Key Perfect
From Just Solve the File Format Problem
Key Perfect by Ken McCandless of MicroSparc is a Type-in Program Validator for Apple II used by Nibble Magazine till 1988.
It generates a checksum code for every 10 lines of Applesoft and every 50 bytes of machine language.
Sample Output
Version History
- Version 1 - Used by Nibble Vol 3 #1 through Vol 3 #3
- Version 2 - supports Version 1 and Version 2
- Version 4 - 1982
- Version 5 - 1985, supports Version 4 and Version 5
Links
- How To Use Key Perfect 4.0 (Nibble Express Volume III page 4)
- Key Perfect v2.0 (.do format)
- Key Perfect v2.0 (.dsk format)
- Key Perfect v5.0 (.do format)
- Key Perfect v5.0 (.dsk format) (source)
- getting Key Perfect 5.0 to run (Computist 45 page 8)