Les Cottrell

Les was an early adopter, starting with a MicroAce computer that he customized.

Articles (48)

TitleAuthor(s)PublicationDate
A Tape IndexSinc-LinkMay/June 1992
Another 2068 Color Monitor Adapter
RGB monitor interface using a transistor and integrated circuit (74LS04).
ZXir QLive Alive!Winter 2001
DID 2068 to be deserted???
A reader letter questioning whether the TS-2068 will continue to receive coverage, noting that active projects remain including Larken DOS...
Les CottrellSinc-LinkJuly/August 1994
Did You Know … 2068/Larken TipsSinc-LinkMarch/April 1990
Did You Know?Sinc-LinkMay/June 1994
Did You Know?Sinc-LinkJanuary/February 1994
Did You Know?
Discussion of LKDOS ROM disassembly. 164E-1FFF section of LKDOS ROM.
Sinc-LinkNovember/December 1993
Did You Know?
Discussion of LKDOS ROM disassembly.
Sinc-LinkNovember/December 1993
Did You Know?Sinc-LinkSeptember/October 1992
Did You Know?
Schematic for an AERCO style printer interface.
Sinc-LinkJanuary/February 1993
Did You Know?
Larken ROM disassembly and cartridge schematic. 0000-05BC section of ROM.
Sinc-LinkMarch/April 1993
Did You Know?Sinc-LinkNovember/December 1990
Did You Know?Sinc-LinkJanuary/February 1991
Did You Know? 2068/Larken TipsZXir QLive Alive!Fall 1993
Did You Know? The 2068 Teaches Sunday School!Sinc-LinkMay/June 1994
Did You Know… 2068/Larken tipsSinc-LinkJanuary/February 1990
Disk Drive Dress-UpZXir QLive Alive!Winter 1996
From Internet to LarKen-2068ZXir QLive Alive!Autumn 1997
Home-made 2068 LarKen Disk Interface
Instructions for building a Larken 2068 disk interface.
Update MagazineOctober 1995
How to Build a Larken Dock Board
How to make a dock cartridge board.
Update MagazineOctober 1994
How to Hack on the ZX Spectrum
Part 3 – Easy Loading Systems
ZXir QLive Alive!Summer 1998
How to Hack on the ZX Spectrum
Part 6 – Cont.
ZXir QLive Alive!Summer 1999
How to Hack on the ZX Spectrum
Part 6 – Cont.
ZXir QLive Alive!Autumn 1999
How to Hack on the ZX Spectrum
Part 7
ZXir QLive Alive!Summer 2000
How to Hack on the ZX Spectrum
Part 4 – Decrypters
ZXir QLive Alive!Autumn 1998
How to Hack on the ZX Spectrum
Part 6- Commercial Protection Systems
ZXir QLive Alive!Spring 1999
How to Hack on the ZX Spectrum
Part 1 – Pokes
ZXir QLive Alive!Summer 1997
How to Hack on the ZX Spectrum
Part 2 – Convetional Hacking Techniques
ZXir QLive Alive!Winter 1997
Input/Output
Letters from Jack Boatwright, Loic Daneels, David Solly, Louis Florit, Luke Perry, William McBrine, Les Cottrell, Bob Hartung, Jim Ditton,...
ZXir QLive Alive!Winter 2002
Input/Output
Letters from Albert Boehm, Robert Swoger, Les Cottrell, Keith Watson, John Simpson, Peter Liebert-Adelt, David Solly, Glen Goodwin, Mark Anderson,...
ZXir QLive Alive!Spring 2003
Input/Output
Letters from David Lassov, Jose Moreno, Gil Parrish, Seymour Miller, Don Lambert, Bob Swoger, Jon Shepard, Ken Harbit, Steve Johnson,...
ZXir QLive Alive!Spring 1997
Input/Output
Letters from Rod Gowen, Ata Tursucu, Hugh Howie, Les Cottrell, Tim Swenson, David Lassov, Jon Kaczor, Steve Johnson, Donald Lambert,...
ZXir QLive Alive!Winter 1996
Input/Output
Letters from Hugh Scriven, Peter Lievert-Adelt, Gil Parrish, David Lassov, Frank Davis, Bob Swoger, Steve, Johnson, Jose Moreno, George Chambers,...
ZXir QLive Alive!Spring 1996
Input/Output
Letters from Les Cottrell, Tim Swenson, Robert Gilbert, Francine Sklar, Harry Miller, David Lassov, Joan Kealy, Bill Cable, Gilliam Parrish,...
ZXir QLive Alive!Summer 1995
Input/Output
Letters from Bob Swoger, Les Cottrell, Jack Boatwright, Peter Liebert-Adelt, David Solly, Jay Shepard, Louis Florit, Frank Davis, Rita Jean...
ZXir QLive Alive!Winter 1998
Larken Cartridge SchematicZXir QLive Alive!Winter 2002
Larken Disk Editor: ReviewSinc-LinkSeptember/October 1990
LarKen Disk Interface CircuitZXir QLive Alive!Summer 1994
Larken RAMdisk at the Space CenterSinc-LinkJanuary/February 1990
Lil’ Amp Rides AgainNite-Times NewsJuly - August 1994
Lil’ Amp Rides Again!
Copy programs from one computer to another via an amplifier.
ZXir QLive Alive!Summer 1995
Listing for Disk Menu MakerSinc-LinkMarch/April 1991
LKDOS Disassembly
11FF-164C section of LKDOS ROM.
Sinc-LinkSeptember/October 1993
LKDOS Disassembly
05BD-0BBF section of LKDOS ROM.
Sinc-LinkMay/June 1993
Lunch Hour Activity at Work
Review of Gerton Lunter’s Spectrum Emulator.
ZXir QLive Alive!Winter 1997
MSDOS to Larken and MSCRIPTZXir QLive Alive!Winter 1993
Pages missing from Larken ROM DisassemblySinc-LinkJanuary/February 1994
TS-2050 Modem Compatible Serial I/FZXir QLive Alive!Spring 1997

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