First work toward moving to a Swing UI for the simulator.

src/main/java/com/loomcom/symon/devices/Memory.java

@@ -6,38 +6,43 @@ import com.loomcom.symon.exceptions.*;
 
 public class Memory extends Device {
 
-  private boolean readOnly;
-  private int[] mem;
+    private boolean readOnly;
+    private int[] mem;
 
-  /* Initialize all locations to 0x00 (BRK) */
-  private static final int DEFAULT_FILL = 0x00;
+    /* Initialize all locations to 0x00 (BRK) */
+    private static final int DEFAULT_FILL = 0x00;
 
-  public Memory(int address, int size, boolean readOnly)
-  throws MemoryRangeException {
-    super(address, size, (readOnly ? "RO Memory" : "RW Memory"));
-    this.readOnly = readOnly;
-    this.mem = new int[size];
-    Arrays.fill(this.mem, DEFAULT_FILL);
-  }
-
-  public Memory(int address, int size) throws MemoryRangeException {
-    this(address, size, false);
-  }
-
-  public void write(int address, int data) throws MemoryAccessException {
-    if (readOnly) {
-      throw new MemoryAccessException("Cannot write to read-only memory at address " + address);
-    } else {
-      this.mem[address] = data;
+    public Memory(int address, int size, boolean readOnly)
+            throws MemoryRangeException {
+        super(address, size, (readOnly ? "RO Memory" : "RW Memory"));
+        this.readOnly = readOnly;
+        this.mem = new int[size];
+        this.fill(DEFAULT_FILL);
     }
-  }
 
-  public int read(int address) throws MemoryAccessException {
-    return this.mem[address];
-  }
+    public Memory(int address, int size) throws MemoryRangeException {
+        this(address, size, false);
+    }
 
-  public String toString() {
-    return "Memory: " + getMemoryRange().toString();
-  }
+    public void write(int address, int data) throws MemoryAccessException {
+        if (readOnly) {
+            throw new MemoryAccessException("Cannot write to read-only memory at address " + address);
+        } else {
+            this.mem[address] = data;
+        }
+    }
+
+    public int read(int address) throws MemoryAccessException {
+        return this.mem[address];
+    }
+
+    public void fill(int val) {
+        Arrays.fill(this.mem, val);
+    }
+
+
+    public String toString() {
+        return "Memory: " + getMemoryRange().toString();
+    }
 
 }