@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::@4
  [5] (byte) main::c1a ← (byte) c1A
  [6] (byte) main::i ← (byte) 0
  to:main::@2
main::@2: scope:[main]  from main::@1 main::@3
  [7] if((byte) main::i<(byte) $28) goto main::@3
  to:main::@4
main::@4: scope:[main]  from main::@2
  [8] (byte) c1A ← (byte) c1A + (byte) 3
  to:main::@1
main::@3: scope:[main]  from main::@2
  [9] *((const byte*) SCREEN + (byte) main::i) ← *((const byte*) SINTABLE + (byte) main::c1a)
  [10] (byte) main::c1a ← (byte) main::c1a + (byte) 4
  [11] (byte) main::i ← ++ (byte) main::i
  to:main::@2
