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History & Retro Computing

The most popular blog posts about history & retro computing on Hacker News. 287 posts.

2025
184

The Lost Japanese ROM of the Macintosh Plus

If you look for information about the Macintosh Plus and its ROM, you’ll usually find that the ROM has a capacity of 128 KB and that it exists in three revisions . But that’s incorrect: there’s a fourth ROM, 256 KB in size, which includes fonts for kanji (Japanese characters). And I found (and preserved) this ROM. I’m…

192

Racintosh Plus – Rackmount Mac Plus

I own a Macintosh Plus from 1986, I found it in the mid 2000's on my college campus on a free-to-a-good-home shelf (Mad Marc's shelf in the chemistry building) in great shape and with its mouse, keyboard, and an HD-20 external hard disk drive. That silly computer has been on the journey with me ever since, leaving…

197

50 years of proof assistants

Crackpots ranging from billionaire Peter Thiel to random YouTube influencers claim that science has been stagnating for the past 50 years. They admit that computing is an exception: they don’t pretend that my personal 32GB laptop is not an advance over the 16MB mainframe that served the whole Caltech community when I…

199

The Icelandic Voting System (2024)

It’s election season here in Iceland! The election is on Saturday, 30th of November, so next Saturday from when this is written. Every time elections are upcoming, somebody inevitably asks me how the voting system here works, probably expecting a simple answer. So, here’s a stab at it. Iceland uses a biproportional…

202

Reverse Engineering All the Raspberry Pis

Earlier this month I covered Jonathan Clark's effort to reverse-engineer the Pi Zero 2 W, and just yesterday, I discovered TubeTime reverse-engineered the Compute Module 5. i reverse-engineered the Raspberry Pi Compute Module 5! check it out at github.com/schlae/cm5-r... [image or embed] — Tube Time…

209

The Humble Programmer (1972)

As a result of a long sequence of coincidences I entered the programming profession officially on the first spring morning of 1952 and as far as I have been able to trace, I was the first Dutchman to do so in my country. In retrospect the most amazing thing was the slowness with which, at least in my part of the…