
+	movs r0, 0x1C
+	movs r1, 0x18
+	movs r2, 0x4
+	bl ShowDisguiseFieldEffect
+	pop {r1}
+	bx r1
+	thumb_func_end ShowTreeDisguiseFieldEffect
+
+	thumb_func_start ShowMountainDisguiseFieldEffect
+@ u8 ShowMountainDisguiseFieldEffect()
+ShowMountainDisguiseFieldEffect: @ 8155BB0
+	push {lr}
+	movs r0, 0x1D
+	movs r1, 0x19
+	movs r2, 0x3
+	bl ShowDisguiseFieldEffect
+	pop {r1}
+	bx r1
+	thumb_func_end ShowMountainDisguiseFieldEffect
+
+	thumb_func_start ShowSandDisguiseFieldEffect
+@ u8 ShowSandDisguiseFieldEffect()
+ShowSandDisguiseFieldEffect: @ 8155BC0
+	push {lr}
+	movs r0, 0x24
+	movs r1, 0x1C
+	movs r2, 0x2
+	bl ShowDisguiseFieldEffect
+	pop {r1}
+	bx r1
+	thumb_func_end ShowSandDisguiseFieldEffect
+
+	thumb_func_start ShowDisguiseFieldEffect
+@ u8 ShowDisguiseFieldEffect(u8 fieldEffectId, u8 fieldEffectObjectId, u8 paletteSlot)
+ShowDisguiseFieldEffect: @ 8155BD0
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	sub sp, 0x4
+	lsls r0, 24
+	lsrs r4, r0, 24
+	mov r8, r4
+	lsls r1, 24
+	lsrs r6, r1, 24
+	lsls r2, 24
+	lsrs r7, r2, 24
+	ldr r5, =0x02038c08
+	ldrb r0, [r5]
+	ldrb r1, [r5, 0x4]
+	ldrb r2, [r5, 0x8]
+	mov r3, sp
+	bl TryGetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	cmp r0, 0
+	beq _08155C08
+	adds r0, r4, 0
+	bl FieldEffectActiveListRemove
+	movs r0, 0x40
+	b _08155C74
+	.pool
+_08155C08:
+	ldr r1, =gFieldEffectObjectTemplatePointers
+	lsls r0, r6, 2
+	adds r0, r1
+	ldr r0, [r0]
+	movs r1, 0
+	movs r2, 0
+	movs r3, 0
+	bl AddObjectToBack
+	mov r1, sp
+	strb r0, [r1]
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0x40
+	beq _08155C70
+	mov r0, sp
+	ldrb r0, [r0]
+	lsls r2, r0, 4
+	adds r2, r0
+	lsls r2, 2
+	ldr r0, =0x02020630
+	adds r2, r0
+	movs r0, 0x3E
+	adds r0, r2
+	mov r12, r0
+	ldrb r3, [r0]
+	lsls r1, r3, 30
+	lsrs r1, 31
+	adds r1, 0x1
+	movs r0, 0x1
+	ands r1, r0
+	lsls r1, 1
+	movs r0, 0x3
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r1
+	mov r1, r12
+	strb r0, [r1]
+	lsls r3, r7, 4
+	ldrb r1, [r2, 0x5]
+	movs r0, 0xF
+	ands r0, r1
+	orrs r0, r3
+	strb r0, [r2, 0x5]
+	mov r0, r8
+	strh r0, [r2, 0x30]
+	ldr r0, [r5]
+	strh r0, [r2, 0x32]
+	ldr r0, [r5, 0x4]
+	strh r0, [r2, 0x34]
+	ldr r0, [r5, 0x8]
+	strh r0, [r2, 0x36]
+_08155C70:
+	mov r0, sp
+	ldrb r0, [r0]
+_08155C74:
+	add sp, 0x4
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end ShowDisguiseFieldEffect
+
+	thumb_func_start sub_8155C88
+sub_8155C88: @ 8155C88
+	push {r4,r5,lr}
+	sub sp, 0x4
+	adds r5, r0, 0
+	ldrh r0, [r5, 0x32]
+	lsls r0, 24
+	lsrs r0, 24
+	ldrh r1, [r5, 0x34]
+	lsls r1, 24
+	lsrs r1, 24
+	ldrh r2, [r5, 0x36]
+	lsls r2, 24
+	lsrs r2, 24
+	mov r3, sp
+	bl TryGetFieldObjectIdByLocalIdAndMap
+	lsls r0, 24
+	cmp r0, 0
+	beq _08155CB8
+	ldrh r1, [r5, 0x30]
+	lsls r1, 24
+	lsrs r1, 24
+	adds r0, r5, 0
+	bl FieldEffectStop
+_08155CB8:
+	ldr r4, =0x02037350
+	mov r0, sp
+	ldrb r1, [r0]
+	lsls r0, r1, 3
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r4
+	ldrb r0, [r0, 0x5]
+	bl GetFieldObjectGraphicsInfo
+	mov r1, sp
+	ldrb r2, [r1]
+	lsls r1, r2, 3
+	adds r1, r2
+	lsls r1, 2
+	adds r1, r4
+	ldrb r1, [r1, 0x4]
+	lsls r2, r1, 4
+	adds r2, r1
+	lsls r2, 2
+	ldr r1, =0x02020630
+	adds r2, r1
+	adds r1, r2, 0
+	adds r1, 0x3E
+	ldrb r1, [r1]
+	movs r3, 0x3E
+	adds r3, r5
+	mov r12, r3
+	movs r3, 0x4
+	ands r3, r1
+	mov r1, r12
+	ldrb r4, [r1]
+	movs r1, 0x5
+	negs r1, r1
+	ands r1, r4
+	orrs r1, r3
+	mov r3, r12
+	strb r1, [r3]
+	ldrh r1, [r2, 0x20]
+	strh r1, [r5, 0x20]
+	ldrh r0, [r0, 0xA]
+	lsls r0, 16
+	asrs r0, 17
+	ldrh r1, [r2, 0x22]
+	adds r0, r1
+	subs r0, 0x10
+	strh r0, [r5, 0x22]
+	adds r2, 0x43
+	ldrb r0, [r2]
+	subs r0, 0x1
+	adds r1, r5, 0
+	adds r1, 0x43
+	strb r0, [r1]
+	ldrh r1, [r5, 0x2E]
+	movs r2, 0x2E
+	ldrsh r0, [r5, r2]
+	cmp r0, 0x1
+	bne _08155D38
+	adds r0, r1, 0x1
+	strh r0, [r5, 0x2E]
+	adds r0, r5, 0
+	movs r1, 0x1
+	bl StartObjectImageAnim
+_08155D38:
+	movs r3, 0x2E
+	ldrsh r0, [r5, r3]
+	ldrh r2, [r5, 0x2E]
+	cmp r0, 0x2
+	bne _08155D54
+	adds r0, r5, 0
+	adds r0, 0x3F
+	ldrb r1, [r0]
+	movs r0, 0x10
+	ands r0, r1
+	cmp r0, 0
+	beq _08155D54
+	movs r0, 0x1
+	strh r0, [r5, 0x3C]
+_08155D54:
+	lsls r0, r2, 16
+	asrs r0, 16
+	cmp r0, 0x3
+	bne _08155D68
+	ldrh r1, [r5, 0x30]
+	lsls r1, 24
+	lsrs r1, 24
+	adds r0, r5, 0
+	bl FieldEffectStop
+_08155D68:
+	add sp, 0x4
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_8155C88
+
+	thumb_func_start sub_8155D78
+sub_8155D78: @ 8155D78
+	push {lr}
+	adds r1, r0, 0
+	adds r0, 0x21
+	ldrb r0, [r0]
+	cmp r0, 0x1
+	bne _08155D96
+	ldr r2, =0x02020630
+	ldrb r1, [r1, 0x1A]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	adds r0, r2
+	ldrh r1, [r0, 0x2E]
+	adds r1, 0x1
+	strh r1, [r0, 0x2E]
+_08155D96:
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_8155D78
+
+	thumb_func_start sub_8155DA0
+sub_8155DA0: @ 8155DA0
+	push {lr}
+	adds r2, r0, 0
+	adds r2, 0x21
+	ldrb r1, [r2]
+	cmp r1, 0x2
+	beq _08155DD6
+	cmp r1, 0
+	beq _08155DD6
+	ldrb r1, [r0, 0x1A]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02020630
+	adds r1, r0, r1
+	movs r3, 0x3C
+	ldrsh r0, [r1, r3]
+	cmp r0, 0
+	bne _08155DCC
+	movs r0, 0
+	b _08155DD8
+	.pool
+_08155DCC:
+	movs r0, 0x2
+	strb r0, [r2]
+	ldrh r0, [r1, 0x2E]
+	adds r0, 0x1
+	strh r0, [r1, 0x2E]
+_08155DD6:
+	movs r0, 0x1
+_08155DD8:
+	pop {r1}
+	bx r1
+	thumb_func_end sub_8155DA0
+
+	thumb_func_start sub_8155DDC
+sub_8155DDC: @ 8155DDC
+	push {r4,lr}
+	ldr r4, =0x02038c08
+	ldr r0, [r4]
+	adds r0, 0x7
+	str r0, [r4]
+	ldr r0, [r4, 0x4]
+	adds r0, 0x7
+	str r0, [r4, 0x4]
+	adds r1, r4, 0x4
+	adds r0, r4, 0
+	movs r2, 0x8
+	movs r3, 0x8
+	bl sub_80930E0
+	ldr r0, =gFieldEffectObjectTemplatePointers
+	adds r0, 0x8C
+	ldr r0, [r0]
+	movs r2, 0
+	ldrsh r1, [r4, r2]
+	movs r3, 0x4
+	ldrsh r2, [r4, r3]
+	movs r3, 0x52
+	bl AddObjectToBack
+	lsls r0, 24
+	lsrs r2, r0, 24
+	cmp r2, 0x40
+	beq _08155E3C
+	ldr r0, =0x02020630
+	lsls r1, r2, 4
+	adds r1, r2
+	lsls r1, 2
+	adds r1, r0
+	movs r0, 0x3
+	ldrb r2, [r4, 0x8]
+	ands r2, r0
+	lsls r2, 2
+	ldrb r3, [r1, 0x5]
+	movs r0, 0xD
+	negs r0, r0
+	ands r0, r3
+	orrs r0, r2
+	strb r0, [r1, 0x5]
+	adds r1, 0x3E
+	ldrb r0, [r1]
+	movs r2, 0x2
+	orrs r0, r2
+	strb r0, [r1]
+_08155E3C:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end sub_8155DDC
+
+	thumb_func_start sub_8155E50
+sub_8155E50: @ 8155E50
+	push {lr}
+	adds r2, r0, 0
+	movs r1, 0x2E
+	ldrsh r0, [r2, r1]
+	cmp r0, 0
+	bne _08155E84
+	adds r0, r2, 0
+	adds r0, 0x3F
+	ldrb r1, [r0]
+	movs r0, 0x10
+	ands r0, r1
+	cmp r0, 0
+	beq _08155E7C
+	adds r3, r2, 0
+	adds r3, 0x3E
+	ldrb r0, [r3]
+	movs r1, 0x4
+	orrs r0, r1
+	strb r0, [r3]
+	ldrh r0, [r2, 0x2E]
+	adds r0, 0x1
+	strh r0, [r2, 0x2E]
+_08155E7C:
+	movs r1, 0x2E
+	ldrsh r0, [r2, r1]
+	cmp r0, 0
+	beq _08155E9A
+_08155E84:
+	ldrh r0, [r2, 0x30]
+	adds r0, 0x1
+	strh r0, [r2, 0x30]
+	lsls r0, 16
+	asrs r0, 16
+	cmp r0, 0x22
+	ble _08155E9A
+	adds r0, r2, 0
+	movs r1, 0x36
+	bl FieldEffectStop
+_08155E9A:
+	pop {r0}
+	bx r0
+	thumb_func_end sub_8155E50
+
+	thumb_func_start sub_8155EA0
+sub_8155EA0: @ 8155EA0
+	movs r1, 0
+	strh r1, [r0, 0x3A]
+	strh r1, [r0, 0x3C]
+	bx lr
+	thumb_func_end sub_8155EA0
+
+	thumb_func_start sub_8155EA8
+sub_8155EA8: @ 8155EA8
+	push {r4-r6,lr}
+	adds r5, r0, 0
+	movs r6, 0
+	movs r1, 0x3C
+	ldrsh r0, [r5, r1]
+	cmp r0, 0x1
+	beq _08155EDE
+	cmp r0, 0x1
+	bgt _08155EC0
+	cmp r0, 0
+	beq _08155ECA
+	b _08155F42
+_08155EC0:
+	cmp r0, 0x2
+	beq _08155F06
+	cmp r0, 0x3
+	beq _08155F1A
+	b _08155F42
+_08155ECA:
+	movs r2, 0x3A
+	ldrsh r0, [r5, r2]
+	bl sub_809773C
+	ldrh r1, [r5, 0x24]
+	adds r0, r1
+	strh r0, [r5, 0x24]
+	movs r2, 0x3A
+	ldrsh r0, [r5, r2]
+	b _08155F38
+_08155EDE:
+	ldrh r0, [r5, 0x3A]
+	movs r4, 0x47
+	subs r0, r4, r0
+	lsls r0, 16
+	asrs r0, 16
+	bl sub_809773C
+	ldrh r1, [r5, 0x24]
+	subs r1, r0
+	strh r1, [r5, 0x24]
+	ldrh r0, [r5, 0x3A]
+	subs r4, r0
+	lsls r4, 16
+	asrs r4, 16
+	adds r0, r4, 0
+	bl sub_8097728
+	ldrh r2, [r5, 0x26]
+	adds r0, r2
+	b _08155F40
+_08155F06:
+	movs r1, 0x3A
+	ldrsh r0, [r5, r1]
+	bl sub_809773C
+	ldrh r1, [r5, 0x24]
+	subs r1, r0
+	strh r1, [r5, 0x24]
+	movs r2, 0x3A
+	ldrsh r0, [r5, r2]
+	b _08155F38
+_08155F1A:
+	ldrh r0, [r5, 0x3A]
+	movs r4, 0x47
+	subs r0, r4, r0
+	lsls r0, 16
+	asrs r0, 16
+	bl sub_809773C
+	ldrh r2, [r5, 0x24]
+	adds r0, r2
+	strh r0, [r5, 0x24]
+	ldrh r0, [r5, 0x3A]
+	subs r4, r0
+	lsls r4, 16
+	asrs r4, 16
+	adds r0, r4, 0
+_08155F38:
+	bl sub_8097728
+	ldrh r1, [r5, 0x26]
+	adds r0, r1
+_08155F40:
+	strh r0, [r5, 0x26]
+_08155F42:
+	ldrh r1, [r5, 0x24]
+	negs r1, r1
+	lsls r1, 16
+	lsrs r1, 16
+	movs r0, 0x10
+	bl SetGpuReg
+	ldrh r0, [r5, 0x3A]
+	adds r0, 0x1
+	movs r1, 0
+	strh r0, [r5, 0x3A]
+	lsls r0, 16
+	asrs r0, 16
+	cmp r0, 0x48
+	bne _08155F68
+	strh r1, [r5, 0x3A]
+	ldrh r0, [r5, 0x3C]
+	adds r0, 0x1
+	strh r0, [r5, 0x3C]
+_08155F68:
+	movs r2, 0x3C
+	ldrsh r0, [r5, r2]
+	cmp r0, 0x4
+	bne _08155F76
+	strh r1, [r5, 0x26]
+	strh r1, [r5, 0x24]
+	movs r6, 0x1
+_08155F76:
+	adds r0, r6, 0
+	pop {r4-r6}
+	pop {r1}
+	bx r1
+	thumb_func_end sub_8155EA8
+
+	thumb_func_start sub_8155F80
+sub_8155F80: @ 8155F80
+	push {r4-r7,lr}
+	adds r5, r0, 0
+	movs r1, 0x32
+	ldrsh r0, [r5, r1]
+	cmp r0, 0x8
+	bls _08155F8E
+	b _08156156
+_08155F8E:
+	lsls r0, 2
+	ldr r1, =_08155F9C
+	adds r0, r1
+	ldr r0, [r0]
+	mov pc, r0
+	.pool
+	.align 2, 0
+_08155F9C:
+	.4byte _08155FC0
+	.4byte _08156034
+	.4byte _0815606C
+	.4byte _08156090
+	.4byte _081560C0
+	.4byte _081560D4
+	.4byte _081560E0
+	.4byte _0815610E
+	.4byte _08156120
+_08155FC0:
+	movs r2, 0x2E
+	ldrsh r0, [r5, r2]
+	movs r1, 0x3
+	bl __divsi3
+	movs r1, 0x78
+	subs r1, r0
+	lsls r1, 16
+	lsrs r1, 16
+	movs r0, 0x12
+	bl SetGpuReg
+	movs r3, 0x2E
+	ldrsh r0, [r5, r3]
+	cmp r0, 0x60
+	bne _08156016
+	movs r1, 0
+	ldr r4, =0x0600f800
+	mov r12, r4
+	ldr r0, =0x0000bff4
+	adds r7, r0, 0
+_08155FEA:
+	movs r2, 0xC
+	lsls r0, r1, 1
+	adds r3, r1, 0x1
+	lsls r6, r1, 5
+	adds r0, r1
+	lsls r4, r0, 1
+_08155FF6:
+	adds r0, r6, r2
+	lsls r0, 1
+	add r0, r12
+	adds r1, r2, r7
+	adds r1, r4, r1
+	adds r1, 0x1
+	strh r1, [r0]
+	adds r0, r2, 0x1
+	lsls r0, 24
+	lsrs r2, r0, 24
+	cmp r2, 0x11
+	bls _08155FF6
+	lsls r0, r3, 24
+	lsrs r1, r0, 24
+	cmp r1, 0x2
+	bls _08155FEA
+_08156016:
+	movs r2, 0x2E
+	ldrsh r1, [r5, r2]
+	ldr r0, =0x00000137
+	cmp r1, r0
+	bgt _08156022
+	b _08156156
+_08156022:
+	movs r1, 0
+	movs r0, 0x1
+	b _0815611A
+	.pool
+_08156034:
+	ldr r4, =gUnknown_08329F40
+	movs r3, 0x2E
+	ldrsh r0, [r5, r3]
+	movs r1, 0x3
+	bl __divsi3
+	lsls r0, 16
+	asrs r0, 15
+	adds r0, r4
+	ldrh r0, [r0]
+	lsls r0, 16
+	asrs r0, 18
+	ldrh r4, [r5, 0x36]
+	adds r0, r4
+	movs r1, 0
+	strh r0, [r5, 0x22]
+	movs r2, 0x2E
+	ldrsh r0, [r5, r2]
+	cmp r0, 0xBD
+	bne _08156156
+	movs r0, 0x2
+	strh r0, [r5, 0x32]
+	strh r1, [r5, 0x38]
+	strh r1, [r5, 0x2E]
+	b _08156156
+	.pool
+_0815606C:
+	movs r3, 0x2E
+	ldrsh r0, [r5, r3]
+	cmp r0, 0x3C
+	bne _0815607E
+	ldrh r0, [r5, 0x38]
+	adds r0, 0x1
+	movs r1, 0
+	strh r0, [r5, 0x38]
+	strh r1, [r5, 0x2E]
+_0815607E:
+	movs r4, 0x38
+	ldrsh r0, [r5, r4]
+	cmp r0, 0x7
+	bne _08156156
+	movs r0, 0
+	strh r0, [r5, 0x38]
+	movs r0, 0x3
+	strh r0, [r5, 0x32]
+	b _08156156
+_08156090:
+	ldrh r2, [r5, 0x26]
+	movs r0, 0x26
+	ldrsh r1, [r5, r0]
+	adds r3, r2, 0
+	cmp r1, 0
+	bne _081560A4
+	strh r1, [r5, 0x2E]
+	ldrh r0, [r5, 0x32]
+	adds r0, 0x1
+	strh r0, [r5, 0x32]
+_081560A4:
+	movs r4, 0x2E
+	ldrsh r0, [r5, r4]
+	cmp r0, 0x5
+	bne _08156156
+	movs r0, 0
+	strh r0, [r5, 0x2E]
+	cmp r1, 0
+	ble _081560BA
+	subs r0, r3, 0x1
+	strh r0, [r5, 0x26]
+	b _08156156
+_081560BA:
+	adds r0, r2, 0x1
+	strh r0, [r5, 0x26]
+	b _08156156
+_081560C0:
+	movs r1, 0x2E
+	ldrsh r0, [r5, r1]
+	cmp r0, 0x3C
+	bne _08156156
+	movs r1, 0
+	movs r0, 0x5
+	strh r0, [r5, 0x32]
+	strh r1, [r5, 0x2E]
+	strh r1, [r5, 0x38]
+	b _08156156
+_081560D4:
+	adds r0, r5, 0
+	bl sub_8155EA0
+	movs r1, 0
+	movs r0, 0x6
+	b _0815611A
+_081560E0:
+	adds r0, r5, 0
+	bl sub_8155EA8
+	lsls r0, 24
+	cmp r0, 0
+	beq _08156156
+	movs r1, 0
+	strh r1, [r5, 0x2E]
+	ldrh r0, [r5, 0x38]
+	adds r0, 0x1
+	strh r0, [r5, 0x38]
+	lsls r0, 16
+	asrs r0, 16
+	cmp r0, 0x2
+	bgt _08156106
+	adds r0, r5, 0
+	bl sub_8155EA0
+	b _08156156
+_08156106:
+	strh r1, [r5, 0x38]
+	movs r0, 0x7
+	strh r0, [r5, 0x32]
+	b _08156156
+_0815610E:
+	movs r2, 0x2E
+	ldrsh r0, [r5, r2]
+	cmp r0, 0x1E
+	bne _08156156
+	movs r1, 0
+	movs r0, 0x8
+_0815611A:
+	strh r0, [r5, 0x32]
+	strh r1, [r5, 0x2E]
+	b _08156156
+_08156120:
+	movs r1, 0
+	ldr r6, =0x0600f800
+	movs r4, 0
+_08156126:
+	movs r2, 0xC
+	adds r3, r1, 0x1
+	lsls r1, 5
+_0815612C:
+	adds r0, r1, r2
+	lsls r0, 1
+	adds r0, r6
+	strh r4, [r0]
+	adds r0, r2, 0x1
+	lsls r0, 24
+	lsrs r2, r0, 24
+	cmp r2, 0x11
+	bls _0815612C
+	lsls r0, r3, 24
+	lsrs r1, r0, 24
+	cmp r1, 0xE
+	bls _08156126
+	movs r0, 0x12
+	movs r1, 0
+	bl SetGpuReg
+	adds r0, r5, 0
+	movs r1, 0x40
+	bl FieldEffectStop
+_08156156:
+	movs r3, 0x32
+	ldrsh r0, [r5, r3]
+	cmp r0, 0x1
+	bne _08156184
+	ldrh r1, [r5, 0x30]
+	movs r0, 0x7
+	ands r0, r1
+	adds r2, r1, 0
+	cmp r0, 0
+	bne _08156172
+	ldrh r0, [r5, 0x34]
+	ldrh r4, [r5, 0x26]
+	adds r0, r4
+	strh r0, [r5, 0x26]
+_08156172:
+	movs r0, 0xF
+	ands r0, r2
+	cmp r0, 0
+	bne _08156180
+	ldrh r0, [r5, 0x34]
+	negs r0, r0
+	strh r0, [r5, 0x34]
+_08156180:
+	adds r0, r1, 0x1
+	strh r0, [r5, 0x30]
+_08156184:
+	ldrh r0, [r5, 0x2E]
+	adds r0, 0x1
+	strh r0, [r5, 0x2E]
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end sub_8155F80
+
+	thumb_func_start sub_8156194
+sub_8156194: @ 8156194
+	push {r4,lr}
+	adds r4, r0, 0
+	adds r0, 0x3F
+	ldrb r1, [r0]
+	movs r0, 0x10
+	ands r0, r1
+	cmp r0, 0
+	beq _081561B2
+	ldrh r1, [r4, 0x30]
+	lsls r1, 24
+	lsrs r1, 24
+	adds r0, r4, 0
+	bl FieldEffectStop
+	b _081561C8
+_081561B2:
+	adds r0, r4, 0
+	movs r1, 0
+	bl sub_80979D4
+	ldrh r0, [r4, 0x2E]
+	lsls r0, 24
+	lsrs r0, 24
+	adds r1, r4, 0
+	movs r2, 0
+	bl SetObjectSubpriorityByZCoord
+_081561C8:
+	pop {r4}
+	pop {r0}
+	bx r0
+	thumb_func_end sub_8156194
+
+	thumb_func_start sub_81561D0
+sub_81561D0: @ 81561D0
+	push {lr}
+	adds r2, r0, 0
+	adds r0, 0x3F
+	ldrb r1, [r0]
+	movs r0, 0x10
+	ands r0, r1
+	cmp r0, 0
+	beq _081561EE
+	ldrh r1, [r2, 0x2E]
+	lsls r1, 24
+	lsrs r1, 24
+	adds r0, r2, 0
+	bl FieldEffectStop
+	b _081561F6
+_081561EE:
+	adds r0, r2, 0
+	movs r1, 0
+	bl sub_80979D4
+_081561F6:
+	pop {r0}
+	bx r0
+	thumb_func_end sub_81561D0
+
+	thumb_func_start sub_81561FC
+sub_81561FC: @ 81561FC
+	push {r4-r7,lr}
+	adds r6, r0, 0
+	adds r0, r1, 0
+	lsls r0, 24
+	lsrs r0, 24
+	lsls r2, 24
+	lsrs r2, 24
+	adds r1, r6, 0
+	bl SetObjectSubpriorityByZCoord
+	movs r7, 0
+_08156212:
+	lsls r0, r7, 3
+	adds r0, r7
+	lsls r0, 2
+	ldr r1, =0x02037350
+	adds r4, r0, r1
+	ldrb r0, [r4]
+	lsls r0, 31
+	cmp r0, 0
+	beq _081562B4
+	ldrb r0, [r4, 0x5]
+	bl GetFieldObjectGraphicsInfo
+	ldrb r1, [r4, 0x4]
+	lsls r0, r1, 4
+	adds r0, r1
+	lsls r0, 2
+	ldr r1, =0x02020630
+	adds r5, r0, r1
+	adds r0, r6, 0
+	adds r0, 0x28
+	movs r2, 0
+	ldrsb r2, [r0, r2]
+	ldrh r0, [r6, 0x20]
+	adds r1, r0, r2
+	subs r0, r2
+	lsls r0, 16
+	lsrs r4, r0, 16
+	lsls r1, 16
+	asrs r1, 16
+	movs r0, 0x20
+	ldrsh r2, [r5, r0]
+	cmp r1, r2
+	bge _081562B4
+	lsls r0, r4, 16
+	asrs r0, 16
+	cmp r0, r2
+	ble _081562B4
+	adds r0, r5, 0
+	adds r0, 0x29
+	movs r3, 0
+	ldrsb r3, [r0, r3]
+	ldrh r2, [r5, 0x22]
+	adds r2, r3
+	ldrh r4, [r5, 0x22]
+	adds r0, r6, 0
+	adds r0, 0x29
+	movs r1, 0
+	ldrsb r1, [r0, r1]
+	ldrh r0, [r6, 0x22]
+	subs r0, r1
+	lsls r0, 16
+	asrs r0, 16
+	adds r3, r0, r3
+	lsls r2, 16
+	asrs r2, 16
+	lsls r3, 16
+	asrs r3, 16
+	cmp r2, r3
+	blt _0815628C
+	cmp r2, r0
+	bge _081562B4
+_0815628C:
+	lsls r0, r4, 16
+	asrs r0, 16
+	cmp r0, r3
+	ble _081562B4
+	adds r2, r6, 0
+	adds r2, 0x43
+	adds r0, r5, 0
+	adds r0, 0x43
+	ldrb r1, [r0]
+	ldrb r0, [r2]
+	cmp r0, r1
+	bhi _081562B4
+	adds r0, r1, 0x2
+	strb r0, [r2]
+	b _081562BE
+	.pool
+_081562B4:
+	adds r0, r7, 0x1
+	lsls r0, 24
+	lsrs r7, r0, 24
+	cmp r7, 0xF
+	bls _08156212
+_081562BE:
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	thumb_func_end sub_81561FC
+
+	.align 2, 0 @ Don't pad with nop.