private int ExecuteNextOperation()
{
State.Opcode = Memory[State.ProgramCounter++];
IOpcode handler = OpcodeFactory.GetOpcode(State.Opcode);
if (handler == null)
{
throw new Exception(string.Format("Opcode {0} not implemented!", State.Opcode));
}
var operand = GetOperandSafe(handler);
return(handler.Execute(this, operand));
}
public void InstructionList_Completion()
{
int missingCount = 0;
for (int i = 0; i < OpcodeList.Length; i++)
{
IOpcode opcode = OpcodeFactory.GetOpcode(OpcodeList[i]);
if (opcode == null)
{
missingCount++;
Debug.WriteLine("Opcode {0:X2} is missing!", OpcodeList[i]);
}
}
if (missingCount > 0)
{
Debug.WriteLine("Opcode completion {0:###.00}%", 100D - (100D * missingCount) / OpcodeList.Length);
}
Assert.AreEqual(missingCount, 0, String.Format("{0} opcode(s) are missing", missingCount));
}