Orwell graphics.
With Orwell updated and the new video working I started looking at adding graphics commands. I started with plot, easy enough, to draw a pixel at a given location on screen. Since it is hard to add new...
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Review – Usborne Computer Spacegames.
Right, finally another review. This time it’s the partner book to Computer Battlegames. But now we’re IN SPAAAACCCCE! Title: Computer Spacegames Subtitle: For ZX Spectrum, ZX81, BBC, TRS-80, Apple, VIC...
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Orwell IO daughter board.
Recently I was in the UK for Christmas and New Years. One of the trips I did was to Bletchley Park which is where the codebreakers in WW2 cracked the Enigma code. Bletchley has a working version of...
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Orwell joystick.
As well as the railway table I also finished Orwell’s joystick. Actually I made several since the first one I muffed up a bit. The DA15s I ordered arrived a few days apart so during the week I wired up...
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A three rotor Enigma machine wrist watch.
This is one of the most satisfying projects I have done I think. Mainly because this is a real device and something so historically important. It is a fully functioning Enigma machine you can wear on...
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Orwell computer case.
Since no one reads this stuff here is a film Over the last month or so I finally got around to making a housing for my Orwell computer. After a little distraction trying to get a SID chip working...
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Turing Welchman Bombe BASIC code.
This is a follow on from my software Bombe post here: http://www.asciimation.co.nz/bb/2015/06/14/a-turingwelchman-bombe The code is written to run on my home made Orwell 6502 computer. Orwell runs a...
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A Turing/Welchman Bombe.
This is the next step after my Enigma machine wristwatch project and putting my Orwell computer into a case. The next step was to investigate and hopefully simulate the Turing/Welchman Bombe. The Bombe...
View ArticleTuring-Welchman Bombe update.
A quick update on my Bombe project. I am too lazy to write it all up in detail so here is a film! I had sent links to the previous update to the various geek sites but no one was interested I guess....
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Turing-Welchman Bombe completed.
Well, it’s finally complete! Probably what most people want to see is the Bombe in action so here we go. For those who haven’t been following the whole project basically I reverse engineered then build...
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