@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()
  to:main::@1
main::@1: scope:[main]  from main main::@1
  [5] (byte) main::i#2 ← phi( main/(byte) 0 main::@1/(byte) main::i#1 )
  [5] (byte*) main::vram_ptr#3 ← phi( main/(byte*) 1064 main::@1/(byte*) main::vram_ptr#2 )
  [5] (signed word*) main::pos_ptr#2 ← phi( main/(signed word*) 1024 main::@1/(signed word*) main::pos_ptr#1 )
  [6] *((signed word*) main::pos_ptr#2) ← (signed word) $55aa
  [7] (signed word~) main::$0 ← *((signed word*) main::pos_ptr#2) & (signed word) $aa55
  [8] (byte~) main::$1 ← < (signed word~) main::$0
  [9] *((byte*) main::vram_ptr#3) ← (byte~) main::$1
  [10] (byte*) main::vram_ptr#1 ← ++ (byte*) main::vram_ptr#3
  [11] (byte~) main::$2 ← > *((signed word*) main::pos_ptr#2)
  [12] *((byte*) main::vram_ptr#1) ← (byte~) main::$2
  [13] (byte*) main::vram_ptr#2 ← ++ (byte*) main::vram_ptr#1
  [14] (signed word*) main::pos_ptr#1 ← (signed word*) main::pos_ptr#2 + (const byte) SIZEOF_SIGNED_WORD
  [15] (byte) main::i#1 ← ++ (byte) main::i#2
  [16] if((byte) main::i#1!=(byte) 3) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@1
  [17] return 
  to:@return
