Re: Apple Drops Backward Compatibility for Next MacOS

[karl@news.simons-rock.edu (Karl A. Krueger)]

Eric Bennett (ericb@pobox.com) wrote:
: Of course not.  A 4.77 MHz 8088 is exactly (within significant figure
: limits) 4.66 times faster than a 1.024 MHz 6502.

No.  Remember that different chips have different instruction sets, and some
instructions take more than one cycle.  For instance, a return from
interrupt on a Pentium takes, I believe, forty-seven cycles.  It might not
take as long on, say, a PowerPC.


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