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Inside the Intel 8087 chip: floating-point addition and subtraction

In 1980, Intel introduced the 8087, a chip that made floating-point operations much faster in the IBM PC and other systems. Although the 8087 supports advanced operations such as tangents, square roots, and logarithms, this article focuses on basic arithmetic operations: addition...

Una Watch TOTP - MFA on your wrist!

Let's get this out of the way first - this is a terrible idea! I want my two-factor authentication codes to be easily accessible to me, so I've built a watch app which will display them. That's really convenient for me - but makes for a terrible security posture. Anyone who stea...

How many VICmodems Commodore sold

When researching the 1600 VICmodem, I found an assertion that the 1600 was the first modem to sell a million units. And I’ve repeated that claim myself at least once. But I never felt quite right about that. I am

Notes on the complex roots of unity

One of the most wonderful aspects of math is how deep we can get by studying seemingly trivial questions. Consider the roots of unity, where "unity" simply means the number 1.

Servers have widely varying requirements for their environment

One of the things that I usually don't have much reason to think about is how servers can have varying requirements for the environment you put them in. Once upon a time this would have been quite relevant at work, because back in the days servers (then often called 'minicomputer...

Whatever You Say Bounces Off Me and Sticks to You

Stephen Nellis and Deepa Seetharaman, reporting Wednesday for Reuters:

How the AI boom might really end: 5 scenarios

With the Anthropic IPO gathering pace - and chip stocks just posting their longest losing streak since 2008 amid worries about AI debt, I thought it'd be worth writing up some of my thoughts I've put together while thinking through what may happen. By no means is this meant to be...

Writing is no longer proof of work

Tech companies structurally depend on writing to serve as evidence, in the same way that Bitcoin depends on proof-of-work hashing. However, in the last few years, LLMs have started to undermine this practice.

Die Blockflöten sind wieder da

„Meine Meinung ändert sich natürlich nicht. Aber ich bin überzeugter Demokrat, und als Demokrat weiß man, dass man Kompromisse eingehen muss.“ So erklärt Berlins SPD-Chef Steffen Krach, warum er für eine Regierungsbeteiligung Enteignungen mitträgt, die er bisher abgelehnt hat. Eh...

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The tyranny of the op-ed

If you follow me on social media, you probably know that I occasionally vent about the comically lopsided incentives for authors who publish content on the internet. I try to keep these rants off the blog, apart from a short piece back in 2024 — but it’s been bugging me long enou...

Making a Better Simulated Evolution Port for the Apple IIgs

Last week’s work was really about the new Apple IIgs target for vbcc and less about the particular things I was building with it. That said, it did result in a functioning Simulated Evolution port for the IIgs.

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Gratismut am Apothekentresen

Zu Risiken und Nebenwirkungen lesen Sie die Packungsbeilage und fragen Sie Ihren Arzt oder Apotheker. In Bielefeld gibt es seit dieser Woche einen Nachsatz: Wer AfD wählt, fragt bitte woanders.

★ HomeView Thoughts and Observations

I’ll start with a nomenclatural sidenote: Apple seems to be going with “Apple HomeView” as the product’s name. E.g., the URL slug for it on Apple.com is apple-homeview/, not just homeview/. Few people notice and no one who doesn’t work in Apple product marketing cares, but they a...

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