private static void RunOpcodeProgram(long[] originalRegister)
{
var register = (long[])originalRegister.Clone();
var pos = 0L;
var running = true;
do
{
var opcode = register[pos].ToString().PadLeft(6, '0');
var val = new ValueRetriever(register, opcode, pos);
switch (opcode)
{
case string o when o.EndsWith("01"): //addition
var a = val.Get(1);
var b = val.Get(2);
var addRes = a + b;
register[register[pos + 3]] = addRes;
pos += 4;
break;
case string o when o.EndsWith("02"): //multiplication
var x = val.Get(1);
var y = val.Get(2);
var multiRes = x * y;
register[register[pos + 3]] = multiRes;
pos += 4;
break;
case string o when o.EndsWith("03"): //input
Console.Write("Input: ");
var input = int.Parse(Console.ReadLine() ?? String.Empty);
register[register[pos + 1]] = input;
pos += 2;
break;
case string o when o.EndsWith("04"): //output
var output = val.Get(1);
Console.Write("\r\nOut: " + output);
pos += 2;
break;
case string o when o.EndsWith("05"): //jump if true
var jumpIfTrue = val.Get(1);
if (jumpIfTrue != 0)
{
pos = val.Get(2);
}
else
{
pos += 3;
}
break;
case string o when o.EndsWith("06"): //jump if false
var jumpIfFalse = val.Get(1);
if (jumpIfFalse == 0)
{
pos = val.Get(2);
}
else
{
pos += 3;
}
break;
case string o when o.EndsWith("07"): //less then
register[register[pos + 3]] =
val.Get(1) < val.Get(2)
? 1
: 0;
pos += 4;
break;
case string o when o.EndsWith("08"): //equals
register[register[pos + 3]] =
val.Get(1) == val.Get(2)
? 1
: 0;
pos += 4;
break;
case string o when o.EndsWith("99"): //halt
Console.WriteLine("\r\nHALT!");
running = false;
break;
default:
running = false;
Console.WriteLine($"ERROR: pos {pos} opcode {opcode}");
return;
}
} while (running);
}
private static long RunOpcodeProgram(State state, long inputSignal)
{
var register = state.Register;
var latestOut = 0L;
do
{
var opcode = register[state.Pos].ToString().PadLeft(6, '0');
var val = new ValueRetriever(register, opcode, state.Pos);
switch (opcode)
{
case string o when o.EndsWith("01"): //addition
var a = val.Get(1);
var b = val.Get(2);
var addRes = a + b;
register[register[state.Pos + 3]] = addRes;
state.Pos += 4;
break;
case string o when o.EndsWith("02"): //multiplication
var x = val.Get(1);
var y = val.Get(2);
var multiRes = x * y;
register[register[state.Pos + 3]] = multiRes;
state.Pos += 4;
break;
case string o when o.EndsWith("03"): //input
var input = state.SentPhase ? inputSignal : state.Phase;
state.SentPhase = true;
if (isDebug)
{
Console.WriteLine("Input: " + input);
}
register[register[state.Pos + 1]] = input;
state.Pos += 2;
break;
case string o when o.EndsWith("04"): //output
var output = val.Get(1);
if (isDebug)
{
Console.WriteLine("\r\nOut: " + output);
}
latestOut = output;
state.Pos += 2;
return(output);
case string o when o.EndsWith("05"): //jump if true
var jumpIfTrue = val.Get(1);
if (jumpIfTrue != 0)
{
state.Pos = val.Get(2);
}
else
{
state.Pos += 3;
}
break;
case string o when o.EndsWith("06"): //jump if false
var jumpIfFalse = val.Get(1);
if (jumpIfFalse == 0)
{
state.Pos = val.Get(2);
}
else
{
state.Pos += 3;
}
break;
case string o when o.EndsWith("07"): //less then
register[register[state.Pos + 3]] =
val.Get(1) < val.Get(2)
? 1
: 0;
state.Pos += 4;
break;
case string o when o.EndsWith("08"): //equals
register[register[state.Pos + 3]] =
val.Get(1) == val.Get(2)
? 1
: 0;
state.Pos += 4;
break;
case string o when o.EndsWith("99"): //halt
if (isDebug)
{
Console.WriteLine("\r\nHALT!");
}
state.IsRunning = false;
break;
default:
state.IsRunning = false;
Console.WriteLine($"ERROR: pos {state.Pos} opcode {opcode}");
return(-1);
}
} while (state.IsRunning);
//unchanged input
return(inputSignal);
}
private static long RunOpcodeProgram(State state, long inputSignal)
{
var register = state.Register;
var latestOut = 0L;
do
{
var opcode = register[state.Pos].ToString().PadLeft(6, '0');
var val = new ValueRetriever(state, opcode);
//Console.WriteLine($"Current Pos: {state.Pos}");
switch (opcode)
{
case string o when o.EndsWith("01"): //addition
var a = val.Get(1);
var b = val.Get(2);
var addRes = a + b;
//if (isDebug) Console.WriteLine($"Adding {a} + {b}: " + addRes);
val.Set(3, addRes);
state.Pos += 4;
break;
case string o when o.EndsWith("02"): //multiplication
var x = val.Get(1);
var y = val.Get(2);
var multiRes = x * y;
//if (isDebug) Console.WriteLine($"Multi {x} + {y}: " + multiRes);
val.Set(3, multiRes);
state.Pos += 4;
break;
case string o when o.EndsWith("03"): //input
var input = state.SentPhase ? inputSignal : state.Phase;
state.SentPhase = true;
if (isDebug)
{
Console.WriteLine("Input: " + input);
}
val.Set(1, input);
state.Pos += 2;
break;
case string o when o.EndsWith("04"): //output
var output = val.Get(1);
if (isDebug)
{
Console.WriteLine("\r\nOut: " + output);
}
latestOut = output;
state.Pos += 2;
break;
case string o when o.EndsWith("05"): //jump if true
var jumpIfTrue = val.Get(1);
if (jumpIfTrue != 0)
{
state.Pos = val.Get(2);
}
else
{
state.Pos += 3;
}
break;
case string o when o.EndsWith("06"): //jump if false
var jumpIfFalse = val.Get(1);
if (jumpIfFalse == 0)
{
state.Pos = val.Get(2);
}
else
{
state.Pos += 3;
}
break;
case string o when o.EndsWith("07"): //less then
val.Set(3,
val.Get(1) < val.Get(2)
? 1
: 0
);
state.Pos += 4;
break;
case string o when o.EndsWith("08"): //equals
val.Set(3,
val.Get(1) == val.Get(2)
? 1
: 0
);
state.Pos += 4;
break;
case string o when o.EndsWith("09"): //setting rel base
var oldRelativeBase = state.RelativeBase;
var relativeBaseChange = val.Get(1);
state.RelativeBase = oldRelativeBase + relativeBaseChange;
//if (isDebug) Console.WriteLine($"\r\n{oldRelativeBase} + {relativeBaseChange} = {state.RelativeBase}");
state.Pos += 2;
break;
case string o when o.EndsWith("99"): //halt
if (isDebug)
{
Console.WriteLine("\r\nHALT!");
}
//Console.WriteLine(string.Join(", ", state.Register));
state.Running = false;
break;
default:
state.Running = false;
Console.WriteLine($"ERROR: pos {state.Pos} opcode {opcode}");
return(-1);
}
} while (state.Running);
return(latestOut);
}