diff --git a/asm/non_matching/playerItemCellOverwriteSet/PlayerItemCellOverwriteSet.inc b/asm/non_matching/playerItemCellOverwriteSet/PlayerItemCellOverwriteSet.inc
deleted file mode 100644
index 99ffd681..00000000
--- a/asm/non_matching/playerItemCellOverwriteSet/PlayerItemCellOverwriteSet.inc
+++ /dev/null
@@ -1,364 +0,0 @@
-	.syntax unified
-	push {r4, r5, r6, r7, lr}
-	mov r7, sl
-	mov r6, sb
-	mov r5, r8
-	push {r5, r6, r7}
-	mov r8, r0
-	ldr r7, _0801BFF0 @ =gPlayerEntity
-	ldrb r0, [r0, #0xc]
-	cmp r0, #0
-	bne _0801BF62
-	movs r1, #0x2e
-	ldrsh r0, [r7, r1]
-	ldr r5, _0801BFF4 @ =gUnk_080B7B6C
-	ldrb r1, [r7, #0x14]
-	movs r2, #0xe
-	ands r2, r1
-	adds r1, r2, r5
-	ldrb r1, [r1]
-	lsls r1, r1, #0x18
-	asrs r1, r1, #0x18
-	adds r0, r0, r1
-	ldr r4, _0801BFF8 @ =gRoomControls
-	ldrh r1, [r4, #6]
-	subs r0, r0, r1
-	asrs r0, r0, #4
-	movs r3, #0x3f
-	ands r0, r3
-	movs r6, #0x32
-	ldrsh r1, [r7, r6]
-	adds r2, #1
-	adds r2, r2, r5
-	ldrb r2, [r2]
-	lsls r2, r2, #0x18
-	asrs r2, r2, #0x18
-	adds r1, r1, r2
-	ldrh r2, [r4, #8]
-	subs r1, r1, r2
-	asrs r1, r1, #4
-	ands r1, r3
-	lsls r1, r1, #6
-	orrs r0, r1
-	mov r1, r8
-	adds r1, #0x38
-	ldrb r1, [r1]
-	bl GetTileType
-	mov r1, r8
-	adds r1, #0x6c
-	strh r0, [r1]
-	mov r1, r8
-	ldrb r0, [r1, #0xc]
-	adds r0, #1
-	strb r0, [r1, #0xc]
-_0801BF62:
-	ldr r2, _0801BFFC @ =gPlayerState
-	mov sb, r2
-	ldrb r1, [r2, #0x1a]
-	movs r0, #0x80
-	orrs r0, r1
-	strb r0, [r2, #0x1a]
-	ldr r6, _0801C000 @ =gInput
-	ldrh r1, [r6]
-	movs r3, #0x80
-	lsls r3, r3, #1
-	mov sl, r3
-	movs r0, #1
-	ands r0, r1
-	cmp r0, #0
-	beq _0801C074
-	ldrh r1, [r6, #2]
-	mov r0, sl
-	ands r0, r1
-	cmp r0, #0
-	beq _0801BFDA
-	movs r4, #0x2e
-	ldrsh r0, [r7, r4]
-	ldr r5, _0801BFF4 @ =gUnk_080B7B6C
-	mov sb, r5
-	ldrb r1, [r7, #0x14]
-	movs r2, #0xe
-	ands r2, r1
-	adds r1, r2, r5
-	ldrb r1, [r1]
-	lsls r1, r1, #0x18
-	asrs r1, r1, #0x18
-	adds r0, r0, r1
-	ldr r4, _0801BFF8 @ =gRoomControls
-	ldrh r1, [r4, #6]
-	subs r0, r0, r1
-	asrs r0, r0, #4
-	movs r3, #0x3f
-	ands r0, r3
-	movs r5, #0x32
-	ldrsh r1, [r7, r5]
-	adds r2, #1
-	add r2, sb
-	ldrb r2, [r2]
-	lsls r2, r2, #0x18
-	asrs r2, r2, #0x18
-	adds r1, r1, r2
-	ldrh r2, [r4, #8]
-	subs r1, r1, r2
-	asrs r1, r1, #4
-	ands r1, r3
-	lsls r1, r1, #6
-	orrs r0, r1
-	mov r1, r8
-	adds r1, #0x38
-	ldrb r1, [r1]
-	bl GetTileType
-	mov r1, r8
-	adds r1, #0x6c
-	strh r0, [r1]
-_0801BFDA:
-	ldrh r3, [r6]
-	mov r0, sl
-	ands r0, r3
-	adds r4, r3, #0
-	cmp r0, #0
-	beq _0801C004
-	adds r1, r7, #0
-	adds r1, #0x3d
-	movs r0, #2
-	strb r0, [r1]
-	b _0801C0D4
-	.align 2, 0
-_0801BFF0: .4byte gPlayerEntity
-_0801BFF4: .4byte gUnk_080B7B6C
-_0801BFF8: .4byte gRoomControls
-_0801BFFC: .4byte gPlayerState
-_0801C000: .4byte gInput
-_0801C004:
-	ldrh r2, [r6, #2]
-	movs r6, #0x10
-	adds r0, r6, #0
-	ands r0, r2
-	cmp r0, #0
-	beq _0801C01A
-	mov r1, r8
-	adds r1, #0x6c
-	ldrh r0, [r1]
-	subs r0, #1
-	strh r0, [r1]
-_0801C01A:
-	movs r5, #0x20
-	adds r0, r5, #0
-	ands r0, r2
-	cmp r0, #0
-	beq _0801C02E
-	mov r1, r8
-	adds r1, #0x6c
-	ldrh r0, [r1]
-	adds r0, #1
-	strh r0, [r1]
-_0801C02E:
-	movs r0, #0x30
-	ands r0, r4
-	cmp r0, #0
-	beq _0801C06E
-	mov r1, r8
-	ldrb r0, [r1, #0xf]
-	adds r0, #1
-	strb r0, [r1, #0xf]
-	lsls r0, r0, #0x18
-	lsrs r0, r0, #0x18
-	cmp r0, #0x1e
-	bls _0801C0D4
-	movs r0, #0x1e
-	strb r0, [r1, #0xf]
-	adds r0, r6, #0
-	ands r0, r4
-	cmp r0, #0
-	beq _0801C05A
-	adds r1, #0x6c
-	ldrh r0, [r1]
-	subs r0, #1
-	strh r0, [r1]
-_0801C05A:
-	adds r0, r5, #0
-	ands r0, r3
-	cmp r0, #0
-	beq _0801C0D4
-	mov r1, r8
-	adds r1, #0x6c
-	ldrh r0, [r1]
-	adds r0, #1
-	strh r0, [r1]
-	b _0801C0D4
-_0801C06E:
-	mov r2, r8
-	strb r0, [r2, #0xf]
-	b _0801C0D4
-_0801C074:
-	mov r0, r8
-	adds r0, #0x6c
-	ldrh r0, [r0]
-	movs r3, #0x2e
-	ldrsh r1, [r7, r3]
-	ldr r4, _0801C1C8 @ =gUnk_080B7B6C
-	mov sl, r4
-	ldrb r2, [r7, #0x14]
-	movs r3, #0xe
-	ands r3, r2
-	adds r2, r3, r4
-	ldrb r2, [r2]
-	lsls r2, r2, #0x18
-	asrs r2, r2, #0x18
-	adds r1, r1, r2
-	ldr r5, _0801C1CC @ =gRoomControls
-	ldrh r2, [r5, #6]
-	subs r1, r1, r2
-	asrs r1, r1, #4
-	movs r4, #0x3f
-	ands r1, r4
-	movs r6, #0x32
-	ldrsh r2, [r7, r6]
-	adds r3, #1
-	add r3, sl
-	ldrb r3, [r3]
-	lsls r3, r3, #0x18
-	asrs r3, r3, #0x18
-	adds r2, r2, r3
-	ldrh r3, [r5, #8]
-	subs r2, r2, r3
-	asrs r2, r2, #4
-	ands r2, r4
-	lsls r2, r2, #6
-	orrs r1, r2
-	mov r2, r8
-	adds r2, #0x38
-	ldrb r2, [r2]
-	bl sub_0807B7D8
-	mov r0, sb
-	ldrb r1, [r0, #0x1a]
-	movs r0, #0x7f
-	ands r0, r1
-	mov r1, sb
-	strb r0, [r1, #0x1a]
-	bl DeleteThisEntity
-_0801C0D4:
-	ldr r0, _0801C1D0 @ =gInput
-	ldrh r1, [r0]
-	movs r0, #2
-	ands r0, r1
-	cmp r0, #0
-	beq _0801C1BE
-	movs r2, #0x6c
-	add r2, r8
-	mov sb, r2
-	ldrh r0, [r2]
-	movs r3, #0x2e
-	ldrsh r1, [r7, r3]
-	ldr r6, _0801C1C8 @ =gUnk_080B7B6C
-	movs r2, #0
-	ldrsb r2, [r6, r2]
-	adds r1, r1, r2
-	ldr r5, _0801C1CC @ =gRoomControls
-	ldrh r2, [r5, #6]
-	subs r1, r1, r2
-	asrs r1, r1, #4
-	movs r4, #0x3f
-	ands r1, r4
-	movs r3, #0x32
-	ldrsh r2, [r7, r3]
-	movs r3, #1
-	ldrsb r3, [r6, r3]
-	adds r2, r2, r3
-	ldrh r3, [r5, #8]
-	subs r2, r2, r3
-	asrs r2, r2, #4
-	ands r2, r4
-	lsls r2, r2, #6
-	orrs r1, r2
-	movs r2, #0x38
-	add r8, r2
-	mov r3, r8
-	ldrb r2, [r3]
-	bl sub_0807B7D8
-	mov r1, sb
-	ldrh r0, [r1]
-	movs r2, #0x2e
-	ldrsh r1, [r7, r2]
-	movs r2, #2
-	ldrsb r2, [r6, r2]
-	adds r1, r1, r2
-	ldrh r2, [r5, #6]
-	subs r1, r1, r2
-	asrs r1, r1, #4
-	ands r1, r4
-	movs r3, #0x32
-	ldrsh r2, [r7, r3]
-	movs r3, #3
-	ldrsb r3, [r6, r3]
-	adds r2, r2, r3
-	ldrh r3, [r5, #8]
-	subs r2, r2, r3
-	asrs r2, r2, #4
-	ands r2, r4
-	lsls r2, r2, #6
-	orrs r1, r2
-	mov r3, r8
-	ldrb r2, [r3]
-	bl sub_0807B7D8
-	mov r1, sb
-	ldrh r0, [r1]
-	movs r2, #0x2e
-	ldrsh r1, [r7, r2]
-	movs r2, #4
-	ldrsb r2, [r6, r2]
-	adds r1, r1, r2
-	ldrh r2, [r5, #6]
-	subs r1, r1, r2
-	asrs r1, r1, #4
-	ands r1, r4
-	movs r3, #0x32
-	ldrsh r2, [r7, r3]
-	movs r3, #5
-	ldrsb r3, [r6, r3]
-	adds r2, r2, r3
-	ldrh r3, [r5, #8]
-	subs r2, r2, r3
-	asrs r2, r2, #4
-	ands r2, r4
-	lsls r2, r2, #6
-	orrs r1, r2
-	mov r3, r8
-	ldrb r2, [r3]
-	bl sub_0807B7D8
-	mov r1, sb
-	ldrh r0, [r1]
-	movs r2, #0x2e
-	ldrsh r1, [r7, r2]
-	movs r2, #6
-	ldrsb r2, [r6, r2]
-	adds r1, r1, r2
-	ldrh r2, [r5, #6]
-	subs r1, r1, r2
-	asrs r1, r1, #4
-	ands r1, r4
-	movs r3, #0x32
-	ldrsh r2, [r7, r3]
-	movs r3, #7
-	ldrsb r3, [r6, r3]
-	adds r2, r2, r3
-	ldrh r3, [r5, #8]
-	subs r2, r2, r3
-	asrs r2, r2, #4
-	ands r2, r4
-	lsls r2, r2, #6
-	orrs r1, r2
-	mov r4, r8
-	ldrb r2, [r4]
-	bl sub_0807B7D8
-_0801C1BE:
-	pop {r3, r4, r5}
-	mov r8, r3
-	mov sb, r4
-	mov sl, r5
-	pop {r4, r5, r6, r7, pc}
-	.align 2, 0
-_0801C1C8: .4byte gUnk_080B7B6C
-_0801C1CC: .4byte gRoomControls
-_0801C1D0: .4byte gInput
-	.syntax divided
diff --git a/assets/assets.json b/assets/assets.json
index 2571a08d..877b59ca 100644
--- a/assets/assets.json
+++ b/assets/assets.json
@@ -20795,11 +20795,6 @@
     "start": 752190,
     "size": 302
   },
-  {
-    "path": "playerItemCellOverwriteSet/gUnk_080B7B6C.bin",
-    "start": 752492,
-    "size": 8
-  },
   {
     "path": "data_080B7B74/gCollisionMtx.bin",
     "start": 752500,
diff --git a/data/const/playerItem/playerItemCellOverwriteSet.s b/data/const/playerItem/playerItemCellOverwriteSet.s
deleted file mode 100644
index 86b7ba22..00000000
--- a/data/const/playerItem/playerItemCellOverwriteSet.s
+++ /dev/null
@@ -1,8 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.section .rodata
-    .align 2
-
-gUnk_080B7B6C:: @ 080B7B6C
-	.incbin "playerItemCellOverwriteSet/gUnk_080B7B6C.bin"
diff --git a/linker.ld b/linker.ld
index 0b57a0d3..f25ebb70 100644
--- a/linker.ld
+++ b/linker.ld
@@ -903,7 +903,7 @@ SECTIONS {
         src/playerItem/playerItemDashSword.o(.rodata);
         src/playerItem/playerItemBottle.o(.rodata);
         data/data_080B7910.o(.rodata);
-        data/const/playerItem/playerItemCellOverwriteSet.o(.rodata);
+        src/playerItem/playerItemCellOverwriteSet.o(.rodata);
         data/data_080B7B74.o(.rodata);
         src/sineTable.o(.rodata);
         data/data_080C93E0.o(.rodata);
diff --git a/src/playerItem/playerItemCellOverwriteSet.c b/src/playerItem/playerItemCellOverwriteSet.c
index d73c655d..20636f7b 100644
--- a/src/playerItem/playerItemCellOverwriteSet.c
+++ b/src/playerItem/playerItemCellOverwriteSet.c
@@ -1,4 +1,73 @@
 #include "entity.h"
+#include "player.h"
+#include "room.h"
+#include "common.h"
+#include "asm.h"
 
-ASM_FUNC("asm/non_matching/playerItemCellOverwriteSet/PlayerItemCellOverwriteSet.inc",
-         void PlayerItemCellOverwriteSet(Entity* this))
+void PlayerItemCellOverwriteSet(Entity* this) {
+    static const s8 gUnk_080B7B6C[] = { 0x0, -0x10, 0x10, 0x0, 0x0, 0x10, -0x10, 0x0 };
+    u32 tmp;
+    Entity* player = &gPlayerEntity;
+
+    if (this->action == 0) {
+        this->field_0x6c.HWORD =
+            GetTileType(TILE(player->x.HALF.HI + gUnk_080B7B6C[player->animationState & 0xe],
+                             player->y.HALF.HI + gUnk_080B7B6C[(player->animationState & 0xe) + 1]),
+                        this->collisionLayer);
+        this->action++;
+    }
+    gPlayerState.mobility |= 0x80;
+    tmp = gInput.heldKeys & R_BUTTON;
+    if ((gInput.heldKeys & A_BUTTON) != 0) {
+        if ((R_BUTTON & gInput.newKeys) != 0) {
+            this->field_0x6c.HWORD =
+                GetTileType(TILE(player->x.HALF.HI + gUnk_080B7B6C[player->animationState & 0xe],
+                                 player->y.HALF.HI + gUnk_080B7B6C[(player->animationState & 0xe) + 1]),
+                            this->collisionLayer);
+        }
+        if ((gInput.heldKeys & R_BUTTON) != 0) {
+            player->iframes = 2;
+        } else {
+            if ((gInput.newKeys & DPAD_RIGHT) != 0) {
+                this->field_0x6c.HWORD--;
+            }
+            if ((gInput.newKeys & DPAD_LEFT) != 0) {
+                this->field_0x6c.HWORD++;
+            }
+            if ((gInput.heldKeys & (DPAD_LEFT | DPAD_RIGHT)) != 0) {
+                if (++this->subtimer > 0x1e) {
+                    this->subtimer = 0x1e;
+                    if ((gInput.heldKeys & DPAD_RIGHT) != 0) {
+                        this->field_0x6c.HWORD--;
+                    }
+                    if ((gInput.heldKeys & DPAD_LEFT) != 0) {
+                        this->field_0x6c.HWORD++;
+                    }
+                }
+            } else {
+                this->subtimer = 0;
+            }
+        }
+    } else {
+        sub_0807B7D8(this->field_0x6c.HWORD,
+                     TILE(player->x.HALF.HI + gUnk_080B7B6C[player->animationState & 0xe],
+                          player->y.HALF.HI + gUnk_080B7B6C[(player->animationState & 0xe) + 1]),
+                     this->collisionLayer);
+        gPlayerState.mobility &= 0x7f;
+        DeleteThisEntity();
+    }
+    if ((gInput.heldKeys & B_BUTTON) != 0) {
+        sub_0807B7D8(this->field_0x6c.HWORD,
+                     TILE(player->x.HALF.HI + gUnk_080B7B6C[0], player->y.HALF.HI + gUnk_080B7B6C[1]),
+                     this->collisionLayer);
+        sub_0807B7D8(this->field_0x6c.HWORD,
+                     TILE(player->x.HALF.HI + gUnk_080B7B6C[2], player->y.HALF.HI + gUnk_080B7B6C[3]),
+                     this->collisionLayer);
+        sub_0807B7D8(this->field_0x6c.HWORD,
+                     TILE(player->x.HALF.HI + gUnk_080B7B6C[4], player->y.HALF.HI + gUnk_080B7B6C[5]),
+                     this->collisionLayer);
+        sub_0807B7D8(this->field_0x6c.HWORD,
+                     TILE(player->x.HALF.HI + gUnk_080B7B6C[6], player->y.HALF.HI + gUnk_080B7B6C[7]),
+                     this->collisionLayer);
+    }
+}