Larry Crawford

Articles (25)

TitleAuthor(s)PublicationDate
2068 & Spectrum Customized ROMs
Short article on author’s customized ROMs and brief description of how to create one’s own.
Sinc-LinkMarch/April 1986
2068 24-Pin Bit Image Graphics for 24-Pin or Bubble Jet Printers in Epson EmulationSinc-LinkNovember/December 1993
2068 Expanding Array
If you create an array for the storage of data, the chances are that you will dimension the array to...
Sinc-LinkMay/June 1987
2068 Larken Disk Menu MakerSinc-LinkMarch/April 1991
2068 ROM Bypass Board Schematic, Revised
Revised and accurate schematic for William Pedersen’s ROM bypass board.
Update MagazineJanuary 1995
24-Pin Bit Image Graphics for 24-Pin or Bubble Jet Printers in Epson Emulation
Programming tips for printing to 24-pin printers from the 2068.
Update MagazineOctober 1993
A Couple of Workshop HintsSinc-LinkNovember/December 1989
A Guide to Using CTAS, the Customizer and the Printer
Program that customizes Tasword for Larken and Oliger systems.
Update MagazineJanuary 1994
A T/S 2068 Utility to Put Basic Programs into the Larken RAMDisk Banks
It is possible to load any of the RAMDISK banks with code which simulates a BASIC cartridge (an AROS) and...
Update MagazineApril 1990
Another Approach to Extra Memory Banks
I put together a board using eight 43256 chips, giving 256K in eight banks. This article will describe how it...
Update MagazineOctober 1989
Bill Pedersen’s Diskspeed Program
Adjustments to the disk speed program to make it work with Larken drives.
Update MagazineApril 1994
Correction: Other Uses for Larken RAMDiskSinc-LinkJuly/August 1990
Customize Your 2068 Keyboard
Circuit to generate a series of keystrokes using CMOS oscillator (4011), counter (4017) and switch (4066). Includes examples for CHR$(27);...
Sinc-LinkJuly/August 1985
Disk Drive ProblemSinc-LinkNovember/December 1988
Esc KeyThe PlotterFebruary 1986
Input/Output
Letters from Carlos Delhez, Robert Gilbert, Larry Crawford, Rod Gowen, Fred Henn, Gilliam Parrish, Greg Bridgewater.
ZXir QLive Alive!Spring 1995
Interface for RAM in T/S 2068 I/O Ports
Requires Oliger expansion board.
Sinc-LinkMay/June 1989
Obituaries
Larry Crawford, Steve Cooper.
ZXir QLive Alive!Winter 1995
Other Uses for the T/S 2068 Larken RAMDisk
The LARKEN RAMDISK banks are all mapped into the DOCK bank of the 2068 even though the board is plugged...
Update MagazineApril 1990
Other Uses for the T/S 2068 Larken RAMdiskSinc-LinkMarch/April 1990
Power Supply and the 2068
Upgrading power supply and reducing noise.
Sinc-LinkJanuary/February 1989
ROM/EXROM Bypass Board for External Eproms
Notes and schematics that expand on William J. Pedersen’s ideas.
Update MagazineJuly 1993
Some comments on bitim.b1, a utility to create and print 1 or 22 one-line screen files to a 24-pin or bubble jet printerUpdate MagazineJanuary 1994
Tape Amplifier for Loading Weak Tapes
Circuit diagram for an op-amp based signal booster.
Sinc-LinkNovember/December 1985
Tape Amplifier for Loading Weak TapesKeyboardsNovember-December 1985
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