/// <summary>
/// Creates selected command instance
/// </summary>
/// <param name="operation">Operation type</param>
/// <param name="mathUnit">Math unit</param>
/// <returns>Command instance</returns>
public static Command Create(string operation, MathUnit mathUnit)
{
Command command = null;
switch (operation)
{
case "+":
command = new AdditionCommand(mathUnit);
break;
case "-":
command = new SubtractCommand(mathUnit);
break;
case "*":
command = new MultiplicationCommand(mathUnit);
break;
case "/":
command = new DivisionCommand(mathUnit);
break;
case "pow":
command = new PowCommand(mathUnit);
break;
case "extract":
command = new ExtractCommand(mathUnit);
break;
case "round":
command = new RoundCommand(mathUnit);
break;
case "exp":
command = new ExpCommand(mathUnit);
break;
case "log":
command = new LogCommand(mathUnit);
break;
}
return(command);
}
public Emulator(GraphicsBackend graphics, AudioBackend audio, InputBackend input)
{
GraphicsBackend = graphics;
AudioBackend = audio;
InputBackend = input;
graphics.Emulator = this;
audio.Emulator = this;
input.Emulator = this;
units.Add(Memory = new MemoryUnit(this));
units.Add(Graphics = new GraphicsUnit(this));
units.Add(Audio = new AudioUnit(this));
units.Add(Math = new MathUnit(this));
units.Add(Input = new InputUnit(this));
units.Add(CartridgeLoader = new CartridgeUnit(this));
foreach (var unit in units)
{
unit.Init();
}
}
/// <summary>
/// Executes command
/// </summary>
public override void Execute()
{
initialValue = MathUnit.Result;
MathUnit.RunBinary("/", ParameterValue);
}
/// <summary>
/// Creates instance of the DivisionCommand class
/// </summary>
/// <param name="mathUnit">Math unit</param>
public DivisionCommand(MathUnit mathUnit)
{
this.MathUnit = mathUnit;
}
/// <summary>
/// Executes command
/// </summary>
public override void Execute()
{
initialValue = MathUnit.Result;
MathUnit.RunUnary("exp");
}
/// <summary>
/// Creates instance of the ExpCommand class
/// </summary>
/// <param name="mathUnit">Math unit</param>
public ExpCommand(MathUnit mathUnit)
{
this.MathUnit = mathUnit;
}
/// <summary>
/// Creates instance of the MultiplicationCommand class
/// </summary>
/// <param name="mathUnit">Math unit</param>
public MultiplicationCommand(MathUnit mathUnit)
{
this.MathUnit = mathUnit;
}
/// <summary>
/// Creates instance of the LogCommand class
/// </summary>
/// <param name="mathUnit">Math unit</param>
public LogCommand(MathUnit mathUnit)
{
this.MathUnit = mathUnit;
}
/// <summary>
/// Creates instance of the AdditionCommand class
/// </summary>
/// <param name="mathUnit">Math unit</param>
public AdditionCommand(MathUnit mathUnit)
{
this.MathUnit = mathUnit;
}
/// <summary>
/// Creates instance of the ExtractCommand class
/// </summary>
/// <param name="mathUnit">Math unit</param>
public ExtractCommand(MathUnit mathUnit)
{
this.MathUnit = mathUnit;
}
/// <summary>
/// Creates instance of the PowCommand class
/// </summary>
/// <param name="mathUnit">Math unit</param>
public PowCommand(MathUnit mathUnit)
{
this.MathUnit = mathUnit;
}
/// <summary>
/// Creates instance of the RoundCommand class
/// </summary>
/// <param name="mathUnit">Math unit</param>
public RoundCommand(MathUnit mathUnit)
{
this.MathUnit = mathUnit;
}
