private void ExecuteInstruction(Instruction inst)
{
BigInteger operand1;
BigInteger operand2;
switch (inst.Opcode)
{
case Opcode.Add:
operand1 = ReadValue(inst.A);
operand2 = ReadValue(inst.B);
WriteValue(operand1 + operand2, inst.C);
break;
case Opcode.Multiply:
operand1 = ReadValue(inst.A);
operand2 = ReadValue(inst.B);
WriteValue(operand1 * operand2, inst.C);
break;
case Opcode.Input:
operand1 = InputProvider.GetInput();
WriteValue(operand1, inst.A);
break;
case Opcode.Output:
operand1 = ReadValue(inst.A);
foreach (var sink in OutputSinks)
{
sink.SendOutput(operand1);
}
ResultSink.SendOutput(operand1);
break;
case Opcode.JumpIfTrue:
operand1 = ReadValue(inst.A);
if (operand1 != 0)
{
IP = (int)ReadValue(inst.B) - inst.Length;
}
break;
case Opcode.JumpIfFalse:
operand1 = ReadValue(inst.A);
if (operand1 == 0)
{
IP = (int)ReadValue(inst.B) - inst.Length;
}
break;
case Opcode.LessThan:
operand1 = ReadValue(inst.A);
operand2 = ReadValue(inst.B);
if (operand1 < operand2)
{
WriteValue(1, inst.C);
}
else
{
WriteValue(0, inst.C);
}
break;
case Opcode.Equals:
operand1 = ReadValue(inst.A);
operand2 = ReadValue(inst.B);
if (operand1 == operand2)
{
WriteValue(1, inst.C);
}
else
{
WriteValue(0, inst.C);
}
break;
case Opcode.AddRelativeOffset:
operand1 = ReadValue(inst.A);
RelativeBase += (int)operand1;
break;
case Opcode.Halt:
IsHalted = true;
break;
}
IP += inst.Length;
}
private void ExecuteInstruction(Instruction inst)
{
int operand1;
int operand2;
switch (inst.Opcode)
{
case Opcode.Add:
operand1 = ReadValue(inst.A);
operand2 = ReadValue(inst.B);
Program[inst.C.Value] = operand1 + operand2;
IP += inst.Length;
break;
case Opcode.Multiply:
operand1 = ReadValue(inst.A);
operand2 = ReadValue(inst.B);
Program[inst.C.Value] = operand1 * operand2;
IP += inst.Length;
break;
case Opcode.Input:
operand1 = InputProvider.GetInput();
Program[inst.A.Value] = operand1;
IP += inst.Length;
break;
case Opcode.Output:
operand1 = ReadValue(inst.A);
foreach (var sink in OutputSinks)
{
sink.SendOutput(operand1);
}
ResultSink.SendOutput(operand1);
IP += inst.Length;
break;
case Opcode.JumpIfTrue:
operand1 = ReadValue(inst.A);
if (operand1 != 0)
{
IP = ReadValue(inst.B);
}
else
{
IP += inst.Length;
}
break;
case Opcode.JumpIfFalse:
operand1 = ReadValue(inst.A);
if (operand1 == 0)
{
IP = ReadValue(inst.B);
}
else
{
IP += inst.Length;
}
break;
case Opcode.LessThan:
operand1 = ReadValue(inst.A);
operand2 = ReadValue(inst.B);
if (operand1 < operand2)
{
Program[inst.C.Value] = 1;
}
else
{
Program[inst.C.Value] = 0;
}
IP += inst.Length;
break;
case Opcode.Equals:
operand1 = ReadValue(inst.A);
operand2 = ReadValue(inst.B);
if (operand1 == operand2)
{
Program[inst.C.Value] = 1;
}
else
{
Program[inst.C.Value] = 0;
}
IP += inst.Length;
break;
}
}