;see /inc/string/hash.inc

serious_data1: ub 'serious_data1',0
  .len = $ - serious_data1
  .hash = hash.fnv1a(serious_data1 .len)

serious_data2: ub 'serious_data2, hehe',0
  .len = $ - serious_data2
  .hash = hash.fnv1a(serious_data2 .len)

etc:
  if serious_data1.hash = serious_data2.hash
    pause 'transmission ok'
  else
    pause 'smth went wrong'
  endif
