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<1…17181920212223…34>
  • Some 48k+ packages for saleSoon! Rwap is sending over a few membranes for 48k+ machines, so far, got two fully functional (and looking good!), soon as the membranes are in the…

    ... to use a sinclair joystick interface. that emulates numbers / kybd presses ... /> i use an interface 2 to detect lower ram probs.. if horace ... pinpoints it to the first chip that it's replacing
    fog fog February 2011 Sales
  • Z80 Edge Connectors - ProjectsHello there my fellow Spectrum-mites I am looking to source a few of these connectors - while I could just rework some old ISA socket for proto's I …

    ... with 16k RAM pack, CurraSpeach unit and a Kempston interface!
    ... br /> Amiga A500+ (2MB Chip 8MB Fast + 3.5GB HDD ... )
    Amiga A600 (2MB CHIP + 4GB MicroDrive HDD)
    ... /> MicroDrive
    RAMTurbo
    Kempston Interface
    DivIDE

    ...
    Zetr0 Zetr0 March 2011 Hardware
  • Z80 Edge Connectors - ProjectsHello there my fellow Spectrum-mites I am looking to source a few of these connectors - while I could just rework some old ISA socket for proto's I …

    ... about electronics and the Z80 chip, but the ULA and its ... and maybe a 16bit IDE interface on it =)[/QUOTE]

    I think its possible. perhaps interface 2 does something like that ... ?
    +3 can map RAM page in ROM area, so ...
    orange orange March 2011 Hardware
  • T/S 2068 & SpectrumBorrowing what you see below from the Timex Sinclair 2068 Beginner/Intermediate Guide, by Fred Blechman. It appears the T/s 2068 was intended to be …

    ... capability came from the AY chip, which was adopted by Sinclair ... command is a raw interface with the AY chip (sequences of register ... be occupied by smart peripherals, RAM, ROMs (interfacing with the basic ... spillover in another 8k ROM chip. This led to the ...
    Alcoholics Anonymous Alcoholics Anonymous March 2011 Hardware
  • Memory upgrade for ZX Spectrum 16/48This is external memory upgrade for ZX Spectrum models with 16kB ram. Can be connect also to 48kB models, but need remove 8 dram chips (from sockets …

    ... drive in 1MB ram. In combination with DIVIDE interface will theoretically possible ... to 128K, so such an interface would be interesting for me ... versions of firmware for GAL chip will exist. You can only ... replace GAL chip for change features. As next ...
    velesoft velesoft March 2011 Hardware
  • DivIDE questionsHi All, I'm the proud owner of two DivIDE interfaces, that I have just "inherited" from a friend. One of them is the original one and the other one …

    ... use a Kempston joystick interface with my divIDE with ... line on the Z80 chip in those instances, so ... of the battery backed RAM on the DivIDE Plus, ... which uses the battery backed RAM).[/quote]

    ... is less susceptible to RAM corruption than that device, ...
    chev chev April 2011 Hardware
  • DivIDE questionsHi All, I'm the proud owner of two DivIDE interfaces, that I have just "inherited" from a friend. One of them is the original one and the other one …

    ... , everybody can create own ROM/RAM contents and selector.
    Velesoft ... something more useful like AY+Interface 2 two-joystics board :-)[/QUOTE ... />
    interface 2 ? This is only slot for external rom chip. If ...
    velesoft velesoft April 2011 Hardware
  • GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…

    ... fan of the Mac OS interface but I still like the ... Processor,
    Yamaha YMF262 Sound Chip
    and lots of RAM :P
    Rebelstar Rebelstar May 2011 Development
  • 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…

    ... use only 32kB ram as original DivIDE interface. 512kB ram is organized as ... with MB02+ interface. In this mode is used 16kB ram/rom paging ... easy - connect my K-MOUSE TURBO interface and IM2 vectors in your ...
    velesoft velesoft May 2011 Hardware
  • Question about DivIDEHi guys, Tell me this... (please) DivIDE features an "auto-mapping feature transparently maps shadow ROM at important entry points". Depending on …

    ... write protected ram+next 8kB ram)
    2 ... ram + 512kB rom.

    ----------------------------------------------------------------------------------------------------------------------------------
    Firmware of GAL22V10 chip in DIVIDE interface ...
    velesoft velesoft June 2011 Hardware
  • Prototype case for original DivIDESomeone has posted some pictures of a prototype case which they have developed in perspex for the original DivIDE - it has a sliding top to allow acc…

    ... /> Impossible. DivIDE interface need external ram and rom chip + PLD chip with programmable logic ...
    velesoft velesoft July 2011 Hardware
  • Prototype case for original DivIDESomeone has posted some pictures of a prototype case which they have developed in perspex for the original DivIDE - it has a sliding top to allow acc…

    ... ]Impossible. DivIDE interface need external ram and rom chip + PLD chip with programmable logic ... do all those within one chip, because even ZX Spectrum can ...
    maiki maiki July 2011 Hardware
  • List of existing games that needs a port to zx spectrumPlease post here the games that exist in other platform(s) but does not exist in speccy. Please keep in mind this is not a to-do list, so don't hesti…

    ... very similar, as were the RAM constraints and storage limitations.
    interface GEM. Much of the original ... faster Z80 CPU, more RAM, better sound chip and/or dedicated Z80 ...
    Rebelstar Rebelstar July 2011 New game ideas
  • ZX80 Games on your +2A/+3Hi all. Was just having a talk on irc about Paul Farrow's ZX80 games and his emulator for 128k Spectrums and IF2 and since I remembered I got them r…

    ... +3 allram mode if DivIDE interface is connect.

    ... DivIDE models with R'GAL chip and need before allram activation ... allram mode with two 16kB ram pages with selectable writeprotect. Similar ... FATWARE can work on 16kB ram (next ram use fatware only for ...
    velesoft velesoft July 2011 Games
  • Challenge Sprint 4x tape recorderHi, I noticed a [url="http://www.worldofspectrum.org/infoseekid.cgi?id=1000051"]Challenge Sprint[/url] on eBay, and checked out the WoS entry for it…

    ... , both points are connected) the interface is disabled.
    [center][img ... the above PCB. The large chip is the ROM, a N82S141N ... byte PROM. The only analog chip I've seen in the ... was designed for a 16K RAM Spectrum, so it loads entirely ...
    mcleod_ideafix mcleod_ideafix August 2011 Hardware
  • IDE Hard Drive on your Spectrum!Hello there my fellow WoS'ers Today, I am going to share with you something that has truly captivated me over the last couple of months, some of you…

    ... in ZX128+2. Contain 1MB ram + 512kB rewritable flash eprom. Use ... in FLASH EPROM chip or emulated in 1MB ram. Exist flash utility ... comfortable programming flash eprom chip on ZX. This interface is best for ...
    velesoft velesoft August 2011 Development
  • Requesting a little help to identify the purpose of this 'add-on' to my Issue 2Hi everyone First of all it's my first post here so please go easy on me! I'm grateful to be accepted into your fine little club :smile: I probabl…

    ... old Comcon programmable joystick interface in the attic from ... well for my upper ram! Does this mean that ... ram chips are caboosed? As I understand it each chip ... it likely all the ram chips are bad or ... logic chips which control the ram which are bad?
    ...
    cmonkey cmonkey October 2011 Hardware
  • Dead 128K heatsinkUnfortunately my 128K heatsink died suddenly and with no apparent reason. I had the Kempston Pro interface connected and when i powered it on the ztx…

    ... . I had the Kempston Pro interface connected and when i powered ... searching for a bad memory chip (shorted) but before I start ... /> If 4864 is a 64Kx1 ram chip, the answer is yes. The ...
    Jose_Leandro Jose_Leandro November 2011 Hardware
  • Distinguishing between models?I'm running the risk of being pointed to the faq here, so sorry in advance. Something I'm trying out requires that the program can distinguish betwe…

    ... users replace old HAL/PAL chip in ZX128/+2 with ... new GAL16V8 (UMBRELLA). This chip remove snow effect(screen raining ... adress space will with this chip different than on original ... is detected then test if ram page 1 is slow ( ... +2A with external FDD interface)
    velesoft velesoft November 2011 Development
  • Dud 48K rubber key versionMy Rubber key speccy has been dud for quite some time, but I've just not bothered with it as I also have a Spectrum + and a +3. The problem is this…

    ... and tests that. If your RAM chip has an addressing error, ... possibly won't notice the RAM is bad. That way ... game will load into bad RAM, it'll run itself ... you changed, you have bad RAM.
    It's worth ... a problem involving my DivIDE+ interface. My first port of ...
    Alien 8 Alien 8 November 2011 Hardware
  • MB02+IDE aliveLast weekend I finished soldering and testing my MB02+IDE. All items work perfectly on +2 grey, on +2A, on 128k heatsink and on 48k Issue2 and 3b tes…

    ... -RAM (bufferd by a lithium cell), Z80 DMA chip, realtime clock, IDE interface ... , 3 parallel ports using 8255 chip including possibility to use it ... you would pay for that interface, to know if it would ... make any cases for the interface but I could try to ...
    ingo ingo December 2011 Hardware
  • Would anyone be interested in......Hi, I'm wondering if there would be much interest in an expansion card for the speccy that gives a VGA output with enhanced gfx & sound capabilities…

    ... is impossible on K-MOUSE TURBO interface. This interface use only mouse or ... />
    Original old Kempston mouse interface use same port adressation as ... original old Kempston joystick interface. Both interfaces kan't be ... and smd version of CPLD chip.
    velesoft velesoft January 2012 Hardware
  • Cheetah Midi interface for ZX SpectrumHi, does anyone know how to get this hardware? [URL="http://www.worldofspectrum.org/hardware/feat36.html"]http://www.worldofspectrum.org/hardware/fe…

    ... a keyboard to MIDI Out interface, but this was a long ... .
    If you have the interface, what type of connector is ... RAM Music Machine use samples as playback rather than the AY chip ...
    Spex Spex February 2012 Wanted
  • Internal ROM expansionHas anybody designed a multiple-ROM interface that plugs into the internal ROM socket instead of plugging onto the edge connector? It would be useful…

    ... reprogrammable from ZX
    1024kB ram - for rom emulation, ramdisc, ... interface enable very easy modification and testing on new roms in RAM ... mode (write protected ram is used ... direct to flash eprom chip. Profi interface use 32kB rom blocks ...
    velesoft velesoft February 2012 Hardware
  • Best current ide /flash interfaces? and re harlequin cloneHi I have a few 48k rubber-key spectrum's, a harlequin clone board :) on order and 1 (one) divide+ interface. I was hoping zetro's simple IDE woul…

    ...

    [FONT="Fixedsys"]
    Interface 1-bis for the Sinclair ... 1. Main Features
    The 'Interface 1-bis' for the Sinclair ... compatible with the SINCLAIR ZX INTERFACE (1)


    - One static RAM chip of 32, 128 or 512 ...
    Dan Antohi Dan Antohi February 2012 Hardware
  • SIDBlaster/ZX - new soundcard for ZX-SpectrumThis soundcard is for ZX-Spectrum compatible computers. It uses in its work MOS Technology SID soundchip, which together with MOS Technology 6510 mic…

    ... using some kind of IEC interface, I think. Impressive work, but ... need then is a SID chip with some glue-logic to ... memory map using 64K of RAM.
    mcleod_ideafix mcleod_ideafix February 2012 Announcements
  • SIDBlaster/ZX - new soundcard for ZX-SpectrumThis soundcard is for ZX-Spectrum compatible computers. It uses in its work MOS Technology SID soundchip, which together with MOS Technology 6510 mic…

    ... using some kind of IEC interface, I think. Impressive work, but ... need then is a SID chip with some glue-logic to ... memory map using 64K of RAM.[/QUOTE]

    This is ...
    BYTEMAN BYTEMAN February 2012 Announcements
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... chip is very easy.

    Nethertheless it is the best interface ... />
    It gives the Spectrum RAM for its whole memory space ...
    ingo ingo February 2012 Hardware
  • 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?…

    ... -- ULTIMATE -- 512kb sram, kempston, Ay interface in one board vertical inserted ... AY circuit but leave the chip out, so that people who ... better sound). But really, the RAM available in the original divIDE ... can hook up as much RAM as you like, but what ...
    chev chev June 2012 Hardware
  • The need of having a 257-byte table for IM2 routinesThis came from a discussion at the speccy.org forum. I have understood that the reason behind the 257-table for IM 2 routines is due to certain joys…

    ... space in ZX ram.

    K-MOUSE turbo interface during IM2 interrupt ... vector #FF.

    PROFI interface also make vector #FF via ... and must be in fast ram (screen no rain)
    velesoft velesoft August 2012 Development
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Latest Posts

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