Technical Comment on FOR/NEXT Loop Structures – Butterfield, Jim

The Transactor Volume 2, No. 5, October 1979, p. 22

Technique for jumping out of nested FOR loops in BASIC without overflowing the stack.

Inside the 2040 Disk Drive – Butterfield, Jim

The Transactor Volume 2, No. 6, November 1979, p. 1

Explanation of the 2040's dual processors and the way they map the disk drive' ... or, December 1979, p. 3.

Commodore PET and CBM Memory Organization – Transactor Staff

The Transactor Volume 2, No. 6, November 1979, p. 3

Graphic memory map showing PET/CBM RAM organized into blocks.

Printer Formatting – Lantz, Kim

The Transactor Volume 2, No. 6, November 1979, p. 4

Workaround for a formatting bug on the 2022 and 2023 printers.

Bits and Pieces – Transactor Staff

The Transactor Volume 2, No. 6, November 1979, p. 5

BASIC programming tips: program flow, validating variables, using GET to creat ... of screen RAM locations.

Screen I/O – Transactor Staff

The Transactor Volume 2, No. 6, November 1979, p. 8

Technique for resetting the PET's "screen wrap" table so that each logical lin ... ts a single screen line.

A Few Entry Points: Original/Upgrade ROM – Butterfield, Jim

The Transactor Volume 2, No. 6, November 1979, p. 11

Cross-reference table of entry points of BASIC ROM and Kernal routines on the ... de ROMs for the PET/CBM.

Infinitely Long PET Programs – Troup, Henry

The Transactor Volume 2, No. 6, November 1979, p. 13

Chain-loading a BASIC program from disk in sections to create arbitrary large programs.

PET DOS Support Program – Fairbairn, R. J.

The Transactor Volume 2, No. 6, November 1979, p. 14

A DOS wedge program for the PET/CBM. Includes commented source code.

Random Access File Indexing – Hindson, Jim

The Transactor Volume 2, No. 6, November 1979, p. 26

BASIC algorithm for locating records within a random-access disk file.

Indexing Programmes on Cassette – Casey, Michael

The Transactor Volume 2, No. 6, November 1979, p. 30

A sophisticated method for indexing programs on tape that accounts for physica ... or, December 1979, p. 3.

Preliminary Report on the On-Site Use of a Microcomputer for Archaeological Fieldwork – Hathaway, G. D.

The Transactor Volume 2, No. 6, November 1979, p. 36

Report on the use of the PET 2001 at an archaelogical site.