QNX which has been implemented on many much slower processors than the ATMEGA328
QuoteQNX which has been implemented on many much slower processors than the ATMEGA328How do you figure? I thought the smallest thing QNX ran on was a relatively good-sized x86?
We used QNX for building control on a 6809-based computer in the 80s, I don't remember the details but it's probably fair to say it had 64k RAM....
And then there was XPR (eXecute PRogrammer)
My personal favourite was the PowerPC's EIEIO instruction
A "computer bought the farm" message is an error message displayed on GNU Hurd when one of the servers that provide kernel-like functions reaches a "hopeless" situation (after which it is usually terminated). This is a rough equivalent of a kernel panic in monolithic Unix-like kernels. Its corresponding error code is the Hurd-specific EIEIO, a reference to the folk song Old McDonald Had a Farm.
Enforce In-Order Execution of I/O is an assembly language instruction used on the PowerPC computer processor used to prevent one memory or I/O operation from starting until the previous memory or I/O operation completed.
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