Minivac 601 Simulator
Minivac 601 Simulator: A browser-based simulation of the 1961 relay computer by Claude Shannon. Features a 3-bit binary counter. Users can build circuits and explore original manuals.
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computer
The Rise and Fall of Apple’s Mac Clones Era
Apple briefly allowed Mac clones in the 1990s to respond to a competitive PC market but quickly withdrew due to concerns over brand integrity and sales. The clone era lasted from 1995 to 1997, enabling third parties, like Power Computing, to legally produce Macintosh-compatible computers. However, the effort ultimately failed as these clones undercut Apple’s market, leading to significant financial losses. Upon Steve Jobs’ return, Apple ended the clone program to regain control over its ecosystem, revealing the pitfalls of licensing its operating system to competitors.
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Amiga prototype “Lorraine” at the Amiga 40
The earliest Amiga prototype, known as Lorraine and built from three sizable breadboard stacks, was displayed publicly at the Amiga 40 event in Germany. Maintained by original team member Dale Luck, it was shown in Germany for the first time, with event photos provided and published by Amiga user ‘Pittrock.’
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A Digital Dark Age? The People Rescuing Forgotten Knowledge Trapped on Old Floppy Disks
Cambridge University Library is working to recover valuable historical information trapped on old floppy disks, including items from Stephen Hawking’s archives. The “Future Nostalgia” project addresses challenges posed by legacy data storage, as many disks risk data loss due to degrading materials. Archivists face technical hurdles in accessing and translating content from various disk formats, as finding compatible hardware is increasingly difficult. The project aims to preserve these forgotten documents for future generations and involves public participation, inviting individuals to bring their own floppy disks for exploration.
https://www.bbc.com/future/article/20251009-rescuing-knowledge-trapped-on-old-floppy-disks
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Sphere Computer
TLDR: Sphere Corporation’s Sphere 1 computer, launched in 1975, was an all-in-one microcomputer that prefigured later mass-market models. Research historian Ben Zotto is documenting its history, seeking materials and stories about this obscure device. Explore the virtual museum and emulator on the Sphere website.
Apple II
Mike’s website highlights his enthusiasm for vintage computers, mainly Apple models, as well as a variety of tech hobbies. He restores, builds replicas, and operates classic machines, sharing his experiences and advice with the community. Mike believes these old computers should be kept running, not just preserved, and provides information, kits, and resources for other hobbyists. His site also covers related interests like repair tips, history, and new ongoing projects.
The PC Is Dead: It’s Time to Bring Back Personal Computing
Tech critic Benj Edwards argues that personal computing, once a symbol of individual control and creativity, has been undermined by surveillance capitalism and DRM, leading to a loss of autonomy for users. He emphasizes the need to reclaim digital freedoms by advocating for systemic reforms such as privacy legislation, Right to Repair laws, and the repeal of restrictive DRM practices. Edwards believes that personal computing can flourish again, provided society prioritizes user rights and addresses the current exploitative business models of tech companies. The call to action includes supporting open-source projects and fostering a movement towards Personal Computer 2.0, emphasizing that true digital freedom is essential for maintaining personal liberties in today’s interconnected world.
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Build Your Own Commodore 64 Cartridge
IEEE Spectrum published a guide on building a Commodore 64 cartridge using free software and affordable parts. The author, Stephen Cass, shares his experience creating a demo program for a traveling exhibit featuring the notable 6502 microprocessor from the C64. The process involved programming in 6502 assembly, utilizing modern tools, and assembling a cartridge with basic electronic components. Despite initial technical issues, the final product successfully showcased the capabilities of the C64, highlighting the accessibility of retro programming with current resources.
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When Computer Magazines Were Everywhere
Paul Lefebvre reminisces about his passion for computer magazines from the 80s, owning nearly 700 issues, primarily Atari-related. He fondly recalls reading magazines like ANALOG and Antic, and how they served as a treasure trove of information, akin to the internet today. His collection includes many titles, and he expresses a desire to continue sharing details about them.
https://www.goto10retro.com/p/when-computer-magazines-were-everywhere
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Development of the MOS Technology 6502: a Historical Perspective
TL;DR: The MOS Technology 6502 microprocessor, influential in computing during the late 1970s and 1980s, emerged from a team frustrated with Motorola’s costly 6800. Developed by ex-Motorola engineers at MOS, it featured innovative NMOS technology and shaped various iconic systems like Apple II and Atari. The manufacturing involved complex photolithography, with emphasis on small die size for cost efficiency. Despite challenges, the 6502’s performance and design laid a foundation for modern computing, with notable steps in transistor-level design and circuit simulation integral to its creation.
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