* Add Support for All 65C02 Opcodes and all Rockwell/WDC opcodes except WAI/STP

* Add 65C02 Opcode tests
* All tests pass, Klaus' 6502_functional_tests pass & Klaus' 65C02_extended_opcodes_test also all pass

src/test/java/com/loomcom/symon/Cpu65C02ImmediateModeTest.java

@@ -0,0 +1,72 @@
+package com.loomcom.symon;
+
+import com.loomcom.symon.devices.Memory;
+import com.loomcom.symon.exceptions.MemoryAccessException;
+import junit.framework.*;
+
+import static junit.framework.TestCase.assertFalse;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Test for Zero Page Indirect addressing mode, found on some instructions
+ * in the 65C02 and 65816
+ */
+public class Cpu65C02ImmediateModeTest extends TestCase {
+    protected Cpu    cpu;
+    protected Bus    bus;
+    protected Memory mem;
+
+    private void makeCmosCpu() throws Exception {
+        makeCpu(InstructionTable.CpuBehavior.CMOS_6502);
+    }
+
+    private void makeNmosCpu() throws Exception {
+        makeCpu(InstructionTable.CpuBehavior.NMOS_6502);
+    }
+
+    private void makeCpu(InstructionTable.CpuBehavior behavior) throws Exception {
+        this.cpu = new Cpu(behavior);
+        this.bus = new Bus(0x0000, 0xffff);
+        this.mem = new Memory(0x0000, 0xffff);
+        bus.addCpu(cpu);
+        bus.addDevice(mem);
+
+        // Load the reset vector.
+        bus.write(0xfffc, Bus.DEFAULT_LOAD_ADDRESS & 0x00ff);
+        bus.write(0xfffd, (Bus.DEFAULT_LOAD_ADDRESS & 0xff00) >>> 8);
+
+        cpu.reset();
+    }
+
+    public void test_BIT_Immediate() throws Exception {
+        makeCmosCpu();
+        bus.loadProgram(0x89, 0xF1); // 65C02 BIT #$01
+        cpu.setAccumulator(0x02);
+
+        cpu.step();
+        assertTrue(cpu.getZeroFlag());              // #$02 & #$F1 = 0
+        assertEquals(0x02,cpu.getAccumulator());    // Accumulator should not be modified
+        assertFalse(cpu.getNegativeFlag());         // BIT #Immediate should not set N or V Flags
+        assertFalse(cpu.getOverflowFlag());
+
+        cpu.reset();
+        cpu.setAccumulator(0x01);
+        cpu.step();
+        assertFalse(cpu.getZeroFlag());             // #$F1 & #$01 = 1
+        assertEquals(0x01,cpu.getAccumulator());
+
+    }
+
+    public void test_BIT_ImmediateRequiresCmosCpu() throws Exception {
+        makeNmosCpu();
+        bus.loadProgram(0x89, 0xF1); // 65C02 BIT #$01
+
+        cpu.step();
+        cpu.setAccumulator(0x01);
+        assertTrue(cpu.getZeroFlag());
+        assertEquals(0x01,cpu.getAccumulator());
+
+    }
+
+}