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<1…13141516171819…34>
  • Are turbo loaders worth it?I found turbo loaders fascinating and I've spent quite some time disassembling and trying different types, and they work great when I load the games …

    ... , but looks like my turbo loader that works perfectly in ... some commercial games that use turbo loaders and they load, ... this made me think: are turbo loaders worth it?
    ... I'm not using any turbo; and I didn't ... I decided to not go turbo for now.

    reidrac reidrac March 2016 Development
  • 12V ripple with lower ram installedI repaired a speccy this week. Before doing anything I replaced all caps and measured the transistors in the power section. When doing this I found t…

    ... a problem with the ram. I ran the diagnostics ... and socketed all lower ram. turned the speccy back ... scope. Inserted a lower ram module and the speccy ... Then removed the lower ram module and reinserted all ... original lower ram ic's. Speccy is ...
    patzik patzik April 2016 Hardware
  • Harlequin turbo mode ( 7 MHz )Hi, All. Sorry for my bad english. I make Harlequin mod - turbo mode ( CPU clock 7MHz ) for Harlequin. Could you be so kind to write your opin…

    ... />
    I make Harlequin mod - turbo mode ( CPU clock 7MHz ) for ... img]

    S1 - Turbo switch ( ON - Turbo ( 7MHz ), OFF - Normal ( 3 ... 7 MHz of CLKB in turbo mode.
    Whether the ... different interfaces can demand in turbo mode exactly 3,5 MHz ...
    tetroid tetroid May 2016 Hardware
  • AVR ZX Spectrum from Lisitsin DevelopmentHello! Now everyone can buy ZX Spectrum AVR microcontroller version: http://good-kits.ru/nabory-bloki-i-moduli/zx-spectrum/radiokonstruktor-avr-zx-…

    ... 144 k RAM
    - Pentagon 128 by defoult
    - Turbo Sound
    Vasil Vasil July 2016 Sales
  • Spectrum 48k won't start any software but passes all RAM testsI have a rubber key 48k which will not start any software - it appears to work perfectly right up until the end of the tape and the program would sta…

    ... a problem with the upper RAM however on running the soak ... minutes. I also performed the RAM test detailed here http://www ... longer or look for non-RAM related issues?
    britain4 britain4 October 2016 Hardware
  • Creating a POK from RAM or binary.Don't know if this is the right category or not but here goes. I'm working on a bug fix for a game, it's a few hundred bytes worth of custom code …

    ... said file from a set RAM location or a binary? I ...
    Ersh Ersh October 2016 Development
  • Spectrum 48+ 4S - Upper RAM issue, and now a self-created problem!I recently picked up a known-flaky spectrum off eBay, to have a bit of fun fixing it and reliving youth. It was labelled as 'keyboard duff, shows…

    ... tape version of Balford's ram test diagnostics said the whole ... of upper RAM was faulty (check all ICs ... 've removed all the upper RAM ICs, replaced with sockets and ... .

    Given the lower RAM used to be okay, and ...
    Paulcatchpole Paulcatchpole December 2016 Hardware
  • help with my original issue 3b from when i was a teen. possible lower ram fault.hello, well ive tried to fix my old speccy, but haven't made much progress. could you help me out with some diagnosis. the fault occurred about…

    ... before I order a lower ram set.
    cypher007 cypher007 December 2016 Hardware
  • zx.zigg.net lower RAM replacement module: Still shipping?Hi everyone I'm trying to resuscitate my 48k issue 6a, and I bought the lower RAM replacement module from zx.zigg.net. The paypal payment went thr…

    ... , and I bought the lower RAM replacement module from zx.zigg ...
    Mikelone Mikelone January 2017 Hardware
  • New turbo loader: SetoLOADFor anyone interested in turbo loaders, here is my contribution: SetoLOAD, the fast loading scheme I developed for my [url="http://www.alessandrogrus…

    For anyone interested in turbo loaders, here is my contribution: ...
    Alessandro Grussu Alessandro Grussu January 2017 Brand new software
  • RAM questionI've been meaning to upgrade my desktop pc's ram for ages now as the 4GB it has isn't cutting it anymore but im confused about what ram my motherboar…

    ... my desktop pc's ram for ages now as ... but im confused about what ram my motherboard will support.< ...
    The motherboard has 4 ram slots 1 taken by the ... i dont know what ram is compatible and what ...

    in its ram section for the motherboard but ...
    festershinetop festershinetop March 2017 Chit chat
  • ZX81 Ram pack problemI got recently Sinclair 16k memory expansion for my ZX81, but for some reason it will not work. The computer itself is operating normally without hi…

    ... years.
    Of course, maybe ram pack is faulty, but it ...
    Pegaz Pegaz March 2017 Hardware
  • No Fate - new game from creators of CastlevaniaRewind Studio that was responsible for a great ZX Spectrum game from 2015, called Castlevania: Spectral Interlude, finally announced its next project…

    ... for ZX Spectrum with 256K+ RAM and disk drive.
    — Enhanced ... : hardware scrolling and sprites, 3xAY, Turbo Mode etc.
    — Some kind ...
    Michelle_KG Michelle_KG May 2017 Announcements
  • ZEsarUX beta 5.1Hi I have just uploaded today a new beta version of ZEsarUX. Binaries are for Linux, Mac, Windows and Raspberry (raspbian) You may download i…

    ... TBBlue emulation: 1 MB RAM
    Fixed turbo mode and breakpoints. Breakpoints ... were disabled when changing turbo mode
    Fixed latency problems ...
    chernandezba chernandezba May 2017 Emulators
  • ZX Spectrum+ showing 16K of RAMHello again, as the title says my ZX Spectrum+ is showing only 16K of RAM instead of 48K when running a memory check. [url="http://www.1000bit.it/su…

    ... + is showing only 16K of RAM instead of 48K when running ... how to identify the faulty RAM chip, but I seriously have ...
    vale vale July 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…

    ... also suspect there is a RAM fault but how can I ...
    Renegade Renegade July 2017 Hardware
  • Lower & upper ram IC's for an issue 3 please.Would any of you great folks have 1 spare lower ram, and 1 spare upper ram IC's you would be willing to sell. I'm fixing up a poorly Spectrum that is…

    ... 1 spare lower ram, and 1 spare upper ram IC's you ...
    Your Spec-chum Your Spec-chum September 2017 Wanted
  • Replacing lower RAM 4116 ZX Spectrum 48k - desoldering advice please?A long post, but interesting pictures perhaps. :) I'd like some advice: (also apologies I think I picked the wrong 'Hardware' category for this, plea…

    ... seemed to indicate a lower RAM issue. It hadn't been ...
    Kamineko Kamineko September 2017 Hardware
  • Troubleshooting my +2To put this in context: a while back (i.e. late last year and earlier this year) I was looking to put together a compilation of modern Spectrum games…

    ... Cray-5, which has a turbo loader similar to one of ... problem with one of its RAM chips (and has had that ... I'd assume the entire RAM is stuffed full of data ... . Of course, if the RAM *is* dodgy, maybe I just ...
    The Mighty Dopethrone The Mighty Dopethrone October 2017 Hardware
  • Third-party ZX81 RAM packsOne of the things that's previously held me back from fishing for a ZX81 on eBay - other than "will the ULA on this machine sold as 'untested' be com…

    ... getting hold of a 16K RAM pack. Now, even back in ... of the existence of other RAM packs that weren't the ... (at least try to) eliminate RAM pack wobble, but then there ... time it had a working RAM pack I was [i]five ...
    The Mighty Dopethrone The Mighty Dopethrone November 2017 Hardware
  • ZEsarUX 6.0 stableHi! ZEsarUX 6.0 stable is out! This is a major version, it includes some new machines and a lot of new features and bug fixes :) You can downlo…

    ... for esxdos, 2 MB RAM, new 8kb block MMU, ... , for example: full 128kb ram, 64kb rom of +2A, ... divmmc ram, etc
    Added ...

    Fixed turbo mode and breakpoints. Breakpoints were ... disabled when changing turbo mode
    Fixed latency ...
    chernandezba chernandezba November 2017 Emulators
  • Tape Turbo loadersI wonder what was fastest turbo loader used back in 80. And what was fastest turbo loader reliable with common tapes? Btw. I remember a web page…

    I wonder what was fastest turbo loader used back in 80.
    And what was fastest turbo loader reliable with common tapes?
    Btw. I remember a web page discussing timing of various turbo loaders but cannot find it anymore, maybe someone knows?
    catmeows catmeows December 2017 Development
  • MGT Sam Coupe BIG JOBLOT!!! 22 Disks, 3 manuals, 1MB Ram Expansion + Midi Cable!Direclty from my personal Sinclair collection that never end... ...MGT Sam Coupe BIG JOBLOT!!! 22 Disks, 3 manuals, 1MB Ram Expansion + Midi Cable…

    Direclty from my personal Sinclair collection that never end...

    ...MGT Sam Coupe BIG JOBLOT!!! 22 Disks, 3 manuals, 1MB Ram Expansion + Midi Cable!

    https://www.ebay.co.uk/itm/173022113295

    Have a nice bid ;)
    ranma_simon ranma_simon December 2017 Sales
  • Testing ram memory of DivIDE / DivMMCHere is new utility for testing DivXXX ram memory: [url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/sof…

    Here is new utility for testing DivXXX ram memory:
    [url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/software/divramka.zip[/url]
    velesoft velesoft December 2017 Hardware
  • sam coupe with external 1mb ramvelesofts site has snaper disks: https://velesoft.speccy.cz/sam_zx128.htm when you use masterdos to detect the external 1mb of ram interface th…

    ... detect the external 1mb of ram interface then the snaper emulator ... lets you select the fast ram and the zx spectrum game ... uses this ram above 32768 this gives you ...
    rogerjowett1 rogerjowett1 June 2018 New game ideas
  • ANN: Tipshop updated Saturday, 03 November 2018Saturday 03 November 2018 Happy "Eat All Of Your Kids' Halloween Sweets" week! There's lots of good stuff this update - keep up the good work, folks…

    ... by others?

    * Graham "Turbo" Mason is back in action ... , Run!,
    Sentinel, Shadow on Glass, A, Sorcerer of Claymorgue Castle ...
    hackersanon hackersanon November 2018 Announcements
  • Sinclair 16k Ram pAck Issue3 schematicsHi guys, I am willing to repair a 16k ram pack for the ZX81 but I cannot find any schematic of the ISSUE 3 ram pack. I could only find a schematic…

    ... willing to repair a 16k ram pack for the ZX81 but ... schematic of the ISSUE 3 ram pack. I could only find ... and replace them with 8118 ram which requires only +5V. Problem ... desoldering one of the 4116 ram, I lifted the tiny little ...
    repetto74 repetto74 March 2019 Hardware
  • A next Spectrum ROM with Turbo and MonitorI made a copy of a secondary ROM file that was used in my Didaktik Gama (Czech Spectrum clone with original ULA) but it was probably made for 48k Spe…

    ... (c)RaK 48 TURBO [i]"1991 Sinclair Spectrum Turbo"[/i] that can ...
    pavel_krivanek pavel_krivanek July 2019 MIA/STP/SDP
  • 48K Issue 2 RAM issuesI have 48K issue 2 board (I've checked, the upper memory is present!). It's not very well. I've not attempted to diagnose one before, so please bear …

    ... are only in the upper RAM as it will actually boot ...
    kurbeco kurbeco August 2019 Hardware
  • ZEsarUX 8.1 stableHi! I've uploaded a new ZEsarUX 8.1 stable version. Go to the github released webpage to download it: https://github.com/chernandezba/zesaru…

    ... emulation
    Added 1024 KB RAM emulation for Spectrum & Pentagon ... bug on zxuno changing video ram 5/7 when paging was ... error when paging rom in ram, on case pages 0,1 ... fast boot mode
    -added turbo mode x8 (28 MHz)
    chernandezba chernandezba February 2020 Emulators
<1…13141516171819…34>

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