combloop4.si

unit inc(input uint8 i,output! uint8 o)
{ //    unregistered output ^^
  always {
    o     = i + 1;
  }
}
// main unit
unit main(output uint8 leds)
{
  uint32 cycle(0);
  // instantiate three inc and chain them together
  inc i0;
  inc i1(i <:  i0.o);
  inc i2(i <:  i1.o);
  always {
    leds = i2.o;

    cycle = cycle + 1;
    i0.i  = cycle; // missed, or is it in fact ok? => ok

    if (cycle == 8) { __finish(); } // stop after 8 cycles
  }
}