Machine Language: Comparison Shopping – Butterfield, Jim

Compute! Issue 14, Volume 3, No. 7, July 1981, p. 155

Comparing numbers in machine language. Includes source code.

Trenton: The Original Computer Festival – Butterfield, Jim

Compute! Issue 15, Volume 3, No. 8, August 1981, p. 26

Report on the Trenton Computer Festival held in April 1981 at Trenton State Co ... ng Township, New Jersey.

The CBM "Fat 40"—Boon or Bane? – Butterfield, Jim

Compute! Issue 15, Volume 3, No. 8, August 1981, p. 105

Preview of the features of the "Fat 40" line of PET/CBM computers.