4 Feb
2007
4 Feb
'07
7:32 a.m.
On Feb 3, 2007, at 11:26 PM, Chuck Guzis wrote:
That doesn't mean that an analogue meter
wouldn't indicate
variations. On a Z80, the instruction length can vary from 1 to 5
(IIRC) bytes. Given additional cycles for memory and I/O space
references, the instruction issue rate can vary quite a bit.
Which may have absolutely nothing to do with how much useful work the
CPU's actually doing.
Right, you'd get a time-averaged view of the instruction length
mix it's running. Which may be interesting in itself, actually.
-Dave
--
Dave McGuire
Port Charlotte, FL