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My little toy operating system from last year runs in 16-bit Real Mode (like DOS). Since I’ve recently figured out how to switch to 64-bit Long Mode right after BIOS boot, I now have a little program that performs this switch on my toy OS. It will load and run any x86-64 program, assuming it’s freestanding, a flat binary, and small enough (< 128 KiB code, only uses the first 2 MiB of memory).

Here I’m running a little C program (compiled using normal GCC, no Watcom trickery):

https://movq.de/v/b27ced6dcb/los86%2D64.mp4

https://movq.de/v/b27ced6dcb/c.png

Next steps could include:

  • Use Rust instead of C for that 64-bit program?
  • Provide interrupt service routines. (At the moment, it just keeps interrupts disabled.)

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2025 end the year rewind:

Compared to only 3 new artworks in 2024 and next to no work, on other projects, this year I not only met the self-imposed goal of monthly pixelart, but exceeded it by 50%, with 18 additions in total.

Relicensed the majority of canine faction owned art and projects, under two less restrictive Creative Commons licensees*. This also applies retroactively, to everyone who used/archived our art and projects, back when the old license didn’t allow it.

Disappointed by the current state of the Internet and continued lack of competition among browsers, completely reworked the main website* and made Smol Drive** (a new image gallery project), both made to be compatible with as many web and Gemini browsers, as possible.

*see https://thecanine.smol.pub
**see https://thecanine.smol.pub/smolbox

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In-reply-to » Wow, @movq, so many tables. No idea what I expected (I'm totally clueless on this low-level stuff), but that was quite an interesting surprise to me. https://www.uninformativ.de/blog/postings/2025-12-21/0/POSTING-en.html

@lyse@lyse.isobeef.org I was surprised by that as well. 😅 I thought these were features that you can use, but no, you must do all this.

By the way, I now fixed the issue that I mentioned at the end and it works on the netbook now. 🥳

https://www.uninformativ.de/blog/postings/2025-12-21/0/netbook.jpg

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I cleaned up all my of AoC (Advent of Code) 2025 solutions, refactored many of the utilities I had to write as reusable libraries, re-tested Day 1 (but nothing else). here it is if you’re curious! This is written in mu, my own language I built as a self-hosted minimal compiler/vm with very few types and builtins.

https://git.mills.io/prologic/aoc2025

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In-reply-to » Come back from my trip, run my AoC 2025 Day 1 solution in my own language (mu) and find it didn't run correctly 🤣 Ooops!

That’s the right answer! You are one gold star closer to decorating the North Pole. [Continue to Part Two]

Whoo! Making progress! With AoC 2025 solutions implemented in my own toy language 🤣

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Come back from my trip, run my AoC 2025 Day 1 solution in my own language (mu) and find it didn’t run correctly 🤣 Ooops!

$ ./bin/mu examples/aoc2025/day1.mu
closure[0x140001544e0]

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In-reply-to » Advent of Code 2025 starts tomorrow. 🥳🎄

Alright, Advent of Code is over:

https://www.uninformativ.de/blog/postings/2025-12-12/0/POSTING-en.html

It’s been quite the time sink, especially with the DOS games on top, but it was fun. 🥳

In case you’re wondering: All puzzles (except for part 2 of day 10) were doable in Python 1 on SuSE Linux 6.4 and ran in a finite time on the Pentium 133. Puzzle 10/2 might have been doable as well if I had better education. 🤣

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In-reply-to » @lyse what’s on the one on the left, back? Looks… enticing! 🤤

@bender@twtxt.net That’s the best one of them. An almonds cake with hazelnut chocolate glaze. The one in front is similar, but with chocolate only. Gingerbread on the right. But it develops the best flavor and consistency only in a few weeks, right now it’s quite hard like a rock, but it will soften up.

All those years I always said that my teammates are THE VERY BEST I ever had. Fuck me, look at that, I didn’t leave the company, just changed projects and this is my farewell present: https://lyse.isobeef.org/tmp/abschiedsgeschenk-2025-12-03.jpg How absolutely beautiful is that, I’m in awe! Now I feel even worse deserting. :‘-(

This emblem is the fleur-de-lis of the world scout movement: https://en.wikipedia.org/wiki/World_Organization_of_the_Scout_Movement#WOSM_emblem I reckon I must have mentioned casually that I’m a scout. ;-)

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Advent of Code 2025 starts tomorrow. 🥳🎄

This year, I’m going to use Python 1 on SuSE Linux 6.4, writing the code on my trusty old Pentium 133 with its 64 MB of RAM. No idea if that old version of Python will be fast enough for later puzzles. We’ll see.

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In-reply-to » Speaking of WAF(s) / Web Applicaiton Firewalls -- I actually had forgotten that not only have I designed a new WAF from scratch, but I've actually implemented it already, and done some local testing. I just haven't put it into production yet... What od you think @aelaraji ? 🤔 https://git.mills.io/prologic/caddy-waf

@prologic@twtxt.net yeah, I’ve had even requested access to it in order to give it a try and report whatever I can but, Sorry I never got to do any of it. 2025 slam dunked a massive pile of 💩 over my life (hence the disappearance, trying to avoid talking about any of it) and I’m just starting to recover (or at least trying to).

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In-reply-to » Hmmm 🧐 I'm annectodaly not convinced so-called "AI"(s) really save time™. -- I have no proof though, I would need to do some concrete studies / numbers... -- But, there is one benefit... It can save you from typing and from worsening RSI / Carpal Tunnel.

@prologic@twtxt.net AI is slot machines for coders:

The same intermittent reward operant conditioning that gets people addicted to gambling and thinking that if they follow certain rituals they’ll win “next time” drives people’s beliefs that AI tools are making them more productive when they’re making them less productive. I’m going to guess that a side effect of this is that people think they’re typing less when in the longer term they’re typing the same amount or more when you factor in the productivity loss (as far as I’ve read the studies don’t measure this so I’m only guessing).

People are also being rapidly de-skilled by this technology: the more they use it, the more their actual skills atrophy. “Continuous exposure to AI might reduce the ADR (adesoma detection rate) of standard non-AI assisted colonoscopy, suggesting a negative effect on endoscopist behaviour.” (science speak for saying that radiologists get worse at seeing tumors in scans once they’ve used AI): https://www.thelancet.com/journals/langas/article/PIIS2468-1253(25)00133-5/abstract

Nobody who cares about the future should be using this stuff for anything.

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