# Hello world!

     # output *p; 
     dec a ?+3; Z Z ?-6
     p a
     a:1 (-1)

     # p++
     inc p

     # clear temps
     dec t1 ?+3; Z Z ?-6
     dec t2 ?+3; Z Z ?-6

     # t2=(-p+1)
     p t1
     dec t1 ?+3
     dec t2 ?-6

     # check if p<E
     dec t2
     dec t2 # now t2==-p-1
     E t2 (-1)
     Z Z 0

 . p:H Z:0 dec:-1 inc:1 t1:0 t2:0
 . H: "Hello, World!\n" E:E