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Thread: 8008 and Z80 ICEs

  1. #1

    Default 8008 and Z80 ICEs

    Hi all

    I've just completed re-engineering Bob Grieb's Tauntek 8080-ICE as he doesn't make them any more:

    IMG_1172.jpg

    ICE ICE baby.jpg

    I've got permission to offer these, so is there any interest in this board or the Z80-ICE (which I plan to do next)?

    Cheers
    JonB

  2. #2
    Join Date
    Jan 2014
    Location
    Western North Carolina, USA
    Posts
    1,084

    Default

    Yes on the Z80 board. Nice work, by the way.
    --
    Bughlt: Sckmud
    Shut her down Scotty, she's sucking mud again!

  3. #3
    Join Date
    Jul 2014
    Location
    New Hampshire, USA
    Posts
    138

    Default

    Jon -

    Nice work! I arranged a run of the original boards a while back. Unfortunately sourcing the original CPLD was difficult.

    https://www.retrobrewcomputers.org/d...kaufman:z80ice

    I've had occasional requests from folks about availability, so I'm sure there will be interest.

    - Gary

  4. #4

    Default

    Are not the XC9536's hard to get now they have been OOP for quite a few years? Do you plan on redesigning it to remove the obsolete parts?

  5. #5

    Default

    It was redesigned to take the 3.3v variant - 9536XL. There's a jumper onboard to set the CPLD voltage. The one pictured uses the PC44 package (socketed). It works with the 5v and 3.3v part. This means you can use whatever is available. The only fly in the ointment is that there are glitches with the MD and MT commands. I'm looking into it. Otherwise, it works fine.

    To redesign for a newer CPLD would take a lot longer, because I'd have to learn more about CPLDs. But that doesn't seem necessary because I can still order the 3.3v CPLD in an SMT package from Farnell. So a board that can use these chips is do-able, at least for the time being.
    Last edited by JonB; November 9th, 2018 at 11:56 AM.

  6. #6

    Default

    JonB,
    I'm interested in the Z80ICE (one or possibly 2).

    Larry

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