public async Task <IntcodeProgramResult> RunProgram(IntcodeProgramInput programInput)
{
CurrentMemory = new long[InitialMemory.Length * 100];
InitialMemory.CopyTo(CurrentMemory, 0);
programInput.MemoryInitialisation(CurrentMemory);
InstructionPointer = 0;
RelativeBase = 0;
Exited = false;
Errored = false;
Paused = false;
Inputs.Clear();
programInput.Inputs.ForEach(AddInput);
while (!Exited)
{
var operationCode = (int)(((CurrentMemory[InstructionPointer] / (decimal)100) - Math.Floor(CurrentMemory[InstructionPointer] / (decimal)100)) * (decimal)100);
var matchedOperations = AvailableOperations.Where(op => op.Code == operationCode);
if (matchedOperations.Count() == 0)
{
Exited = true;
Errored = true;
}
else if (matchedOperations.Count() == 1)
{
try
{
var operationResult = await matchedOperations.Single().RunOperation(InstructionPointer, CurrentMemory, RelativeBase, GetNextInput);
Exited |= operationResult.Exit;
if (operationResult.Output.HasValue)
{
AddOutput(operationResult.Output.Value);
}
if (operationResult.JumpTo.HasValue)
{
InstructionPointer = operationResult.JumpTo.Value;
}
else
{
InstructionPointer += (1 + (ulong)matchedOperations.Single().ParameterCount);
}
if (operationResult.AdjustRelativeBase.HasValue)
{
RelativeBase = RelativeBase + operationResult.AdjustRelativeBase.Value;
}
}
catch (IntcodeOperationException ex)
{
Exited = true;
Errored = true;
}
}
else
{
throw new Exception("Multiple operation definitions for operation code: " + CurrentMemory[InstructionPointer]);
}
}
var finalMemState = new long[InitialMemory.Length * 100];
CurrentMemory.CopyTo(finalMemState, 0);
List <long> finalOutputs;
lock (OutputLock)
{
finalOutputs = Outputs.CloneAsList().ToList();
}
return(new IntcodeProgramResult(!Errored, finalMemState, finalOutputs));
}