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Search Again :: Adv Search 1000 results in 0.016s
<1234567…34>
  • Fully refurbished ZX Spectrum 48K boards incl. ULA- Including ULA (version that [URL="http://www.bytedelight.com/?p=41"]corresponds to the board issue[/URL] - click to find out more about ULA version…

    ... diagnostic cartridge
    - Tested with DivIDE (performed NEC ROM fix if needed)
    - Tested ...
    bverstee bverstee February 2015 Sales
  • DIVIDE versus ZX128 ROMDivide interface use hardware mapping of extra memory on this fixed points in 48rom: #0000 - power-on/reset/rst0/software restart #0008 - syntax erro…

    ... part of Divide systems often connect only 48rom(rom 1) after ... />
    Divide system can use autodetection of zx rom type (detect ... then this ZX128 rom can be compatible with Divide memory mapping. ... for compatibility 128editor with divide and area #3Dxx can ...
    velesoft velesoft February 2013 Development
  • divIDE interface not workingA while ago I bought a divIDE interface for my two spectrums (one is a 48k rubber keyboard one, the other is a 48k Spectrum plus). Sadly I never actu…

    ... while ago I bought a divIDE interface for my two spectrums ... br />
    This is the divIDE interface that I bought: http ... apparently spectrums with NEC ROMs have issues with the divIDE. Both of ... my Spectrums sadly have a NEC ROM. So ...
    r00li r00li June 2018 Hardware
  • How can I get Residos to work with SpecEmu divIDE Emulation? Residos ROM?Someone got Residos (current version 2.30) working with SpecEmus divIDE-Emulation? Where can I get the needed 8k-ROM/.BIN-File as SpecEmu needs e.g. …

    Someone got Residos (current version 2.30) working with SpecEmus divIDE-Emulation? Where can I get the needed 8k-ROM/.BIN-File as SpecEmu needs e.g. for divIDE-esxDOS-Emulation?!
    Luzie Luzie September 2019 Emulators
  • 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…

    ... input buffer (inside the ROM chip) as '0'. ... be done on the DivIDE itself.
    I ... strategy how to solve DivIDE incompatibility, the first thing ... NEC rom inside the Spectrum and BC337's are used on the DivIDE ... If problems remain after that fix, it must be the ...
    bverstee bverstee December 2012 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…

    ... :) Happy you found a simple fix.

    [QUOTE=bverstee;670106 ... a resistor, and the DivIDE conquers the NEC rom 8)

    /RD ... junction to /OE of the rom; pin 22.

    Of ...
    Johan1973 Johan1973 December 2012 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…

    ...
    1. ESXDOS on a DivIDE 57c has the same problem ... ZX Spectrum 48K with NEC rom as the 128K FATWare ... is to apply the fix described earlier (updated version ... 't know if the DivIDE 2K11 has this problem; ... the problem with the NEC rom inside ZX Spectrum 48K ...
    bverstee bverstee August 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…

    ...
    1. ESXDOS on a DivIDE 57c has the same problem ... ZX Spectrum 48K with NEC rom as the 128K FATWare ... is to apply the fix described earlier (updated version ... 't know if the DivIDE 2K11 has this problem; ... the problem with the NEC rom inside ZX Spectrum 48K ...
    velesoft velesoft August 2013 Hardware
  • divIDE won't work with an Issue 6AHi all. I have this Speccy 48K board that won't work with my divIDEs. The problem isn't related to the Z80, as it worked with the divIDE when put in…

    Ben Versteeg identified NEC roms on the speccy as a potential problem with DivIDE's.

    If you have a NEC rom in your spectrum, try this fix:

    [url]http://www.worldofspectrum.org/forums/showpost.php?p=719109&postcount=103[/url]
    Rorschak Rorschak April 2014 Hardware
  • divIDE won't work with an Issue 6AHi all. I have this Speccy 48K board that won't work with my divIDEs. The problem isn't related to the Z80, as it worked with the divIDE when put in…

    ... elegant fix for this. I had also problems with the NEC ROM in ... working fine with Ben's DivIDE interface.
    jimre jimre April 2014 Hardware
  • Issues with 48k spectrum and divIDEI heard you can have all kinds of issues with 48k spectrum and certain DivIDE models. Is this true and if so what should I look out for ? Only aski…

    ... DivIDE working with a Spectrum ISSUE 4B. It had Zilog Z80A, NEC ROM ... the reset. I did the "NEC ROM fix" I have mentioned in my ... for DivIDE improved a little (Of course with the fix, without ... different piece) and the same DivIDE adapter with a Spectrum + ...
    jimre jimre July 2014 Hardware
  • Issues with 48k spectrum and divIDEI heard you can have all kinds of issues with 48k spectrum and certain DivIDE models. Is this true and if so what should I look out for ? Only aski…

    ... DivIDE working with a Spectrum ISSUE 4B. It had Zilog Z80A, NEC ROM ... the reset. I did the "NEC ROM fix" I have mentioned in my ... for DivIDE improved a little (Of course with the fix, without ... different piece) and the same DivIDE adapter with a Spectrum + ...
    Dan Antohi Dan Antohi July 2014 Hardware
  • Issues with 48k spectrum and divIDEI heard you can have all kinds of issues with 48k spectrum and certain DivIDE models. Is this true and if so what should I look out for ? Only aski…

    ... version of Ben's DivIDE. Both machines ( ... NEC ROM fix mentioned above is still needed. I reverted the NEC ROM modification and DivIDE ... didn't initialized as on my other 48K Spectrum with NEC ROM ... , but without the fix.

    jimre jimre July 2014 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…

    ... 's an updated document for NEC ROM fix for DivIDE:

    [URL="http ... ://benophetinternet.nl/hobby/vanmezelf/NEC%20ROM%20fix ... "]http://benophetinternet.nl/hobby/vanmezelf/NEC%20ROM%20fix%20for%20the%20DivIDE ...
    bverstee bverstee February 2015 Hardware
  • Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…

    ... new keyboard membranes to fix a couple of machines ... machines with the OpenSE ROM (or similar ROM which tokenizes).
    ROM. Both the ROM's chip ... - so basically, the ROM itself combines the /ROMCS ... General Instruments or a NEC ROM, in the case of ...
    Winston Winston August 2012 Hardware
  • ZX mask ROM chips curiosityJust out of curiosity... what willl happen if we have a Hitachi ROM and the bridging onboard is on the N positions (for NEC)? While I was searching …

    ... we have a Hitachi ROM and the bridging onboard ... on the N positions (for NEC)?

    While I ... issue that was set for NEC rom but the chip (socketed) ... fine, and passes the ROM test on the Sinclair testing ... of the factory, no rom has been replaced and no ...
    gtsamour gtsamour February 2013 Hardware
  • ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…

    ... ZX Spectrum 48K with unmodified NEC rom: OK (DivIDE with ESXDOS fails with ... ZX Spectrum 48K with other rom: OK
    - 3x ZX Spectrum ...
    bverstee bverstee September 2013 Hardware
  • Switching between +D and DivIDEI want to add a switch between +D and DivIDE. I think, soldering a switch between MEMRQ1 and MEMRQ2 + IOREQ1 and IOREQ2 of both Interfaces and Spectr…

    ... t need.[/QUOTE]

    Divide need also modified ROMSC output ... . After OUT 227,128 Divide block internal rom in ZX. If mreq ... for divide is disabled and ... will without any rom data). For correct fix: ROMCS from DIVIDE must go ...
    velesoft velesoft January 2010 Hardware
  • Question about divide +Hi A friend has sent my a faultly divide + to see if I can repair it. If I use this divide+ with a spectrum 48K (That works perfectly with my stand…

    ... 512kB rom = on DivIDE Plus is 512kB rom + 512kB ram = 1MB memory. Divide Plus ... data bus in ZX Spectrum. Fix this problem is very easy ... (full usable on DivIDE Plus)
    2) fix vector value on data ...
    velesoft velesoft May 2011 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…

    ... DivIDE, and others didn't.
    So I'm sure the rom ... ZX Spectrum 16/48K and DivIDE 57c.

    This time ... a bit more concrete: all NEC roms failes, the Sinclair ones ... , people who have a NEC rom and problems with DivIDE, can try the ...
    bverstee bverstee December 2012 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…

    ... as replacement for the rom. Simply added an Or ... complex solution for original rom, to feed the right ... (pin 22) of the NEC rom, using two NOR gates: ... now that the NEC rom is causing DivIDE incompatibility, and how ... of the rom (that is /CS on the NEC rom) is ...
    bverstee bverstee December 2012 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…

    ... a resistor, and the DivIDE conquers the NEC rom 8)

    [IMG ... junction to /OE of the rom; pin 22.

    Of ...
    bverstee bverstee December 2012 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…

    ... the 2N7000 with several DivIDE interfaces and a NEC rom inside the Spectrum ... .

    The ZX Spectrum with DivIDE ...
    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…

    ... 've tested my 5.7c divide on more that 20 machines ... /> I encounter problems on every NEC rom inside the ZX Spectrum.
    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…

    So only divIDE is not working on these NEC ROM machines ?
    Spectranet/Interface 1 work ok ?
    I will check on my NEC ROM ZXes, but I have only divIDE that uses M1.
    kpuchatek kpuchatek 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…

    ... ;675966]So only divIDE is not working on these NEC ROM machines ?
    NEC ROM ZXes, but I have only divIDE that uses ... M1.[/QUOTE]

    DivIDE 57c (with FATware, maybe ESXDOS ... every 48K ZX Spectrum with NEC rom.
    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…

    ... test a DivIDE on some of my NEC-equipped computers ... DivIDE 57c with FATware on a ZX Spectrum with NEC rom does ... is that probably the NEC rom enters a power saving ... out from. The Hitachi rom does not have this ... output enable from the NEC rom to ground, so it ...
    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…

    Checked it: the test board I'm currently using has the wires set to 'N'.
    But I'm sure I tested it on other boards too.

    Every board with a NEC rom I had in hands had troubles with the DivIDE 57c.
    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…

    ... a NEC rom I had in hands had troubles with the DivIDE 57c ...
    roko roko 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…

    ... that both had the NEC D23128C 057 rom soldered on them.
    Divide 5.7c and both of ... something gone bad on your divide I guess....
    Mine works ... far (with or without a NEC rom) and I'm talking more ...
    gtsamour gtsamour January 2013 Hardware
<1234567…34>

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