diff --git a/software/GToE/GToE.ino b/software/GToE/GToE.ino
index 0f16c34..5acbf8b 100644
--- a/software/GToE/GToE.ino
+++ b/software/GToE/GToE.ino
@@ -86,8 +86,9 @@ bool needPulseReset[6] = { true, true, true, true, true, true };
 
 unsigned int displayTab = 0;
 unsigned int displayTabOld;
-unsigned int insideTab = 0;
+bool insideTab = false;
 bool playBtnPushed = false;
+bool shiftBtnPushed = false;
 
 int a1Input = 0;
 int a2Input = 0;
@@ -141,7 +142,8 @@ void setup() {
 
   pinMode(ENC_BTN_PIN, INPUT_PULLUP);
   pinMode(START_STOP_BTN_PIN, INPUT_PULLUP);
-  pinMode(START_STOP_BTN_PIN, ANALOGUE_INPUT_1_PIN);
+  // pinMode(START_STOP_BTN_PIN, ANALOGUE_INPUT_1_PIN); // no idea where this came from
+  pinMode(SHIFT_BTN_PIN, INPUT_PULLUP);
   pinMode(EXT_INPUT_PIN, INPUT_PULLUP);
   attachInterrupt(digitalPinToInterrupt(EXT_INPUT_PIN), externalClock, FALLING);
 
@@ -154,7 +156,6 @@ void setup() {
   display.clearDisplay();
 
   //Splash screen
-  //displayLogo();
   display.drawBitmap(48, 0, splash_logo, 33, 39, 1);
 
   display.setCursor(0, 56);
@@ -399,140 +400,4 @@ void saveState() {
   EEPROM.put(addr, masterClockMode);
   addr = addr + sizeof(masterClockMode);
   EEPROM.put(addr, channels);
-}
-
-void checkInputs() {
-
-  //encoder button
-  if (!digitalRead(ENC_BTN_PIN) && !encPressRegistered) {
-    encPressRegistered = true;
-    encPressedTime = millis();
-  } else if (digitalRead(ENC_BTN_PIN) && encPressRegistered) {
-    encPressRegistered = false;
-    encReleasedTime = millis();
-
-    if (encReleasedTime - encPressedTime < 500) {  // press shorter than .5s switches tabs
-      if (insideTab == 0) {
-        displayTabOld = displayTab;
-        displayTab++;
-        if (displayTab > 6) {
-          displayTab = 0;
-        }
-      } else if (insideTab < 3 && displayTab != 0) {
-        insideTab++;
-      } else if (insideTab < 2 && displayTab == 0) {
-        insideTab++;
-      } else {
-        insideTab = 1;
-      }
-      updateScreen();
-    } else if (encReleasedTime - encPressedTime < 2000) {  // longer press (<2s) and switches random mode, longer than 2s presses are ignored
-      if (insideTab == 0) {
-        insideTab = 1;
-      } else {
-        insideTab = 0;
-      }
-      updateScreen();
-    }
-  }
-
-  //encoder
-  encoder.tick();
-  int encPosition = encoder.getPosition();
-  if (encPositionOld != encPosition) {
-    int change = encPositionOld - encPosition;
-    if (displayTab == 0 && insideTab == 0 && masterClockMode == 0) {
-      bpm = bpm + change;
-      if (bpm > MAXBPM) {
-        bpm = MAXBPM;
-      } else if (bpm < MINBPM) {
-        bpm = MINBPM;
-      }
-      calculateBPMTiming();
-
-    } else if (displayTab == 0 && insideTab == 1) {  //Clock mode
-      masterClockMode = masterClockMode + change;
-      if (masterClockMode > 250) {
-        masterClockMode = 0;
-      } else if (masterClockMode > 3) {
-        masterClockMode = 3;
-      }
-
-    } else if (displayTab == 0 && insideTab == 2 && masterClockMode == 0) {  //bpm modulation
-      bpmModulationRange = bpmModulationRange + change;
-      if (bpmModulationRange == 255 && bpmModulationChannel == 0) {
-        bpmModulationRange = 0;
-      } else if (bpmModulationRange == 255 && bpmModulationChannel == 1) {
-        bpmModulationRange = 9;
-        bpmModulationChannel = 0;
-      } else if (bpmModulationRange > 9 && bpmModulationChannel == 0) {
-        bpmModulationRange = 0;
-        bpmModulationChannel = 1;
-      } else if (bpmModulationRange > 9 && bpmModulationChannel == 1) {
-        bpmModulationRange = 9;
-      }
-
-    } else if (displayTab != 0 && insideTab == 0) {  //subdivision
-      channels[displayTab - 1].mode = channels[displayTab - 1].mode - change;
-      if (channels[displayTab - 1].mode == 65535) {  //65535 is 0-1 for unsigned vars
-        channels[displayTab - 1].mode = 0;
-      } else if (channels[displayTab - 1].mode > (sizeof(clockModes) / sizeof(int)) - 1) {
-        channels[displayTab - 1].mode = (sizeof(clockModes) / sizeof(int)) - 1;
-      }
-      if (!isPlaying) {
-        calculateCycles();
-      }
-
-    } else if (displayTab != 0 && insideTab == 1) {  //random
-      channels[displayTab - 1].random = channels[displayTab - 1].random + change;
-      if (channels[displayTab - 1].random == 65535) {
-        channels[displayTab - 1].random = 0;
-      } else if (channels[displayTab - 1].random > 9) {
-        channels[displayTab - 1].random = 9;
-      }
-
-    } else if (displayTab != 0 && insideTab == 2) {  //modulation
-      channels[displayTab - 1].modulationRange = channels[displayTab - 1].modulationRange + change;
-      if (channels[displayTab - 1].modulationRange < 0 && channels[displayTab - 1].modulationChannel == 0) {
-        channels[displayTab - 1].modulationRange = 0;
-      } else if (channels[displayTab - 1].modulationRange > 6 && channels[displayTab - 1].modulationChannel == 0) {
-        channels[displayTab - 1].modulationChannel = 1;
-        channels[displayTab - 1].modulationRange = 0;
-      } else if (channels[displayTab - 1].modulationRange < 0 && channels[displayTab - 1].modulationChannel == 1) {
-        channels[displayTab - 1].modulationChannel = 0;
-        channels[displayTab - 1].modulationRange = 6;
-      } else if (channels[displayTab - 1].modulationRange > 6 && channels[displayTab - 1].modulationChannel == 1) {
-        channels[displayTab - 1].modulationRange = 6;
-      }
-
-    } else if (displayTab != 0 && insideTab == 3) {  //offset
-      channels[displayTab - 1].offset = channels[displayTab - 1].offset + change;
-      if (channels[displayTab - 1].offset == 65535) {
-        channels[displayTab - 1].offset = 0;
-      } else if (channels[displayTab - 1].offset >= channelPulsesPerCycle[displayTab - 1]) {
-        channels[displayTab - 1].offset = channelPulsesPerCycle[displayTab - 1];
-      }
-    }
-    updateScreen();
-    encPositionOld = encPosition;
-  }
-
-  //play button
-  if (!digitalRead(START_STOP_BTN_PIN) && !playBtnPushed) {
-    if (masterClockMode == 0) {
-      calculateBPMTiming();
-      resetClocks();
-      isPlaying = !isPlaying;
-    }
-    playBtnPushed = true;
-    saveState();
-    updateScreen();  //to wake up the screen if turned off
-  } else if (digitalRead(START_STOP_BTN_PIN) && playBtnPushed) {
-    playBtnPushed = false;
-  }
-
-  //modulations
-  a1Input = analogRead(ANALOGUE_INPUT_1_PIN);
-  a2Input = analogRead(ANALOGUE_INPUT_2_PIN);
-}
-
+}
\ No newline at end of file
diff --git a/software/GToE/InputsCheck.ino b/software/GToE/InputsCheck.ino
new file mode 100644
index 0000000..c67cb9f
--- /dev/null
+++ b/software/GToE/InputsCheck.ino
@@ -0,0 +1,172 @@
+void checkInputs() {
+
+  //encoder button
+  if (!digitalRead(ENC_BTN_PIN) && !encPressRegistered) {
+    encPressRegistered = true;
+    encPressedTime = millis();
+  } else if (digitalRead(ENC_BTN_PIN) && encPressRegistered) {
+    encPressRegistered = false;
+    encReleasedTime = millis();
+
+    /*if (encReleasedTime - encPressedTime < 500) {  // press shorter than .5s switches tabs
+      if (insideTab == 0) {
+        displayTabOld = displayTab;
+        displayTab++;
+        if (displayTab > 6) {
+          displayTab = 0;
+        }
+      } else if (insideTab < 3 && displayTab != 0) {
+        insideTab++;
+      } else if (insideTab < 2 && displayTab == 0) {
+        insideTab++;
+      } else {
+        insideTab = 1;
+      }
+      updateScreen();
+    } else */ if (encReleasedTime - encPressedTime < 2000) {  // longer press (<2s) and switches random mode, longer than 2s presses are ignored
+      if (insideTab == 0) {
+        insideTab = 1;
+      } else {
+        insideTab = 0;
+      }
+      updateScreen();
+    }
+  }
+
+  //encoder
+  encoder.tick();
+  int encPosition = encoder.getPosition();
+  if (encPositionOld != encPosition) {
+    int change = encPositionOld - encPosition;
+    if (!insideTab && !shiftBtnPushed) { //Change tab
+      displayTab = displayTab + change;
+      if (displayTab > 100) { //to address "negative" numbers
+        displayTab = 0;
+      } else if (displayTab > 6) {
+        displayTab = 6;
+      }
+    } else if (!insideTab && shiftBtnPushed && displayTab == 0 && masterClockMode == 0) { //Change BPM
+      bpm = bpm + change;
+      if (bpm > MAXBPM) {
+        bpm = MAXBPM;
+      } else if (bpm < MINBPM) {
+        bpm = MINBPM;
+      }
+      calculateBPMTiming();
+    } else if (!insideTab && shiftBtnPushed && displayTab != 0) { //Change Subdiv
+      channels[displayTab - 1].mode = channels[displayTab - 1].mode - change;
+      if (channels[displayTab - 1].mode == 65535) {  //65535 is 0-1 for unsigned vars
+        channels[displayTab - 1].mode = 0;
+      } else if (channels[displayTab - 1].mode > (sizeof(clockModes) / sizeof(int)) - 1) {
+        channels[displayTab - 1].mode = (sizeof(clockModes) / sizeof(int)) - 1;
+      }
+      if (!isPlaying) {
+        calculateCycles();
+      }
+    }
+    /* if (displayTab == 0 && insideTab == 0 && masterClockMode == 0) {
+      bpm = bpm + change;
+      if (bpm > MAXBPM) {
+        bpm = MAXBPM;
+      } else if (bpm < MINBPM) {
+        bpm = MINBPM;
+      }
+      calculateBPMTiming();
+
+    } else if (displayTab == 0 && insideTab == 1) {  //Clock mode
+      masterClockMode = masterClockMode + change;
+      if (masterClockMode > 250) {
+        masterClockMode = 0;
+      } else if (masterClockMode > 3) {
+        masterClockMode = 3;
+      }
+
+    } else if (displayTab == 0 && insideTab == 2 && masterClockMode == 0) {  //bpm modulation
+      bpmModulationRange = bpmModulationRange + change;
+      if (bpmModulationRange == 255 && bpmModulationChannel == 0) {
+        bpmModulationRange = 0;
+      } else if (bpmModulationRange == 255 && bpmModulationChannel == 1) {
+        bpmModulationRange = 9;
+        bpmModulationChannel = 0;
+      } else if (bpmModulationRange > 9 && bpmModulationChannel == 0) {
+        bpmModulationRange = 0;
+        bpmModulationChannel = 1;
+      } else if (bpmModulationRange > 9 && bpmModulationChannel == 1) {
+        bpmModulationRange = 9;
+      }
+
+    } else if (displayTab != 0 && insideTab == 0) {  //subdivision
+      channels[displayTab - 1].mode = channels[displayTab - 1].mode - change;
+      if (channels[displayTab - 1].mode == 65535) {  //65535 is 0-1 for unsigned vars
+        channels[displayTab - 1].mode = 0;
+      } else if (channels[displayTab - 1].mode > (sizeof(clockModes) / sizeof(int)) - 1) {
+        channels[displayTab - 1].mode = (sizeof(clockModes) / sizeof(int)) - 1;
+      }
+      if (!isPlaying) {
+        calculateCycles();
+      }
+
+    } else if (displayTab != 0 && insideTab == 1) {  //random
+      channels[displayTab - 1].random = channels[displayTab - 1].random + change;
+      if (channels[displayTab - 1].random == 65535) {
+        channels[displayTab - 1].random = 0;
+      } else if (channels[displayTab - 1].random > 9) {
+        channels[displayTab - 1].random = 9;
+      }
+
+    } else if (displayTab != 0 && insideTab == 2) {  //modulation
+      channels[displayTab - 1].modulationRange = channels[displayTab - 1].modulationRange + change;
+      if (channels[displayTab - 1].modulationRange < 0 && channels[displayTab - 1].modulationChannel == 0) {
+        channels[displayTab - 1].modulationRange = 0;
+      } else if (channels[displayTab - 1].modulationRange > 6 && channels[displayTab - 1].modulationChannel == 0) {
+        channels[displayTab - 1].modulationChannel = 1;
+        channels[displayTab - 1].modulationRange = 0;
+      } else if (channels[displayTab - 1].modulationRange < 0 && channels[displayTab - 1].modulationChannel == 1) {
+        channels[displayTab - 1].modulationChannel = 0;
+        channels[displayTab - 1].modulationRange = 6;
+      } else if (channels[displayTab - 1].modulationRange > 6 && channels[displayTab - 1].modulationChannel == 1) {
+        channels[displayTab - 1].modulationRange = 6;
+      }
+
+    } else if (displayTab != 0 && insideTab == 3) {  //offset
+      channels[displayTab - 1].offset = channels[displayTab - 1].offset + change;
+      if (channels[displayTab - 1].offset == 65535) {
+        channels[displayTab - 1].offset = 0;
+      } else if (channels[displayTab - 1].offset >= channelPulsesPerCycle[displayTab - 1]) {
+        channels[displayTab - 1].offset = channelPulsesPerCycle[displayTab - 1];
+      }
+    } */
+    updateScreen();
+    encPositionOld = encPosition;
+  }
+
+  //play button
+  if (!digitalRead(START_STOP_BTN_PIN) && !playBtnPushed) {
+    if (masterClockMode == 0) {
+      calculateBPMTiming();
+      resetClocks();
+      isPlaying = !isPlaying;
+    }
+    playBtnPushed = true;
+    saveState();
+    updateScreen();  //to wake up the screen if turned off
+  } else if (digitalRead(START_STOP_BTN_PIN) && playBtnPushed) {
+    playBtnPushed = false;
+  }
+
+  //shift button
+  if (!digitalRead(SHIFT_BTN_PIN) && !shiftBtnPushed) {
+    shiftBtnPushed = true;
+    display.fillRoundRect(120, 52, 8, 8, 3, SSD1306_WHITE);
+    display.display();
+
+  } else if (digitalRead(SHIFT_BTN_PIN) && shiftBtnPushed) {
+    shiftBtnPushed = false;
+    display.fillRoundRect(120, 52, 8, 8, 3, SSD1306_BLACK);
+    display.display();
+  }
+
+  //modulations
+  a1Input = analogRead(ANALOGUE_INPUT_1_PIN);
+  a2Input = analogRead(ANALOGUE_INPUT_2_PIN);
+}
\ No newline at end of file
diff --git a/software/GToE/UI.ino b/software/GToE/UI.ino
index e7f0330..b286473 100644
--- a/software/GToE/UI.ino
+++ b/software/GToE/UI.ino
@@ -5,32 +5,40 @@ void updateScreen() {
 
   //Tabs
   display.drawRect(0, 48, 128, 1, SSD1306_WHITE);
-  display.setCursor(0, 50);
+  display.setCursor(4, 52);
   display.setTextSize(1);
+
   if (displayTab == 0) {
     //display.setTextColor(SSD1306_WHITE, SSD1306_BLACK);
+    display.fillRoundRect(0, 46, 24, 18, 3, SSD1306_WHITE);
     //display.print(F(" "));
-    display.setTextColor(SSD1306_BLACK, SSD1306_WHITE);
-    display.print(F(" bpm "));
+    display.setTextColor(SSD1306_BLACK);
+    display.print(F("BPM"));
   } else {
-    display.setTextColor(SSD1306_WHITE, SSD1306_BLACK);
-    display.print(F(" bpm"));
+    display.setTextColor(SSD1306_WHITE);
+    display.print(F("BPM"));
   }
 
   for (int i = 1; i <= 6; i++) {
     if (displayTab == i) {
-      display.setTextColor(SSD1306_WHITE, SSD1306_BLACK);
-      display.print(" ");
-      display.setTextColor(SSD1306_BLACK, SSD1306_WHITE);
+      if (insideTab == false) {
+        display.fillRoundRect(i*12 + 12, 46, 13, 18, 3, SSD1306_WHITE);
+        display.setTextColor(SSD1306_BLACK);
+      } else {
+        display.drawRoundRect(i*12 + 12, 46, 13, 18, 3, SSD1306_WHITE);
+        display.setTextColor(SSD1306_WHITE);
+      }
       display.print(" ");
       display.print(i);
-      display.print(" ");
+      //display.print(" ");
     } else {
-      display.setTextColor(SSD1306_WHITE, SSD1306_BLACK);
+      display.setTextColor(SSD1306_WHITE);
       display.print(" ");
       display.print(i);
     }
   }
+
+  display.drawRect(0, 46, 128, 2, SSD1306_BLACK);
   //display.setTextColor(SSD1306_BLACK, SSD1306_WHITE);
   //display.fillRect(108, 60, 20, 8, SSD1306_WHITE);
   //display.println();