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<1234567…34>
  • DIVIDE PLUS - new memory mode DIVIDE128Divide PLUS contain 512kB sram + 512kB flash eprom. Memory paging in this device is enable on two different ports : 1) port #E3 is compatible with o…

    ... = access to 128kB ram for divide system.

    Divide ram paging bits on ... flashed in DIVIDE PLUS rom.

    If anyone can test this ... modified FATWARE on real DIVIDE PLUS, please ...
    velesoft velesoft June 2013 Hardware
  • ZXSpin 0.61 Available nowHi all! Well, after a lengthy few testing cycles, I'm taking the plunge and uploading the latest version of ZXSpin, to replace the rather aged old 0…

    ... release (many added during the "test" phase):

    - Added ... page.

    - Added DivIDE emulation. This was a pain ... to import binaries into the DivIDE EEPROM/RAM pages.

    - ... option to re-initialise the DivIDE.

    - Added ...
    Dunny Dunny December 2006 Emulators
  • Broken ram or what?Hi! I own ZX Spectrum 48K. When i run command PRINT PEEK 23732 + 256 * PEEK 23733, I should get answer 65535? But i get 49151. In my machine the upp…

    ... /> I also have a test program which can test ram. It also says ... that machine has broken ram. And ... if i remove upper memory chips, test program ...
    lillaolle64 lillaolle64 July 2010 Hardware
  • DIVIDE - test of stabilityAs first is here utility for testig stability of reading sectors from IDE device (CF,HDD,SDtoIDE,MMCtoIDE....) Author of utility is MTS [url]http:/…

    ... /> After load TAP file on divide program show IDE info and ...
    velesoft velesoft July 2012 Hardware
  • Blown standard divideI recently bought a SIY divide kit from Papaya labs and after i soldered everything, it worked perfectly. I've used it 5-6 times without problems (Fa…

    ... and you connect the divIDE to your Spectrum it has ... all GALs to do this test? So if i remove ... what? You mean RAM or ROM of the Divide blown?
    ... (the one that the divide possibly died on).
    ... />
    Is the divide's RAM chip easily found on electronics ...
    gtsamour gtsamour April 2008 Hardware
  • DivIDE on Spectrum +3Hi all, Is it possible to use the DivIDE on the Spectrum +3 in 128K mode? I have the 'A' jumper set on the board, but my +3 resets into 48K mode wit…

    ... then I use divide's RAM in the low 16k ... I added divide check and I always use divide ram if ... value:

    TEST DI
    LD A,xxxxxxx0 ... OUT (227),A ;connect divide ram
    LD A,(8192)
    OUT (227),A ;disconnect divide memory
    RET
    ...
    velesoft velesoft February 2009 Hardware
  • Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…

    ... :-) Can anybody test it on ZX Spectrum with DIVIDE PLUS ?
    ... 15(number of virtual divide) to DIVIDE number 0 with ... This enable use DIVIDE systems on DIVIDE PLUS with problematic KEMPSTON ... read configuration bytes from DIVIDE PLUS ram page(31). My menu ...
    velesoft velesoft November 2010 Hardware
  • Issue 2 Failed 48k to 128k upgradeI have been trying to upgrade my Issue 2 with the help of Velesoft, using this schematic; [IMG]http://i764.photobucket.com/albums/xx284/arioch1973/4…

    ... Issue 4S, running DivIDE test bios to verify that RAM is good.
    Johan1973 Johan1973 August 2012 Hardware
  • Sudden death of ZX Spectrum 48KHello A friend gave me a 48K rubber keyed Spectrum. I brought it home, hooked it up to my little TV and powered it up. I was very happy to see t…

    ... be possible to use a DivIDE+. I have one, but ... store a test program in the battery backed RAM, but again ... ZXC4 with a ROM based RAM test. It's not cheap, ... can also be used to test RAM as well as be used ... /zx-diagnostics
    That test program can run on any ...
    1024MAK 1024MAK December 2015 Hardware
  • Spectrum 128k +2 grey and EPROMhi all, i am try to fix my spectrum, right now i am little on dead end... i think a good idea is to test RAM/ROM on the Spectrum so i will try to c…

    ... a good idea is to test RAM/ROM on the Spectrum so ... to load

    a test RAM software from here [url]http ...
    xaris_sm xaris_sm March 2013 Hardware
  • New stable version ZEsarUX-4.2Hi everyone! I have uploaded a new stable version of ZEsarUX emulator, version 4.2. You can download it from: https://sourceforge.net/projec…

    ... emulation
    Added Z88 Hybdrid (RAM+Eprom) Card support
    ... br /> Added setting to change DivIDE/DivMMC RAM
    Added tape browser ... want
    Fixed divmmc/divide were disabled when doing smartload ... demos with display page change (RAM 5&7) on ...
    chernandezba chernandezba December 2016 Emulators
  • +2 Black Boot Rom Selectionhello, i have a custom ROM with a test RAM software burned in that i have used before to troubleshooting ram problems on my +2 grey, is there a…

    ... a custom ROM with a test RAM software burned in that i ... have used before to troubleshooting ram problems on my +2 grey ... can use this custom 27c256 ram tester on my +2 black ... to check for ram problems?
    i know that ...
    xaris_sm xaris_sm June 2017 Hardware
  • ZX Spectrum Issue 4S composite video fuzzy (horizontal blur)Dear people of WoS, Thank you very much for taking the time to read. I have an Issue 4S I recently acquired and planned to fix up as a gift for a…

    ... what I have done:
    Test on another TV also with ... Divmmc Future play ManicMiner
    Test RAM with Brendan Alford's "ZX ... closely resemble the ‘working’ IC test voltages show on the WOS ...
    handsfelloff handsfelloff January 2018 Hardware
  • ZX-81 Ram Pack problemHi! I know this is a ZX Spectrum forum, but I am hoping someone here might be able to help me out... I have posted this to c.s.s. but noone was able…

    ... ? Might be a good test.
    RAM works. Memory test is fine... just ... works as this isn't RAM dependant.. I presume.

    Spirantho Spirantho September 2005 Sinclair Miscellaneous
  • Spectrum Issue two problemI managed to bring back to life a issue two spectrum (at least the power supply cirquit). The screen is now crystal clear (after replacing all the el…

    ... a couple more things than RAM, but if the machine ... makes the CPU fill all RAM with 02 hex, then ... , then you have bad lower RAM.

    I had ... the CPU would not even test RAM) or even the EPROM I ... replaced the lower eight 16Kx1 RAM chips with a single 64Kx8 ...
    Marcelo Marcelo January 2007 Hardware
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... all work on the actual divIDE test boards (both loading normally and ... />
    Not tried an actual DivIDE Plus Board with a +3 ... , no peripherals installed other than DivIDE with FATware 0.12 and ...
    rwap rwap January 2007 Development
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... scheme to provide a DiviDE with 512K RAM and 512K ROM - I ... and Q7 select the mode (DivIDE, ROM, RAM, reset).
    - Q5 must ... for ROM/RAM modes and 32kB area
    for DivIDE mode (Q0 ... - when set in ROM/RAM mode, DivIDE traps are enabled with selected ...
    rwap rwap January 2007 Development
  • TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…

    ... - it HAS to be upper RAM or A15

    I ... me a short routine to test RAM.
    DEATH DEATH March 2007 Hardware
  • Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …

    BASIC programs that test RAM are really slow and ... search, I found two RAM-testing programs today written ... yet find one called "48K RAM test" - which would be more ... parts of RAM (like the system variables), test that area ... point, in order to test the area it is ...
    Digital Prawn Digital Prawn January 2009 Games
  • DivIDE on Spectrum +3Hi all, Is it possible to use the DivIDE on the Spectrum +3 in 128K mode? I have the 'A' jumper set on the board, but my +3 resets into 48K mode wit…

    ... damaged.[/QUOTE]

    DIVIDE memory ram/rom will return data if ... . But in low 16kB is ram page and +3 return also ...
    velesoft velesoft February 2009 Hardware
  • DivIDE on Spectrum +3Hi all, Is it possible to use the DivIDE on the Spectrum +3 in 128K mode? I have the 'A' jumper set on the board, but my +3 resets into 48K mode wit…

    ... ,3 when there is NO divide connected... so that is good ... connected then I use divide's RAM in the low 16k. Good ... thing I added divide check and ... I always use divide ram if it ...
    Tom-Cat Tom-Cat February 2009 Hardware
  • The [You] awardsI'm bored, so I thought I'd do the traditional ewgf Spectrum awards, for the first time ever. Once you've ignored my post, please post your own winne…

    ... ]Best Spectrum peripheral: [/B]Now: DivIDE, Then: RAM Music Machine
    [B ...
    trellis trellis June 2009 Games
  • ANN: ResiDOS v2.25 and +3e ROMS v1.38 releasedA major new release of ResiDOS, v2.25, is now available! The most important new features are commands and functions allowing new extended streams an…

    ... write RESIDOS version for original DivIDE (32kB ram), but only first two ... 16kB pages can be in DivIDE memory ... ) from virtual memory on HDD. DivIDE support true allram mode with ... OUT 227,128 = connect 8kB DivIDE eeprom with new bios and ...
    velesoft velesoft July 2009 Hardware
  • ANN: ResiDOS v2.25 and +3e ROMS v1.38 releasedA major new release of ResiDOS, v2.25, is now available! The most important new features are commands and functions allowing new extended streams an…

    ... write RESIDOS version for original DivIDE (32kB ram), but only first two ... 16kB pages can be in DivIDE memory ... ) from virtual memory on HDD. DivIDE support true allram mode with ... OUT 227,128 = connect 8kB DivIDE eeprom with new bios and ...
    glancaster glancaster July 2009 Hardware
  • Splitter & fixer & Kempston joystick interfaceI'm thinking of developing a small interface that combines these three elements: 1. A splitter like the [URL="http://www.worldofspectrum.org/infosee…

    ... will use first 32kB of DIVIDE PLUS ram and ROM page 1 ... possible install on DIVIDE PLUS systems for original divide only, but ... other DIVIDE systems placed in virtual divide 1-15. Only virtual divide ... (data collision between JOY and DIVIDE PLUS:
    [url]http ...
    velesoft velesoft November 2010 Hardware
  • Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…

    ... ;number of ram page in 512kB ram in divide plus (ram 0-31)
    divide plus use different ram pages in DIVIDE PLUS memory ... -7 (can destroy ram data of installed divide systems DEMFIR,+DIVIDE,MDOS3) or ...
    velesoft velesoft November 2010 Hardware
  • DivIDE circuit/logic specsIs the hardware of the DivIDE documented, particularly the contents of the GAL/PAL chips? I'm looking to write a VHDL implementation of it. So far I…

    ... ;507542]'+' missing, sorry for confusion. DivIDE should be definitely supported to ... used small upgrade for original divide... (big ram, new features...)
    velesoft velesoft January 2011 Hardware
  • ZX Spectrum 48k issue 3b power problem?Hi :) I was lucky enough to find a couple of ZX Spectrums at a car boot sale yesterday. I spent the evening fiddling about with one (issue 2) and t…

    ... do I check whether the ram 4116 chips are working okay ... 't know any method to test RAM only with a multimeter. Even ... ( Winston) that it makes some RAM test and help me in my ... EPROM with Sinclair rom test and fruitcake 128K RAM test.

    Bye ...
    Jose_Leandro Jose_Leandro April 2011 Hardware
  • Classics ported or cloned on good ol' SpeccyHi, Spectrumists! I'm a fan of classic arcade games and I would like to know from you what do you think about ports or clones of such games on the S…

    ... relpace zx rom with divide 16kB ram memory and place from ... install custom rom image to DIVIDE ram:
    DI
    ... image from zx ram 49152-65535 to divide ram pages 3+0 ... and 8192-16383 writeable ram. CPU can't jump ... to this adress disconnect divide memory).
    velesoft velesoft November 2011 Games
  • Classics ported or cloned on good ol' SpeccyHi, Spectrumists! I'm a fan of classic arcade games and I would like to know from you what do you think about ports or clones of such games on the S…

    ... can relpace zx rom with divide 16kB ram memory and place from ... install custom rom image to DIVIDE ram:[/QUOTE]
    Unfortunately, there ... Pac-Man ROM also uses RAM locations &4000-5080, ... setup. But I think the DIVIDE only supports replacing the first ...
    obo obo November 2011 Games
<1234567…34>

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