[ntp:questions] 500ppm - is it too small?

Uwe Klein uwe_klein_habertwedt at t-online.de
Fri Nov 13 18:15:17 UTC 2009


Joseph Gwinn wrote:
> The prototypical example of an orthogonal instruction set was the 
> PDP-11.  The Motorola 68000 family was an outgrowth.

68k	-> CISC	and still very much alive
88k	-> RISC drifting belly up in the pond.

in ~1990 Motorola wanted to push RISC 88k so much
you could buy a MVME187 plus SysVR3 unix System
for half the price of a MVME167. Afaik it was a flop.
PowerPC later took of in an acceptable way.

Another side is a bit more interesting:
Motorola had a perfect design for the 68k
processor developement path at the time
they released the inital MC68000.
Things just worked.

uwe




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