$ diff <(xxd 'LA_OSE_130-emu.sfc') <(xxd 'LA_OSE_131-emu.sfc) > ../diff-2023-07-17-emulator.txt
2045,2046c2045,2046
< 00007fc0: 5355 5045 5220 4d41 5249 4f57 4f52 4c44  SUPER MARIOWORLD
< 00007fd0: 2020 2020 2030 020c 0101 0100 e65f 19a0       0......._..
---
> 00007fc0: 4c41 204f 5345 2076 312e 3331 2d65 6d75  LA OSE v1.31-emu
> 00007fd0: 2020 2020 2030 020c 0101 0100 3460 cb9f       0......4`..
32509c32509
< 0007efc0: ffff ffff ffff a800 0000 0000 0000 0000  ................
---
> 0007efc0: ffff ffff ffff ffa4 0000 0000 0000 0000  ................
32821c32821
< 00080340: 0138 2438 0338 fc38 396c 386c 482c 492c  .8$8.8.89l8lH,I,
---
> 00080340: 0138 2438 0338 0138 396c 386c 482c 492c  .8$8.8.89l8lH,I,
