ref: 20ffc8bd8b3f239e9eeeddb7ecc2543f8c55a7e9 dir: /roms.sha1/
f4cd194bdee0d04ca4eac29e09b8e4e9d818c133 *pokecrystal.gbc f2f52230b536214ef7c9924f483392993e226cfb *pokecrystal11.gbc