diff --git a/asm/object/object3A.s b/asm/object/object3A.s
deleted file mode 100644
index a884af27..00000000
--- a/asm/object/object3A.s
+++ /dev/null
@@ -1,345 +0,0 @@
-	.include "asm/macros.inc"
-
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-
-	thumb_func_start Object3A
-Object3A: @ 0x0808C69C
-	push {lr}
-	adds r2, r0, #0
-	ldrb r0, [r2, #0xa]
-	cmp r0, #0
-	bne _0808C6BC
-	ldr r0, _0808C6B8 @ =gUnk_08121638
-	ldrb r1, [r2, #0xc]
-	lsls r1, r1, #2
-	adds r1, r1, r0
-	ldr r1, [r1]
-	adds r0, r2, #0
-	bl _call_via_r1
-	b _0808C6CC
-	.align 2, 0
-_0808C6B8: .4byte gUnk_08121638
-_0808C6BC:
-	ldr r0, _0808C6D0 @ =gUnk_08121640
-	ldrb r1, [r2, #0xc]
-	lsls r1, r1, #2
-	adds r1, r1, r0
-	ldr r1, [r1]
-	adds r0, r2, #0
-	bl _call_via_r1
-_0808C6CC:
-	pop {pc}
-	.align 2, 0
-_0808C6D0: .4byte gUnk_08121640
-
-	thumb_func_start sub_0808C6D4
-sub_0808C6D4: @ 0x0808C6D4
-	push {r4, r5, lr}
-	adds r5, r0, #0
-	ldrb r1, [r5, #0xb]
-	lsls r0, r1, #2
-	adds r0, r0, r1
-	lsls r0, r0, #2
-	ldr r1, _0808C744 @ =gUnk_081215E8
-	adds r4, r0, r1
-	ldrh r0, [r4, #4]
-	adds r1, r5, #0
-	adds r1, #0x86
-	strh r0, [r1]
-	ldrh r0, [r4, #6]
-	subs r1, #1
-	strb r0, [r1]
-	ldrh r1, [r4, #8]
-	adds r0, r5, #0
-	adds r0, #0x84
-	strb r1, [r0]
-	ldrh r0, [r4, #0xa]
-	adds r1, r5, #0
-	adds r1, #0x83
-	strb r0, [r1]
-	ldrh r0, [r4, #0xc]
-	subs r1, #1
-	strb r0, [r1]
-	ldrh r0, [r4, #0xe]
-	subs r1, #1
-	strb r0, [r1]
-	ldr r0, _0808C748 @ =gScreen
-	adds r0, #0x60
-	ldrh r1, [r0]
-	movs r0, #0xff
-	lsls r0, r0, #8
-	ands r0, r1
-	ldrh r1, [r4, #0x10]
-	orrs r0, r1
-	ldrh r1, [r4, #0x12]
-	bl sub_0801E1B8
-	movs r0, #1
-	strb r0, [r5, #0xc]
-	adds r0, r5, #0
-	bl sub_0808C74C
-	ldrh r2, [r4]
-	movs r0, #0x3a
-	movs r1, #1
-	bl CreateObject
-	cmp r0, #0
-	beq _0808C742
-	ldrh r1, [r4, #2]
-	adds r0, #0x6a
-	strh r1, [r0]
-_0808C742:
-	pop {r4, r5, pc}
-	.align 2, 0
-_0808C744: .4byte gUnk_081215E8
-_0808C748: .4byte gScreen
-
-	thumb_func_start sub_0808C74C
-sub_0808C74C: @ 0x0808C74C
-	push {r4, r5, r6, lr}
-	adds r4, r0, #0
-	ldr r3, [r4, #0x50]
-	cmp r3, #0
-	beq _0808C76C
-	ldr r2, _0808C768 @ =gRoomControls
-	ldrh r0, [r3, #0x2e]
-	ldrh r1, [r2, #0xa]
-	subs r0, r0, r1
-	strh r0, [r4, #0x2e]
-	ldrh r0, [r3, #0x32]
-	ldrh r1, [r2, #0xc]
-	subs r0, r0, r1
-	b _0808C772
-	.align 2, 0
-_0808C768: .4byte gRoomControls
-_0808C76C:
-	movs r0, #0x78
-	strh r0, [r4, #0x2e]
-	movs r0, #0x50
-_0808C772:
-	strh r0, [r4, #0x32]
-	adds r5, r4, #0
-	adds r5, #0x86
-	movs r1, #0
-	ldrsh r0, [r5, r1]
-	cmp r0, #0
-	bge _0808C79C
-	movs r2, #0x2e
-	ldrsh r0, [r4, r2]
-	movs r3, #0x32
-	ldrsh r1, [r4, r3]
-	movs r2, #0
-	movs r3, #0
-	bl sub_0801E49C
-	ldr r1, _0808C83C @ =gUnk_02036BB8
-	movs r0, #1
-	str r0, [r1]
-	adds r0, r4, #0
-	bl sub_0808C840
-_0808C79C:
-	movs r6, #0
-	ldrsh r0, [r5, r6]
-	movs r2, #0xfa
-	lsls r2, r2, #1
-	cmp r0, r2
-	ble _0808C7C2
-	movs r1, #0x2e
-	ldrsh r0, [r4, r1]
-	movs r3, #0x32
-	ldrsh r1, [r4, r3]
-	movs r3, #0
-	bl sub_0801E49C
-	ldr r1, _0808C83C @ =gUnk_02036BB8
-	movs r0, #1
-	str r0, [r1]
-	adds r0, r4, #0
-	bl sub_0808C840
-_0808C7C2:
-	adds r1, r4, #0
-	adds r1, #0x85
-	movs r0, #0
-	ldrsb r0, [r1, r0]
-	ldrh r6, [r5]
-	adds r0, r0, r6
-	strh r0, [r5]
-	adds r0, r4, #0
-	adds r0, #0x84
-	ldrb r0, [r0]
-	ldrb r2, [r1]
-	adds r0, r0, r2
-	strb r0, [r1]
-	lsls r0, r0, #0x18
-	asrs r0, r0, #0x18
-	cmp r0, #0x10
-	ble _0808C7E8
-	movs r0, #0x10
-	strb r0, [r1]
-_0808C7E8:
-	movs r0, #0
-	ldrsb r0, [r1, r0]
-	movs r2, #0x10
-	rsbs r2, r2, #0
-	cmp r0, r2
-	bge _0808C7F6
-	strb r2, [r1]
-_0808C7F6:
-	adds r3, r4, #0
-	adds r3, #0x83
-	adds r1, r4, #0
-	adds r1, #0x82
-	ldrb r0, [r1]
-	ldrb r6, [r3]
-	adds r0, r0, r6
-	strb r0, [r3]
-	adds r0, r4, #0
-	adds r0, #0x81
-	ldrb r0, [r0]
-	ldrb r6, [r1]
-	adds r0, r0, r6
-	strb r0, [r1]
-	lsls r0, r0, #0x18
-	asrs r0, r0, #0x18
-	cmp r0, #0x10
-	ble _0808C81E
-	movs r0, #0x10
-	strb r0, [r1]
-_0808C81E:
-	movs r0, #0
-	ldrsb r0, [r1, r0]
-	cmp r0, r2
-	bge _0808C828
-	strb r2, [r1]
-_0808C828:
-	movs r1, #0x2e
-	ldrsh r0, [r4, r1]
-	movs r2, #0x32
-	ldrsh r1, [r4, r2]
-	movs r4, #0
-	ldrsh r2, [r5, r4]
-	ldrb r3, [r3]
-	bl sub_0801E49C
-	pop {r4, r5, r6, pc}
-	.align 2, 0
-_0808C83C: .4byte gUnk_02036BB8
-
-	thumb_func_start sub_0808C840
-sub_0808C840: @ 0x0808C840
-	push {lr}
-	ldr r0, _0808C854 @ =gScreen
-	adds r0, #0x66
-	movs r1, #0
-	strh r1, [r0]
-	bl sub_0801E104
-	bl DeleteThisEntity
-	pop {pc}
-	.align 2, 0
-_0808C854: .4byte gScreen
-
-	thumb_func_start sub_0808C858
-sub_0808C858: @ 0x0808C858
-	push {lr}
-	adds r2, r0, #0
-	ldrb r1, [r2, #0xb]
-	movs r0, #2
-	ands r0, r1
-	cmp r0, #0
-	beq _0808C878
-	ldr r1, _0808C870 @ =gScreen
-	adds r3, r1, #0
-	adds r3, #0x66
-	ldr r0, _0808C874 @ =0x00003FBF
-	b _0808C880
-	.align 2, 0
-_0808C870: .4byte gScreen
-_0808C874: .4byte 0x00003FBF
-_0808C878:
-	ldr r1, _0808C898 @ =gScreen
-	adds r3, r1, #0
-	adds r3, #0x66
-	ldr r0, _0808C89C @ =0x00003FFF
-_0808C880:
-	strh r0, [r3]
-	adds r3, r1, #0
-	ldrb r1, [r2, #0xb]
-	movs r0, #1
-	ands r0, r1
-	cmp r0, #0
-	beq _0808C8A0
-	adds r1, r3, #0
-	adds r1, #0x6a
-	movs r0, #0
-	b _0808C8A6
-	.align 2, 0
-_0808C898: .4byte gScreen
-_0808C89C: .4byte 0x00003FFF
-_0808C8A0:
-	adds r1, r3, #0
-	adds r1, #0x6a
-	movs r0, #0x10
-_0808C8A6:
-	strh r0, [r1]
-	movs r0, #1
-	strb r0, [r2, #0xc]
-	adds r1, r2, #0
-	adds r1, #0x68
-	adds r0, #0xff
-	strh r0, [r1]
-	pop {pc}
-	.align 2, 0
-
-	thumb_func_start sub_0808C8B8
-sub_0808C8B8: @ 0x0808C8B8
-	push {lr}
-	adds r3, r0, #0
-	adds r2, r3, #0
-	adds r2, #0x68
-	adds r1, r3, #0
-	adds r1, #0x6a
-	ldrh r0, [r2]
-	ldrh r1, [r1]
-	subs r0, r0, r1
-	strh r0, [r2]
-	lsls r0, r0, #0x10
-	cmp r0, #0
-	bge _0808C8D6
-	movs r0, #0
-	strh r0, [r2]
-_0808C8D6:
-	ldrb r1, [r3, #0xb]
-	movs r0, #1
-	ands r0, r1
-	cmp r0, #0
-	beq _0808C8F8
-	ldr r0, _0808C8F4 @ =gScreen
-	ldrh r1, [r2]
-	lsls r1, r1, #0x10
-	asrs r1, r1, #0x14
-	movs r2, #0x10
-	subs r2, r2, r1
-	adds r0, #0x6a
-	strh r2, [r0]
-	b _0808C904
-	.align 2, 0
-_0808C8F4: .4byte gScreen
-_0808C8F8:
-	ldr r1, _0808C918 @ =gScreen
-	ldrh r0, [r2]
-	lsls r0, r0, #0x10
-	asrs r0, r0, #0x14
-	adds r1, #0x6a
-	strh r0, [r1]
-_0808C904:
-	adds r0, r3, #0
-	adds r0, #0x68
-	movs r1, #0
-	ldrsh r0, [r0, r1]
-	cmp r0, #0
-	bne _0808C914
-	bl DeleteThisEntity
-_0808C914:
-	pop {pc}
-	.align 2, 0
-_0808C918: .4byte gScreen
diff --git a/assets/assets.json b/assets/assets.json
index 7f4aafe6..cfeb7adf 100644
--- a/assets/assets.json
+++ b/assets/assets.json
@@ -43382,6 +43382,11 @@
     "start": 1185352,
     "size": 32
   },
+  {
+    "path": "macroPlayer/gUnk_081216B4.bin",
+    "start": 1185460,
+    "size": 8
+  },
   {
     "path": "object3D/gUnk_081216C8_EU.bin",
     "variants": [
diff --git a/data/const/object/object3A.s b/data/const/object/object3A.s
deleted file mode 100644
index f8a65564..00000000
--- a/data/const/object/object3A.s
+++ /dev/null
@@ -1,19 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.section .rodata
-    .align 2
-
-gUnk_081215E8:: @ 081215E8
-	.incbin "object3A/gUnk_081215E8.bin"
-
-gUnk_08121638:: @ 08121638
-	.4byte sub_0808C6D4
-	.4byte sub_0808C74C
-
-gUnk_08121640:: @ 08121640
-	.4byte sub_0808C858
-	.4byte sub_0808C8B8
-
-gUnk_08121648:: @ 08121648
-	.incbin "object3A/gUnk_08121648.bin"
diff --git a/include/object.h b/include/object.h
index ce3bbaa8..ca0622a3 100644
--- a/include/object.h
+++ b/include/object.h
@@ -284,7 +284,7 @@ void Object36(Entity*);
 void Object37(Entity*);
 void JarPortal(Entity*);
 void BossDoor();
-void Object3A(Entity*);
+void Object3A();
 void MacroMushromStalks(Entity*);
 void MacroPlayer(Entity*);
 void Object3D(Entity*);
diff --git a/linker.ld b/linker.ld
index d09260d4..1038d549 100644
--- a/linker.ld
+++ b/linker.ld
@@ -678,7 +678,7 @@ SECTIONS {
         asm/object/object37.o(.text);
         src/object/jarPortal.o(.text);
         src/object/bossDoor.o(.text);
-        asm/object/object3A.o(.text);
+        src/object/object3A.o(.text);
         src/object/macroMushroomStalks.o(.text);
         asm/object/object75.o(.text); /* 75 and 76 are mislocated in object table */
         asm/object/object76.o(.text);
@@ -1412,7 +1412,7 @@ SECTIONS {
         data/animations/object/jarPortal.o(.rodata);
         src/object/bossDoor.o(.rodata);
         data/animations/object/bossDoor.o(.rodata);
-        data/const/object/object3A.o(.rodata);
+        src/object/object3A.o(.rodata);
         src/object/macroMushroomStalks.o(.rodata);
         data/const/object/object75.o(.rodata);
         data/const/object/object76.o(.rodata);
diff --git a/src/object/object3A.c b/src/object/object3A.c
new file mode 100644
index 00000000..568712f6
--- /dev/null
+++ b/src/object/object3A.c
@@ -0,0 +1,164 @@
+/**
+ * @file object3A.c
+ * @ingroup Objects
+ *
+ * @brief Object3A object
+ */
+
+#define NENT_DEPRECATED
+#include "global.h"
+#include "object.h"
+#include "functions.h"
+#include "screen.h"
+
+typedef struct {
+    /*0x00*/ Entity base;
+    /*0x68*/ u16 unk_68;
+    /*0x6a*/ u16 unk_6a;
+    /*0x6c*/ u8 unk_6c[0x15];
+    /*0x81*/ u8 unk_81;
+    /*0x82*/ s8 unk_82;
+    /*0x83*/ u8 unk_83;
+    /*0x84*/ u8 unk_84;
+    /*0x85*/ s8 unk_85;
+    /*0x86*/ s16 unk_86;
+} Object3AEntity;
+
+typedef struct {
+    u16 unk_0;
+    u16 unk_1;
+    u16 unk_2;
+    s16 unk_3;
+    u16 unk_4;
+    u16 unk_5;
+    s16 unk_6;
+    u16 unk_7;
+    u16 unk_8;
+    u16 unk_9;
+} struct_081215E8;
+
+extern void sub_0801E49C(u32, u32, u32, u32);
+extern bool32 gUnk_02036BB8;
+
+void sub_0808C6D4(Object3AEntity*);
+void sub_0808C74C(Object3AEntity*);
+void sub_0808C858(Object3AEntity*);
+void sub_0808C8B8(Object3AEntity*);
+void sub_0808C840(Object3AEntity*);
+
+const struct_081215E8 gUnk_081215E8[] = {
+    { 5, 4, 280, -6, 0, 0, -8, 0, 31, 63 },
+    { 6, 2, 0, 4, 0, 0, 8, 0, 63, 31 },
+    { 7, 4, 0, 4, 0, 0, -6, 0, 63, 31 },
+    { 6, 2, 0, 16, 0, 0, 16, 0, 63, 31 },
+};
+
+void Object3A(Object3AEntity* this) {
+    static void (*const gUnk_08121638[])(Object3AEntity*) = {
+        sub_0808C6D4,
+        sub_0808C74C,
+    };
+    static void (*const gUnk_08121640[])(Object3AEntity*) = {
+        sub_0808C858,
+        sub_0808C8B8,
+    };
+
+    if (super->type == 0) {
+        gUnk_08121638[super->action](this);
+    } else {
+        gUnk_08121640[super->action](this);
+    }
+}
+
+void sub_0808C6D4(Object3AEntity* this) {
+    Object3AEntity* obj;
+    const struct_081215E8* ptr = &gUnk_081215E8[super->type2];
+    this->unk_86 = ptr->unk_2;
+    this->unk_85 = ptr->unk_3;
+    this->unk_84 = ptr->unk_4;
+    this->unk_83 = ptr->unk_5;
+    this->unk_82 = ptr->unk_6;
+    this->unk_81 = ptr->unk_7;
+    sub_0801E1B8((gScreen.controls.windowInsideControl & 0xff00) | ptr->unk_8, ptr->unk_9);
+    super->action = 1;
+    sub_0808C74C(this);
+    obj = (Object3AEntity*)CreateObject(OBJECT_3A, 1, ptr->unk_0);
+    if (obj != NULL) {
+        obj->unk_6a = ptr->unk_1;
+    }
+}
+
+void sub_0808C74C(Object3AEntity* this) {
+    if (super->parent != NULL) {
+        super->x.HALF.HI = super->parent->x.HALF.HI - gRoomControls.scroll_x;
+        super->y.HALF.HI = super->parent->y.HALF.HI - gRoomControls.scroll_y;
+    } else {
+        super->x.HALF.HI = 0x78;
+        super->y.HALF.HI = 0x50;
+    }
+    if (this->unk_86 < 0) {
+        sub_0801E49C(super->x.HALF.HI, super->y.HALF.HI, 0, 0);
+        gUnk_02036BB8 = TRUE;
+        sub_0808C840(this);
+    }
+    if (this->unk_86 > 500) {
+        sub_0801E49C(super->x.HALF.HI, super->y.HALF.HI, 500, 0);
+        gUnk_02036BB8 = 1;
+        sub_0808C840(this);
+    }
+    this->unk_86 += this->unk_85;
+    this->unk_85 += this->unk_84;
+    if (this->unk_85 > 0x10) {
+        this->unk_85 = 0x10;
+    }
+    if (this->unk_85 < -0x10) {
+        this->unk_85 = 0xf0;
+    }
+    this->unk_83 += this->unk_82;
+    this->unk_82 += this->unk_81;
+    if (this->unk_82 > 0x10) {
+        this->unk_82 = 0x10;
+    }
+    if (this->unk_82 < -0x10) {
+        this->unk_82 = -0x10;
+    }
+    sub_0801E49C(super->x.HALF.HI, super->y.HALF.HI, this->unk_86, this->unk_83);
+}
+
+void sub_0808C840(Object3AEntity* this) {
+    gScreen.controls.layerFXControl = 0;
+    sub_0801E104();
+    DeleteThisEntity();
+}
+
+void sub_0808C858(Object3AEntity* this) {
+    if ((super->type2 & 2) != 0) {
+        gScreen.controls.layerFXControl = 0x3fbf;
+    } else {
+        gScreen.controls.layerFXControl = 0x3fff;
+    }
+    if ((super->type2 & 1) != 0) {
+        gScreen.controls.layerBrightness = 0;
+    } else {
+        gScreen.controls.layerBrightness = 0x10;
+    }
+    super->action = 1;
+    this->unk_68 = 0x100;
+}
+
+void sub_0808C8B8(Object3AEntity* this) {
+    s32 tmp = this->unk_68 -= this->unk_6a;
+    if (tmp * 0x10000 < 0) {
+        this->unk_68 = 0;
+    }
+    if ((super->type2 & 1) != 0) {
+        gScreen.controls.layerBrightness = 0x10 - ((s16)this->unk_68 >> 4);
+    } else {
+        gScreen.controls.layerBrightness = (s16)this->unk_68 >> 4;
+    }
+    if ((s16)this->unk_68 == 0) {
+        DeleteThisEntity();
+    }
+}
+
+const u16 gUnk_08121648[] = { 264, 252, 256, 256, 248, 260, 240, 264, 248, 260, 256, 256, 264, 252, 272, 248 };