@begin: scope:[]  from
  [0] phi()
  to:@1
@1: scope:[]  from @begin
  [1] phi()
  [2] call main 
  to:@end
@end: scope:[]  from @1
  [3] phi()

(void()) main()
main: scope:[main]  from @1
  [4] (word) main::w ← (word) $d03
  [5] (byte~) main::$0 ← < *((const word*) main::wp)
  [6] *((const byte*) main::screen) ← (byte~) main::$0
  [7] (byte~) main::$1 ← > *((const word*) main::wp)
  [8] *((const byte*) main::screen+(byte) 1) ← (byte~) main::$1
  [9] *((const word*) main::wp) ← (word) $210c
  [10] (byte~) main::$2 ← < *((const word*) main::wp)
  [11] *((const byte*) main::screen+(byte) 2) ← (byte~) main::$2
  [12] (byte~) main::$3 ← > *((const word*) main::wp)
  [13] *((const byte*) main::screen+(byte) 3) ← (byte~) main::$3
  to:main::@return
main::@return: scope:[main]  from main
  [14] return 
  to:@return
