public int[] Process(int[] input)
{
int[] output = input;
bool halt = false;
int instructionPointer = 0;
while (halt == false)
{
IntcodeOperation op = GetOperation(instructionPointer, output);
if (op.opcode == IntcodeOperation.HALT)
{
halt = true;
}
else
{
IntcodeOperationResult result = ProcessOperation(op);
output.SetValue(result.value, result.outputIndex);
}
instructionPointer += 4;
}
return(output);
}
IntcodeOperationResult ProcessOperation(IntcodeOperation operation)
{
int value = 0;
switch (operation.opcode)
{
case IntcodeOperation.ADD:
value = operation.args[0] + operation.args[1];
break;
case IntcodeOperation.MUL:
value = operation.args[0] * operation.args[1];
break;
default:
throw new Exception("Ran into unmapped opcode: " + operation.opcode.ToString());
}
return(new IntcodeOperationResult(value, operation.outputIndex));
}
