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BBC Micro Elite

Save and load: CHK2

Name: CHK2 [View in context] Type: Variable Category: Save and load Summary: Second checksum byte for the saved commander data file
Second checksum byte, see for more details.
IF NOT(_FIX_REAR_LASER) CH% = &92 \ The correct value for the released game ELSE CH% = &3 \ The figure in the ELTB binary on the source disc ENDIF .CHK2 { EQUB CH% EOR &A9 \ Commander checksum byte, EOR'd with &A9 to make it \ harder to tamper with the checksum byte }