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Saturday, January 23, 2021
Latest:
  • Experiencing the Altair 8800
  • Gemini 80-Bus Resource
  • Running XBeaver with Docker
  • The TELSTAR Videotex System
  • Removing the Bounce from a Rotary Encoder in C++
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The TELSTAR Videotex System
Communications Latest Telstar Videotex 

The TELSTAR Videotex System

September 30, 2020January 8, 2021 john
Z80 SBC using Tom Szolyga’s SBC-Z80 Board
CP/M Latest Other Workshop 

Z80 SBC using Tom Szolyga’s SBC-Z80 Board

March 11, 2020January 5, 2021 john
The Gemini 80-Bus Saga – Part 2
80-Bus Latest 

The Gemini 80-Bus Saga – Part 2

February 18, 2020January 5, 2021 john
Running XBeaver with Docker
80-Bus Docker Featured 

Running XBeaver with Docker

November 1, 2020January 6, 2021 john
Accessing an Internet BBS over Dial-up (PSTN)
Communications Featured Videotex 

Accessing an Internet BBS over Dial-up (PSTN)

April 30, 2020January 5, 2021 john
A Raspberry Pi based ‘Bramble’ Cluster for Docker Swarm
Cluster Computing Featured Linux Raspbery Pi 

A Raspberry Pi based ‘Bramble’ Cluster for Docker Swarm

December 31, 2019January 5, 2021 john
Gemini System
80-Bus Featured 

The Gemini 80-Bus Saga – Part 1

October 24, 2019January 5, 2021 john

Telstar, Videotex and Communications

The TELSTAR Videotex System
Communications Latest Telstar Videotex 

The TELSTAR Videotex System

September 30, 2020January 8, 2021 john

PLEASE NOTE: Due to an office move PSTN access to Telstar, including the Telstar PAD, is currently suspended. It is expected that the move will be completed by the 22nd January 2021. Please accept my appologies for any dissapointment.

Accessing an Internet BBS over Dial-up (PSTN)
Communications Featured Videotex 

Accessing an Internet BBS over Dial-up (PSTN)

April 30, 2020January 5, 2021 john
Using an Internet Modem For Telstar
Communications Telstar Videotex 

Using an Internet Modem For Telstar

September 30, 2019January 5, 2021 john
Building an Arduino Based TELSTAR Modem
Arduino Communications Telstar Videotex 

Building an Arduino Based TELSTAR Modem

December 10, 2018January 5, 2021 john
TELSTAR Directory
Communications Telstar 

TELSTAR Directory

November 29, 2018January 5, 2021 john

Gemini 80-Bus

Gemini 80-Bus Resource
80-Bus 

Gemini 80-Bus Resource

November 30, 2020January 8, 2021 john

This page is designed to bring all of my Gemini software, firmware and documentation into a single resource. I have also included documents that are related to the Gemini system.

Running XBeaver with Docker
80-Bus Docker Featured 

Running XBeaver with Docker

November 1, 2020January 6, 2021 john
The Gemini 80-Bus Saga – Part 2
80-Bus Latest 

The Gemini 80-Bus Saga – Part 2

February 18, 2020January 5, 2021 john
Gemini System
80-Bus Featured 

The Gemini 80-Bus Saga – Part 1

October 24, 2019January 5, 2021 john

Arduino/Raspberry Pi

Removing the Bounce from a Rotary Encoder in C++
Arduino Raspbery Pi 

Removing the Bounce from a Rotary Encoder in C++

September 30, 2020January 8, 2021 john

This code was developed from an idea by Oleg Mazurov and is presented here as a complete class that can be added as a tab in an Arduino sketch.

A Raspberry Pi based Cluster for use with ipyparallel and MPI
Cluster Computing Linux Raspbery Pi 

A Raspberry Pi based Cluster for use with ipyparallel and MPI

December 31, 2019January 8, 2021 john
A Raspberry Pi based ‘Bramble’ Cluster for Docker Swarm
Cluster Computing Featured Linux Raspbery Pi 

A Raspberry Pi based ‘Bramble’ Cluster for Docker Swarm

December 31, 2019January 5, 2021 john
Installing Arch Linux on a Raspberry Pi 3
Archived Linux Raspbery Pi 

Installing Arch Linux on a Raspberry Pi 3

May 30, 2018January 8, 2021 john

Altair, Apple II, BBC Microcomputer and all things CP/M

Experiencing the Altair 8800
Altair CP/M Other 

Experiencing the Altair 8800

January 8, 2021January 8, 2021 john

For anyone with an interest in early 8 bit computers, even for those of us in the UK, it is impossible not to recognise the importance of the Altair 8800. In this article I attempt to share my experiences with this awesome machine.

Microchess to Project Chess
Altair Apple II CP/M Other 

Microchess to Project Chess

July 30, 2020January 8, 2021 john
Using MAME to Emulate the Apple II+
Apple II Other 

Using MAME to Emulate the Apple II+

March 30, 2020January 5, 2021 john
Z80 SBC using Tom Szolyga’s SBC-Z80 Board
CP/M Latest Other Workshop 

Z80 SBC using Tom Szolyga’s SBC-Z80 Board

March 11, 2020January 5, 2021 john
Programming the Videx Videoterm with Assembly Language
Apple II Other 

Programming the Videx Videoterm with Assembly Language

July 31, 2018January 5, 2021 john
Patching WordStar for use with a VT-100 Terminal
CP/M Other 

Patching WordStar for use with a VT-100 Terminal

July 5, 2018January 8, 2021 john

About

John Newcombe - Software developer with an interest in the development of Genetic Algorithms and Neural Networks. John also has an interest in 8 bit computers and is the developer and maintainer of the Telstar videotex system.

Glass TTY

In the 1970s relatively inexpensive ASCII character mode terminals, e.g., ADM3A, VT100, were available and were sometimes nicknamed "Glass TTYs" ("glass Teletypes") or "Visual Display Units" (VDUs).

Wikipedia, Computer Terminal.

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