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Archive for the ‘vintage’ Category

Inside card sorters: 1920s data processing with punched cards and relays

Monday, May 2nd, 2016

Ken Shirriff did an in-depth write-up of the punched card sorter: Punched card sorters were a key part of data processing from 1890 until the 1970s, used for accounting, inventory, payroll and many other tasks. This article looks inside sorters, showing the fascinating electromechanical and vacuum tube circuits used for...

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Posted in vintage | 1 Comment »

C64/SX64 RAM Cartridge (SD2IEC part)

Wednesday, December 23rd, 2015

Sjaak designed and built a C64 RAM/ROM cartridge, which has a 6264 SRAM chip and an Atmel 644.  He did program an Atmega with a Bus Pirate: Today came in the Atmega644P’s in TQFP package I scored on eBay. Today I’m focusing on the SD2IEC part of the RAM cartridge. I was...

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Posted in Bus Pirate, DirtyPCBs.com, vintage | No Comments »

Video: Retrocomputing and machines that made the Net

Friday, July 4th, 2014

CircleCitycon 2014 was held in Indianapolis, Indiana in June, 2014. Pete Friedman gave this presentation on the Unix and Unix-like systems that formed the early internet, and how they can provide interesting historical and technical perspectives for the modern hacker.

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Posted in Videos, vintage | No Comments »

Arduino + NES controller = USB keyboard

Saturday, March 22nd, 2014

Grouflon has written up a unique project using an Arduino and an NES controller. "This week I worked on little script/manipulation that turns an Arduino and a NES controller into a USB Keyboard. Maybe it can be of use to some of you, so feel free to grab the code...

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Posted in Arduino, code, hacks, USB, vintage | 1 Comment »

Apple II DOS source code available

Wednesday, January 22nd, 2014

Could you write a Disk Operating System in 7 weeks? That was the time frame in which the Apple II DOS was developed! According to the Computer History Museum, "On April 10, 1978 Bob Shepardson and Steve Jobs signed a $13,000 one-page contract for a file manager, a BASIC interface,...

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Posted in code, site, vintage | No Comments »

STM32F429 discovery board running Sega master system emulator

Monday, January 13th, 2014

Fabrice Muller writes informing of this recent efforts using the STM32F429 Discovery Board to run a Sega emulator: Yesterday I made this adaptation from the Alessandro Rocchegiani sega master system emulator. You can seen the original work here. After trying to adapt this emulator to my smt32 VGA output board...

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Posted in dev boards, hacks, Videos, vintage | 4 Comments »

VT100 BeagleBone Mod

Wednesday, October 16th, 2013

Brendan Powers writes, "I've recently finished my DEC VT100 BeagleBone mod project. You can find the details, including schematic and board files here." He's designed an STP add-on board for the VT100 series terminals that allows the use of an internal BeageBone instead of an external serial connected computer. Via...

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Posted in hacks, open source, vintage | 3 Comments »

Arduino retro gamebox

Tuesday, August 13th, 2013

Based on the Arduino Uno R3, five switches, three resistors, and a couple of RCA sockets this vintage video gamebox can run versions of old school favorites including Asteroids, Sudoku, Parachute and Space Invaders. The project was developed by Darren Yates at APCMag, and he estimates its total cost at...

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Posted in Arduino, open source, vintage | No Comments »

Arduino Pong game

Sunday, June 30th, 2013

Pong is the classic video game, essentially the "Hello world" of gaming development. James Bruce has developed a simple implementation of Pong for the Arduino which requires the addition of only an RCA jack, two 10K potentiometers, a pushbutton and a handful of resistors. The video output is made possible...

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Posted in Arduino, code, open source, vintage | No Comments »

SIDCog v1.3 produces C64 sound on Propeller

Friday, June 28th, 2013

Johannes Ahlebrand has released version 1.3 of SIDCog. This Spin language object emulates the famous sound chip in the Commodore 64 running in a single Propeller cog. The developer reports it's much closer to the 8580 than the 6581 when it comes to filter emulation and combined waveforms. Features include...

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Posted in code, Parallax Propeller, vintage | 1 Comment »

Online source lets you send and receive Enigma cipher comms

Saturday, June 15th, 2013

The Enigma machine was a World War II era encryption device used by the German army. It was the subject of substantial efforts by Allied cryptographers which finally resulted in the successful cracking of the code, which led to decryption of German military comms. We found this website which allows...

Posted in encryption, site, vintage | No Comments »

1937 radio hacked into an iPhone dock

Friday, May 24th, 2013

Øyvind Dahl writes, "I just hacked a 75 year old radio into an iPhone dock. I used a simple amplifier circuit, parts from an old speaker, an Arduino, some LEDs and a mini dock plug." You can find more info on the build at Øyvind's Build Electronic Circuits website. Via...

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Posted in Arduino, hacks, vintage | No Comments »

MIDI OUT for vintage Korg CX-3

Friday, April 19th, 2013

Michael from AcidBourbon writes, "This project is about adding a MIDI output to a vintage organ, the Korg CX-3 (famous Hammond compact organ clone). My Korg was built in 1979, so before the introduction of the General Midi standard. But tapping into the right (only three) conducting paths on the...

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Posted in AVR, code, hacks, vintage | No Comments »

Car cassette player converted for MP3 play

Saturday, March 30th, 2013

Ivan Creations wanted to use his old car cassette player (that sounds descent) to somehow play MP3 files. He devised this hack using PIC16F877A to control CECL08D MP3 player and Grundig WKC 1704 RDS Infomat Cassette player with remote control via Blaupunkt RC10 remote. "The MP3 player output signal is...

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Posted in hacks, vintage | 1 Comment »

Homebrew Cray-1A on Xilinx Spartan-3E board

Thursday, March 7th, 2013

Chris Fenton has spent the last year and a half or so constructing his own 1/10-scale, binary-compatible, cycle-accurate Cray-1. He says this project falls purely into the “because I can!” category." The actual design was implemented in a Xilinx Spartan-3E 1600 development board. For vintage computing enthusiasts, Chris also provides...

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Posted in dev boards, FPGA, how-to, vintage | 3 Comments »

Hive retro computer

Sunday, January 20th, 2013

The crew from the German HIVE Project are developing a retro style DIY computer with Parallax Propeller chips. The design includes three Propeller chips (containing a total of 24 RISC processors), VGA graphics, video output, stereo sound, about 1 MB of RAM, SD Card reader, LAN, mouse and keyboard. The...

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Posted in DIY, open source, Parallax Propeller, vintage | 8 Comments »

Retrochallenge 2013WW

Wednesday, January 2nd, 2013

The crew over at Retrochallenge has announced the commencement of their 2013 Winter Warmup contest. The RetroChallenge is a loosely disorganised gathering of RetroComputing enthusiasts who collectively do stuff with old computers for a month. The event is very much open to interpretation… individuals set there own challenges, which can...

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Posted in contest, vintage | 1 Comment »

Open pinball project

Monday, December 31st, 2012

The Open Pinball Project is a cooperative effort to develop open source pinball hardware and software. Their stated goal is to "to build the perfect pinball machine, or at least a pinball machine for a reasonable price!" To date they've worked at restoring a number of old machines, learning valuable...

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Posted in open source, site, vintage | 3 Comments »

Retro tech – magnetic logic

Thursday, December 27th, 2012

[embed]http://www.youtube.com/watch?v=p7SkE5pERtA[/embed] Jeri Ellsworth is facinated by retro computing technology. In her latest endeavor she's researched the principles behind magnetic core logic, a technology used to store data in the pre-transistor days. We'd have appreciated a close up of the device under test as well as the oscilloscope screen, but an...

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Posted in Videos, vintage | 12 Comments »

Free Commodore ezine for retro enthusiasts

Saturday, December 15th, 2012

For all you Commodore retro enthusiasts, there's an online mag for you. Known as CommodoreFree, its a free to download magazine dedicated to Commodore Computers and is available in text, HTML and PDF formats, as well as including Commodore 64 D64 disk images. This ezine covers covering programming, gaming, hardware...

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Posted in documentation, site, vintage | 1 Comment »

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