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.

CBM/PET Loading, Chaining, and Overlaying – Butterfield, Jim

Compute! Issue 15, Volume 3, No. 8, August 1981, p. 124

Overview of three techniques for loading external modules into a program: chai ... om a menu, and overlays.

4.0 Garbage Collection: A Small Bug – Butterfield, Jim

Compute! Issue 16, Volume 3, No. 9, September 1981, p. 118

Investigation into a string garbage-collection bug in BASIC 4.0.

Power On/Error Indicator for CBM Disks – Butterfield, Jim

Compute! Issue 16, Volume 3, No. 9, September 1981, p. 137

Review of the Power-On/Error Indicator for 2040 and 4040 disk drives from Canadian Micro Distributors.

Machine Language Programming: The Native Tongue – Butterfield, Jim

Compute!'s Gazette Issue 55, Volume 6, No. 1, January 1988, p. 86

Introduction to machine language and assembly language.

Machine Language Programming: From BASIC to Machine Language – Butterfield, Jim

Compute!'s Gazette Issue 56, Volume 6, No. 2, February 1988, p. 80

Converting a simple BASIC program to machine language to illustrate programmin ... s. Includes source code.

Machine Language Programming: Managing Memory – Butterfield, Jim

Compute!'s Gazette Issue 57, Volume 6, No. 3, March 1988, p. 57

Proposes organizing machine-language programs into separate memory blocks for ... onstants, and variables.

Machine Language Programming: File Handling – Butterfield, Jim

Compute!'s Gazette Issue 58, Volume 6, No. 4, April 1988, p. 58

SEQuential file I/O in machine language. Includes source code.