// expected output
#expect 1
#expect 20

#ship debug        : Debug
#ship fifo         : Fifo

debug.in:
  set flags a=1, b=b;
  [a]  set word= 1;
  [!a] set word= 0;
  deliver;
  set word= 0;
  set word= 1;
  set flags a=0, b=b;
  nop;
  [!a] set word= 20;
  deliver;