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Author Topic: I bet your z80 didn't do this...  (Read 5450 times)

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Offline pixieTopic starter

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I bet your z80 didn't do this...
« on: December 17, 2006, 04:28:19 AM »
electronics »  the v3 Z80 project

At least mine didn't, not even close...
plus a tribute to Jay Miner is always nice :-)
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Offline InTheSand

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Re: I bet your z80 didn't do this...
« Reply #1 on: December 17, 2006, 06:15:14 AM »
Ooh!

Very cool! Been a while since I've done any Z80 assembly language stuff, but this looks like a fantastic project!!!

 - Ali
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Offline weirdami

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;-)
« Reply #2 on: December 17, 2006, 06:30:04 AM »
mine does that. always has. wait. oh, right. i don't know what a z80 is.
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Offline pixieTopic starter

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Re: ;-)
« Reply #3 on: December 17, 2006, 11:03:53 AM »
Quote
mine does that. always has. wait. oh, right. i don't know what a z80 is.

I got to admit when I first read it though on ZX80 Spectrum, but then I went seeking and I got this results:

 * Radio Shack TRS-80
 * Sinclair ZX80, ZX81, and ZX Spectrum
 * Amstrad CPC and PCW series
 * MicroBee
 * The MSX standard home computers
 * Spectravideo SV-318, SV-328 and successors
 * Jupiter Ace
 * Sharp MZ
 * MGT (Miles Gordon Technology) SAM Coupé
 * Commodore 128

Well rather then being a computer Z80 is a processor line used on the above computers
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Offline JimS

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Re: ;-)
« Reply #4 on: December 17, 2006, 02:32:31 PM »
That does look like a fun project...
Back in the Elder Days, i.e. before the Z80 was retro, I built a homebrew Z80 computer. Mostly I used magazine plans, but pretty much dropped the project once I got my Atari 800. Fun while it lasted though. ;-)

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Offline skurk

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Re: ;-)
« Reply #5 on: December 17, 2006, 02:56:25 PM »
Speaking of hombrew computers, I bought the book Apple I Replica Creation ("Back to the garage") a while ago.

Maybe I should start building that puppy soon.  The fun part must be writing a custom ROM for it (*drools*)
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Offline huronking

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Re: ;-)
« Reply #6 on: December 17, 2006, 03:39:37 PM »
Believe it or not there were even more.

But anyway my packet radio modem runs the toshiba incarnation of the Z-80 24 hours a day still.

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Offline amiga92570

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Re: ;-)
« Reply #7 on: December 17, 2006, 03:43:59 PM »
You forgot the bally Astrocade, one of the first z80 machines. :-)
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Offline _ThEcRoW

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Re: ;-)
« Reply #8 on: December 17, 2006, 03:46:26 PM »
Packet Radio Modem? or are you referring to a tnc?
:)
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Offline JimS

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Re: ;-)
« Reply #9 on: December 17, 2006, 05:54:57 PM »
The Exidy Sorcerer used a Z-80. It also used  the plastic shells of 8-track tape carts to hold it's ROM carts.
I got my Z80 chip off a fried card from a printer at work.. a nice "mil-spec" ;-) ceramic package rated at a blazing 4mHz!

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Offline InTheSand

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Re: ;-)
« Reply #10 on: December 17, 2006, 08:50:37 PM »
Quote
JimS wrote:
That does look like a fun project...
Back in the Elder Days, i.e. before the Z80 was retro, I built a homebrew Z80 computer.


Ah, well hello from another former "homebrewer"! I have two Z80-based home systems, one cannibalised from an ancient multi-user CP/M system and the other based on the innards of a 3.5" RS232-interfaced floppy drive (briefly on the market in the UK in the 1990s).

However, both my systems are serial port based, e.g. no bitmapped graphics (though one has an AY-3-8912 beeper for sound!), so a project like that one would be very interesting to me...

Come to think of it though, assuming the MiniMig goes ahead and that its FPGA is reprogrammable in the final version, I guess there's no reason why other computer cores (ZX Spectrum, C64, etc) couldn't be developed to run on it? Or is there a reason why this wouldn't be possible?

 - Ali

P.S. @Karlos: nice pic! :-)
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Offline NoFastMem

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Re: I bet your z80 didn't do this...
« Reply #11 on: December 17, 2006, 09:33:10 PM »
Quote
I bet your z80 didn't do this...


Ehh, but my girlfriends do things his won't. :-D
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Offline ethierbach

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Re: ;-)
« Reply #12 on: December 17, 2006, 10:13:44 PM »
OK, I haven't seen these two Z-80 systems mentioned yet:

The DEC Rainbow, having both a Z-80 and an 8088.  I could run both MS-DOS and CP/M in a dual-boot configuration.  (OK, "dual boot" back then meant having both system floppies on my desk, but hey...)

http://www.columbia.edu/acis/history/rainbow.html

Z-MOB, a project from my alma mater (U of Maryland), a massively-parallel computer running 128 Z-80s together.  After getting the original running, they started looking at upgrading the thing to 68000s, which should bring some satisfaction to Amigans' hearts. :-)

http://stinet.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA168127

-Ed-
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Offline InTheSand

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Re: ;-)
« Reply #13 on: December 17, 2006, 11:00:00 PM »
And not forgetting the Commodore 128 - which had a 6502 and Z80 inside, also allowing "dual booting" into C64-mode, C128-mode and CP/M...

EDIT: I guess that should read "triple booting"!  :-)

Did many (any?) C128 users ever run CP/M on their machines?

 - Ali
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Offline LoadWB

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Re: ;-)
« Reply #14 on: December 17, 2006, 11:33:08 PM »
I used several different CP/M language compilers, like Small C, Pascal, and COBOL on my 128.  I had a highly customized boot disk and am planning to get back involved with one of the newer Z80-specific Kernals (IIRC, the original CP/M+ v3 is actually 8080.)
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