Assembly Line: First Registers, First Debugging – Butterfield, Jim

Commodore World Issue #11, November 1995, p. 52

Using processor registers and debugging tips. Topics: using a machine-language ... K. Includes source code.

Mastering the DON'T-DO-IT Key – Butterfield, Jim

Commodore World Issue #12, January 1996, p. 37

A quick take on the key no user should be without. The behaviour of SHIFT-RETURN in the screen editor.

Peripheral Vision: Devices 0 and 3 – Butterfield, Jim

Commodore World Issue #12, January 1996, p. 50

Null characters and you. Working with device 0 (the keyboard) and device 3 (the ... , November 1995, p. 50.)

Assembly Line – Butterfield, Jim

Commodore World Issue #12, January 1996, p. 52

Using processor registers and debugging tips. Topics: registers, looping, Kerna ... , November 1995, p. 52.)

Butterfield Box: Hard Times – Butterfield, Jim

The TORPET Issue #25, November 1983, p. 15

Butterfield writes that numerous computer companies are struggling financially.

Early Notes on the Commodore 264 – Butterfield, Jim

The TORPET Issue #27, May 1984, p. 5

Preview of the improved BASIC on the Commodore 264 (later known as the Plus/4).

Butterfield Box: Computers and Show Biz – Butterfield, Jim

The TORPET Issue #18, March 1983, p. 47

Butterfield writes about writing and filming the educational programs Bits and ... emy for TVOntario (TVO).

The Commodore 128 – Banking on the Turns – Butterfield, Jim

The Transactor Volume 7, No. 4, January 1987, p. 56

C128 architecture updates from Jim Butterfield. A follow-up to The C128 – You C ... amples with source code.

Commodore 128 Disk Boot Basics – Butterfield, Jim

The Transactor Volume 7, No. 2, September 1986, p. 28

Jim Butterfield on C128 BOOT. Explanation of the 128's autoboot feature, with s ... ee different boot disks.

New Loops: The Commodore 128 BASIC Stack – Butterfield, Jim

The Transactor Volume 7, No. 2, September 1986, p. 30

...Some programmers have a knack for getting themselves tangled up in code... E ... 7.0's DO/LOOP structure.

Jim Butterfield's Complete C128 Memory Map – Butterfield, Jim

The Transactor Volume 7, No. 1, July 1986, p. 29

Detailed memory maps for the 128, including register diagrams for custom chips.

The C128 – You Can Bank on It – Butterfield, Jim

The Transactor Volume 7, No. 1, July 1986, p. 34

Introduction to the memory configurations available on the 128 via BASIC 7.0's ... include ML source code.