Skip to navigation

BBC Micro Elite

Save and load: CHK2 (Cassette version)

Name: CHK2 [View in context] Type: Variable Category: Save and load Summary: Second checksum byte for the saved commander data file Deep dive: Commander save files The competition code
Second commander checksum byte. If the default commander is changed, a new checksum will be calculated and inserted by the elite-checksum.py script. The offset of this byte within a saved commander file is also shown (it's at byte #74).
.CHK2 EQUB &03 EOR &A9 \ The checksum value for the default commander, EOR'd \ with &A9 to make it harder to tamper with the checksum \ byte, #74