Whitespace and indentation canonicalization. That's what I get for using two editors.

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

@@ -9,65 +9,65 @@ import com.loomcom.symon.exceptions.*;
 
 public abstract class Device implements Comparable<Device> {
 
-	/** The memory range for this device. */
-	private MemoryRange memoryRange;
+  /** The memory range for this device. */
+  private MemoryRange memoryRange;
 
-	/** The name of the device. */
-	private String name;
+  /** The name of the device. */
+  private String name;
 
-	/** Reference to the bus where this Device is attached. */
-	private Bus bus;
+  /** Reference to the bus where this Device is attached. */
+  private Bus bus;
 
-	public Device(int address, int size, String name)
-		    throws MemoryRangeException {
-		this.memoryRange = new MemoryRange(address, address + size - 1);
-		this.name = name;
-	}
+  public Device(int address, int size, String name)
+    throws MemoryRangeException {
+    this.memoryRange = new MemoryRange(address, address + size - 1);
+    this.name = name;
+  }
 
-	public Device(int address, int size) throws MemoryRangeException {
-		this(address, size, null);
-	}
+  public Device(int address, int size) throws MemoryRangeException {
+    this(address, size, null);
+  }
 
-	/* Methods required to be implemented by inheriting classes. */
-	public abstract void write(int address, int data);
-	public abstract int read(int address);
-	public abstract String toString();
+  /* Methods required to be implemented by inheriting classes. */
+  public abstract void write(int address, int data);
+  public abstract int read(int address);
+  public abstract String toString();
 
-	public void setBus(Bus bus) {
-		this.bus = bus;
-	}
+  public void setBus(Bus bus) {
+    this.bus = bus;
+  }
 
-	public MemoryRange getMemoryRange() {
-		return memoryRange;
-	}
+  public MemoryRange getMemoryRange() {
+    return memoryRange;
+  }
 
-	public int endAddress() {
-		return memoryRange.endAddress();
-	}
+  public int endAddress() {
+    return memoryRange.endAddress();
+  }
 
-	public int startAddress() {
-		return memoryRange.startAddress();
-	}
+  public int startAddress() {
+    return memoryRange.startAddress();
+  }
 
-	public String getName() {
-		return name;
-	}
+  public String getName() {
+    return name;
+  }
 
-	public void setName(String name) {
-		this.name = name;
-	}
+  public void setName(String name) {
+    this.name = name;
+  }
 
-	/**
-	 * Compares two devices.  The sort order is defined by the sort
-	 * order of the device's memory ranges.
-	 */
-	public int compareTo(Device other) {
-		if (other == null) {
-			throw new NullPointerException("Cannot compare to null.");
-		}
-		if (this == other) {
-			return 0;
-		}
-		return getMemoryRange().compareTo(other.getMemoryRange());
-	}
+  /**
+   * Compares two devices.  The sort order is defined by the sort
+   * order of the device's memory ranges.
+   */
+  public int compareTo(Device other) {
+    if (other == null) {
+      throw new NullPointerException("Cannot compare to null.");
+    }
+    if (this == other) {
+      return 0;
+    }
+    return getMemoryRange().compareTo(other.getMemoryRange());
+  }
 }

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

@@ -7,33 +7,33 @@ import com.loomcom.symon.exceptions.*;
 
 public class Memory extends Device {
 
-	private boolean readOnly;
-	private int[] mem;
+  private boolean readOnly;
+  private int[] mem;
 
-	public Memory(int address, int size, boolean readOnly)
-		    throws MemoryRangeException {
-		super(address, size, "RW Memory");
-		this.readOnly = readOnly;
-		this.mem = new int[size];
-		// Initialize all locations to 0xff
-		Arrays.fill(this.mem, 0xff);
-	}
+  public Memory(int address, int size, boolean readOnly)
+    throws MemoryRangeException {
+    super(address, size, "RW Memory");
+    this.readOnly = readOnly;
+    this.mem = new int[size];
+    // Initialize all locations to 0xff
+    Arrays.fill(this.mem, 0xff);
+  }
 
-	public Memory(int address, int size)
-		    throws MemoryRangeException {
-		this(address, size, false);
-	}
+  public Memory(int address, int size)
+    throws MemoryRangeException {
+    this(address, size, false);
+  }
 
-	public void write(int address, int data) {
-		this.mem[address] = data;
-	}
+  public void write(int address, int data) {
+    this.mem[address] = data;
+  }
 
-	public int read(int address) {
-		return this.mem[address];
-	}
+  public int read(int address) {
+    return this.mem[address];
+  }
 
-	public String toString() {
-		return "Memory: " + getMemoryRange().toString();
-	}
+  public String toString() {
+    return "Memory: " + getMemoryRange().toString();
+  }
 
 }