public void Execute()
{
while (true)
{
if (InstructionPointer >= Instructions.Count)
{
return;
}
var instruction = Instructions[InstructionPointer++];
var command = instruction.Code;
long num = 0;
long val = 0;
switch (command)
{
case "snd":
OutputQueue.Add(GetRegister(instruction.Register[0]));
break;
case "set":
if (Int64.TryParse(instruction.Value, out num))
{
val = num;
}
else
{
val = GetRegister(instruction.Value[0]);
}
Registers[instruction.Register[0]] = val;
break;
case "add":
if (Int64.TryParse(instruction.Value, out num))
{
val = GetRegister(instruction.Register[0]) + num;
}
else
{
val = GetRegister(instruction.Register[0]) + GetRegister(instruction.Value[0]);
}
Registers[instruction.Register[0]] = val;
break;
case "mul":
if (Int64.TryParse(instruction.Value, out num))
{
val = GetRegister(instruction.Register[0]) * num;
}
else
{
val = GetRegister(instruction.Register[0]) * GetRegister(instruction.Value[0]);
}
Registers[instruction.Register[0]] = val;
break;
case "mod":
if (Int64.TryParse(instruction.Value, out num))
{
val = GetRegister(instruction.Register[0]) % num;
}
else
{
val = GetRegister(instruction.Register[0]) % GetRegister(instruction.Value[0]);
}
Registers[instruction.Register[0]] = val;
break;
case "rcv":
if (InputQueue.Count > 0)
{
Registers[instruction.Register[0]] = InputQueue.First();
InputQueue.RemoveAt(0);
}
else
{
InstructionPointer--;
return;
}
break;
case "jgz":
if (Int64.TryParse(instruction.Register, out num))
{
val = num;
}
else
{
val = GetRegister(instruction.Register[0]);
}
if (val > 0)
{
if (Int64.TryParse(instruction.Value, out num))
{
val = num;
}
else
{
val = GetRegister(instruction.Value[0]);
}
var jumpCount = val;
InstructionPointer--;
InstructionPointer += (int)jumpCount;
}
break;
}
}
}
public void Execute()
{
while (true)
{
if (InstructionPointer >= Instructions.Count)
{
return;
}
var instruction = Instructions[InstructionPointer++];
var instructionWords = instruction.Split(' ').ToList();
var command = instruction.Split(' ').First();
var register = default(char);
var value = string.Empty;
switch (command)
{
case "snd":
value = instructionWords[1];
OutputQueue.Add(GetValue(value));
break;
case "set":
register = instructionWords[1][0];
value = instructionWords[2];
Registers[register] = GetValue(value);
break;
case "add":
register = instructionWords[1][0];
value = instructionWords[2];
Registers[register] += GetValue(value);
break;
case "mul":
register = instructionWords[1][0];
value = instructionWords[2];
Registers[register] *= GetValue(value);
break;
case "mod":
register = instructionWords[1][0];
value = instructionWords[2];
Registers[register] %= GetValue(value);
break;
case "rcv":
register = instructionWords[1][0];
if (InputQueue.Count > 0)
{
Registers[register] = InputQueue.First();
InputQueue.RemoveAt(0);
}
else
{
InstructionPointer--;
return;
}
break;
case "jgz":
value = instructionWords[1];
if (GetValue(value) > 0)
{
var jumpCount = GetValue(instructionWords[2]);
InstructionPointer--;
InstructionPointer += (int)jumpCount;
}
break;
default:
throw new Exception();
}
}
}
