diff --git a/src/main/java/de/neemann/digital/gui/components/DataEditor.java b/src/main/java/de/neemann/digital/gui/components/DataEditor.java
index 8099f1d9c..5bdf88e7e 100644
--- a/src/main/java/de/neemann/digital/gui/components/DataEditor.java
+++ b/src/main/java/de/neemann/digital/gui/components/DataEditor.java
@@ -25,6 +25,7 @@ import javax.swing.table.TableModel;
 import java.awt.*;
 import java.awt.datatransfer.Clipboard;
 import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.Transferable;
 import java.awt.datatransfer.UnsupportedFlavorException;
 import java.awt.event.ActionEvent;
 import java.awt.event.WindowAdapter;
@@ -42,7 +43,9 @@ public class DataEditor extends JDialog {
     private static final Color MYGRAY = new Color(230, 230, 230);
     private static File lastUsedFileName;
     private final ValueFormatter addrFormat;
+    private final ValueFormatter dataFormat;
     private final int addrBits;
+    private final int dataBits;
     private final DataField localDataField;
     private final JTable table;
     private boolean ok = false;
@@ -64,6 +67,8 @@ public class DataEditor extends JDialog {
         super(SwingUtilities.windowForComponent(parent), Lang.get("key_Data"), modelIsRunning ? ModalityType.MODELESS : ModalityType.APPLICATION_MODAL);
         setDefaultCloseOperation(DISPOSE_ON_CLOSE);
         this.addrBits = addrBits;
+        this.dataBits = dataBits;
+        this.dataFormat = dataFormat;
         if (dataFormat.isSuitedForAddresses())
             addrFormat = dataFormat;
         else
@@ -194,6 +199,17 @@ public class DataEditor extends JDialog {
             }
         }.setAcceleratorCTRLplus('V').enableAcceleratorIn(table);
 
+        new ToolTipAction(Lang.get("menu_copy")) {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                int[] rows = table.getSelectedRows();
+                if (rows.length > 0) {
+                    Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
+                    clipboard.setContents(new DataTransferable(((MyTableModel) table.getModel()).toString(rows)), null);
+                }
+            }
+        }.setAcceleratorCTRLplus('C').enableAcceleratorIn(table);
+
         pack();
         if (getWidth() < 150)
             setSize(new Dimension(150, getHeight()));
@@ -377,6 +393,20 @@ public class DataEditor extends JDialog {
                 fireEvent(new TableModelEvent(this, addr / cols));
             }
         }
+
+        public String toString(int[] rows) {
+            StringBuilder sb = new StringBuilder();
+            for (int r : rows) {
+                int offs = r * cols;
+                sb.append(addrFormat.formatToEdit(new Value(offs, addrBits)));
+                for (int c = 0; c < cols; c++) {
+                    long val = dataField.getDataWord(offs + c);
+                    sb.append("\t").append(dataFormat.formatToEdit(new Value(val, dataBits)));
+                }
+                sb.append(System.lineSeparator());
+            }
+            return sb.toString();
+        }
     }
 
     private static final class MyRenderer extends DefaultTableCellRenderer {
@@ -499,4 +529,30 @@ public class DataEditor extends JDialog {
         }
     }
 
+    private static final class DataTransferable implements Transferable {
+        private final String data;
+
+        private DataTransferable(String data) {
+            this.data = data;
+        }
+
+        @Override
+        public DataFlavor[] getTransferDataFlavors() {
+            return new DataFlavor[]{DataFlavor.stringFlavor};
+        }
+
+        @Override
+        public boolean isDataFlavorSupported(DataFlavor flavor) {
+            return flavor == DataFlavor.stringFlavor;
+        }
+
+        @Override
+        public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException {
+            if (!isDataFlavorSupported(flavor))
+                throw new UnsupportedFlavorException(flavor);
+
+            return data;
+        }
+    }
+
 }