first nonzero beyond 1024 [0x0420]:
  0420: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0 a4 
  0430: 18 01 f8 ff ff b0 7d 3e 8d 00 f8 ff ff a0 7d 3e 
  0440: 8d 00 f8 ff ff 50 98 a4 18 01 f8 ff ff 84 03 00 
  0450: 00 00 00 00 00 d4 9b a4 18 01 f8 ff ff 00 04 00 
  0460: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc 03 00 
  0470: 00 00 00 00 00 18 01 c6 00 00 00 00 00 44 46 34