LARKEN Electronics
Owner(s):
Larry Kenny
RR #2, Navan, Ontario, Canada K4B-1H9
Products
| Name | Description | Computers |
|---|---|---|
| Larken Desk Top Publisher | Produce high quality printing with an Epson compatible printer and LKdos. Page is kept on disk and scrolling through the page is as easy as clicking on the joystick or mouse on the icon menu. | Timex/Sinclair 2068 |
| LARKEN Disk Editor | Examine or change any byte on a LKdos disk. Useful in repairing damaged or glitched disks, changing the disk name or head speed, etc. You can also examine the track map and disk info headers. Documentation for the disk editor also includes information on how to access LKdos from machine code and information on the | Timex/Sinclair 2068 |
| Larken Disk System | Floppy disk interface, LKDOS cartridge, operating manual and LKDOS utilities disk. Can support up to four 3″ to 5.25″ single-sided, double-sided or quad density disk drives. NMI snapshot button and Kempston joystick port on the disk interface. | Timex/Sinclair 2068 |
| LARKEN RAMdisk | Expands the 2068 with up to 256K of nonvolatile RAM. Includes LKDOS Extended BASIC cartridge and memory board that attaches to expansion port. LKDOS uses standard BASIC commands (LOAD, CAT, SAVE, etc) to operate the RAM disk. Uses 32K (62256) CMOS RAM chips backed up with a battery; comes with 64K. Compatible with Spectrum, OS-64 | Timex/Sinclair 2068 |
| Larken ZX81 Disk System | Floppy disk interface for ZX81/TS1000. | Timex/Sinclair 1000 |
| LKDOS/Extended BASIC Cartridge | Contains Larken DOS with 8K ROM and 8K RAM on the cartridge. Used to control Larken DSK-400 or other disk interfaces. All LKDOS or extended BASIC commands use the PRINT #4: syntax. Support for all Timex DOS commands. Extended basic commands include CIRCLE, windows, box clear and fill, channel support for devices, variations of POKE, | Timex/Sinclair 2068 |
| MAXCOM | Full-featured modem software that links the modem to the disk, allowing uploads or downloads of files larger than 100K. Send NMI saves and large text files as well as Basic or code files, which other modem programs couldn’t send because of memory limitations. Also files can be sent with or without a information header (Spec-term | Timex/Sinclair 2068 |
| Sequential/Random Access Files Support Package | RAM-based LKDOS extension adds support for sequential data file support to BASIC commands. Lets you create, read from, or write to very large data files kept on disk. It uses the commands OPEN#, CLOSE#, PRINT#, INPUT#, and INKEY$# to access the files from BASIC. There is also a high speed search command for finding a | Timex/Sinclair 2068 |
Books
Periodicals
Documents
- Adding the Larken RAMDisk to an Existing LKDOS System
- Larken Disk Drive manual
- Larken Disk Drive manual - 2
- Larken Disk Drive manual versions L3 and L3F
- Larken Disk Interface Schematic
- Larken Maxcom instructions
- Letter from Les Cottrell to Bob Swoger with Larken disk interface schematics
- RAMDisk Backup & Restore Utility
- RMG Update News for April 1991
- RMG Update News for March 1991
- RMG Update News for March 1991
- Sequential Random Access File Utility
- Unofficial Technical Manual for the ZX-81 LDOS Disk Controller
Downloads
Articles
| Title | Description | Computers |
|---|---|---|
| 2068 Larken Disk Menu Maker | Timex/Sinclair 2068 | |
| 42 Track Converter for the Amdisk III and LKDOS | Timex/Sinclair 2068 | |
| A 2068 Disk Interface Standard | Recommends TS 2068 users consider the Larken Extended Basic cartridge to make non-Larken systems compatible with the Larken as a standard. | Timex/Sinclair 2068 |
| A Break Through DOS for the TS-2068 | MAX DOS: combining Oliger DOS and Larken DOS. | Timex/Sinclair 2068 |
| A Challenge to Programmers | Challenge to create disk utilities for ZX81/TS1000 that exist for TS2068 users. | Timex/Sinclair 1000 |
| A Fist Full of LKDOS Tools | Timex/Sinclair 2068 | |
| A Fist Full of LKDOS Tools | Timex/Sinclair 2068 | |
| A LARKEN Disk Library | Timex/Sinclair 2068 | |
| A Larken TS2068 printer driver for a serial port | Timex/Sinclair 2068 | |
| A letter from Larry Kenny | Timex/Sinclair 2068 | |
| A Library of LarKen Procedures and Functions in HiSoft PASCAL for Sequential File Handling | Timex/Sinclair 2068 | |
| A Menagerie of Opinions and Some Programming Tips | Tips about disks and disk systems; a short program to print labels. | Timex/Sinclair 2068 |
| A Programming Exercise | Timex/Sinclair 2068 | |
| A query from one of our members: TS2068 Larkenized Oliger System | Timex/Sinclair 2068 | |
| A Review of the Larken Disk Drive | Review and comparison vs tape. | Timex/Sinclair 2068 |
| 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 to run that code as a BASIC program. This suite of programs will allow you to create your own simulated cartridges in the RAMDISK memory chips. A program running from DOCK leaves the HOME bank | Timex/Sinclair 2068 |
| A Tape/Disk Save Subroutine | Timex/Sinclair 2068 | |
| A tip about the Larken system and disk drives | Timex/Sinclair 2068 | |
| A TS2068/Larken Program: File Recovery | Timex/Sinclair 2068 | |
| Accessing LKDOS from Machine Code | The DOS is easy to access from machine code using the internal jump table starting at address 120 in the cartridge. The jump table is a list of 20 or so entry points to the most often used sub-routines in the dos. | Timex/Sinclair 2068 |
| Adapting Programs for Disk Drive | Techniques for adapting ZX81/TS1000 programs to work with the Larken disk drive. | Timex/Sinclair 1000 |
| Adding Two More Drives | Add two more drives to a Larken system. | Timex/Sinclair 2068 |
| An Improved Label Maker for Larken System | Timex/Sinclair 2068 | |
| An Improved Label Maker for Larken System | Timex/Sinclair 2068 | |
| An Interbank Database for the TS2068 | Larry Crawford has written a program which makes use of this feature to provide us with a very useful database program. The most significant feature of this database is its size. Its bank-switching capability means that a single database can expand to eight times the usual computer memory. Works with the Larken RAMdisk. | Timex/Sinclair 2068 |
| AOS-LKDOS | Timex/Sinclair 2068 | |
| Autostart Hint for Larken Users | How to create an autostart block/file on a Larken disk system. | Timex/Sinclair 2068 |
| Autostart Hints for Larken Users | How to set up an autostart file for Larken DOS. | Timex/Sinclair 2068 |
| Bill Pedersen's Diskspeed Program | Adjustments to the disk speed program to make it work with Larken drives. | Timex/Sinclair 2068 |
| Bits & Bytes | Timex/Sinclair 2068 | |
| Bits & Bytes | Timex/Sinclair 2068 | |
| Bits & Bytes | Sinclair QL, Timex/Sinclair 2068 | |
| Bits & Bytes | Cambridge Z88, Timex/Sinclair 2068 | |
| Bits & Bytes | Timex/Sinclair 2068 | |
| Bits & Bytes | Timex/Sinclair 2068 | |
| Bits & Bytes | Sinclair QL, Timex/Sinclair 2068 | |
| Bits & Bytes | ||
| Bits & Bytes | Timex/Sinclair 2068 | |
| Bits & Bytes | Timex/Sinclair 2068 | |
| Bits & Bytes | Timex/Sinclair 2068 | |
| Bits & Bytes | Sinclair QL, Timex/Sinclair 2068 | |
| Bits & Bytes | Sinclair QL, Timex/Sinclair 2068 | |
| Bits & Bytes | Timex/Sinclair 2068 | |
| Bits & Bytes | Sinclair QL, Timex/Sinclair 2068 | |
| Bits & Bytes | Cambridge Z88, Timex/Sinclair 2068 | |
| Bits & Bytes | ||
| Bits & Bytes | Timex/Sinclair 2068 | |
| Bits & Bytes | Timex/Sinclair 2068 | |
| Bits & Bytes | Sinclair QL, Timex/Sinclair 2068 | |
| Bits & Pieces | ||
| Bits and Bytes | ||
| Bob Swoger's LogiCall Provides Those Little Extras to Larken Users | Timex/Sinclair 2068 | |
| Bob's Notebook: Bank Switching Notes For A Beginner | Tips for using the Larken RAMDISK. | Timex/Sinclair 2068 |
| Bob's Notebook: Disk Management Utilities | Disk utilities for LKDOS. | Timex/Sinclair 2068 |
| Bob's Notebook: Font Loader | Font loader, a type-in program that loads a font from a Larken disk. | Timex/Sinclair 2068 |
| Bob's Notebook: Larken Extended BASIC example | Demonstration program that includes Larken Extended BASIC examples. Shows syntax and how quickly the extensions worked compared to Sinclair BASIC. | Timex/Sinclair 2068 |
| Bob's Notebook: Larken utilities | Larken utilities. | Timex/Sinclair 2068 |
| Bob's Notebook: Making Graphs with Larken Extended BASIC | Making Graphs with LKDOS V3. | Timex/Sinclair 2068 |
| Bob's Notebook: Near Letter Quality Printing | Routine to print at near letter quality on the Smith-Corona Fastext 80, an 8-pin dot matrix printer. Requires Larken Extended BASIC. | Timex/Sinclair 2068 |
| Bob's Notebook: Odds & Ends | Timex/Sinclair 2068 | |
| Bob's Notebook: Print a Disk Directory | Program to print a Larken disk directory. | Timex/Sinclair 2068 |
| Bob's Notebook: Printer Exerciser | Larken utility. | Timex/Sinclair 2068 |
| Bob's Notebook: Printing and TIMACHINE | TIMACHINE and Larken disk system. | Timex/Sinclair 2068 |
| Bob's Notebook: Programming Tips | How to add your own NMI routine to Larken Extended BASIC, printer control codes for Tasword and MSCRIPT, using ROM calls instead of INKEY$ for debounced results. | Timex/Sinclair 2068 |
| Bob's Notebook: TASWORD Two Patched (Again?) | Patches to Tasword Two. Includes re-activating the 2040 printer, a word count feature and an option for saving for autostart with a Larken disk system. | Timex/Sinclair 2068 |
| Bug Alerts & Updates | Timex/Sinclair 2068 | |
| Cassette to Larken Disk | Converting cassette-based programs to work with the Larken disk system. | Timex/Sinclair 2068 |
| Check Disk Drive Speed | Timex/Sinclair 2068 | |
| Clean Screens Please! | Request for change to how users save programs to prevent cluttering screen with feedback from Larken disk command calls. | Timex/Sinclair 2068 |
| Congratulations to Toronto Timex-Sinclair club | Club continues to support TS 2068 and Larken DOS users. | |
| Converting Tape Programs to Larken Disk Programs | Timex/Sinclair 2068 | |
| Correction: Other Uses for Larken RAMDisk | Timex/Sinclair 2068 | |
| Customized Catalog Command for LKDos | This is an alternative catalog command that can be added to your programs or to use when modifying an existing program for disk. It only prints the selected filenames in a single column without any other info such as disk name of disk parameters. It works very well with windows such as the ones in | Timex/Sinclair 2068 |
| D.O.S. for the 2068 | Timex/Sinclair 2068 | |
| Data Interrupt | Describes variations of Larken hardware and software. | Timex/Sinclair 2068 |
| Datastore() and Datafetch(): Two Larken DOS Procedures for Hisoft Pascal | Transfer any section of RAM to a file on disk. | Timex/Sinclair 2068 |
| DataStore() and DataFetch(): Two LarKen DOS Procedures for HiSoft PASCAL | Timex/Sinclair 2068 | |
| Did You Know ... 2068/Larken Tips | Timex/Sinclair 2068 | |
| Did You Know? | Larken ROM disassembly and cartridge schematic. 0000-05BC section of ROM. | Timex/Sinclair 2068 |
| Did You Know? | Discussion of LKDOS ROM disassembly. | Timex/Sinclair 2068 |
| Did You Know? | Discussion of LKDOS ROM disassembly. 164E-1FFF section of LKDOS ROM. | Timex/Sinclair 2068 |
| Did You Know? 2068/Larken Tips | Timex/Sinclair 2068 | |
| Did You Know... 2068/Larken tips | Timex/Sinclair 2068 | |
| Discan: A Larken Utility for the TS2068 | Timex/Sinclair 2068 | |
| Disjointed Programming Tips | Short descriptions of available DOSes and utilities. | Timex/Sinclair 2068 |
| Disk Doctor | Timex/Sinclair 2068 | |
| Disk Droppings | Describes the Larken Electronics RAMdisk for the TS 2068. | Timex/Sinclair 2068 |
| Disk Droppings | Timex/Sinclair 2068 | |
| Disk Menu Loader | Timex/Sinclair 2068 | |
| Disk System for T/S 2068 For Under $200 | Timex/Sinclair 2068 | |
| Diskdriving with a Joystick | Larken disk interface and Kempston joystick both use port 31. | Timex/Sinclair 2068 |
| Diskette Menu Program for the Timex/Sinclair 2068 (LarKen DOS Version) | Timex/Sinclair 2068 | |
| Drifting Away? | THE PLOTTER was originally produced as a vehicle to dispense news to the membership of CCATS about the meeting time and date as well as to disseminate information about the new and exciting Timex/Sinclair computers. That was over 12 years ago! The purpose of the newsletter has not changed. It is still sent to members | |
| Error in simple Sound Port | Correction to the schematic. | Timex/Sinclair 2068 |
| Excerpts from Bill Harmer Guide to the Larken ZX81/TS1000 Disk System | Hints, notes and techniques for using the Larken disk system for the ZX81/TS1000. | Timex/Sinclair 1000 |
| File Header Reader Larken TS2068 | Timex/Sinclair 2068 | |
| For Your Sinclair | Desktop publishing software from Lemke Software Development and Charles Stelding. Z88, Spectrum +3 announcement. Notes about Second Annual Midwest Timex Sinclair Computer Fest. PC8300, products from John Mathewson, Specterm 64, Larken disk interface, Sharp’s, more. | Cambridge Z88, Timex/Sinclair 2068 |
| For Your Support | Product announcements from G. Russell Electronics, Byte-Back, Variety Sales, Chia-Chi Chao, Larken Electronics, Sams, Fred Nachbaur, Lemke Software Development and E. Arthur Brown. | Sinclair QL, Sinclair ZX81, Timex/Sinclair 1000, Timex/Sinclair 2068 |
| For Your Support | Product announcements from John Oliger Co., NovelSoft, Willcocks Research Consultants, Grey & Clifford Computer Products, Knighted Computers, G. Russell Electronics, Jim Houston Enterprises, Larken Electronics, Chia-Chi Chao, Fred Nachbaur, Robert Fischer, Bill Heberlein, Bill Bell, C. W. Associates. | |
| For Your Support | Product announcements from Chia-Chi Chao, NovelSoft, Willcocks Research Consultants, Grey & Clifford Computer Products, Knighted Computers, Fred Nachbaur/Silicon Mountain Computers, Robert Fischer, Larken Electronics, Bill Bell, Thomas Woods, Jim Houston Enterprises, WIDJUP Co., David Hill. | |
| For Your Support | Product announcements from Fred Nachbaur, John Oliger Co., Grey & Clifford Computer Products, Larken Electronics, Chia-Chi Chao, Robert Fischer, Bill Bell, G. Russell Electronics, EZRA Group II, RMG Enterprises, David Hill, Paul Holmgren, GLENN Technics, John Deering. | |
| For Your Support | AN-TO Productions is marketing QUICKEY 2068 keyboard overlays. Overlays are available for the following programs: AccuDraw T2, Artworx v1.1, Tasword/Tasprint, Mscript (regular and V5) and Omnicalc II. There is also a key finder and a blank overlay for your own programs. Bill Bell announces the availability of an Oliger Video Version of BBDOS for the | Timex/Sinclair 1000, Timex/Sinclair 2068 |
| FREE Blocks | This routine allows you to find the number of free blocks with out displaying the catalog. It will return the number of free blocks in the BC register, so it can be accessed from basic with PRINT USR FREEBL or LET K=USR FREEBL. | Timex/Sinclair 2068 |
| From Internet to LarKen-2068 | Timex/Sinclair 2068 | |
| From Members' Letters | Code to copy memory contents to Larken disk. | Timex/Sinclair 2068 |
| From Members' Letters: Data from AERCO LKDOS System | Timex/Sinclair 2068 | |
| From the Editor's Desk | This month’s newsletter contents includes a nice review of a Jack Dohany series of utilities for working with Larken disk systems. It is nice to know that there is still more information and use being generated for this system so it is far from being dead. | |
| Garbage Gobbler | Timex/Sinclair 2068 | |
| Home-made 2068 LarKen Disk Interface | Instructions for building a Larken 2068 disk interface. | Timex/Sinclair 2068 |
| Hot Rumor: Spectrum/AERCO Disks | Timex/Sinclair 2068 | |
| How to Build a Larken Dock Board | How to make a dock cartridge board. | Timex/Sinclair 2068 |
| Index.B1 TS2068 Larken | Timex/Sinclair 2068 | |
| Input/Output | Letters from David Solly, Bob Swoger, Glen Goodwin, Jack Boatwright, Fred Henn, Don Oviatt, Rod Gowen | Timex/Sinclair 2068 |
| Interbank Database, Part 2: TS-2068 and the Larken RAMdisk | Timex/Sinclair 2068 | |
| Interbank Database: TS-2068 and the Larken RAMdisk | Timex/Sinclair 2068 | |
| JLO with LKDOS Cartridge | Timex/Sinclair 2068 | |
| Label Maker | Directory label maker. | Timex/Sinclair 2068 |
| Label Maker Update | Correction to Label Maker. | Timex/Sinclair 2068 |
| Larken "Maxcomm" BBS Software | Timex/Sinclair 2068 | |
| Larken & Hunter | Add a switch to the Hunter 8K memory board so it will work with the Larken DOS ROM, which occupies 12-16K region. | Timex/Sinclair 1000 |
| Larken 2068 Disk Interface [schematic] | Timex/Sinclair 2068 | |
| Larken and the Large Printer | Timex/Sinclair 2068 | |
| LARKEN Cartridge Disk Operating System | Observations and tips on using the LARKEN Cartridge DOS. | Timex/Sinclair 2068 |
| LARKEN Cartridge DOS | Description and review of the LARKEN Cartridge DOS. | Timex/Sinclair 2068 |
| Larken Cartridge Schematic | Timex/Sinclair 2068 | |
| Larken DDI Report | Timex/Sinclair 1000 | |
| Larken DDI Report/Living With a Larken | Timex/Sinclair 1000 | |
| Larken DDI Report/Living with a Larken | Timex/Sinclair 1000 | |
| Larken DDI Report/Living with a Larken | Timex/Sinclair 1000 | |
| Larken Directory (Track 0) Repair | The track directory for the Larken disk system is located on track 0. This directory stores the data that is required by the system to locate and load the chosen file. On occasion the system is prone to corrupting the directory track, thus effectively causing the loss of all programs on the disk. | Timex/Sinclair 2068 |
| Larken Disk Copier Utility | Program to copy Larken disks using only one drive. Copies limited to programs up to 14 blocks. | Timex/Sinclair 2068 |
| Larken Disk Copy Utility | Program to copy a disk on a Larken system with either one or two disk drives. | Timex/Sinclair 2068 |
| Larken Disk Doctor | This utility will be found useful in the inspection, analysis, and correction of errors on disks used on the Larken disk drive system. This utility is designed for use with the Larken 350K per disk I/F board. | Timex/Sinclair 2068 |
| Larken Disk Drive | One user’s experiences with an early Larken setup. | Timex/Sinclair 2068 |
| Larken Disk Drive Information | Timex/Sinclair 2068 | |
| Larken Disk Drive Operation | How to make a boot tape for a Larken disk system. | Timex/Sinclair 2068 |
| Larken Disk Drive review | Timex/Sinclair 2068 | |
| LarKen Disk Drive: Spectrum Emulator Compatible | Timex/Sinclair 2068 | |
| Larken Disk Drives | Instructions for setting up a Larken disk system, including providing power to the disk drive. | Timex/Sinclair 2068 |
| Larken Disk Drives | Introduction to disk drive systems. | Timex/Sinclair 2068 |
| Larken Disk Editor: Review | Timex/Sinclair 2068 | |
| LarKen Disk Interface Circuit | Timex/Sinclair 2068 | |
| Larken Disk Library | Timex/Sinclair 2068 | |
| Larken Disk Library | Timex/Sinclair 2068 | |
| Larken Disk Library | Timex/Sinclair 2068 | |
| Larken Disk Library | Timex/Sinclair 2068 | |
| Larken Disk Library Notes | Timex/Sinclair 2068 | |
| Larken Disk System | Timex/Sinclair 2068 | |
| Larken Disk System Review, Part 1 | Timex/Sinclair 2068 | |
| LarKen Diskette | Timex/Sinclair 2068 | |
| LarKen DSK 400 Disk Operating System | Review of the disk interface system. | Timex/Sinclair 2068 |
| Larken DSK 400 Review | Review of the third generation disk interface system. | Timex/Sinclair 2068 |
| Larken DSK400 Disk Operating System | Timex/Sinclair 2068 | |
| Larken Electronics | Original designers of ZX81/TS 1000 LDOS and TS 2068 LKDOS turning attention to computer-controlled shaper/router/plotter, driven by IBM PC compatible. Software originally written in Pascal on TS 2068. | Timex/Sinclair 2068 |
| Larken Electronics Launches Maxcomm | Timex/Sinclair 2068 | |
| Larken Electronics' LKDOS | Timex/Sinclair 2068 | |
| Larken Electronics' LKDOS | Timex/Sinclair 2068 | |
| LARKEN EPROM DOS Version 3 | Timex/Sinclair 2068 | |
| Larken Index.B1 A Printer Fix | Timex/Sinclair 2068 | |
| Larken Lines | Questions and answers about LARKEN. Copied from the CCAT/S User Group Newsletter, The Plotter. | Timex/Sinclair 2068 |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Lines | Timex/Sinclair 2068 | |
| Larken Load/Save Routines | Machine code utility for loading and saving tracks on the original Larken system. | Timex/Sinclair 2068 |
| Larken Lock | Add a lock code to Larken disks. | Timex/Sinclair 2068 |
| Larken Maxcom | Timex/Sinclair 2068 | |
| Larken News | Larry branching out to CAD-CAM drilling/routing machines. | Timex/Sinclair 2068 |
| Larken NMI-F Autorestart Menu | Timex/Sinclair 2068 | |
| Larken Notes | Timex/Sinclair 2068 | |
| Larken Ramdisk | Timex/Sinclair 2068 | |
| LARKEN RAMdisk (Bug Alert) | Some LARKEN RAMdisk boards may have a diode reversed. | Timex/Sinclair 2068 |
| Larken RAMdisk at the Space Center | Timex/Sinclair 2068 | |
| Larken RAMdisk for the TS 2068 | I have found that for persons with two drives, the RAMdisk maximizes use of the second drive. And it reduces the number of keystrokes required to operate the Larken system. | Timex/Sinclair 2068 |
| Larken RAMdisk for the TS 2068 | Timex/Sinclair 2068 | |
| Larken Repair Program | Suggestions for improving a disk repair program printed in an earlier issue. | Timex/Sinclair 2068 |
| Larken Screen Dump | Timex/Sinclair 2068 | |
| LARKEN Sequential/Random Files Utility | Timex/Sinclair 2068 | |
| Larken System Disk Drive Menu Loader | Timex/Sinclair 2068 | |
| Larken Tip | Recovering from error with diskettes. | |
| Larken Tip | Recommendation for LKDOS users to subscribe to SINC LINK. | Timex/Sinclair 2068 |
| Larken Tip | Timex/Sinclair 2068 | |
| Larken Tips | Three tips for dealing with quirks in the Larken disk system. | Timex/Sinclair 2068 |
| LARKEN TS1000 Disk Drive Interface | Disk interface with built-in DOS for ZX81/TS 1000 computers. User supplied power supply and compatible disk drive. | Timex/Sinclair 1000 |
| Larken User Notes | Tips for using the Larken disk system. | Timex/Sinclair 2068 |
| Larken Utilities | Lists and describes utilities members of the Toronto Timex Sinclair User’s Club wrote for the Larken disk system. | Timex/Sinclair 2068 |
| Larken ZX-81 Disk Interface | Timex/Sinclair 1000 | |
| Larken: A Tip on Disk Drives | Timex/Sinclair 2068 | |
| Larken: Cracking Spectrum Programs | Timex/Sinclair 2068 | |
| LDOS Version 3 | One can upgrade to version 3 by ordering a new EPROM for LKDOS. It provides a raft of great improvements. | Timex/Sinclair 2068 |
| Letter about Larken LK-DOS | User describes his system. | Timex/Sinclair 2068 |
| Letter from Robert Shade | Timex/Sinclair 2068 | |
| Letter from Steve Gunhouse | Timex/Sinclair 2068 | |
| Listing for Disk Menu Maker | Timex/Sinclair 2068 | |
| LKDOS "Didja Knows" | Timex/Sinclair 2068 | |
| LKDOS Disassembly | 11FF-164C section of LKDOS ROM. | Timex/Sinclair 2068 |
| LKDOS Disassembly | 05BD-0BBF section of LKDOS ROM. | Timex/Sinclair 2068 |
| LKDOS Disk Utility Double to Quad | Timex/Sinclair 2068 | |
| LKDOS Machine Language CALLs Explained | Timex/Sinclair 2068 | |
| LKDOS Off Switch (For MAX DOS Operation) | Add an off switch to resolve conflicts with Oliger NMI functions. | Timex/Sinclair 2068 |
| LKDOS Tools by the Half Dozen | Timex/Sinclair 2068 | |
| LKDOS Version 3 EPROM: Highlights and First Impressions | Timex/Sinclair 2068 | |
| LKDOS vs JLO SAFE | Comparison of the two disk operating systems. | Timex/Sinclair 2068 |
| Locked Out? How to Recover! | How to recover when saving to a non-existent disk with Larken and Oliger systems. | Timex/Sinclair 2068 |
| Locked Out? How to Recover! | Timex/Sinclair 2068 | |
| LogiCall v4.3 | Description and listing of the program. | Timex/Sinclair 2068 |
| Machine Specifics: Orphans | Larken Electronics redesigned disk controller for 2068. | Timex/Sinclair 2068 |
| Make the Tasman 'B' Centronics Printer Interface Work with the Larken DS400 | Changes to make Tasman B and C printer interfaces work better with Larken disk system. | Timex/Sinclair 2068 |
| Make the Tasman 'B' CPI Work With the LarKen DS-400 | Timex/Sinclair 2068 | |
| Make the Tasman 'B' CPI Work With the Larken DS-400 | Timex/Sinclair 2068 | |
| Mass Storage for the TS-1000 Has Arrived! | Overview of load utilities and mass storage systems including ZXLR8 Fasload, Winky Board, A & J Microdrive, and Aerco and Larken disk systems. | Sinclair ZX81, Timex/Sinclair 1000 |
| Mastering "Merge" (LKDOS) | Timex/Sinclair 2068 | |
| MAX DOS: A Study of DUAL DOS in the TS-2068 | For several weeks UPDATE has been testing two simultaneous disk operating systems in the TS-2068: the Oliger SAFE DOS and the Larken DOS. The hardware hook-up is the full “two board” Oliger system and the Larken LKDOS cartridge in the dock port. Extensive operation with the combination has revealed an almost complete compatibility between the | Timex/Sinclair 2068 |
| Maxcom TS2068 BBS system for LKDOS | BBS software available from RMG. Larry Kenny working on desktop publishing system and is PC-based marketing plotter, engraver, router/miller. | Timex/Sinclair 2068 |
| Meet News, club notes | Discusses attempt to duplicate Bill Jones’ Max-Dos. | Timex/Sinclair 2068 |
| Mike's Notebook: LOADER | Program uses the SCREEN$ function to facilitate loading software from a Larken disk system. | Timex/Sinclair 2068 |
| Mike's Notebook: LOADER | Read the output of CAT via SCREEN$ and load programs. | Timex/Sinclair 2068 |
| Modifying ARTIST II for the Larken Disk System | Timex/Sinclair 2068 | |
| Modifying the 2068 Larken Disk Title | Timex/Sinclair 2068 | |
| More INPUT on AUTOSTART and other Larken Thoughts | Timex/Sinclair 2068 | |
| Move Catalog to Upper Ram | Timex/Sinclair 2068 | |
| Mscript Version 5.3 for Larken DOS | Review | Timex/Sinclair 2068 |
| MSDOS to Larken and MSCRIPT | Timex/Sinclair 2068 | |
| MTERM II: Modification for the LARKEN DD System | Modifications to make MTERM work well with the Larken system. | Timex/Sinclair 2068 |
| NEC FD1035 Disk Drive Review | Timex/Sinclair 2068 | |
| New and Upcoming in 1987 | Details about upcoming 2nd Annual Mid-West Timex Sinclair Computerfest; Larken developing RAMdisk for 2068; Thomas B. Woods will be offering RAM board in kit form that operates in the cartridge slot of the 2068. User-expandable from 8K to 120K; TS telecommunications, Sinclair QL; Zebra/Timex Disk support group; new programs and hardware. | Sinclair QL, Timex/Sinclair 2068 |
| New, News, Views and Reviews | ||
| New, News, Views and Reviews | Cambridge Z88, Lambda 8300 | |
| New, News, Views and Reviews | Timex/Sinclair 2068 | |
| News from the Northwest | ||
| News Items | Update! magazine renewal time; Welcome our new treasurer, Abed Kahale; Hard disks for Sinclair?; EPROMS for the TS2068; Dohany EPROMS for Larken. | Timex/Sinclair 2068 |
| News, New Views and Reviews | SNUG is gearing up. CapitalFest coming up. MAXCOM, from Larken, for 2068. Ray Byler provided a TS2068/Spectrum ROM call listing, both alphabetical and by address for each machine. Will be printed in future issue. | Timex/Sinclair 2068 |
| News, New, Views and Reviews | Announcements about newsletters, MAXCOM from Larken. | Timex/Sinclair 2068 |
| News, New, Views and Reviews | Sinclair QL, Timex/Sinclair 2068 | |
| October News Roundup | Timex/Sinclair 1000, Timex/Sinclair 2068 | |
| Oliger proposes Detente with Larken | Bob Swoger’s LogiCall description and discussion of features. Oliger for LKDOS, allowing compatibility of Oliger/LarKen systems. | Timex/Sinclair 2068 |
| 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 into the back expansion slot. Consequently, it is possible to load any of the RAMDISK banks with data for a database or spreadsheet. This means that up to 256K more information can be handled and | Timex/Sinclair 2068 |
| Other Uses for the T/S 2068 Larken RAMdisk | Timex/Sinclair 2068 | |
| Pages missing from Larken ROM Disassembly | Timex/Sinclair 2068 | |
| Partial Review of Maxcom | Timex/Sinclair 2068 | |
| Pascal Disk Handler for the Larken | Converting HiSoft Pascal to work with the Larken disk system. | Timex/Sinclair 2068 |
| Pascal Disk Handler for the LARKEN Disk Operating System | Timex/Sinclair 2068 | |
| Pascal Disk Handler for the Larken Disk Operating System | Access to the Larken disk system from within HiSoft Pascal. | Timex/Sinclair 2068 |
| Power Supply for the LARKEN | Brief discussion of building a linear power supply for the Larken disk drive. | Timex/Sinclair 2068 |
| President's Address | Notes about low attendance at summer meetings; author’s experience setting up a Larken disk system. | |
| Product News | Oliger 2068 floppy disk interface available; Larken drive controller with Spectrum ROM; uncased 2050 modems; Tech Draw Jr, Spectrum Emulator cartridge, Zebra Talker from Zebra; Amdek plotter; Jack Dohany’s shareware announcement. | Timex/Sinclair 1000, Timex/Sinclair 2068 |
| Program Printout: Disc Catalog | Timex/Sinclair 2068 | |
| Programming the TS2068: Opening Larken Files | Timex/Sinclair 2068 | |
| Programming Tips | Timex/Sinclair 2068 | |
| Programming tips... LARKEN System | Timex/Sinclair 2068 | |
| Psi Chess and the Larken | Timex/Sinclair 2068 | |
| Quick Directory Sorter | Timex/Sinclair 2068 | |
| RAMDISK for Phillip | Timex/Sinclair 2068 | |
| RAMDisk to Disk Backup | Timex/Sinclair 2068 | |
| RAMDisk to Disk Backup: A Larken 2068 Utility | Timex/Sinclair 2068 | |
| RAMdisk-RAMdisk-RAH-RAH-RAH | Timex/Sinclair 2068 | |
| Redwood Goodies | Larken DOS programs from Jack Dohany. | Timex/Sinclair 2068 |
| Rename | Utility for Larken DOS to rename a program on disk. | Timex/Sinclair 2068 |
| Repair - A Larken Utility | Corrections to a program used to reconstruct a Larken disk directory. | Timex/Sinclair 2068 |
| REPAIR: A Larken Disk Repair Utility | Tool to reconstruct programs on disks where the directory has become corrupted. | Timex/Sinclair 2068 |
| Resurrecting a Crashed Directory on the ZX81 Larken | Technique for manually recovering a crashed directory. | Sinclair ZX81 |
| Saving SCREEN$ of LARKEN | Short routine to save a SCREEN$ file while avoiding the Larken DOS cursor. | Timex/Sinclair 2068 |
| Scrabble and the LARKEN System | Patch to make the program work with the Larken disk system. | Timex/Sinclair 2068 |
| Service Corner | Timex/Sinclair 2068 | |
| Setting up LKDOS User-Defined Commands | Timex/Sinclair 2068 | |
| Seven-Bit ASCII Text Filter for the TS-2068 with LarKen disk I/O | Timex/Sinclair 2068 | |
| Simple Sound Port | Add a simple sound port to the rear of a Larken disk interface. | Timex/Sinclair 2068 |
| SNODGITS and the Larken System | Timex/Sinclair 2068 | |
| Stepping Rate Fix | Program to adjust stepping rate on LarKen systems; allows for reading/writing disks from other LarKen users. | Timex/Sinclair 2068 |
| Stepping Rate Fix | Program to assist in fixing stepping rates on Larken systems. | Timex/Sinclair 2068 |
| Stepping Rate Fix | Timex/Sinclair 2068 | |
| Stepping Rate Fix | Timex/Sinclair 2068 | |
| Suppliers | Updates on Larken Electronics, RMG, Update Magazine, EMSoft, John McMichael, Byte Power. | |
| System 15000 on the Larken Disk System | Timex/Sinclair 2068 | |
| TASWORD and the Larken Printer Driver | Patch for Tasword. | Timex/Sinclair 2068 |
| Tech Draw and the Larken | Timex/Sinclair 2068 | |
| Technician Ted and the Larken | Timex/Sinclair 2068 | |
| The Amdek Amdisk III and the Larken LKDOS System | Timex/Sinclair 2068 | |
| The Changing Complexion of Timex-Sinclair Computing Seen at the Orlando 1988 Winter Fest | This issue of Up-Date was delayed a week to report upon the Orlando 1988 Winter Fest. Representing the Western USA was Tim and Stephanie Woods (Time Designs Magazine), and the Central USA was represented by the staff of SyncWare News and attendees from the Michigan user group. | Cambridge Z88, Sinclair QL, Timex/Sinclair 2068 |
| The Larken Disk Section | This section in UP-DATE is devoted to providing information about the Larken Disk System(s) in the same manner as we provide the section titled “Computing with SDOS, by John Oliger.” | Timex/Sinclair 2068 |
| The MAX DOS Saga | Some are having problems with conflicts. LKDOS users should use RANDOMIZE USR 100 instead of PRINT #4, which conflicts with Oliger DOS. | Timex/Sinclair 2068 |
| The Programming Corner | Questions about Larken disk system; programming in machine code; recovering from data loss. | Timex/Sinclair 2068 |
| The Tasman 'B' CPI | Make it work with the Larken DS-400. | Timex/Sinclair 2068 |
| The Ultimate Autostart | Autostart menu construction for Larken users. | Timex/Sinclair 2068 |
| The Ultimate AUTOSTART | Timex/Sinclair 2068 | |
| Timex Tidbits | Our Timex brethren in Milwaukee are producing Digitizers for the TS-2068. The cost of a completely assembled and tested unit with postage is $52.95 while the bare board alone costs $22.95! These prices include the software. For more information write to SMUG, Р.O.Вох 101, Butler, Wisconsin 53007. RMG Enterprises have expanded their Timex/Sinclair inventory by | |
| Timex Tidbits | Cambridge Z88, Sinclair QL, Timex/Sinclair 2068 | |
| Timex Tidbits | Cambridge Z88 | |
| Timex Tidbits | Sinclair QL, Timex/Sinclair 2068 | |
| Transferring MSDOS files to the TS2068 | Utility to move MSDOS text files to Larken LKDOS. | Timex/Sinclair 2068 |
| Transferring MSDOS Files to the TS2068 | Techniques and program for loading files from an MS DOS disk using a Larken disk system. | Timex/Sinclair 2068 |
| Trivial Pursuit: Converting to Larken Disk Operation | Timex/Sinclair 2068 | |
| TS 2068 - Copying a Screen$ to the TS-2040 Printer Using the Larken User-defined NMI/F-key Option | Timex/Sinclair 2068 | |
| TS-2068 Activities | There are now three predominent disk systems for the TS-2068. Their order of usage is: LKDOS, Oliger SAFE DOS, TOS, and Aerco FD-68. TOS DISK users hang in there with determination but receive little support. User activities during 1989 has been away from the Aerco FD-68, mostly toward LKDOS. Quite a number of FD-68 users | Timex/Sinclair 2068 |
| TS-2068 VARS Save and Re-Load | Program find and save VARS for Larken DOS or cassette. | Timex/Sinclair 2068 |
| TS2068-Larken NMI-F Key: Another Application | Timex/Sinclair 2068 | |
| TS2068-Larken Tidbit | Timex/Sinclair 2068 | |
| TTSUC LarKen Disk Library | Timex/Sinclair 2068 | |
| Utilities "INIT" and "Cclear Code" | The “INIT” utilities for the three Disk Operating Systems are slightly different. Each listing may be used to pick up another little twist for another DOS. | Timex/Sinclair 2068 |
| Utility to Print Out the Catalog of a Larken Disk | Timex/Sinclair 2068 | |
| Utility to Print Out the Catalog of a Larken Disk | Timex/Sinclair 2068 | |
| Vera Cruz on the Larken Disk System | Port the program to a Larken system. | Timex/Sinclair 2068 |
| ZX Resources | Larken disk system; Eprom Services Programmer, MODified Shapes for T/S. | Timex/Sinclair 1000, Timex/Sinclair 2068 |
| ZX81 Hardware and Software News | Short notes on ZX81/TS1000. This issue includes brief info on Larken, COMPUSA, Aerco and Oliger 1000/2068 disk systems. Also, why Aerco CP/M was never released. Short reviews of Sinc-Artist for the 2068 and ZX HI-Res. And one user, a Kolorworks owner, mentions writing a TMS9918 toolkit for the ZX81. | Sinclair ZX81, Timex/Sinclair 1000 |
| ZX81 Larken I/F Cased | Diagram for building a case to enclose the Larken ZX81 disk interface. | Timex/Sinclair 1000 |
| ZX81 News & Resources | AERCO and Larken disk systems for ZX81/TS 1000 available. Reports on difficulties with Mini XMOD. Silicon Mountain Computer products discussed. | Timex/Sinclair 1000 |
| ZX81 News and Resources | Larken Disk system for TS1000, Mini XMODEM 1.7 for ZX81 and TS 2050, Fred Nachbaur’s JOBASIC. | Sinclair ZX81, Timex/Sinclair 1000 |
| ZX81 Resources | Larken LDOS, Eprom Services Programmer, modified version of program that appeared in Compute. | Sinclair ZX81, Timex/Sinclair 1000 |
| ZX81-LARKEN Tip | Note from a user about fix to disk copy program. | Timex/Sinclair 1000 |
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