All this fighting over valid "computer"definitions .....
Alan Turing would turn in his grave !
Almost merry XMAS everybody so "Peace"
Sipke de Wal
---------------------------------------------------
http://xgistor.ath.cx
---------------------------------------------------
----- Original Message -----
From: ajp166 <ajp166_at_bellatlantic.net>
To: <classiccmp_at_classiccmp.org>
Sent: Saturday, December 22, 2001 3:27 AM
Subject: Re: 6502/Z80 speed comparison (was MITS 2SIO serial chip?)
> When you get over it...
>
> Talking about 20mhz 65C02s and other "fast" parts that didn't exist when
> even the z180 (orginally 64180) was introduced is equally bogus.
>
> A Pentuim anything running a Z80 emulator is still emulation and not
> native silicon.
>
> Now cut the crap.
>
> Allison
>
> -----Original Message-----
> From: Richard Erlacher <edick_at_idcomm.com>
> To: classiccmp_at_classiccmp.org <classiccmp_at_classiccmp.org>
> Date: Friday, December 21, 2001 7:06 PM
> Subject: Re: 6502/Z80 speed comparison (was MITS 2SIO serial chip?)
>
>
> >We went through all this a couple of years back under the same heading.
> If the
> >Z235980 at 234 THz is code compatible then, if I understand you
> correctly, it IS
> >a Z80, right? Even though the Z180 won't fit in a Z80 socket, you'd
> sell it as
> >a Z80 anyway, right? Even though it didn't even exist back when it
> mattered,
> >you still insist it's a Z80, right?
> >
> >My Pentium executes the Z80 code just fine at about 75x the speed of of
> a Z80.
> >Does that mean it's a Z-80?
> >
> >We're comparing CHIPS, not philosophical constructs. If it IS a Z80, or
> Mostek
> >3480, or something else EXACTLY a Z80, i.e. built under the license,
> >pin-compatible, code-compatible, etc. then MAYBE it's germane to this
> >discussion. No chip that isn't a pin-compatible substitute commonly
> referred to
> >as a Z80 back in the days when the Z80 mattered is germane to this
> topic. If it
> >won't plug into the socket of a Z80, FORGET IT, because it's not a Z80.
> If
> >that's too difficult for you, then please ask an adult why a 47-ohm
> resistor
> >isn't the same thing as a 75-ohm resistor.
> >
> >I'm sure glad you're not trying to sell parts any more, Allison. I'd
> hate to
> >have to argue with you that the choke you're trying to pitch isn't a
> diode.
> >
> >Dick
> >
> >----- Original Message -----
> >From: "ajp166" <ajp166_at_bellatlantic.net>
> >To: <classiccmp_at_classiccmp.org>
> >Sent: Friday, December 21, 2001 4:24 PM
> >Subject: Re: 6502/Z80 speed comparison (was MITS 2SIO serial chip?)
> >
> >
> >> From: Richard Erlacher <edick_at_idcomm.com>
> >>
> >>
> >> >There are lots of things that you could compare, but the first things
> >> you've got
> >> >to leave out are the ones that aren't a Z80, which immediately
> deletes
> >> the Z180,
> >> >and Z280. The Z80 is not around any more than the 6502 is around.
> >> There are
> >>
> >>
> >> Why? they are still z80 core and code compatable. While they add
> things
> >> like
> >> serial IO, timers and MMU they are Z80, maybe more so than 65C02.
> >>
> >> Allison
> >>
> >>
> >>
> >
> >
>
Received on Sat Dec 22 2001 - 03:34:10 GMT