Looking for information about the old (Zilog) application note "Memory Management and the Z80,000 32-bit Microprocessor" (Zilog document number 00-2329-01).
32-bit Z8000 the Z80,000 and Z80320 Microprocessor
Started by ●October 5, 2022
Reply by ●September 18, 20232023-09-18
On Thursday, 6 October 2022 at 00:52:05 UTC+1, Nathan Brown wrote:> Looking for information about the old (Zilog) application note "Memory Management and the Z80,000 32-bit >Microprocessor" (Zilog document number 00-2329-01).I was googling "Z80320", as I do every few years, and found this. comp.os.cpm is the "unofficial home" for conversations about obscure Zilog parts even when they're not running CP/M. (There is a Z8k CP/M freely available, inc. source. I tried to port the assembler to something sensible but failed.) (I built a Z8001-based computer in the early '80s. I've got the 'Preliminary Z80,000 User Manual' (have you got that?) and a 'Z80,000 Electrical Specs' booklet, but no other Zilog Z80,000/Z320 documentation. I'd love to build a computer using one of them.)
Reply by ●September 21, 20232023-09-21
On Monday, 18 September 2023 at 06:40:29 UTC-6, Bruce Mardle wrote:> On Thursday, 6 October 2022 at 00:52:05 UTC+1, Nathan Brown wrote:=20 > > Looking for information about the old (Zilog) application note "Memory =Management and the Z80,000 32-bit >Microprocessor" (Zilog document number 0= 0-2329-01).> I was googling "Z80320", as I do every few years, and found this.=20 > comp.os.cpm is the "unofficial home" for conversations about obscure Zilo=g parts even when they're not running CP/M. (There is a Z8k CP/M freely ava= ilable, inc. source. I tried to port the assembler to something sensible bu= t failed.)=20> (I built a Z8001-based computer in the early '80s. I've got the 'Prelimin=ary Z80,000 User Manual' (have you got that?) and a 'Z80,000 Electrical Spe= cs' booklet, but no other Zilog Z80,000/Z320 documentation. I'd love to bui= ld a computer using one of them.) ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------- - I have read the above message, but unfortunately google Gmail does not al= l for message read conformation when they are forward from a group/forum ea= sily. Back in the old days with a paid service provided we could send a me= ssage acknowledge back to a Compuserv, AOL, Prodgy or etc email client host= . (so they know their message was received and read). So anyways I will now= thy to answer his questions without doing a bunch of retyping/re entering= . ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------- Yes I know about CP/M 8000 from the Z8000 microprocessor (the Olivetti l1m2= 0 version of it). Yes I have the same documentation as the Preliminary Z80,000 User Manual b= ut I don't have any special=20 "Z80,000 Electrical Specs' booklet". The "Z80,000 Electrical Specs' bookle= t" might be interesting if it has the missing signal pins that Zilog omitte= d from their Z80K data sheets. As for the electrical requirements on the Z8= 0K I just use the values from the hybrid version from Hitachi/NEC/Fujitsu O= EM Components version. .. On the more advanced clones of the Z80K from the OEM component sales dept. = of :Hitachi, Fujitsu, NEC the chip is somewhat improved and had full backwa= rds compatible with the 16-bit version. (unlike the Zilog version). The 3rd party Fix chip (support IC) for the Z80320 and Z80,000 are not avai= lable.=20 .. As far as building a computer using one the CMOS version of the Z8001 and Z= 8002 is still available cheaply out of China, but the support MMU and other= devices are not so freely available above 4 MHZ range. The Olivetti L1m20 = computer is well documented with firmware/software available to download. There were other = systems with that processor but if you don't=20 have all disks, documentation or its semiconductor devices, I don't recomm= end trying to build one of them.=20 .. If you want a simple Hex based Z8002 DBC then check out https://store.shopp= ing.yahoo.co.jp/orangepicoshop/pico-a-023.html There are a couple of other Z8000 based SBC projects online - sorry data no= t handy - you will have to do an internet search. .. I thank those who have replied. Hopefully this entry will be read by some . ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ----------------------------------------------- EOM
