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First work toward moving to a Swing UI for the simulator.
This commit is contained in:
Seth Morabito committed
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@@ -10,387 +10,409 @@ import com.loomcom.symon.exceptions.*;
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*/
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public class CpuTest extends TestCase {
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private Cpu cpu;
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private Bus bus;
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private Memory mem;
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private Cpu cpu;
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private Bus bus;
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private Memory mem;
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public CpuTest(String testName) {
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super(testName);
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}
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public static Test suite() {
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return new TestSuite(CpuTest.class);
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}
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public void setUp() throws MemoryRangeException, MemoryAccessException {
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this.cpu = new Cpu();
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this.bus = new Bus(0x0000, 0xffff);
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this.mem = new Memory(0x0000, 0x10000);
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bus.addCpu(cpu);
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bus.addDevice(mem);
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// All test programs start at 0x0200;
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bus.write(0xfffc, 0x00);
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bus.write(0xfffd, 0x02);
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cpu.reset();
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}
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public void testReset() {
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assertEquals(0, cpu.getAccumulator());
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assertEquals(0, cpu.getXRegister());
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assertEquals(0, cpu.getYRegister());
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assertEquals(0x0200, cpu.getProgramCounter());
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assertFalse(cpu.getCarryFlag());
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assertFalse(cpu.getZeroFlag());
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assertFalse(cpu.getIrqDisableFlag());
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assertFalse(cpu.getDecimalModeFlag());
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assertFalse(cpu.getBreakFlag());
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assertFalse(cpu.getOverflowFlag());
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assertFalse(cpu.getNegativeFlag());
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}
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public void testStack() throws MemoryAccessException {
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cpu.stackPush(0x13);
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assertEquals(0x13, cpu.stackPop());
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cpu.stackPush(0x12);
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assertEquals(0x12, cpu.stackPop());
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for (int i = 0x00; i <= 0xff; i++) {
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cpu.stackPush(i);
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public CpuTest(String testName) {
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super(testName);
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}
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for (int i = 0xff; i >= 0x00; i--) {
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assertEquals(i, cpu.stackPop());
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public static Test suite() {
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return new TestSuite(CpuTest.class);
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}
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}
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public void setUp() throws MemoryRangeException, MemoryAccessException {
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this.cpu = new Cpu();
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this.bus = new Bus(0x0000, 0xffff);
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this.mem = new Memory(0x0000, 0x10000);
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bus.addCpu(cpu);
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bus.addDevice(mem);
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public void testStackPush() throws MemoryAccessException {
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assertEquals(0xff, cpu.getStackPointer());
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assertEquals(0x00, bus.read(0x1ff));
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// All test programs start at 0x0200;
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bus.write(0xfffc, 0x00);
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bus.write(0xfffd, 0x02);
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cpu.stackPush(0x06);
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assertEquals(0xfe, cpu.getStackPointer());
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assertEquals(0x06, bus.read(0x1ff));
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cpu.reset();
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}
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cpu.stackPush(0x05);
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assertEquals(0xfd, cpu.getStackPointer());
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assertEquals(0x06, bus.read(0x1ff));
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assertEquals(0x05, bus.read(0x1fe));
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public void testReset() {
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assertEquals(0, cpu.getAccumulator());
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assertEquals(0, cpu.getXRegister());
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assertEquals(0, cpu.getYRegister());
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assertEquals(0x0200, cpu.getProgramCounter());
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assertFalse(cpu.getCarryFlag());
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assertFalse(cpu.getZeroFlag());
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assertFalse(cpu.getIrqDisableFlag());
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assertFalse(cpu.getDecimalModeFlag());
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assertFalse(cpu.getBreakFlag());
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assertFalse(cpu.getOverflowFlag());
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assertFalse(cpu.getNegativeFlag());
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}
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cpu.stackPush(0x04);
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assertEquals(0xfc, cpu.getStackPointer());
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assertEquals(0x06, bus.read(0x1ff));
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assertEquals(0x05, bus.read(0x1fe));
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assertEquals(0x04, bus.read(0x1fd));
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public void testStack() throws MemoryAccessException {
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cpu.stackPush(0x03);
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assertEquals(0xfb, cpu.getStackPointer());
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assertEquals(0x06, bus.read(0x1ff));
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assertEquals(0x05, bus.read(0x1fe));
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assertEquals(0x04, bus.read(0x1fd));
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assertEquals(0x03, bus.read(0x1fc));
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cpu.stackPush(0x13);
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assertEquals(0x13, cpu.stackPop());
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cpu.stackPush(0x02);
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assertEquals(0xfa, cpu.getStackPointer());
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assertEquals(0x06, bus.read(0x1ff));
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assertEquals(0x05, bus.read(0x1fe));
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assertEquals(0x04, bus.read(0x1fd));
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assertEquals(0x03, bus.read(0x1fc));
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assertEquals(0x02, bus.read(0x1fb));
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cpu.stackPush(0x12);
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assertEquals(0x12, cpu.stackPop());
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cpu.stackPush(0x01);
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assertEquals(0xf9, cpu.getStackPointer());
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assertEquals(0x06, bus.read(0x1ff));
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assertEquals(0x05, bus.read(0x1fe));
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assertEquals(0x04, bus.read(0x1fd));
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assertEquals(0x03, bus.read(0x1fc));
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assertEquals(0x02, bus.read(0x1fb));
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assertEquals(0x01, bus.read(0x1fa));
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}
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for (int i = 0x00; i <= 0xff; i++) {
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cpu.stackPush(i);
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}
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public void testStackPushWrapsAroundToStackTop() throws MemoryAccessException {
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cpu.setStackPointer(0x01);
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for (int i = 0xff; i >= 0x00; i--) {
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assertEquals(i, cpu.stackPop());
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}
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cpu.stackPush(0x01);
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assertEquals(0x01, bus.read(0x101));
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assertEquals(0x00, cpu.getStackPointer());
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}
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cpu.stackPush(0x02);
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assertEquals(0x02, bus.read(0x100));
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assertEquals(0xff, cpu.getStackPointer());
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public void testStackPush() throws MemoryAccessException {
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assertEquals(0xff, cpu.getStackPointer());
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assertEquals(0x00, bus.read(0x1ff));
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cpu.stackPush(0x03);
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assertEquals(0x03, bus.read(0x1ff));
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assertEquals(0xfe, cpu.getStackPointer());
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}
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cpu.stackPush(0x06);
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assertEquals(0xfe, cpu.getStackPointer());
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assertEquals(0x06, bus.read(0x1ff));
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cpu.stackPush(0x05);
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assertEquals(0xfd, cpu.getStackPointer());
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assertEquals(0x06, bus.read(0x1ff));
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assertEquals(0x05, bus.read(0x1fe));
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cpu.stackPush(0x04);
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assertEquals(0xfc, cpu.getStackPointer());
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assertEquals(0x06, bus.read(0x1ff));
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assertEquals(0x05, bus.read(0x1fe));
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assertEquals(0x04, bus.read(0x1fd));
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cpu.stackPush(0x03);
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assertEquals(0xfb, cpu.getStackPointer());
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assertEquals(0x06, bus.read(0x1ff));
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assertEquals(0x05, bus.read(0x1fe));
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assertEquals(0x04, bus.read(0x1fd));
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assertEquals(0x03, bus.read(0x1fc));
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cpu.stackPush(0x02);
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assertEquals(0xfa, cpu.getStackPointer());
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assertEquals(0x06, bus.read(0x1ff));
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assertEquals(0x05, bus.read(0x1fe));
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assertEquals(0x04, bus.read(0x1fd));
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assertEquals(0x03, bus.read(0x1fc));
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assertEquals(0x02, bus.read(0x1fb));
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cpu.stackPush(0x01);
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assertEquals(0xf9, cpu.getStackPointer());
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assertEquals(0x06, bus.read(0x1ff));
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assertEquals(0x05, bus.read(0x1fe));
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assertEquals(0x04, bus.read(0x1fd));
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assertEquals(0x03, bus.read(0x1fc));
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assertEquals(0x02, bus.read(0x1fb));
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assertEquals(0x01, bus.read(0x1fa));
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}
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public void testStackPushWrapsAroundToStackTop() throws MemoryAccessException {
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cpu.setStackPointer(0x01);
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cpu.stackPush(0x01);
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assertEquals(0x01, bus.read(0x101));
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assertEquals(0x00, cpu.getStackPointer());
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cpu.stackPush(0x02);
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assertEquals(0x02, bus.read(0x100));
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assertEquals(0xff, cpu.getStackPointer());
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cpu.stackPush(0x03);
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assertEquals(0x03, bus.read(0x1ff));
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assertEquals(0xfe, cpu.getStackPointer());
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}
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public void testStackPop() throws MemoryAccessException {
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bus.write(0x1ff, 0x06);
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bus.write(0x1fe, 0x05);
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bus.write(0x1fd, 0x04);
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bus.write(0x1fc, 0x03);
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bus.write(0x1fb, 0x02);
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bus.write(0x1fa, 0x01);
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cpu.setStackPointer(0xf9);
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public void testStackPop() throws MemoryAccessException {
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bus.write(0x1ff, 0x06);
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bus.write(0x1fe, 0x05);
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bus.write(0x1fd, 0x04);
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bus.write(0x1fc, 0x03);
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bus.write(0x1fb, 0x02);
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bus.write(0x1fa, 0x01);
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cpu.setStackPointer(0xf9);
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assertEquals(0x01, cpu.stackPop());
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assertEquals(0xfa, cpu.getStackPointer());
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assertEquals(0x01, cpu.stackPop());
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assertEquals(0xfa, cpu.getStackPointer());
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assertEquals(0x02, cpu.stackPop());
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assertEquals(0xfb, cpu.getStackPointer());
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assertEquals(0x02, cpu.stackPop());
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assertEquals(0xfb, cpu.getStackPointer());
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assertEquals(0x03, cpu.stackPop());
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assertEquals(0xfc, cpu.getStackPointer());
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assertEquals(0x03, cpu.stackPop());
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assertEquals(0xfc, cpu.getStackPointer());
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assertEquals(0x04, cpu.stackPop());
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assertEquals(0xfd, cpu.getStackPointer());
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assertEquals(0x04, cpu.stackPop());
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assertEquals(0xfd, cpu.getStackPointer());
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assertEquals(0x05, cpu.stackPop());
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assertEquals(0xfe, cpu.getStackPointer());
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assertEquals(0x05, cpu.stackPop());
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assertEquals(0xfe, cpu.getStackPointer());
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assertEquals(0x06, cpu.stackPop());
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assertEquals(0xff, cpu.getStackPointer());
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}
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assertEquals(0x06, cpu.stackPop());
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assertEquals(0xff, cpu.getStackPointer());
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}
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public void testStackPopWrapsAroundToStackBottom() throws MemoryAccessException {
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bus.write(0x1ff, 0x0f); // top of stack
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bus.write(0x100, 0xf0); // bottom of stack
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bus.write(0x101, 0xf1);
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bus.write(0x102, 0xf2);
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public void testStackPopWrapsAroundToStackBottom() throws MemoryAccessException {
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bus.write(0x1ff, 0x0f); // top of stack
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bus.write(0x100, 0xf0); // bottom of stack
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bus.write(0x101, 0xf1);
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bus.write(0x102, 0xf2);
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cpu.setStackPointer(0xfe);
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cpu.setStackPointer(0xfe);
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assertEquals(0x0f, cpu.stackPop());
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assertEquals(0xff, cpu.getStackPointer());
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assertEquals(0x0f, cpu.stackPop());
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assertEquals(0xff, cpu.getStackPointer());
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assertEquals(0xf0, cpu.stackPop());
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assertEquals(0x00, cpu.getStackPointer());
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assertEquals(0xf0, cpu.stackPop());
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assertEquals(0x00, cpu.getStackPointer());
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assertEquals(0xf1, cpu.stackPop());
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assertEquals(0x01, cpu.getStackPointer());
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assertEquals(0xf1, cpu.stackPop());
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assertEquals(0x01, cpu.getStackPointer());
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assertEquals(0xf2, cpu.stackPop());
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assertEquals(0x02, cpu.getStackPointer());
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}
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assertEquals(0xf2, cpu.stackPop());
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assertEquals(0x02, cpu.getStackPointer());
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}
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public void testStackPeekDoesNotAlterStackPointer() throws MemoryAccessException {
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assertEquals(0x00, cpu.stackPeek());
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assertEquals(0xff, cpu.getStackPointer());
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public void testStackPeekDoesNotAlterStackPointer() throws MemoryAccessException {
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assertEquals(0x00, cpu.stackPeek());
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assertEquals(0xff, cpu.getStackPointer());
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cpu.stackPush(0x01);
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assertEquals(0x01, cpu.stackPeek());
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assertEquals(0xfe, cpu.getStackPointer());
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cpu.stackPush(0x01);
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assertEquals(0x01, cpu.stackPeek());
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assertEquals(0xfe, cpu.getStackPointer());
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cpu.stackPush(0x02);
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assertEquals(0x02, cpu.stackPeek());
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assertEquals(0xfd, cpu.getStackPointer());
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cpu.stackPush(0x02);
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assertEquals(0x02, cpu.stackPeek());
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assertEquals(0xfd, cpu.getStackPointer());
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cpu.stackPush(0x03);
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assertEquals(0x03, cpu.stackPeek());
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assertEquals(0xfc, cpu.getStackPointer());
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cpu.stackPush(0x03);
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assertEquals(0x03, cpu.stackPeek());
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assertEquals(0xfc, cpu.getStackPointer());
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cpu.stackPush(0x04);
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assertEquals(0x04, cpu.stackPeek());
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assertEquals(0xfb, cpu.getStackPointer());
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assertEquals(0x04, cpu.stackPeek());
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assertEquals(0xfb, cpu.getStackPointer());
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assertEquals(0x04, cpu.stackPeek());
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assertEquals(0xfb, cpu.getStackPointer());
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}
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cpu.stackPush(0x04);
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assertEquals(0x04, cpu.stackPeek());
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assertEquals(0xfb, cpu.getStackPointer());
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assertEquals(0x04, cpu.stackPeek());
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assertEquals(0xfb, cpu.getStackPointer());
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assertEquals(0x04, cpu.stackPeek());
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assertEquals(0xfb, cpu.getStackPointer());
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}
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public void testGetProcessorStatus() {
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// By default, no flags are set. Remember, bit 5
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// is always '1'.
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assertEquals(0x20, cpu.getProcessorStatus());
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cpu.setCarryFlag();
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assertEquals(0x21, cpu.getProcessorStatus());
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cpu.setZeroFlag();
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assertEquals(0x23, cpu.getProcessorStatus());
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cpu.setIrqDisableFlag();
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assertEquals(0x27, cpu.getProcessorStatus());
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cpu.setDecimalModeFlag();
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assertEquals(0x2f, cpu.getProcessorStatus());
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cpu.setBreakFlag();
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assertEquals(0x3f, cpu.getProcessorStatus());
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cpu.setOverflowFlag();
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assertEquals(0x7f, cpu.getProcessorStatus());
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cpu.setNegativeFlag();
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assertEquals(0xff, cpu.getProcessorStatus());
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public void testGetProcessorStatus() {
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// By default, no flags are set. Remember, bit 5
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// is always '1'.
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assertEquals(0x20, cpu.getProcessorStatus());
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cpu.setCarryFlag();
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assertEquals(0x21, cpu.getProcessorStatus());
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cpu.setZeroFlag();
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assertEquals(0x23, cpu.getProcessorStatus());
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cpu.setIrqDisableFlag();
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assertEquals(0x27, cpu.getProcessorStatus());
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cpu.setDecimalModeFlag();
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assertEquals(0x2f, cpu.getProcessorStatus());
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cpu.setBreakFlag();
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assertEquals(0x3f, cpu.getProcessorStatus());
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cpu.setOverflowFlag();
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assertEquals(0x7f, cpu.getProcessorStatus());
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cpu.setNegativeFlag();
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assertEquals(0xff, cpu.getProcessorStatus());
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cpu.clearCarryFlag();
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assertEquals(0xfe, cpu.getProcessorStatus());
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cpu.clearZeroFlag();
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assertEquals(0xfc, cpu.getProcessorStatus());
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cpu.clearIrqDisableFlag();
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assertEquals(0xf8, cpu.getProcessorStatus());
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cpu.clearDecimalModeFlag();
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assertEquals(0xf0, cpu.getProcessorStatus());
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cpu.clearBreakFlag();
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assertEquals(0xe0, cpu.getProcessorStatus());
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cpu.clearOverflowFlag();
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assertEquals(0xa0, cpu.getProcessorStatus());
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cpu.clearNegativeFlag();
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assertEquals(0x20, cpu.getProcessorStatus());
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}
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cpu.clearCarryFlag();
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assertEquals(0xfe, cpu.getProcessorStatus());
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cpu.clearZeroFlag();
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assertEquals(0xfc, cpu.getProcessorStatus());
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cpu.clearIrqDisableFlag();
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assertEquals(0xf8, cpu.getProcessorStatus());
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cpu.clearDecimalModeFlag();
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assertEquals(0xf0, cpu.getProcessorStatus());
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cpu.clearBreakFlag();
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assertEquals(0xe0, cpu.getProcessorStatus());
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cpu.clearOverflowFlag();
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assertEquals(0xa0, cpu.getProcessorStatus());
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cpu.clearNegativeFlag();
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assertEquals(0x20, cpu.getProcessorStatus());
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}
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public void testSetProcessorStatus() {
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// Default
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assertFalse(cpu.getZeroFlag());
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assertFalse(cpu.getZeroFlag());
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assertFalse(cpu.getIrqDisableFlag());
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assertFalse(cpu.getDecimalModeFlag());
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assertFalse(cpu.getBreakFlag());
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assertFalse(cpu.getOverflowFlag());
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assertFalse(cpu.getNegativeFlag());
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public void testSetProcessorStatus() {
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// Default
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assertFalse(cpu.getZeroFlag());
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assertFalse(cpu.getZeroFlag());
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assertFalse(cpu.getIrqDisableFlag());
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assertFalse(cpu.getDecimalModeFlag());
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assertFalse(cpu.getBreakFlag());
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assertFalse(cpu.getOverflowFlag());
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assertFalse(cpu.getNegativeFlag());
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cpu.setProcessorStatus(0x20|Cpu.P_CARRY);
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cpu.setProcessorStatus(0x20 | Cpu.P_CARRY);
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assertTrue(cpu.getCarryFlag());
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assertFalse(cpu.getZeroFlag());
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assertFalse(cpu.getIrqDisableFlag());
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assertFalse(cpu.getDecimalModeFlag());
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assertFalse(cpu.getBreakFlag());
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assertFalse(cpu.getOverflowFlag());
|
||||
assertFalse(cpu.getNegativeFlag());
|
||||
assertTrue(cpu.getCarryFlag());
|
||||
assertFalse(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertFalse(cpu.getDecimalModeFlag());
|
||||
assertFalse(cpu.getBreakFlag());
|
||||
assertFalse(cpu.getOverflowFlag());
|
||||
assertFalse(cpu.getNegativeFlag());
|
||||
|
||||
cpu.setProcessorStatus(0x20|Cpu.P_CARRY|Cpu.P_NEGATIVE);
|
||||
cpu.setProcessorStatus(0x20 | Cpu.P_CARRY | Cpu.P_NEGATIVE);
|
||||
|
||||
assertTrue(cpu.getCarryFlag());
|
||||
assertFalse(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertFalse(cpu.getDecimalModeFlag());
|
||||
assertFalse(cpu.getBreakFlag());
|
||||
assertFalse(cpu.getOverflowFlag());
|
||||
assertTrue(cpu.getNegativeFlag());
|
||||
assertTrue(cpu.getCarryFlag());
|
||||
assertFalse(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertFalse(cpu.getDecimalModeFlag());
|
||||
assertFalse(cpu.getBreakFlag());
|
||||
assertFalse(cpu.getOverflowFlag());
|
||||
assertTrue(cpu.getNegativeFlag());
|
||||
|
||||
cpu.setProcessorStatus(0x20|Cpu.P_CARRY|Cpu.P_NEGATIVE|Cpu.P_ZERO);
|
||||
cpu.setProcessorStatus(0x20 | Cpu.P_CARRY | Cpu.P_NEGATIVE | Cpu.P_ZERO);
|
||||
|
||||
assertTrue(cpu.getCarryFlag());
|
||||
assertTrue(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertFalse(cpu.getDecimalModeFlag());
|
||||
assertFalse(cpu.getBreakFlag());
|
||||
assertFalse(cpu.getOverflowFlag());
|
||||
assertTrue(cpu.getNegativeFlag());
|
||||
assertTrue(cpu.getCarryFlag());
|
||||
assertTrue(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertFalse(cpu.getDecimalModeFlag());
|
||||
assertFalse(cpu.getBreakFlag());
|
||||
assertFalse(cpu.getOverflowFlag());
|
||||
assertTrue(cpu.getNegativeFlag());
|
||||
|
||||
cpu.setProcessorStatus(0x20|Cpu.P_CARRY|Cpu.P_NEGATIVE|Cpu.P_ZERO|
|
||||
Cpu.P_OVERFLOW);
|
||||
cpu.setProcessorStatus(0x20 | Cpu.P_CARRY | Cpu.P_NEGATIVE | Cpu.P_ZERO |
|
||||
Cpu.P_OVERFLOW);
|
||||
|
||||
assertTrue(cpu.getCarryFlag());
|
||||
assertTrue(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertFalse(cpu.getDecimalModeFlag());
|
||||
assertFalse(cpu.getBreakFlag());
|
||||
assertTrue(cpu.getOverflowFlag());
|
||||
assertTrue(cpu.getNegativeFlag());
|
||||
assertTrue(cpu.getCarryFlag());
|
||||
assertTrue(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertFalse(cpu.getDecimalModeFlag());
|
||||
assertFalse(cpu.getBreakFlag());
|
||||
assertTrue(cpu.getOverflowFlag());
|
||||
assertTrue(cpu.getNegativeFlag());
|
||||
|
||||
cpu.setProcessorStatus(0x20|Cpu.P_CARRY|Cpu.P_NEGATIVE|Cpu.P_ZERO|
|
||||
Cpu.P_OVERFLOW|Cpu.P_BREAK);
|
||||
cpu.setProcessorStatus(0x20 | Cpu.P_CARRY | Cpu.P_NEGATIVE | Cpu.P_ZERO |
|
||||
Cpu.P_OVERFLOW | Cpu.P_BREAK);
|
||||
|
||||
assertTrue(cpu.getCarryFlag());
|
||||
assertTrue(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertFalse(cpu.getDecimalModeFlag());
|
||||
assertTrue(cpu.getBreakFlag());
|
||||
assertTrue(cpu.getOverflowFlag());
|
||||
assertTrue(cpu.getNegativeFlag());
|
||||
assertTrue(cpu.getCarryFlag());
|
||||
assertTrue(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertFalse(cpu.getDecimalModeFlag());
|
||||
assertTrue(cpu.getBreakFlag());
|
||||
assertTrue(cpu.getOverflowFlag());
|
||||
assertTrue(cpu.getNegativeFlag());
|
||||
|
||||
|
||||
cpu.setProcessorStatus(0x20|Cpu.P_CARRY|Cpu.P_NEGATIVE|Cpu.P_ZERO|
|
||||
Cpu.P_OVERFLOW|Cpu.P_BREAK|Cpu.P_DECIMAL);
|
||||
cpu.setProcessorStatus(0x20 | Cpu.P_CARRY | Cpu.P_NEGATIVE | Cpu.P_ZERO |
|
||||
Cpu.P_OVERFLOW | Cpu.P_BREAK | Cpu.P_DECIMAL);
|
||||
|
||||
assertTrue(cpu.getCarryFlag());
|
||||
assertTrue(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertTrue(cpu.getDecimalModeFlag());
|
||||
assertTrue(cpu.getBreakFlag());
|
||||
assertTrue(cpu.getOverflowFlag());
|
||||
assertTrue(cpu.getNegativeFlag());
|
||||
assertTrue(cpu.getCarryFlag());
|
||||
assertTrue(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertTrue(cpu.getDecimalModeFlag());
|
||||
assertTrue(cpu.getBreakFlag());
|
||||
assertTrue(cpu.getOverflowFlag());
|
||||
assertTrue(cpu.getNegativeFlag());
|
||||
|
||||
cpu.setProcessorStatus(0x20|Cpu.P_CARRY|Cpu.P_NEGATIVE|Cpu.P_ZERO|
|
||||
Cpu.P_OVERFLOW|Cpu.P_BREAK|Cpu.P_DECIMAL|
|
||||
Cpu.P_IRQ_DISABLE);
|
||||
cpu.setProcessorStatus(0x20 | Cpu.P_CARRY | Cpu.P_NEGATIVE | Cpu.P_ZERO |
|
||||
Cpu.P_OVERFLOW | Cpu.P_BREAK | Cpu.P_DECIMAL |
|
||||
Cpu.P_IRQ_DISABLE);
|
||||
|
||||
assertTrue(cpu.getCarryFlag());
|
||||
assertTrue(cpu.getZeroFlag());
|
||||
assertTrue(cpu.getIrqDisableFlag());
|
||||
assertTrue(cpu.getDecimalModeFlag());
|
||||
assertTrue(cpu.getBreakFlag());
|
||||
assertTrue(cpu.getOverflowFlag());
|
||||
assertTrue(cpu.getNegativeFlag());
|
||||
assertTrue(cpu.getCarryFlag());
|
||||
assertTrue(cpu.getZeroFlag());
|
||||
assertTrue(cpu.getIrqDisableFlag());
|
||||
assertTrue(cpu.getDecimalModeFlag());
|
||||
assertTrue(cpu.getBreakFlag());
|
||||
assertTrue(cpu.getOverflowFlag());
|
||||
assertTrue(cpu.getNegativeFlag());
|
||||
|
||||
cpu.setProcessorStatus(0x20);
|
||||
cpu.setProcessorStatus(0x20);
|
||||
|
||||
assertFalse(cpu.getCarryFlag());
|
||||
assertFalse(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertFalse(cpu.getDecimalModeFlag());
|
||||
assertFalse(cpu.getBreakFlag());
|
||||
assertFalse(cpu.getOverflowFlag());
|
||||
assertFalse(cpu.getNegativeFlag());
|
||||
assertFalse(cpu.getCarryFlag());
|
||||
assertFalse(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertFalse(cpu.getDecimalModeFlag());
|
||||
assertFalse(cpu.getBreakFlag());
|
||||
assertFalse(cpu.getOverflowFlag());
|
||||
assertFalse(cpu.getNegativeFlag());
|
||||
|
||||
cpu.setProcessorStatus(0x00);
|
||||
cpu.setProcessorStatus(0x00);
|
||||
|
||||
assertFalse(cpu.getCarryFlag());
|
||||
assertFalse(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertFalse(cpu.getDecimalModeFlag());
|
||||
assertFalse(cpu.getBreakFlag());
|
||||
assertFalse(cpu.getOverflowFlag());
|
||||
assertFalse(cpu.getNegativeFlag());
|
||||
}
|
||||
assertFalse(cpu.getCarryFlag());
|
||||
assertFalse(cpu.getZeroFlag());
|
||||
assertFalse(cpu.getIrqDisableFlag());
|
||||
assertFalse(cpu.getDecimalModeFlag());
|
||||
assertFalse(cpu.getBreakFlag());
|
||||
assertFalse(cpu.getOverflowFlag());
|
||||
assertFalse(cpu.getNegativeFlag());
|
||||
}
|
||||
|
||||
public void testAddress() {
|
||||
assertEquals(0xf1ea, cpu.address(0xea, 0xf1));
|
||||
assertEquals(0x00ea, cpu.address(0xea, 0x00));
|
||||
assertEquals(0xf100, cpu.address(0x00, 0xf1));
|
||||
assertEquals(0x1234, cpu.address(0x34, 0x12));
|
||||
assertEquals(0xffff, cpu.address(0xff, 0xff));
|
||||
}
|
||||
public void testAddress() {
|
||||
assertEquals(0xf1ea, cpu.address(0xea, 0xf1));
|
||||
assertEquals(0x00ea, cpu.address(0xea, 0x00));
|
||||
assertEquals(0xf100, cpu.address(0x00, 0xf1));
|
||||
assertEquals(0x1234, cpu.address(0x34, 0x12));
|
||||
assertEquals(0xffff, cpu.address(0xff, 0xff));
|
||||
}
|
||||
|
||||
public void testZpxAddress() {
|
||||
cpu.setXRegister(0x00);
|
||||
assertEquals(0x10, cpu.zpxAddress(0x10));
|
||||
cpu.setXRegister(0x10);
|
||||
assertEquals(0x20, cpu.zpxAddress(0x10));
|
||||
cpu.setXRegister(0x25);
|
||||
assertEquals(0x35, cpu.zpxAddress(0x10));
|
||||
cpu.setXRegister(0xf5);
|
||||
assertEquals(0x05, cpu.zpxAddress(0x10));
|
||||
public void testZpxAddress() {
|
||||
cpu.setXRegister(0x00);
|
||||
assertEquals(0x10, cpu.zpxAddress(0x10));
|
||||
cpu.setXRegister(0x10);
|
||||
assertEquals(0x20, cpu.zpxAddress(0x10));
|
||||
cpu.setXRegister(0x25);
|
||||
assertEquals(0x35, cpu.zpxAddress(0x10));
|
||||
cpu.setXRegister(0xf5);
|
||||
assertEquals(0x05, cpu.zpxAddress(0x10));
|
||||
|
||||
cpu.setXRegister(0x00);
|
||||
assertEquals(0x80, cpu.zpxAddress(0x80));
|
||||
cpu.setXRegister(0x10);
|
||||
assertEquals(0x90, cpu.zpxAddress(0x80));
|
||||
cpu.setXRegister(0x25);
|
||||
assertEquals(0xa5, cpu.zpxAddress(0x80));
|
||||
cpu.setXRegister(0x95);
|
||||
assertEquals(0x15, cpu.zpxAddress(0x80));
|
||||
}
|
||||
cpu.setXRegister(0x00);
|
||||
assertEquals(0x80, cpu.zpxAddress(0x80));
|
||||
cpu.setXRegister(0x10);
|
||||
assertEquals(0x90, cpu.zpxAddress(0x80));
|
||||
cpu.setXRegister(0x25);
|
||||
assertEquals(0xa5, cpu.zpxAddress(0x80));
|
||||
cpu.setXRegister(0x95);
|
||||
assertEquals(0x15, cpu.zpxAddress(0x80));
|
||||
}
|
||||
|
||||
public void testZpyAddress() {
|
||||
cpu.setYRegister(0x00);
|
||||
assertEquals(0x10, cpu.zpyAddress(0x10));
|
||||
cpu.setYRegister(0x10);
|
||||
assertEquals(0x20, cpu.zpyAddress(0x10));
|
||||
cpu.setYRegister(0x25);
|
||||
assertEquals(0x35, cpu.zpyAddress(0x10));
|
||||
cpu.setYRegister(0xf5);
|
||||
assertEquals(0x05, cpu.zpyAddress(0x10));
|
||||
public void testZpyAddress() {
|
||||
cpu.setYRegister(0x00);
|
||||
assertEquals(0x10, cpu.zpyAddress(0x10));
|
||||
cpu.setYRegister(0x10);
|
||||
assertEquals(0x20, cpu.zpyAddress(0x10));
|
||||
cpu.setYRegister(0x25);
|
||||
assertEquals(0x35, cpu.zpyAddress(0x10));
|
||||
cpu.setYRegister(0xf5);
|
||||
assertEquals(0x05, cpu.zpyAddress(0x10));
|
||||
|
||||
cpu.setYRegister(0x00);
|
||||
assertEquals(0x80, cpu.zpyAddress(0x80));
|
||||
cpu.setYRegister(0x10);
|
||||
assertEquals(0x90, cpu.zpyAddress(0x80));
|
||||
cpu.setYRegister(0x25);
|
||||
assertEquals(0xa5, cpu.zpyAddress(0x80));
|
||||
cpu.setYRegister(0x95);
|
||||
assertEquals(0x15, cpu.zpyAddress(0x80));
|
||||
}
|
||||
cpu.setYRegister(0x00);
|
||||
assertEquals(0x80, cpu.zpyAddress(0x80));
|
||||
cpu.setYRegister(0x10);
|
||||
assertEquals(0x90, cpu.zpyAddress(0x80));
|
||||
cpu.setYRegister(0x25);
|
||||
assertEquals(0xa5, cpu.zpyAddress(0x80));
|
||||
cpu.setYRegister(0x95);
|
||||
assertEquals(0x15, cpu.zpyAddress(0x80));
|
||||
}
|
||||
|
||||
public void testPcStatus() {
|
||||
cpu.setProgramCounter(0x03fa);
|
||||
assertEquals("$03FA", cpu.getProgramCounterStatus());
|
||||
}
|
||||
|
||||
public void testOpcodeStatus() throws MemoryAccessException {
|
||||
// LDA (immediate)
|
||||
bus.write(0x0200, 0xa9);
|
||||
bus.write(0x0201, 0xef);
|
||||
cpu.step();
|
||||
assertEquals("LDA #$EF", cpu.getOpcodeStatus());
|
||||
|
||||
// BRK instruction
|
||||
bus.write(0x0202, 0x00);
|
||||
cpu.step();
|
||||
assertEquals("BRK", cpu.getOpcodeStatus());
|
||||
|
||||
// Illegal opcode
|
||||
cpu.step();
|
||||
assertEquals("BRK", cpu.getOpcodeStatus());
|
||||
}
|
||||
|
||||
}
|
||||
Reference in new issue
Block a user