I was trying to read the data from a DS1982.
I managed to read it successfully, but I need to know the equation that produced the second byte of Bytes
Button (1):
ROM ID: B7 00 00 0A 11 E5 F4 09
BYTES : 08 E3 E6 56 0C C8 E6
Button (2):
ROM ID: 78 00 00 09 46 BA AC 09
BYTES : 50 87 7E 55 54 97 7E