Execution Trace Log
Introduces an execution trace window that will keep track of the most recent 10000 execution steps. I'm not entirely happy with the implementation, yet.
This commit is contained in:
Seth Morabito committed
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38a4458aff
commit
bc3de80892
11 files changed
+1268
-1256
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@@ -7,30 +7,30 @@ import junit.framework.TestCase;
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public class CpuRelativeModeTest extends TestCase {
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protected Cpu cpu;
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protected Bus bus;
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protected Memory mem;
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protected Cpu cpu;
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protected Bus bus;
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protected Memory mem;
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protected void setUp() throws Exception {
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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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protected void setUp() throws Exception {
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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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// Load the reset vector.
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bus.write(0xfffc, Bus.DEFAULT_LOAD_ADDRESS & 0x00ff);
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bus.write(0xfffd, (Bus.DEFAULT_LOAD_ADDRESS & 0xff00)>>>8);
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// Load the reset vector.
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bus.write(0xfffc, Bus.DEFAULT_LOAD_ADDRESS & 0x00ff);
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bus.write(0xfffd, (Bus.DEFAULT_LOAD_ADDRESS & 0xff00) >>> 8);
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cpu.reset();
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// Assert initial state
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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(0x200, cpu.getProgramCounter());
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assertEquals(0xff, cpu.getStackPointer());
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assertEquals(0x20, cpu.getProcessorStatus());
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}
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cpu.reset();
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// Assert initial state
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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(0x200, cpu.getProgramCounter());
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assertEquals(0xff, cpu.getStackPointer());
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assertEquals(0x20, cpu.getProcessorStatus());
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}
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/*
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* The following opcodes are tested for correctness in this file:
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@@ -48,234 +48,234 @@ public class CpuRelativeModeTest extends TestCase {
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/* BPL - Branch if Positive - 0x10 */
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public void test_BPL() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0x10, 0x05); // BPL $05 ; *=$0202+$05 ($0207)
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cpu.setNegativeFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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public void test_BPL() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0x10, 0x05); // BPL $05 ; *=$0202+$05 ($0207)
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cpu.setNegativeFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x10, 0x05); // BPL $05 ; *=$0202+$05 ($0207)
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cpu.clearNegativeFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x10, 0x05); // BPL $05 ; *=$0202+$05 ($0207)
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cpu.clearNegativeFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0x10, 0xfb); // BPL $fb ; *=$0202-$05 ($01fd)
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cpu.setNegativeFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0x10, 0xfb); // BPL $fb ; *=$0202-$05 ($01fd)
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cpu.setNegativeFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x10, 0xfb); // BPL $fb ; *=$0202-$05 ($01fd)
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cpu.clearNegativeFlag();
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cpu.step();
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assertEquals(0x1fd, cpu.getProgramCounter());
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}
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cpu.reset();
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bus.loadProgram(0x10, 0xfb); // BPL $fb ; *=$0202-$05 ($01fd)
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cpu.clearNegativeFlag();
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cpu.step();
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assertEquals(0x1fd, cpu.getProgramCounter());
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}
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/* BMI - Branch if Minus - 0x30 */
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public void test_BMI() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0x30, 0x05); // BMI $05 ; *=$0202+$05 ($0207)
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cpu.setNegativeFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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public void test_BMI() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0x30, 0x05); // BMI $05 ; *=$0202+$05 ($0207)
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cpu.setNegativeFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x30, 0x05); // BMI $05 ; *=$0202+$05 ($0207)
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cpu.clearNegativeFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x30, 0x05); // BMI $05 ; *=$0202+$05 ($0207)
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cpu.clearNegativeFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0x30, 0xfb); // BMI $fb ; *=$0202-$05 ($01fd)
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cpu.setNegativeFlag();
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cpu.step();
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assertEquals(0x1fd, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0x30, 0xfb); // BMI $fb ; *=$0202-$05 ($01fd)
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cpu.setNegativeFlag();
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cpu.step();
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assertEquals(0x1fd, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x30, 0xfb); // BMI $fb ; *=$0202-$05 ($01fd)
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cpu.clearNegativeFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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}
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cpu.reset();
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bus.loadProgram(0x30, 0xfb); // BMI $fb ; *=$0202-$05 ($01fd)
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cpu.clearNegativeFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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}
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/* BVC - Branch if Overflow Clear - 0x50 */
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public void test_BVC() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0x50, 0x05); // BVC $05 ; *=$0202+$05 ($0207)
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cpu.setOverflowFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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public void test_BVC() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0x50, 0x05); // BVC $05 ; *=$0202+$05 ($0207)
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cpu.setOverflowFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x50, 0x05); // BVC $05 ; *=$0202+$05 ($0207)
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cpu.clearOverflowFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x50, 0x05); // BVC $05 ; *=$0202+$05 ($0207)
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cpu.clearOverflowFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0x50, 0xfb); // BVC $fb ; *=$0202-$05 ($01fd)
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cpu.setOverflowFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0x50, 0xfb); // BVC $fb ; *=$0202-$05 ($01fd)
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cpu.setOverflowFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x50, 0xfb); // BVC $fb ; *=$0202-$05 ($01fd)
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cpu.clearOverflowFlag();
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cpu.step();
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assertEquals(0x1fd, cpu.getProgramCounter());
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}
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cpu.reset();
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bus.loadProgram(0x50, 0xfb); // BVC $fb ; *=$0202-$05 ($01fd)
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cpu.clearOverflowFlag();
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cpu.step();
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assertEquals(0x1fd, cpu.getProgramCounter());
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}
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/* BVS - Branch if Overflow Set - 0x70 */
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public void test_BVS() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0x70, 0x05); // BVS $05 ; *=$0202+$05 ($0207)
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cpu.setOverflowFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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public void test_BVS() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0x70, 0x05); // BVS $05 ; *=$0202+$05 ($0207)
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cpu.setOverflowFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x70, 0x05); // BVS $05 ; *=$0202+$05 ($0207)
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cpu.clearOverflowFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x70, 0x05); // BVS $05 ; *=$0202+$05 ($0207)
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cpu.clearOverflowFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0x70, 0xfb); // BVS $fb ; *=$0202-$05 ($01fd)
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cpu.setOverflowFlag();
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cpu.step();
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assertEquals(0x1fd, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0x70, 0xfb); // BVS $fb ; *=$0202-$05 ($01fd)
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cpu.setOverflowFlag();
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cpu.step();
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assertEquals(0x1fd, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x70, 0xfb); // BVS $fb ; *=$0202-$05 ($01fd)
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cpu.clearOverflowFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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}
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cpu.reset();
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bus.loadProgram(0x70, 0xfb); // BVS $fb ; *=$0202-$05 ($01fd)
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cpu.clearOverflowFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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}
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/* BCC - Branch if Carry Clear - 0x90 */
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public void test_BCC() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0x90, 0x05); // BCC $05 ; *=$0202+$05 ($0207)
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cpu.setCarryFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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public void test_BCC() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0x90, 0x05); // BCC $05 ; *=$0202+$05 ($0207)
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cpu.setCarryFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x90, 0x05); // BCC $05 ; *=$0202+$05 ($0207)
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cpu.clearCarryFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x90, 0x05); // BCC $05 ; *=$0202+$05 ($0207)
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cpu.clearCarryFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0x90, 0xfb); // BCC $fb ; *=$0202-$05 ($01fd)
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cpu.setCarryFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0x90, 0xfb); // BCC $fb ; *=$0202-$05 ($01fd)
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cpu.setCarryFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0x90, 0xfb); // BCC $fb ; *=$0202-$05 ($01fd)
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cpu.clearCarryFlag();
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cpu.step();
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assertEquals(0x1fd, cpu.getProgramCounter());
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}
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cpu.reset();
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bus.loadProgram(0x90, 0xfb); // BCC $fb ; *=$0202-$05 ($01fd)
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cpu.clearCarryFlag();
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cpu.step();
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assertEquals(0x1fd, cpu.getProgramCounter());
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}
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/* BCS - Branch if Carry Set - 0xb0 */
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public void test_BCS() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0xb0, 0x05); // BCS $05 ; *=$0202+$05 ($0207)
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cpu.setCarryFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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public void test_BCS() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0xb0, 0x05); // BCS $05 ; *=$0202+$05 ($0207)
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cpu.setCarryFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0xb0, 0x05); // BCS $05 ; *=$0202+$05 ($0207)
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cpu.clearCarryFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0xb0, 0x05); // BCS $05 ; *=$0202+$05 ($0207)
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cpu.clearCarryFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0xb0, 0xfb); // BCS $fb ; *=$0202-$05 ($01fd)
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cpu.setCarryFlag();
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cpu.step();
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assertEquals(0x1fd, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0xb0, 0xfb); // BCS $fb ; *=$0202-$05 ($01fd)
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cpu.setCarryFlag();
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cpu.step();
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assertEquals(0x1fd, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0xb0, 0xfb); // BCS $fb ; *=$0202-$05 ($01fd)
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cpu.clearCarryFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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}
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cpu.reset();
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bus.loadProgram(0xb0, 0xfb); // BCS $fb ; *=$0202-$05 ($01fd)
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cpu.clearCarryFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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}
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/* BNE - Branch if Not Equal to Zero - 0xd0 */
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public void test_BNE() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0xd0, 0x05); // BNE $05 ; *=$0202+$05 ($0207)
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cpu.setZeroFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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public void test_BNE() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0xd0, 0x05); // BNE $05 ; *=$0202+$05 ($0207)
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cpu.setZeroFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0xd0, 0x05); // BNE $05 ; *=$0202+$05 ($0207)
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cpu.clearZeroFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0xd0, 0x05); // BNE $05 ; *=$0202+$05 ($0207)
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cpu.clearZeroFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0xd0, 0xfb); // BNE $fb ; *=$0202-$05 ($01fd)
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cpu.setZeroFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0xd0, 0xfb); // BNE $fb ; *=$0202-$05 ($01fd)
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cpu.setZeroFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0xd0, 0xfb); // BNE $fb ; *=$0202-$05 ($01fd)
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cpu.clearZeroFlag();
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cpu.step();
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assertEquals(0x1fd, cpu.getProgramCounter());
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}
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cpu.reset();
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bus.loadProgram(0xd0, 0xfb); // BNE $fb ; *=$0202-$05 ($01fd)
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cpu.clearZeroFlag();
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cpu.step();
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assertEquals(0x1fd, cpu.getProgramCounter());
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}
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/* BEQ - Branch if Equal to Zero - 0xf0 */
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public void test_BEQ() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0xf0, 0x05); // BEQ $05 ; *=$0202+$05 ($0207)
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cpu.setZeroFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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public void test_BEQ() throws MemoryAccessException {
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// Positive Offset
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bus.loadProgram(0xf0, 0x05); // BEQ $05 ; *=$0202+$05 ($0207)
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cpu.setZeroFlag();
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cpu.step();
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assertEquals(0x207, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0xf0, 0x05); // BEQ $05 ; *=$0202+$05 ($0207)
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cpu.clearZeroFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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cpu.reset();
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bus.loadProgram(0xf0, 0x05); // BEQ $05 ; *=$0202+$05 ($0207)
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cpu.clearZeroFlag();
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cpu.step();
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assertEquals(0x202, cpu.getProgramCounter());
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// Negative Offset
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cpu.reset();
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bus.loadProgram(0xf0, 0xfb); // BEQ $fb ; *=$0202-$05 ($01fd)
|
||||
cpu.setZeroFlag();
|
||||
cpu.step();
|
||||
assertEquals(0x1fd, cpu.getProgramCounter());
|
||||
// Negative Offset
|
||||
cpu.reset();
|
||||
bus.loadProgram(0xf0, 0xfb); // BEQ $fb ; *=$0202-$05 ($01fd)
|
||||
cpu.setZeroFlag();
|
||||
cpu.step();
|
||||
assertEquals(0x1fd, cpu.getProgramCounter());
|
||||
|
||||
cpu.reset();
|
||||
bus.loadProgram(0xf0, 0xfb); // BEQ $fb ; *=$0202-$05 ($01fd)
|
||||
cpu.clearZeroFlag();
|
||||
cpu.step();
|
||||
assertEquals(0x202, cpu.getProgramCounter());
|
||||
}
|
||||
cpu.reset();
|
||||
bus.loadProgram(0xf0, 0xfb); // BEQ $fb ; *=$0202-$05 ($01fd)
|
||||
cpu.clearZeroFlag();
|
||||
cpu.step();
|
||||
assertEquals(0x202, cpu.getProgramCounter());
|
||||
}
|
||||
|
||||
}
|
||||
Reference in new issue
Block a user