Controlling Garbage Collections – Troup, Henry

The Transactor Volume 2, No. 10, 1980, p. 4

PEEKing memory to determine whether a string operation will trigger a garbage ... ntified as Henry Troop.)

Software Product Review: Eastern House Software Assembler Language Macro Packages – Campbell, Gord

The Transactor Volume 2, No. 10, 1980, p. 5

Reviews of the Graphics Drawing Compiler and PET Music and Sound Composer from Eastern House Software.

True ASCII Output – Troup, Henry

The Transactor Volume 2, No. 10, 1980, p. 9

BASIC and machine language routines for converting PETSCII to ASCII. Includes source code.

PET 2040 Disk Buffer I/O Routine – Hoogstraat, J.

The Transactor Volume 2, No. 10, 1980, p. 12

Machine language routine to transfer variables between PET memory and a direct ... require BLOCK-ALLOCATE.

PET to Heathkit H14 Printer Serial Interface – Dean, Sheldon H.

The Transactor Volume 2, No. 10, 1980, p. 29

Schematics and parts list for constructing an IEEE-488 printer interface for the Heathkit H14 line printer.

Filestatus – Troup, Henry

The Transactor Volume 2, No. 10, 1980, p. 33

Understanding the status of "logical files" defined when a device is OPENed. I ... demonstration in BASIC.

BASIC 4.0 Memory Map – Butterfield, Jim

The Transactor Volume 2, No. 10, 1980, p. 34

BASIC 4.0 Memory Map, with a description of all zero page addresses.

PET 4.0 ROM Routines – Butterfield, Jim

The Transactor Volume 2, No. 10, 1980, p. 37

Detailed memory map of the BASIC 4.0 and Kernal ROMs

More on Screen Print – McDonald, John

The Transactor Volume 2, No. 10, 1980, p. 8

An 80-column patch for Jim Butterfield's Screen Print Routine (The Transactor, October 1979, p. 22).