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A clone of the Burke & Burke coco-xt hard drive controller for the TRS-80...
Introduction The Burke & Burke CoCo XT was a hard drive solution for the TRS-80 Color Computer. In an age where most people were content to have one or two floppy drives instead of a miserable...
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HDMI on the TRS-80 Color Computer 2
In this blog post, I build an HDMI adapter for my TRS-80 Color Computer 2 Video of Coco-HDMI Background About five years ago I bought a new-in-box CoCo 2 from eBay and made a few improvements. One of...
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Online RC2014 Emulator!
Try My RC2014 Emulator Online, Right in Your Browser In this post, I put an RC2014 Z80 computer up on the web so that anyone can tryit out, right from their browser, with nothing to install. If you’ve...
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Teleram 4000 / T-4000 Vintage Computer with Magnetic Bubble Memory
In this blog post, I restore a Teleram 4000, a portable vintage computer from 1983 that ran CP/M and used Magnetic Bubble Memory. Teleram 4000 Video – Teardown, Power-Up, Speech Synthethis, Bubble...
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Speech Plus Prose 2000 Speech Synthesizer — original model used by Stephen...
In this video, I get a Speech Plus Prose 2000 Speech Synthesizer up and running. Background As anyone who visits this website is well aware, I collect, restore, and design vintage speech synthesizers....
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Restoring a GRiD Compass and Building the World’s First GPIB Speech Synthesizer
In this post, I restore a GRiD Compass computer, and I build a speech synthesizer for it. Background The GRiD Compass has been on my most-wanted list for a while because it is an early computer that...
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NostOS: The Nostalgia Operating System, for RC2014
In this blog post, I design and implement a brand new operating system for old computers. Why implement a new operating system? Let’s face it, there’s already RomWBW and Fuzix for the RC2014, and if...
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Sharp PC-5000, Vintage Laptop with Bubble Memory Cartridge System
In this blog post, I restore a vintage Sharp PC-5000 Background As people may have noticed from my other blog posts, I’m a collector of bubble memory and computers that use bubble memory. The Sharp...
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Monitor Cataract Repair on my Burroughs B21 Vintage Computer CRT
This is a continuation of my post series on the Burroughs B21, a rebranded version of the Convergent Technologies AWS. If you’re interested in the B21 / AWS, then please start with my first post in...
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Burroughs B21 / Convergent AWS Vintage Computer Restoration
In this post, I restore a Burroughs B21 Vintage Computer Background The Burroughs B21 was one of the computers that I used as a teenager. It was a long, long time ago. My Dad had brought the machine...
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Scott’s 4-bit single board computer using the Intel 4004 or Intel 4040
In this post, I build a single-board computer that uses the world’s first commercially available CPU, the Intel 4004. Background I’ve previously done projects using the 8008, the world’s first...
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Magnetic Bubble Memory Mega-Post
I’ve been doing projects based on Magnetic Bubble Memory for the last few years and I’ve created this post to aggregate information and pointers to one place. I got started on this adventure after...
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Restoring a vintage Intel Prompt 80 8080 microcomputer trainer / development...
In this blog post, I bought a Prompt 80, without CPU board, from eBay and I get it up and running. Then I put the Forth programming language in ROM and add a speech synthesizer. What was the Prompt 80...
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Setting up an iRMX86 operating system on a multibus 86/30 vintage computer
In this post, I take my System 310 development computer, install an 86/30 CPU board, and install the iRMX86 operating system on it. Background I bought a System 310 Microcomputer from a friendly...
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Restoring a Teleram Portabubble/81 vintage bubble memory computer
In this video, I teardown and restore a Teleram Portabubble: Introduction I spotted this computer on eBay and managed to get lucky enough to win it with no opposing bidders! Magnetic bubble memory has...
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Vintage Industrial Multibus Computer Becomes a Nixie Tube Clock
In this post, I turn the Multibus computer into a Nixie Tube Clock Background I like Nixie Tubes, and I’ve made a fair number of projects — my Nixie Tube Calculator, a Nixie Tube Clock RC2014, even a...
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Designing a TMS5220 Speech Synthesizer Multimodule
In this post, I design my first TMS5220 speech synthesizer module. Purpose The TMS5220 is one of those chips that has interested me, but I’ve never had a chance to design my own circuit based on one....
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Multibus and the MDS-80 Series II with Homebuilt IO Controller using...
In this video, I turn an 80/24A multibus single board computer into a Series II development system running the ISIS-II operating system Why? I’ve had a fascination with ISIS-II and Multibus ever since...
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Ciro Mazzoni Baby Loop Ham Radio Antenna, an in-depth review
Did you know I’m also a Ham radio operator? I guess guys who like Vintage Computers also like Ham Radios. In this post I’m going to talk about a new Magnetic Loop antenna made by Ciro Mazzoni,...
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Can an AI program your Vintage Computer for you?
I’ve been working on a new project for a TM990 computer, and I built an AY-3-8910 sound generator board for it. My TM990 has a fig-forth that will run on it, so I figured I would write a music player...
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