public void DisasmLDDEFFFF()
{
cpu.Reset();
memory.Write8(0x0000, 0x11); // LD DE, nn
memory.Write8(0x0001, 0xFF);
memory.Write8(0x0002, 0xFF);
ushort next = cpu.Disassemble(0x0000, out result);
Assert.AreEqual(0x0003, next, "The next op addr must be 0x0003");
Assert.AreEqual("ld de, $FFFF", result, "Disassembly string mismatch");
}
void CpuExecutionThread()
{
Debug.Log("CPU is waiting for hardware to become ready");
while (!mem.isReady)
{
Thread.Sleep(10);
}
while (!screen.isReady)
{
Thread.Sleep(10);
}
Debug.Log("CPU started");
Cpu.Reset();
dasm = Cpu.Disassemble(Cpu.Registers.PC);
Cpu.ExecutionInfo ei;
int cycles;
while (!stopped)
{
if (triggerReset)
{
triggerReset = false;
mem.LoadRom();
Cpu.Reset();
}
if (stepMode)
{
if (!nextStep)
{
Thread.Sleep(10);
continue;
}
else
{
nextStep = false;
cycles = Cpu.ExecuteSingle();
cyclesExecuted += cycles;
dasm = Cpu.Disassemble(Cpu.Registers.PC);
}
}
else
{
ei = Cpu.Execute(cyclesPerExec);
if (ei.cyclesExecuted == 0)
{
stopped = true; // breakpoint probably
}
if (autoAdjustCycles)
{
if (ei.cyclesSlept > 5)
{
cyclesPerExec -= (ei.cyclesSlept - 5) * 1000;
if (cyclesPerExec < 1000)
{
cyclesPerExec = 1000;
}
}
else if (ei.cyclesSlept < 1)
{
cyclesPerExec += 5000;
}
}
cyclesExecuted += ei.cyclesExecuted;
dasm = Cpu.Disassemble(Cpu.Registers.PC);
}
}
Debug.Log("CPU has stopped");
}