Implemented Absolute addressing mode instructions. All unit tests pass.

src/test/java/com/loomcom/symon/CpuZeroPageModeTest.java

@@ -62,6 +62,7 @@ public class CpuZeroPageModeTest extends TestCase {
    */
 
   /* ORA - Logical Inclusive OR - $05 */
+
   public void test_ORA() {
     // Set some initial values in zero page.
     bus.write(0x0000, 0x00);