diff --git a/Core/Sdd1.cpp b/Core/Sdd1.cpp
index ed2292e..3e6d34c 100644
--- a/Core/Sdd1.cpp
+++ b/Core/Sdd1.cpp
@@ -101,6 +101,7 @@ void Sdd1::Serialize(Serializer &s)
 	s.StreamArray(_state.DmaAddress, 8);
 	s.StreamArray(_state.DmaLength, 8);
 	s.StreamArray(_state.SelectedBanks, 4);
+	s.Stream(_sdd1Mmc.get());
 }
 
 uint8_t Sdd1::Peek(uint32_t addr)
diff --git a/Core/Sdd1Decomp.cpp b/Core/Sdd1Decomp.cpp
index 8b6b1ee..d171cbb 100644
--- a/Core/Sdd1Decomp.cpp
+++ b/Core/Sdd1Decomp.cpp
@@ -64,6 +64,11 @@ uint8_t SDD1_IM::getCodeword(uint8_t code_len)
 	return codeword;
 }
 
+void SDD1_IM::Serialize(Serializer &s)
+{
+	s.Stream(_readAddr, bit_count);
+}
+
 SDD1_GCD::SDD1_GCD(SDD1_IM *associatedIM) :
 	IM(associatedIM)
 {
@@ -165,6 +170,11 @@ uint8_t SDD1_BG::getBit(bool *endOfRun)
 
 }
 
+void SDD1_BG::Serialize(Serializer &s)
+{
+	s.Stream(MPScount, LPSind);
+}
+
 /////////////////////////////////////////////////
 
 
@@ -264,6 +274,13 @@ uint8_t SDD1_PEM::getBit(uint8_t context)
 	return bit ^ currentMPS;
 }
 
+void SDD1_PEM::Serialize(Serializer &s)
+{
+	for(int i = 0; i < 32; i++) {
+		s.Stream(contextInfo[i].status, contextInfo[i].MPS);
+	}
+}
+
 //////////////////////////////////////////////////////////////
 
 
@@ -347,6 +364,12 @@ uint8_t SDD1_CM::getBit(void)
 
 }
 
+void SDD1_CM::Serialize(Serializer &s)
+{
+	s.Stream(bitplanesInfo, contextBitsInfo, bit_number, currBitplane);
+	s.StreamArray(prevBitplaneBits, 8);
+}
+
 //////////////////////////////////////////////////
 
 
@@ -412,6 +435,12 @@ uint8_t SDD1_OL::decompressByte()
 	throw std::runtime_error("SDD1_OL::decompressByte: Unexpected value");
 }
 
+void SDD1_OL::Serialize(Serializer &s)
+{
+	s.Stream(bitplanesInfo);
+	s.StreamArray(_regs, 3);
+}
+
 void Sdd1Decomp::Init(Sdd1Mmc *mmc, uint32_t readAddr)
 {
 	uint8_t firstByte = mmc->ReadRom(readAddr);
@@ -434,6 +463,22 @@ uint8_t Sdd1Decomp::GetDecompressedByte()
 	return OL.decompressByte();
 }
 
+void Sdd1Decomp::Serialize(Serializer &s)
+{
+	s.Stream(&IM);
+	s.Stream(&BG0);
+	s.Stream(&BG1);
+	s.Stream(&BG2);
+	s.Stream(&BG3);
+	s.Stream(&BG4);
+	s.Stream(&BG5);
+	s.Stream(&BG6);
+	s.Stream(&BG7);
+	s.Stream(&PEM);
+	s.Stream(&CM);
+	s.Stream(&OL);
+}
+
 Sdd1Decomp::Sdd1Decomp() :
 	GCD(&IM),
 	BG0(&GCD, 0), BG1(&GCD, 1), BG2(&GCD, 2), BG3(&GCD, 3),
diff --git a/Core/Sdd1Decomp.h b/Core/Sdd1Decomp.h
index 0a0e14a..e927326 100644
--- a/Core/Sdd1Decomp.h
+++ b/Core/Sdd1Decomp.h
@@ -1,5 +1,6 @@
 #pragma once
 #include "stdafx.h"
+#include "../Utilities/ISerializable.h"
 
 /************************************************************************
 
@@ -33,7 +34,7 @@ understood.
 
 class Sdd1Mmc;
 
-class SDD1_IM
+class SDD1_IM : public ISerializable
 {  //Input Manager
 	Sdd1Mmc* _sdd1Mmc;
 public:
@@ -41,10 +42,11 @@ public:
 	void prepareDecomp(Sdd1Mmc *mmc, uint32_t readAddr);
 	uint8_t getCodeword(const uint8_t code_len);
 
+	void Serialize(Serializer &s) override;
+
 private:
 	uint32_t _readAddr;
 	uint8_t bit_count;
-
 };
 
 ////////////////////////////////////////////////////
@@ -56,7 +58,7 @@ class SDD1_GCD
 public:
 	SDD1_GCD(SDD1_IM *associatedIM);
 	void getRunCount(uint8_t code_num, uint8_t *MPScount, bool *LPSind);
-
+	
 private:
 	SDD1_IM * const IM;
 
@@ -65,13 +67,15 @@ private:
 //////////////////////////////////////////////////////
 
 
-class SDD1_BG
+class SDD1_BG : public ISerializable
 {  // Bits Generator
 
 public:
 	SDD1_BG(SDD1_GCD *associatedGCD, uint8_t code);
 	void prepareDecomp(void);
 	uint8_t getBit(bool *endOfRun);
+	
+	void Serialize(Serializer &s) override;
 
 private:
 	const uint8_t code_num;
@@ -84,7 +88,7 @@ private:
 ////////////////////////////////////////////////
 
 
-class SDD1_PEM
+class SDD1_PEM : public ISerializable
 {  //Probability Estimation Module
 
 public:
@@ -94,6 +98,8 @@ public:
 		SDD1_BG *associatedBG6, SDD1_BG *associatedBG7);
 	void prepareDecomp(void);
 	uint8_t getBit(uint8_t context);
+	
+	void Serialize(Serializer &s) override;
 
 private:
 	struct state
@@ -115,13 +121,15 @@ private:
 ///////////////////////////////////////////////////
 
 
-class SDD1_CM
+class SDD1_CM : public ISerializable
 {  //Context Model
 
 public:
 	SDD1_CM(SDD1_PEM *associatedPEM);
 	void prepareDecomp(uint8_t firstByte);
 	uint8_t getBit(void);
+	
+	void Serialize(Serializer &s) override;
 
 private:
 	uint8_t bitplanesInfo;
@@ -136,13 +144,15 @@ private:
 ///////////////////////////////////////////////////
 
 
-class SDD1_OL
+class SDD1_OL : public ISerializable
 {  //Output Logic
 
 public:
 	SDD1_OL(SDD1_CM *associatedCM);
 	void prepareDecomp(uint8_t firstByte);
 	uint8_t decompressByte();
+	
+	void Serialize(Serializer &s) override;
 
 private:
 	uint8_t bitplanesInfo;
@@ -151,13 +161,15 @@ private:
 
 };
 
-class Sdd1Decomp
+class Sdd1Decomp : public ISerializable
 {
 public:
 	Sdd1Decomp();
 	void Init(Sdd1Mmc *mmc, uint32_t readAddr);
 	uint8_t GetDecompressedByte();
 
+	void Serialize(Serializer &s) override;
+
 private:
 	SDD1_IM IM;
 	SDD1_GCD GCD;
diff --git a/Core/Sdd1Mmc.cpp b/Core/Sdd1Mmc.cpp
index e18e7f6..789afcd 100644
--- a/Core/Sdd1Mmc.cpp
+++ b/Core/Sdd1Mmc.cpp
@@ -82,3 +82,8 @@ AddressInfo Sdd1Mmc::GetAbsoluteAddress(uint32_t address)
 {
 	return GetHandler(address)->GetAbsoluteAddress(address);
 }
+
+void Sdd1Mmc::Serialize(Serializer &s)
+{
+	s.Stream(&_decompressor);
+}
diff --git a/Core/Sdd1Mmc.h b/Core/Sdd1Mmc.h
index 8c5ef0f..db6185d 100644
--- a/Core/Sdd1Mmc.h
+++ b/Core/Sdd1Mmc.h
@@ -3,10 +3,11 @@
 #include "IMemoryHandler.h"
 #include "Sdd1Types.h"
 #include "Sdd1Decomp.h"
+#include "../Utilities/ISerializable.h"
 
 class BaseCartridge;
 
-class Sdd1Mmc : public IMemoryHandler
+class Sdd1Mmc : public IMemoryHandler, public ISerializable
 {
 private:
 	Sdd1State* _state;
@@ -27,4 +28,6 @@ public:
 	virtual void PeekBlock(uint8_t * output) override;
 	virtual void Write(uint32_t addr, uint8_t value) override;
 	virtual AddressInfo GetAbsoluteAddress(uint32_t address) override;
+
+	void Serialize(Serializer &s) override;
 };
\ No newline at end of file