Bug Repellent

File Format
Name	Bug Repellent
Ontology	Electronic File Formats Error detection and correction Bug Repellent ; ; ;
Released	1987

Bug Repellent by Michael Kleinert and David Barron is a type-in program checker for Commodore used by Ahoy! magazine.

It generates a two-letter checksum for each line.

The algorithm was updated in Issue 6 (Jun 1984)

The programs were substantially updated by Buck Childress in Issue 41 (May 1987), adding immediate feedback, auto save and an updated algorithm.

Sample Output

original style

new style

C-64 Bug Repellent (Ahoy! Apr 1984 pg 39)
VIC 20 Bug Repellent (Ahoy! May 1984 pg 37)
Updated algorithm (Ahoy Jun 1984 pg 4)
Updated VIC 20 Bug Repellent (Ahoy! Mar 1985 pg 64)
C-128 Bug Repellent and updated C-64 Bug Repellent (Ahoy! May 1986 pg 98)
Buck Childress updates (Ahoy! May 1987 pg 6)
Ahoy Magazine Disk Image Collection (alt copy)