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Custom Firmware for the MZ-RH1 – Ready for Testing

https://sir68k.re/posts/rh1-firmware-available/
26•jimbauwens•4d ago

Comments

DannyPage•1h ago
I’m so glad Minidisc is having a resurgence. I don’t know if I’ll end up getting a MZ-RH1, but for the lucky folks who do, nice to see they’ll get some nice QoL upgrades!
olivia-banks•1h ago
Looking through the code is really interesting! I've always wondered how the code for these sorts of embedded devices worked (namely microwaves).
hackit2•43m ago
I recently went down that rabbit hole, just look up how often embedded devices use fixed-point arithmetic to compensate for the lack of FPU units on the chips.
busterarm•1h ago
I have an MZ-RH10 lying around somewhere that would be neat to try working on.

Some folks have recently done screen replacements on those and that might be worth doing first.

joecool1029•1h ago
always wanted one of these models then prices skyrocketed. now there’s not much of a point as the primary novel feature, uploading, was reverse engineered for all other NetMD models (ones that take standard batteries and have screens that don’t burn-in), just need a WebUSB browser and go here: https://web.minidisc.wiki/

Claude’s C Compiler vs. GCC

https://harshanu.space/en/tech/ccc-vs-gcc/
68•unchar1•1h ago•19 comments

Art of Roads in Games

https://sandboxspirit.com/blog/art-of-roads-in-games/
166•linolevan•9h ago•53 comments

Vouch

https://github.com/mitchellh/vouch
742•chwtutha•1d ago•337 comments

TSMC to make advanced AI semiconductors in Japan

https://apnews.com/article/semiconductors-tsmc-japan-taiwan-ai-11256f2bfde73ca23d08331ad138d6d5
55•dev_tty01•1h ago•20 comments

Reverse Engineering the Prom for the SGI O2

https://mattst88.com/blog/2026/02/08/Reverse_Engineering_the_PROM_for_the_SGI_O2/
79•mattst88•7h ago•16 comments

Custom Firmware for the MZ-RH1 – Ready for Testing

https://sir68k.re/posts/rh1-firmware-available/
26•jimbauwens•4d ago•5 comments

Show HN: A custom font that displays Cistercian numerals using ligatures

https://bobbiec.github.io/cistercian-font.html
55•bobbiechen•7h ago•6 comments

More Mac malware from Google search

https://eclecticlight.co/2026/01/30/more-malware-from-google-search/
143•kristianp•9h ago•94 comments

Apple XNU: Clutch Scheduler

https://github.com/apple-oss-distributions/xnu/blob/main/doc/scheduler/sched_clutch_edge.md
123•tosh•9h ago•23 comments

Every book recommended on the Odd Lots Discord

https://odd-lots-books.netlify.app/
67•muggermuch•6h ago•19 comments

Quartz crystals

https://www.pa3fwm.nl/technotes/tn13a.html
55•gtsnexp•21h ago•12 comments

Stop Generating, Start Thinking

https://localghost.dev/blog/stop-generating-start-thinking/
93•frizlab•8h ago•41 comments

Cooking with glasses

https://macwright.com/2025/09/21/cooking-with-glasses
15•surprisetalk•3d ago•3 comments

Ask HN: What are you working on? (February 2026)

118•david927•10h ago•361 comments

Show HN: I created a Mars colony RPG based on Kim Stanley Robinson’s Mars books

https://underhillgame.com/
177•ariaalam•13h ago•57 comments

LispE: Lisp Interpreter with Pattern Programming and Lazy Evaluation

https://github.com/naver/lispe
5•PaulHoule•4d ago•0 comments

Roundcube Webmail: SVG feImage bypasses image blocking to track email opens

https://nullcathedral.com/posts/2026-02-08-roundcube-svg-feimage-remote-image-bypass/
122•nullcathedral•11h ago•35 comments

AI makes the easy part easier and the hard part harder

https://www.blundergoat.com/articles/ai-makes-the-easy-part-easier-and-the-hard-part-harder
231•weaksauce•7h ago•181 comments

The Little Bool of Doom (2025)

https://blog.svgames.pl/article/the-little-bool-of-doom
92•pocksuppet•12h ago•31 comments

Shifts in U.S. Social Media Use, 2020–2024: Decline, Fragmentation, Polarization (2025)

https://arxiv.org/abs/2510.25417
168•vinnyglennon•8h ago•154 comments

Toma (YC W24) Is Hiring Founding Engineers

https://www.ycombinator.com/companies/toma/jobs/oONUnCf-founding-engineer-ai-products
1•anthonykrivonos•7h ago

Experts Have World Models. LLMs Have Word Models

https://www.latent.space/p/adversarial-reasoning
65•aaronng91•11h ago•81 comments

Running Your Own As: BGP on FreeBSD with FRR, GRE Tunnels, and Policy Routing

https://blog.hofstede.it/running-your-own-as-bgp-on-freebsd-with-frr-gre-tunnels-and-policy-routing/
162•todsacerdoti•16h ago•63 comments

A GTA modder has got the 1997 original working on modern PCs and Steam Deck

https://gtaforums.com/topic/986492-grand-theft-auto-ready2play-full-game-windows-version/
163•HelloUsername•9h ago•74 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
71•nwparker•3d ago•15 comments

Dave Farber has died

https://lists.nanog.org/archives/list/nanog@lists.nanog.org/thread/TSNPJVFH4DKLINIKSMRIIVNHDG5XKJCM/
235•vitplister•18h ago•37 comments

GitHub Agentic Workflows

https://github.github.io/gh-aw/
233•mooreds•16h ago•117 comments

A tough labor market for white-collar workers has turned recruiting upside down

https://www.wsj.com/lifestyle/careers/job-hunters-are-so-desperate-that-theyre-paying-to-get-recr...
11•KnuthIsGod•50m ago•1 comments

Exploiting signed bootloaders to circumvent UEFI Secure Boot (2019)

https://habr.com/en/articles/446238/
114•todsacerdoti•15h ago•65 comments

Americans want heat pumps – but high electricity prices may get in the way

https://theconversation.com/americans-want-heat-pumps-but-high-electricity-prices-may-get-in-the-...
14•PaulHoule•1h ago•11 comments