Re: [rtl] The HLT instruction

[Tuukka Toivonen <tuukkat@ees2.oulu.fi>]

On Thu, 1 Oct 1998, Hartwig Mebold wrote:

>Actually, the PC is not put to "sleep" by the HLT instruction in the
>sense of power- management, but is executed just like any other

Most CPUs are not (althought HLT might save power a *little*). But some
CPUs really do power saving with HLT instruction. I'm not sure which, but I
think Cyrixes or such, where the CPU clock is slowed or stopped even.

I don't know if this affects the wakeup time.

--
| Tuukka Toivonen <tuukkat@ee.oulu.fi>       [PGP public key
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| Studying information engineering at the University of Oulu
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