diff --git a/src/peripheralwidget.cpp b/src/peripheralwidget.cpp
--- a/src/peripheralwidget.cpp
+++ b/src/peripheralwidget.cpp
@@ -117,7 +117,7 @@ void peripheralWidget::mouseMoveEvent(QM
 
 void peripheralWidget::mouseReleaseEvent(QMouseEvent *event)
 {
-
+    Q_UNUSED(event)
 }
 
 void peripheralWidget::keyPressEvent(QKeyEvent *event)
diff --git a/src/registerwidget.cpp b/src/registerwidget.cpp
--- a/src/registerwidget.cpp
+++ b/src/registerwidget.cpp
@@ -36,8 +36,6 @@ QPoint registerWidget::paint(QPainter* p
     painter->translate(p_fieldsEl->paint(painter));
     p_nameEl->paint(painter);
     painter->restore();
-    int h=p_boundingRect.height();
-    int y=p_boundingRect.y();
     return QPoint(0,p_boundingRect.height()+p_boundingRect.y()+p_yMargins);
 }
 
@@ -126,7 +124,12 @@ QString registerWidget::bitFieldToDec(in
 
 QString registerWidget::bitFieldToBin(int bitIndex)
 {
-
+    if(bitIndex>=0 && bitIndex<32)
+    {
+        // TODO do the convertion
+        return p_fieldsEl->valueDec(bitIndex);
+    }
+    return QString("Out of range");
 }
 
 void registerWidget::setValue(qint32 value)
@@ -218,9 +221,9 @@ QPoint bitfieldsElement::paint(QPainter 
     {
         for(int l = 0;l<4;l++)
         {
-            if(p_cursorBlinkEnable == false || (31-p_cursorIndex) != ((i*4)+l))
+            if(p_cursorBlinkEnable == false || (31-(int)p_cursorIndex) != ((i*4)+l))
             {
-                if(p_startSelectionIndex!=-1 && p_stopSelectionIndex!=-1 && p_startSelectionIndex <=31-((i*4)+l) && p_stopSelectionIndex >=31-((i*4)+l))
+                if((int)p_startSelectionIndex!=-1 && (int)p_stopSelectionIndex!=-1 && p_startSelectionIndex <=(uint)31-(uint)((i*4)+l) && p_stopSelectionIndex >=(uint)31-(uint)((i*4)+l))
                 {
                     QPen svg = painter->pen();
                     painter->setPen(p_blinkTextColor);
@@ -346,11 +349,11 @@ void bitfieldsElement::setFont(QFont fon
 
 void bitfieldsElement::updateSelection(int index)
 {
-    if(p_cursorIndex!=-1)
+    if((int)p_cursorIndex!=-1)
     {
-        if(p_startSelectionIndex!=-1 && p_stopSelectionIndex!= -1)
+        if((int)p_startSelectionIndex!=-1 && (int)p_stopSelectionIndex!= -1)
         {
-            if(index>=p_stopSelectionIndex)
+            if((uint)index>=p_stopSelectionIndex)
             {
                 p_stopSelectionIndex = index;
                 p_cursorIndex = index;
@@ -363,7 +366,7 @@ void bitfieldsElement::updateSelection(i
         }
         else
         {
-            if(index>p_cursorIndex)
+            if((uint)index>p_cursorIndex)
             {
                 p_startSelectionIndex = p_cursorIndex;
                 p_stopSelectionIndex = index;