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<1…891011121314>
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... .0 board[/url] to support eeprom programming from the spectrum, audio ...
    Dan Dare Dan Dare October 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... pressed (it'll allow the eeprom upgrade) otherwise you'll get ...
    Dan Dare Dan Dare November 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... /> - non volatile memory
    -- PIC eeprom read/write - Architecture and code ...
    Dan Dare Dan Dare November 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... cycles.
    2) The PIC eeprom. 256 bytes. Last 5 bytes ... .
    3) The onboard flash eeprom. 512Kb organized in 4k segments ...
    Dan Dare Dan Dare November 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... all that before building the EEPROM image.

    And if ...
    joefish joefish November 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... pressed (it'll allow the eeprom upgrade) otherwise you'll get ...
    Pegaz Pegaz November 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... pressed (it'll allow the eeprom upgrade) otherwise you'll get ... divide! and a much faster eeprom burning)
    Dan Dare Dan Dare November 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... Unicorn anyone ;) )
    - Much faster eeprom write
    - Corrected a rare ...
    Dan Dare Dan Dare November 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... : With a hole to allow EEPROM extraction and without it."[/i ...
    Dan Dare Dan Dare November 2016 Hardware
  • ZX Spectrum 48k issuesHi all! A couple of days ago I bought my first 48k Speccy off ebay (I already own a beautiful QL expanded with QubIDE interface and 640k ram). It was…

    ... program from ROM (including EPROM/EEPROM/flash memory). A RAM test ...
    1024MAK 1024MAK January 2017 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... not usually supported by common eeprom programmers since it's relatively ... and the latest PIC fw, eeprom content can be written from ...
    Dan Dare Dan Dare January 2017 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... the upper part of the eeprom memory.
    Also, I wouldn ... 't try and update the eeprom contents from the spectrum. Software ...
    Dan Dare Dan Dare January 2017 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... internal spectrum rom ready for EEPROM audio update
    Both buttons ...
    Dan Dare Dan Dare February 2017 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... up to 460KB available in EEPROM as a R/W disk ...
    Dan Dare Dan Dare March 2017 Hardware
  • ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…

    ... this meant,was that my EEPROM/FLASH programmer was reporting a ...
    RMartins RMartins March 2017 Hardware
  • Help understanding the Z80.So I have a Z80 CPU and a 32k ram chip. I understand how they connect. (Data and address busses, chip select etc.) But how would i input information…

    ... some sort of EPROM / EEPROM / flash. EPROMs refer to ... called an EPROM programmer. EEPROM is electrically erasable as opposed ... make distinctions between EPROM / EEPROM / flash because they're using ... organized into sectors. Being EEPROM means you can program ...
    Alcoholics Anonymous Alcoholics Anonymous March 2017 Hardware
  • SD Card Interfaces for the ZX Spectrum : the complete list OK I admit it : this thread will start life as the incomplete list of SD card interfaces but the aim is to list the lot

    ... future is not jumper for eeprom(only internal or not used ...
    velesoft velesoft March 2017 Hardware
  • SD Card Interfaces for the ZX Spectrum : the complete list OK I admit it : this thread will start life as the incomplete list of SD card interfaces but the aim is to list the lot

    ... /> Where is jumper for flashing eeprom (upgrade system) ?

    - 4 ... (standard/minimum)
    - 8kB flash eeprom (standard)
    - I see on ... .
    - invisible jumper for flashing EEPROM.... If it's hard connect ...
    velesoft velesoft March 2017 Hardware
  • SD Card Interfaces for the ZX Spectrum : the complete list OK I admit it : this thread will start life as the incomplete list of SD card interfaces but the aim is to list the lot

    ... /> - ram memory 512kB
    - flashing eeprom is possible after eject SD ...
    velesoft velesoft April 2017 Hardware
  • ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …

    ... the ROM with a newer EEPROM (like 27E257) with double capacity ... test ROM images with the EEPROM.

    You could also ...
    Claudius Claudius April 2017 Hardware
  • ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …

    ... .

    Yes bank-switchable EEPROM would be very useful. Anyone ...
    RetroTechie RetroTechie April 2017 Hardware
  • SD Card Interfaces for the ZX Spectrum : the complete list OK I admit it : this thread will start life as the incomplete list of SD card interfaces but the aim is to list the lot

    ... /> - ram memory 512kB
    - flashing eeprom is possible after eject SD ...
    Luzie Luzie April 2017 Hardware
  • ROM emulation in softwareHi, first of all -- I only have shallow / uni knowledge of hardware, electronics, and physics. So forgive me for asking things that are out of that …

    ... Spectrum and then written into EEprom. The reason is simple - dual ...
    tstih tstih June 2017 Hardware
  • ZX Nuvo 128..Hi There, I have built the ZX Nuvo 128 by Superfo, but it has a problem. The machine is working, but the video signal is completely bonkers. I've …

    ... and to disable the DivMMC EEPROM. On boot up, 48K mode ...
    fitzfortune fitzfortune June 2017 Hardware
  • Troubleshooting RAM IC's on Spectrum +2 Grey?Got myself a grey +2 but at startup it shows something very similar to this: [img]https://preview.ibb.co/mmai5F/2_Ram_Fault.png[/img] I also su…

    ... EPROM chip (or suitable flash / EEPROM chip). I have not tried ...
    1024MAK 1024MAK August 2017 Hardware
  • DivIDE & DivMMC support in FUSE 1.4.0Hello, How do you get DivIDE & DivMMC (with ESXDOS) support working in FUSE? I found some very old posts from 2011 which partially answered he qu…

    ... need to run esxdos from eeprom, not in mapram mode and ...
    ub880d ub880d September 2017 Emulators
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... .
    - z80 code residing in eeprom : can always be programmed from ... different means to write the eeprom contents:

    A) audio ...
    Dan Dare Dan Dare January 2018 Hardware
  • Assembler by Peker Computers Ltd.There are two entries at WOS: http://www.worldofspectrum.org/infoseekid.cgi?id=0024435 (MIA) http://www.worldofspectrum.org/infoseekid.cgi?id=100…

    ... an idea of using an eeprom reader to get at the ... the board except for the eeprom and a chip to OR ...
    poglad poglad May 2018 MIA/STP/SDP
  • help with issue 3 48k speccy after recap and new tr4 and tr5I have a 48K speccy that was not working. After recapping and replacing TR4 and TR5 it came back to life However after a short while running weird …

    ... my friends may have a eeprom programmer though.
    redfiat redfiat July 2018 Hardware
  • Raspberry Pi and Arduino Projects.All, So at my work I've just joined a learning community for micro computer and micro controller learning community. for this I recently acq…

    ... office with lol shield, I2C EEPROM programmer, lots of things.
    Spex Spex February 2019 Chit chat
<1…891011121314>

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Related Threads

  • ROM replacement using 28C256 EEPROMThought I'd share a quick project I knocked up in order to use a 28C256 EEPROM in place of the standard 23128 ROM in the Spectrum.<br /> <br /> The c…
  • Replacing +2/+3 rom with eeprom?Hi<br /> <br /> I want to change my +2a to +3e (or +2e). Garry mentions that 27C256 eprom can be used. I would like to use 28C256 instead. Pins are n…
  • Divide Eeprom - Write Protect FeatureDivIDE interface can contain two types of eeprom chip:<br /> <br /> EEPROM AT28C64 (without write protection, always rewritable)<br /> [url]http://ww…
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