diff --git a/asm/field_map_obj.s b/asm/field_map_obj.s
index ffc55dd34e..5b5ec4e0d6 100755
--- a/asm/field_map_obj.s
+++ b/asm/field_map_obj.s
@@ -5,64 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8092F88
-sub_8092F88: @ 8092F88
-	push {r4-r7,lr}
-	adds r4, r1, 0
-	ldr r1, [sp, 0x14]
-	lsls r0, 24
-	lsls r3, 16
-	lsrs r3, 16
-	adds r7, r3, 0
-	lsls r1, 16
-	lsrs r6, r1, 16
-	mov r12, r6
-	ldr r1, =gUnknown_0850DB7C
-	lsrs r0, 22
-	adds r5, r0, r1
-	movs r0, 0
-	ldrsh r1, [r5, r0]
-	cmp r1, 0
-	ble _08092FB4
-	lsls r0, r3, 16
-	asrs r0, 16
-	ldrh r3, [r4]
-	adds r0, r3
-	strh r0, [r4]
-_08092FB4:
-	cmp r1, 0
-	bge _08092FC2
-	ldrh r1, [r4]
-	lsls r0, r7, 16
-	asrs r0, 16
-	subs r1, r0
-	strh r1, [r4]
-_08092FC2:
-	movs r0, 0x2
-	ldrsh r1, [r5, r0]
-	cmp r1, 0
-	ble _08092FD4
-	lsls r0, r6, 16
-	asrs r0, 16
-	ldrh r3, [r2]
-	adds r0, r3
-	strh r0, [r2]
-_08092FD4:
-	cmp r1, 0
-	bge _08092FE4
-	ldrh r1, [r2]
-	mov r3, r12
-	lsls r0, r3, 16
-	asrs r0, 16
-	subs r1, r0
-	strh r1, [r2]
-_08092FE4:
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8092F88
-
 	thumb_func_start sub_8092FF0
 sub_8092FF0: @ 8092FF0
 	push {r4,r5,lr}
diff --git a/src/field_map_obj.c b/src/field_map_obj.c
index d52bd86f76..4592c4dfeb 100755
--- a/src/field_map_obj.c
+++ b/src/field_map_obj.c
@@ -3796,6 +3796,37 @@ void sub_8092F60(u8 direction, s16 *x, s16 *y)
     *y += gUnknown_0850DB7C[direction].y << 4;
 }
 
+void sub_8092F88(u32 dirn, s16 *x, s16 *y, s16 dx, s16 dy)
+{
+    u8 direction;
+    s16 dx_2;
+    s16 dy_2;
+    s16 cur_x;
+    s16 cur_y;
+
+    direction = dirn;
+    dx_2 = dx;
+    dy_2 = dy;
+    cur_x = gUnknown_0850DB7C[direction].x;
+    if (cur_x > 0)
+    {
+        *x += dx_2;
+    }
+    if (cur_x < 0)
+    {
+        *x -= dx_2;
+    }
+    cur_y = gUnknown_0850DB7C[direction].y;
+    if (cur_y > 0)
+    {
+        *y += dy_2;
+    }
+    if (cur_y < 0)
+    {
+        *y -= dy_2;
+    }
+}
+
 asm(".section .text.get_face_direction_anim_id");
 
 void FieldObjectClearAnimIfSpecialAnimActive(struct MapObject *);