
void main()
main: scope:[main]  from
  [0] *SCREEN = '-'
  [1] *(SCREEN+1) = 'x'
  [2] *(SCREEN+2) = 'x'
  [3] *(SCREEN+3) = '-'
  to:main::@return
main::@return: scope:[main]  from main
  [4] return 
  to:@return
