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  • Searching for correct Betadisk 48k TR-DOS v4.12 ROM (Save ROM via TRDOS-Prompt to Disk)Hi, I have two ROM-Files which should be read out from an original Betadisk 48 Interface TRDOS v4.12 (ROM-Size 8k). But when I compare them, they…

    ... out, because my Beta-Disk 48k was upgraded to
    Vision ...
    Luzie Luzie September 2015 Hardware
  • 48k not startingHi team, I have 2 48k's, one works (Issue 4s), one doesn't (Issue 4a). The non-working one appears to start, but not finish the RAM test. The pape…

    ... ,

    I have 2 48k's, one works (Issue 4s ...
    neillsun neillsun September 2015 Hardware
  • The right size for Standard Betadisk 48k TR-DOS v4 ROMs is 8k and not 16kHi Emulator-Authors, I just want to clarify, that Betadisk 48 ROMs TRDOS v4 ROMs has size of 8 kByte and not 16k Byte. Only TRDOS v5 (of Beta…

    ... those Emulators to have Betadisk 48k.
    (If you try to ...
    Luzie Luzie September 2015 Emulators
  • 48k or 128k target ?Hi, As a new coder on Speccy, I wonder which Spectrum model to target for my forthcoming developments (game). I can see there are 3 different sys…

    ... with technical differences:

    48k
    128k /128k +2
    48k one ?

    Which model ...
    majikeyric majikeyric September 2015 Development
  • Replacement speakers for 16/48K SpectrumsThought I'd share a source of replacement speakers for the 16/48K machines: http://uk.rs-online.com/web/p/miniature-speakers/7903975/ (Equivalent…

    ... replacement speakers for the 16/48K machines:

    http://uk ...
    balford balford September 2015 Hardware
  • Emulator suggestion Betadisk 48k TRDOS v4 adress redirection to Betadisk TRDOS v5Hi, may I suggest the following: As there are some older programs only running on Betadisk 48k with TR-DOS v4 and it´s adresses 15360/15363 ins…

    ... only running on
    Betadisk 48k with TR-DOS v4 and ... BASIC-programs written for Betadisk 48k maybe run directly with TRDOS ...
    Luzie Luzie September 2015 Emulators
  • 48K colour issuesGentlemen, A friend handed me over a number of 48K machines to service, and among these there are four of them with various flavours of colour iss…

    ... me over a number of 48K machines to service, and among ...
    Opus Discovery Opus Discovery September 2015 Hardware
  • ZX Spectrum 48k Plus PackHi, Thanks to these forums and the ZX community I have refurbed a ZX Spectrum 48k Plus, which is boxed. It has a new keyboard membrane and has been…

    ... have refurbed a ZX Spectrum 48k Plus, which is boxed.
    Van_Dammesque Van_Dammesque September 2015 Sales
  • ZX Printer spares and partial paper roll - Wanted Motherboard for Spectrum 48K+The back of the printer is missing, and as you can see the lead going into the connector has seen better days. Perhaps this could be of use to someon…

    ... really after a working spectrum 48K+ motherboard, so I could trade ...
    lesoleil70 lesoleil70 October 2015 Sales
  • SINCLAIR SUPER BUNDLE: ZX SPECTRUM 48K + IF1 + MICRODRIVE + ZX PRINTER + JOYSTICK INTERFACE!http://www.ebay.co.uk/itm/171965481961?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 Here you are another piece of my Sinclair collection. …

    ... :

    a) ZX Spectrum 48k in MINT condition, It works ...
    ranma_simon ranma_simon October 2015 Sales
  • 48k problemsHi all Just plugged in a 48k that I bought to find that the screen is jumbled with different colour pixel blocks. I removed the casing and noticed…

    ... />
    Just plugged in a 48k that I bought to find ...
    jamiejoe jamiejoe October 2015 Hardware
  • New 48K cases?I've seen where you can buy new face plates (going to be buying some soon). But is there anywhere I can buy a new case for a 48K Spectrum? Than…

    I've seen where you can buy new face plates (going to be buying some soon).

    But is there anywhere I can buy a new case for a 48K Spectrum?

    Thanks.
    cbmeeks cbmeeks October 2015 Hardware
  • video quality issue on 48k machine after composite modHello! I just bought an 48k spectrum and did the composite mod. Unfortunately it did not end up as good as i hoped for. The screen after reset looks …

    Hello! I just bought an 48k spectrum and did the composite ...
    holovicc holovicc November 2015 Hardware
  • ZX 48K power plugHi! I'm a newbie, this is my first post. I have a ZX Spectrum 48K, which has been lying around for ages. Its psu lacks a plug. The Psu is 9v and 1…

    ... /> I have a ZX Spectrum 48K, which has been lying around ...
    Marty777 Marty777 November 2015 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…

    ... types used on the 16/48k spectrum, and ideally a link ...
    lesoleil70 lesoleil70 November 2015 Hardware
  • The Artist II on Speccy +2AHi, I'd like to ask if someone here can run The Artist II on real +2A. I tried several copies, 48k tape version, 128k tape version, even +3 disk v…

    ... +2A. I tried several copies, 48k tape version, 128k tape version ... . Memory tests find nothing bad, tried lot of demos (both 48k and ...
    ellvis ellvis November 2015 Games
  • 48K Issue 3B ROM to EPROM methodsHi folks, While fixing up a completely dead Commodore PET I needed a way of testing the 4116 RAM chips that make up its 32K, some googling found a…

    ... a 27c256 EPROM containing the 48K ROM and a diagnostic ROM ... I either got a crashing 48K or crashing diags.

    witchy witchy December 2015 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…

    ... /> A friend gave me a 48K rubber keyed Spectrum. I brought ...
    memrah memrah December 2015 Hardware
  • Any floppy disk system with well known multi-load games for 48k Spectrum?I know the +3 has got loads of disk versions of famous games. I know that 48k can use modern SD readers that emulate TAP and TZX files. But how about…

    ... famous games. I know that 48k can use modern SD readers ... system and games for the 48k Spectrum?

    To put ... straight: Can I play a 48k disk version of Chase HQ ...
    maiki maiki December 2015 Hardware
  • Boxed Spectrum+, 48K, Joysticks, Rare Boxed Games, More ..We're selling the last of our collection, so if anyone is interested please have a look: [b]Complete Systems:[/b] [url=http://www.ebay.co.uk/it…

    ... ] Rare Boxed ZX Spectrum Plus 48K Computer - 1984 Issue 6A - Spectrum ... .uk/itm/231804067654] ZX Spectrum 48K Computer - 1983 Issue 4A - Fully ... /itm/231806542274] ZX Spectrum Plus 48K Computer - 1983 Issue 3B - Complete ...
    wildriveruk wildriveruk January 2016 Sales
  • Dead 48k and +2I have a couple of questions. My old 48k had a very wobbly power socket so bought a new one and soldered it on. It will not work at all now? Is ther…

    ... of questions.
    My old 48k had a very wobbly power ...
    jamiejoe jamiejoe January 2016 Hardware
  • Question of contentionI'm not desperate to go digging through technical descriptions in depth, but one thing bugs me about the Speccy's video contention model - and that's…

    ... .

    Now on the 48K, there's 224 T (224 ... there some odd stop-start timing thing going on between pairs ...
    joefish joefish January 2016 Hardware
  • Bizarre ZX Spectrum faults (also possibly relevant to Spectranet compatibility problems).I'm attempting to repair an issue 4A 48K ZX Spectrum and am encountering some very strange problems. For my own records I've given this computer the …

    ... to repair an issue 4A 48K ZX Spectrum and am encountering ... matched for each set of tests.

    As a result ...
    Zorn Zorn February 2016 Hardware
  • New version emulator ZEsarUX-4.0Hi I have uploaded a new version of my emulator ZEsarUX 4.0. You can download it from the project web page: http://sourceforge.net/projects/…

    ... changes:

    Added Pentagon Timing support
    Added AZERTY keyboard ... status
    Added Hotswap to 48k on all Spectrum machines
    chernandezba chernandezba March 2016 Emulators
  • 48K Memory MapHi, I'm having some trouble understanding the top of the 48K Memory Map. From reading elsewhere I have this as the memory map: 0 to 16383 - …

    ... understanding the top of the 48K Memory Map.

    From ...
    jonesypeter jonesypeter March 2016 Development
  • Spectrum 48k and 128k membranes for sale, no China - productAs I heard that membranes got rare, I would like to remind that SINTECH produce membranes since 1995 and we still have about 200 Spectrum Plus membra…

    ... /> http://sintech-shop.co.uk/48k-tastaturfolie/a-3025/

    https://www.sintech-shop.de/48k-128-keyboard-membrane/a-3022 ...
    Speccyman Speccyman April 2016 Sales
  • Speccy vs PiI've been doing some side by side comparisons on emulation (rpi) vs actual speccy (48k+). And I'm really impressed with what Fuse can do when the pi …

    ... emulation (rpi) vs actual speccy (48k+). And I'm really impressed ... as far as my limited tests go. One place where I ... is jerky scrolling and as tests I've been looking at ...
    kilauea kilauea April 2016 Emulators
  • What's the best solution for audio loading on a 48k?I have three 48k Speccies. All have been recapped and AV modded, but only one (an issue 4A) is currently loading via Teezix. (the other two (issue 3…

    I have three 48k Speccies. All have been recapped ...
    Smith Smith May 2016 Hardware
  • Black screen on 48k+Hello peeps Just bought a 48k+ was working fine then after leaving it off over night I turned back on to get a total black screen, no border etc. …

    ...

    Just bought a 48k+ was working fine then after ...
    jamiejoe jamiejoe May 2016 Hardware
  • Issue 4A, tests complete fine but get odd crashing problemHi all, I've got an issue 4A which has had all of its lower RAM replaced, TR4, TR5 as well as its CPU. It originally had quite high voltages (20-3…

    ... point and indeed passes the tests using the ZX Spectrum Diagnostics ...
    Jet5y Jet5y May 2016 Hardware
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    Renegade on April 21
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48k 20.9K 29.1K
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  • 48k / 48k+ Keyboard MembranesCan anyone out there help me to locate a set of new keyboard membranes for my Speccy 48k (rubber keys) and 48k+ . <br /> I've just dusted them off af…
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  • 5C Horizontal timing vs 6C horizontal timing.Hi all,<br /> <br /> Just considering the timing difference in the video signal between the 5C and the 6C where the 6C ULA seems to have 50% longer…
  • Keys in 48k mode for SpecEmu 1.2?Hello all,<br /> <br /> Does anyone know how to get the " symbol to appear when in 48k mode on Spec Emu 1.2? As you can imagine, it's pretty essentia…

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