public void VerifyValuesOfZeroFlag(int initialValue, bool expectedResult)
{
var model = new ProgrammingModel();
model.GetRegister(RegisterName.Y).SetValue(initialValue);
model.ZeroFlag = !expectedResult;
var instruction = new Iny();
instruction.Execute(model, null, 0);
Assert.That(model.ZeroFlag, Is.EqualTo(expectedResult));
}
public void IncrementsTheValueInRegisterY()
{
const int initialValue = 42;
var model = new ProgrammingModel();
model.GetRegister(RegisterName.Y).SetValue(initialValue);
var instruction = new Iny();
instruction.Execute(model, null, 0);
Assert.That(model.GetRegister(RegisterName.Y).GetValue(),
Is.EqualTo(initialValue + 1));
}
public void ReturnsTwoCycles()
{
var instruction = new Iny();
Assert.That(instruction.CyclesFor(AddressingMode.Implied), Is.EqualTo(2));
}