public override Decoder Instr(Opcode opcode, string format)
{
var mutators = new List<Mutator>();
for (int i = 0; i < format.Length; ++i)
{
switch (format[i])
{
case 'r':
{
++i;
int n = Disassembler.ReadDecimal(format, ref i);
mutators.Add(Disassembler.Reg(n));
}
break;
default:
throw new NotImplementedException($"{format[i]}");
}
}
return new ThreadedDecoder(opcode, mutators.ToArray());
}