gentleos32

I clicked around in the kernel section and the other commenters highlighting the simplicity weren't lying. It's beautiful in its simplicity. Seeing the screenshots I was kind of expecting this was a pre-emptive multi-tasking OS (forgetting what I read in the submission). Things that thus surprised me on a cursory look: - noticed krn_main() ends with `while (1);` [1]. I would've expected a "schedule" call or something. I assume there's no real busy loop burning CPU, maybe it's never meant to reach this code? - I'm reminded of the "bare metal OS" when I see one of the apps call `krn_\*` functions directly [2]. [1]: https://github.com/luke8086/gentleos32/blob/main/kernel/main... [2]: https://github.com/luke8086/gentleos32/blob/ea691f14635c023d...

The only AI-generated artifact is the cyberpunk wallpaper from the last photo, I'll admit that :) Btw. the QEMU screenshots are still in the repo in https://github.com/luke8086/gentleos32/tree/main/doc/appimg

OLED panel? that would be a bigger hack than this OS :) Either all pictures are AI generated using QEMU templates that were there previously https://github.com/luke8086/gentleos32/commit/d40576226b7020... or those are real pictured beautified by AI. YT loves doing that to thumbnails, example https://hackaday.com/2026/06/03/hydraulic-drive-for-your-law...

There seems to be an 8 meg image here: https://github.com/luke8086/gentleos32/releases/download/202...

Hello HN, I've been working on a simple OS for tinkering and running bare metal apps on vintage PCs. Since I couldn't quite decide whether to target pure 16-bit, or slightly more capable 32-bit machines, I ended up with two separate versions: - GentleOS/32 (https://github.com/luke8086/gentleos32) works on i386+, requires 4MB of RAM and VGA display supporting 640x480x16 mode or any 256-color VESA mode. - GentleOS/16 (https://github.com/luke8086/gentleos) works on 80186+, requires less than 192KB of RAM and a CGA display supporting 320x200x4 mode. You can find more details in the repos.