diff --git a/third-party/Synth_Dexed/keywords.txt b/third-party/Synth_Dexed/keywords.txt
index 4be9ed4..5d66be4 100644
--- a/third-party/Synth_Dexed/keywords.txt
+++ b/third-party/Synth_Dexed/keywords.txt
@@ -18,7 +18,7 @@ activate	KEYWORD2
 deactivate	KEYWORD2
 getMonoMode	KEYWORD2
 setMonoMode	KEYWORD2
-setRefreshMode	KEYWORD2
+setNoteRefreshMode	KEYWORD2
 setMaxNotes	KEYWORD2
 getMaxNotes	KEYWORD2
 doRefreshVoice	KEYWORD2
diff --git a/third-party/Synth_Dexed/src/PluginFx.cpp b/third-party/Synth_Dexed/src/PluginFx.cpp
index 9e850e1..4e40731 100644
--- a/third-party/Synth_Dexed/src/PluginFx.cpp
+++ b/third-party/Synth_Dexed/src/PluginFx.cpp
@@ -48,11 +48,11 @@ inline static float tptlpupw(float & state , float inp , float cutoff , float sr
 //    return (param) * (max - min) + min;
 //}
 
-/*
+#ifdef USE_FX
 static float logsc(float param, const float min, const float max, const float rolloff = 19.0f) {
   return ((EXP_FUNC(param * LOG_FUNC(rolloff + 1)) - 1.0f) / (rolloff)) * (max - min) + min;
 }
-*/
+#endif
 
 PluginFx::PluginFx() {
   Cutoff = 1.0;
diff --git a/third-party/Synth_Dexed/src/dexed.cpp b/third-party/Synth_Dexed/src/dexed.cpp
index 32d12af..f611dcd 100644
--- a/third-party/Synth_Dexed/src/dexed.cpp
+++ b/third-party/Synth_Dexed/src/dexed.cpp
@@ -27,21 +27,21 @@
 #include <limits.h>
 #include <cstdlib>
 #include <stdint.h>
-#include "synth.h"
+#include <unistd.h>
 #include "dexed.h"
+#include "synth.h"
 #include "fm_core.h"
 #include "exp2.h"
 #include "sin.h"
 #include "freqlut.h"
 #include "controllers.h"
 #include "PluginFx.h"
-#include <unistd.h>
 #include "porta.h"
 #include "compressor.h"
 
 Dexed::Dexed(uint8_t maxnotes, int rate)
 {
-  samplerate=float32_t(rate);
+  samplerate = float32_t(rate);
 
   Exp2::init();
   Tanh::init();
@@ -55,7 +55,7 @@ Dexed::Dexed(uint8_t maxnotes, int rate)
   fx.init(rate);
 
   engineMsfa = new FmCore;
-  max_notes=maxnotes;
+  max_notes = maxnotes;
   currentNote = 0;
   resetControllers();
   controllers.masterTune = 0;
@@ -65,7 +65,7 @@ Dexed::Dexed(uint8_t maxnotes, int rate)
   controllers.core = engineMsfa;
   lfo.reset(data + 137);
   sustain = false;
-  voices=NULL;
+  voices = NULL;
 
   setMaxNotes(max_notes);
   setMonoMode(false);
@@ -76,7 +76,7 @@ Dexed::Dexed(uint8_t maxnotes, int rate)
 
 #ifdef USE_DEXED_COMPRESSOR
   compressor = new Compressor(samplerate);
-  use_compressor=false;
+  use_compressor = false;
 #endif
 }
 
@@ -95,33 +95,33 @@ Dexed::~Dexed()
 
 void Dexed::setMaxNotes(uint8_t new_max_notes)
 {
-  uint8_t i=0;
-  
-  max_notes=constrain(max_notes,0,_MAX_NOTES);
+  uint8_t i = 0;
 
-#ifdef DEBUG
+  max_notes = constrain(max_notes, 0, _MAX_NOTES);
+
+#if defined(MICRODEXED_VERSION) && defined(DEBUG)
   Serial.print("Allocating memory for ");
-  Serial.print(max_notes,DEC);
+  Serial.print(max_notes, DEC);
   Serial.println(" notes.");
   Serial.println();
 #endif
 
-  if(voices)
+  if (voices)
   {
     panic();
     for (i = 0; i < max_notes; i++)
     {
-      if(voices[i].dx7_note)
-    	delete voices[i].dx7_note;
+      if (voices[i].dx7_note)
+        delete voices[i].dx7_note;
     }
     delete(voices);
   }
 
-  max_notes=constrain(new_max_notes,0,_MAX_NOTES);
+  max_notes = constrain(new_max_notes, 0, _MAX_NOTES);
 
-  if(max_notes>0)
+  if (max_notes > 0)
   {
-    voices=new ProcessorVoice[max_notes]; // sizeof(ProcessorVoice) = 20
+    voices = new ProcessorVoice[max_notes]; // sizeof(ProcessorVoice) = 20
     for (i = 0; i < max_notes; i++)
     {
       voices[i].dx7_note = new Dx7Note; // sizeof(Dx7Note) = 692
@@ -132,7 +132,7 @@ void Dexed::setMaxNotes(uint8_t new_max_notes)
     }
   }
   else
-     voices=NULL;
+    voices = NULL;
 }
 
 void Dexed::activate(void)
@@ -191,15 +191,15 @@ void Dexed::getSamples(float32_t* buffer, uint16_t n_samples)
   fx.process(buffer, n_samples); // Needed for fx.Gain()!!!
 
 #if defined USE_DEXED_COMPRESSOR
-  if(use_compressor==true)
-    compressor->doCompression(buffer,n_samples);
+  if (use_compressor == true)
+    compressor->doCompression(buffer, n_samples);
 #endif
 }
 
 void Dexed::getSamples(int16_t* buffer, uint16_t n_samples)
 {
   float32_t tmp[n_samples];
-  
+
   getSamples(tmp, n_samples);
   arm_float_to_q15(tmp, (q15_t*)buffer, n_samples);
 }
@@ -222,7 +222,7 @@ void Dexed::keydown(int16_t pitch, uint8_t velo) {
   uint8_t note = currentNote;
   uint8_t keydown_counter = 0;
 
-  if (!monoMode && refreshMode)
+  if (!monoMode && noteRefreshMode)
   {
     for (uint8_t i = 0; i < max_notes; i++)
     {
@@ -383,8 +383,8 @@ void Dexed::setMonoMode(bool mode) {
   monoMode = mode;
 }
 
-void Dexed::setRefreshMode(bool mode) {
-  refreshMode = mode;
+void Dexed::setNoteRefreshMode(bool mode) {
+  noteRefreshMode = mode;
 }
 
 void Dexed::setSustain(bool s)
@@ -393,6 +393,18 @@ void Dexed::setSustain(bool s)
     return;
 
   sustain = s;
+
+  if (!getSustain())
+  {
+    for (uint8_t note = 0; note < getMaxNotes(); note++)
+    {
+      if (voices[note].sustained && !voices[note].keydown)
+      {
+        voices[note].dx7_note->keyup();
+        voices[note].sustained = false;
+      }
+    }
+  }
 }
 
 bool Dexed::getSustain(void)
@@ -483,7 +495,7 @@ uint8_t Dexed::getNumNotesPlaying(void)
         voices[i].live = false;
         voices[i].sustained = false;
         voices[i].keydown = false;
-#ifdef DEBUG
+#if defined(MICRODEXED_VERSION) && defined(DEBUG)
         Serial.print(F("Shutdown voice: "));
         Serial.println(i, DEC);
 #endif
@@ -563,7 +575,7 @@ bool Dexed::decodeVoice(uint8_t* new_data, uint8_t* encoded_data)
 
   strncpy(dexed_voice_name, (char *)&encoded_data[118], sizeof(dexed_voice_name) - 1);
   dexed_voice_name[10] = '\0';
-#ifdef DEBUG
+#if defined(MICRODEXED_VERSION) && defined(DEBUG)
   Serial.print(F("Voice ["));
   Serial.print(dexed_voice_name);
   Serial.println(F("] decoded."));
@@ -632,6 +644,7 @@ void Dexed::setVoiceDataElement(uint8_t address, uint8_t value)
 {
   address = constrain(address, 0, NUM_VOICE_PARAMETERS);
   data[address] = value;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getVoiceDataElement(uint8_t address)
@@ -642,14 +655,14 @@ uint8_t Dexed::getVoiceDataElement(uint8_t address)
 
 void Dexed::loadVoiceParameters(uint8_t* new_data)
 {
-#ifdef DEBUG
+#if defined(MICRODEXED_VERSION) && defined(DEBUG)
   char dexed_voice_name[11];
 #endif
 
   panic();
   memcpy(&data, new_data, 155);
   doRefreshVoice();
-#ifdef DEBUG
+#if defined(MICRODEXED_VERSION) && defined(DEBUG)
   strncpy(dexed_voice_name, (char *)&new_data[145], sizeof(dexed_voice_name) - 1);
   dexed_voice_name[10] = '\0';
 
@@ -666,7 +679,7 @@ void Dexed::loadInitVoice(void)
 
 void Dexed::setPBController(uint8_t pb_range, uint8_t pb_step)
 {
-#ifdef DEBUG
+#if defined(MICRODEXED_VERSION) && defined(DEBUG)
   Serial.println(F("Dexed::setPBController"));
 #endif
 
@@ -681,7 +694,7 @@ void Dexed::setPBController(uint8_t pb_range, uint8_t pb_step)
 
 void Dexed::setMWController(uint8_t mw_range, uint8_t mw_assign, uint8_t mw_mode)
 {
-#ifdef DEBUG
+#if defined(MICRODEXED_VERSION) && defined(DEBUG)
   Serial.println(F("Dexed::setMWController"));
 #endif
 
@@ -698,7 +711,7 @@ void Dexed::setMWController(uint8_t mw_range, uint8_t mw_assign, uint8_t mw_mode
 
 void Dexed::setFCController(uint8_t fc_range, uint8_t fc_assign, uint8_t fc_mode)
 {
-#ifdef DEBUG
+#if defined(MICRODEXED_VERSION) && defined(DEBUG)
   Serial.println(F("Dexed::setFCController"));
 #endif
 
@@ -715,7 +728,7 @@ void Dexed::setFCController(uint8_t fc_range, uint8_t fc_assign, uint8_t fc_mode
 
 void Dexed::setBCController(uint8_t bc_range, uint8_t bc_assign, uint8_t bc_mode)
 {
-#ifdef DEBUG
+#if defined(MICRODEXED_VERSION) && defined(DEBUG)
   Serial.println(F("Dexed::setBCController"));
 #endif
 
@@ -732,7 +745,7 @@ void Dexed::setBCController(uint8_t bc_range, uint8_t bc_assign, uint8_t bc_mode
 
 void Dexed::setATController(uint8_t at_range, uint8_t at_assign, uint8_t at_mode)
 {
-#ifdef DEBUG
+#if defined(MICRODEXED_VERSION) && defined(DEBUG)
   Serial.println(F("Dexed::setATController"));
 #endif
 
@@ -747,11 +760,11 @@ void Dexed::setATController(uint8_t at_range, uint8_t at_assign, uint8_t at_mode
   controllers.refresh();
 }
 
-void Dexed::setPortamentoMode(uint8_t portamento_mode, uint8_t portamento_glissando, uint8_t portamento_time)
+void Dexed::setPortamento(uint8_t portamento_mode, uint8_t portamento_glissando, uint8_t portamento_time)
 {
   portamento_mode = constrain(portamento_mode, 0, 1);
   portamento_glissando = constrain(portamento_glissando, 0, 1);
-  portamento_mode = constrain(portamento_mode, 0, 99);
+  portamento_time = constrain(portamento_time, 0, 99);
 
   controllers.portamento_cc = portamento_time;
   controllers.portamento_enable_cc = portamento_mode > 63;
@@ -766,6 +779,137 @@ void Dexed::setPortamentoMode(uint8_t portamento_mode, uint8_t portamento_glissa
   controllers.refresh();
 }
 
+void Dexed::setPortamentoMode(uint8_t portamento_mode)
+{
+  portamento_mode = constrain(portamento_mode, 0, 1);
+  controllers.portamento_enable_cc = portamento_mode > 63;
+
+  controllers.refresh();
+}
+
+uint8_t Dexed::getPortamentoMode(void)
+{
+  return(controllers.portamento_enable_cc);
+}
+
+void Dexed::setPortamentoGlissando(uint8_t portamento_glissando)
+{
+  portamento_glissando = constrain(portamento_glissando, 0, 1);
+  controllers.values_[kControllerPortamentoGlissando] = portamento_glissando;
+
+  controllers.refresh();
+}
+
+uint8_t Dexed::getPortamentoGlissando(void)
+{
+  return(controllers.values_[kControllerPortamentoGlissando]);
+}
+
+void Dexed::setPortamentoTime(uint8_t portamento_time)
+{
+  portamento_time = constrain(portamento_time, 0, 99);
+  controllers.portamento_cc = portamento_time;
+
+  if (portamento_time > 0)
+    controllers.portamento_enable_cc = true;
+  else
+    controllers.portamento_enable_cc = false;
+
+  controllers.refresh();
+}
+
+uint8_t Dexed::getPortamentoTime(void)
+{
+  return(controllers.portamento_cc);
+}
+
+int16_t Dexed::checkSystemExclusive(const uint8_t* sysex, const uint16_t len)
+/*
+        -1:     SysEx end status byte not detected.
+        -2:     SysEx vendor not Yamaha.
+        -3:     Unknown SysEx parameter change.
+        -4:     Unknown SysEx voice or function.
+        -5:     Not a SysEx voice bulk upload.
+        -6:     Wrong length for SysEx voice bulk upload (not 155).
+        -7:     Checksum error for one voice.
+        -8:     Not a SysEx bank bulk upload.
+        -9:     Wrong length for SysEx bank bulk upload (not 4096).
+        -10:    Checksum error for bank.
+        -11:    Unknown SysEx message.
+	64-77:	Function parameter changed.
+	100:	Voice loaded.
+	200:	Bank loaded.
+	300-455:	Voice parameter changed.
+*/
+{
+  int32_t bulk_checksum_calc = 0;
+  const int8_t bulk_checksum = sysex[161];
+
+  // Check for SYSEX end byte
+  if (sysex[len - 1] != 0xf7)
+    return(-1);
+
+  // check for Yamaha sysex
+  if (sysex[1] != 0x43)
+    return(-2);
+
+  // Decode SYSEX by means of length
+  switch (len)
+  {
+    case 7: // parse parameter change
+      if (((sysex[3] & 0x7c) >> 2) != 0 && ((sysex[3] & 0x7c) >> 2) != 2)
+        return(-3);
+
+      if ((sysex[3] & 0x7c) >> 2 == 0) // Voice parameter
+      {
+        setVoiceDataElement((sysex[4] & 0x7f) + ((sysex[3] & 0x03) * 128), sysex[5]);
+	doRefreshVoice();
+	return((sysex[4] & 0x7f) + ((sysex[3] & 0x03) * 128)+300);
+      }
+      else if ((sysex[3] & 0x7c) >> 2 == 2) // Function parameter
+        return(sysex[4]);
+      else
+	return(-4);
+      break;
+    case 163: // 1 Voice bulk upload
+      if ((sysex[3] & 0x7f) != 0)
+        return(-5);
+
+      if (((sysex[4] << 7) | sysex[5]) != 0x9b)
+        return(-6);
+
+      // checksum calculation
+      for (uint8_t i = 0; i < 155 ; i++)
+        bulk_checksum_calc -= sysex[i + 6];
+      bulk_checksum_calc &= 0x7f;
+
+      if (bulk_checksum_calc != bulk_checksum)
+        return(-7);
+
+      return(100);
+      break;
+    case 4104: // 1 Bank bulk upload
+      if ((sysex[3] & 0x7f) != 9)
+        return(-8);
+
+      if (((sysex[4] << 7) | sysex[5]) != 0x1000)
+        return(-9);
+
+      // checksum calculation
+      for (uint16_t i = 0; i < 4096 ; i++)
+        bulk_checksum_calc -= sysex[i + 6];
+      bulk_checksum_calc &= 0x7f;
+
+      if (bulk_checksum_calc != bulk_checksum)
+        return(-10);
+
+      return(200);
+      break;
+    default:
+      return(-11);
+  }
+}
+
 uint32_t Dexed::getXRun(void)
 {
   return (xrun);
@@ -1019,6 +1163,7 @@ void Dexed::setOPRateAll(uint8_t rate)
       data[(op * 21) + DEXED_OP_EG_R1 + step] = rate;
     }
   }
+  doRefreshVoice();
 }
 
 void Dexed::setOPLevelAll(uint8_t level)
@@ -1032,6 +1177,7 @@ void Dexed::setOPLevelAll(uint8_t level)
       data[(op * 21) + DEXED_OP_EG_L1 + step] = level;
     }
   }
+  doRefreshVoice();
 }
 
 void Dexed::setOPRateAllModulator(uint8_t step, uint8_t rate)
@@ -1046,6 +1192,7 @@ void Dexed::setOPRateAllModulator(uint8_t step, uint8_t rate)
     if ((op_carrier & (1 << op)) == 0)
       data[(op * 21) + DEXED_OP_EG_R1 + step] = rate;
   }
+  doRefreshVoice();
 }
 
 void Dexed::setOPLevelAllModulator(uint8_t step, uint8_t level)
@@ -1060,6 +1207,7 @@ void Dexed::setOPLevelAllModulator(uint8_t step, uint8_t level)
     if ((op_carrier & (1 << op)) == 0)
       data[(op * 21) + DEXED_OP_EG_L1 + step] = level;
   }
+  doRefreshVoice();
 }
 
 void Dexed::setOPRateAllCarrier(uint8_t step, uint8_t rate)
@@ -1074,6 +1222,7 @@ void Dexed::setOPRateAllCarrier(uint8_t step, uint8_t rate)
     if ((op_carrier & (1 << op)) == 1)
       data[(op * 21) + DEXED_OP_EG_R1 + step] = rate;
   }
+  doRefreshVoice();
 }
 
 void Dexed::setOPLevelAllCarrier(uint8_t step, uint8_t level)
@@ -1088,6 +1237,7 @@ void Dexed::setOPLevelAllCarrier(uint8_t step, uint8_t level)
     if ((op_carrier & (1 << op)) == 1)
       data[(op * 21) + DEXED_OP_EG_L1 + step] = level;
   }
+  doRefreshVoice();
 }
 
 void Dexed::setOPRate(uint8_t op, uint8_t step, uint8_t rate)
@@ -1097,6 +1247,7 @@ void Dexed::setOPRate(uint8_t op, uint8_t step, uint8_t rate)
   rate = constrain(rate, 0, 99);
 
   data[(op * 21) + DEXED_OP_EG_R1 + step] = rate;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPRate(uint8_t op, uint8_t step)
@@ -1114,6 +1265,7 @@ void Dexed::setOPLevel(uint8_t op, uint8_t step, uint8_t level)
   level = constrain(level, 0, 99);
 
   data[(op * 21) + DEXED_OP_EG_L1 + step] = level;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPLevel(uint8_t op, uint8_t step)
@@ -1130,6 +1282,7 @@ void Dexed::setOPKeyboardLevelScalingBreakPoint(uint8_t op, uint8_t level)
   level = constrain(level, 0, 99);
 
   data[(op * 21) + DEXED_OP_LEV_SCL_BRK_PT] = level;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPKeyboardLevelScalingBreakPoint(uint8_t op)
@@ -1145,6 +1298,7 @@ void Dexed::setOPKeyboardLevelScalingDepthLeft(uint8_t op, uint8_t depth)
   depth = constrain(depth, 0, 99);
 
   data[(op * 21) + DEXED_OP_SCL_LEFT_DEPTH] = depth;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPKeyboardLevelScalingDepthLeft(uint8_t op)
@@ -1160,6 +1314,7 @@ void Dexed::setOPKeyboardLevelScalingDepthRight(uint8_t op, uint8_t depth)
   depth = constrain(depth, 0, 99);
 
   data[(op * 21) + DEXED_OP_SCL_RGHT_DEPTH] = depth;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPKeyboardLevelScalingDepthRight(uint8_t op)
@@ -1175,6 +1330,7 @@ void Dexed::setOPKeyboardLevelScalingCurveLeft(uint8_t op, uint8_t curve)
   curve = constrain(curve, 0, 3);
 
   data[(op * 21) + DEXED_OP_SCL_LEFT_CURVE] = curve;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPKeyboardLevelScalingCurveLeft(uint8_t op)
@@ -1190,6 +1346,7 @@ void Dexed::setOPKeyboardLevelScalingCurveRight(uint8_t op, uint8_t curve)
   curve = constrain(curve, 0, 3);
 
   data[(op * 21) + DEXED_OP_SCL_RGHT_CURVE] = curve;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPKeyboardLevelScalingCurveRight(uint8_t op)
@@ -1205,6 +1362,7 @@ void Dexed::setOPKeyboardRateScale(uint8_t op, uint8_t scale)
   scale = constrain(scale, 0, 7);
 
   data[(op * 21) + DEXED_OP_OSC_RATE_SCALE] = scale;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPKeyboardRateScale(uint8_t op)
@@ -1220,6 +1378,7 @@ void Dexed::setOPAmpModulationSensity(uint8_t op, uint8_t sensitivity)
   sensitivity = constrain(sensitivity, 0, 3);
 
   data[(op * 21) + DEXED_OP_AMP_MOD_SENS] = sensitivity;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPAmpModulationSensity(uint8_t op)
@@ -1235,6 +1394,7 @@ void Dexed::setOPKeyboardVelocitySensity(uint8_t op, uint8_t sensitivity)
   sensitivity = constrain(sensitivity, 0, 7);
 
   data[(op * 21) + DEXED_OP_KEY_VEL_SENS] = sensitivity;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPKeyboardVelocitySensity(uint8_t op)
@@ -1250,6 +1410,7 @@ void Dexed::setOPOutputLevel(uint8_t op, uint8_t level)
   level = constrain(level, 0, 99);
 
   data[(op * 21) + DEXED_OP_OUTPUT_LEV] = level;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPOutputLevel(uint8_t op)
@@ -1265,6 +1426,7 @@ void Dexed::setOPMode(uint8_t op, uint8_t mode)
   mode = constrain(mode, 0, 1);
 
   data[(op * 21) + DEXED_OP_OSC_MODE] = mode;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPMode(uint8_t op)
@@ -1280,6 +1442,7 @@ void Dexed::setOPFrequencyCoarse(uint8_t op, uint8_t frq_coarse)
   frq_coarse = constrain(frq_coarse, 0, 31);
 
   data[(op * 21) + DEXED_OP_FREQ_COARSE] = frq_coarse;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPFrequencyCoarse(uint8_t op)
@@ -1295,6 +1458,7 @@ void Dexed::setOPFrequencyFine(uint8_t op, uint8_t frq_fine)
   frq_fine = constrain(frq_fine, 0, 99);
 
   data[(op * 21) + DEXED_OP_FREQ_FINE] = frq_fine;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPFrequencyFine(uint8_t op)
@@ -1310,6 +1474,7 @@ void Dexed::setOPDetune(uint8_t op, uint8_t detune)
   detune = constrain(detune, 0, 14);
 
   data[(op * 21) + DEXED_OP_OSC_DETUNE] = detune;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getOPDetune(uint8_t op)
@@ -1325,6 +1490,7 @@ void Dexed::setPitchRate(uint8_t step, uint8_t rate)
   rate = constrain(rate, 0, 99);
 
   data[DEXED_VOICE_OFFSET + DEXED_PITCH_EG_R1 + step] = rate;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getPitchRate(uint8_t step)
@@ -1340,6 +1506,7 @@ void Dexed::setPitchLevel(uint8_t step, uint8_t level)
   level = constrain(level, 0, 99);
 
   data[DEXED_VOICE_OFFSET + DEXED_PITCH_EG_L1 + step] = level;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getPitchLevel(uint8_t step)
@@ -1354,6 +1521,7 @@ void Dexed::setAlgorithm(uint8_t algorithm)
   algorithm  = constrain(algorithm, 0, 31);
 
   data[DEXED_VOICE_OFFSET + DEXED_ALGORITHM] = algorithm;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getAlgorithm(void)
@@ -1366,6 +1534,7 @@ void Dexed::setFeedback(uint8_t feedback)
   feedback  = constrain(feedback, 0, 31);
 
   data[DEXED_VOICE_OFFSET + DEXED_FEEDBACK] = feedback;
+  doRefreshVoice();
 }
 
 uint8_t Dexed::getFeedback(void)
@@ -1376,6 +1545,7 @@ uint8_t Dexed::getFeedback(void)
 void Dexed::setOscillatorSync(bool sync)
 {
   data[DEXED_VOICE_OFFSET + DEXED_OSC_KEY_SYNC] = sync;
+  doRefreshVoice();
 }
 
 bool Dexed::getOscillatorSync(void)
@@ -1388,6 +1558,7 @@ void Dexed::setLFOSpeed(uint8_t speed)
   speed  = constrain(speed, 0, 99);
 
   data[DEXED_VOICE_OFFSET + DEXED_LFO_SPEED] = speed;
+  lfo.reset(data + 137);
 }
 
 uint8_t Dexed::getLFOSpeed(void)
@@ -1400,6 +1571,7 @@ void Dexed::setLFODelay(uint8_t delay)
   delay  = constrain(delay, 0, 99);
 
   data[DEXED_VOICE_OFFSET + DEXED_LFO_DELAY] = delay;
+  lfo.reset(data + 137);
 }
 
 uint8_t Dexed::getLFODelay(void)
@@ -1412,7 +1584,9 @@ void Dexed::setLFOPitchModulationDepth(uint8_t depth)
   depth = constrain(depth, 0, 99);
 
   data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_DEP] = depth;
+  lfo.reset(data + 137);
 }
+
 uint8_t Dexed::getLFOPitchModulationDepth(void)
 {
   return (data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_DEP]);
@@ -1423,6 +1597,7 @@ void Dexed::setLFOAmpModulationDepth(uint8_t depth)
   depth = constrain(depth, 0, 99);
 
   data[DEXED_VOICE_OFFSET + DEXED_LFO_AMP_MOD_DEP] = depth;
+  lfo.reset(data + 137);
 }
 
 uint8_t Dexed::getLFOAmpModulationDepth(void)
@@ -1438,6 +1613,7 @@ void Dexed::setLFOSync(bool sync)
 bool Dexed::getLFOSync(void)
 {
   return (data[DEXED_VOICE_OFFSET + DEXED_LFO_SYNC]);
+  lfo.reset(data + 137);
 }
 
 void Dexed::setLFOWaveform(uint8_t waveform)
@@ -1445,6 +1621,7 @@ void Dexed::setLFOWaveform(uint8_t waveform)
   waveform = constrain(waveform, 0, 5);
 
   data[DEXED_VOICE_OFFSET + DEXED_LFO_WAVE] = waveform;
+  lfo.reset(data + 137);
 }
 
 uint8_t Dexed::getLFOWaveform(void)
@@ -1457,6 +1634,7 @@ void Dexed::setLFOPitchModulationSensitivity(uint8_t sensitivity)
   sensitivity  = constrain(sensitivity, 0, 5);
 
   data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_SENS] = sensitivity;
+  lfo.reset(data + 137);
 }
 
 uint8_t Dexed::getLFOPitchModulationSensitivity(void)
@@ -1490,12 +1668,12 @@ void Dexed::getName(char* buffer)
 #ifdef USE_DEXED_COMPRESSOR
 void Dexed::setCompressor(bool enable_compressor)
 {
-  use_compressor=enable_compressor;
+  use_compressor = enable_compressor;
 }
 
 bool Dexed::getCompressor(void)
 {
-  return(use_compressor);
+  return (use_compressor);
 }
 
 void Dexed::setCompressorPreGain_dB(float32_t pre_gain)
@@ -1505,12 +1683,12 @@ void Dexed::setCompressorPreGain_dB(float32_t pre_gain)
 
 void Dexed::setCompressorAttack_sec(float32_t attack_sec)
 {
-  compressor->setAttack_sec(attack_sec,samplerate);
+  compressor->setAttack_sec(attack_sec, samplerate);
 }
 
 void Dexed::setCompressorRelease_sec(float32_t release_sec)
 {
-  compressor->setRelease_sec(release_sec,samplerate);
+  compressor->setRelease_sec(release_sec, samplerate);
 }
 
 void Dexed::setCompressorThresh_dBFS(float32_t thresh_dBFS)
@@ -1525,26 +1703,26 @@ void Dexed::setCompressionRatio(float32_t comp_ratio)
 
 float32_t Dexed::getCompressorPreGain_dB(void)
 {
-  return(compressor->getPreGain_dB());
+  return (compressor->getPreGain_dB());
 }
 
 float32_t Dexed::getCompressorAttack_sec(void)
 {
-  return(compressor->getAttack_sec());
+  return (compressor->getAttack_sec());
 }
 
 float32_t Dexed::getCompressorRelease_sec(void)
 {
-  return(compressor->getRelease_sec());
+  return (compressor->getRelease_sec());
 }
 
 float32_t Dexed::getCompressorThresh_dBFS(void)
 {
-  return(compressor->getThresh_dBFS());
+  return (compressor->getThresh_dBFS());
 }
 
 float32_t Dexed::getCompressionRatio(void)
 {
-  return(compressor->getCompressionRatio());
+  return (compressor->getCompressionRatio());
 }
 #endif
diff --git a/third-party/Synth_Dexed/src/dexed.h b/third-party/Synth_Dexed/src/dexed.h
index 046f2d4..be15eb8 100644
--- a/third-party/Synth_Dexed/src/dexed.h
+++ b/third-party/Synth_Dexed/src/dexed.h
@@ -158,7 +158,7 @@ class Dexed
     void deactivate(void);
     bool getMonoMode(void);
     void setMonoMode(bool mode);
-    void setRefreshMode(bool mode);
+    void setNoteRefreshMode(bool mode);
     void setMaxNotes(uint8_t n);
     uint8_t getMaxNotes(void);
     void doRefreshVoice(void);
@@ -189,6 +189,7 @@ class Dexed
     float32_t getCompressorThresh_dBFS(void);
     float32_t getCompressionRatio(void);
 #endif
+    int16_t checkSystemExclusive(const uint8_t* sysex, const uint16_t len);
 
     // Sound methods
     void keyup(int16_t pitch);
@@ -200,7 +201,13 @@ class Dexed
     void resetControllers(void);
     void setMasterTune(int8_t mastertune);
     int8_t getMasterTune(void);
-    void setPortamentoMode(uint8_t portamento_mode, uint8_t portamento_glissando, uint8_t portamento_time);
+    void setPortamento(uint8_t portamento_mode, uint8_t portamento_glissando, uint8_t portamento_time);
+    void setPortamentoMode(uint8_t portamento_mode);
+    uint8_t getPortamentoMode(void);
+    void setPortamentoGlissando(uint8_t portamento_glissando);
+    uint8_t getPortamentoGlissando(void);
+    void setPortamentoTime(uint8_t portamento_time);
+    uint8_t getPortamentoTime(void);
     void setPBController(uint8_t pb_range, uint8_t pb_step);
     void setMWController(uint8_t mw_range, uint8_t mw_assign, uint8_t mw_mode);
     void setFCController(uint8_t fc_range, uint8_t fc_assign, uint8_t fc_mode);
@@ -337,7 +344,7 @@ class Dexed
     bool sustain;
     float vuSignal;
     bool monoMode;
-    bool refreshMode;
+    bool noteRefreshMode;
     bool refreshVoice;
     uint8_t engineType;
     VoiceStatus voiceStatus;
diff --git a/third-party/Synth_Dexed/src/fm_op_kernel.cpp b/third-party/Synth_Dexed/src/fm_op_kernel.cpp
index 3cc1228..b1834be 100644
--- a/third-party/Synth_Dexed/src/fm_op_kernel.cpp
+++ b/third-party/Synth_Dexed/src/fm_op_kernel.cpp
@@ -17,18 +17,14 @@
 #include <math.h>
 #include <cstdlib>
 #include <stdint.h>
-
-#ifdef __ARM_NEON
-#include <arm_neon.h>
-#endif
-
 #include "synth.h"
 #include "sin.h"
 #include "fm_op_kernel.h"
 
 #ifdef __ARM_NEON
+#include <arm_neon.h>
 extern "C"
-void neon_fm_kernel(const int *in, const int *busin, int *out, int count,
+void neon_fm_kernel(const int32_t *in, const int32_t *busin, int32_t *out, int32_t count,
   int32_t phase0, int32_t freq, int32_t gain1, int32_t dgain);
 
 const int32_t __attribute__ ((aligned(16))) const_0_1_2_3_arg[4] = {0, 1, 2, 3};
@@ -39,7 +35,7 @@ const float32_t __attribute__ ((aligned(16))) coeffs_arg[4] = {
 const int32_t __attribute__ ((aligned(16))) zeros[_N_] = {0};
 
 
-void neon_fm_kernel(const int *in, const int *busin, int *out, int count,
+void neon_fm_kernel(const int32_t *in, const int32_t *busin, int32_t *out, int32_t count,
     int32_t phase0, int32_t freq_arg, int32_t gain1_arg, int32_t dgain_arg) {
   int32x4_t phase = vld1q_dup_s32(&phase0);
   int32x4_t freq = vld1q_dup_s32(&freq_arg);
@@ -159,11 +155,11 @@ void FmOpKernel::compute(int32_t *output, const int32_t *input,
                          int32_t gain1, int32_t gain2, bool add) {
   int32_t dgain = (gain2 - gain1 + (_N_ >> 1)) >> LG_N;
   int32_t gain = gain1;
-  int32_t phase = phase0;
 #ifdef __ARM_NEON
     neon_fm_kernel(input, add ? output : zeros, output, _N_,
                    phase0, freq, gain, dgain);
 #else
+  int32_t phase = phase0;
     if (add) {
       for (int i = 0; i < _N_; i++) {
         gain += dgain;
@@ -188,11 +184,11 @@ void FmOpKernel::compute_pure(int32_t *output, int32_t phase0, int32_t freq,
                               int32_t gain1, int32_t gain2, bool add) {
   int32_t dgain = (gain2 - gain1 + (_N_ >> 1)) >> LG_N;
   int32_t gain = gain1;
-  int32_t phase = phase0;
 #ifdef __ARM_NEON
     neon_fm_kernel(zeros, add ? output : zeros, output, _N_,
                    phase0, freq, gain, dgain);
 #else
+  int32_t phase = phase0;
     if (add) {
       for (int i = 0; i < _N_; i++) {
         gain += dgain;