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A whole boss fight in 256 bytes

https://hellmood.111mb.de//A_whole_boss_fight_in_256_bytes.html
38•HellMood•2d ago

Comments

HellMood•2d ago
Technical write up for "Endbot" 256 bytes MSDOS program with plot, sync, sound, and payoff. Released April 4th at Revision Demoparty 2026.
ale42•1h ago
Didn't run it (yet) but it looks nice. Great that some people are still able to optimize code! I'm wondering if this would run on actual hardware (VGA + a sound card supporting MPU401 emulation)
lucb1e•1h ago
That domain is such a blast from the past for me. I spent so many hours working on projects with free webhosting as a teen!

dang/HN: this domain should probably be added to the list where the subdomain is shown next to the title, since subdomains are users' webspaces. (Might be a good candidate for the public suffix list: "[DNS labels] under which Internet users can (or historically could) directly register names".)

flopsamjetsam•1h ago
I clicked on this fearing it was a "256 bytes of JS" (plus X GB of browser), and was pleasantly surprised it was actually 256 bytes.
rustystump•1h ago
Why is that bad? If the bytes could easily run within the same constraint in another env/language why the hate?

I am with u on the excessive ram of browsers. It is insane. Still, it is one of the most portal and easy ways to share something. Heck, u can run a dos emulator in your browser.

senfiaj•54m ago
Probably because JS has larger runtime, in JS you don't have to write about most of the low level code. So it's easier to squeeze code in JS than in ASM or machine code.
layer8•38m ago
This is probably in reference to things like Dwitter.net (https://news.ycombinator.com/item?id=46557489), where the browser (plus the Dwittet-specific runtime harness) contributes significantly higher-level functions than traditional demoscene targets like DOS PCs.

It’s just a different thing. I see no “hate”, only an expression of preference for “bare-metal” demos.

Project Glasswing: Securing critical software for the AI era

https://www.anthropic.com/glasswing
769•Ryan5453•5h ago•328 comments

Lunar Flyby

https://www.nasa.gov/gallery/lunar-flyby/
195•kipi•8h ago•43 comments

System Card: Claude Mythos Preview [pdf]

https://www-cdn.anthropic.com/53566bf5440a10affd749724787c8913a2ae0841.pdf
477•be7a•5h ago•342 comments

S3 Files

https://www.allthingsdistributed.com/2026/04/s3-files-and-the-changing-face-of-s3.html
155•werner•3h ago•42 comments

GLM-5.1: Towards Long-Horizon Tasks

https://z.ai/blog/glm-5.1
377•zixuanlimit•6h ago•107 comments

How to get better at guitar

https://www.jakeworth.com/posts/how-to-get-better-at-guitar/
135•jwworth•2d ago•57 comments

Cambodia unveils a statue of famous landmine-sniffing rat Magawa

https://www.bbc.com/news/articles/c0rx7xzd10xo
249•speckx•6h ago•55 comments

A truck driver spent 20 years making a scale model of every building in NYC

https://www.smithsonianmag.com/smart-news/a-truck-drive-spent-20-years-making-this-astonishing-sc...
219•1659447091•1d ago•36 comments

USD Purchasing Power in Real Time Since 2000

https://onedollar.today/
30•traviswingo•2h ago•25 comments

Show HN: Gemma 4 Multimodal Fine-Tuner for Apple Silicon

https://github.com/mattmireles/gemma-tuner-multimodal
100•MediaSquirrel•3h ago•9 comments

Show HN: An interactive map of Tolkien's Middle-earth

https://middle-earth-interactive-map.web.app/
41•frasermarlow•2h ago•5 comments

Show HN: Brutalist Concrete Laptop Stand (2024)

https://sam-burns.com/posts/concrete-laptop-stand/
678•sam-bee•12h ago•213 comments

A whole boss fight in 256 bytes

https://hellmood.111mb.de//A_whole_boss_fight_in_256_bytes.html
38•HellMood•2d ago•7 comments

Cloudflare targets 2029 for full post-quantum security

https://blog.cloudflare.com/post-quantum-roadmap/
255•ilreb•9h ago•83 comments

Rescuing old printers with an in-browser Linux VM bridged to WebUSB over USB/IP

https://printervention.app/details
132•gmac•6h ago•50 comments

Move Detroit

https://www.movedetroit.com/program
29•rmason•2h ago•34 comments

The Image Boards of Hayao Miyazaki

https://animationobsessive.substack.com/p/the-image-boards-of-hayao-miyazaki
76•vinhnx•1d ago•9 comments

Bitcoin and quantum computing

https://nehanarula.org/2026/04/03/bitcoin-and-quantum-computing.html
59•nehan•2h ago•45 comments

A blind man made it possible for others with low vision to build Lego sets

https://apnews.com/article/lego-bricks-for-blind-audio-braille-instructions-5a2a27de4354a0b144317...
37•speckx•9h ago•5 comments

Google open-sources experimental agent orchestration testbed Scion

https://www.infoq.com/news/2026/04/google-agent-testbed-scion/
142•timbilt•9h ago•43 comments

AI helps add 10k more photos to OldNYC

https://www.danvk.org/2026/03/08/oldnyc-updates.html
110•evakhoury•1d ago•38 comments

Design for the Roller Coaster

https://pointc.co/design-for-the-roller-coaster/
5•benwerd•5d ago•0 comments

We found an undocumented bug in the Apollo 11 guidance computer code

https://www.juxt.pro/blog/a-bug-on-the-dark-side-of-the-moon/
371•henrygarner•13h ago•181 comments

Running out of disk space in production

https://alt-romes.github.io/posts/2026-04-01-running-out-of-disk-space-on-launch.html
140•romes•4d ago•71 comments

9 Mothers (YC P26) Is Hiring – Lead Robotics and More

https://jobs.ashbyhq.com/9-mothers?utm_source=x8pZ4B3P3Q
1•ukd1•9h ago

Taste in the age of AI and LLMs

https://rajnandan.com/posts/taste-in-the-age-of-ai-and-llms/
208•speckx•7h ago•179 comments

Assessing Claude Mythos Preview's cybersecurity capabilities

https://red.anthropic.com/2026/mythos-preview/
232•sweis•5h ago•30 comments

John Coltrane illustrates the mathematics of jazz

https://www.americanjazzmusicsociety.com/blog/john-coltrane-draws
95•luu•17h ago•9 comments

Cells for NetBSD: kernel-enforced, jail-like isolation

https://netbsd-cells.petermann-digital.de/
32•akagusu•3h ago•9 comments

Has electricity decoupled from natural gas prices in Germany?

https://has-electricity-decoupled-yet.strommarktberatung.de
64•konschubert•9h ago•103 comments