@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] phi()
  [5] callprepare next 
  [6] callexecute next 
  [7] (signed word~) main::$0 ← callfinalize next 
  [8] *((const signed word*) SCREEN) ← (signed word~) main::$0
  [9] callprepare next 
  [10] callexecute next 
  [11] (signed word~) main::$1 ← callfinalize next 
  [12] *((const signed word*) SCREEN+(byte) 1*(const byte) SIZEOF_SIGNED_WORD) ← (signed word~) main::$1
  to:main::@return
main::@return: scope:[main]  from main
  [13] return 
  to:@return

__stackcall (signed word()) next()
next: scope:[next]  from
  [14] (signed word) current#5 ← phi( )
  [15] (signed word) next::return#0 ← (signed word) current#5
  to:next::@return
next::@return: scope:[next]  from next
  [16] return (signed word) next::return#0
  to:@return
