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<1…12131415161718…34>
  • DIVIDE 2k11hello, just short link - for Your info (cpld, 4 layers, rohs, cpld code for future development for clones..) [url]http://lotharek.pl/product.php?…

    ... ;631230]IN PLANS -- ULTIMATE -- 512kb sram, kempston, Ay interface in one ... RAM available in the original divIDE is plenty. You can hook ...
    chev chev June 2012 Hardware
  • DivIDE Plus tech support?Hi! I'm trying to fix a damaged DivIDE Plus. The thing keeps cycling in the boot screen. As there are no schematics (besides the Diwi 212 prototype…

    ... trying to fix a damaged DivIDE Plus. The thing keeps ... swap chips with a working DivIDE Plus. This is how ... m suspecting of a bad SRAM issue, but I'm ... device? Or will our DivIDE Plus render useless forever as ... constructed the last batches of Divide+, and may be able ...
    Hercules Hercules July 2012 Hardware
  • DivIDE Plus tech support?Hi! I'm trying to fix a damaged DivIDE Plus. The thing keeps cycling in the boot screen. As there are no schematics (besides the Diwi 212 prototype…

    ... trying to fix a damaged DivIDE Plus. The thing keeps ... swap chips with a working DivIDE Plus. This is how ... m suspecting of a bad SRAM issue, but I'm ... device? Or will our DivIDE Plus render useless forever as ... chips as upgrade for your DivIDE PLUS. Only remove old ...
    velesoft velesoft July 2012 Hardware
  • Altera CPLD vs Xylinx FPGAI will dig into the world of FPGA's, mainly to find something that can replace one or more GALs for my current and new projects. And it's never bad t…

    ... (including GAL's) of the DivIDE - probably have enough room to ... will still need the 32K SRAM and ROM)

    A ...
    Zetr0 Zetr0 January 2013 Hardware
  • A new site for an old projectThe 'Interface 1bis' project site has been moved to: [url]https://sites.google.com/site/interface1bis/[/url] In fact, it's not only a simple relocati…

    ... is the CPLD, because the SRAM’s contribution of 0.5 ... . See, for example, how the DivIDE fares: [url]http://www.worldofspectrum ...
    Dan Antohi Dan Antohi January 2013 Announcements
  • Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…

    ... something gone bad on your divide I guess....
    ... a component on the DivIDE interfaces I made that ... br /> I should test your DivIDE on one of my machines ... send one of my DivIDE interfaces to you to ... used different brands of sram chips, but Atmel AT28C64B ...
    bverstee bverstee January 2013 Hardware
  • Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…

    ... mapping.

    info about divide memory 3Dxx mapping:
    - is ... adress space #3D00-#3DFF then divide in same time disable internal ... ZX rom and connect external divide rom+ram. Problem can be ... both the ROM and the divIDE EPROM/SRAM drive the data bus ...
    1024MAK 1024MAK January 2013 Hardware
  • TQFP Packaged CPLD, Which pin pitch?A quick question for those of you with surface mount experience. I am currently thinking about building a 128k clone, and hopefully have a bit of fu…

    ... of U6. That U6 is SRAM is clear enough, but I ... /> I use 56MHz oscillator to divide to 14MHz, you can use ...
    superfo superfo April 2013 Hardware
  • DIVMMC, a new compact interface for ZX SpectrumAfter a long gestation period and a short period of testing, Mario Prato, member of the Italian [URL="http://apuliaretrocomputing.wordpress.com/"]Apu…

    ... 8 ide ports as DIVIDE. SD cards are connect ... . Theoretically can be old DIVIDE interface connect parallel with DIVMMC ... divide open both jumpers and removed sram and eeprom chips from sockets (DIVIDE ... mapram mode) any old divide system/utility with IDE support ...
    velesoft velesoft June 2013 Hardware
  • Flashing the DivIDE plusToday I've tried to flash my good old DivIDE plus with esxDOS 85 (it already have esxDSO 80 on it). When I start the tap file it asks me to do someth…

    ... Thanks! Worked well and my DivIDE is now also updated! : ... have one idea. DIVIDE PLUS use extra memory sram 512kB and two ... default (normal) mode.

    Divide plus contain FLASH EPROM 512kB ... with 16 different 8kB divide pages for system. For enable ...
    velesoft velesoft June 2013 Hardware
  • DivMMC EnJOY!Coming up... [IMG]http://benophetinternet.nl/hobby/vanmezelf/DivMMC_enjoy_first_render.jpg[/IMG]

    ... software that specifically needs more SRAM on the DivMMC then?[/QUOTE ... pressed (on a standard 32KB DivIDE the screen has to be ...
    phoenix^ra phoenix^ra June 2013 Hardware
  • esxDOS v0.8.5 released (with TR-DOS emulator)Yup, you read right! Now with TR-DOS emulation! More info and download here: [url]http://www.esxdos.org/[/url] Enjoy :)

    ... compatible with the standard 32kB DivIDE. There might be some ... won't hinder the regular DivIDE version development in any ... design follows the DivIDE design closely, except for the SRAM usage: the ... 256KB or 512KB sram sizes, where the DivIDE 57c has only 32KB ...
    bverstee bverstee July 2013 Announcements
  • esxDOS v0.8.5 released (with TR-DOS emulator)Yup, you read right! Now with TR-DOS emulation! More info and download here: [url]http://www.esxdos.org/[/url] Enjoy :)

    ... follows the DivIDE design closely, except for the SRAM usage: the ... 256KB or 512KB sram sizes, where the DivIDE 57c has only ... ?) and correct a couple of DivIDE shortcomings.

    ... said, esxDOS will support the DivIDE, DivIDE+ (possibly in DIVIDE128 mode ...
    phoenix^ra phoenix^ra July 2013 Announcements
  • .SNA snapshot compatability between esxDOS and emulators?Currently I am using a ZX Spectrum 128K (toastrack) with DivIDE Plus (with new GAL's) and esxDOS 0.8.5. It saves and loads 128K .SNA snapshots withou…

    ... need a special version for DivIDE Plus?[/QUOTE]

    I ... ZX Spectrum 128K with the DivIDE Plus [I]disconnected[/I] , I ... ZX Spectrum 128K with the DivIDE Plus connected, I see the ... seen it). Does the DivIDE+ have battery backed SRAM? This would mean ...
    phoenix^ra phoenix^ra July 2013 Hardware
  • .SNA snapshot compatability between esxDOS and emulators?Currently I am using a ZX Spectrum 128K (toastrack) with DivIDE Plus (with new GAL's) and esxDOS 0.8.5. It saves and loads 128K .SNA snapshots withou…

    Warning, DIVIDE PLUS use battery backup SRAM memory, then after power off ... without changes. On original divide interface is sram memory erased after power ... you can remove battery from divide plus or use my small ... utility for divide plus rom (in future)
    velesoft velesoft July 2013 Hardware
  • New multi-interface for ZXI have in development new interface for ZX Spectrum. PCB size is similar as K-MOUSE interface and on board is CPLD (programmable logic), up to 1MB st…

    ... rom emulation/replacement with external SRAM/FLASH EPROM.

    Rom ... can be loaded to external sram memory and used instead ZX ... use paging as TR-DOS, DIVIDE, MULTIFACE, etc...
    velesoft velesoft October 2013 Hardware
  • New multi-interface for ZXI have in development new interface for ZX Spectrum. PCB size is similar as K-MOUSE interface and on board is CPLD (programmable logic), up to 1MB st…

    ... rom emulation/replacement with external SRAM/FLASH EPROM.

    Rom ... can be loaded to external sram memory and used instead ZX ... use paging as TR-DOS, DIVIDE, MULTIFACE, etc...[/QUOTE]

    chev chev October 2013 Hardware
  • DivMMC EnJOY!Coming up... [IMG]http://benophetinternet.nl/hobby/vanmezelf/DivMMC_enjoy_first_render.jpg[/IMG]

    ... is working on a hybrid DivIDE+ZXMMC - it's called the ... features normal DivIDE memory mapping, but >32k SRAM and the SD ... SD card slots and 256K SRAM. As esxDOS is modular, both ... "hybrid" interface, the fusion of divide and zxmmc. Miguel of course ...
    bverstee bverstee November 2013 Hardware
  • New CPU and Spectranet oddity.I have no reason to suspect this problem is due to a fault/poor design of the Spectranet, but understanding what it does at system initialisation may…

    ... make .commands that used the divIDE's SRAM, I would have to ...
    phoenix^ra phoenix^ra January 2014 Hardware
  • Is ESXDOS flexible enough to incorporate e.g. Spectranet commands?I was just discussing the idea with someone about the wish some people have to be able to combine interfaces such as DivIDE (Plus) / DivMMC EnJOY! wi…

    ... adding networking functionality to the divide firmware using the spectranet' ... to spectranet firmware using the divide hardware.

    I ... ROM then return to the divide firmware. It's almost ... for the divide firmware to access the spectranet's SRAM for ...
    guesser guesser February 2014 Hardware
  • Multi Multiface: the projectI posted some updates on Facebook yesterday about the development of the Multi Multiface, but here is the right place to share all technical findings…

    ... /> My multiinterface use big sram memory and memory mapping is ... be emulated in protected sram. (similar functions are ... on finishing. 16bit sram enable adding breakpoints corresponding ... S. - divmmc interface and divide interface enable with esxdos system ...
    velesoft velesoft November 2014 Hardware
  • Multi Multiface: the projectI posted some updates on Facebook yesterday about the development of the Multi Multiface, but here is the right place to share all technical findings…

    ... ZX models, also +2A/+3. Sram memory 512kB, Flash eprom 512kB ... rom or sram. In CPLD is possible implement also divide memory or ...
    velesoft velesoft November 2014 Hardware
  • Multi Multiface: the projectI posted some updates on Facebook yesterday about the development of the Multi Multiface, but here is the right place to share all technical findings…

    ... -up) and software autodetection of sram size (may be used 128kB ... or 512kB sram)
    - full replacement of zx48 ... )
    - emulation of DIVIDE 512kB memory (classic divide, divmmc, divide plus)
    - emulation ...
    velesoft velesoft November 2014 Hardware
  • 128K Spectrum - can't figure out what's wrongLong time no post :) So I have this 128K Spectrum (+2 ROMs) that I cannot for the life of me figure out where the problem lies. Let's take a look a…

    ... .g. NMI, RESET, and the DivIDE's SRAM and buffers.

    DivIDE parts, the DMA controller, and ...
    Phu Phu December 2014 Hardware
  • 64k speccydoes anyone have instructions on how to use the extra 16k found in some spectrums?

    ... do is fit a 16kB SRAM instead of the ROM and ... down on top of the SRAM, and some minor wiring so ... , or you could modify a DivIDE firmware to be able to ...
    Winston Winston September 2015 Hardware
  • 64k speccydoes anyone have instructions on how to use the extra 16k found in some spectrums?

    ... down on top of the SRAM, and some minor wiring so ... , or you could modify a DivIDE firmware to be able to ... ROM were diverted to the SRAM, and then you could flip ... were redirected to come from SRAM as well. (SamRam of course ...
    zub zub September 2015 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…

    ... [/img]

    128-512kB sram for allram mode with paging ... menu.
    MB02+ memory paging, DIVIDE memory paging, TR-DOS memory ...
    velesoft velesoft July 2016 Hardware
  • Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…

    ... .cgi?id=0014539[/url] from divIDE using FATware0.12.

    SRAM brand and what type of ... BSI. Using CMOS CPU the divIDE is very instable especially after ...
    ingo ingo November 2016 Hardware
  • Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…

    ... in several variations. I use divIDE 5.7c and 2K11.

    SRAM:
    UM61512AK-15
    TC551001CP ... />
    I have not BSI SRAM.
    tetroid tetroid November 2016 Hardware
  • Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…

    ... in several variations. I use divIDE 5.7c and 2K11.

    SRAM:
    UM61512AK-15
    TC551001CP ... />
    I have not BSI SRAM.
    [/quote]

    Is ...
    superfo superfo November 2016 Hardware
<1…12131415161718…34>

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