コード例 #1
0
 public IntCodeComputer(long[] memory, bool outputReceiverIsSelf = false)
 {
     softwareProgram       = new SoftwareProgram(memory);
     InstructionPointer    = 0;
     RelativeBase          = 0;
     _input                = new Queue <long>();
     _outputReceiverIsSelf = outputReceiverIsSelf;
 }
コード例 #2
0
        public void Process()
        {
            var         instructionFactory = new InstructionFactory(_input);
            var         reading            = true;
            List <long> errorProgram       = new List <long>();

            do
            {
                var          opCode      = softwareProgram[InstructionPointer];
                IInstruction instruction = instructionFactory.CreateInstruction(opCode, InstructionPointer, RelativeBase);
                if (instruction != null)
                {
                    if (instruction is StopInstruction)
                    {
                        if (errorProgram.Count > 0 && errorProgram[0] != Output)
                        {
                            ErrorProgram = new SoftwareProgram(errorProgram.ToArray());
                        }

                        reading    = false;
                        HasStopped = true;
                    }
                    else if (instruction is RelativeBaseOffsetInstruction)
                    {
                        RelativeBase = ((RelativeBaseOffsetInstruction)instruction).GetRelativeBase(ref softwareProgram);
                    }
                    else if (instruction is OutputInstruction)
                    {
                        Output = ((OutputInstruction)instruction).GetOutput(ref softwareProgram);
                        if (OutputReceiver != null)
                        {
                            OutputReceiver.ReceiveInput(Output);
                            reading = false;
                        }
                        else if (_outputReceiverIsSelf)
                        {
                            reading = false;
                        }
                        else
                        {
                            errorProgram.Add(Output);
                        }
                    }
                    else
                    {
                        softwareProgram.ProcessInstruction(instruction);
                    }
                    InstructionPointer = instruction.MoveInstructionPointer();
                }
                else
                {
                    reading = false;
                }
            } while (reading && InstructionPointer < SoftwareProgram.Length);
        }