static void PartA()
{
List <InstructionBits> testProgram = ReadInput();
Memory memory = new Memory();
int ip = 0;
while ((ip >= 0) && (ip < testProgram.Count))
{
InstructionBits bits = testProgram[ip];
instructions[bits.opcode].Execute(bits, ref memory);
memory[ipRegister]++;
ip = memory[ipRegister];
}
Console.WriteLine("Part A: Result is " + memory[0] + ".");
}
static List <InstructionBits> ReadInput()
{
List <InstructionBits> instructions = new List <InstructionBits>();
string path = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), @"..\..\input.txt");
StreamReader reader = File.OpenText(path);
string line = reader.ReadLine();
string s = new string(line.Where(Char.IsDigit).ToArray());
ipRegister = int.Parse(s);
while ((line = reader.ReadLine()) != null)
{
int i = 0;
string[] v = line.Split(' ');
int opcode = opcodes[v[i++]];
InstructionBits bits = new InstructionBits(opcode, int.Parse(v[i++]), int.Parse(v[i++]), int.Parse(v[i++]));
instructions.Add(bits);
}
return(instructions);
}
public override void Execute(InstructionBits i, ref Memory m)
{
m[i.C] = i.A;
}
public override void Execute(InstructionBits i, ref Memory m)
{
m[i.C] = (m[i.A] == m[i.B]) ? 1 : 0;
}
public abstract void Execute(InstructionBits i, ref Memory m);