diff --git a/src/Synth_Dexed.mk b/src/Synth_Dexed.mk
index 443d606..6aa4a49 100644
--- a/src/Synth_Dexed.mk
+++ b/src/Synth_Dexed.mk
@@ -22,6 +22,9 @@ OBJS += \
        $(SYNTH_DEXED_DIR)/pitchenv.o \
        $(SYNTH_DEXED_DIR)/porta.o \
        $(SYNTH_DEXED_DIR)/sin.o \
+       $(SYNTH_DEXED_DIR)/EngineMkI.o\
+       $(SYNTH_DEXED_DIR)/EngineOpl.o\
+       $(SYNTH_DEXED_DIR)/EngineMsfa.o\
        $(CMSIS_DSP_SOURCE_DIR)/SupportFunctions/SupportFunctions.o \
        $(CMSIS_DSP_SOURCE_DIR)/BasicMathFunctions/BasicMathFunctions.o \
        $(CMSIS_DSP_SOURCE_DIR)/FastMathFunctions/FastMathFunctions.o \
diff --git a/src/config.cpp b/src/config.cpp
index c40d29a..9a64f50 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -21,6 +21,7 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //
 #include "config.h"
+#include "../Synth_Dexed/src/dexed.h"
 
 CConfig::CConfig (FATFS *pFileSystem)
 :	m_Properties ("minidexed.ini", pFileSystem)
@@ -46,6 +47,15 @@ void CConfig::Load (void)
 	m_nDACI2CAddress = m_Properties.GetNumber ("DACI2CAddress", 0);
 	m_bChannelsSwapped = m_Properties.GetNumber ("ChannelsSwapped", 0) != 0;
 
+		unsigned newEngineType = m_Properties.GetNumber ("EngineType", 1);
+	if (newEngineType == 2) {
+  		m_EngineType = MKI;
+	} else if (newEngineType == 3) {
+  		m_EngineType = OPL;
+	} else {
+  		m_EngineType = MSFA;
+	}
+
 	m_nMIDIBaudRate = m_Properties.GetNumber ("MIDIBaudRate", 31250);
 
 	const char *pMIDIThru = m_Properties.GetString ("MIDIThru");
@@ -151,6 +161,11 @@ bool CConfig::GetChannelsSwapped (void) const
 	return m_bChannelsSwapped;
 }
 
+unsigned CConfig::GetEngineType (void) const
+{
+	return m_EngineType;
+}
+
 unsigned CConfig::GetMIDIBaudRate (void) const
 {
 	return m_nMIDIBaudRate;
@@ -400,3 +415,5 @@ bool CConfig::GetPerformanceSelectToLoad (void) const
 {
 	return m_bPerformanceSelectToLoad;
 }
+
+
diff --git a/src/config.h b/src/config.h
index a316be8..c34cdf5 100644
--- a/src/config.h
+++ b/src/config.h
@@ -69,6 +69,7 @@ public:
 	unsigned GetChunkSize (void) const;
 	unsigned GetDACI2CAddress (void) const;		// 0 for auto probing
 	bool GetChannelsSwapped (void) const;
+	unsigned GetEngineType (void) const;
 
 	// MIDI
 	unsigned GetMIDIBaudRate (void) const;
@@ -152,6 +153,7 @@ private:
 	unsigned m_nChunkSize;
 	unsigned m_nDACI2CAddress;
 	bool m_bChannelsSwapped;
+	unsigned m_EngineType;
 
 	unsigned m_nMIDIBaudRate;
 	std::string m_MIDIThruIn;
@@ -212,6 +214,8 @@ private:
 	bool m_bMIDIDumpEnabled;
 	bool m_bProfileEnabled;
 	bool m_bPerformanceSelectToLoad;
+
+
 };
 
 #endif
diff --git a/src/minidexed.cpp b/src/minidexed.cpp
index fafeff8..83de52d 100644
--- a/src/minidexed.cpp
+++ b/src/minidexed.cpp
@@ -93,7 +93,8 @@ CMiniDexed::CMiniDexed (CConfig *pConfig, CInterruptSystem *pInterrupt,
 
 		m_pTG[i] = new CDexedAdapter (CConfig::MaxNotes, pConfig->GetSampleRate ());
 		assert (m_pTG[i]);
-
+		
+		m_pTG[i]->setEngineType(pConfig->GetEngineType ());
 		m_pTG[i]->activate ();
 	}
 
diff --git a/src/minidexed.ini b/src/minidexed.ini
index 27d622c..f58b44c 100644
--- a/src/minidexed.ini
+++ b/src/minidexed.ini
@@ -10,6 +10,8 @@ SampleRate=48000
 #ChunkSize=256
 DACI2CAddress=0
 ChannelsSwapped=0
+# Engine Type ( 1=Modern ; 2=Mark I ; 3=OPL )
+EngineType=1
 
 # MIDI
 MIDIBaudRate=31250
diff --git a/submod.sh b/submod.sh
index e941660..dcdf2af 100755
--- a/submod.sh
+++ b/submod.sh
@@ -10,4 +10,6 @@ cd -
 cd circle-stdlib/libs/circle-newlib
 git checkout 48bf91d # needed for circle ec09d7e
 cd -
-           
+cd Synth_Dexed/
+git checkout c9f5274
+cd -