
void main()
main: scope:[main]  from
  [0] main::i = 0
  to:main::@1
main::@1: scope:[main]  from main main::@2
  [1] if(main::i<8) goto main::@2
  to:main::@return
main::@return: scope:[main]  from main::@1
  [2] return 
  to:@return
main::@2: scope:[main]  from main::@1
  [3] main::$1 = main::i << 1
  [4] SCREEN[main::$1] = main::ch
  [5] main::i = ++ main::i
  [6] main::$2 = main::i << 1
  [7] SCREEN[main::$2] = main::ch
  [8] main::i = ++ main::i
  to:main::@1
