public void ADDA_oADD()
{
TestContext.WriteLine("ADDA / oADD");
const byte OP_ADDA = 0x8B;
const byte ADD_VALUE_1 = 0xFF;
const byte ADD_VALUE_2 = 0xFF;
cpu.set("flags", 0x00);
// add command in reverse order
readMemoryAddress = new List <byte>()
{
ADD_VALUE_2, OP_ADDA, RESET_VECTOR_VALUE_LO, RESET_VECTOR_VALUE_HI
};
cpu.reset();
cpu.regA = ADD_VALUE_1;
cpu.step();
Assert.That(readMemoryAddressAccess[0], Is.EqualTo(RESET_VECTOR_OFFSET_LO));
Assert.That(readMemoryAddressAccess[1], Is.EqualTo(RESET_VECTOR_OFFSET_HI));
Assert.That(readMemoryAddressAccess[2], Is.EqualTo(EXPECTED_RESET_READ_OFFSET_LO));
Assert.That(readMemoryAddressAccess[3], Is.EqualTo(EXPECTED_RESET_READ_OFFSET_HI));
Assert.That(cpu.regA, Is.EqualTo(254));
Assert.That(cpu.tickCount, Is.EqualTo(2));
Assert.That(cpu.flagsToString(), Is.EqualTo("eFHINzvC"));
}
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;
}
}
}