Colour Coordination – Butterfield, Jim

The Transactor Volume 9, No. 6, August 1989, p. 76

Why some combinations work while others don't. Jim explains the ins and outs of ... that of the background.

10 GOTO PROGRAMMING – Butterfield, Jim

RUN Volume 5, No. 5, May 1988, p. 36

When you learn to program, you can do computing your way. 20 IF YOU'VE NEVER T ... th book recommendations.

Disks, Compatibility, and Inner Secrets – Butterfield, Jim

TPUG Magazine Issue #1, February 1984, p. 10

A look at the differences between various 5.25-inch Commodore drives, includin ... 0, 1541, 8050, and 8250.

Las Vegas and the 264 – Butterfield, Jim

TPUG Magazine Issue #2, March 1984, p. 29

Preview of the 264 and 364 (eventually released as the Plus/4), presented at t ... S) in Las Vegas, Nevada.

Robots – Butterfield, Jim

TPUG Magazine Issue #3, May 1984, p. 14

Jim Butterfield writes about robots and relays an anecdote about a misbehaving ... ademy on Microcomputers.

The Assembler Maze – Butterfield, Jim

TPUG Magazine Issue #4, June 1984, p. 14

List of assemblers available for 64, with brief personal reactions.

The Great 25-Cent Experiment – Butterfield, Jim

TPUG Magazine Issue #5, July 1984, p. 15

Jim Butterfield placed a request for quarters in 18 programs in 1977 to see how many users would respond.

A Commercial Note – Butterfield, Jim

TPUG Magazine Issue #6, September 1984, p. 28

Jim Butterfield writes about his commercial activities: consulting for Commodo ... from Pro-Line Software.

Secondary Address Bits – Butterfield, Jim

The Transactor Volume 8, No. 1, July 1987, p. 44

Little-known tips from Jim Butterfield...a characteristic of secondary addresse ... ly-documented behaviour.

Square Roots in ML – Butterfield, Jim

The Transactor Volume 8, No. 4, January 1988, p. 52

Jim Butterfield tells how – without floating point!...remember those manual squ ... "long division" method.

Machine Language: The Curious BIT Command – Butterfield, Jim

Compute!'s Gazette Special Section Volume 12, No. 10, October 1990, p. 16

Using the curious BIT command. Examine input/output registers and do it quickly ... e. Includes source code.

Machine Language: More BIT Analysis – Butterfield, Jim

Compute!'s Gazette Special Section Volume 12, No. 11, November 1990, p. 20

Take a closer look at the BIT command and some of the tests it can perform. Use ... s. Includes source code.