protected override void RunInstruction(ComputerInstruction instruction, ArgumentInfo arg0, ArgumentInfo arg1, ref int instructionOffset)
{
switch (instruction.Operator)
{
case ComputerOperator.Send:
long message = arg0.Value;
LinkedProgram.messageQueue.Enqueue(message);
HaltRequested = ValueSent?.Invoke(message) ?? false;
break;
case ComputerOperator.Receive:
bool received = messageQueue.TryDequeue(out long value);
if (!received)
{
// Reattempt receiving the value when continuing execution, halt until rerun
instructionOffset = 0;
HaltRequested = true;
break;
}
Registers[arg0.RegisterName] = value;
break;
default:
base.RunInstruction(instruction, arg0, arg1, ref instructionOffset);
return;
}
}
private void Send(string registerOrValue)
{
Debug.WriteLine($"program {_programId} sending... {SentCount}");
long value = GetValue(registerOrValue);
SendQueue.Add(value);
SentCount++;
ValueSent?.Invoke(this, null);
}
