Programmer Humor

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PS/2 things (lemmy.world)

submitted 8 months ago* (last edited 8 months ago) by carrylex@lemmy.world to c/programmer_humor@programming.dev

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In todays edition of "stuff that I found in my storage" a PS/2 meme

Image transcription:

mov rax, rbx add rax, rcx HELLO IT'S THE KEYBOARD I HAVE AN IMPORTANT MESSAGE E

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[–] Gobbel2000@programming.dev 0 points 8 months ago (1 children)

Does USB not use interrupts?

[–] CEbbinghaus@lemmy.world 1 points 8 months ago

No. It's polling based

[–] somethingsomethingidk@lemmy.world 0 points 8 months ago (1 children)

Underrated meme

[–] darthsid@lemmy.world 0 points 8 months ago (1 children)

Help me understand pls?

[–] fatalicus@lemmy.world 1 points 8 months ago

Ps/2 keyboards used interrupt when transferring data, meaning instead of waiting for the cpu to get the data it is trying to send when it is free, it will just interrupt what the cpu is currently doing and tell it to process what the keyboard is sending.