@begin: scope:[]  from
  [0] phi()
  to:@1
@1: scope:[]  from @begin
  [1] phi()
  [2] call main 
  to:@end
@end: scope:[]  from @1
  [3] phi()
main: scope:[main]  from @1
  [4] *((const byte*) main::PTR#0) ← <(const byte[]) main::STRING#0
  [5] *((const byte*) main::PTR#0+(byte) 1) ← >(const byte[]) main::STRING#0
  [6] (word) main::ptr#0 ← *((const byte*) main::PTR#0+(byte) 1) w= *((const byte*) main::PTR#0)
  [7] *((const byte*) main::SCREEN#0) ← *((byte*)(word) main::ptr#0)
  to:main::@return
main::@return: scope:[main]  from main
  [8] return 
  to:@return
