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  • New colour palette for Spectrum emulators, 16K/48K/+ machinesI’ve made a colour palette for 16K/48K/+ machines, based on the YUV voltage tables in Chris Smith’s book The ZX Spectrum ULA. This colour palette …

    ... a colour palette for 16K/48K/+ machines, based on the YUV ... ZX Spectrum 16K, ZX Spectrum 48K and ZX Spectrum+ machines, basically ...
    rga24 rga24 February 2018 Updates
  • New colour palette for 16K/48K/+ machines, based on ULA YUV voltagesI’ve made a colour palette for 16K/48K/+ machines, based on the YUV voltage tables in Chris Smith’s book The ZX Spectrum ULA. This colour palette …

    ... a colour palette for 16K/48K/+ machines, based on the YUV ... ZX Spectrum 16K, ZX Spectrum 48K and ZX Spectrum+ machines, basically ...
    rga24 rga24 February 2018 Emulators
  • Faulty ZX Spectrum 48kHi guys, I just got around to doing a composite mod on an old ZX Spectrum 48k that I got from Ebay a while back. It did say it was untested and b…

    ... on an old ZX Spectrum 48k that I got from Ebay ... .com/sBCyr6j"]Broken ZX Spectrum 48k[/url]

    Is this ...
    Crispywotsits Crispywotsits March 2018 Hardware
  • Opus Discovery not WorkingHello hope you can help, or if this thread goes well that you also find the answers you are looking for... I have an Opus discovery that does not …

    ... /> I have attached a working 48k machine to it and if ... new ROM (quick dos rom upgrade) and 6116 chip from byte ...
    hedge hedge March 2018 Hardware
  • Trying to repair my old 48kAbout 30 years ago I had a spectrum 48k, it had some troubles in the end, it was very unstable when it was cold, so I had to warm it up an hour befor…

    ... ago I had a spectrum 48k, it had some troubles in ...
    Repulsiv Repulsiv March 2018 Hardware
  • Attribute 2 You - a new demo for 48K machinesHi. There is a new demo for ZX Spectrum 48K with AY-interface. Code/idea/design: MatGubbins. Music: Yerzmyey. DOWNLOAD: http://www.pouet.n…

    ... new demo for ZX Spectrum 48K with AY-interface.

    Yerzmyey Yerzmyey April 2018 Brand new software
  • Loading games from pcI have set up an issue 6a with an opus discovery 1 The opus has had the upgrade from bytedelight of twin floppys and quickdos and is working great. …

    ... /> The opus has had the upgrade from bytedelight of twin floppys ... loading works on my harlequin 48k but the harlequin doesn't ...
    caver99 caver99 May 2018 Hardware
  • How do I look at code on the Spectrum 48k Elite game?Can someone tell me how to stop the tape loading page of Elite on original Spectrum 48k so I can look at the Lenslok code and play the game? I own t…

    ... of Elite on original Spectrum 48k so I can look at ...
    Lenslok Lenslok May 2018 Games
  • Final Fight for 48K spectrum?The original release by US Gold and the Re-release by Erbe state that it's only 128K, but the 2nd re-release by Kixx mentions Spectrum 48K. Was th…

    ... -release by Kixx mentions Spectrum 48K.

    Was this a ... the controls choice part in 48k but then crashes on the ... this game work on a 48K by skipping the intro part ...
    Renegade Renegade June 2018 Games
  • Ay interfaces compatibility and/or differencesHmm, I have been looking for an AY interface to do an upgrade to a 48K machine. But, how many models are there now? And is there some compatibi…

    ... interface to do an upgrade to a 48K machine.

    But ... compatibility issue between, say, the 48k and Timex TC2048 for example ...
    Renegade Renegade June 2018 Hardware
  • help with issue 3 48k speccy after recap and new tr4 and tr5I have a 48K speccy that was not working. After recapping and replacing TR4 and TR5 it came back to life However after a short while running weird …

    I have a 48K speccy that was not working.< ...
    redfiat redfiat July 2018 Hardware
  • Keypanels for the spectrum 48k and 48k+I have already found one of these "keypanels set" for the rubber 48k but I am curious to know if there were any more types or models of these keypane…

    ... "keypanels set" for the rubber 48k but I am curious to ... />
    And what about the 48k+ model? The "template" would have ...
    Renegade Renegade September 2018 Hardware
  • Best internal AY mod for ZX 48K?I have a recapped and composite modded 48K running just fine :) I'm looking for to have a sd card interface (div mmc future) + AY for the computer. H…

    ... a recapped and composite modded 48K running just fine :) I'm ...
    emuola emuola October 2018 Hardware
  • Spectrum 48K / composite mod / LCD TV: voltages out of the ULAHello Spectrum World I have juste bought again my first computer on ebay... a Speccy 48k issue 2 with a 5C112E-2 ULA. Just had to replace TR4 and …

    ... computer on ebay... a Speccy 48k issue 2 with a 5C112E ...
    paf paf November 2018 Hardware
  • can any 128k features be accessed from 48k mode on a +2, +2a, +3, etc spectrum?like memory paging, ay sound, etc. i have seen that you can jump back into 128k basic from 48k basic on the +2a and +3 machines, using a simple ra…

    like memory paging, ay sound, etc.

    i have seen that you can jump back into 128k basic from 48k basic on the +2a and +3 machines, using a simple randomize usr command.
    digital digital February 2019 Hardware
  • ZX ZOO :) A full ZOO DEMO, inside 48K at 3.5MhzZX ZOO :) A full ZOO DEMO, inside 48K at 3.5Mhz Animations that do not look like 8 bits :) Enjoy :) TAP here: https://mega.nz/#!Xn…

    ZX ZOO :)

    A full ZOO DEMO, inside 48K at 3.5Mhz

    Animations that do not look like 8 bits :)

    Enjoy :)

    TAP here:
    https://mega.nz/#!XnJygCCJ!O0XYx_wwBYIaD1sLSW13aU5LjhUq7ALEBRhF9RbbSew
    maeloterkim maeloterkim May 2019 Announcements
  • Replacing voltage regulators - need to sanity check a few things pleaseHi Everyone I'm in the process (with a lot of help from some friends at Greenford Computer Club), of giving my three Speccys some much needed prev…

    ... into one of the official + upgrade kits)

    ... regulators are in the 48K and Toastrack and what ... to decide whether the 48K should get a MuRata, ... be complete overkill in the 48k.

    [b ... heatsink I have for the 48K and the Toastrack:
    ...
    chrisgreen chrisgreen May 2019 Hardware
  • 48K Issue 3B slowly fading over 15-20 seconds, capacitor gets hot.Hi folks, Recently my much-modified* RAM testing 48K board failed with a hot/burny smell so I turned it off quickly for looking at later. Thinking…

    ... my much-modified* RAM testing 48K board failed with a hot ...
    witchy witchy August 2019 Hardware
  • Another Spectrum is brought back to life.Hi Spec-chums. I have been having bit of busy afternoon with repairs today. I've brought back to life a Panasonic Super-VHS recorder, and more intere…

    ... if found faulty. I may upgrade to 48k also, but not sure ...
    Your Spec-chum Your Spec-chum August 2019 Hardware
  • 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 …

    I have 48K issue 2 board (I've ...
    kurbeco kurbeco August 2019 Hardware
  • Extending SNA Standard Snapshot 48k 128k Format to new Hardware like ZXN (SpecNext)This may have been discussed before... Looking at the definition of standard 48k and 128k .SNA Snapshot e.g. at: https://www.worldofspectrum.org/f…

    ... at the definition of standard 48k and 128k .SNA Snapshot e ... /> we can find have a "48k standard-sized" KeyboardTester.SNA Snaphot ... have other size than standard 48k = 49179 Bytes.
    So new ... won´t run on standard 48k or standard 128k emulated machines ...
    Luzie Luzie October 2019 Emulators
  • Is it possible to run a single BASIC line via a ROM CALL of the Standard ZX 48k ROM?On: https://cygnus.speccy.cz/popis_trdos-assembler.php I found the following code: [code] CHADD equ 23645 ; Location of SOS variable CHADD ld…

    ... way with the standard ZX 48k ROM?
    Luzie Luzie October 2019 Development
  • Harlequin G 48K - Keyboard failHello All, I built a Harlequin G 48K over the weekend and it appears to be running! Well with the exception that I can't get the keyboard to work!…

    ... /> I built a Harlequin G 48K over the weekend and it ...
    Korinel Korinel October 2019 Hardware
  • How many New Style "Speccy" PCBs are Made to Fit in an "old style" 48K Case? And what are their names? Most of them are produced in small batches so there could be quite a few small variations. Many of these are not produced…

    ... try to replicate an original 48K Spectrum (to some extent at ... fit into an old style 48k original Spectrum case .So can ...
    harriusherbartio harriusherbartio October 2019 Hardware
  • Can someone run this test program on a real Spectrum 48K?I've knocked up a small test program just to satisfy my emulation OCD if someone with a real 48K Spectrum can spare a couple of minutes to run it.? …

    ... if someone with a real 48K Spectrum can spare a couple ...
    Woody Woody November 2019 Emulators
  • Spectrum games that are both 48k and 128k but where the 128k version is infinitely superior The only one I can think of is "Rock Star Ate My Hamster" but there must be others . So where are the games where the 128 version is great but wher…

    The only one I can think of is "Rock Star Ate My Hamster" but there must be others . So where are the games where the 128 version is great but where the 48k version is merely mediocre in comparison? Does anyone have any ideas on this?
    harriusherbartio harriusherbartio December 2019 Games
  • How pass 128K to 48K BASIC whitout need to write by hand??¿?Hi all I have a 48K BASIC program that work only with 48K ROM If i do that in a 128K 1) load "prog.bas" 2) put the command SPECTRUM t…

    ...

    I have a 48K BASIC program that work only ... with 48K ROM

    If i ...
    maeloterkim maeloterkim January 2020 Sinclair Basic
  • Cabal 48k TAPHi All, I really want a game of Cabal on my 48k+ using my SD reader. But unfortunately the version on WOS doesn't seem to work on my setup at leas…

    ... game of Cabal on my 48k+ using my SD reader. But ...
    AD-RS1600i AD-RS1600i February 2020 Games
  • Madam Blavskja's Carnival Macabre 48KEighteen years ago to the day, Adban de Corcy (in real life: Fabián Álvarez López) released a beautiful Jet Set Willy game called “Madam Blavskja’s C…

    ... that the owners of 48K Spectrums and the users ... emulators which only emulate 48K machines could not enjoy ... fit the game into 48K, especially since it does ... Madam Blavskja’s Carnival Macabre 48K” :). It is Fabián ... transferred to the classic 48K Jet Set Willy game ...
    jetsetdanny jetsetdanny March 2020 Announcements
  • Where can I obtain "More Tea, Vicar? 48K version" TAP / TZX?As per title. I know the tape is still available, but I don't have a means of transferring it for use with an emulator. I emailed Jonathan Cauldwell,…

    As per title. I know the tape is still available, but I don't have a means of transferring it for use with an emulator. I emailed Jonathan Cauldwell, but got no reply. I want the 48K version as it has a different final level to the 128K version.
    bcass bcass March 2020 Games
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HitBox

Word Docs Hits
48k 20.9K 29.1K
upgrade 2.8K 3.5K

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