848
Important Message
(thelemmy.club)
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
this post was submitted on 14 May 2026
848 points (98.2% liked)
Programmer Humor
31445 readers
1576 users here now
Welcome to Programmer Humor!
This is a place where you can post jokes, memes, humor, etc. related to programming!
For sharing awful code theres also Programming Horror.
Rules
- Keep content in english
- No advertisements
- Posts must be related to programming or programmer topics
founded 2 years ago
MODERATORS
USB keyboards yelling into the void in the background hoping to be noticed.
They ain't even, the host actually polls "interrupt" endpoints
Couldn't quite remember how it worked, just that USB didn't CPU interrupt:-)
Modern CPUs can manage what interrupts them. Almost nothing actually does.
Computers have a CPU just to get in the way of things interrupting the main CPU.
Based
You have a CPU? Well, i have a CPU in a CPU!
Yo dawg
I'm remembering from back in the ol' single core days too. Where an interrupt was, well, an interrupt.
If you want a USB host controller to interrupt your CPU, I can recommend some nice embedded SoCs