diff --git a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/BitArithemetic.cs b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/BitArithemetic.cs
index 125e457b..93df80f0 100644
--- a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/BitArithemetic.cs
+++ b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/BitArithemetic.cs
@@ -2,7 +2,7 @@ using System;
 
 namespace cpu.m68000
 {
-    partial class MC68000
+    unsafe partial class MC68000
     {
         //void AND0() // AND <ea>, Dn
         //{
diff --git a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/DataMovement.cs b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/DataMovement.cs
index 27ade5bc..57b1e930 100644
--- a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/DataMovement.cs
+++ b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/DataMovement.cs
@@ -3,7 +3,7 @@ using System.Text;
 
 namespace cpu.m68000
 {
-    partial class MC68000
+    unsafe partial class MC68000
     {
         void MOVE()
         {
diff --git a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/IntegerMath.cs b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/IntegerMath.cs
index 947f82c3..7ef8ab2a 100644
--- a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/IntegerMath.cs
+++ b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/IntegerMath.cs
@@ -2,7 +2,7 @@ using System;
 
 namespace cpu.m68000
 {
-    partial class MC68000
+    unsafe partial class MC68000
     {
         void ADD0()
         {
diff --git a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/ProgramFlow.cs b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/ProgramFlow.cs
index 413fa95f..9a590d26 100644
--- a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/ProgramFlow.cs
+++ b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/ProgramFlow.cs
@@ -2,7 +2,7 @@ using System;
 
 namespace cpu.m68000
 {
-    partial class MC68000
+    unsafe partial class MC68000
     {
         bool TestCondition(int condition)
         {
diff --git a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/Supervisor.cs b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/Supervisor.cs
index 147218e4..9742a776 100644
--- a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/Supervisor.cs
+++ b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Instructions/Supervisor.cs
@@ -2,7 +2,7 @@ using System;
 
 namespace cpu.m68000
 {
-    partial class MC68000
+    unsafe partial class MC68000
     {
         unsafe void MOVEtSR()
         {
diff --git a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/MC68000.cs b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/MC68000.cs
index 05cce057..444246e3 100644
--- a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/MC68000.cs
+++ b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/MC68000.cs
@@ -9,45 +9,45 @@ namespace cpu.m68000
     {
         public static MC68000 m1;
         // Machine State
-        public Register[] D = new Register[8];
+        //public Register[] D = new Register[8];
 
-        //#region //指针化 D
-        //static Register[] D_src;
-        //static GCHandle D_handle;
-        //public static Register* D;
-        //public static int DLength;
-        //public static bool D_IsNull => D == null;
-        //public static Register[] D_set
-        //{
-        //    set
-        //    {
-        //        D_handle.ReleaseGCHandle();
-        //        D_src = value;
-        //        DLength = value.Length;
-        //        D_src.GetObjectPtr(ref D_handle, ref D);
-        //    }
-        //}
-        //#endregion
+        #region //指针化 D
+        Register[] D_src;
+        GCHandle D_handle;
+        public Register* D;
+        public int DLength;
+        public bool D_IsNull => D == null;
+        public Register[] D_set
+        {
+            set
+            {
+                D_handle.ReleaseGCHandle();
+                D_src = value;
+                DLength = value.Length;
+                D_src.GetObjectPtr(ref D_handle, ref D);
+            }
+        }
+        #endregion
 
-        public Register[] A = new Register[8];
+        //public Register[] A = new Register[8];
 
-        //#region //指针化 A
-        //static Register[] A_src;
-        //static GCHandle A_handle;
-        //public static Register* A;
-        //public static int ALength;
-        //public static bool A_IsNull => A == null;
-        //public static Register[] A_set
-        //{
-        //    set
-        //    {
-        //        A_handle.ReleaseGCHandle();
-        //        A_src = value;
-        //        ALength = value.Length;
-        //        A_src.GetObjectPtr(ref A_handle, ref A);
-        //    }
-        //}
-        //#endregion
+        #region //指针化 A
+        Register[] A_src;
+        GCHandle A_handle;
+        public Register* A;
+        public int ALength;
+        public bool A_IsNull => A == null;
+        public Register[] A_set
+        {
+            set
+            {
+                A_handle.ReleaseGCHandle();
+                A_src = value;
+                ALength = value.Length;
+                A_src.GetObjectPtr(ref A_handle, ref A);
+            }
+        }
+        #endregion
 
         public int PC, PPC;
         private ulong totalExecutedCycles;
@@ -201,6 +201,8 @@ namespace cpu.m68000
 
         public MC68000()
         {
+            A_set = new Register[8];
+            D_set = new Register[8];
             //还是使用Action[]吧
             BuildOpcodeTable();
         }
diff --git a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Memory.cs b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Memory.cs
index 969e1dc9..e8736eeb 100644
--- a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Memory.cs
+++ b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/cpu/m68000/Memory.cs
@@ -2,7 +2,7 @@
 
 namespace cpu.m68000
 {
-    partial class MC68000
+    unsafe partial class MC68000
     {
         sbyte ReadValueB(int mode, int reg)
         {
diff --git a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/emu/Memory.cs b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/emu/Memory.cs
index 3704a1f9..47f1c9e8 100644
--- a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/emu/Memory.cs
+++ b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/emu/Memory.cs
@@ -418,6 +418,12 @@ namespace MAME.Core
             set_TempBuffer = new byte[0x40000];
         }
 
+        public static void GetObjectPtr(this object srcObj, ref GCHandle handle, ref cpu.m68000.Register* ptr)
+        {
+            IntPtr intptr;
+            GetObjectPtr(srcObj, ref handle, out intptr);
+            ptr = (cpu.m68000.Register*)intptr;
+        }
         public static void GetObjectPtr(this object srcObj, ref GCHandle handle, ref uint* ptr)
         {
             IntPtr intptr;