
void main()
main: scope:[main]  from
  [0] *main::SCREEN = ~1
  to:main::@1
main::@1: scope:[main]  from main main::@1
  [1] main::c#2 = phi( main/1, main::@1/main::c#1 )
  [2] main::$0 = ~ main::c#2
  [3] main::SCREEN[main::c#2] = main::$0
  [4] main::c#1 = ++ main::c#2
  [5] if(main::c#1!=$1b) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@1
  [6] return 
  to:@return
