Tests for AddressDecoder. Fixed a bug in isComplete().

src/main/java/com/loomcom/lm6502/devices/Memory.java

@@ -0,0 +1,27 @@
+package com.loomcom.lm6502.devices;
+
+import com.loomcom.lm6502.*;
+
+public class Memory extends Device {
+
+	private boolean readOnly;
+
+	public Memory(int address, int size, Cpu cpu, boolean readOnly)
+		    throws MemoryRangeException {
+		super(address, size, "RW Memory", cpu);
+		this.readOnly = readOnly;
+	}
+
+	public Memory(int address, int size, Cpu cpu)
+		    throws MemoryRangeException {
+		this(address, size, cpu, false);
+	}
+
+	public void write(int address, int data) {
+	}
+
+	public int read(int address) {
+		return 0;
+	}
+
+}