added auto load function to ROM

src/main/java/de/neemann/digital/core/element/Element.java

@@ -40,7 +40,7 @@ public interface Element {
     /**
      * Is called after registerNodes is called on all Elements.
      */
-    default void init(Model model) {
+    default void init(Model model) throws NodeException {
     }
 
 }

src/main/java/de/neemann/digital/core/element/Keys.java

@@ -151,6 +151,12 @@ public final class Keys {
     public static final Key<Boolean> SHOW_LISTING
             = new Key<>("showList", false);
 
+    /**
+     * flag to enable the ROMs auto load function
+     */
+    public static final Key<Boolean> AUTO_RELOAD_ROM
+            = new Key<>("autoReload", false);
+
     /**
      * flag to show the data table window
      */

src/main/java/de/neemann/digital/core/memory/ROM.java

@@ -8,6 +8,7 @@ import de.neemann.digital.core.element.Keys;
 import de.neemann.digital.lang.Lang;
 
 import java.io.File;
+import java.io.IOException;
 
 import static de.neemann.digital.core.element.PinInfo.input;
 
@@ -32,15 +33,17 @@ public class ROM extends Node implements Element {
             .addAttribute(Keys.BITS)
             .addAttribute(Keys.ADDR_BITS)
             .addAttribute(Keys.LABEL)
-            .addAttribute(Keys.SHOW_LISTING)
-            .addAttribute(Keys.DATA);
+            .addAttribute(Keys.DATA)
+            .addAttribute(Keys.AUTO_RELOAD_ROM)
+            .addAttribute(Keys.SHOW_LISTING);
 
-    private final DataField data;
+    private DataField data;
     private final ObservableValue output;
     private final int addrBits;
     private final boolean showList;
-    private final File listFile;
+    private final File hexFile;
     private final Observable romObservable = new Observable();
+    private final boolean autoLoad;
     private ObservableValue addrIn;
     private ObservableValue selIn;
     private int addr;
@@ -58,10 +61,11 @@ public class ROM extends Node implements Element {
         data = attr.get(Keys.DATA);
         addrBits = attr.get(Keys.ADDR_BITS);
         showList = attr.get(Keys.SHOW_LISTING);
-        if (showList) {
-            listFile = attr.getFile(LAST_DATA_FILE_KEY);
+        autoLoad = attr.get(Keys.AUTO_RELOAD_ROM);
+        if (showList || autoLoad) {
+            hexFile = attr.getFile(LAST_DATA_FILE_KEY);
         } else
-            listFile = null;
+            hexFile = null;
     }
 
     @Override
@@ -102,15 +106,26 @@ public class ROM extends Node implements Element {
      *
      * @return the file
      */
-    public File getListFile() {
-        return listFile;
+    public File getHexFile() {
+        return hexFile;
+    }
+
+    @Override
+    public void init(Model model) throws NodeException {
+        if (autoLoad) {
+            try {
+                data = new DataField(hexFile);
+            } catch (IOException e) {
+                throw new NodeException(e.getMessage(), this, null);
+            }
+        }
     }
 
     /**
      * @return true if there is a listing to show
      */
     public boolean showListing() {
-        return showList && listFile != null;
+        return showList && hexFile != null;
     }
 
     /**

src/main/java/de/neemann/digital/gui/Main.java

@@ -64,7 +64,6 @@ public class Main extends JFrame implements ClosingWindowListener.ConfirmSave, E
         ATTR_LIST.add(Keys.SHOW_DATA_TABLE);
         ATTR_LIST.add(Keys.SHOW_DATA_GRAPH);
         ATTR_LIST.add(Keys.SHOW_DATA_GRAPH_MICRO);
-        ATTR_LIST.add(Keys.SHOW_LISTING);
     }
 
     private static final String MESSAGE = Lang.get("message");
@@ -648,17 +647,14 @@ public class Main extends JFrame implements ClosingWindowListener.ConfirmSave, E
             if (settings.get(Keys.SHOW_DATA_GRAPH_MICRO))
                 windowPosManager.register("datasetMicro", new DataSetDialog(this, model, true, ordering)).setVisible(true);
 
-            if (settings.get(Keys.SHOW_LISTING)) {
-                int i = 0;
-                for (ROM rom : model.findNode(ROM.class))
-                    if (rom.showListing())
-                        try {
-                            windowPosManager.register("rom" + (i++), new ROMListingDialog(this, rom)).setVisible(true);
-                        } catch (IOException e) {
-                            new ErrorMessage(Lang.get("msg_errorReadingListing_N0", rom.getListFile().toString())).addCause(e).show(this);
-                        }
-            }
-
+            int i = 0;
+            for (ROM rom : model.findNode(ROM.class))
+                if (rom.showListing())
+                    try {
+                        windowPosManager.register("rom" + (i++), new ROMListingDialog(this, rom)).setVisible(true);
+                    } catch (IOException e) {
+                        new ErrorMessage(Lang.get("msg_errorReadingListing_N0", rom.getHexFile().toString())).addCause(e).show(this);
+                    }
 
             model.init();
 

src/main/java/de/neemann/digital/gui/components/listing/ROMListingDialog.java

@@ -39,7 +39,7 @@ public class ROMListingDialog extends JDialog implements Observer {
         setDefaultCloseOperation(DISPOSE_ON_CLOSE);
         setAlwaysOnTop(true);
 
-        File filename = rom.getListFile();
+        File filename = rom.getHexFile();
         String name = filename.getName();
         int p = name.lastIndexOf('.');
         if (p >= 0) {

src/main/resources/lang/lang_de.xml

@@ -183,6 +183,8 @@ Zur Analyse können Sie die Schaltung im Gatterschrittmodus ausführen.</string>
     <string name="key_Value">Wert</string>
     <string name="key_Width">Breite</string>
     <string name="key_Width_tt">Breite des Symbols wenn diese Schaltung in eine andere eingefügt wird.</string>
+    <string name="key_autoReload">Bei jedem Start neu Laden.</string>
+    <string name="key_autoReload_tt">Lädt das HEX-File bei jedem Modelstart neu.</string>
     <string name="key_flipSelPos">Tausche Position des Selectors</string>
     <string name="key_intFormat">Zahlenformat</string>
     <string name="key_intFormat_ascii">ASCII</string>

src/main/resources/lang/lang_en.xml

@@ -183,6 +183,8 @@ To analyse you can run the circuit in single gate step mode.</string>
     <string name="key_Value">Value</string>
     <string name="key_Width">Width</string>
     <string name="key_Width_tt">With of symbol if this circuit is used in an element ins an other circuit.</string>
+    <string name="key_autoReload">Reload at model start</string>
+    <string name="key_autoReload_tt">Reloads the hex file every time the model is started.</string>
     <string name="key_flipSelPos">Flip selector position</string>
     <string name="key_intFormat">Number Format</string>
     <string name="key_intFormat_ascii">ascii</string>