Path: ...!weretis.net!feeder6.news.weretis.net!usenet.blueworldhosting.com!diablo1.usenet.blueworldhosting.com!nnrp.usenet.blueworldhosting.com!.POSTED!not-for-mail
From: "Edward Rawde" <invalid@invalid.invalid>
Newsgroups: sci.electronics.design
Subject: Re: Zilog stopping Z80 production
Date: Wed, 24 Apr 2024 22:03:40 -0400
Organization: BWH Usenet Archive (https://usenet.blueworldhosting.com)
Lines: 34
Message-ID: <v0cdlu$1fm3$1@nnrp.usenet.blueworldhosting.com>
References: <v07k2p$cki9$1@solani.org> <v09ih8$bfo$1@nnrp.usenet.blueworldhosting.com> <v09p38$1uqd3$2@dont-email.me> <v0bm50$2g4or$2@dont-email.me> <b0si2jp3q4tcurbp5p3tj36b4f2vd0rj3l@4ax.com> <v0c1mg$2is8l$1@dont-email.me>
Injection-Date: Thu, 25 Apr 2024 02:03:42 -0000 (UTC)
Injection-Info: nnrp.usenet.blueworldhosting.com;
	logging-data="48835"; mail-complaints-to="usenet@blueworldhosting.com"
Cancel-Lock: sha1:ev5343UD8fT/tju3Fe3AZJB3SD0= sha256:goztnRNgQ+6ABfPGoWK/W+V4OkIyiRjNYMJjN2WfPXo=
	sha1:l1wCxETjP4EioxmMiDHCFpK5jMc= sha256:Ss+b0JrBs/Qso/G/6w1+N5UBTHzcTIiPHfEGm58CbXk=
X-RFC2646: Format=Flowed; Response
X-Priority: 3
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157
X-MSMail-Priority: Normal
X-Newsreader: Microsoft Outlook Express 6.00.2900.5931
Bytes: 2354

"Lasse Langwadt" <llc@fonz.dk> wrote in message 
news:v0c1mg$2is8l$1@dont-email.me...
> On 4/24/24 22:48, boB wrote:
>> On Wed, 24 Apr 2024 21:22:07 +0200, Lasse Langwadt <llc@fonz.dk>
>> wrote:
>>
>>> On 4/24/24 04:00, Don Y wrote:
>>>> On 4/23/2024 5:08 PM, Edward Rawde wrote:
>>>>> It must be trivial to get a VHDL/Verilog model and make your own by 
>>>>> now.
>>>>
>>>> The problem with all the early/simple/trivial processors is getting
>>>> the rest of the system to run as fast as the core can. E.g., running
>>>> a core at ~200MHz and expecting the same bus timing means < 5ns memory.
>>>>
>>>> (for a Z80, that would be ~10ns as the bus timing is inherently slower)
>>>>
>>>
>>> how much memory can it address?
>>>
>>
>> 64K
>> 16 bits worth.
>
> so in something like and FPGA in is with range of internal ram and memory 
> speed is not really an issue

Yes. That's where I'd put a Z80 in the unlikely event that I wanted to use 
one these days.
Along with RAM, ROM, and anything else it needs.

>