On 2009-09-25, Hendrik van Rooyen <hend...@microcorp.co.za> wrote:
> On Thursday, 24 September 2009 15:42:36 Antoine Pitrou wrote:
>> Grant Edwards <invalid <at> invalid.invalid> writes:
>> > Back when I worked on one of the first hand-held cellular
>> > mobile phones, it used co-routines where the number of
>> > coroutines was fixed at 2 (one for each register set in a Z80
>> > CPU).
>>
>> Gotta love the lightning-fast EXX instruction. :-)
>
> Using it in the above context is about equivalent to slipping
> a hand grenade in amongst the other eggs in a nest.
EXX accomplised much of the context switch operation. I don't
remember how much RAM was available, but it wasn't much...
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Grant Edwards grante Yow! And furthermore,
at my bowling average is
visi.com unimpeachable!!!
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