@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()
  to:main::@1
main::@1: scope:[main]  from main main::@2
  [5] (byte) main::i#2 ← phi( main/(byte/signed byte/word/signed word/dword/signed dword) 0 main::@2/(byte) main::i#1 )
  [5] (byte*) main::nxt#3 ← phi( main/(const byte[]) TEXT#0 main::@2/(byte*) main::nxt#1 )
  [6] (byte) main::c#0 ← *((byte*) main::nxt#3)
  [7] if((byte) main::c#0!=(byte) '@') goto main::@2
  to:main::@3
main::@3: scope:[main]  from main::@1
  [8] (byte) main::c#1 ← *((const byte[]) TEXT#0)
  to:main::@2
main::@2: scope:[main]  from main::@1 main::@3
  [9] (byte*) main::nxt#4 ← phi( main::@1/(byte*) main::nxt#3 main::@3/(const byte[]) TEXT#0 )
  [9] (byte) main::c#2 ← phi( main::@1/(byte) main::c#0 main::@3/(byte) main::c#1 )
  [10] (byte) main::i#1 ← ++ (byte) main::i#2
  [11] *((const byte*) SCREEN#0 + (byte) main::i#1) ← (byte) main::c#2
  [12] (byte*) main::nxt#1 ← ++ (byte*) main::nxt#4
  to:main::@1