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<1234567…34>
  • harvard architecture spectrum clone.I got my first +2 before christmas. I'd never given the 128k spectrums much thought, always been a 48k rubber key tradionalist. :smile: I've been me…

    ... much thought, always been a 48k rubber key tradionalist. :smile:< ... have been a way to add more memory to the spectrum that would have ... been easier to make use of. ... Bigger programs and more data with no need to worry about paging ...
    Basher Basher January 2014 Hardware
  • 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…

    ... gave me a ZX Spectrum 48k in seemingly good physical ... read online seemed to indicate a lower RAM issue. It ... .mrdictionary.net/stuff/2017/spectrum/IMG_20170926_223433_DRO.jpg]IMG_20170926_223433_DRO.jpg ... IC6, but that was more difficult to remove. In fact it ...
    Kamineko Kamineko September 2017 Hardware
  • Scart/Composite output for 48K SpectrumHas anybody been able to achieve a Scart or Composite out put for a 48K Spectrum? If not, this is a badly needed modification. Modern TVs are not cut…

    ... able to achieve a Scart or Composite out put for a 48K Spectrum ... fine tune it any closer to what I now have, ... which seems to be getting worse. Luckily ... 90s which is a bit more tolerant of the ZX ... />
    If such an add on were available, I would ...
    Alien 8 Alien 8 March 2010 Hardware
  • 28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…

    ... in rainbow effects on the 48k Spectrum, mainly from a perspective ... more memory), which seems to work on ZX Spin as a 48k Spectrum ... . (Based on code from "Advanced Spectrum Machine Language ... , didn't check) add AF to the register pairs that ...
    AMW AMW April 2012 Development
  • Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…

    ... an add on for a 48k spectrum, which reinterprets the information written to the ... and the hardware is invisable to the spectrum.
    The difference is ... all of the propellers hub ram 32k and all 8 of ... />
    I'm going to post more videos on youtube (didn't ...
    Basher Basher August 2013 Hardware
  • Are 128K games more likely to crash than 48K ones?Hey, guys. I've been doing some experimenting with various games and even some music demos and apps, and I'm beginning to reach a conclusion that …

    ... m beginning to reach a ... to be the main culprits) seem to be more susceptible to crashing than their 48K ... counterparts, most usually resetting to ... to start again), resetting to a corrupted version of the Spectrum ...
    Swevicus Swevicus February 2022 Games
  • How to use SPECTRUM emulator for playstationAnybody got an idea how to add roms to the SPECTRUM emulator for the playstation? I burn the .exe on the cd and it works fine with built-in game, but…

    Anybody got an idea how to add roms to the SPECTRUM emulator for the playstation ... do u actually put in more games and in which format ... 't been able to find ANY instructions regarding to this emulator... Thanks ...
    Pavel Chernikov Pavel Chernikov November 2001 Emulators
  • You know how the 128K was faster than the 48K Spectrum?Regarding how the Spectrum 128K ran at 3.54 MHz rather than the 48K's 3.5MHz, was this difference enough to be an advantage? If not, then surely Sinc…

    ... the Spectrum 128K ran at 3.54 MHz rather than the 48K ... precise 48K programs when ran on the 128K, and added more complexity to ... the timing routines that needed to be written ... program that was to be run on both 48K and 128K machines ...
    ewgf ewgf September 2006 Hardware
  • 16k, 48k Spectrum, ZX Interface and moreI'm cleaning up before a move, so I'm selling nearly all my spectrum stuff. This includes one 16k spectrum, one 48k spectrum, books, tapes, ZX interf…

    ... all my spectrum stuff. This includes one 16k spectrum, one 48k spectrum, books, tapes ... , ZX interface, microdrive and more. Since ... -en-software/454399288-2x-zx-spectrum-met-data-recorder-boeken-tapes ...
    mvaniersel mvaniersel June 2011 Sales
  • SPECTRA - RGB SCART Interface for 48K SpectrumSince the launch of the SPECTRA interface back in June 2012, some discussion of it has appeared in the forums in the past (mainly [URL="http://www.wo…

    ... the 16K/48K ZX Spectrum, with the primary function being to provide a ... bus. This allows the Spectrum to be kept in its original ... is its ability to extend the Spectrum?s display to support 64 ... the data bytes written to the Spectrum?s video RAM, with the active ...
    Fruitcake Fruitcake April 2013 Hardware
  • Near new condition 48k Spectrum for sale.I'm starting my spring cleaning with this. I have a Sinclair Spectrum 48k, bought many years ago but has had only about a week's use (at my then gir…

    ... />
    I have a Sinclair Spectrum 48k, bought many years ago but ... last tested). The lead to connect the Spectrum to a TV is missing ... pretty sure I'd get more than that on eBay but ... first serious offer and offering more won't get you further ...
    Fire Angel Fire Angel May 2014 Sales
  • AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…

    ... with 48k, 128k, etc., could a "player" be made to read ... with all the new hw add-ons. The player uses almost ... A new project adding ram to the spectrum could also allow its expanded ... memory to be read/writable by more ...
    Alcoholics Anonymous Alcoholics Anonymous December 2009 Development
  • Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…

    ... more than RGB... and I'm happy with a Spectrum 48K ... more useful than VHF/UHF these days).
    [*] Replace lower 16K RAM ... 48K into 128K with some mod.
    [*] Maybe add a soundchip to enjoy Spectrum ... original keyboard foil is more often broken than not).< ...
    RetroTechie RetroTechie December 2010 Hardware
  • 2013 projects: new PlusD, DivIDE and MultifaceI have written about this before, but as I want to let these project be influenced by your opinions, I thought to create a separate topic about it. …

    ... diviIDE+ and add some forgotten features (just to mention RESET switch ... mailed me once about adding more ram to the design.
    Tell ... of sound enhancers for both 48K and 128K made already.< ... , I mean ready-to-use ZX Spectrum RGB to composite video converter. ...
    bverstee bverstee April 2013 Hardware
  • Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…

    ... hub ram. I've rewritten the code to capture 2 spectrum display ... any AY hardware or add AY sound to 48k games without modifying ... object alternately modifies one or more of these parameters and ... used to 'park' the │
    │ vocal tract until more sounds ...
    Basher Basher August 2014 Hardware
  • no sound from my 48k spectrumI'v just brought a rubber keyed 48k Spectrum and a load of games from a boot sale for ?5.00 and it all works exept for the sound their is nothing com…

    ... just brought a rubber keyed 48k Spectrum and a load of games ... the speccy but everything seems to be connected. Anybody have any ...
    zuko1 zuko1 July 2003 Sinclair Miscellaneous
  • Does Screen Flipping work on a 48k Spectrum?On the other post it showed some basic code to flip the screen on a +3. Does it work on a 48k Spectrum. Can anyone show me the machine code to: Se…

    ... it showed some basic code to flip the screen on a ... a 48k Spectrum.

    Can anyone show me the machine code to ... the screen memory to default 16384
    Write to backbuffer 49152
    Flip the screen memory to 49152

    Many thanks ...
    robpearmain robpearmain May 2004 Development
  • Switching basic to 48k modeHi there, we all know that the SPECTRUM command of the 128k BASIC turns the BASIC to 48k mode. However, when executed in a program, the SPECTRUM …

    ... the SPECTRUM command of the 128k BASIC turns the BASIC to 48k mode ... . However, when executed in a program, the SPECTRUM command ... /> Is there any way to switch to 48k mode without interrupting the program ...
    Paolo Ferraris Paolo Ferraris April 2006 Development
  • Spin problems/issuesI am running Spin 0.666 and have noticed a few issues (some are bugs, some might be just me). I am using Vista sp1 (yeah I know!), and I've seen Dunn…

    ... from the fact that the RAM page field is too wide ... screen to update itself to reflect what is really in display RAM (if ... itself). Now enable interrupts once more (tick the box in the ... either! However, if you change to 48K Spectrum hardware and repeat the CAT ...
    Jimmy Jimmy April 2008 Emulators
  • Upgrading to 48kI picked up a 16k Issue 2 Spectrum over the weekend, and I'd like to upgrade it to 48k. I've scanned an old [URL="http://www.drumfu.com/SinclairZXSp…

    ... 2 Spectrum over the weekend, and I'd like to upgrade it to 48k ... there any caveats I need to be aware of? Cheers!
    jp jp June 2008 Hardware
  • How to connect a computer monitor to a Spectrum ?Is it possible to connect a computer monitor to a Spectrum 48K ? An how to do it. What is needed ? Reason: I live in Denmark and here you MUST pay TV…

    ... possible to connect a computer monitor to a Spectrum 48K ?
    An how to do ...
    Tommy F-H Tommy F-H May 2009 Hardware
  • 48k spectrum restarts by itselfFirst of all hello from a newb and thank you for your help. This site has already offered me a lot of insight. I have a 48k spectrum that will boot …

    ... /> I have a 48k spectrum that will boot to the 1982 sinclair screen ... should be made with the spectrum powered down - unplugged. and ... blogspot.com/2008/11/zx-spectrum-composite-video-mod.html"]http ... blogspot.com/2008/11/zx-spectrum-composite-video-mod.html[/URL ...
    hedge hedge January 2010 Hardware
  • Can a ZX81 be upgraded to a Spectrum?No, I don't want to do this, and I agree that to do so (even if I could) would be a waste of time. The question is, is it possible though? The upgrad…

    No, I don't want to do this, and I ... agree that to do so (even if I ... addition of an external keyboard to cater for the extra commands ... is just to use the Z80 in a broken Spectrum, I don ... put a PC inside a 48K Spectrum, and claimed that because they ...
    Alien 8 Alien 8 December 2010 Hardware
  • Using a Z80 CPU in a 48K Spectrum?Will a Z80 CPU (which I have) work well enough in a 48K Spectrum to give me an indication as to whether the Z80A CPU in there is duff? Thanks for re…

    Will a Z80 CPU (which I have) work well enough in a 48K Spectrum to give me an indication as to whether the Z80A CPU in there is duff?

    Thanks for reading - weathereye.
    weathereye weathereye March 2011 Hardware
  • Tape recorder for 48k SpectrumHi everyone, I'm looking for a tape recorder that'll work with my 48k Spectrum. I have the leads (2 x 3.5 mm jacks at each end) to go…

    ... that'll work with my 48k Spectrum. I have the leads (2 ... mm jacks at each end) to go with it already.
    Spectrum when they bought it in ...
    Hagarack Hagarack August 2011 Wanted
  • 48K Spectrum - or repairI just got a massive bundle of new old stock games which I need to try. Problem is some of them won't load on my +3 (it's always been rather picky). …

    ... My 48K spectrum repaired
    or
    b) to buy a 48K spectrum with ... or
    c) to buy a good 48K spectrum
    or
    ... d) to buy just a known good spectrum 48K ... motherboard

    Happy to pay by ...
    Alien 8 Alien 8 January 2012 Wanted
  • I want to upgrade 16k to 48k - need help.I recently purchased a lovely little 16k machine (Issue 2) but I'd like to upgrade it to 48k. I'd rather not use a Ram pack as I think they are ugly…

    ... to upgrade it to 48k.

    I'd rather not use a Ram ... so I'd like to install the RAM internally.

    RAM chips missing too ic23 ... for use when the RAM is upgraded to 48k?

    Where can I buy suitable RAM ...
    stu232 stu232 November 2012 Hardware
  • 48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…

    ... up I had a zx spectrum for a little bit, ... I have bought a working 48k + Spectrum (Issue 4). I wasnt ... it (or I wasnt able to tune it properly)
    ... very good understanding of electronics to a point (I did ... am a little unsure where to start in diagnosing this ...
    deadeye deadeye April 2013 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…

    ... all kinds of issues with 48k spectrum and certain DivIDE models.
    to buy a certain model only ... to find out I am getting ...
    morcar morcar June 2014 Hardware
  • Sourcing replacement screws 16/48k SpectrumI know some stores like Retroleum carry screws most of the time, sods law when I have gone to purchase today there's none listed. Does anyone have t…

    ... law when I have gone to purchase today there's none ... on the 16/48k spectrum, and ideally a link to a store. Do ... screw that holds the motherboard to the bottom casing, and the ... together.

    I looked to find a thread on this ...
    lesoleil70 lesoleil70 November 2015 Hardware
<1234567…34>

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