public virtual void TestFlags()
{
cpu.SetSR(0x27ff);
Assert.True(cpu.IsFlagSet(cpu.CFlag));
Assert.True(cpu.IsFlagSet(cpu.VFlag));
Assert.True(cpu.IsFlagSet(cpu.ZFlag));
Assert.True(cpu.IsFlagSet(cpu.NFlag));
Assert.True(cpu.IsFlagSet(cpu.XFlag));
Assert.True(cpu.IsSupervisorMode());
Assert.Equal(7, cpu.GetInterruptLevel());
cpu.SetSR(0);
Assert.False(cpu.IsFlagSet(cpu.CFlag));
Assert.False(cpu.IsFlagSet(cpu.VFlag));
Assert.False(cpu.IsFlagSet(cpu.ZFlag));
Assert.False(cpu.IsFlagSet(cpu.NFlag));
Assert.False(cpu.IsFlagSet(cpu.XFlag));
Assert.False(cpu.IsSupervisorMode());
Assert.Equal(0, cpu.GetInterruptLevel());
cpu.SetCCRegister(cpu.CFlag);
Assert.True(cpu.IsFlagSet(cpu.CFlag));
Assert.False(cpu.IsFlagSet(cpu.VFlag));
Assert.False(cpu.IsFlagSet(cpu.ZFlag));
Assert.False(cpu.IsFlagSet(cpu.NFlag));
Assert.False(cpu.IsFlagSet(cpu.XFlag));
Assert.False(cpu.IsSupervisorMode());
Assert.Equal(0, cpu.GetInterruptLevel());
cpu.SetCCRegister(cpu.VFlag);
Assert.False(cpu.IsFlagSet(cpu.CFlag));
Assert.True(cpu.IsFlagSet(cpu.VFlag));
Assert.False(cpu.IsFlagSet(cpu.ZFlag));
Assert.False(cpu.IsFlagSet(cpu.NFlag));
Assert.False(cpu.IsFlagSet(cpu.XFlag));
Assert.False(cpu.IsSupervisorMode());
Assert.Equal(0, cpu.GetInterruptLevel());
cpu.SetCCRegister(cpu.ZFlag);
Assert.False(cpu.IsFlagSet(cpu.CFlag));
Assert.False(cpu.IsFlagSet(cpu.VFlag));
Assert.True(cpu.IsFlagSet(cpu.ZFlag));
Assert.False(cpu.IsFlagSet(cpu.NFlag));
Assert.False(cpu.IsFlagSet(cpu.XFlag));
Assert.False(cpu.IsSupervisorMode());
Assert.Equal(0, cpu.GetInterruptLevel());
cpu.SetCCRegister(cpu.NFlag);
Assert.False(cpu.IsFlagSet(cpu.CFlag));
Assert.False(cpu.IsFlagSet(cpu.VFlag));
Assert.False(cpu.IsFlagSet(cpu.ZFlag));
Assert.True(cpu.IsFlagSet(cpu.NFlag));
Assert.False(cpu.IsFlagSet(cpu.XFlag));
Assert.False(cpu.IsSupervisorMode());
Assert.Equal(0, cpu.GetInterruptLevel());
cpu.SetCCRegister(cpu.XFlag);
Assert.False(cpu.IsFlagSet(cpu.CFlag));
Assert.False(cpu.IsFlagSet(cpu.VFlag));
Assert.False(cpu.IsFlagSet(cpu.ZFlag));
Assert.False(cpu.IsFlagSet(cpu.NFlag));
Assert.True(cpu.IsFlagSet(cpu.XFlag));
Assert.False(cpu.IsSupervisorMode());
Assert.Equal(0, cpu.GetInterruptLevel());
}
protected void HandleCCR(string[] tokens)
{
if (tokens is null)
{
throw new ArgumentNullException(nameof(tokens));
}
if (tokens.Length == 1)
{
writer.WriteLine($"CCR: {cpu.GetCCRegister().ToString("x", CultureInfo.InvariantCulture)} {MakeFlagView()}");
}
else if (tokens.Length == 2)
{
int value;
try
{
value = ParseInt(tokens[1]);
}
catch (FormatException)
{
writer.WriteLine($"Bad value [{tokens[1]}]");
return;
}
cpu.SetCCRegister(value);
}
else
{
writer.WriteLine($"usage: {tokens[0]} [value]");
}
}