public State Run(bool debug = false)
{
Debug = debug;
if (debug)
{
_memory.SetDebugMode();
}
while (_entity.Instruction != Instruction.Terminate)
{
_entity = GetInstruction(_index);
if (debug)
{
WriteLine($"Executing {_entity.Instruction} [{_index}]");
}
if (!_entity.Execute())
{
return(State.WaitingForInput);
}
if (_jumpTo >= 0)
{
_index = _jumpTo;
_jumpTo = -1;
}
else
{
_index += _entity.Step;
}
}
return(State.Finished);
}
public Computer(List <long> instructions, long firstInput)
{
_inputs = new List <long>(new[] { firstInput });
_instructions = new List <long>(instructions);
_jumpTo = -1;
_entity = InstructionEntity.NoInstruction;
_index = 0;
}
public long Run(long noun, long verb)
{
var instructions = new List <long>(_instructions);
instructions[1] = noun;
instructions[2] = verb;
var entity = InstructionEntity.NoInstruction;
int index = 0;
while (entity.Instruction != Instruction.Terminate)
{
entity = InstructionEntity.Get(instructions, index);
entity.Execute();
index += entity.Size;
}
return(instructions[0]);
}
public Computer(Memory memory, long?firstInput = null, long?steadyInput = null)
{
if (firstInput != null && steadyInput != null)
{
throw new InvalidOperationException("Cannot provide both steady input and first input to computer.");
}
_inputs = new List <long>();
if (firstInput != null)
{
_inputs.Add(firstInput.Value);
}
if (steadyInput != null)
{
_steadyInput = steadyInput;
}
_memory = memory;
_jumpTo = -1;
_entity = InstructionEntity.NoInstruction;
_index = 0;
}