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Phillip Tennen

Personal blog · axleos.comsystemshardwareprogramming

Phillip Tennen's personal blog at axleos.com covers systems, hardware and programming. Since 2023, 7 different Hacker News readers have linked it 26 times, most often “Show HN: Building a GPS receiver”. The last post was in 2024, but the archive is still widely read.

Visit the blog
26mentions?
7HN people?
2023–2026first – last linked?
Links on Hacker News per year · peak 18 in 2023

Too few sampled comments (2) to say how often HN recommends it.?

Why HN links it

HN readers link Phillip Tennen's low-level projects, such as an IRC client that runs from UEFI and a multi-part iPhone 4 exploit write-up. Commenters single out the write-ups and visual design.

Summarised by Claude from a sample of 2 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.

axle OS

Most-linked posts?

  1. Show HN: Building a GPS receiver
    2 people · 2 mentions · first linked 2024-04-15
  2. An IRC client in your motherboard
    2 people · 2 mentions · first linked 2024-04-05
  3. Simulating Slices of iOS Apps
    2 people · 2 mentions · first linked 2024-01-06
  4. Exploiting the iPhone 4, Part 1: Gaining Entry
    2 people · 2 mentions · first linked 2023-10-02
  5. Writing about writing about programming
    2 people · 2 mentions · first linked 2023-06-26

What Hacker News says?

  1. johnisgood · 2024-04-30Recommends
    Nice write-up in the original article[1]. I love the visualizations and the style of the website. [1] https://axleos.com/an-irc-client-in-your-motherboard/

    Comment linking /an-irc-client-in-your-motherboard/

    on “An IRC client that runs on your motherboard's UEFI is born”
  2. Submitted Show HN: Building a GPS receiver as a story · 552 points

    HN discussion
  3. Hi HN, author here! The GameBoy emulator written up in this post runs on axle, which is a message-passing microkernel-based OS I’ve been working on for a very long time. dang suggested that I put together a Show HN for axle, which I’d love to do once I have a bit more time to get things into a working-out-of-the-box state! axle is a really fun project for me, and serves as the testing grounds for all kinds of techni…

    Comment linking /adding-vmnet-support-to-qemu/

    on “I wrote a GameBoy emulator for my hobby OS”
  4. Submitted An IRC client in your motherboard as a story · 343 points

    HN discussion
  5. Might be of interest to folks in this thread: I wrote about the GameBoy boot ROM here: https://axleos.com/writing-axles-gameboy-emulator/

    Comment linking /writing-axles-gameboy-emulator/

    on “Extracting the GameBoy ROM from photographs of the die”
  6. Submitted Writing a TrueType font renderer as a story · 317 points

    HN discussion
  7. 4lun · 2023-10-03Recommends
    Thanks for this, beyond anything I'll likely ever do myself but a fun read :) FYI the link to part 3 at the bottom of part 2 [1] seems to be unreachable via mouse. On desktop the element img.terminal_in_demo_with_window is overlapping and blocking the link for me [1] https://axleos.com/exploiting-the-iphone-4-part-2-bypassing-...

    Comment linking /exploiting-the-iphone-4-part-2-bypassing-the-boot-chain/

    on “Exploiting the iPhone 4”
  8. Submitted Simulating Slices of iOS Apps as a story · 45 points

    HN discussion
  9. Submitted Writing about writing about programming as a story · 12 points

    HN discussion
  10. Submitted Building a software-defined GPS receiver as a story · 3 points

    HN discussion
  11. Submitted Exploiting the iPhone 4, Part 1: Gaining Entry as a story · 2 points

    HN discussion
  12. Submitted Simulating Slices of iOS Apps as a story · 2 points

    HN discussion
  13. Submitted Making a newsletter backend as a story · 2 points

    HN discussion
  14. Submitted Axle’s Red Rectangle of Doom as a story · 2 points

    HN discussion
  15. Submitted I wrote a GameBoy emulator for my hobby OS as a story · 2 points

    HN discussion
  16. Submitted I wrote a GameBoy emulator for a hobby OS in Rust as a story · 2 points

    HN discussion
  17. Submitted Writing axle's GameBoy emulator as a story · 2 points

    HN discussion
  18. Submitted Footsteps of pi as a story · 1 points

    HN discussion
  19. Submitted Exploiting the iPhone 4 as a story · 1 points

    HN discussion
  20. Submitted Making a Newsletter Back End as a story · 1 points

    HN discussion
  21. Submitted Writing about writing about programming as a story · 1 points

    HN discussion
  22. Submitted Screwing up my page tables as a story · 1 points

    HN discussion
  23. Submitted Rearranging the Computer as a story · 1 points

    HN discussion
  24. Submitted Axle OS as a story · 1 points

    HN discussion
  25. Submitted Running Axle on Multiple CPUs as a story · 1 points

    HN discussion
  26. Submitted Running axle on multiple CPUs as a story · 1 points

    HN discussion

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