John Petersen

Articles (5)

TitleAuthor(s)PublicationDate
Dear Editor
Cleaning the ZX printer; secure the slot key in expansion devices; printing problems with joystick; avoid power supply related crashes;...
SyntaxSeptember 1983
JOY+
Program to demonstrate STICK command, button and diagonals.
Triangle Sinclair Users GroupSeptember & October 1984
Non-Breakable Programs 2068 Back-Up CopiesTimelinezAugust 1984
Non-Breakable Programs: 2068 Back-up Copies
Techniques for backing up non-breakable programs.
TimelinezAugust 1984
Non-Breakable Programs: 2068 Back-up Copies
Code to allow for backing up programs.
Triangle Sinclair Users GroupMay, June, July 1984

User Groups (1)

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