public void TestRegisterPC()
{
ushort value;
byte[] blankMemory = new byte[65536];
Lock cpuLock = new AlwaysOpenLock();
CPU6510 cpu = new CPU6510(blankMemory, cpuLock);
value = 0x00;
cpu.PC = value;
Assert.AreEqual(value, cpu.PC);
// all bits in PCL
value = 0xff;
cpu.PC = value;
Assert.AreEqual(value, cpu.PC);
// overflow into PCH
value = 0x0100;
cpu.PC = value;
Assert.AreEqual(value, cpu.PC);
// do some random tests of the register
Random rnd = new Random();
for (int i = NUMBER_TEST_RUNS; i > 0; i--)
{
value = (ushort)rnd.Next(0x00, 0xffff);
cpu.PC = value;
Assert.AreEqual(value, cpu.PC);
}
}
public void TestRegisterPCH()
{
byte value, pcl;
byte[] blankMemory = new byte[65536];
Lock cpuLock = new AlwaysOpenLock();
CPU6510 cpu = new CPU6510(blankMemory, cpuLock);
value = 0x00;
cpu.PCH = value;
Assert.AreEqual(value, cpu.PCH);
// all bits set
value = 0xff;
cpu.PCH = value;
Assert.AreEqual(value, cpu.PCH);
// do some random tests of the register
Random rnd = new Random();
for (int i = NUMBER_TEST_RUNS; i > 0; i--)
{
cpu.PC = (ushort)rnd.Next(0x0000, 0xffff);
pcl = cpu.PCL;
value = (byte)rnd.Next(0x00, 0xff);
cpu.PCH = value;
Assert.AreEqual(value, cpu.PCH);
Assert.AreEqual(pcl, cpu.PCL);
}
}
public C64(string basicRomFileName, string characterRomFileName, string kernalRomFileName, bool isPal = true)
{
log = log = NLog.LogManager.GetCurrentClassLogger();
if (isPal)
{
systemClockRate = CLOCK_PAL;
}
else
{
systemClockRate = CLOCK_NTSC;
}
memory = new byte[ushort.MaxValue + 1];
Lock cpuLock = new AutoResetLock();
cpu = new CPU6510(memory, cpuLock);
basicRom = new byte[8192];
loadRomFromFile(basicRom, basicRomFileName);
characterRom = new byte[4096];
loadRomFromFile(characterRom, characterRomFileName);
kernalRom = new byte[8192];
loadRomFromFile(kernalRom, kernalRomFileName);
y1 = new SystemClock(cpuLock);
}
public static void Start(RendererSDL r, Network n)
{
string appDir =
Path.GetDirectoryName(Assembly.GetCallingAssembly().Location) +
Path.DirectorySeparatorChar.ToString();
renderer = r;
renderer.ResetDrawState();
network = n;
kernal = new Kernal(appDir + KERNALROM);
basic = new BASIC(appDir + BASICROM);
charset = new Char(appDir + CHARROM);
palette = new Palette();
ram = new Memory();
vic = new VIC();
sid = new SID();
cia1 = new CIA1();
cia2 = new CIA2();
io = new IO();
cpu = new CPU6510();
cpu.Start();
}
public static void Dispose()
{
if (cpu != null)
{
cpu.Stop();
while (!cpu.ThreadExited)
{
Thread.Sleep(20);
}
}
kernal = null;
basic = null;
charset = null;
palette = null;
ram = null;
vic = null;
sid = null;
cia1 = null;
cia2 = null;
io = null;
cpu = null;
}
