Checksummer (Frank Brall)

File Format
Name	Checksummer (Frank Brall)
Ontology	Electronic File Formats Error detection and correction Checksummer (Frank Brall)
Released	1986

Checksummer by Frank Brall is a series of type-in program checkers for Commodore programs used by the German magazines Computronic and Compute Mit.

• Checksummer C 1.0 for C-64
• Checksummer VC 1.0 for VIC 20
• Checksummer OC 1.0 and Checksummer OV 2.0 for C-16 and Plus/4
• Checksummer OVM 1.0 for machine-language programs for C-16 and Plus/4
• CPC Checksummer v1.0 and v2.0 (by Ottfried Schmidt) for CPC 464/664/6128

The Checksummer C, VC, and OC v1.0 programs print a number from 0 to 255 for every line.

Checksummer OVM used a 2 digit hex code for every line of eight bytes.

Checksummer OV and CPC 2.0 used a 2 character code.

Sample Output

VC 1.0

OVM 1.0

CPC 2.0

Links

• Checksummer C 1.0 and VC 1.0 (Computronic Mar-Apr 1986 pg 3,6)
• Tronic CPC Checksummer v1.0 (Computronic Mar-Apr 1986 pg 63)
• Checksummer OC 1.0 (Computronic Jul-Aug 1986 pg 3)
  • Checksummer OC 1.0 at Plus/4 World
• Checksummer OV 2.0 (Computronic Jul-Aug 1987 pg 24)
  • Checksummer OV 2.0 at Plus/4 World
• Schneider CPC Checksummer v2.0 (Computronic Sep-Oct 1987 pg 47)
• Checksummer OVM (Computronic Sep-Oct 1987 pg 26)
  • Checksummer OVM at Plus/4 World
• Troubleshooting Checksummer (Compute Mit Feb 1987 pg 9)
• New way of inputing special characters (Compute Mit Sep 1987 pg 13) (Alternate copy)