Bank Switching

Articles (70)

TitleAuthor(s)PublicationDate
2068 Bank Switching, Part IVLISTing NewsletterJuly - September 1986
2068 Home ROM Corrections – Part I
Corrections to the ROM, in part to support bank-switched memory.
William J. PedersenUpdate MagazineApril 1991
2068 Home ROM Corrections – Part II
Corrections to the ROM, in part to support bank-switched memory.
Update MagazineJuly 1991
A Cozy Nook for Machine Code in the TS2068
Identifies a 323-byte area starting at address 25365 (in single-display mode) used for bank switching that can safely store machine...
TimelinezOctober 1984
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
Adapting the ZX81 Rampack to the TS2068
Adapt the 1016 ram pack, memory mapped to the DOCK bank.
T-S HorizonsMay/June 1985
AERCO FD-68 Disc Drive System for the 2068 Part 1
Pre-review of the disk drive system. Jurries reviewed unit number 20 from the initial run.
Time Designs MagazineJuly/August 1985
Another Approach to Extra Memory Banks
Back in ’86 I was faced with a problem with memory. I had a program in which I stored and...
Larry CrawfordUpdate MagazineOctober 1989
Bank Switching and Operating System – BSOS
Review of extension to ZX81/TS 1000 that adds bank switching RAM features to the computer.
Time Designs MagazineJuly/August 1985
Bank Switching for the TS 1000, Part 1
A common complaint heard about small computers like the ZX81 or VIC20 is that their memory is too limited and...
T-S HorizonsMarch 1984
Bank Switching for the TS 1000, Part 2
Describes some of the hardware needed for the project.
T-S HorizonsApril/May 1984
Bank Switching for the TS 1000, Part 3
SINCLAIR 16K RAM packs have fallen in price dramatically since they were introduced and at prices between $5 and $15...
T-S HorizonsJune 1984
Bank Switching for the TS 1000, Part 4
After constructing the two 16K banks described last month, and experimenting with them, I felt the need for at least...
Paul HunterT-S HorizonsJuly/August 1984
Bank Switching for the TS 1000, Part 5
To start this month’s instalment, we will clear up the increased RF interference on the display and discuss alternative power...
Paul HunterT-S HorizonsOct/Nov 1984
Bank Switching for the TS 1000, Part 7
Operating system for bank switching and file management system.
T-S HorizonsJanuary 1985
Bank Switching for the TS 1000, Part 8
This is the last instant of this series. Routines to save (and reload) bank data on tape are included in...
T-S HorizonsFebruary/March 1985
Bank Switching for the TS1000, Part 6
Again this month we'll start by reviewing comments and suggestions made by some of you who are building a stacked...
Paul HunterT-S HorizonsDec 1984
Bank Switching the 2068
The 2068 was introduced to us as a memory manager, capable of handling up to 256 banks of 64K memories,...
SyncWare NewsJan-Feb 1985
Bank Switching The Timex/Sinclair 2068 ComputerLISTing NewsletterFebruary 1986
Bank Switching the TS2068 (III)LISTing NewsletterMay 1986
Bank Switching… The Timex/Sinclair 2068 Computer, Part I
The TS 2068 contains a thin black rectangular chip that is the “boss” — the Central Processing Unit (CPU). It...
William J. PedersenT-S HorizonsMay/June 1986
Bank Switching… The Timex/Sinclair 2068 Computer, Part II
Welcome back! The first installment might have given you the idea that machine code was necessary for understanding bank switching....
William J. PedersenT-S HorizonsJuly-August 1986
Bank Switching… The Timex/Sinclair 2068 Computer, Part III and IV
Before discussing the roll of the SCLD in bank switching, it is desirable to summarize the known functions. 1. SCREEN...
William J. PedersenT-S HorizonsDecember 1986
Bankswitched RAM on the TS2068 and SpectrumLISTing NewsletterNovember 1996
Bankswitching on the T/S 2000 Series Computers, Part ILISTing NewsletterJanuary - February 1987
Bankswitching, etc….LISTing NewsletterMarch - April 1987
BASIC Bank Switching
Short recap of ways to add RAM to the TS 2068 and switch it in/out.
SyncWare NewsMar-Apr 1986
Color TS2000, 16K TS1500, Modem This Summer
Timex reports it will begin sales this August of TS2000s with 16K or 48K RAM, color/sound capabilities and bank-switching. The...
SyntaxJune 1983
Comparative ROM Atlas: From ZX Spectrum to 2068
To convert SPECTRUM software to the 2068, you need the location and function of ROM routines in each. You can...
SyntaxOctober 1984
Dock Bank Memory for Twenty Cents: Convert a TS-1000 Ram Memory for the TS-2068
How to convert a 64K RAM pack for the TS1000 to map to dock memory on the TS2068.
Update MagazineJanuary 1988
DOS-64: A Review
Review of MakeDOS-64, a machine code system which allows use of the OS-64 cartridge code on an Aerco Disk Drive...
Update MagazineJuly 1988
EBZUG News
East Bay Z80 User Group news: library donations (SAMS Photofacts, books, Wampus software items, computer books); hardware demonstrations by members...
John EzikeTimelinezSeptember/October 1986
Extra Memory
A TS-2068 that has twenty times the maximum capacity of a IBM XT! Do pictures and proof schematics lie? An...
Update MagazineJuly 1988
Extra Memory
Discussion about using extra RAM in HOME and DOCK banks; errors in the EXROM that affect extended memory usage.
Update MagazineOctober 1988
Extra Memory Programming
Most of us can visualize the computer's "regular" memory. We know that the ROM part of memory has "fixed" machine...
Bill JonesUpdate MagazineJanuary 1988
Forum
Economists are always being quoted as saying that the best time to buy anything is last year. This year, they...
SyncWare NewsMarch/April 1988
Improved TS2068 Internal ROM Bypass
Detailed hardware design for replacing the TS2068’s HOME ROM and EXROM without opening the computer case, using the cartridge slot...
William J. PedersenTimelinezJuly-December 1989
Letter from William PedersenLISTing NewsletterDecember 1988
Letter re Bank SwitchingISTUG NewsletterFebruary 1989
Letters
Letters from Ray Norton about BASICare modules.
Update MagazineJuly 1988
Memory Improves With Age?
Crazy? Perhaps so, but survival of our favorite antique TS2068 computer depends on it to a degree. Two advances are...
William J. PedersenISTUG NewsletterMarch - April 1989
More About … the Mystery of the Missing 253
Welcome back to another episode, as we try to unravel a few more clues about the Extended Bank Switching for...
Wes BrzozowskiTime Designs MagazineSeptember/October 1986
More Bank Switching? Egad Sir!LISTing NewsletterMay - June 1987
New and Upcoming in 1987
INTRODUCTION: You’ve seen those glaring tabloids on the news rack at your local grocery store…you know, the ones boasting new...
Time Designs MagazineJanuary/February 1987
NVM and the 2068
Often while folks gather and talk about their computers I hear something like this, “Why don’t you try this” and...
SyncWare News
Organization of Memory
The Z88 is based on a Z80 central processor running at 3.2876 MHz. The Z80 has a 16-bit address bus...
Update MagazineJuly 1989
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...
Larry CrawfordUpdate MagazineApril 1990
Practical 2068 Bank-Switching
Although some bank-switching applications might encompass seemingly insurmountable programming obstacles…there are many others that can be accomplished with ease! I’d...
Stan LemkeTime Designs MagazineJuly/August 1988
Put Those Extra Banks To Work
Several recent developments in the Timex 2068 hardware have made our computers much more flexible and powerful. Extra memory banks...
SyncWare NewsJul-Aug 1986
Revising a Hunter Board to Hold 32K Bank Switchable NVRAM
With HM6264LP-I5 28 pin RAMS at less than $4 each, l have devised a not-too-difficult revision to a Hunter board...
T-S HorizonsMay/June 1986
ROM Bypass Circuit Description
Board to bypass 0-16K of the HOME bank and 0-8K of the EXROM bank.
Update MagazineOctober 1992
Run Your Memotech 64K on the 2068
Advice on adding 64K RAM units to your 2068 system in a manner which would not require additions or modifications...
SyncWare NewsJan-Feb 1987
Some Notes on the Bank Switching Series
Correction to a listing in issue 11. Another bug has surfaced in the listing provided in Issue 11.
T-S HorizonsNovember 1984
SyncBits: Bay Area TS/Spectrum/QL Hardware and Software News
News column covering the still-unsettled Spectrum ROM/emulator situation on TS2068; English Micro Connection as UK hardware agent (TC2068 $159.95, disc...
Ian F. RobertsonTimelinezJune 1985
T-S News
Zebra Systems announced that the price of the Zebra-Talker has been reduced and the software is compatible with their disk...
T-S HorizonsApril 1986
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...
Update MagazineApril 1988
The Extra Memory Section
We can use the DOCK BANK for programs and the HOME BANK for DATA. We can put a 64K program...
Update MagazineJanuary 1988
The Lonesome Dock
To date little information has been published about how dock cartridge programs, home bank memory and disk drives can be...
Update MagazineOctober 1987
The Mystery of the Missing 253
When Timex released its Technical Manual for the TS2068, we learned how to add memory to and switch between its...
Wes BrzozowskiTime Designs MagazineJuly/August 1986
The Mystery of the Missing 253, Part Four
We stopped last time in mid-description. It seems our Good Editor has such a wealth of excellent contributions last issue...
Wes BrzozowskiTime Designs MagazineJanuary/February 1987
The Mystery of the Missing 253, Part Three
The heading really says it all. I’ve been quite pleased and encouraged by your response to Part 1. This is...
Wes BrzozowskiTime Designs MagazineNovember/December 1986
The Mystery of the Missing 253: Conclusion
It’s been wonderful to see how much interest there still is toward TS2068 bank switching. Now it’s time to tie...
Wes BrzozowskiTime Designs MagazineMarch/April 1987
The TIMEXsinclair 2068: Bank Switching and Memory Expansion
A landmark technical article proposing interim standards for expanding the TS2068 beyond its standard memory limits. Introduces a Bank Switching...
William J. PedersenTimelinezMay/June 1989
The TS2192 Computer
The greatest part of this announcement is that if you own a 2068, then you don't have to buy another...
SyncWare NewsJan-Feb 1985
TS 2068 Standard Memory Configuration
Memory map diagrams from the technical manual.
Update MagazineOctober 1987
TS-2068 Cottage Software Support
Fairware (Jack Dohany), Chia-Chi Chao, RMG Enterprises, S&K Enterprises, Lemke Software, Byte Power, Grey & Clifford, Bill Pedersen.
Update MagazineApril 1988
TS-2068 Extra Memory Recap
In January 1988, UPDATE began a series about extra memory. The first objective was to explore the ways and means...
Update MagazineOctober 1988
TS-2068 with Unlimited RAM capability
Schematics and machine code to expand the 2068 RAM with port buffer, clock/calendar, 56K or 64K, expansion bank controller and...
Update MagazineJuly 1988
TS2068 Specifications
Preliminary specifications on the computer.
SyntaxAugust 1983
When They Built the Timex 2068 Computer They Threw Away the Mold!
Schematic diagram of the Z80, SCLD and memory along with call to correct the problems with the computer.
Update MagazineOctober 1991

Documents (1)

TitleAuthorPublisherDatePages
32/64K Non Volatile RAM board for the T/S 2068 Computer
1986 user manual by Thomas B. Woods for his 32K and 64K non-volatile RAM cartridge for the TS 2068, describing...
Thomas B. WoodsThomas B. Woods198616