/// <summary>
/// Emits the specified platform instruction.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="emitter">The emitter.</param>
protected override void Emit(Context context, MachineCodeEmitter emitter)
{
if (context.Result is RegisterOperand && context.Operand1 is RegisterOperand && context.Operand2 is RegisterOperand)
{
RegisterOperand destination = context.Result as RegisterOperand;
RegisterOperand firstSource = context.Operand1 as RegisterOperand;
RegisterOperand secondSource = context.Operand2 as RegisterOperand;
emitter.EmitThreeRegistersUnshifted(0x24, (byte)firstSource.Register.RegisterCode, (byte)secondSource.Register.RegisterCode, (byte)destination.Register.RegisterCode);
}
else
if (context.Result is RegisterOperand && context.Operand1 is RegisterOperand && context.Operand2 is ConstantOperand)
{
RegisterOperand destination = context.Result as RegisterOperand;
RegisterOperand source = context.Operand1 as RegisterOperand;
ConstantOperand immediate = context.Operand2 as ConstantOperand;
int value = 0;
if (IsConstantBetween(immediate, -128, 127, out value))
{
emitter.EmitTwoRegisterOperandsWithK8Immediate(0x00, (byte)source.Register.RegisterCode, (byte)destination.Register.RegisterCode, (sbyte)value);
}
else
throw new OverflowException();
}
else
if (context.Result is RegisterOperand && context.Operand1 is RegisterOperand)
{
RegisterOperand destination = context.Result as RegisterOperand;
RegisterOperand source = context.Operand1 as RegisterOperand;
emitter.EmitTwoRegisterInstructions(0x13, (byte)source.Register.RegisterCode, (byte)destination.Register.RegisterCode);
}
else
{
throw new Exception("Not supported combination of operands");
}
}
/// <summary>
/// Emits the specified platform instruction.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="emitter">The emitter.</param>
protected override void Emit(Context context, MachineCodeEmitter emitter)
{
if (context.Result.IsRegister && context.Operand1.IsRegister && context.Operand2.IsRegister)
{
emitter.EmitThreeRegistersUnshifted(0x24, (byte)context.Operand1.Register.RegisterCode, (byte)context.Operand2.Register.RegisterCode, (byte)context.Result.Register.RegisterCode);
}
else if (context.Result.IsRegister && context.Operand1.IsRegister && context.Operand2.IsConstant)
{
int value = 0;
if (IsConstantBetween(context.Operand2, -128, 127, out value))
{
emitter.EmitTwoRegisterOperandsWithK8Immediate(0x00, (byte)context.Operand1.Register.RegisterCode, (byte)context.Result.Register.RegisterCode, (sbyte)value);
}
else
throw new OverflowException();
}
else if (context.Result.IsRegister && context.Operand1.IsRegister)
{
emitter.EmitTwoRegisterInstructions(0x13, (byte)context.Operand1.Register.RegisterCode, (byte)context.Result.Register.RegisterCode);
}
else
{
throw new Exception("Not supported combination of operands");
}
}
/// <summary>
/// Emits the specified platform instruction.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="emitter">The emitter.</param>
protected override void Emit(Context context, MachineCodeEmitter emitter)
{
if (context.Result.IsRegister && context.Operand1.IsRegister && context.Operand2.IsRegister)
{
emitter.EmitThreeRegistersUnshifted(0x04, (byte)context.Operand1.Register.RegisterCode, (byte)context.Operand2.Register.RegisterCode, (byte)context.Result.Register.RegisterCode);
}
else
{
throw new Exception("Not supported combination of operands");
}
}
/// <summary>
/// Emits the specified platform instruction.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="emitter">The emitter.</param>
protected override void Emit(Context context, MachineCodeEmitter emitter)
{
if (context.Result is RegisterOperand && context.Operand1 is RegisterOperand && context.Operand2 is RegisterOperand)
{
RegisterOperand destination = context.Result as RegisterOperand;
RegisterOperand firstSource = context.Operand1 as RegisterOperand;
RegisterOperand secondSource = context.Operand2 as RegisterOperand;
emitter.EmitThreeRegistersUnshifted(0x04, (byte)firstSource.Register.RegisterCode, (byte)secondSource.Register.RegisterCode, (byte)destination.Register.RegisterCode);
}
else
throw new Exception("Not supported combination of operands");
}
