private void flagCheckTest(InstructionData testData)
{
cpu.reset();
cpu.set("flags", 0xFF);
cpu.step();
for (var x = 0; x < testData.flags.Length; x++)
{
var flag = testData.flags[x];
var mask = EXPECTED_FLAG_MAP[x];
switch (flag)
{
case FLAG_CLEAR:
Assert.That(cpu.regCC & mask, Is.EqualTo(0));
break;
case FLAG_SET:
Assert.IsTrue((cpu.regCC & mask) > 0);
break;
case FLAG_UNAFFECTED:
var unaffectedFlag = (byte)(cpu.regCC & mask);
TestContext.WriteLine("offset: {0}, {1}, mask: {2}", x, unaffectedFlag, mask);
Assert.IsTrue(unaffectedFlag > 0);
break;
default:
break;
}
}
}
public void ROLA_0xFF_CarryFlagSet()
{
TestContext.WriteLine("ROLA, 0xFF - carry flag set");
const byte OP_ROLA = 0x49;
runRegisterATest(OP_ROLA, 0xFF, () =>
{
var cc = cpu.regCC |= 1;
cpu.set("flags", cc);
});
Assert.That(cpu.regA, Is.EqualTo(0xFF));
Assert.That(cpu.tickCount, Is.EqualTo(2));
Assert.That(cpu.flagsToString(), Is.EqualTo("eFhINzvC"));
}
public void oCmp_8bit_CarryFlag()
{
TestContext.WriteLine("oCMP 8bit, carry flag");
cpu.set("flags", 0x00);
cpu.oCMP(0, 0xFF);
Assert.That("efhinzvC", Is.EqualTo(cpu.flagsToString()));
}
