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> Why do I associate the noise with Acorn computers?

Perhaps because when the CPU is idling it's executing a few instructions (to check mouse movement/clicks etc) over and over... with RISC OS being so much simpler than other OSes, and being written in assembler, you have a shorter loop (hence higher frequencies) and it has a more obvious periodicity (more tonal rather than white noise).

I've heard of engineers on older computers using this sort of side-effect to debug code - really! In fact I've done something similar myself a couple of times.

You're not a true geek until you've debugged your software using an oscilloscope and/or logic analyzer! :-)

Adrian

 is a RISC OS Useradrianl on 1/12/03 11:15PM
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