#expect 9
#expect 2
#expect 8
#expect 1
#expect 7
#expect 0
#ship debug        : Debug
#ship fifo         : Fifo
#ship fifo2        : Fifo

fifo.in: 
  clog;
  load loop counter with 3;
  take, deliver;
  decrement loop counter;
  take loop counter;
  deliver;
  unclog;

fifo.out:
  [*] take, sendto debug.in;

debug.in:
  [*] take, deliver;

fifo2.out:
  literal 9; sendto fifo.in;
  literal 8; sendto fifo.in;
  literal 7; sendto fifo.in;