public void AssembleGeneratesCorrectValueIfOperandIsSecondOperand()
{
var operand = new IndirectRegisterOperand { RegisterValue = 0 };
const int Index = 1;
const ushort Shift = (ushort)(OpcodeWidth + (Index * OperandWidth));
Assert.That(
operand.AssembleOperand(Index), Is.EqualTo(((ushort)OperandType.OIndirectReg + 0) << Shift));
}
public void ToStringReturnsOperandStringRepresentation()
{
var cpuStateManager = new Mock<ICpuStateOperations>();
var operand = new IndirectRegisterOperand { OperandValue = 6 };
cpuStateManager.Setup(m => m.ReadGeneralPursoseRegisterValue(0x6)).Returns(0x10);
operand.Process(cpuStateManager.Object);
var expected = string.Format("[{0}]", "I");
Assert.That(operand.ToString(), Is.EqualTo(expected));
}
public void ProcessSetsRegisterValueToAdressOfMemory()
{
var cpuStateManager = new Mock<ICpuStateOperations>();
var operand = new IndirectRegisterOperand { OperandValue = 6 };
cpuStateManager.Setup(m => m.ReadGeneralPursoseRegisterValue(0x6)).Returns(0x10);
operand.Process(cpuStateManager.Object);
cpuStateManager.Setup(m => m.ReadMemoryValueAtAddress(0x10));
operand.Read(cpuStateManager.Object);
cpuStateManager.VerifyAll();
}