diff --git a/compile_flags.txt b/compile_flags.txt
new file mode 100644
index 00000000..2f50b1fc
--- /dev/null
+++ b/compile_flags.txt
@@ -0,0 +1,4 @@
+-I
+include
+-I
+include/lib
diff --git a/include/game/bases/d_coin.hpp b/include/game/bases/d_coin.hpp
new file mode 100644
index 00000000..db5443ed
--- /dev/null
+++ b/include/game/bases/d_coin.hpp
@@ -0,0 +1,17 @@
+#pragma once
+#include <game/mLib/m_angle.hpp>
+#include <types.h>
+
+class dCoin_c {
+public:
+    static int execute();
+private:
+    static mAng3_c m_shapeAngle;
+    static mAng3_c m_h_shapeAngle;
+    static u8 m_frame;
+    static u8 m_ptn_no;
+    static u8 m_h_ptn_no;
+    static u8 m_h_ptn_time;
+    static u8 m_b_ptn_no;
+    static u8 m_b_ptn_time;
+};
diff --git a/slices/wiimj2d.json b/slices/wiimj2d.json
index 2cf1a16d..6c0149ff 100644
--- a/slices/wiimj2d.json
+++ b/slices/wiimj2d.json
@@ -205,6 +205,15 @@
                 ".sdata2": "0xf80-0xfa0"
             }
         },
+        {
+            "source": "dol/bases/d_coin.cpp",
+            "memoryRanges": {
+                ".text": "0x87750-0x87870",
+                ".ctors": "0xc8-0xcc",
+                ".sbss": "0x2c0-0x2d8",
+                ".sdata2": "0xfa0-0xfa8"
+            }
+        },
         {
             "source": "dol/bases/d_cd.cpp",
             "memoryRanges": {
diff --git a/source/dol/bases/d_coin.cpp b/source/dol/bases/d_coin.cpp
new file mode 100644
index 00000000..3c0afa51
--- /dev/null
+++ b/source/dol/bases/d_coin.cpp
@@ -0,0 +1,58 @@
+#include "game/mLib/m_angle.hpp"
+#include <game/bases/d_coin.hpp>
+#include <types.h>
+
+mAng3_c dCoin_c::m_shapeAngle;
+mAng3_c dCoin_c::m_h_shapeAngle;
+u8 dCoin_c::m_frame;
+u8 dCoin_c::m_ptn_no;
+u8 dCoin_c::m_h_ptn_no;
+u8 dCoin_c::m_h_ptn_time;
+u8 dCoin_c::m_b_ptn_no;
+u8 dCoin_c::m_b_ptn_time;
+
+int dCoin_c::execute() {
+    static const u8 l_h_block_time[] = {12, 8, 8, 8};
+    static const u8 l_b_block_time[] = {50, 6, 6, 6};
+
+    m_ptn_no = (m_frame >> 3) & 0xFF;
+
+    if (m_ptn_no >= 4) {
+        m_ptn_no -= 4;
+    }
+
+    m_shapeAngle.y = m_frame << 10;
+    m_frame++;
+    
+    if (m_frame >= 0x40) {
+        m_frame = 0;
+    }
+
+    m_h_ptn_time -= 1;
+
+    if (m_h_ptn_time == 0) {
+        m_h_ptn_no += 1;
+        if (m_h_ptn_no >= 4) {
+            m_h_ptn_no = 0;
+            m_h_shapeAngle.y = ((s16)m_h_shapeAngle.y + 0x3fff) & 0xc000;
+        }
+
+        m_h_ptn_time = l_h_block_time[m_h_ptn_no];
+    }
+
+    if (m_h_ptn_no != 0) {
+        m_h_shapeAngle.y += 0x2aa;
+    }
+
+    m_b_ptn_time -= 1;
+    if (m_b_ptn_time == 0) {
+        m_b_ptn_no += 1;
+        if (m_b_ptn_no >= 4) {
+            m_b_ptn_no = 0;
+        }
+
+        m_b_ptn_time = l_b_block_time[m_b_ptn_no];
+    }
+
+    return 1;
+}