diff --git a/asm/link.s b/asm/link.s
index fa780fa1c..a3d621601 100644
--- a/asm/link.s
+++ b/asm/link.s
@@ -31433,7 +31433,7 @@ _08019B84:
 	b _08019B9C
 _08019B96:
 	adds r0, r4, 0
-	bl sub_8097404
+	bl FreezeMapObject
 _08019B9C:
 	movs r0, 0x1
 _08019B9E:
diff --git a/asm/map_obj_8097404.s b/asm/map_obj_8097404.s
deleted file mode 100644
index 4a6ae9945..000000000
--- a/asm/map_obj_8097404.s
+++ /dev/null
@@ -1,1861 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start sub_8097404
-@ bool8 sub_8097404(struct npc_state *fieldObject)
-sub_8097404: @ 8097404
-	push {r4,r5,lr}
-	adds r5, r0, 0
-	ldrh r1, [r5]
-	movs r0, 0xA0
-	lsls r0, 1
-	ands r0, r1
-	cmp r0, 0
-	bne _0809748C
-	ldrb r0, [r5, 0x1]
-	movs r4, 0x1
-	orrs r0, r4
-	strb r0, [r5, 0x1]
-	ldr r3, =gSprites
-	ldrb r1, [r5, 0x4]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r3
-	adds r0, 0x2C
-	ldrb r1, [r0]
-	lsls r1, 25
-	lsrs r1, 31
-	lsls r1, 7
-	ldrb r2, [r5, 0x2]
-	movs r0, 0x7F
-	ands r0, r2
-	orrs r0, r1
-	strb r0, [r5, 0x2]
-	ldrb r1, [r5, 0x4]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r3
-	adds r0, 0x2C
-	ldrb r1, [r0]
-	lsrs r1, 7
-	ands r1, r4
-	ldrb r2, [r5, 0x3]
-	movs r0, 0x2
-	negs r0, r0
-	ands r0, r2
-	orrs r0, r1
-	strb r0, [r5, 0x3]
-	ldrb r1, [r5, 0x4]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r3
-	adds r0, 0x2C
-	ldrb r1, [r0]
-	movs r2, 0x40
-	orrs r1, r2
-	strb r1, [r0]
-	ldrb r1, [r5, 0x4]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r3
-	adds r0, 0x2C
-	ldrb r1, [r0]
-	movs r2, 0x80
-	orrs r1, r2
-	strb r1, [r0]
-	movs r0, 0
-	b _0809748E
-	.pool
-_0809748C:
-	movs r0, 0x1
-_0809748E:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8097404
-
-	thumb_func_start FreezeMapObjects
-@ void FreezeMapObjects()
-FreezeMapObjects: @ 8097494
-	push {r4,r5,lr}
-	movs r4, 0
-	ldr r5, =gMapObjects
-_0809749A:
-	lsls r0, r4, 3
-	adds r0, r4
-	lsls r0, 2
-	adds r1, r0, r5
-	ldrb r0, [r1]
-	lsls r0, 31
-	cmp r0, 0
-	beq _080974B8
-	ldr r0, =gPlayerAvatar
-	ldrb r0, [r0, 0x5]
-	cmp r4, r0
-	beq _080974B8
-	adds r0, r1, 0
-	bl sub_8097404
-_080974B8:
-	adds r0, r4, 0x1
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0xF
-	bls _0809749A
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end FreezeMapObjects
-
-	thumb_func_start sub_80974D0
-sub_80974D0: @ 80974D0
-	push {r4-r6,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	movs r4, 0
-	ldr r6, =gMapObjects
-_080974DA:
-	cmp r4, r5
-	beq _080974FC
-	lsls r0, r4, 3
-	adds r0, r4
-	lsls r0, 2
-	adds r1, r0, r6
-	ldrb r0, [r1]
-	lsls r0, 31
-	cmp r0, 0
-	beq _080974FC
-	ldr r0, =gPlayerAvatar
-	ldrb r0, [r0, 0x5]
-	cmp r4, r0
-	beq _080974FC
-	adds r0, r1, 0
-	bl sub_8097404
-_080974FC:
-	adds r0, r4, 0x1
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0xF
-	bls _080974DA
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_80974D0
-
-	thumb_func_start npc_sync_anim_pause_bits
-@ void npc_sync_anim_pause_bits(struct npc_state *fieldObject)
-npc_sync_anim_pause_bits: @ 8097514
-	push {r4,r5,lr}
-	adds r5, r0, 0
-	ldrh r2, [r5]
-	ldr r1, =0x00000101
-	adds r0, r1, 0
-	ands r0, r2
-	cmp r0, r1
-	bne _0809756C
-	ldrb r1, [r5, 0x1]
-	movs r0, 0x2
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r5, 0x1]
-	ldr r4, =gSprites
-	ldrb r0, [r5, 0x4]
-	lsls r1, r0, 4
-	adds r1, r0
-	lsls r1, 2
-	adds r1, r4
-	ldrb r2, [r5, 0x2]
-	adds r1, 0x2C
-	lsrs r2, 7
-	lsls r2, 6
-	ldrb r3, [r1]
-	movs r0, 0x41
-	negs r0, r0
-	ands r0, r3
-	orrs r0, r2
-	strb r0, [r1]
-	ldrb r0, [r5, 0x4]
-	lsls r2, r0, 4
-	adds r2, r0
-	lsls r2, 2
-	adds r2, r4
-	ldrb r1, [r5, 0x3]
-	lsls r1, 31
-	lsrs r1, 31
-	adds r2, 0x2C
-	lsls r1, 7
-	ldrb r3, [r2]
-	movs r0, 0x7F
-	ands r0, r3
-	orrs r0, r1
-	strb r0, [r2]
-_0809756C:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end npc_sync_anim_pause_bits
-
-	thumb_func_start UnfreezeMapObjects
-UnfreezeMapObjects: @ 809757C
-	push {r4,r5,lr}
-	movs r4, 0
-	ldr r5, =gMapObjects
-_08097582:
-	lsls r0, r4, 3
-	adds r0, r4
-	lsls r0, 2
-	adds r1, r0, r5
-	ldrb r0, [r1]
-	lsls r0, 31
-	cmp r0, 0
-	beq _08097598
-	adds r0, r1, 0
-	bl npc_sync_anim_pause_bits
-_08097598:
-	adds r0, r4, 0x1
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0xF
-	bls _08097582
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end UnfreezeMapObjects
-
-	thumb_func_start little_step
-@ void little_step(struct obj *object, u8 direction)
-little_step: @ 80975AC
-	lsls r1, 24
-	ldr r2, =gUnknown_0850DB7C
-	lsrs r1, 22
-	adds r1, r2
-	ldrh r2, [r1]
-	ldrh r3, [r0, 0x20]
-	adds r2, r3
-	strh r2, [r0, 0x20]
-	ldrh r1, [r1, 0x2]
-	ldrh r2, [r0, 0x22]
-	adds r1, r2
-	strh r1, [r0, 0x22]
-	bx lr
-	.pool
-	thumb_func_end little_step
-
-	thumb_func_start double_little_steps
-double_little_steps: @ 80975CC
-	lsls r1, 24
-	ldr r2, =gUnknown_0850DB7C
-	lsrs r1, 22
-	adds r1, r2
-	ldrh r2, [r1]
-	lsls r2, 1
-	ldrh r3, [r0, 0x20]
-	adds r2, r3
-	strh r2, [r0, 0x20]
-	ldrh r1, [r1, 0x2]
-	lsls r1, 1
-	ldrh r2, [r0, 0x22]
-	adds r1, r2
-	strh r1, [r0, 0x22]
-	bx lr
-	.pool
-	thumb_func_end double_little_steps
-
-	thumb_func_start triple_little_steps
-triple_little_steps: @ 80975F0
-	lsls r1, 24
-	ldr r2, =gUnknown_0850DB7C
-	lsrs r1, 22
-	adds r1, r2
-	ldrh r2, [r1]
-	lsls r3, r2, 1
-	adds r2, r3
-	ldrh r3, [r0, 0x20]
-	adds r2, r3
-	strh r2, [r0, 0x20]
-	ldrh r1, [r1, 0x2]
-	lsls r2, r1, 1
-	adds r1, r2
-	ldrh r2, [r0, 0x22]
-	adds r1, r2
-	strh r1, [r0, 0x22]
-	bx lr
-	.pool
-	thumb_func_end triple_little_steps
-
-	thumb_func_start quad_little_steps
-quad_little_steps: @ 8097618
-	lsls r1, 24
-	ldr r2, =gUnknown_0850DB7C
-	lsrs r1, 22
-	adds r1, r2
-	ldrh r2, [r1]
-	lsls r2, 2
-	ldrh r3, [r0, 0x20]
-	adds r2, r3
-	strh r2, [r0, 0x20]
-	ldrh r1, [r1, 0x2]
-	lsls r1, 2
-	ldrh r2, [r0, 0x22]
-	adds r1, r2
-	strh r1, [r0, 0x22]
-	bx lr
-	.pool
-	thumb_func_end quad_little_steps
-
-	thumb_func_start oct_little_steps
-@ void oct_little_steps(struct obj *object, u8 direction)
-oct_little_steps: @ 809763C
-	lsls r1, 24
-	ldr r2, =gUnknown_0850DB7C
-	lsrs r1, 22
-	adds r1, r2
-	ldrh r2, [r1]
-	lsls r2, 3
-	ldrh r3, [r0, 0x20]
-	adds r2, r3
-	strh r2, [r0, 0x20]
-	ldrh r1, [r1, 0x2]
-	lsls r1, 3
-	ldrh r2, [r0, 0x22]
-	adds r1, r2
-	strh r1, [r0, 0x22]
-	bx lr
-	.pool
-	thumb_func_end oct_little_steps
-
-	thumb_func_start oamt_npc_ministep_reset
-@ void oamt_npc_ministep_reset(struct obj *object, u8 direction, u8 speed)
-oamt_npc_ministep_reset: @ 8097660
-	lsls r1, 24
-	lsrs r1, 24
-	lsls r2, 24
-	lsrs r2, 24
-	movs r3, 0
-	strh r1, [r0, 0x34]
-	strh r2, [r0, 0x36]
-	strh r3, [r0, 0x38]
-	bx lr
-	thumb_func_end oamt_npc_ministep_reset
-
-	thumb_func_start obj_npc_ministep
-@ bool8 obj_npc_ministep(struct obj *object)
-obj_npc_ministep: @ 8097674
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	ldr r5, =gUnknown_0850E768
-	movs r0, 0x36
-	ldrsh r2, [r4, r0]
-	lsls r0, r2, 1
-	adds r0, r5
-	movs r3, 0x38
-	ldrsh r1, [r4, r3]
-	movs r3, 0
-	ldrsh r0, [r0, r3]
-	cmp r1, r0
-	bge _080976D4
-	ldr r1, =gUnknown_0850E754
-	lsls r0, r2, 2
-	adds r0, r1
-	movs r1, 0x38
-	ldrsh r2, [r4, r1]
-	ldr r0, [r0]
-	lsls r2, 2
-	adds r2, r0
-	ldrh r1, [r4, 0x34]
-	lsls r1, 24
-	lsrs r1, 24
-	ldr r2, [r2]
-	adds r0, r4, 0
-	bl _call_via_r2
-	ldrh r0, [r4, 0x38]
-	adds r0, 0x1
-	strh r0, [r4, 0x38]
-	movs r2, 0x36
-	ldrsh r1, [r4, r2]
-	lsls r1, 1
-	adds r1, r5
-	lsls r0, 16
-	asrs r0, 16
-	movs r3, 0
-	ldrsh r1, [r1, r3]
-	cmp r0, r1
-	blt _080976D4
-	movs r0, 0x1
-	b _080976D6
-	.pool
-_080976D4:
-	movs r0, 0
-_080976D6:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end obj_npc_ministep
-
-	thumb_func_start sub_80976DC
-@ void sub_80976DC(struct obj *object, u8 direction)
-sub_80976DC: @ 80976DC
-	lsls r1, 24
-	lsrs r1, 24
-	movs r2, 0
-	strh r1, [r0, 0x34]
-	strh r2, [r0, 0x36]
-	strh r2, [r0, 0x38]
-	bx lr
-	thumb_func_end sub_80976DC
-
-	thumb_func_start sub_80976EC
-@ bool8 sub_80976EC(struct obj *object)
-sub_80976EC: @ 80976EC
-	push {r4,lr}
-	adds r4, r0, 0
-	ldrh r1, [r4, 0x36]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	bne _0809770C
-	ldrh r1, [r4, 0x34]
-	lsls r1, 24
-	lsrs r1, 24
-	adds r0, r4, 0
-	bl little_step
-	ldrh r0, [r4, 0x38]
-	adds r0, 0x1
-	strh r0, [r4, 0x38]
-_0809770C:
-	ldrh r0, [r4, 0x36]
-	adds r0, 0x1
-	strh r0, [r4, 0x36]
-	movs r1, 0x38
-	ldrsh r0, [r4, r1]
-	cmp r0, 0xF
-	bgt _0809771E
-	movs r0, 0
-	b _08097720
-_0809771E:
-	movs r0, 0x1
-_08097720:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80976EC
-
-	thumb_func_start sub_8097728
-sub_8097728: @ 8097728
-	ldr r1, =gUnknown_0850E7BA
-	lsls r0, 16
-	asrs r0, 16
-	adds r0, r1
-	ldrb r0, [r0]
-	lsls r0, 24
-	asrs r0, 24
-	bx lr
-	.pool
-	thumb_func_end sub_8097728
-
-	thumb_func_start sub_809773C
-sub_809773C: @ 809773C
-	ldr r1, =gUnknown_0850E772
-	lsls r0, 16
-	asrs r0, 16
-	adds r0, r1
-	ldrb r0, [r0]
-	lsls r0, 24
-	asrs r0, 24
-	bx lr
-	.pool
-	thumb_func_end sub_809773C
-
-	thumb_func_start sub_8097750
-sub_8097750: @ 8097750
-	movs r1, 0
-	strh r1, [r0, 0x3A]
-	strh r1, [r0, 0x3C]
-	bx lr
-	thumb_func_end sub_8097750
-
-	thumb_func_start sub_8097758
-sub_8097758: @ 8097758
-	push {r4-r6,lr}
-	adds r5, r0, 0
-	movs r6, 0
-	movs r1, 0x3C
-	ldrsh r0, [r5, r1]
-	cmp r0, 0x1
-	beq _0809778E
-	cmp r0, 0x1
-	bgt _08097770
-	cmp r0, 0
-	beq _0809777A
-	b _080977F2
-_08097770:
-	cmp r0, 0x2
-	beq _080977B6
-	cmp r0, 0x3
-	beq _080977CA
-	b _080977F2
-_0809777A:
-	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 _080977E8
-_0809778E:
-	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 _080977F0
-_080977B6:
-	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 _080977E8
-_080977CA:
-	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
-_080977E8:
-	bl sub_8097728
-	ldrh r1, [r5, 0x26]
-	adds r0, r1
-_080977F0:
-	strh r0, [r5, 0x26]
-_080977F2:
-	ldrh r0, [r5, 0x3A]
-	adds r0, 0x1
-	movs r1, 0
-	strh r0, [r5, 0x3A]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0x48
-	bne _0809780A
-	strh r1, [r5, 0x3A]
-	ldrh r0, [r5, 0x3C]
-	adds r0, 0x1
-	strh r0, [r5, 0x3C]
-_0809780A:
-	movs r2, 0x3C
-	ldrsh r0, [r5, r2]
-	cmp r0, 0x4
-	bne _08097818
-	strh r1, [r5, 0x26]
-	strh r1, [r5, 0x24]
-	movs r6, 0x1
-_08097818:
-	adds r0, r6, 0
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8097758
-
-	thumb_func_start sub_8097820
-sub_8097820: @ 8097820
-	lsls r1, 24
-	ldr r2, =gUnknown_0850E834
-	lsrs r1, 22
-	adds r1, r2
-	lsls r0, 16
-	asrs r0, 16
-	ldr r1, [r1]
-	adds r1, r0
-	movs r0, 0
-	ldrsb r0, [r1, r0]
-	bx lr
-	.pool
-	thumb_func_end sub_8097820
-
-	thumb_func_start sub_809783C
-sub_809783C: @ 809783C
-	push {r4,lr}
-	lsls r1, 24
-	lsrs r1, 24
-	lsls r2, 24
-	lsrs r2, 24
-	lsls r3, 24
-	lsrs r3, 24
-	movs r4, 0
-	strh r1, [r0, 0x34]
-	strh r2, [r0, 0x36]
-	strh r3, [r0, 0x38]
-	strh r4, [r0, 0x3A]
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_809783C
-
-	thumb_func_start sub_809785C
-sub_809785C: @ 809785C
-	push {r4-r6,lr}
-	sub sp, 0xC
-	adds r4, r0, 0
-	ldr r1, =gUnknown_0850E840
-	mov r0, sp
-	movs r2, 0x6
-	bl memcpy
-	add r5, sp, 0x8
-	ldr r1, =gUnknown_0850E846
-	adds r0, r5, 0
-	movs r2, 0x3
-	bl memcpy
-	movs r6, 0
-	movs r1, 0x36
-	ldrsh r0, [r4, r1]
-	cmp r0, 0
-	beq _0809788E
-	ldrh r1, [r4, 0x34]
-	lsls r1, 24
-	lsrs r1, 24
-	adds r0, r4, 0
-	bl little_step
-_0809788E:
-	movs r2, 0x3A
-	ldrsh r0, [r4, r2]
-	movs r2, 0x36
-	ldrsh r1, [r4, r2]
-	adds r1, r5, r1
-	ldrb r1, [r1]
-	asrs r0, r1
-	ldrh r1, [r4, 0x38]
-	lsls r1, 24
-	lsrs r1, 24
-	bl sub_8097820
-	strh r0, [r4, 0x26]
-	ldrh r1, [r4, 0x3A]
-	adds r1, 0x1
-	strh r1, [r4, 0x3A]
-	movs r2, 0x36
-	ldrsh r0, [r4, r2]
-	lsls r0, 1
-	add r0, sp
-	ldrh r0, [r0]
-	lsls r0, 16
-	asrs r2, r0, 16
-	lsls r1, 16
-	asrs r1, 16
-	asrs r0, 17
-	cmp r1, r0
-	bne _080978C8
-	movs r6, 0x1
-_080978C8:
-	cmp r1, r2
-	blt _080978D2
-	movs r0, 0
-	strh r0, [r4, 0x26]
-	movs r6, 0xFF
-_080978D2:
-	adds r0, r6, 0
-	add sp, 0xC
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_809785C
-
-	thumb_func_start sub_80978E4
-sub_80978E4: @ 80978E4
-	push {r4-r6,lr}
-	sub sp, 0xC
-	adds r5, r0, 0
-	ldr r1, =gUnknown_0850E84A
-	mov r0, sp
-	movs r2, 0x6
-	bl memcpy
-	add r4, sp, 0x8
-	ldr r1, =gUnknown_0850E850
-	adds r0, r4, 0
-	movs r2, 0x3
-	bl memcpy
-	movs r6, 0
-	movs r1, 0x36
-	ldrsh r0, [r5, r1]
-	cmp r0, 0
-	beq _08097920
-	ldrh r1, [r5, 0x3A]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	bne _08097920
-	ldrh r1, [r5, 0x34]
-	lsls r1, 24
-	lsrs r1, 24
-	adds r0, r5, 0
-	bl little_step
-_08097920:
-	movs r2, 0x3A
-	ldrsh r0, [r5, r2]
-	movs r2, 0x36
-	ldrsh r1, [r5, r2]
-	adds r1, r4, r1
-	ldrb r1, [r1]
-	asrs r0, r1
-	ldrh r1, [r5, 0x38]
-	lsls r1, 24
-	lsrs r1, 24
-	bl sub_8097820
-	strh r0, [r5, 0x26]
-	ldrh r1, [r5, 0x3A]
-	adds r1, 0x1
-	strh r1, [r5, 0x3A]
-	movs r2, 0x36
-	ldrsh r0, [r5, r2]
-	lsls r0, 1
-	add r0, sp
-	ldrh r0, [r0]
-	lsls r0, 16
-	asrs r2, r0, 16
-	lsls r1, 16
-	asrs r1, 16
-	asrs r0, 17
-	cmp r1, r0
-	bne _0809795A
-	movs r6, 0x1
-_0809795A:
-	cmp r1, r2
-	blt _08097964
-	movs r0, 0
-	strh r0, [r5, 0x26]
-	movs r6, 0xFF
-_08097964:
-	adds r0, r6, 0
-	add sp, 0xC
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_80978E4
-
-	thumb_func_start SetFieldObjectStepTimer
-@ void SetFieldObjectStepTimer(struct obj *object, u16 a2)
-SetFieldObjectStepTimer: @ 8097978
-	strh r1, [r0, 0x34]
-	bx lr
-	thumb_func_end SetFieldObjectStepTimer
-
-	thumb_func_start RunFieldObjectStepTimer
-@ bool8 RunFieldObjectStepTimer(struct obj *object)
-RunFieldObjectStepTimer: @ 809797C
-	push {lr}
-	ldrh r1, [r0, 0x34]
-	subs r1, 0x1
-	strh r1, [r0, 0x34]
-	lsls r1, 16
-	cmp r1, 0
-	beq _0809798E
-	movs r0, 0
-	b _08097990
-_0809798E:
-	movs r0, 0x1
-_08097990:
-	pop {r1}
-	bx r1
-	thumb_func_end RunFieldObjectStepTimer
-
-	thumb_func_start obj_anim_image_set_and_seek
-obj_anim_image_set_and_seek: @ 8097994
-	push {r4,lr}
-	lsls r2, 24
-	lsrs r2, 24
-	adds r3, r0, 0
-	adds r3, 0x2A
-	strb r1, [r3]
-	adds r4, r0, 0
-	adds r4, 0x2C
-	ldrb r3, [r4]
-	movs r1, 0x41
-	negs r1, r1
-	ands r1, r3
-	strb r1, [r4]
-	adds r1, r2, 0
-	bl SeekSpriteAnim
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end obj_anim_image_set_and_seek
-
-	thumb_func_start sub_80979BC
-sub_80979BC: @ 80979BC
-	push {lr}
-	adds r0, 0x3F
-	ldrb r1, [r0]
-	movs r0, 0x10
-	ands r0, r1
-	cmp r0, 0
-	bne _080979CE
-	movs r0, 0
-	b _080979D0
-_080979CE:
-	movs r0, 0x1
-_080979D0:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80979BC
-
-	thumb_func_start sub_80979D4
-sub_80979D4: @ 80979D4
-	push {r4-r6,lr}
-	mov r12, r0
-	lsls r1, 24
-	lsrs r1, 24
-	mov r3, r12
-	adds r3, 0x3E
-	movs r0, 0x1
-	ands r1, r0
-	lsls r1, 2
-	ldrb r2, [r3]
-	movs r0, 0x5
-	negs r0, r0
-	ands r0, r2
-	orrs r0, r1
-	strb r0, [r3]
-	movs r1, 0x2
-	ands r0, r1
-	cmp r0, 0
-	beq _08097A3C
-	mov r0, r12
-	ldrh r1, [r0, 0x24]
-	ldrh r2, [r0, 0x20]
-	adds r1, r2
-	mov r4, r12
-	adds r4, 0x28
-	movs r0, 0
-	ldrsb r0, [r4, r0]
-	ldr r2, =gSpriteCoordOffsetX
-	adds r0, r1
-	ldrh r2, [r2]
-	adds r0, r2
-	lsls r0, 16
-	lsrs r6, r0, 16
-	mov r0, r12
-	ldrh r1, [r0, 0x26]
-	ldrh r2, [r0, 0x22]
-	adds r1, r2
-	subs r3, 0x15
-	movs r0, 0
-	ldrsb r0, [r3, r0]
-	ldr r2, =gSpriteCoordOffsetY
-	adds r0, r1
-	ldrh r2, [r2]
-	adds r0, r2
-	lsls r0, 16
-	lsrs r5, r0, 16
-	adds r2, r3, 0
-	b _08097A6A
-	.pool
-_08097A3C:
-	mov r0, r12
-	ldrh r1, [r0, 0x24]
-	ldrh r2, [r0, 0x20]
-	adds r1, r2
-	mov r3, r12
-	adds r3, 0x28
-	movs r0, 0
-	ldrsb r0, [r3, r0]
-	adds r0, r1
-	lsls r0, 16
-	lsrs r6, r0, 16
-	mov r0, r12
-	ldrh r1, [r0, 0x26]
-	ldrh r2, [r0, 0x22]
-	adds r1, r2
-	mov r2, r12
-	adds r2, 0x29
-	movs r0, 0
-	ldrsb r0, [r2, r0]
-	adds r0, r1
-	lsls r0, 16
-	lsrs r5, r0, 16
-	adds r4, r3, 0
-_08097A6A:
-	ldrb r0, [r4]
-	lsls r0, 24
-	asrs r0, 25
-	subs r0, r6, r0
-	lsls r0, 16
-	lsrs r3, r0, 16
-	ldrb r0, [r2]
-	lsls r0, 24
-	asrs r0, 25
-	subs r0, r5, r0
-	lsls r0, 16
-	lsrs r2, r0, 16
-	lsls r0, r6, 16
-	asrs r0, 16
-	cmp r0, 0xFF
-	bgt _08097A96
-	lsls r0, r3, 16
-	asrs r0, 16
-	movs r1, 0x10
-	negs r1, r1
-	cmp r0, r1
-	bge _08097AA2
-_08097A96:
-	mov r4, r12
-	adds r4, 0x3E
-	ldrb r0, [r4]
-	movs r1, 0x4
-	orrs r0, r1
-	strb r0, [r4]
-_08097AA2:
-	lsls r0, r5, 16
-	asrs r0, 16
-	cmp r0, 0xAF
-	bgt _08097AB6
-	lsls r0, r2, 16
-	asrs r0, 16
-	movs r1, 0x10
-	negs r1, r1
-	cmp r0, r1
-	bge _08097AC2
-_08097AB6:
-	mov r0, r12
-	adds r0, 0x3E
-	ldrb r1, [r0]
-	movs r2, 0x4
-	orrs r1, r2
-	strb r1, [r0]
-_08097AC2:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80979D4
-
-	thumb_func_start sub_8097AC8
-sub_8097AC8: @ 8097AC8
-	push {r4,lr}
-	adds r4, r0, 0
-	bl sub_8097D68
-	ldrh r0, [r4, 0x30]
-	lsls r0, 24
-	lsrs r0, 24
-	adds r1, r4, 0
-	movs r2, 0x1
-	bl SetObjectSubpriorityByZCoord
-	ldrh r1, [r4, 0x32]
-	lsls r1, 24
-	lsrs r1, 24
-	adds r0, r4, 0
-	bl sub_80979D4
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8097AC8
-
-	thumb_func_start sub_8097AF0
-sub_8097AF0: @ 8097AF0
-	push {r4,r5,lr}
-	movs r5, 0
-	movs r4, 0x3F
-_08097AF6:
-	ldr r0, =gSprites
-	adds r2, r5, r0
-	adds r0, r2, 0
-	adds r0, 0x3E
-	ldrb r1, [r0]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _08097B16
-	ldr r1, [r2, 0x1C]
-	ldr r0, =sub_8097AC8
-	cmp r1, r0
-	bne _08097B16
-	adds r0, r2, 0
-	bl DestroySprite
-_08097B16:
-	adds r5, 0x44
-	subs r4, 0x1
-	cmp r4, 0
-	bge _08097AF6
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8097AF0
-
-	thumb_func_start sub_8097B2C
-sub_8097B2C: @ 8097B2C
-	push {r4-r6,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	movs r3, 0
-	ldr r6, =gSprites
-	movs r4, 0
-_08097B38:
-	adds r2, r4, r6
-	adds r0, r2, 0
-	adds r0, 0x3E
-	ldrb r1, [r0]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _08097B68
-	ldr r1, [r2, 0x1C]
-	ldr r0, =sub_8097AC8
-	cmp r1, r0
-	bne _08097B68
-	ldrh r0, [r2, 0x2E]
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, r5
-	bne _08097B68
-	adds r0, r3, 0
-	b _08097B72
-	.pool
-_08097B68:
-	adds r4, 0x44
-	adds r3, 0x1
-	cmp r3, 0x3F
-	ble _08097B38
-	movs r0, 0x40
-_08097B72:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8097B2C
-
-	thumb_func_start sub_8097B78
-sub_8097B78: @ 8097B78
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, 24
-	lsrs r5, r1, 24
-	bl sub_8097B2C
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x40
-	beq _08097BAA
-	lsls r4, r0, 4
-	adds r4, r0
-	lsls r4, 2
-	ldr r0, =gSprites
-	adds r4, r0
-	adds r0, r5, 0
-	bl FieldObjectDirectionToImageAnimId
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	adds r0, r4, 0
-	bl StartSpriteAnim
-_08097BAA:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8097B78
-
-	thumb_func_start sub_8097BB4
-sub_8097BB4: @ 8097BB4
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, 24
-	lsrs r5, r1, 24
-	bl sub_8097B2C
-	adds r1, r0, 0
-	cmp r1, 0x40
-	beq _08097C3E
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, =gSprites
-	adds r4, r0, r1
-	adds r0, r5, 0
-	bl GetFieldObjectGraphicsInfo
-	ldrh r3, [r4, 0x4]
-	lsls r3, 22
-	ldr r1, [r0, 0x10]
-	ldr r2, [r1, 0x4]
-	ldr r1, [r1]
-	str r1, [r4]
-	str r2, [r4, 0x4]
-	lsrs r3, 22
-	ldrh r2, [r4, 0x4]
-	ldr r1, =0xfffffc00
-	ands r1, r2
-	orrs r1, r3
-	strh r1, [r4, 0x4]
-	ldrb r2, [r0, 0xC]
-	lsls r2, 28
-	lsrs r2, 24
-	ldrb r3, [r4, 0x5]
-	movs r1, 0xF
-	ands r1, r3
-	orrs r1, r2
-	strb r1, [r4, 0x5]
-	ldr r1, [r0, 0x1C]
-	str r1, [r4, 0xC]
-	ldr r1, [r0, 0x14]
-	cmp r1, 0
-	bne _08097C20
-	str r1, [r4, 0x18]
-	adds r0, r4, 0
-	adds r0, 0x42
-	strb r1, [r0]
-	b _08097C36
-	.pool
-_08097C20:
-	adds r0, r4, 0
-	bl SetSubspriteTables
-	adds r2, r4, 0
-	adds r2, 0x42
-	ldrb r0, [r2]
-	movs r1, 0x3F
-	ands r1, r0
-	movs r0, 0x80
-	orrs r1, r0
-	strb r1, [r2]
-_08097C36:
-	adds r0, r4, 0
-	movs r1, 0
-	bl StartSpriteAnim
-_08097C3E:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8097BB4
-
-	thumb_func_start sub_8097C44
-sub_8097C44: @ 8097C44
-	push {r4,lr}
-	adds r4, r1, 0
-	lsls r0, 24
-	lsrs r0, 24
-	bl sub_8097B2C
-	lsls r0, 24
-	lsrs r2, r0, 24
-	adds r3, r2, 0
-	cmp r2, 0x40
-	beq _08097C80
-	cmp r4, 0
-	beq _08097C74
-	ldr r0, =gSprites
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r0
-	movs r0, 0x1
-	strh r0, [r1, 0x32]
-	b _08097C80
-	.pool
-_08097C74:
-	ldr r1, =gSprites
-	lsls r0, r3, 4
-	adds r0, r3
-	lsls r0, 2
-	adds r0, r1
-	strh r4, [r0, 0x32]
-_08097C80:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8097C44
-
-	thumb_func_start sub_8097C8C
-sub_8097C8C: @ 8097C8C
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	bl sub_8097B2C
-	lsls r0, 24
-	lsrs r2, r0, 24
-	cmp r2, 0x40
-	bne _08097CA2
-	movs r0, 0
-	b _08097CBA
-_08097CA2:
-	movs r3, 0
-	ldr r0, =gSprites
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r0
-	movs r2, 0x32
-	ldrsh r0, [r1, r2]
-	cmp r0, 0x1
-	bne _08097CB8
-	movs r3, 0x1
-_08097CB8:
-	adds r0, r3, 0
-_08097CBA:
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_8097C8C
-
-	thumb_func_start sub_8097CC4
-sub_8097CC4: @ 8097CC4
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, 24
-	lsrs r4, r1, 24
-	bl sub_8097B2C
-	lsls r0, 24
-	lsrs r2, r0, 24
-	cmp r2, 0x40
-	beq _08097CEA
-	ldr r0, =gSprites
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r0
-	movs r0, 0
-	strh r4, [r1, 0x34]
-	strh r0, [r1, 0x36]
-_08097CEA:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8097CC4
-
-	thumb_func_start sub_8097CF4
-sub_8097CF4: @ 8097CF4
-	push {lr}
-	adds r2, r0, 0
-	movs r1, 0x36
-	ldrsh r0, [r2, r1]
-	cmp r0, 0
-	beq _08097D06
-	cmp r0, 0x1
-	beq _08097D0E
-	b _08097D2C
-_08097D06:
-	strh r0, [r2, 0x26]
-	ldrh r0, [r2, 0x36]
-	adds r0, 0x1
-	strh r0, [r2, 0x36]
-_08097D0E:
-	ldrh r0, [r2, 0x26]
-	subs r0, 0x8
-	movs r3, 0
-	strh r0, [r2, 0x26]
-	lsls r0, 16
-	asrs r0, 16
-	movs r1, 0xA0
-	negs r1, r1
-	cmp r0, r1
-	bne _08097D2C
-	strh r3, [r2, 0x26]
-	movs r0, 0x1
-	strh r0, [r2, 0x32]
-	strh r3, [r2, 0x34]
-	strh r3, [r2, 0x36]
-_08097D2C:
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8097CF4
-
-	thumb_func_start sub_8097D30
-sub_8097D30: @ 8097D30
-	push {lr}
-	adds r1, r0, 0
-	movs r2, 0x36
-	ldrsh r0, [r1, r2]
-	cmp r0, 0
-	beq _08097D42
-	cmp r0, 0x1
-	beq _08097D4C
-	b _08097D5E
-_08097D42:
-	ldr r0, =0x0000ff60
-	strh r0, [r1, 0x26]
-	ldrh r0, [r1, 0x36]
-	adds r0, 0x1
-	strh r0, [r1, 0x36]
-_08097D4C:
-	ldrh r0, [r1, 0x26]
-	adds r0, 0x8
-	strh r0, [r1, 0x26]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0
-	bne _08097D5E
-	strh r0, [r1, 0x34]
-	strh r0, [r1, 0x36]
-_08097D5E:
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8097D30
-
-	thumb_func_start sub_8097D68
-sub_8097D68: @ 8097D68
-	push {lr}
-	adds r1, r0, 0
-	movs r2, 0x34
-	ldrsh r0, [r1, r2]
-	cmp r0, 0x1
-	beq _08097D84
-	cmp r0, 0x1
-	bgt _08097D7E
-	cmp r0, 0
-	beq _08097D98
-	b _08097D94
-_08097D7E:
-	cmp r0, 0x2
-	beq _08097D8C
-	b _08097D94
-_08097D84:
-	adds r0, r1, 0
-	bl sub_8097D30
-	b _08097D98
-_08097D8C:
-	adds r0, r1, 0
-	bl sub_8097CF4
-	b _08097D98
-_08097D94:
-	movs r0, 0
-	strh r0, [r1, 0x34]
-_08097D98:
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8097D68
-
-	thumb_func_start sub_8097D9C
-sub_8097D9C: @ 8097D9C
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	bl sub_8097B2C
-	lsls r0, 24
-	lsrs r2, r0, 24
-	cmp r2, 0x40
-	beq _08097DC0
-	ldr r0, =gSprites
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r0
-	movs r2, 0x34
-	ldrsh r0, [r1, r2]
-	cmp r0, 0
-	bne _08097DC8
-_08097DC0:
-	movs r0, 0
-	b _08097DCA
-	.pool
-_08097DC8:
-	movs r0, 0x1
-_08097DCA:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8097D9C
-
-	thumb_func_start oe_exec_and_other_stuff
-oe_exec_and_other_stuff: @ 8097DD0
-	push {r4,lr}
-	adds r4, r0, 0
-	adds r0, r1, 0
-	lsls r4, 24
-	lsrs r4, 24
-	ldr r1, =gFieldEffectArguments
-	adds r2, r1, 0x4
-	adds r3, r1, 0
-	adds r3, 0x8
-	bl FieldObjectGetLocalIdAndMap
-	adds r0, r4, 0
-	bl FieldEffectStart
-	pop {r4}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end oe_exec_and_other_stuff
-
-	thumb_func_start DoShadowFieldEffect
-DoShadowFieldEffect: @ 8097DF8
-	push {lr}
-	adds r1, r0, 0
-	ldrb r2, [r1, 0x2]
-	lsls r0, r2, 25
-	cmp r0, 0
-	blt _08097E10
-	movs r0, 0x40
-	orrs r0, r2
-	strb r0, [r1, 0x2]
-	movs r0, 0x3
-	bl oe_exec_and_other_stuff
-_08097E10:
-	pop {r0}
-	bx r0
-	thumb_func_end DoShadowFieldEffect
-
-	thumb_func_start DoRippleFieldEffect
-@ void DoRippleFieldEffect(struct npc_state *fieldObject, struct obj *object)
-DoRippleFieldEffect: @ 8097E14
-	push {r4,lr}
-	adds r4, r1, 0
-	ldrb r0, [r0, 0x5]
-	bl GetFieldObjectGraphicsInfo
-	ldr r2, =gFieldEffectArguments
-	movs r3, 0x20
-	ldrsh r1, [r4, r3]
-	str r1, [r2]
-	movs r3, 0x22
-	ldrsh r1, [r4, r3]
-	ldrh r0, [r0, 0xA]
-	lsls r0, 16
-	asrs r0, 17
-	adds r1, r0
-	subs r1, 0x2
-	str r1, [r2, 0x4]
-	movs r0, 0x97
-	str r0, [r2, 0x8]
-	movs r0, 0x3
-	str r0, [r2, 0xC]
-	movs r0, 0x5
-	bl FieldEffectStart
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end DoRippleFieldEffect
-
-	thumb_func_start sub_8097E50
-sub_8097E50: @ 8097E50
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	adds r4, r0, 0
-	mov r8, r1
-	movs r0, 0
-	mov r12, r0
-	ldr r0, =gUnknown_020375B8
-	ldr r1, [r0]
-	adds r6, r0, 0
-	cmp r1, 0
-	bne _08097E80
-	movs r0, 0x14
-	bl AllocZeroed
-	str r0, [r6]
-	ldrb r1, [r4, 0x8]
-	strb r1, [r0]
-	ldr r1, [r6]
-	movs r0, 0x1
-	strb r0, [r1, 0x10]
-	b _08097ECC
-	.pool
-_08097E80:
-	movs r2, 0x10
-	movs r5, 0
-	movs r1, 0
-	adds r3, r6, 0
-	b _08097E90
-_08097E8A:
-	adds r0, r1, 0x1
-	lsls r0, 24
-	lsrs r1, r0, 24
-_08097E90:
-	cmp r1, 0xF
-	bhi _08097EB2
-	cmp r2, 0x10
-	bne _08097EA4
-	ldr r0, [r3]
-	adds r0, r1
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _08097EA4
-	adds r2, r1, 0
-_08097EA4:
-	ldr r0, [r3]
-	adds r0, r1
-	ldrb r0, [r0]
-	ldrb r7, [r4, 0x8]
-	cmp r0, r7
-	bne _08097E8A
-	movs r5, 0x1
-_08097EB2:
-	cmp r5, 0
-	bne _08097ECE
-	cmp r2, 0x10
-	beq _08097ECE
-	ldr r0, [r6]
-	adds r0, r2
-	ldrb r1, [r4, 0x8]
-	strb r1, [r0]
-	ldr r1, [r6]
-	ldrb r0, [r1, 0x10]
-	adds r0, 0x1
-	strb r0, [r1, 0x10]
-	movs r0, 0x1
-_08097ECC:
-	mov r12, r0
-_08097ECE:
-	mov r1, r12
-	cmp r1, 0x1
-	bne _08097EE0
-	ldrb r0, [r4, 0x1]
-	movs r1, 0x10
-	orrs r0, r1
-	movs r1, 0x2
-	orrs r0, r1
-	strb r0, [r4, 0x1]
-_08097EE0:
-	movs r0, 0x1
-	mov r7, r8
-	strh r0, [r7, 0x32]
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8097E50
-
-	thumb_func_start sub_8097EF0
-sub_8097EF0: @ 8097EF0
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	adds r6, r0, 0
-	mov r8, r1
-	movs r0, 0x1
-	strh r0, [r1, 0x32]
-	ldr r5, =gUnknown_020375B8
-	ldr r0, [r5]
-	cmp r0, 0
-	beq _08097F68
-	movs r7, 0
-	adds r0, r6, 0
-	bl sub_8097F78
-	lsls r0, 24
-	lsrs r1, r0, 24
-	cmp r1, 0x10
-	beq _08097F28
-	ldr r0, [r5]
-	adds r0, r1
-	movs r1, 0
-	strb r1, [r0]
-	ldr r1, [r5]
-	ldrb r0, [r1, 0x10]
-	subs r0, 0x1
-	strb r0, [r1, 0x10]
-	movs r7, 0x1
-_08097F28:
-	ldr r0, [r5]
-	ldrb r4, [r0, 0x10]
-	cmp r4, 0
-	bne _08097F36
-	bl Free
-	str r4, [r5]
-_08097F36:
-	cmp r7, 0x1
-	bne _08097F68
-	ldrb r0, [r6, 0x5]
-	bl GetFieldObjectGraphicsInfo
-	ldrb r1, [r0, 0xC]
-	lsls r1, 25
-	lsrs r1, 31
-	lsls r1, 4
-	ldrb r2, [r6, 0x1]
-	movs r0, 0x11
-	negs r0, r0
-	ands r0, r2
-	orrs r0, r1
-	movs r1, 0x3
-	negs r1, r1
-	ands r0, r1
-	strb r0, [r6, 0x1]
-	mov r2, r8
-	adds r2, 0x2C
-	ldrb r1, [r2]
-	movs r0, 0x41
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r2]
-_08097F68:
-	movs r0, 0x1
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_8097EF0
-
-	thumb_func_start sub_8097F78
-@ signed int sub_8097F78(npc_state *a1)
-sub_8097F78: @ 8097F78
-	push {lr}
-	movs r2, 0
-	ldr r1, =gUnknown_020375B8
-	ldr r1, [r1]
-	ldrb r3, [r0, 0x8]
-_08097F82:
-	adds r0, r1, r2
-	ldrb r0, [r0]
-	cmp r0, r3
-	bne _08097F94
-	adds r0, r2, 0
-	b _08097FA0
-	.pool
-_08097F94:
-	adds r0, r2, 0x1
-	lsls r0, 24
-	lsrs r2, r0, 24
-	cmp r2, 0xF
-	bls _08097F82
-	movs r0, 0x10
-_08097FA0:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8097F78
-
-	thumb_func_start sub_8097FA4
-sub_8097FA4: @ 8097FA4
-	push {r4-r6,lr}
-	adds r6, r0, 0
-	ldr r0, =sub_8097FE4
-	movs r1, 0xFF
-	bl CreateTask
-	adds r5, r0, 0
-	lsls r5, 24
-	lsrs r5, 24
-	lsls r4, r5, 2
-	adds r4, r5
-	lsls r4, 3
-	ldr r0, =gTasks
-	adds r4, r0
-	adds r0, r4, 0
-	adds r0, 0x8
-	adds r1, r6, 0
-	bl StoreWordInTwoHalfwords
-	strb r5, [r6, 0x1B]
-	ldr r0, =0x0000ffff
-	strh r0, [r4, 0xE]
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8097FA4
-
-	thumb_func_start sub_8097FE4
-sub_8097FE4: @ 8097FE4
-	push {r4,lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	ldr r0, =gTasks
-	adds r4, r1, r0
-	adds r0, r4, 0
-	adds r0, 0x8
-	mov r1, sp
-	bl LoadWordFromTwoHalfwords
-	ldr r0, [sp]
-	ldrb r1, [r0, 0x4]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, =gSprites
-	adds r2, r0, r1
-	ldrh r1, [r4, 0xC]
-	movs r0, 0x3
-	ands r0, r1
-	cmp r0, 0
-	bne _08098020
-	ldrh r0, [r4, 0xE]
-	ldrh r1, [r2, 0x26]
-	adds r0, r1
-	strh r0, [r2, 0x26]
-_08098020:
-	ldrh r1, [r4, 0xC]
-	movs r0, 0xF
-	ands r0, r1
-	cmp r0, 0
-	bne _08098030
-	ldrh r0, [r4, 0xE]
-	negs r0, r0
-	strh r0, [r4, 0xE]
-_08098030:
-	adds r0, r1, 0x1
-	strh r0, [r4, 0xC]
-	add sp, 0x4
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8097FE4
-
-	thumb_func_start sub_8098044
-sub_8098044: @ 8098044
-	push {r4,lr}
-	sub sp, 0x4
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	ldr r1, =gTasks
-	adds r0, r1
-	adds r0, 0x8
-	mov r1, sp
-	bl LoadWordFromTwoHalfwords
-	adds r0, r4, 0
-	bl DestroyTask
-	add sp, 0x4
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8098044
-
-	thumb_func_start sub_8098074
-sub_8098074: @ 8098074
-	push {r4-r7,lr}
-	lsls r0, 24
-	lsrs r6, r0, 24
-	lsls r1, 24
-	lsrs r5, r1, 24
-	movs r4, 0
-	ldr r7, =gMapObjects
-_08098082:
-	cmp r4, r6
-	beq _080980A8
-	cmp r4, r5
-	beq _080980A8
-	lsls r0, r4, 3
-	adds r0, r4
-	lsls r0, 2
-	adds r1, r0, r7
-	ldrb r0, [r1]
-	lsls r0, 31
-	cmp r0, 0
-	beq _080980A8
-	ldr r0, =gPlayerAvatar
-	ldrb r0, [r0, 0x5]
-	cmp r4, r0
-	beq _080980A8
-	adds r0, r1, 0
-	bl sub_8097404
-_080980A8:
-	adds r0, r4, 0x1
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0xF
-	bls _08098082
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8098074
-
-	thumb_func_start sub_80980C0
-sub_80980C0: @ 80980C0
-	movs r0, 0
-	strh r0, [r1, 0x26]
-	ldrh r0, [r1, 0x32]
-	adds r0, 0x1
-	strh r0, [r1, 0x32]
-	movs r0, 0
-	bx lr
-	thumb_func_end sub_80980C0
-
-	thumb_func_start sub_80980D0
-sub_80980D0: @ 80980D0
-	push {lr}
-	adds r2, r1, 0
-	ldrh r0, [r2, 0x26]
-	subs r0, 0x8
-	strh r0, [r2, 0x26]
-	lsls r0, 16
-	asrs r0, 16
-	movs r1, 0xA0
-	negs r1, r1
-	cmp r0, r1
-	bne _080980EC
-	ldrh r0, [r2, 0x32]
-	adds r0, 0x1
-	strh r0, [r2, 0x32]
-_080980EC:
-	movs r0, 0
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80980D0
-
-	thumb_func_start sub_80980F4
-sub_80980F4: @ 80980F4
-	ldr r0, =0x0000ff60
-	strh r0, [r1, 0x26]
-	ldrh r0, [r1, 0x32]
-	adds r0, 0x1
-	strh r0, [r1, 0x32]
-	movs r0, 0
-	bx lr
-	.pool
-	thumb_func_end sub_80980F4
-
-	thumb_func_start sub_8098108
-sub_8098108: @ 8098108
-	push {lr}
-	ldrh r0, [r1, 0x26]
-	adds r0, 0x8
-	strh r0, [r1, 0x26]
-	lsls r0, 16
-	cmp r0, 0
-	bne _0809811C
-	ldrh r0, [r1, 0x32]
-	adds r0, 0x1
-	strh r0, [r1, 0x32]
-_0809811C:
-	movs r0, 0
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8098108
-
-	thumb_func_start sub_8098124
-sub_8098124: @ 8098124
-	movs r0, 0x1
-	bx lr
-	thumb_func_end sub_8098124
-
-	.align 2, 0 @ Don't pad with nop.
diff --git a/asm/map_obj_lock.s b/asm/map_obj_lock.s
index 3cf009175..97abc7fec 100644
--- a/asm/map_obj_lock.s
+++ b/asm/map_obj_lock.s
@@ -109,7 +109,7 @@ _0809842A:
 	cmp r0, 0
 	blt _08098452
 	adds r0, r1, 0
-	bl sub_8097404
+	bl FreezeMapObject
 	movs r0, 0x1
 	strh r0, [r5, 0xA]
 _08098452:
@@ -154,7 +154,7 @@ LockSelectedMapObject: @ 80984A0
 	push {r4,r5,lr}
 	ldr r4, =gSelectedMapObject
 	ldrb r0, [r4]
-	bl sub_80974D0
+	bl FreezeMapObjectsExceptOne
 	ldr r0, =sub_8098400
 	movs r1, 0x50
 	bl CreateTask
@@ -171,7 +171,7 @@ LockSelectedMapObject: @ 80984A0
 	cmp r0, 0
 	blt _080984DE
 	adds r0, r1, 0
-	bl sub_8097404
+	bl FreezeMapObject
 	ldr r0, =gTasks
 	lsls r1, r5, 2
 	adds r1, r5
@@ -317,7 +317,7 @@ _080985E8:
 	cmp r0, 0
 	blt _0809860C
 	adds r0, r1, 0
-	bl sub_8097404
+	bl FreezeMapObject
 	movs r0, 0x1
 	strh r0, [r5, 0xA]
 _0809860C:
@@ -385,7 +385,7 @@ sub_8098630: @ 8098630
 	cmp r0, 0
 	blt _0809869A
 	adds r0, r1, 0
-	bl sub_8097404
+	bl FreezeMapObject
 	movs r0, 0x1
 	strh r0, [r6, 0xA]
 _0809869A:
@@ -410,14 +410,14 @@ _0809869A:
 	cmp r0, 0
 	blt _0809871A
 	adds r0, r1, 0
-	bl sub_8097404
+	bl FreezeMapObject
 	movs r0, 0x1
 	strh r0, [r4, 0xA]
 	b _0809871A
 	.pool
 _080986E0:
 	adds r0, r4, 0
-	bl sub_80974D0
+	bl FreezeMapObjectsExceptOne
 	ldr r0, =sub_80985BC
 	movs r1, 0x50
 	bl CreateTask
@@ -439,7 +439,7 @@ _080986E0:
 	cmp r0, 0
 	blt _0809871A
 	adds r0, r1, 0
-	bl sub_8097404
+	bl FreezeMapObject
 	movs r0, 0x1
 	strh r0, [r5, 0xA]
 _0809871A:
diff --git a/asm/script_movement.s b/asm/script_movement.s
index 5f06fd179..8c6a6257c 100644
--- a/asm/script_movement.s
+++ b/asm/script_movement.s
@@ -553,7 +553,7 @@ _080D36DC:
 	adds r1, r6, 0
 	bl sub_80D355C
 	adds r0, r4, 0
-	bl sub_8097404
+	bl FreezeMapObject
 	b _080D370E
 	.pool
 _080D36F8:
diff --git a/include/field_map_obj_helpers.h b/include/field_map_obj_helpers.h
index ba797ec98..031c7a8ab 100644
--- a/include/field_map_obj_helpers.h
+++ b/include/field_map_obj_helpers.h
@@ -1,7 +1,31 @@
-#ifndef GUARD_FIELDMAPOBJHELP_H
-#define GUARD_FIELDMAPOBJHELP_H
+#ifndef GUARD_FIELD_MAP_OBJ_HELPERS_H
+#define GUARD_FIELD_MAP_OBJ_HELPERS_H
 
+// Exported type declarations
+
+// Exported RAM declarations
+extern u8 *gUnknown_020375B8;
+
+// Exported ROM declarations
+void sub_8097AC8(struct Sprite *);
+void npc_sync_anim_pause_bits(struct MapObject *);
+void oamt_npc_ministep_reset(struct Sprite *, u8, u8);
+u8 sub_8097F78(struct MapObject *);
+bool8 obj_npc_ministep(struct Sprite *sprite);
+bool8 sub_80976EC(struct Sprite *sprite);
+void sub_80976DC(struct Sprite *, u8);
+void sub_809783C(struct Sprite *, u8, u8, u8);
+void DoShadowFieldEffect(struct MapObject *);
+u8 sub_809785C(struct Sprite *);
+u8 sub_80978E4(struct Sprite *);
+void obj_anim_image_set_and_seek(struct Sprite *, u8, u8);
+bool8 sub_80979BC(struct Sprite *);
+void sub_8097750(struct Sprite *);
+bool8 sub_8097758(struct Sprite *);
+void sub_8097FA4(struct MapObject *);
+void sub_8098044(u8);
 void UnfreezeMapObjects(void);
+void FreezeMapObjectsExceptOne(u8 mapObjectId);
 void sub_8097B78(u8, u8);
 
-#endif
+#endif //GUARD_FIELD_MAP_OBJ_HELPERS_H
diff --git a/include/map_obj_8097404.h b/include/map_obj_8097404.h
deleted file mode 100644
index 0800b15b0..000000000
--- a/include/map_obj_8097404.h
+++ /dev/null
@@ -1,34 +0,0 @@
-//
-// Created by scott on 9/7/2017.
-//
-
-#ifndef GUARD_MAP_OBJ_8097404_H
-#define GUARD_MAP_OBJ_8097404_H
-
-// Exported type declarations
-
-// Exported RAM declarations
-extern void *gUnknown_020375B8;
-
-// Exported ROM declarations
-void sub_8097AC8(struct Sprite *);
-void npc_sync_anim_pause_bits(struct MapObject *);
-void oamt_npc_ministep_reset(struct Sprite *, u8, u8);
-u8 sub_8097F78(struct MapObject *);
-bool8 obj_npc_ministep(struct Sprite *sprite);
-bool8 sub_80976EC(struct Sprite *sprite);
-void sub_80976DC(struct Sprite *, u8);
-void sub_809783C(struct Sprite *, u8, u8, u8);
-void DoShadowFieldEffect(struct MapObject *);
-u8 sub_809785C(struct Sprite *);
-u8 sub_80978E4(struct Sprite *);
-void obj_anim_image_set_and_seek(struct Sprite *, u8, u8);
-bool8 sub_80979BC(struct Sprite *);
-void sub_8097750(struct Sprite *);
-bool8 sub_8097758(struct Sprite *);
-void sub_8097FA4(struct MapObject *);
-void sub_8098044(u8);
-void UnfreezeMapObjects(void);
-void sub_80974D0(u8 mapObjectId);
-
-#endif //GUARD_MAP_OBJ_8097404_H
diff --git a/ld_script.txt b/ld_script.txt
index f35b5e48e..871729691 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -97,7 +97,7 @@ SECTIONS {
         asm/field_player_avatar.o(.text);
         src/field_map_obj.o(.text);
         asm/field_ground_effect.o(.text);
-        asm/map_obj_8097404.o(.text);
+        src/field_map_obj_helpers.o(.text);
         src/field_message_box.o(.text);
         asm/map_obj_lock.o(.text);
         src/text_window.o(.text);
diff --git a/src/field_map_obj.c b/src/field_map_obj.c
index df80494b3..906eff4b7 100644
--- a/src/field_map_obj.c
+++ b/src/field_map_obj.c
@@ -14,7 +14,7 @@
 #include "rom_818CFC8.h"
 #include "rom_81BE66C.h"
 #include "field_ground_effect.h"
-#include "map_obj_8097404.h"
+#include "field_map_obj_helpers.h"
 #include "mauville_old_man.h"
 #include "metatile_behavior.h"
 #include "field_effect.h"
diff --git a/src/field_map_obj_helpers.c b/src/field_map_obj_helpers.c
new file mode 100755
index 000000000..1e0e9b66b
--- /dev/null
+++ b/src/field_map_obj_helpers.c
@@ -0,0 +1,844 @@
+#include "global.h"
+#include "field_ground_effect.h"
+#include "field_map_obj.h"
+#include "field_effect.h"
+#include "field_map_obj_helpers.h"
+#include "malloc.h"
+#include "task.h"
+#include "util.h"
+
+typedef void (*SpriteStepFunc)(struct Sprite *sprite, u8 dir);
+
+extern const struct Coords16 gUnknown_0850DB7C[4];
+extern s16 gUnknown_0850E768[];
+extern SpriteStepFunc *const gUnknown_0850E754[];
+extern const s8 gUnknown_0850E772[];
+extern const s8 gUnknown_0850E7BA[];
+extern const s8 *const gUnknown_0850E834[];
+extern s16 gUnknown_0850E840[];
+extern u8 gUnknown_0850E846[];
+extern s16 gUnknown_0850E84A[];
+extern u8 gUnknown_0850E850[];
+
+void sub_8097D68(struct Sprite *sprite);
+void sub_8097FE4(u8);
+
+bool8 FreezeMapObject(struct MapObject *mapObject)
+{
+    if (mapObject->mapobj_bit_6 || mapObject->mapobj_bit_8)
+    {
+        return TRUE;
+    }
+    else
+    {
+        mapObject->mapobj_bit_8 = 1;
+        mapObject->mapobj_bit_23 = gSprites[mapObject->spriteId].animPaused;
+        mapObject->mapobj_bit_24 = gSprites[mapObject->spriteId].affineAnimPaused;
+        gSprites[mapObject->spriteId].animPaused = 1;
+        gSprites[mapObject->spriteId].affineAnimPaused = 1;
+        return FALSE;
+    }
+}
+
+void FreezeMapObjects(void)
+{
+    u8 i;
+    for (i = 0; i < MAP_OBJECTS_COUNT; i++)
+        if (gMapObjects[i].active && i != gPlayerAvatar.mapObjectId)
+            FreezeMapObject(&gMapObjects[i]);
+}
+
+void FreezeMapObjectsExceptOne(u8 a1)
+{
+    u8 i;
+    for (i = 0; i < MAP_OBJECTS_COUNT; i++)
+        if (i != a1 && gMapObjects[i].active && i != gPlayerAvatar.mapObjectId)
+            FreezeMapObject(&gMapObjects[i]);
+}
+
+void npc_sync_anim_pause_bits(struct MapObject *mapObject)
+{
+    if (mapObject->active && mapObject->mapobj_bit_8)
+    {
+        mapObject->mapobj_bit_8 = 0;
+        gSprites[mapObject->spriteId].animPaused = mapObject->mapobj_bit_23;
+        gSprites[mapObject->spriteId].affineAnimPaused = mapObject->mapobj_bit_24;
+    }
+}
+
+void UnfreezeMapObjects(void)
+{
+    u8 i;
+    for (i = 0; i < MAP_OBJECTS_COUNT; i++)
+        if (gMapObjects[i].active)
+            npc_sync_anim_pause_bits(&gMapObjects[i]);
+}
+
+void little_step(struct Sprite *sprite, u8 dir)
+{
+    sprite->pos1.x += gUnknown_0850DB7C[dir].x;
+    sprite->pos1.y += gUnknown_0850DB7C[dir].y;
+}
+
+void double_little_steps(struct Sprite *sprite, u8 dir)
+{
+    sprite->pos1.x += 2 * (u16) gUnknown_0850DB7C[dir].x;
+    sprite->pos1.y += 2 * (u16) gUnknown_0850DB7C[dir].y;
+}
+
+void triple_little_steps(struct Sprite *sprite, u8 dir)
+{
+    sprite->pos1.x += 2 * (u16) gUnknown_0850DB7C[dir].x + (u16) gUnknown_0850DB7C[dir].x;
+    sprite->pos1.y += 2 * (u16) gUnknown_0850DB7C[dir].y + (u16) gUnknown_0850DB7C[dir].y;
+}
+
+void quad_little_steps(struct Sprite *sprite, u8 dir)
+{
+    sprite->pos1.x += 4 * (u16) gUnknown_0850DB7C[dir].x;
+    sprite->pos1.y += 4 * (u16) gUnknown_0850DB7C[dir].y;
+}
+
+void oct_little_steps(struct Sprite *sprite, u8 dir)
+{
+    sprite->pos1.x += 8 * (u16) gUnknown_0850DB7C[dir].x;
+    sprite->pos1.y += 8 * (u16) gUnknown_0850DB7C[dir].y;
+}
+
+void oamt_npc_ministep_reset(struct Sprite *sprite, u8 a2, u8 a3)
+{
+    sprite->data[3] = a2;
+    sprite->data[4] = a3;
+    sprite->data[5] = 0;
+}
+
+bool8 obj_npc_ministep(struct Sprite *sprite)
+{
+    if (sprite->data[5] >= gUnknown_0850E768[sprite->data[4]])
+        return FALSE;
+
+    gUnknown_0850E754[sprite->data[4]][sprite->data[5]](sprite, sprite->data[3]);
+
+    sprite->data[5]++;
+
+    if (sprite->data[5] < gUnknown_0850E768[sprite->data[4]])
+        return FALSE;
+
+    return TRUE;
+}
+
+void sub_80976DC(struct Sprite *sprite, u8 a2)
+{
+    sprite->data[3] = a2;
+    sprite->data[4] = 0;
+    sprite->data[5] = 0;
+}
+
+bool8 sub_80976EC(struct Sprite *sprite)
+{
+    if (!(sprite->data[4] & 1))
+    {
+        little_step(sprite, sprite->data[3]);
+        sprite->data[5]++;
+    }
+
+    sprite->data[4]++;
+
+    if (sprite->data[5] > 15)
+        return TRUE;
+    else
+        return FALSE;
+}
+
+// new helper added here in the middle. Perhaps Game Freak kept these organized in alphebetical order or some other heirarchy?
+
+s16 sub_8097728(s16 a1)
+{
+    return gUnknown_0850E7BA[a1];
+}
+
+s16 sub_809773C(s16 a1)
+{
+    return gUnknown_0850E772[a1];
+}
+
+void sub_8097750(struct Sprite *sprite)
+{
+    sprite->data[6] = 0;
+    sprite->data[7] = 0;
+}
+
+bool8 sub_8097758(struct Sprite *sprite)
+{
+    bool8 result = FALSE;
+
+    switch(sprite->data[7])
+    {
+        case 0:
+            sprite->pos2.x += sub_809773C(sprite->data[6]);
+            sprite->pos2.y += sub_8097728(sprite->data[6]);
+            break;
+        case 1:
+            sprite->pos2.x -= sub_809773C(0x47 - sprite->data[6]);
+            sprite->pos2.y += sub_8097728(0x47 - sprite->data[6]);
+            break;
+        case 2:
+            sprite->pos2.x -= sub_809773C(sprite->data[6]);
+            sprite->pos2.y += sub_8097728(sprite->data[6]);
+            break;
+        case 3:
+            sprite->pos2.x += sub_809773C(0x47 - sprite->data[6]);
+            sprite->pos2.y += sub_8097728(0x47 - sprite->data[6]);
+            break;
+    }
+    if(++sprite->data[6] == 0x48)
+    {
+        sprite->data[6] = 0;
+        sprite->data[7]++;
+    }
+    if(sprite->data[7] == 0x4)
+    {
+        sprite->pos2.y = 0;
+        sprite->pos2.x = 0;
+        result = TRUE;
+    }
+    return result;
+}
+
+s16 sub_8097820(s16 a1, u8 a2)
+{
+    return gUnknown_0850E834[a2][a1];
+}
+
+void sub_809783C(struct Sprite *sprite, u8 a2, u8 a3, u8 a4)
+{
+    sprite->data[3] = a2;
+    sprite->data[4] = a3;
+    sprite->data[5] = a4;
+    sprite->data[6] = 0;
+}
+
+u8 sub_809785C(struct Sprite *sprite)
+{
+    s16 v5[3];
+    u8 v6[3];
+    u8 v2;
+
+    memcpy(v5, gUnknown_0850E840, 6); // TODO: get rid of memcpy
+    memcpy(v6, gUnknown_0850E846, 3);
+    v2 = 0;
+
+    if (sprite->data[4])
+        little_step(sprite, sprite->data[3]);
+
+    sprite->pos2.y = sub_8097820(sprite->data[6] >> v6[sprite->data[4]], sprite->data[5]);
+
+    sprite->data[6]++;
+
+    if (sprite->data[6] == (v5[sprite->data[4]] >> 1))
+        v2 = 1;
+
+    if (sprite->data[6] >= v5[sprite->data[4]])
+    {
+        sprite->pos2.y = 0;
+        v2 = -1;
+    }
+
+    return v2;
+}
+
+u8 sub_80978E4(struct Sprite *sprite)
+{
+    s16 v5[3];
+    u8 v6[3];
+    u8 v2;
+
+    memcpy(v5, gUnknown_0850E84A, 6);
+    memcpy(v6, gUnknown_0850E850, 3);
+    v2 = 0;
+
+    if (sprite->data[4] && !(sprite->data[6] & 1))
+        little_step(sprite, sprite->data[3]);
+
+    sprite->pos2.y = sub_8097820(sprite->data[6] >> v6[sprite->data[4]], sprite->data[5]);
+
+    sprite->data[6]++;
+
+    if (sprite->data[6] == (v5[sprite->data[4]] >> 1))
+        v2 = 1;
+
+    if (sprite->data[6] >= v5[sprite->data[4]])
+    {
+        sprite->pos2.y = 0;
+        v2 = -1;
+    }
+
+    return v2;
+}
+
+void SetFieldObjectStepTimer(struct Sprite *sprite, u16 timer)
+{
+    sprite->data[3] = timer;
+}
+
+
+bool8 RunFieldObjectStepTimer(struct Sprite *sprite)
+{
+    sprite->data[3]--;
+
+    if (sprite->data[3] == 0)
+        return TRUE;
+    else
+        return FALSE;
+}
+
+void obj_anim_image_set_and_seek(struct Sprite *sprite, u8 a2, u8 a3)
+{
+    sprite->animNum = a2;
+    sprite->animPaused = 0 ;
+    SeekSpriteAnim(sprite, a3);
+}
+
+bool8 sub_80979BC(struct Sprite *sprite)
+{
+    if (sprite->animEnded)
+        return TRUE;
+    else
+        return FALSE;
+}
+
+void sub_80979D4(struct Sprite *sprite, bool8 invisible)
+{
+    u16 x, y;
+    s16 x2, y2;
+
+    sprite->invisible = invisible;
+
+    if (sprite->coordOffsetEnabled)
+    {
+        x = sprite->pos1.x + sprite->pos2.x + sprite->centerToCornerVecX + gSpriteCoordOffsetX;
+        y = sprite->pos1.y + sprite->pos2.y + sprite->centerToCornerVecY + gSpriteCoordOffsetY;
+    }
+    else
+    {
+        x = sprite->pos1.x + sprite->pos2.x + sprite->centerToCornerVecX;
+        y = sprite->pos1.y + sprite->pos2.y + sprite->centerToCornerVecY;
+    }
+
+    x2 = x - (sprite->centerToCornerVecX >> 1);
+    y2 = y - (sprite->centerToCornerVecY >> 1);
+
+    if ((s16)x > 255 || x2 < -16)
+        sprite->invisible = 1;
+    if ((s16)y > 175 || y2 < -16)
+        sprite->invisible = 1;
+}
+
+void sub_8097AC8(struct Sprite *sprite)
+{
+    sub_8097D68(sprite);
+    SetObjectSubpriorityByZCoord(sprite->data[1], sprite, 1);
+    sub_80979D4(sprite, sprite->data[2]);
+}
+
+void sub_8097AF0(void)
+{
+    int i;
+
+    for(i = 0; i < MAX_SPRITES; i++)
+    {
+        struct Sprite *sprite = &gSprites[i];
+        if(sprite->inUse && sprite->callback == sub_8097AC8)
+            DestroySprite(sprite);
+    }
+}
+
+int sub_8097B2C(u8 var) // this should return a u8, because all that call this shifts to u8, but it wont match because it doesnt shift u8 at the end.
+{
+    int i;
+
+    for(i = 0; i < MAX_SPRITES; i++)
+    {
+        struct Sprite *sprite = &gSprites[i];
+        if(sprite->inUse && sprite->callback == sub_8097AC8 && (u8)sprite->data[0] == var)
+            return i;
+    }
+    return MAX_SPRITES;
+}
+
+void sub_8097B78(u8 var1, u8 var2)
+{
+    u8 spriteId = sub_8097B2C(var1);
+
+    if(spriteId != MAX_SPRITES)
+        StartSpriteAnim(&gSprites[spriteId], FieldObjectDirectionToImageAnimId(var2));
+}
+
+void sub_8097BB4(u8 var1, u8 var2)
+{
+    int spriteId = sub_8097B2C(var1);
+
+    if(spriteId != MAX_SPRITES)
+    {
+        struct Sprite *sprite = &gSprites[spriteId];
+        const struct MapObjectGraphicsInfo *gfxInfo = GetFieldObjectGraphicsInfo(var2);
+        u16 tileNum = sprite->oam.tileNum;
+
+        sprite->oam = *gfxInfo->oam;
+        sprite->oam.tileNum = tileNum;
+        sprite->oam.paletteNum = gfxInfo->paletteSlot;
+        sprite->images = gfxInfo->images;
+
+        if(gfxInfo->subspriteTables == NULL)
+        {
+            sprite->subspriteTables = NULL;
+            sprite->subspriteTableNum = 0;
+            sprite->subspriteMode = 0;
+        }
+        else
+        {
+            SetSubspriteTables(sprite, gfxInfo->subspriteTables);
+            sprite->subspriteMode = 2;
+        }
+        StartSpriteAnim(sprite, 0);
+    }
+}
+
+void sub_8097C44(u8 var, bool32 var2)
+{
+    u8 spriteId = sub_8097B2C(var);
+
+    if(spriteId == MAX_SPRITES)
+        return;
+
+    if(var2)
+        gSprites[spriteId].data[2] = 1;
+    else
+        gSprites[spriteId].data[2] = 0;
+}
+
+bool32 sub_8097C8C(u8 var)
+{
+    u8 spriteId = sub_8097B2C(var);
+
+    if(spriteId == MAX_SPRITES)
+        return FALSE;
+
+    return (gSprites[spriteId].data[2] == TRUE);
+}
+
+void sub_8097CC4(u8 var1, u8 var2)
+{
+    u8 spriteId = sub_8097B2C(var1);
+
+    if(spriteId != MAX_SPRITES)
+    {
+        gSprites[spriteId].data[3] = var2;
+        gSprites[spriteId].data[4] = 0;
+    }
+}
+
+void sub_8097CF4(struct Sprite *sprite)
+{
+    switch(sprite->data[4])
+    {
+        case 0:
+            sprite->pos2.y = 0;
+            sprite->data[4]++;
+        case 1:
+            sprite->pos2.y -= 8;
+            if(sprite->pos2.y == -160)
+            {
+                sprite->pos2.y = 0;
+                sprite->data[2] = 1;
+                sprite->data[3] = 0;
+                sprite->data[4] = 0;
+            }
+    }
+}
+
+void sub_8097D30(struct Sprite *sprite)
+{
+    switch(sprite->data[4])
+    {
+        case 0:
+            sprite->pos2.y = -160;
+            sprite->data[4]++;
+        case 1:
+            sprite->pos2.y += 8;
+            if(sprite->pos2.y == 0)
+            {
+                sprite->data[3] = 0;
+                sprite->data[4] = 0;
+            }
+    }
+}
+
+void sub_8097D68(struct Sprite *sprite)
+{
+    switch(sprite->data[3])
+    {
+        case 1:
+            sub_8097D30(sprite);
+            break;
+        case 2:
+            sub_8097CF4(sprite);
+            break;
+        case 0:
+            break;
+        default:
+            sprite->data[3] = 0;
+            break;
+    }
+}
+
+bool32 sub_8097D9C(u8 var)
+{
+    u8 spriteId = sub_8097B2C(var);
+
+    if(spriteId == MAX_SPRITES)
+        return FALSE;
+
+    if(gSprites[spriteId].data[3] != FALSE)
+        return TRUE;
+
+    return FALSE;
+}
+
+u32 oe_exec_and_other_stuff(u8 fieldEffectId, struct MapObject *mapObject)
+{
+    FieldObjectGetLocalIdAndMap(mapObject, &gFieldEffectArguments[0], &gFieldEffectArguments[1], &gFieldEffectArguments[2]);
+    return FieldEffectStart(fieldEffectId);
+}
+
+void DoShadowFieldEffect(struct MapObject *mapObject)
+{
+    if (!mapObject->mapobj_bit_22)
+    {
+        mapObject->mapobj_bit_22 = 1;
+        oe_exec_and_other_stuff(FLDEFF_SHADOW, mapObject);
+    }
+}
+
+void DoRippleFieldEffect(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    const struct MapObjectGraphicsInfo *gfxInfo = GetFieldObjectGraphicsInfo(mapObject->graphicsId);
+    gFieldEffectArguments[0] = sprite->pos1.x;
+    gFieldEffectArguments[1] = sprite->pos1.y + (gfxInfo->height >> 1) - 2;
+    gFieldEffectArguments[2] = 151;
+    gFieldEffectArguments[3] = 3;
+    FieldEffectStart(FLDEFF_RIPPLE);
+}
+
+#ifdef NONMATCHING
+bool32 sub_8097E50(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    bool32 ableToStore = FALSE;
+    if (gUnknown_020375B8 == NULL)
+    {
+        gUnknown_020375B8 = AllocZeroed(0x14);
+        gUnknown_020375B8[0] = mapObject->localId;
+        gUnknown_020375B8[16] = 1;
+        ableToStore = TRUE;
+    }
+    else
+    {
+        u8 i;
+        u8 firstFreeSlot;
+        bool32 found;
+        for (firstFreeSlot = 16, found = FALSE, i = 0; i < 16; i++)
+        {
+            if (firstFreeSlot == 16 && gUnknown_020375B8[i] == 0)
+                firstFreeSlot = i;
+            
+            if (gUnknown_020375B8[i] == mapObject->localId)
+            {
+                found = TRUE;
+                break;
+            }
+        }
+        
+        if (!found && firstFreeSlot != 16)
+        {
+            gUnknown_020375B8[firstFreeSlot] = mapObject->localId;
+            gUnknown_020375B8[16]++;
+            ableToStore = TRUE; // the nonmatching problem is that ableToStore == TRUE isnt being merged with the above ableToStore = TRUE assignment.
+        }
+    }
+    
+    if (ableToStore == TRUE)
+    {
+        mapObject->mapobj_bit_12 = TRUE;
+        mapObject->mapobj_bit_9 = TRUE;
+    }
+    
+    sprite->data[2] = 1;
+    return TRUE;
+}
+#else
+__attribute__((naked))
+bool32 sub_8097E50(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    asm(".syntax unified\n\
+    push {r4-r7,lr}\n\
+    mov r7, r8\n\
+    push {r7}\n\
+    adds r4, r0, 0\n\
+    mov r8, r1\n\
+    movs r0, 0\n\
+    mov r12, r0\n\
+    ldr r0, =gUnknown_020375B8\n\
+    ldr r1, [r0]\n\
+    adds r6, r0, 0\n\
+    cmp r1, 0\n\
+    bne _08097E80\n\
+    movs r0, 0x14\n\
+    bl AllocZeroed\n\
+    str r0, [r6]\n\
+    ldrb r1, [r4, 0x8]\n\
+    strb r1, [r0]\n\
+    ldr r1, [r6]\n\
+    movs r0, 0x1\n\
+    strb r0, [r1, 0x10]\n\
+    b _08097ECC\n\
+    .pool\n\
+_08097E80:\n\
+    movs r2, 0x10\n\
+    movs r5, 0\n\
+    movs r1, 0\n\
+    adds r3, r6, 0\n\
+    b _08097E90\n\
+_08097E8A:\n\
+    adds r0, r1, 0x1\n\
+    lsls r0, 24\n\
+    lsrs r1, r0, 24\n\
+_08097E90:\n\
+    cmp r1, 0xF\n\
+    bhi _08097EB2\n\
+    cmp r2, 0x10\n\
+    bne _08097EA4\n\
+    ldr r0, [r3]\n\
+    adds r0, r1\n\
+    ldrb r0, [r0]\n\
+    cmp r0, 0\n\
+    bne _08097EA4\n\
+    adds r2, r1, 0\n\
+_08097EA4:\n\
+    ldr r0, [r3]\n\
+    adds r0, r1\n\
+    ldrb r0, [r0]\n\
+    ldrb r7, [r4, 0x8]\n\
+    cmp r0, r7\n\
+    bne _08097E8A\n\
+    movs r5, 0x1\n\
+_08097EB2:\n\
+    cmp r5, 0\n\
+    bne _08097ECE\n\
+    cmp r2, 0x10\n\
+    beq _08097ECE\n\
+    ldr r0, [r6]\n\
+    adds r0, r2\n\
+    ldrb r1, [r4, 0x8]\n\
+    strb r1, [r0]\n\
+    ldr r1, [r6]\n\
+    ldrb r0, [r1, 0x10]\n\
+    adds r0, 0x1\n\
+    strb r0, [r1, 0x10]\n\
+    movs r0, 0x1\n\
+_08097ECC:\n\
+    mov r12, r0\n\
+_08097ECE:\n\
+    mov r1, r12\n\
+    cmp r1, 0x1\n\
+    bne _08097EE0\n\
+    ldrb r0, [r4, 0x1]\n\
+    movs r1, 0x10\n\
+    orrs r0, r1\n\
+    movs r1, 0x2\n\
+    orrs r0, r1\n\
+    strb r0, [r4, 0x1]\n\
+_08097EE0:\n\
+    movs r0, 0x1\n\
+    mov r7, r8\n\
+    strh r0, [r7, 0x32]\n\
+    pop {r3}\n\
+    mov r8, r3\n\
+    pop {r4-r7}\n\
+    pop {r1}\n\
+    bx r1\n\
+    .syntax divided");
+}
+#endif
+
+// this function is very similar to the above one and I don't want to decompile this one until the above is matching.
+__attribute__((naked))
+bool32 sub_8097EF0(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    asm(".syntax unified\n\
+    push {r4-r7,lr}\n\
+    mov r7, r8\n\
+    push {r7}\n\
+    adds r6, r0, 0\n\
+    mov r8, r1\n\
+    movs r0, 0x1\n\
+    strh r0, [r1, 0x32]\n\
+    ldr r5, =gUnknown_020375B8\n\
+    ldr r0, [r5]\n\
+    cmp r0, 0\n\
+    beq _08097F68\n\
+    movs r7, 0\n\
+    adds r0, r6, 0\n\
+    bl sub_8097F78\n\
+    lsls r0, 24\n\
+    lsrs r1, r0, 24\n\
+    cmp r1, 0x10\n\
+    beq _08097F28\n\
+    ldr r0, [r5]\n\
+    adds r0, r1\n\
+    movs r1, 0\n\
+    strb r1, [r0]\n\
+    ldr r1, [r5]\n\
+    ldrb r0, [r1, 0x10]\n\
+    subs r0, 0x1\n\
+    strb r0, [r1, 0x10]\n\
+    movs r7, 0x1\n\
+_08097F28:\n\
+    ldr r0, [r5]\n\
+    ldrb r4, [r0, 0x10]\n\
+    cmp r4, 0\n\
+    bne _08097F36\n\
+    bl Free\n\
+    str r4, [r5]\n\
+_08097F36:\n\
+    cmp r7, 0x1\n\
+    bne _08097F68\n\
+    ldrb r0, [r6, 0x5]\n\
+    bl GetFieldObjectGraphicsInfo\n\
+    ldrb r1, [r0, 0xC]\n\
+    lsls r1, 25\n\
+    lsrs r1, 31\n\
+    lsls r1, 4\n\
+    ldrb r2, [r6, 0x1]\n\
+    movs r0, 0x11\n\
+    negs r0, r0\n\
+    ands r0, r2\n\
+    orrs r0, r1\n\
+    movs r1, 0x3\n\
+    negs r1, r1\n\
+    ands r0, r1\n\
+    strb r0, [r6, 0x1]\n\
+    mov r2, r8\n\
+    adds r2, 0x2C\n\
+    ldrb r1, [r2]\n\
+    movs r0, 0x41\n\
+    negs r0, r0\n\
+    ands r0, r1\n\
+    strb r0, [r2]\n\
+_08097F68:\n\
+    movs r0, 0x1\n\
+    pop {r3}\n\
+    mov r8, r3\n\
+    pop {r4-r7}\n\
+    pop {r1}\n\
+    bx r1\n\
+    .pool\n\
+    .syntax divided");
+}
+
+u8 sub_8097F78(struct MapObject *mapObject)
+{
+    u8 i;
+
+    for(i = 0; i < MAP_OBJECTS_COUNT; i++)
+    {
+        if(gUnknown_020375B8[i] == mapObject->localId)
+            return i;
+    }
+    return MAP_OBJECTS_COUNT;
+}
+
+void sub_8097FA4(struct MapObject *mapObject)
+{
+    u8 taskId = CreateTask(sub_8097FE4, 0xFF);
+    struct Task *task = &gTasks[taskId];
+
+    StoreWordInTwoHalfwords(&task->data[0], (u32)mapObject);
+    mapObject->mapobj_unk_1B = taskId;
+    task->data[3] = 0xFFFF;
+}
+
+void sub_8097FE4(u8 taskId)
+{
+    struct MapObject *mapObject;
+    struct Sprite *sprite;
+    struct Task *task = &gTasks[taskId];
+
+    LoadWordFromTwoHalfwords(&task->data[0], (u32 *)&mapObject); // load the map object pointer.
+    sprite = &gSprites[mapObject->spriteId];
+
+    if(!(task->data[2] & 0x3))
+        sprite->pos2.y += task->data[3];
+
+    if(!(task->data[2] & 0xF))
+        task->data[3] = -task->data[3];
+
+    task->data[2]++;
+}
+
+void sub_8098044(u8 taskId)
+{
+    u32 word;
+    struct Task *task = &gTasks[taskId];
+
+    LoadWordFromTwoHalfwords(&task->data[0], &word); // huh??? why does it load a word that never gets used???
+    DestroyTask(taskId);
+}
+
+void sub_8098074(u8 var1, u8 var2)
+{
+    u8 i;
+
+    for(i = 0; i < MAP_OBJECTS_COUNT; i++)
+    {
+        if(i != var1 && i != var2 &&
+            gMapObjects[i].active && i != gPlayerAvatar.mapObjectId)
+                FreezeMapObject(&gMapObjects[i]);
+    }
+}
+
+bool32 sub_80980C0(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sprite->pos2.y = 0;
+    sprite->data[2]++;
+    return FALSE;
+}
+
+bool32 sub_80980D0(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sprite->pos2.y -= 8;
+
+    if(sprite->pos2.y == -160)
+        sprite->data[2]++;
+    return FALSE;
+}
+
+bool32 sub_80980F4(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sprite->pos2.y = -160;
+    sprite->data[2]++;
+    return FALSE;
+}
+
+bool32 sub_8098108(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    sprite->pos2.y += 8;
+
+    if(!sprite->pos2.y)
+        sprite->data[2]++;
+    return FALSE;
+}
+
+// though this function returns TRUE without doing anything, this header is required due to being in an array of functions which needs it.
+bool32 sub_8098124(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    return TRUE;
+}
diff --git a/src/item_use.c b/src/item_use.c
index 4c7276bb8..8fe705a50 100755
--- a/src/item_use.c
+++ b/src/item_use.c
@@ -15,7 +15,7 @@
 #include "field_screen.h"
 #include "field_weather.h"
 #include "item.h"
-#include "map_obj_8097404.h"
+#include "field_map_obj_helpers.h"
 #include "mail.h"
 #include "metatile_behavior.h"
 #include "overworld.h"
diff --git a/src/trainer_see.c b/src/trainer_see.c
index 53bc5cbbb..7706da703 100644
--- a/src/trainer_see.c
+++ b/src/trainer_see.c
@@ -6,7 +6,7 @@
 #include "field_effect.h"
 #include "field_map_obj.h"
 #include "field_player_avatar.h"
-#include "map_obj_8097404.h"
+#include "field_map_obj_helpers.h"
 #include "pokenav.h"
 #include "task.h"
 #include "util.h"
@@ -639,7 +639,7 @@ void sub_80B45D0(void)
             gApproachingTrainerId++;
             gSpecialVar_Result = 1;
             UnfreezeMapObjects();
-            sub_80974D0(gApproachingTrainers[1].mapObjectId);
+            FreezeMapObjectsExceptOne(gApproachingTrainers[1].mapObjectId);
         }
         else
         {