DO WHILE Counter <= MaxCount AND FlagIsTrue
  ...
  FlagIsTrue = SomeLogic( )

  * You might want to skip this lines, so

  if FlagIsTrue
    * Extra lines in the loop
  endif

  Counter = Counter + 1

ENDDO

"The five senses obstruct or deform the apprehension of reality."
Jorge L. Borges?

"Premature optimization is the root of all evil in programming."
Donald Knuth, repeating C. A. R. Hoare

"To die for a religion is easier than to live it absolutely"
Jorge L. Borges