/// <summary>
/// Executes a single clock cycle of the board, including the CPU and all other devices.
/// </summary>
/// <returns>True if the CPU completed execution of an instruction.</returns>
public bool Tick()
{
bool ret = false;
mTickCounter++;
if (CPU.Tick())
{
RAM.Write();
InterruptButton.Write();
Serial1.Write();
Serial2.Write();
Timer.Write();
Parallel.Write();
ROM.Write();
ret = true;
}
Timer.Tick();
Serial1.Tick();
Serial2.Tick();
return(ret);
}