public void TestCp(byte a, byte b, bool c, bool h, bool z)
{
var device = TestUtils.CreateTestDevice();
var cpu = device.CPU;
var alu = new ALU(cpu);
alu.Cp(a, b);
Assert.Equal(c, cpu.Registers.GetFlag(CpuFlags.CarryFlag));
Assert.Equal(h, cpu.Registers.GetFlag(CpuFlags.HalfCarryFlag));
Assert.True(cpu.Registers.GetFlag(CpuFlags.SubtractFlag));
Assert.Equal(z, cpu.Registers.GetFlag(CpuFlags.ZeroFlag));
}