BASICare Microsystems, Inc.

5 Dryden Ct., London SE11 4NH United Kingdom

Products

Name Description Computers
BASICare Modular Expansion System This modular system was designed to expand a ZX81, TS 1000 or TS 1500 computer into machine capable of handling advanced applications. The cornerstone is the PERSONA, a module that is the interface between the computer and the other modules. With the PERSONA and other modules, the TS 1000 could be expanded to one megabyte Timex/Sinclair 1000
DROM DROM stands for Development Read Only Memory. This module can have up to 8K of RAM, via plug-on 2K RAM chips. The memory is backed by rechargeable battery for non-volatile storage of programs and data. Behaves as normal read/write RAM when the computer is in use. Individual 2K blocks can be protected against overwriting. DROM Timex/Sinclair 1000
LINK a A module in the BASICare Modular Expansion System. Timex/Sinclair 1000
Minimap Memory mapping device to expand address space from 64K bytes to 1 megabyte. Organized into vertical 64K pages. Up to 16 pages can be supported. All memory can be dynamically defined from within a program, allowing (for example) a program in one segment to manipulate the contents of various data segments. A module in the Timex/Sinclair 1000
PERICONa General purpose, user-programmable 24 lines of input/output. Up to 4 PERICONa can be used together. Up to four can be used simultaneously allowing basic I/O, strobed I/O, and bidirectional 8 bit data transfer with handshakes. A module in the BASICare Modular Expansion System. Timex/Sinclair 1000
PERICONb 24 lines of heavy duty output to access and control the outside world. Lines are capable of operating relays or driving long signal lines. Up to 4 can be used. A module in the BASICare Modular Expansion System. Timex/Sinclair 1000
PERICONc Centronics printer interface. A module in the BASICare Modular Expansion System. Timex/Sinclair 1000
Persona The PERSONA is the base module of the BASICare Modular Expansion System, interfacing to other modules. It buffers all the signals from the expansion port via a ribbon cable. It connects to other modules via a 64-way Organic Bus, configured to fit into the ZX81/TS1000 memory map. Gladstone Electronics planned to introduce a PERSONA module Timex/Sinclair 1000
RAM 08 Low cost memory expandable from 2K to 8K. Located in an address space not used by BASIC. Ideal for data or machine coded routine shared by second program. A module in the BASICare Modular Expansion System. Timex/Sinclair 1000
RAM 16 16K memory module. On-board address decoding permits simultaneous use of many RAM 16 modules in conjunction with Minimap. A module in the BASICare Modular Expansion System. Timex/Sinclair 1000
RAM 64 Arranged in 4 blocks of 16K; all can be used under MINIMAP control. On board address decoding allows simultaneous use of many modules with MINIMAP. A module in the BASICare Modular Expansion System. Timex/Sinclair 1000
SONUS Three-voice, AY-3-8910 sound-chip based module with stereo option. A module in the BASICare Modular Expansion System. Timex/Sinclair 1000
Toolkit Uses up to four 2K EPROMs. Address space after on-board ROM. Allows calling TOOLKIT-held routines with USR function. Several TOOLKIT modules can be used under MINIMAP. A module in the BASICare Modular Expansion System. Timex/Sinclair 1000
Userfont User defined characters for use with DROM or RAM 08. Define a set of 128 characters. Characters can be stored in EPROM by using TOOLKIT. A module in the BASICare Modular Expansion System. Timex/Sinclair 1000

Books

Periodicals

Documents

Title Description Computers
Gladstone's Organic Micro System Information and User Guide Operating manual for the Gladstone’s Organic Micro System Information and by Gladstone Electronics, covering installation, operation, and programming.
How to Grow Up to the Megabyte Micro BASICare brochure introducing “How to Grow Up to the Megabyte Micro” — the Organic Micro Expansion System for the ZX-81 — describing the modular expansion concept that allows the ZX-81 to grow into a megabyte-class system. Timex/Sinclair 1000
Megabyte from My Computer? Promotional brochure for the BASICare Organic Micro Expansion System for the ZX-81, introducing the concept of a modular megabyte expansion system and explaining how it solves the limitations of all-in-one micro designs. Timex/Sinclair 1000
PERICON a Product sheet for the BASICare PERICON-a expansion system for the ZX-81, describing the modular peripheral connection system that forms the basis of the Organic Micro Expansion System. Timex/Sinclair 1000
PERICON-a (model 1) Product sheet for the BASICare PERICON-a (Model 1) expansion connector and buffer for the ZX-81, providing a stable interface for connecting peripherals to the ZX-81 expansion port. Timex/Sinclair 1000
SONUS Product sheet for SONUS, BASICare’s sound and music expansion module for the ZX-81, enabling multi-voice sound output beyond the ZX-81’s built-in beeper. Timex/Sinclair 1000

Downloads

Articles

Title Description Computers
Letters Letters from Ray Norton about BASICare modules. Timex/Sinclair 2068
More Hardware: BASICare Review of BASICare by Microsystem Ltd. Timex/Sinclair 1000
Resources (Sync v2 n6) Listing of new user groups, books and other resources. Timex/Sinclair 1000
Timex at the Heart of the Kidney TS1000 plus peripherals can make life easier and less expensive for artificial kidney patients and US taxpayers. Artificial kidneys used by dialysis patients cost $20-50 each and patients can use each only once. Each kidney patient must dialyze, using a new kidney, three times a week. Medicare, through our tax dollars, bears 80% of this Timex/Sinclair 1000

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