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8080 Computer playing Portal Still Alive
Posted by: 256byteram
Video duration: 176 seconds
Bah. I liked the terminal theme from Portal so I made it real!
Everything on the terminals and sound is controlled by an Intel 8080 Microprocessor at 2MHz. The sound chip is a MOS SID (From a Commodore 64).
The assembler source code is at http://kaput.retroar chive.org/downloads< br />
More details for the computer system itself can be found at http://kaput.retroar chive.org/
Related: 8080, alive, coulton, intel, jonathan, portal, song, still
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![YM2151 - Beethoven\](http://img.youtube.com/vi/qtGIF5vdcEg/2.jpg "YM2151 - Beethoven\") |
YM2151 - Beethoven's 7th Symphony
Posted by: 256byteram
Video duration: 465 seconds
A Yamaha YM2151 FM Synthesiser IC playing the Second Movement of Beethoven's 7th Symphony.
The CPU of the synth is a MOS 6510 CPU from a Commodore 64. The music was played over a MIDI interface.
If you notice any synchronisation glitches with the different instruments it's because they weren't recorded at the same time, but separately and mixed later.
Related: beethoven, digital, fm, synthesizer, yamaha, ym2151
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Analogue Pong - Finished Game
Posted by: 256byteram
Video duration: 60 seconds
So it's finished. Getting actual game play was the most difficult part so it took me a few days. The circuit diagrams should be about any week now.
Update: circuit diagrams at http://kaput.retroar chive.org/pong.html
Related: analog, analogue, pong
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Bush Simpson 21BC92 Television
Posted by: 256byteram
Video duration: 146 seconds
I've had this old television for a while now. It mostly works, but not completely. The deflection is weak, brightness isn't very strong and the sound isn't very loud. The power supply appears to be good (no smoke, heat) so I'm guessing there's a stage that's drawing too much power.
It looks like YouTube has *really* degraded the quality of the video and audio too...
Related: bush, simpson, television, vintage
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Analogue Video Effects (silent)
Posted by: 256byteram
Video duration: 50 seconds
This is the output of a circuit I put together today because I was bored. It uses a comparator to send the video output either high or low, with the chopped point adjustable with a potentiometer. The sync signal and colour subcarrier are then recombined. The sync pulses need to remain untouched to keep the video stable, and the colour makes it easier to distinguish between objects.
Related: analog, analogue, effect, synthesis, video
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Electronic Lava Lamp
Posted by: 256byteram
Video duration: 166 seconds
Same sliced effect as before, but the camera is zoomed out as far as the table will reach so the blobs linger on the screen longer. The effect is like a video lava lamp.
I wrote the music myself. It is played in Rosegarden and the synthesiser is ZynAddSubFx.
Related: analog, analogue, feedback, video
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Analogue Pong - Paddles
Posted by: 256byteram
Video duration: 38 seconds
So I've decided to make a game of Pong using only analogue electronics. Here's the first stage, the paddles.
Circuit diagrams might be around eventually.
Update: circuit diagrams at http://kaput.retroar chive.org/pong.html
Related: analog, analogue, pong
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