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Monday, March 8, 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++
GlassTTY

GlassTTY

Author: john

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.

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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.

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80-Bus Docker Featured 

Running XBeaver with Docker

November 1, 2020January 6, 2021 john

XBeaver can be downloaded and compiled with make on linux. However, with my linux of choice being Arch Linux and my laptop

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Communications Latest Telstar Videotex 

The TELSTAR Videotex System

September 30, 2020January 27, 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.

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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.

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Altair Apple II CP/M Other 

Microchess to Project Chess

July 30, 2020January 8, 2021 john

Microchess is probably, albeit indirectly, responsible for the success of Apple, the success Microsoft and the success of the IBM

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Communications Featured Videotex 

Accessing an Internet BBS over Dial-up (PSTN)

April 30, 2020January 5, 2021 john

As part of The TELSTAR Videotex System a PSTN (dial-up) modem server was constructed using SIP telephone lines and US Robotics modems

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Apple II Other 

Using MAME to Emulate the Apple II+

March 30, 2020January 5, 2021 john

Introduction The article 6502 Cross Assembly for the Apple II using MacOS, describes, as the titles suggests, how to use a

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CP/M Latest Other Workshop 

Z80 SBC using Tom Szolyga’s SBC-Z80 Board

March 11, 2020January 5, 2021 john

Introduction This article forms a short review of the ‘homebrew’ Grant Searle designed Z80 CP/M machine, built using Tom Szolyga’s Z80SBC printed

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80-Bus Latest 

The Gemini 80-Bus Saga – Part 2

February 18, 2020January 5, 2021 john

HELP NEEDED!….. I am desperately seeking to archive Gemini 80-Bus software before it is lost forever. I am particularly interested

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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, character mode terminals e.g., ADM3A, VT100 etc. were considered preferable to the large cumbersome teleprinters. These new all electronic devices with their glass screens were often referred to as "Glass TTYs".

Wikipedia, Computer Terminal.

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