diff --git a/Source/Project64-core/N64System/Mips/Dma.cpp b/Source/Project64-core/N64System/Mips/Dma.cpp
index 7720e417d..5a5ba3794 100644
--- a/Source/Project64-core/N64System/Mips/Dma.cpp
+++ b/Source/Project64-core/N64System/Mips/Dma.cpp
@@ -34,6 +34,7 @@ void CDMA::OnFirstDMA()
     {
     case CIC_NUS_6101:  offset = +0x0318; break;
     case CIC_NUS_5167:  offset = +0x0318; break;
+    case CIC_NUS_8303:  offset = +0x0318; break;
     case CIC_UNKNOWN:
     case CIC_NUS_6102:  offset = +0x0318; break;
     case CIC_NUS_6103:  offset = +0x0318; break;
@@ -75,7 +76,7 @@ void CDMA::PI_DMA_READ()
         uint8_t * ROM = g_Rom->GetRomAddress();
         uint8_t * RDRAM = g_MMU->Rdram();
 
-		ProtectMemory(ROM, g_Rom->GetRomSize(), MEM_READWRITE);
+        ProtectMemory(ROM, g_Rom->GetRomSize(), MEM_READWRITE);
         g_Reg->PI_CART_ADDR_REG -= 0x10000000;
         if (g_Reg->PI_CART_ADDR_REG + PI_RD_LEN_REG < g_Rom->GetRomSize())
         {
@@ -105,7 +106,7 @@ void CDMA::PI_DMA_READ()
             g_Recompiler->ClearRecompCode_Phys(g_Reg->PI_DRAM_ADDR_REG, g_Reg->PI_WR_LEN_REG, CRecompiler::Remove_DMA);
         }
 
-		ProtectMemory(ROM, g_Rom->GetRomSize(), MEM_READONLY);
+        ProtectMemory(ROM, g_Rom->GetRomSize(), MEM_READONLY);
 
         g_Reg->PI_STATUS_REG &= ~PI_STATUS_DMA_BUSY;
         g_Reg->MI_INTR_REG |= MI_INTR_PI;
@@ -181,6 +182,75 @@ void CDMA::PI_DMA_WRITE()
         return;
     }
 
+    //64DD IPL ROM
+    if (g_Reg->PI_CART_ADDR_REG >= 0x06000000 && g_Reg->PI_CART_ADDR_REG <= 0x063FFFFF)
+    {
+        uint32_t i;
+
+#ifdef legacycode
+#ifdef ROM_IN_MAPSPACE
+        if (WrittenToRom)
+        {
+            uint32_t OldProtect;
+            VirtualProtect(ROM, m_RomFileSize, PAGE_READONLY, &OldProtect);
+        }
+#endif
+#endif
+
+        uint8_t * ROM = g_DDRom->GetRomAddress();
+        uint8_t * RDRAM = g_MMU->Rdram();
+        g_Reg->PI_CART_ADDR_REG -= 0x06000000;
+        if (g_Reg->PI_CART_ADDR_REG + PI_WR_LEN_REG < g_DDRom->GetRomSize())
+        {
+            for (i = 0; i < PI_WR_LEN_REG; i++)
+            {
+                *(RDRAM + ((g_Reg->PI_DRAM_ADDR_REG + i) ^ 3)) = *(ROM + ((g_Reg->PI_CART_ADDR_REG + i) ^ 3));
+            }
+        }
+        else if (g_Reg->PI_CART_ADDR_REG >= g_DDRom->GetRomSize())
+        {
+            uint32_t cart = g_Reg->PI_CART_ADDR_REG - g_DDRom->GetRomSize();
+            while (cart >= g_DDRom->GetRomSize())
+            {
+                cart -= g_DDRom->GetRomSize();
+            }
+            for (i = 0; i < PI_WR_LEN_REG; i++)
+            {
+                *(RDRAM + ((g_Reg->PI_DRAM_ADDR_REG + i) ^ 3)) = *(ROM + ((cart + i) ^ 3));
+            }
+        }
+        else
+        {
+            uint32_t Len;
+            Len = g_DDRom->GetRomSize() - g_Reg->PI_CART_ADDR_REG;
+            for (i = 0; i < Len; i++)
+            {
+                *(RDRAM + ((g_Reg->PI_DRAM_ADDR_REG + i) ^ 3)) = *(ROM + ((g_Reg->PI_CART_ADDR_REG + i) ^ 3));
+            }
+            for (i = Len; i < PI_WR_LEN_REG - Len; i++)
+            {
+                *(RDRAM + ((g_Reg->PI_DRAM_ADDR_REG + i) ^ 3)) = 0;
+            }
+        }
+        g_Reg->PI_CART_ADDR_REG += 0x06000000;
+
+        if (!g_System->DmaUsed())
+        {
+            g_System->SetDmaUsed(true);
+            OnFirstDMA();
+        }
+        if (g_Recompiler && g_System->bSMM_PIDMA())
+        {
+            g_Recompiler->ClearRecompCode_Phys(g_Reg->PI_DRAM_ADDR_REG, g_Reg->PI_WR_LEN_REG, CRecompiler::Remove_DMA);
+        }
+        g_Reg->PI_STATUS_REG &= ~PI_STATUS_DMA_BUSY;
+        g_Reg->MI_INTR_REG |= MI_INTR_PI;
+        g_Reg->CheckInterrupts();
+        //ChangeTimer(PiTimer,(int32_t)(PI_WR_LEN_REG * 8.9) + 50);
+        //ChangeTimer(PiTimer,(int32_t)(PI_WR_LEN_REG * 8.9));
+        return;
+    }
+
     if (g_Reg->PI_CART_ADDR_REG >= 0x08000000 && g_Reg->PI_CART_ADDR_REG <= 0x08088000)
     {
         if (g_System->m_SaveUsing == SaveChip_Auto)
diff --git a/Source/Project64-core/N64System/Mips/MemoryVirtualMem.cpp b/Source/Project64-core/N64System/Mips/MemoryVirtualMem.cpp
index 518f6d856..72e742ac2 100644
--- a/Source/Project64-core/N64System/Mips/MemoryVirtualMem.cpp
+++ b/Source/Project64-core/N64System/Mips/MemoryVirtualMem.cpp
@@ -194,6 +194,33 @@ bool CMipsMemoryVM::Initialize()
         m_Rom = g_Rom->GetRomAddress();
         m_RomSize = g_Rom->GetRomSize();
     }
+
+    //64DD IPL
+    if (g_DDRom != NULL)
+    {
+        if (g_Settings->LoadBool(Game_LoadRomToMemory))
+        {
+            m_DDRomMapped = true;
+            m_DDRom = m_RDRAM + 0x06000000;
+            m_DDRomSize = g_DDRom->GetRomSize();
+            if (CommitMemory(m_DDRom, g_DDRom->GetRomSize(), MEM_READWRITE) == NULL)
+            {
+                WriteTrace(TraceN64System, TraceError, "Failed to Allocate Rom (Size: 0x%X)", g_DDRom->GetRomSize());
+                FreeMemory();
+                return false;
+            }
+            memcpy(m_DDRom, g_DDRom->GetRomAddress(), g_DDRom->GetRomSize());
+
+            ::ProtectMemory(m_DDRom, g_DDRom->GetRomSize(), MEM_READONLY);
+        }
+        else
+        {
+            m_DDRomMapped = false;
+            m_DDRom = g_DDRom->GetRomAddress();
+            m_DDRomSize = g_DDRom->GetRomSize();
+        }
+    }
+    
     CPifRam::Reset();
 
     m_TLB_ReadMap = new size_t[0x100000];
@@ -928,6 +955,12 @@ void  CMipsMemoryVM::Compile_LW(x86Reg Reg, uint32_t VAddr)
                 sprintf(VarName, "m_RDRAM + %X", PAddr);
                 MoveVariableToX86reg(PAddr + m_RDRAM, VarName, Reg);
             }
+            else if ((PAddr & 0xFF000000) == 0x06000000 && (PAddr - 0x06000000) < m_DDRomSize)
+            {
+                // read from ddrom
+                sprintf(VarName, "m_RDRAM + %X", PAddr);
+                MoveVariableToX86reg(PAddr + m_RDRAM, VarName, Reg);
+            }
             else
             {
                 MoveConstToX86reg(((PAddr & 0xFFFF) << 16) | (PAddr & 0xFFFF), Reg);
@@ -4682,8 +4715,16 @@ void CMipsMemoryVM::Load32SerialInterface(void)
 
 void CMipsMemoryVM::Load32CartridgeDomain1Address1(void)
 {
-    m_MemLookupValue.UW[0] = m_MemLookupAddress & 0xFFFF;
-    m_MemLookupValue.UW[0] = (m_MemLookupValue.UW[0] << 16) | m_MemLookupValue.UW[0];
+    //64DD IPL ROM
+    if (g_DDRom != NULL && (m_MemLookupAddress & 0xFFFFFF) < g_MMU->m_DDRomSize)
+    {
+        m_MemLookupValue.UW[0] = *(uint32_t *)&g_MMU->m_DDRom[(m_MemLookupAddress & 0xFFFFFF)];
+    }
+    else
+    {
+        m_MemLookupValue.UW[0] = m_MemLookupAddress & 0xFFFF;
+        m_MemLookupValue.UW[0] = (m_MemLookupValue.UW[0] << 16) | m_MemLookupValue.UW[0];
+    }
 }
 
 void CMipsMemoryVM::Load32CartridgeDomain1Address3(void)
diff --git a/Source/Project64-core/N64System/Mips/MemoryVirtualMem.h b/Source/Project64-core/N64System/Mips/MemoryVirtualMem.h
index bdfa958ab..542e4af5f 100644
--- a/Source/Project64-core/N64System/Mips/MemoryVirtualMem.h
+++ b/Source/Project64-core/N64System/Mips/MemoryVirtualMem.h
@@ -216,6 +216,11 @@ private:
     bool          m_RomWrittenTo;
     uint32_t      m_RomWroteValue;
 
+    //DDRom Information
+    bool          m_DDRomMapped;
+    uint8_t *     m_DDRom;
+    uint32_t      m_DDRomSize;
+
     //Current Half line
     void UpdateHalfLine();
     uint32_t         m_HalfLine;
diff --git a/Source/Project64-core/N64System/N64Class.cpp b/Source/Project64-core/N64System/N64Class.cpp
index 4ed0f7769..f6d5b9352 100644
--- a/Source/Project64-core/N64System/N64Class.cpp
+++ b/Source/Project64-core/N64System/N64Class.cpp
@@ -212,6 +212,12 @@ bool CN64System::RunFileImage(const char * FileLoc)
     WriteTrace(TraceN64System, TraceDebug, "Loading \"%s\"", FileLoc);
     if (g_Rom->LoadN64Image(FileLoc))
     {
+        if (g_Rom->CicChipID() == CIC_NUS_8303)
+        {
+            //64DD IPL
+            g_DDRom = g_Rom;
+        }
+
         g_System->RefreshGameSettings();
 
         g_Settings->SaveString(Game_File, FileLoc);
diff --git a/Source/Project64-core/N64System/SystemGlobals.cpp b/Source/Project64-core/N64System/SystemGlobals.cpp
index edf1c2678..6ab72f809 100644
--- a/Source/Project64-core/N64System/SystemGlobals.cpp
+++ b/Source/Project64-core/N64System/SystemGlobals.cpp
@@ -21,6 +21,7 @@ CRegisters    * g_Reg = NULL; //Current Register Set attacted to the g_MMU
 CNotification * g_Notify = NULL;
 CPlugins      * g_Plugins = NULL;
 CN64Rom       * g_Rom = NULL;      //The current rom that this system is executing.. it can only execute one file at the time
+CN64Rom       * g_DDRom = NULL;    //64DD IPL ROM
 CAudio        * g_Audio = NULL;
 CSystemTimer  * g_SystemTimer = NULL;
 CTransVaddr   * g_TransVaddr = NULL;
diff --git a/Source/Project64-core/N64System/SystemGlobals.h b/Source/Project64-core/N64System/SystemGlobals.h
index 50951ffa5..cd279afaf 100644
--- a/Source/Project64-core/N64System/SystemGlobals.h
+++ b/Source/Project64-core/N64System/SystemGlobals.h
@@ -35,6 +35,7 @@ extern CPlugins      * g_Plugins;
 
 class CN64Rom;
 extern CN64Rom       * g_Rom;      //The current rom that this system is executing.. it can only execute one file at the time
+extern CN64Rom       * g_DDRom;    //64DD IPL ROM
 
 class CAudio;
 extern CAudio        * g_Audio;