@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] (byte) main::b ← (byte) 0
  to:main::@1
main::@1: scope:[main]  from main main::@1
  [5] (byte) main::c#0 ← *((const byte*) main::bp) + (byte) 1
  [6] *((const byte*) main::SCREEN + (byte) main::b) ← (byte) main::c#0
  [7] (byte) main::b ← ++ (byte) main::b
  [8] if((byte) main::b!=(byte) $b) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@1
  [9] return 
  to:@return
