diff --git a/asm/non_matching/madderpillar/sub_08029E0C.inc b/asm/non_matching/madderpillar/sub_08029E0C.inc
deleted file mode 100644
index 246103ee..00000000
--- a/asm/non_matching/madderpillar/sub_08029E0C.inc
+++ /dev/null
@@ -1,115 +0,0 @@
-
-	.syntax unified
-
-	.text
-
-	push {r4, r5, r6, r7, lr}
-	mov r7, sl
-	mov r6, sb
-	mov r5, r8
-	push {r5, r6, r7}
-	sub sp, #8
-	adds r5, r0, #0
-	ldrb r0, [r5, #0x15]
-	lsrs r0, r0, #3
-	lsls r1, r0, #1
-	adds r1, r1, r0
-	ldr r0, _08029EE0 @ =gUnk_080CCDC8
-	adds r1, r1, r0
-	str r1, [sp]
-	bl Random
-	movs r1, #1
-	ands r1, r0
-	lsls r1, r1, #1
-	subs r1, #1
-	mov sl, r1
-	bl Random
-	adds r1, r0, #0
-	movs r0, #0xf
-	ands r0, r1
-	movs r1, #3
-	bl __modsi3
-	mov sb, r0
-	movs r1, #0x2e
-	ldrsh r0, [r5, r1]
-	ldr r3, _08029EE4 @ =gRoomControls
-	ldrh r1, [r3, #6]
-	subs r0, r0, r1
-	asrs r0, r0, #4
-	mov r8, r0
-	movs r2, #0x3f
-	ands r0, r2
-	mov r8, r0
-	movs r1, #0x32
-	ldrsh r0, [r5, r1]
-	ldrh r1, [r3, #8]
-	subs r0, r0, r1
-	asrs r0, r0, #4
-	ands r0, r2
-	lsls r0, r0, #6
-	mov r1, r8
-	orrs r1, r0
-	mov r8, r1
-	movs r7, #0
-_08029E72:
-	ldr r0, [sp]
-	add r0, sb
-	ldrb r4, [r0]
-	lsrs r0, r4, #3
-	lsls r0, r0, #1
-	ldr r1, _08029EE8 @ =gUnk_080B4488
-	adds r0, r0, r1
-	movs r1, #0
-	ldrsh r0, [r0, r1]
-	add r0, r8
-	adds r1, r5, #0
-	adds r1, #0x38
-	ldrb r1, [r1]
-	bl sub_080B1B44
-	adds r6, r5, #0
-	adds r6, #0x74
-	cmp r0, #0
-	bne _08029EA6
-	str r4, [sp, #4]
-	ldrb r1, [r5, #0x15]
-	ldrb r0, [r6]
-	subs r0, r1, r0
-	subs r1, r4, r1
-	cmp r0, r1
-	bne _08029EBA
-_08029EA6:
-	mov r0, sb
-	add r0, sl
-	adds r0, #3
-	movs r1, #3
-	bl __modsi3
-	mov sb, r0
-	adds r7, #1
-	cmp r7, #2
-	bls _08029E72
-_08029EBA:
-	cmp r7, #3
-	bne _08029EC0
-	ldr r4, [sp, #4]
-_08029EC0:
-	ldrb r1, [r5, #0x15]
-	ldrb r0, [r6]
-	cmp r0, r1
-	beq _08029ECA
-	strb r1, [r6]
-_08029ECA:
-	strb r4, [r5, #0x15]
-	adds r0, r5, #0
-	bl sub_08029F0C
-	add sp, #8
-	pop {r3, r4, r5}
-	mov r8, r3
-	mov sb, r4
-	mov sl, r5
-	pop {r4, r5, r6, r7, pc}
-	.align 2, 0
-_08029EE0: .4byte gUnk_080CCDC8
-_08029EE4: .4byte gRoomControls
-_08029EE8: .4byte gUnk_080B4488
-
-	.syntax divided
diff --git a/src/enemy/madderpillar.c b/src/enemy/madderpillar.c
index 46f0d2ef..ad81c2d4 100644
--- a/src/enemy/madderpillar.c
+++ b/src/enemy/madderpillar.c
@@ -19,6 +19,9 @@ void sub_0802A18C(Entity*);
 bool32 sub_08029FE4(Entity*);
 void sub_08029FB4(Entity*, u32, u32);
 void sub_0802A0F8(Entity*);
+void sub_08029F0C(Entity*);
+
+extern s16 gUnk_080B4488[];
 
 extern void (*const gUnk_080CCD44[])(Entity*);
 extern void (*const Madderpillar_Functions[])(Entity*);
@@ -320,7 +323,41 @@ void sub_08029DE4(Entity* this) {
     }
 }
 
-ASM_FUNC("asm/non_matching/madderpillar/sub_08029E0C.inc", void sub_08029E0C(Entity* this))
+void sub_08029E0C(Entity* this) {
+    u32 tile;
+    s32 uVar4;
+    s32 iVar3;
+    u32 i;
+    u32 uVar2;
+    const u8* ptr;
+    u32 local_24;
+    u32 dir;
+
+    uVar2 = (this->direction >> 3) * 3;
+    ptr = &gUnk_080CCDC8[uVar2];
+    uVar4 = (Random() & 1) * 2 - 1;
+    iVar3 = ((s32)Random() & 0xf) % 3;
+    tile = COORD_TO_TILE(this);
+    for (i = 0; i < 3; i++) {
+        dir = ptr[iVar3];
+        if (sub_080B1B44(gUnk_080B4488[dir >> 3] + tile, this->collisionLayer) == 0) {
+            local_24 = dir;
+            if (this->direction - this->field_0x74.HALF.LO != dir - this->direction)
+                break;
+        }
+        iVar3 = (iVar3 + uVar4 + 3) % 3;
+    }
+
+    if (i == 3) {
+        dir = local_24;
+    }
+
+    if (this->field_0x74.HALF.LO != this->direction) {
+        this->field_0x74.HALF.LO = this->direction;
+    }
+    this->direction = dir;
+    sub_08029F0C(this);
+}
 
 void sub_08029EEC(Entity* this) {
     u32 uVar1 = (this->direction >> 3) + this->field_0x74.HALF.HI;