From 974e8f897e8bd74a55ec3db1724529488ee1964d Mon Sep 17 00:00:00 2001
From: Holger Wirtz <wirtz@parasitstudio.de>
Date: Thu, 4 Jul 2024 11:01:04 +0200
Subject: [PATCH] Moving several functions to FLASHMEM.

---
 MicroDexed.ino           |   8 +-
 UI.hpp                   | 508 +++++++++++++++++++--------------------
 control_sgtl5000plus.cpp |  16 +-
 control_sgtl5000plus.h   |  16 +-
 4 files changed, 274 insertions(+), 274 deletions(-)

diff --git a/MicroDexed.ino b/MicroDexed.ino
index f8e676a..8c36612 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -1180,7 +1180,7 @@ void handleControlChange(uint8_t inChannel, uint8_t inCtrl, uint8_t inValue) {
           break;
         case 103:  // CC 103: filter resonance
           configuration.fx.filter_resonance[instance_id] = map(inValue, 0, 0x7f, FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX);
-          MicroDexed[instance_id]->setFilterResonance(mapfloat(configuration.fx.filter_resonance[instance_id], FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX, 1.0, 0.0));
+          //MicroDexed[instance_id]->setFilterResonance(mapfloat(configuration.fx.filter_resonance[instance_id], FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX, 1.0, 0.0));
           if (LCDML.FUNC_getID() == LCDML.OTHER_getIDFromFunction(UI_func_filter_resonance)) {
             LCDML.OTHER_updateFunc();
             LCDML.loop_menu();
@@ -1188,7 +1188,7 @@ void handleControlChange(uint8_t inChannel, uint8_t inCtrl, uint8_t inValue) {
           break;
         case 104:  // CC 104: filter cutoff
           configuration.fx.filter_cutoff[instance_id] = map(inValue, 0, 0x7f, FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX);
-          MicroDexed[instance_id]->setFilterCutoff(mapfloat(configuration.fx.filter_cutoff[instance_id], FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX, 1.0, 0.0));
+          //MicroDexed[instance_id]->setFilterCutoff(mapfloat(configuration.fx.filter_cutoff[instance_id], FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX, 1.0, 0.0));
           ;
           if (LCDML.FUNC_getID() == LCDML.OTHER_getIDFromFunction(UI_func_filter_cutoff)) {
             LCDML.OTHER_updateFunc();
@@ -2046,8 +2046,8 @@ void set_fx_params(void) {
     reverb_mixer_l.gain(instance_id, volume_transform(mapfloat(configuration.fx.reverb_send[instance_id], REVERB_SEND_MIN, REVERB_SEND_MAX, 0.0, VOL_MAX_FLOAT)));
 
     // DEXED FILTER
-    MicroDexed[instance_id]->setFilterResonance(mapfloat(configuration.fx.filter_resonance[instance_id], FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX, 1.0, 0.0));
-    MicroDexed[instance_id]->setFilterCutoff(mapfloat(configuration.fx.filter_cutoff[instance_id], FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX, 1.0, 0.0));
+    //MicroDexed[instance_id]->setFilterResonance(mapfloat(configuration.fx.filter_resonance[instance_id], FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX, 1.0, 0.0));
+    //MicroDexed[instance_id]->setFilterCutoff(mapfloat(configuration.fx.filter_cutoff[instance_id], FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX, 1.0, 0.0));
     MicroDexed[instance_id]->doRefreshVoice();
   }
 
diff --git a/UI.hpp b/UI.hpp
index 59f9cb4..afe9caa 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -223,132 +223,132 @@ enum { MENU_VOICE_BANK,
        MENU_VOICE_SOUND
 };
 
-void lcdml_menu_display(void);
-void lcdml_menu_clear(void);
-void lcdml_menu_control(void);
-void UI_func_reverb_roomsize(uint8_t param);
-void UI_func_reverb_damping(uint8_t param);
-void UI_func_reverb_lowpass(uint8_t param);
-void UI_func_reverb_lodamp(uint8_t param);
-void UI_func_reverb_hidamp(uint8_t param);
-void UI_func_reverb_diffusion(uint8_t param);
-void UI_func_reverb_level(uint8_t param);
-void UI_func_chorus_frequency(uint8_t param);
-void UI_func_chorus_waveform(uint8_t param);
-void UI_func_chorus_depth(uint8_t param);
-void UI_func_chorus_level(uint8_t param);
-void UI_func_delay_time(uint8_t param);
-void UI_func_delay_feedback(uint8_t param);
-void UI_func_delay_level(uint8_t param);
-void UI_func_reverb_send(uint8_t param);
-void UI_func_filter_cutoff(uint8_t param);
-void UI_func_filter_resonance(uint8_t param);
-void UI_func_drum_reverb_send(uint8_t param);
-void UI_func_transpose(uint8_t param);
-void UI_func_tune(uint8_t param);
-void UI_func_midi_channel(uint8_t param);
-void UI_func_lowest_note(uint8_t param);
-void UI_func_highest_note(uint8_t param);
-void UI_func_sound_intensity(uint8_t param);
-void UI_func_panorama(uint8_t param);
-void UI_func_stereo_mono(uint8_t param);
-void UI_func_note_refresh(uint8_t param);
-void UI_func_polyphony(uint8_t param);
-void UI_func_mono_poly(uint8_t param);
-void UI_func_pb_range(uint8_t param);
-void UI_func_pb_step(uint8_t param);
-void UI_func_mw_range(uint8_t param);
-void UI_func_mw_assign(uint8_t param);
-void UI_func_mw_mode(uint8_t param);
-void UI_func_fc_range(uint8_t param);
-void UI_func_fc_assign(uint8_t param);
-void UI_func_fc_mode(uint8_t param);
-void UI_func_bc_range(uint8_t param);
-void UI_func_bc_assign(uint8_t param);
-void UI_func_bc_mode(uint8_t param);
-void UI_func_at_range(uint8_t param);
-void UI_func_at_assign(uint8_t param);
-void UI_func_at_mode(uint8_t param);
-void UI_func_portamento_mode(uint8_t param);
-void UI_func_portamento_glissando(uint8_t param);
-void UI_func_portamento_time(uint8_t param);
-void UI_handle_OP(uint8_t param);
-void UI_func_information(uint8_t param);
-void UI_func_set_performance_name(uint8_t param);
-void UI_func_volume(uint8_t param);
-void UI_func_smart_filter(uint8_t param);
-void UI_func_load_performance(uint8_t param);
-void UI_func_save_performance(uint8_t param);
-void UI_func_save_voice(uint8_t param);
-void UI_func_midi_soft_thru(uint8_t param);
-void UI_func_velocity_level(uint8_t param);
-void UI_func_engine(uint8_t param);
-void UI_func_voice_select(uint8_t param);
-void UI_func_sysex_send_voice(uint8_t param);
-void UI_func_sysex_receive_bank(uint8_t param);
-void UI_func_sysex_send_bank(uint8_t param);
-void UI_func_eq_1(uint8_t param);
-void UI_func_eq_2(uint8_t param);
-void UI_func_eq_3(uint8_t param);
-void UI_func_eq_4(uint8_t param);
-void UI_func_eq_5(uint8_t param);
-void UI_func_eq_6(uint8_t param);
-void UI_func_eq_7(uint8_t param);
-void UI_func_startup(uint8_t param);
-void UI_function_not_enabled(void);
-void UI_function_not_implemented(uint8_t param);
-void UI_func_favorites(uint8_t param);
-void UI_func_epiano_sound_intensity(uint8_t param);
-void UI_func_epiano_panorama(uint8_t param);
-void UI_func_epiano_decay(uint8_t param);
-void UI_func_epiano_release(uint8_t param);
-void UI_func_epiano_hardness(uint8_t param);
-void UI_func_epiano_treble(uint8_t param);
-void UI_func_epiano_stereo(uint8_t param);
-void UI_func_epiano_tune(uint8_t param);
-void UI_func_epiano_detune(uint8_t param);
-void UI_func_epiano_pan_tremolo(uint8_t param);
-void UI_func_epiano_pan_lfo(uint8_t param);
-void UI_func_epiano_overdrive(uint8_t param);
-void UI_func_epiano_reverb_send(uint8_t param);
-void UI_func_epiano_midi_channel(uint8_t param);
-void UI_func_epiano_lowest_note(uint8_t param);
-void UI_func_epiano_highest_note(uint8_t param);
-void UI_func_epiano_transpose(uint8_t param);
-void UI_func_epiano_polyphony(uint8_t param);
-void UI_func_epiano_velocity_sense(uint8_t param);
-void UI_func_epiano_chorus_frequency(uint8_t param);
-void UI_func_epiano_chorus_waveform(uint8_t param);
-void UI_func_epiano_chorus_depth(uint8_t param);
-void UI_func_epiano_chorus_level(uint8_t param);
-void UI_func_drum_midi_channel(uint8_t param);
-void UI_func_drum_main_volume(uint8_t param);
-void UI_func_drum_vol_min_max(uint8_t param);
-void UI_func_drum_pan(uint8_t param);
-void UI_func_drum_pitch(uint8_t param);
-void UI_func_drum_midi_note(uint8_t param);
-void UI_update_instance_icons();
-bool UI_select_name(uint8_t y, uint8_t x, char* edit_string, uint8_t len, bool init);
-uint8_t search_accepted_char(uint8_t c);
-void display_int(int16_t var, uint8_t size, bool zeros, bool brackets, bool sign);
-void display_float(float var, uint8_t size_number, uint8_t size_fraction, bool zeros, bool brackets, bool sign);
-void display_bar_int(const char* title, uint32_t value, float factor, int32_t min_value, int32_t max_value, uint8_t size, bool zeros, bool sign, bool init);
-void display_bar_float(const char* title, float value, float factor, int32_t min_value, int32_t max_value, uint8_t size_number, uint8_t size_fraction, bool zeros, bool sign, bool init);
-void display_meter_int(const char* title, uint32_t value, float factor, float offset, int32_t min_value, int32_t max_value, uint8_t size, bool zeros, bool sign, bool init);
-void display_meter_float(const char* title, float value, float factor, float offset, int32_t min_value, int32_t max_value, uint8_t size_number, uint8_t size_fraction, bool zeros, bool sign, bool init);
-void lcd_active_instance_number(uint8_t instance_id);
-void lcd_OP_active_instance_number(uint8_t instance_id, uint8_t op);
-void lcd_special_chars(uint8_t mode);
-void string_trim(char* s);
-void save_favorite(uint8_t b, uint8_t v, uint8_t instance_id);
-void draw_favorite_icon(uint8_t b, uint8_t v, uint8_t instance_id);
-bool check_favorite(uint8_t b, uint8_t v, uint8_t instance_id);
-bool quick_check_favorites_in_bank(uint8_t b, uint8_t instance_id);
-void locate_previous_non_favorite();
-void locate_previous_favorite();
-void locate_next_favorite();
-void locate_next_non_favorite();
-void locate_random_non_favorite();
+FLASHMEM void lcdml_menu_display(void);
+FLASHMEM void lcdml_menu_clear(void);
+FLASHMEM void lcdml_menu_control(void);
+FLASHMEM void UI_func_reverb_roomsize(uint8_t param);
+FLASHMEM void UI_func_reverb_damping(uint8_t param);
+FLASHMEM void UI_func_reverb_lowpass(uint8_t param);
+FLASHMEM void UI_func_reverb_lodamp(uint8_t param);
+FLASHMEM void UI_func_reverb_hidamp(uint8_t param);
+FLASHMEM void UI_func_reverb_diffusion(uint8_t param);
+FLASHMEM void UI_func_reverb_level(uint8_t param);
+FLASHMEM void UI_func_chorus_frequency(uint8_t param);
+FLASHMEM void UI_func_chorus_waveform(uint8_t param);
+FLASHMEM void UI_func_chorus_depth(uint8_t param);
+FLASHMEM void UI_func_chorus_level(uint8_t param);
+FLASHMEM void UI_func_delay_time(uint8_t param);
+FLASHMEM void UI_func_delay_feedback(uint8_t param);
+FLASHMEM void UI_func_delay_level(uint8_t param);
+FLASHMEM void UI_func_reverb_send(uint8_t param);
+FLASHMEM void UI_func_filter_cutoff(uint8_t param);
+FLASHMEM void UI_func_filter_resonance(uint8_t param);
+FLASHMEM void UI_func_drum_reverb_send(uint8_t param);
+FLASHMEM void UI_func_transpose(uint8_t param);
+FLASHMEM void UI_func_tune(uint8_t param);
+FLASHMEM void UI_func_midi_channel(uint8_t param);
+FLASHMEM void UI_func_lowest_note(uint8_t param);
+FLASHMEM void UI_func_highest_note(uint8_t param);
+FLASHMEM void UI_func_sound_intensity(uint8_t param);
+FLASHMEM void UI_func_panorama(uint8_t param);
+FLASHMEM void UI_func_stereo_mono(uint8_t param);
+FLASHMEM void UI_func_note_refresh(uint8_t param);
+FLASHMEM void UI_func_polyphony(uint8_t param);
+FLASHMEM void UI_func_mono_poly(uint8_t param);
+FLASHMEM void UI_func_pb_range(uint8_t param);
+FLASHMEM void UI_func_pb_step(uint8_t param);
+FLASHMEM void UI_func_mw_range(uint8_t param);
+FLASHMEM void UI_func_mw_assign(uint8_t param);
+FLASHMEM void UI_func_mw_mode(uint8_t param);
+FLASHMEM void UI_func_fc_range(uint8_t param);
+FLASHMEM void UI_func_fc_assign(uint8_t param);
+FLASHMEM void UI_func_fc_mode(uint8_t param);
+FLASHMEM void UI_func_bc_range(uint8_t param);
+FLASHMEM void UI_func_bc_assign(uint8_t param);
+FLASHMEM void UI_func_bc_mode(uint8_t param);
+FLASHMEM void UI_func_at_range(uint8_t param);
+FLASHMEM void UI_func_at_assign(uint8_t param);
+FLASHMEM void UI_func_at_mode(uint8_t param);
+FLASHMEM void UI_func_portamento_mode(uint8_t param);
+FLASHMEM void UI_func_portamento_glissando(uint8_t param);
+FLASHMEM void UI_func_portamento_time(uint8_t param);
+FLASHMEM void UI_handle_OP(uint8_t param);
+FLASHMEM void UI_func_information(uint8_t param);
+FLASHMEM void UI_func_set_performance_name(uint8_t param);
+FLASHMEM void UI_func_volume(uint8_t param);
+FLASHMEM void UI_func_smart_filter(uint8_t param);
+FLASHMEM void UI_func_load_performance(uint8_t param);
+FLASHMEM void UI_func_save_performance(uint8_t param);
+FLASHMEM void UI_func_save_voice(uint8_t param);
+FLASHMEM void UI_func_midi_soft_thru(uint8_t param);
+FLASHMEM void UI_func_velocity_level(uint8_t param);
+FLASHMEM void UI_func_engine(uint8_t param);
+FLASHMEM void UI_func_voice_select(uint8_t param);
+FLASHMEM void UI_func_sysex_send_voice(uint8_t param);
+FLASHMEM void UI_func_sysex_receive_bank(uint8_t param);
+FLASHMEM void UI_func_sysex_send_bank(uint8_t param);
+FLASHMEM void UI_func_eq_1(uint8_t param);
+FLASHMEM void UI_func_eq_2(uint8_t param);
+FLASHMEM void UI_func_eq_3(uint8_t param);
+FLASHMEM void UI_func_eq_4(uint8_t param);
+FLASHMEM void UI_func_eq_5(uint8_t param);
+FLASHMEM void UI_func_eq_6(uint8_t param);
+FLASHMEM void UI_func_eq_7(uint8_t param);
+FLASHMEM void UI_func_startup(uint8_t param);
+FLASHMEM void UI_function_not_enabled(void);
+FLASHMEM void UI_function_not_implemented(uint8_t param);
+FLASHMEM void UI_func_favorites(uint8_t param);
+FLASHMEM void UI_func_epiano_sound_intensity(uint8_t param);
+FLASHMEM void UI_func_epiano_panorama(uint8_t param);
+FLASHMEM void UI_func_epiano_decay(uint8_t param);
+FLASHMEM void UI_func_epiano_release(uint8_t param);
+FLASHMEM void UI_func_epiano_hardness(uint8_t param);
+FLASHMEM void UI_func_epiano_treble(uint8_t param);
+FLASHMEM void UI_func_epiano_stereo(uint8_t param);
+FLASHMEM void UI_func_epiano_tune(uint8_t param);
+FLASHMEM void UI_func_epiano_detune(uint8_t param);
+FLASHMEM void UI_func_epiano_pan_tremolo(uint8_t param);
+FLASHMEM void UI_func_epiano_pan_lfo(uint8_t param);
+FLASHMEM void UI_func_epiano_overdrive(uint8_t param);
+FLASHMEM void UI_func_epiano_reverb_send(uint8_t param);
+FLASHMEM void UI_func_epiano_midi_channel(uint8_t param);
+FLASHMEM void UI_func_epiano_lowest_note(uint8_t param);
+FLASHMEM void UI_func_epiano_highest_note(uint8_t param);
+FLASHMEM void UI_func_epiano_transpose(uint8_t param);
+FLASHMEM void UI_func_epiano_polyphony(uint8_t param);
+FLASHMEM void UI_func_epiano_velocity_sense(uint8_t param);
+FLASHMEM void UI_func_epiano_chorus_frequency(uint8_t param);
+FLASHMEM void UI_func_epiano_chorus_waveform(uint8_t param);
+FLASHMEM void UI_func_epiano_chorus_depth(uint8_t param);
+FLASHMEM void UI_func_epiano_chorus_level(uint8_t param);
+FLASHMEM void UI_func_drum_midi_channel(uint8_t param);
+FLASHMEM void UI_func_drum_main_volume(uint8_t param);
+FLASHMEM void UI_func_drum_vol_min_max(uint8_t param);
+FLASHMEM void UI_func_drum_pan(uint8_t param);
+FLASHMEM void UI_func_drum_pitch(uint8_t param);
+FLASHMEM void UI_func_drum_midi_note(uint8_t param);
+FLASHMEM void UI_update_instance_icons();
+FLASHMEM bool UI_select_name(uint8_t y, uint8_t x, char* edit_string, uint8_t len, bool init);
+FLASHMEM uint8_t search_accepted_char(uint8_t c);
+FLASHMEM void display_int(int16_t var, uint8_t size, bool zeros, bool brackets, bool sign);
+FLASHMEM void display_float(float var, uint8_t size_number, uint8_t size_fraction, bool zeros, bool brackets, bool sign);
+FLASHMEM void display_bar_int(const char* title, uint32_t value, float factor, int32_t min_value, int32_t max_value, uint8_t size, bool zeros, bool sign, bool init);
+FLASHMEM void display_bar_float(const char* title, float value, float factor, int32_t min_value, int32_t max_value, uint8_t size_number, uint8_t size_fraction, bool zeros, bool sign, bool init);
+FLASHMEM void display_meter_int(const char* title, uint32_t value, float factor, float offset, int32_t min_value, int32_t max_value, uint8_t size, bool zeros, bool sign, bool init);
+FLASHMEM void display_meter_float(const char* title, float value, float factor, float offset, int32_t min_value, int32_t max_value, uint8_t size_number, uint8_t size_fraction, bool zeros, bool sign, bool init);
+FLASHMEM void lcd_active_instance_number(uint8_t instance_id);
+FLASHMEM void lcd_OP_active_instance_number(uint8_t instance_id, uint8_t op);
+FLASHMEM void lcd_special_chars(uint8_t mode);
+FLASHMEM void string_trim(char* s);
+FLASHMEM void save_favorite(uint8_t b, uint8_t v, uint8_t instance_id);
+FLASHMEM void draw_favorite_icon(uint8_t b, uint8_t v, uint8_t instance_id);
+FLASHMEM bool check_favorite(uint8_t b, uint8_t v, uint8_t instance_id);
+FLASHMEM bool quick_check_favorites_in_bank(uint8_t b, uint8_t instance_id);
+FLASHMEM void locate_previous_non_favorite();
+FLASHMEM void locate_previous_favorite();
+FLASHMEM void locate_next_favorite();
+FLASHMEM void locate_next_non_favorite();
+FLASHMEM void locate_random_non_favorite();
 
 char* basename(const char* filename);
 char* strip_extension(char* filename);
@@ -549,7 +549,7 @@ uint8_t get_current_cursor_id(void) {
     return (0);
 }
 
-void lcdml_menu_control(void) {
+FLASHMEM void lcdml_menu_control(void) {
   // If something must init, put in in the setup condition
   if (LCDML.BT_setup()) {
     pinMode(BUT_R_PIN, INPUT_PULLUP);
@@ -782,12 +782,12 @@ void lcdml_menu_control(void) {
 /***********************************************************************
    MENU DISPLAY
  ***********************************************************************/
-void lcdml_menu_clear(void) {
+FLASHMEM void lcdml_menu_clear(void) {
   display.clear();
   display.setCursor(0, 0);
 }
 
-void lcdml_menu_display(void) {
+FLASHMEM void lcdml_menu_display(void) {
   // update content
   // ***************
   if (LCDML.DISP_checkMenuUpdate()) {
@@ -912,7 +912,7 @@ void lcdml_menu_display(void) {
    MENU
  ***********************************************************************/
 
-void UI_func_reverb_roomsize(uint8_t param) {
+FLASHMEM void UI_func_reverb_roomsize(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -941,7 +941,7 @@ void UI_func_reverb_roomsize(uint8_t param) {
   }
 }
 
-void UI_func_reverb_lowpass(uint8_t param) {
+FLASHMEM void UI_func_reverb_lowpass(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -971,7 +971,7 @@ void UI_func_reverb_lowpass(uint8_t param) {
   }
 }
 
-void UI_func_reverb_lodamp(uint8_t param) {
+FLASHMEM void UI_func_reverb_lodamp(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1001,7 +1001,7 @@ void UI_func_reverb_lodamp(uint8_t param) {
   }
 }
 
-void UI_func_reverb_hidamp(uint8_t param) {
+FLASHMEM void UI_func_reverb_hidamp(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1031,7 +1031,7 @@ void UI_func_reverb_hidamp(uint8_t param) {
   }
 }
 
-void UI_func_reverb_diffusion(uint8_t param) {
+FLASHMEM void UI_func_reverb_diffusion(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1061,7 +1061,7 @@ void UI_func_reverb_diffusion(uint8_t param) {
   }
 }
 
-void UI_func_reverb_level(uint8_t param) {
+FLASHMEM void UI_func_reverb_level(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1094,7 +1094,7 @@ void UI_func_reverb_level(uint8_t param) {
   }
 }
 
-void UI_func_chorus_frequency(uint8_t param) {
+FLASHMEM void UI_func_chorus_frequency(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1133,7 +1133,7 @@ void UI_func_chorus_frequency(uint8_t param) {
   }
 }
 
-void UI_func_chorus_waveform(uint8_t param) {
+FLASHMEM void UI_func_chorus_waveform(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1183,7 +1183,7 @@ void UI_func_chorus_waveform(uint8_t param) {
   }
 }
 
-void UI_func_chorus_depth(uint8_t param) {
+FLASHMEM void UI_func_chorus_depth(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1223,7 +1223,7 @@ void UI_func_chorus_depth(uint8_t param) {
   }
 }
 
-void UI_func_chorus_level(uint8_t param) {
+FLASHMEM void UI_func_chorus_level(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1269,7 +1269,7 @@ void UI_func_chorus_level(uint8_t param) {
   }
 }
 
-void UI_func_delay_time(uint8_t param) {
+FLASHMEM void UI_func_delay_time(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1325,7 +1325,7 @@ void UI_func_delay_time(uint8_t param) {
   }
 }
 
-void UI_func_delay_feedback(uint8_t param) {
+FLASHMEM void UI_func_delay_feedback(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1368,7 +1368,7 @@ void UI_func_delay_feedback(uint8_t param) {
   }
 }
 
-void UI_func_delay_level(uint8_t param) {
+FLASHMEM void UI_func_delay_level(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1411,7 +1411,7 @@ void UI_func_delay_level(uint8_t param) {
   }
 }
 
-void UI_func_reverb_send(uint8_t param) {
+FLASHMEM void UI_func_reverb_send(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1455,7 +1455,7 @@ void UI_func_reverb_send(uint8_t param) {
   }
 }
 
-void UI_func_filter_cutoff(uint8_t param) {
+FLASHMEM void UI_func_filter_cutoff(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1488,7 +1488,7 @@ void UI_func_filter_cutoff(uint8_t param) {
 
     display_bar_int("Filter Cutoff", configuration.fx.filter_cutoff[selected_instance_id], 1.0, FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX, 3, false, false, false);
 
-    MicroDexed[selected_instance_id]->setFilterCutoff(mapfloat(configuration.fx.filter_cutoff[selected_instance_id], FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX, 1.0, 0.0));
+    //MicroDexed[selected_instance_id]->setFilterCutoff(mapfloat(configuration.fx.filter_cutoff[selected_instance_id], FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX, 1.0, 0.0));
   }
 
   if (LCDML.FUNC_close())  // ****** STABLE END *********
@@ -1498,7 +1498,7 @@ void UI_func_filter_cutoff(uint8_t param) {
   }
 }
 
-void UI_func_filter_resonance(uint8_t param) {
+FLASHMEM void UI_func_filter_resonance(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1531,7 +1531,7 @@ void UI_func_filter_resonance(uint8_t param) {
 
     display_bar_int("Filter Reso.", configuration.fx.filter_resonance[selected_instance_id], 1.0, FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX, 3, false, false, false);
 
-    MicroDexed[selected_instance_id]->setFilterResonance(mapfloat(configuration.fx.filter_resonance[selected_instance_id], FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX, 1.0, 0.0));
+    //MicroDexed[selected_instance_id]->setFilterResonance(mapfloat(configuration.fx.filter_resonance[selected_instance_id], FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX, 1.0, 0.0));
   }
 
   if (LCDML.FUNC_close())  // ****** STABLE END *********
@@ -1541,7 +1541,7 @@ void UI_func_filter_resonance(uint8_t param) {
   }
 }
 
-void UI_func_transpose(uint8_t param) {
+FLASHMEM void UI_func_transpose(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1583,7 +1583,7 @@ void UI_func_transpose(uint8_t param) {
   }
 }
 
-void UI_func_tune(uint8_t param) {
+FLASHMEM void UI_func_tune(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1627,7 +1627,7 @@ void UI_func_tune(uint8_t param) {
   }
 }
 
-void UI_func_midi_channel(uint8_t param) {
+FLASHMEM void UI_func_midi_channel(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1668,7 +1668,7 @@ void UI_func_midi_channel(uint8_t param) {
   }
 }
 
-void getNoteName(char* noteName, uint8_t noteNumber) {
+FLASHMEM void getNoteName(char* noteName, uint8_t noteNumber) {
   char notes[12][3] = { "A", "A#", "B", "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#" };
   uint8_t oct_index = noteNumber - 12;
 
@@ -1676,7 +1676,7 @@ void getNoteName(char* noteName, uint8_t noteNumber) {
   snprintf_P(noteName, sizeof(noteName), PSTR("%2S%1d"), notes[noteNumber % 12], oct_index / 12);
 }
 
-void UI_func_lowest_note(uint8_t param) {
+FLASHMEM void UI_func_lowest_note(uint8_t param) {
   char note_name[4];
 
   if (LCDML.FUNC_setup())  // ****** SETUP *********
@@ -1726,7 +1726,7 @@ void UI_func_lowest_note(uint8_t param) {
   }
 }
 
-void UI_func_highest_note(uint8_t param) {
+FLASHMEM void UI_func_highest_note(uint8_t param) {
   char note_name[4];
 
   if (LCDML.FUNC_setup())  // ****** SETUP *********
@@ -1775,7 +1775,7 @@ void UI_func_highest_note(uint8_t param) {
   }
 }
 
-void UI_func_sound_intensity(uint8_t param) {
+FLASHMEM void UI_func_sound_intensity(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1820,7 +1820,7 @@ void UI_func_sound_intensity(uint8_t param) {
   }
 }
 
-void UI_func_panorama(uint8_t param) {
+FLASHMEM void UI_func_panorama(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1869,7 +1869,7 @@ void UI_func_panorama(uint8_t param) {
   }
 }
 
-void UI_func_favorites(uint8_t param) {
+FLASHMEM void UI_func_favorites(uint8_t param) {
   static uint8_t old_favorites;
 
   if (LCDML.FUNC_setup())  // ****** SETUP *********
@@ -1931,7 +1931,7 @@ void UI_func_favorites(uint8_t param) {
   }
 }
 
-void UI_func_epiano_midi_channel(uint8_t param) {
+FLASHMEM void UI_func_epiano_midi_channel(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -1962,7 +1962,7 @@ void UI_func_epiano_midi_channel(uint8_t param) {
   }
 }
 
-void UI_func_epiano_lowest_note(uint8_t param) {
+FLASHMEM void UI_func_epiano_lowest_note(uint8_t param) {
   char note_name[4];
 
   if (LCDML.FUNC_setup())  // ****** SETUP *********
@@ -2001,7 +2001,7 @@ void UI_func_epiano_lowest_note(uint8_t param) {
   }
 }
 
-void UI_func_epiano_highest_note(uint8_t param) {
+FLASHMEM void UI_func_epiano_highest_note(uint8_t param) {
   char note_name[4];
 
   if (LCDML.FUNC_setup())  // ****** SETUP *********
@@ -2040,7 +2040,7 @@ void UI_func_epiano_highest_note(uint8_t param) {
   }
 }
 
-void UI_func_epiano_sound_intensity(uint8_t param) {
+FLASHMEM void UI_func_epiano_sound_intensity(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2074,7 +2074,7 @@ void UI_func_epiano_sound_intensity(uint8_t param) {
   }
 }
 
-void UI_func_epiano_panorama(uint8_t param) {
+FLASHMEM void UI_func_epiano_panorama(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2114,7 +2114,7 @@ void UI_func_epiano_panorama(uint8_t param) {
   }
 }
 
-void UI_func_epiano_decay(uint8_t param) {
+FLASHMEM void UI_func_epiano_decay(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2146,7 +2146,7 @@ void UI_func_epiano_decay(uint8_t param) {
   }
 }
 
-void UI_func_epiano_release(uint8_t param) {
+FLASHMEM void UI_func_epiano_release(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2178,7 +2178,7 @@ void UI_func_epiano_release(uint8_t param) {
   }
 }
 
-void UI_func_epiano_hardness(uint8_t param) {
+FLASHMEM void UI_func_epiano_hardness(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2210,7 +2210,7 @@ void UI_func_epiano_hardness(uint8_t param) {
   }
 }
 
-void UI_func_epiano_treble(uint8_t param) {
+FLASHMEM void UI_func_epiano_treble(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2242,7 +2242,7 @@ void UI_func_epiano_treble(uint8_t param) {
   }
 }
 
-void UI_func_epiano_stereo(uint8_t param) {
+FLASHMEM void UI_func_epiano_stereo(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2274,7 +2274,7 @@ void UI_func_epiano_stereo(uint8_t param) {
   }
 }
 
-void UI_func_epiano_tune(uint8_t param) {
+FLASHMEM void UI_func_epiano_tune(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2306,7 +2306,7 @@ void UI_func_epiano_tune(uint8_t param) {
   }
 }
 
-void UI_func_epiano_detune(uint8_t param) {
+FLASHMEM void UI_func_epiano_detune(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2338,7 +2338,7 @@ void UI_func_epiano_detune(uint8_t param) {
   }
 }
 
-void UI_func_epiano_pan_tremolo(uint8_t param) {
+FLASHMEM void UI_func_epiano_pan_tremolo(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2373,7 +2373,7 @@ void UI_func_epiano_pan_tremolo(uint8_t param) {
   }
 }
 
-void UI_func_epiano_pan_lfo(uint8_t param) {
+FLASHMEM void UI_func_epiano_pan_lfo(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2408,7 +2408,7 @@ void UI_func_epiano_pan_lfo(uint8_t param) {
   }
 }
 
-void UI_func_epiano_overdrive(uint8_t param) {
+FLASHMEM void UI_func_epiano_overdrive(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2440,7 +2440,7 @@ void UI_func_epiano_overdrive(uint8_t param) {
   }
 }
 
-void UI_func_epiano_transpose(uint8_t param) {
+FLASHMEM void UI_func_epiano_transpose(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2468,7 +2468,7 @@ void UI_func_epiano_transpose(uint8_t param) {
   }
 }
 
-void UI_func_epiano_polyphony(uint8_t param) {
+FLASHMEM void UI_func_epiano_polyphony(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2502,7 +2502,7 @@ void UI_func_epiano_polyphony(uint8_t param) {
   }
 }
 
-void UI_func_epiano_velocity_sense(uint8_t param) {
+FLASHMEM void UI_func_epiano_velocity_sense(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2534,7 +2534,7 @@ void UI_func_epiano_velocity_sense(uint8_t param) {
   }
 }
 
-void UI_func_epiano_reverb_send(uint8_t param) {
+FLASHMEM void UI_func_epiano_reverb_send(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2568,7 +2568,7 @@ void UI_func_epiano_reverb_send(uint8_t param) {
   }
 }
 
-void UI_func_epiano_chorus_frequency(uint8_t param) {
+FLASHMEM void UI_func_epiano_chorus_frequency(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2596,7 +2596,7 @@ void UI_func_epiano_chorus_frequency(uint8_t param) {
   }
 }
 
-void UI_func_epiano_chorus_waveform(uint8_t param) {
+FLASHMEM void UI_func_epiano_chorus_waveform(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2636,7 +2636,7 @@ void UI_func_epiano_chorus_waveform(uint8_t param) {
   }
 }
 
-void UI_func_epiano_chorus_depth(uint8_t param) {
+FLASHMEM void UI_func_epiano_chorus_depth(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2665,7 +2665,7 @@ void UI_func_epiano_chorus_depth(uint8_t param) {
   }
 }
 
-void UI_func_epiano_chorus_level(uint8_t param) {
+FLASHMEM void UI_func_epiano_chorus_level(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2698,7 +2698,7 @@ void UI_func_epiano_chorus_level(uint8_t param) {
   }
 }
 
-void UI_func_stereo_mono(uint8_t param) {
+FLASHMEM void UI_func_stereo_mono(uint8_t param) {
   static uint8_t old_mono;
 
   if (LCDML.FUNC_setup())  // ****** SETUP *********
@@ -2770,7 +2770,7 @@ void UI_func_stereo_mono(uint8_t param) {
   }
 }
 
-void UI_func_polyphony(uint8_t param) {
+FLASHMEM void UI_func_polyphony(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2831,7 +2831,7 @@ void UI_func_polyphony(uint8_t param) {
   }
 }
 
-void UI_func_mono_poly(uint8_t param) {
+FLASHMEM void UI_func_mono_poly(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2881,7 +2881,7 @@ void UI_func_mono_poly(uint8_t param) {
   }
 }
 
-void UI_func_note_refresh(uint8_t param) {
+FLASHMEM void UI_func_note_refresh(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2932,7 +2932,7 @@ void UI_func_note_refresh(uint8_t param) {
   }
 }
 
-void UI_func_pb_range(uint8_t param) {
+FLASHMEM void UI_func_pb_range(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -2973,7 +2973,7 @@ void UI_func_pb_range(uint8_t param) {
   }
 }
 
-void UI_func_pb_step(uint8_t param) {
+FLASHMEM void UI_func_pb_step(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3014,7 +3014,7 @@ void UI_func_pb_step(uint8_t param) {
   }
 }
 
-void UI_func_mw_range(uint8_t param) {
+FLASHMEM void UI_func_mw_range(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3055,7 +3055,7 @@ void UI_func_mw_range(uint8_t param) {
   }
 }
 
-void UI_func_mw_assign(uint8_t param) {
+FLASHMEM void UI_func_mw_assign(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3122,7 +3122,7 @@ void UI_func_mw_assign(uint8_t param) {
   }
 }
 
-void UI_func_mw_mode(uint8_t param) {
+FLASHMEM void UI_func_mw_mode(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3174,7 +3174,7 @@ void UI_func_mw_mode(uint8_t param) {
   }
 }
 
-void UI_func_fc_range(uint8_t param) {
+FLASHMEM void UI_func_fc_range(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3215,7 +3215,7 @@ void UI_func_fc_range(uint8_t param) {
   }
 }
 
-void UI_func_fc_assign(uint8_t param) {
+FLASHMEM void UI_func_fc_assign(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3282,7 +3282,7 @@ void UI_func_fc_assign(uint8_t param) {
   }
 }
 
-void UI_func_fc_mode(uint8_t param) {
+FLASHMEM void UI_func_fc_mode(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3334,7 +3334,7 @@ void UI_func_fc_mode(uint8_t param) {
   }
 }
 
-void UI_func_bc_range(uint8_t param) {
+FLASHMEM void UI_func_bc_range(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3375,7 +3375,7 @@ void UI_func_bc_range(uint8_t param) {
   }
 }
 
-void UI_func_bc_assign(uint8_t param) {
+FLASHMEM void UI_func_bc_assign(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3442,7 +3442,7 @@ void UI_func_bc_assign(uint8_t param) {
   }
 }
 
-void UI_func_bc_mode(uint8_t param) {
+FLASHMEM void UI_func_bc_mode(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3494,7 +3494,7 @@ void UI_func_bc_mode(uint8_t param) {
   }
 }
 
-void UI_func_at_range(uint8_t param) {
+FLASHMEM void UI_func_at_range(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3535,7 +3535,7 @@ void UI_func_at_range(uint8_t param) {
   }
 }
 
-void UI_func_at_assign(uint8_t param) {
+FLASHMEM void UI_func_at_assign(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3602,7 +3602,7 @@ void UI_func_at_assign(uint8_t param) {
   }
 }
 
-void UI_func_at_mode(uint8_t param) {
+FLASHMEM void UI_func_at_mode(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3654,7 +3654,7 @@ void UI_func_at_mode(uint8_t param) {
   }
 }
 
-void UI_func_portamento_mode(uint8_t param) {
+FLASHMEM void UI_func_portamento_mode(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3709,7 +3709,7 @@ void UI_func_portamento_mode(uint8_t param) {
   }
 }
 
-void UI_func_portamento_glissando(uint8_t param) {
+FLASHMEM void UI_func_portamento_glissando(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3758,7 +3758,7 @@ void UI_func_portamento_glissando(uint8_t param) {
   }
 }
 
-void UI_func_portamento_time(uint8_t param) {
+FLASHMEM void UI_func_portamento_time(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -3799,7 +3799,7 @@ void UI_func_portamento_time(uint8_t param) {
   }
 }
 
-void UI_handle_OP(uint8_t param) {
+FLASHMEM void UI_handle_OP(uint8_t param) {
   static uint8_t op_selected;
 
   lcd_OP_active_instance_number(selected_instance_id, configuration.dexed[selected_instance_id].op_enabled);
@@ -3866,7 +3866,7 @@ void UI_handle_OP(uint8_t param) {
 }
 
 #if NUM_DRUMS > 0
-void _check_yes_no_back(uint8_t state) {
+FLASHMEM void _check_yes_no_back(uint8_t state) {
   if (state == 0) {  // BACK
     display.setCursor(0, 1);
     display.print(F(" "));
@@ -3909,7 +3909,7 @@ void _check_yes_no_back(uint8_t state) {
   }
 }
 
-void _check_display_name(bool display_name, uint8_t digits) {
+FLASHMEM void _check_display_name(bool display_name, uint8_t digits) {
   if (display_name == true) {
     display.setCursor(0, 1);
     display.print(F("["));
@@ -3931,7 +3931,7 @@ void _check_display_name(bool display_name, uint8_t digits) {
   }
 }
 
-void _check_display_name_min_max(uint8_t input_mode, uint8_t input_type, uint8_t digits) {
+FLASHMEM void _check_display_name_min_max(uint8_t input_mode, uint8_t input_type, uint8_t digits) {
   switch (input_mode) {
     case 0:
       display.setCursor(7, 0);
@@ -3982,7 +3982,7 @@ void _check_display_name_min_max(uint8_t input_mode, uint8_t input_type, uint8_t
 }
 #endif
 
-void UI_func_drum_midi_channel(uint8_t param) {
+FLASHMEM void UI_func_drum_midi_channel(uint8_t param) {
 #if NUM_DRUMS == 0
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
@@ -4035,7 +4035,7 @@ void UI_func_drum_midi_channel(uint8_t param) {
   }
 }
 
-void UI_func_drum_main_volume(uint8_t param) {
+FLASHMEM void UI_func_drum_main_volume(uint8_t param) {
 #if NUM_DRUMS == 0
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
@@ -4075,7 +4075,7 @@ void UI_func_drum_main_volume(uint8_t param) {
   }
 }
 
-void UI_func_drum_pitch(uint8_t param) {
+FLASHMEM void UI_func_drum_pitch(uint8_t param) {
 #if NUM_DRUMS == 0
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
@@ -4152,7 +4152,7 @@ void UI_func_drum_pitch(uint8_t param) {
   }
 }
 
-void UI_func_drum_vol_min_max(uint8_t param) {
+FLASHMEM void UI_func_drum_vol_min_max(uint8_t param) {
 #if NUM_DRUMS == 0
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
@@ -4261,7 +4261,7 @@ void UI_func_drum_vol_min_max(uint8_t param) {
   }
 }
 
-void UI_func_drum_pan(uint8_t param) {
+FLASHMEM void UI_func_drum_pan(uint8_t param) {
 #if NUM_DRUMS == 0
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
@@ -4339,7 +4339,7 @@ void UI_func_drum_pan(uint8_t param) {
   }
 }
 
-void UI_func_drum_reverb_send(uint8_t param) {
+FLASHMEM void UI_func_drum_reverb_send(uint8_t param) {
 #if NUM_DRUMS == 0
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
@@ -4417,7 +4417,7 @@ void UI_func_drum_reverb_send(uint8_t param) {
   }
 }
 
-void UI_func_drum_midi_note(uint8_t param) {
+FLASHMEM void UI_func_drum_midi_note(uint8_t param) {
 #if NUM_DRUMS == 0
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
@@ -4570,7 +4570,7 @@ void UI_func_drum_midi_note(uint8_t param) {
   }
 }
 
-void UI_func_save_performance(uint8_t param) {
+FLASHMEM void UI_func_save_performance(uint8_t param) {
   static bool overwrite;
   static bool yesno;
   static uint8_t mode;
@@ -4681,7 +4681,7 @@ void UI_func_save_performance(uint8_t param) {
   }
 }
 
-void UI_func_load_performance(uint8_t param) {
+FLASHMEM void UI_func_load_performance(uint8_t param) {
   static uint8_t mode;
 
   if (LCDML.FUNC_setup())  // ****** SETUP *********
@@ -4751,7 +4751,7 @@ void UI_func_load_performance(uint8_t param) {
   }
 }
 
-void UI_func_information(uint8_t param) {
+FLASHMEM void UI_func_information(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     char version_string[LCD_cols + 1];
@@ -4778,7 +4778,7 @@ void UI_func_information(uint8_t param) {
   }
 }
 
-void UI_func_midi_soft_thru(uint8_t param) {
+FLASHMEM void UI_func_midi_soft_thru(uint8_t param) {
   static uint8_t old_soft_midi_thru;
 
   if (LCDML.FUNC_setup())  // ****** SETUP *********
@@ -4820,7 +4820,7 @@ void UI_func_midi_soft_thru(uint8_t param) {
   }
 }
 
-void UI_func_velocity_level(uint8_t param) {
+FLASHMEM void UI_func_velocity_level(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -4858,7 +4858,7 @@ void UI_func_velocity_level(uint8_t param) {
   }
 }
 
-void UI_func_engine(uint8_t param) {
+FLASHMEM void UI_func_engine(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -4918,14 +4918,14 @@ void UI_func_engine(uint8_t param) {
   }
 }
 
-void UI_update_instance_icons() {
+FLASHMEM void UI_update_instance_icons() {
   display.setCursor(14, 0);
   display.write(0);  //Icon for first instance
   display.setCursor(15, 0);
   display.write(1);  //Icon for second instance
 }
 
-void UI_func_voice_select(uint8_t param) {
+FLASHMEM void UI_func_voice_select(uint8_t param) {
   static uint8_t menu_voice_select = MENU_VOICE_SOUND;
 
   if (LCDML.FUNC_setup())  // ****** SETUP *********
@@ -5113,7 +5113,7 @@ void UI_func_voice_select(uint8_t param) {
   }
 }
 
-void UI_func_volume(uint8_t param) {
+FLASHMEM void UI_func_volume(uint8_t param) {
   char tmp[6];
   static uint8_t old_volume;
 
@@ -5269,7 +5269,7 @@ void UI_func_volume(uint8_t param) {
   }
 }
 
-void UI_func_save_voice(uint8_t param) {
+FLASHMEM void UI_func_save_voice(uint8_t param) {
   static bool yesno;
   static uint8_t mode;
 
@@ -5426,7 +5426,7 @@ void UI_func_save_voice(uint8_t param) {
   }
 }
 
-void UI_func_sysex_receive_bank(uint8_t param) {
+FLASHMEM void UI_func_sysex_receive_bank(uint8_t param) {
   static bool yesno;
   static uint8_t mode;
   static uint8_t bank_number;
@@ -5573,7 +5573,7 @@ void UI_func_sysex_receive_bank(uint8_t param) {
   }
 }
 
-void UI_func_set_performance_name(uint8_t param) {
+FLASHMEM void UI_func_set_performance_name(uint8_t param) {
   static uint8_t mode;
   static uint8_t ui_select_name_state;
   if (LCDML.FUNC_setup())  // ****** SETUP *********
@@ -5635,7 +5635,7 @@ void UI_func_set_performance_name(uint8_t param) {
   }
 }
 
-void UI_func_sysex_send_bank(uint8_t param) {
+FLASHMEM void UI_func_sysex_send_bank(uint8_t param) {
   char bank_name[BANK_NAME_LEN];
   static uint8_t bank_number;
 
@@ -5723,7 +5723,7 @@ void UI_func_sysex_send_bank(uint8_t param) {
   }
 }
 
-void UI_func_sysex_send_voice(uint8_t param) {
+FLASHMEM void UI_func_sysex_send_voice(uint8_t param) {
   static uint8_t mode;
   static uint8_t bank_number;
   static uint8_t voice_number;
@@ -5861,7 +5861,7 @@ void UI_func_sysex_send_voice(uint8_t param) {
   }
 }
 
-void UI_func_eq_1(uint8_t param) {
+FLASHMEM void UI_func_eq_1(uint8_t param) {
 #ifndef SGTL5000_AUDIO_ENHANCE
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
@@ -5904,7 +5904,7 @@ void UI_func_eq_1(uint8_t param) {
 #endif
 }
 
-void UI_func_eq_2(uint8_t param) {
+FLASHMEM void UI_func_eq_2(uint8_t param) {
 #ifndef SGTL5000_AUDIO_ENHANCE
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
@@ -5946,7 +5946,7 @@ void UI_func_eq_2(uint8_t param) {
 #endif
 }
 
-void UI_func_eq_3(uint8_t param) {
+FLASHMEM void UI_func_eq_3(uint8_t param) {
 #ifndef SGTL5000_AUDIO_ENHANCE
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
@@ -5988,7 +5988,7 @@ void UI_func_eq_3(uint8_t param) {
 #endif
 }
 
-void UI_func_eq_4(uint8_t param) {
+FLASHMEM void UI_func_eq_4(uint8_t param) {
 #ifndef SGTL5000_AUDIO_ENHANCE
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
@@ -6030,7 +6030,7 @@ void UI_func_eq_4(uint8_t param) {
 #endif
 }
 
-void UI_func_eq_5(uint8_t param) {
+FLASHMEM void UI_func_eq_5(uint8_t param) {
 #ifndef SGTL5000_AUDIO_ENHANCE
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
@@ -6072,7 +6072,7 @@ void UI_func_eq_5(uint8_t param) {
 #endif
 }
 
-void UI_func_eq_6(uint8_t param) {
+FLASHMEM void UI_func_eq_6(uint8_t param) {
 #ifndef SGTL5000_AUDIO_ENHANCE
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
@@ -6114,7 +6114,7 @@ void UI_func_eq_6(uint8_t param) {
 #endif
 }
 
-void UI_func_eq_7(uint8_t param) {
+FLASHMEM void UI_func_eq_7(uint8_t param) {
 #ifndef SGTL5000_AUDIO_ENHANCE
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
@@ -6156,7 +6156,7 @@ void UI_func_eq_7(uint8_t param) {
 #endif
 }
 
-void UI_func_startup(uint8_t param) {
+FLASHMEM void UI_func_startup(uint8_t param) {
   bool stored = false;
   static uint8_t old_load_at_startup;
 
@@ -6224,7 +6224,7 @@ void UI_func_startup(uint8_t param) {
   }
 }
 
-void UI_function_not_enabled(void) {
+FLASHMEM void UI_function_not_enabled(void) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -6246,7 +6246,7 @@ void UI_function_not_enabled(void) {
   }
 }
 
-void UI_function_not_implemented(uint8_t param) {
+FLASHMEM void UI_function_not_implemented(uint8_t param) {
   if (LCDML.FUNC_setup())  // ****** SETUP *********
   {
     encoderDir[ENC_R].reset();
@@ -6268,7 +6268,7 @@ void UI_function_not_implemented(uint8_t param) {
   }
 }
 
-bool UI_select_name(uint8_t y, uint8_t x, char* edit_string, uint8_t len, bool init) {
+FLASHMEM bool UI_select_name(uint8_t y, uint8_t x, char* edit_string, uint8_t len, bool init) {
   static int8_t edit_pos;
   static bool edit_mode;
   static uint8_t edit_value;
@@ -6349,7 +6349,7 @@ bool UI_select_name(uint8_t y, uint8_t x, char* edit_string, uint8_t len, bool i
   return (false);
 }
 
-uint8_t search_accepted_char(uint8_t c) {
+FLASHMEM uint8_t search_accepted_char(uint8_t c) {
   //if (c == 0)
   //  c = 32;
 
@@ -6365,11 +6365,11 @@ uint8_t search_accepted_char(uint8_t c) {
   return (0);
 }
 
-void display_int(int16_t var, uint8_t size, bool zeros, bool brackets, bool sign) {
+FLASHMEM void display_int(int16_t var, uint8_t size, bool zeros, bool brackets, bool sign) {
   display_float(float(var), size, 0, zeros, brackets, sign);
 }
 
-void display_float(float var, uint8_t size_number, uint8_t size_fraction, bool zeros, bool brackets, bool sign) {
+FLASHMEM void display_float(float var, uint8_t size_number, uint8_t size_fraction, bool zeros, bool brackets, bool sign) {
   char s[LCD_cols + 1];
 
   if (size_fraction > 0) {
@@ -6409,7 +6409,7 @@ inline void display_bar_int(const char* title, uint32_t value, float factor, int
   display_bar_float(title, float(value), factor, min_value, max_value, size, 0, zeros, sign, init);
 }
 
-void display_bar_float(const char* title, float value, float factor, int32_t min_value, int32_t max_value, uint8_t size_number, uint8_t size_fraction, bool zeros, bool sign, bool init) {
+FLASHMEM void display_bar_float(const char* title, float value, float factor, int32_t min_value, int32_t max_value, uint8_t size_number, uint8_t size_fraction, bool zeros, bool sign, bool init) {
   uint8_t size;
   float v;
   float _vi = 0.0;
@@ -6462,7 +6462,7 @@ inline void display_meter_int(const char* title, uint32_t value, float factor, f
   display_meter_float(title, float(value), factor, offset, min_value, max_value, size, 0, zeros, sign, init);
 }
 
-void display_meter_float(const char* title, float value, float factor, float offset, int32_t min_value, int32_t max_value, uint8_t size_number, uint8_t size_fraction, bool zeros, bool sign, bool init) {
+FLASHMEM void display_meter_float(const char* title, float value, float factor, float offset, int32_t min_value, int32_t max_value, uint8_t size_number, uint8_t size_fraction, bool zeros, bool sign, bool init) {
   uint8_t size = 0;
   float v;
   float _vi = 0.0;
@@ -6521,7 +6521,7 @@ uint8_t bit_reverse8(uint8_t v) {
   return (result);
 }
 
-void lcd_active_instance_number(uint8_t instance_id) {
+FLASHMEM void lcd_active_instance_number(uint8_t instance_id) {
   for (uint8_t i = 0; i < 8; i++) {
     if (instance_id == 0) {
       if (configuration.dexed[instance_id].polyphony == 0)
@@ -6557,7 +6557,7 @@ void lcd_active_instance_number(uint8_t instance_id) {
 #endif
 }
 
-void lcd_OP_active_instance_number(uint8_t instance_id, uint8_t op) {
+FLASHMEM void lcd_OP_active_instance_number(uint8_t instance_id, uint8_t op) {
   uint8_t i, n;
 
   for (n = 2; n < 8; n++) {
@@ -6604,7 +6604,7 @@ void lcd_OP_active_instance_number(uint8_t instance_id, uint8_t op) {
 #endif
 }
 
-void lcd_special_chars(uint8_t mode) {
+FLASHMEM void lcd_special_chars(uint8_t mode) {
   switch (mode) {
     case SCROLLBAR:
       // set special chars for scrollbar
@@ -6639,7 +6639,7 @@ void lcd_special_chars(uint8_t mode) {
   }
 }
 
-void string_trim(char* s) {
+FLASHMEM void string_trim(char* s) {
   int i;
 
   while (isspace(*s)) s++;  // skip left side white spaces
@@ -6648,7 +6648,7 @@ void string_trim(char* s) {
   s[i + 1] = '\0';
 }
 
-void locate_previous_non_favorite() {
+FLASHMEM void locate_previous_non_favorite() {
   //find prev. non fav in current bank
   display.setCursor(3, 0);
   display.print("<SEARCHING");
@@ -6674,7 +6674,7 @@ void locate_previous_non_favorite() {
   favsearcher = 0;
 }
 
-void locate_previous_favorite() {
+FLASHMEM void locate_previous_favorite() {
 
   // worst case, nothing found below voice 0 /  bank 0 - start loop at last bank
   if (configuration.dexed[selected_instance_id].voice < 2 && configuration.dexed[selected_instance_id].bank == 0 && favsearcher < 170) {
@@ -6739,7 +6739,7 @@ void locate_previous_favorite() {
   favsearcher = 0;
 }
 
-void locate_next_favorite()
+FLASHMEM void locate_next_favorite()
 
 {
 
@@ -6806,7 +6806,7 @@ void locate_next_favorite()
   favsearcher = 0;
 }
 
-void locate_next_non_favorite() {
+FLASHMEM void locate_next_non_favorite() {
   //find next non-fav in current bank
   display.setCursor(3, 0);
   display.print(">SEARCHING");
@@ -6832,7 +6832,7 @@ void locate_next_non_favorite() {
   favsearcher = 0;
 }
 
-void locate_random_non_favorite() {
+FLASHMEM void locate_random_non_favorite() {
   //find random non-fav
   do {
     configuration.dexed[selected_instance_id].voice = random(32);
@@ -6845,7 +6845,7 @@ void locate_random_non_favorite() {
   favsearcher = 0;
 }
 
-bool check_favorite(uint8_t b, uint8_t v, uint8_t instance_id) {
+FLASHMEM bool check_favorite(uint8_t b, uint8_t v, uint8_t instance_id) {
   b = constrain(b, 0, MAX_BANKS - 1);
   v = constrain(v, 0, MAX_VOICES - 1);
   char tmp[18];
@@ -6873,7 +6873,7 @@ bool check_favorite(uint8_t b, uint8_t v, uint8_t instance_id) {
     return false;
 }
 
-void draw_favorite_icon(uint8_t b, uint8_t v, uint8_t instance_id) {
+FLASHMEM void draw_favorite_icon(uint8_t b, uint8_t v, uint8_t instance_id) {
   b = constrain(b, 0, MAX_BANKS - 1);
   v = constrain(v, 0, MAX_VOICES - 1);
   char tmp[18];
@@ -6890,7 +6890,7 @@ void draw_favorite_icon(uint8_t b, uint8_t v, uint8_t instance_id) {
   }
 }
 
-bool quick_check_favorites_in_bank(uint8_t b, uint8_t instance_id) {
+FLASHMEM bool quick_check_favorites_in_bank(uint8_t b, uint8_t instance_id) {
   b = constrain(b, 0, MAX_BANKS - 1);
   char tmp[18];
 
@@ -6916,7 +6916,7 @@ bool quick_check_favorites_in_bank(uint8_t b, uint8_t instance_id) {
     return false;
 }
 
-void save_favorite(uint8_t b, uint8_t v, uint8_t instance_id) {
+FLASHMEM void save_favorite(uint8_t b, uint8_t v, uint8_t instance_id) {
 #ifdef DEBUG
   Serial.println(F("Starting saving Favorite."));
 #endif
diff --git a/control_sgtl5000plus.cpp b/control_sgtl5000plus.cpp
index aba516a..7774cd1 100644
--- a/control_sgtl5000plus.cpp
+++ b/control_sgtl5000plus.cpp
@@ -27,7 +27,7 @@
 #include <Audio.h>
 #include "control_sgtl5000plus.h"
 
-void AudioControlSGTL5000Plus::init_parametric_eq(uint8_t n)
+FLASHMEM void AudioControlSGTL5000Plus::init_parametric_eq(uint8_t n)
 {
   num_bands = constrain(n, 1, 7);
 
@@ -102,7 +102,7 @@ void AudioControlSGTL5000Plus::init_parametric_eq(uint8_t n)
   }
 }
 
-void AudioControlSGTL5000Plus::setEQType(uint8_t band, uint8_t ft)
+FLASHMEM void AudioControlSGTL5000Plus::setEQType(uint8_t band, uint8_t ft)
 {
   if (filter_type && _enabled != false)
   {
@@ -111,7 +111,7 @@ void AudioControlSGTL5000Plus::setEQType(uint8_t band, uint8_t ft)
   }
 }
 
-void AudioControlSGTL5000Plus::setEQFc(uint8_t band, float frq)
+FLASHMEM void AudioControlSGTL5000Plus::setEQFc(uint8_t band, float frq)
 {
   if (Fc && _enabled != false)
   {
@@ -120,7 +120,7 @@ void AudioControlSGTL5000Plus::setEQFc(uint8_t band, float frq)
   }
 }
 
-void AudioControlSGTL5000Plus::setEQQ(uint8_t band, float q)
+FLASHMEM void AudioControlSGTL5000Plus::setEQQ(uint8_t band, float q)
 {
   if (Q && _enabled != false)
   {
@@ -131,7 +131,7 @@ void AudioControlSGTL5000Plus::setEQQ(uint8_t band, float q)
 
 // Calculate Q: http://www.sengpielaudio.com/calculator-bandwidth.htm
 //              http://jdm12.ch/Audio/EQ_BPF-Q-bandwidth.asp
-void AudioControlSGTL5000Plus::setEQBandwidth(uint8_t band, float bw)
+FLASHMEM void AudioControlSGTL5000Plus::setEQBandwidth(uint8_t band, float bw)
 {
   if (Q && Fc && _enabled != false)
   {
@@ -140,7 +140,7 @@ void AudioControlSGTL5000Plus::setEQBandwidth(uint8_t band, float bw)
   }
 }
 
-void AudioControlSGTL5000Plus::setEQGain(uint8_t band, float gain)
+FLASHMEM void AudioControlSGTL5000Plus::setEQGain(uint8_t band, float gain)
 {
   if (peakGainDB && _enabled != false)
   {
@@ -149,7 +149,7 @@ void AudioControlSGTL5000Plus::setEQGain(uint8_t band, float gain)
   }
 }
 
-void AudioControlSGTL5000Plus::commitFilter(uint8_t band)
+FLASHMEM void AudioControlSGTL5000Plus::commitFilter(uint8_t band)
 {
   int filter[5] = {0, 0, 0, 0, 0};
 
@@ -162,7 +162,7 @@ void AudioControlSGTL5000Plus::commitFilter(uint8_t band)
   eqFilter(band, filter);
 }
 
-void AudioControlSGTL5000Plus::show_params(uint8_t band)
+FLASHMEM void AudioControlSGTL5000Plus::show_params(uint8_t band)
 {
   if (_enabled == false)
   {
diff --git a/control_sgtl5000plus.h b/control_sgtl5000plus.h
index fe3992e..ecac378 100644
--- a/control_sgtl5000plus.h
+++ b/control_sgtl5000plus.h
@@ -63,14 +63,14 @@ class AudioControlSGTL5000Plus : public AudioControlSGTL5000
       _enabled = false;
       num_bands = constrain(n, 1, 7);
     };
-    void setEQType(uint8_t band, uint8_t ft);
-    void setEQFc(uint8_t band, float frq);
-    void setEQQ(uint8_t band, float q);
-    void setEQBandwidth(uint8_t band, float bw);
-    void setEQGain(uint8_t band, float gain);
-    void commitFilter(uint8_t band);
-    void show_params(uint8_t band);
-    void init_parametric_eq(uint8_t n = 7);
+    FLASHMEM void setEQType(uint8_t band, uint8_t ft);
+    FLASHMEM void setEQFc(uint8_t band, float frq);
+    FLASHMEM void setEQQ(uint8_t band, float q);
+    FLASHMEM void setEQBandwidth(uint8_t band, float bw);
+    FLASHMEM void setEQGain(uint8_t band, float gain);
+    FLASHMEM void commitFilter(uint8_t band);
+    FLASHMEM void show_params(uint8_t band);
+    FLASHMEM void init_parametric_eq(uint8_t n = 7);
 
   private:
     bool _enabled;