@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] phi()
  [5] call s 
  to:main::@1
main::@1: scope:[main]  from main main::@1
  [6] (byte) main::i#2 ← phi( main::@1/(byte) main::i#1 main/(byte) 0 )
  [7] *((const byte*) main::COLS#0 + (byte) main::i#2) ← (const byte) main::col#0
  [8] *((const byte*) SCREEN#0 + (byte) main::i#2) ← ++++(byte)(number) 2/(number) 2
  [9] (byte) main::i#1 ← ++ (byte) main::i#2
  [10] if((byte) main::i#1!=(byte) $65) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@1
  [11] return 
  to:@return
s: scope:[s]  from main
  [12] phi()
  to:s::@return
s::@return: scope:[s]  from s
  [13] return 
  to:@return
