Re: Flame-o-Rama! (was Re: ZipGS 12MHz on ROM

[irsman@iastate.edu (Ian Schmidt)]

In article <2pp0qi$pnc@larry.rice.edu> jimwong@owlnet.rice.edu (Jim Wong) writes:
>In article <1994Apr28.044323.27386@labtam.labtam.oz.au> philip@labtam.oz.au writ
>es:
>>  You obviously don't realise that due to the pipelined design of the 65816,
>>it is capable of executing instructions up to 4 times faster than other CISC
>>processors at the same Mhz rating.  So 12 Mhz is not pathetic at all...it is
>>in fact roughly equivilant to a 40 Mhz PC!  That's nothing to complain about.
>
>What are you talking about?  I was not aware that the 65816 has an instruction
>pipeline of any considerable length.  For what it's worth, though,
>a 40 MHz 68040 would probably eat a 12 MHz 65816 for lunch (not that it
>means anything).

The 65816 has a sorta-pipeline, in that an instruction fetch can occur during
the last execution cycle of many instructions.  Details are left to people who
know more about this :)

-- 
Ian Schmidt / irsman@iastate.edu / irsman@cs.iastate.edu
"Though we know that time has wings, we're the ones that have to fly" -Peart