Homebrew 16bit CPU from 74HC logic with C compiler and Unix-like OS
This is a 16bit CPU+Minicomputer from pure 74 series logic. It has user/kernel modes, virtual memory, prioritized IRQ's and DMA. It has a full C compiler and a unix-like OS. It's still in development.
Homebrew 16bit CPU from 74HC logic with C compiler and Unix-like OS launched on December 8, 2023 with 192 votes, #236 of 3,780 launches that month and more than 95% of that year's launches.
In plain words
This project is a 16-bit CPU and minicomputer built entirely from 74-series logic chips. It includes user and kernel modes, virtual memory, prioritized interrupts, and DMA support. The system comes with a C compiler and a Unix-like operating system, allowing users to write and run programs. The project remains under active development.
written from the facts on this page · September 2026
Does a similar job
all alternatives →
We built an 8-bit CPU as 2nd year EE studentsJun 2026 · github.com · ▲108Hi! me and my friends together built an 8 bit CPU implemented in Logisim purely from scratch. The control unit of this system does not implement the generic microcode ROM or any kind of RAM. This was made purely from discrete logic gates and coded the system to run different programs. key features: Custom 16-instruction Harvard ISA, 8-bit fixed format, 4 general purpose registers Hardwired control unit built entirely from AND/OR gate logic matrix Dual-phase clocking to eliminate race conditions Bootstrap Control Unit that cold-boots via ROM-to-RAM transfer Early-exit conditional…
8-bit CPU simulator in C2020 · github.com · ▲67A digital logic simulation written in C. Contribute to rzscheck/logic development by creating an account on GitHub.
Homemade 32-bit CPU and OS (2015) [video]2016 · youtube.com · ▲253
MyraOS – My 32-bit operating system in C and ASM (Hack Club project)Oct 2025 · github.com · ▲247Hi HN, I’m Dvir, a young developer. Last year, I got rejected after a job interview because I lacked some CPU knowledge. After that, I decided to deepen my understanding in the low level world and learn how things work under the hood. I decided to try and create an OS in C and ASM as a way to broaden my knowledge in this area. This took me on the most interesting ride, where I’ve learned about OS theory and low level programming on a whole new level. I’ve spent hours upon hours, blood and tears, reading different OS theory blogs, learning low level concepts, debugging, testing and working on…
Turbine – 16-bit CPU Architecture and Emulator built in C2025 · errorcodezero.dev · ▲50Github: https://github.com/errorcodezero/turbine
A 16-bit Forth machine written in VHDL2014 · github.com · ▲80Yet Another Forth Core... Contribute to inforichland/yafc development by creating an account on GitHub.
More life & fun this month
the category →
A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.
Life & fun · 3d ago · permit.petercai.com
- IV
Life & fun · 15d ago · tanzaniaeducationproject.org
Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.
Life & fun · 16d ago · bigwords.page
Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.
Life & fun · 10d ago · guitoro.com
Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.
Life & fun · 14d ago · carrierexplode.com
Life & fun · 24d ago · space.bl2.net
Source: Show HN post ↗
Launched alongside, December 2023
the whole month →
Hi HN! I’m proud to share that we have built a real 3rd party iMessage client for Android. We did it by reverse engineering the iMessage protocol and encryption system. It's available to download today (no waitlist): https://play.google.com/store/apps/details?id=com.beeper.ima and there's a technical writeup here: https://blog.beeper.com/p/how-beeper-mini-works. Unlike every other attempt to build an iMessage app for Android (including our first gen app), Beeper Mini does not use a Mac server relay in the cloud. The app connects directly to Apple…
Work · 2023 · beeper.com
Hey! I made Heynote entirely for my own use case. For many years, I always had an Emacs instance running with the scratch buffer open, even long after I had abandoned Emacs as my programming editor in favor of more recent IDE:s. The simplicity of having just one big scratch buffer appeals to me, but I still want to separate the different things I jot down somehow (without using tabs or similar). Previously, my solution was to insert a bunch of blank lines between the notes, but hitting C-A would still select the entire buffer. That's why I came up with the concept of "blocks", which turned…
Work · 2023 · heynote.com
FuseBase▲939Client collaboration platform for professional services
Dev tools · 2023 · thefusebase.com
Beep! 2.0▲871Fastest tool to assign and share visual tasks with your team
Work · 2023 · justbeepit.com
Inbox Zero▲821Clean Up Your Inbox In Minutes Newsletter management, AI automation, and email analytics. Inbox Zero is the open-source email app that puts you back in control of your inbox.
AI · 2023 · getinboxzero.com