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<1…22232425262728…34>
  • Google PlayGoogle Play is a new addition to the iGoogle browser homepage that showcases Android apps [url]http://play.google.com/store/search?q=zx+spectrum&c=a…

    ... ://play.google.com/store/search?q=zx+spectrum&c=apps ...
    Geoff Geoff March 2012 Sinclair Miscellaneous
  • 48K's and bad DivIDE compatibilityI have had some 48K boards and complete machines in the past which didn't work fully with a DivIDE interface. The reason for that always was a Z80 pr…

    ... .
    I also tried other ULA's, but the problem is ...
    bverstee bverstee March 2012 Hardware
  • Speccy 48K working only as B&WMy 48K rubber key was working OK after a composite video mod (showing colors). But now it has no colour anymore. It only shows images in B&W. With pr…

    ... cause this? Is a bad ULA?
    My 48K is not ...
    Turrican Turrican April 2012 Hardware
  • The Silly Thread.We've not had a silly enough thread in quite a while. So here's a thread to compensate. [img]http://images3.wikia.nocookie.net/__cb20110828185317/t…

    ... ]http://t3.gstatic.com/images?q=tbn:ANd9GcSwle5fNf9SMfR8BDP5VQsMT7g18PHyTiMxXjtXCs4EYUKpR0RMComPZ9ZO[/img]
    Scottie_uk Scottie_uk April 2012 Chit chat
  • Ask Mel CroucherHi all, Just to let you know that we have a Q&A with Mel Croucher coming up and are inviting one and all to send their questions in. More info here…

    ... know that we have a Q&A with Mel Croucher ...
    perini-ps perini-ps April 2012 Announcements
  • Rick Dickinson Q&AHi all, As part of our mini-interview-series with notable Spectrum folks, we're shortly interviewing Rick Dickinson for Imperica magazine. [URL="ht…

    Hi all,

    As part of our mini-interview-series with notable Spectrum folks, we're shortly interviewing Rick Dickinson for Imperica magazine.

    [URL="http://www.imperica.com/daily/475-ask-rick-dickinson"]http://www.imperica.com/daily/ ...
    perini-ps perini-ps April 2012 Announcements
  • Intermittent reset on 48K (issue 4S)I'be been fighting an intermittent selfreset the whole day. Changed ULA - did not help. Tested TR6 as i could and compared the reading with another…

    ... whole day.

    Changed ULA - did not help.


    ULA temp is about 48-50C ...
    ArtemKuchin ArtemKuchin May 2012 Hardware
  • Imperica Horizons - The whole weekend :-)So now it's all over, I'll do a quick writeup... It all started for me at 5.20 am. Getting to London from Devil's Island isn't so easy now that Aer …

    ... his work on the Spectrum ULA, colour timing tricks and the ...
    Winston Winston May 2012 Sinclair Miscellaneous
  • Zx 48k after the ic7805 other problemHi everyone, i am Tiago from Portugal, and i am trying to repair a Zx Spectrum 48K. the machine didn't do anything, no image, no sound, nothing. The…

    ... do now? Is it RAM? ULA?
    how can i check ...
    tiago tiago May 2012 Hardware
  • ZX-Paintbrush version 2.2 releasedDear readers, Today I released ZX-Paintbrush 2.2 with many new features. I hope you'll like it. Please refer to ZX-Paintbrush's section of my homepa…

    ... /> Important changes:
    [LIST]
    [*]ULA+ support
    [*]Timex screen support ...
    clausjahn clausjahn May 2012 Emulators
  • ZX-Editor Second Edition 2.1 releasedDear readers, yesterday I released a new version of ZX-Editor. Mainly, it now comes with picture support of enhanced ZXP file import as well as ULA+…

    ... file import as well as ULA+ and Timex support for the ...
    clausjahn clausjahn May 2012 Emulators
  • ULAPlus: showing different screen modes in one screenI wanted to write a demo showing the same screen, converted to various screen modes available on the Spectrum (well, a Spectrum clone capable of show…

    ... showing Timex hicolour mode and ULA+ mode).

    Currently, I ... ). The third one is a ULA+ screen (low res attributes with ... a Timex HiColour screen with ULA+ palette enabled.

    Each ... stated in the Andrew Owen ULA+ doc "Using the ULAplus 64 ...
    mcleod_ideafix mcleod_ideafix May 2012 Development
  • JSpeccy v0.90Hi4all, A new JSpeccy version has been released at my project webpage. This new release have many corrections, some optimizations and a few new feat…

    ... -TV filter (not compatible with ULA+), a RGB filter and a ...
    zx81 zx81 May 2012 Emulators
  • ULA TEST 3 results on real hardwareHi guys, I'm writing small spectrum emulator and I wanna implement precise emulation for different spectrum models :-) I found nice test for conten…

    Hi guys,

    I'm writing small spectrum emulator and I wanna implement precise emulation for different spectrum models :-)

    I found nice test for contended memory - [URL="http://wizard.ae.krakow.pl/~jb/qaop/t/ulatest3.tap"]ulatest3.tap ...
    ZXMAK ZXMAK May 2012 Emulators
  • Faulty Grey Spectrum +2 - help neededI have a faulty spectrum +2. I tested the voltaged inside - all check fine. Well, within some limit, +5 for example is 4.83, but all other voltages a…

    ... .

    I cannot swap ULA because i don't have ... . I don't know is ULA for toastrack 128K is the ... are fine. What's left? ULA and RAM.
    Cannot test ... ULA and how not idea how ...
    ArtemKuchin ArtemKuchin May 2012 Hardware
  • CMWC random number generator for Z80Seeing the interest regarding the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=23070"]Xor-Shift random number generator for Z80[/URL]…

    ... />
    ld c,(hl) ; y = q[i]

    push hl ...

    ld (hl),a ; q[i] = x

    ret ...
    Patrik Rak Patrik Rak June 2012 Development
  • JSpeccy v0.91A new JSpeccy version has been released. Summary of changes, - The keyboard has been reassigned: Both SHIFTs == Caps Shift Both CTRLs == Symbol Shi…

    ... described by csmith in his ULA Book with a more wide ...
    zx81 zx81 June 2012 Emulators
  • Simple explanation of interrupts (in the context of Z80/Speccy)I wondered if somebody on here could explain in simple terms how interrupts work on the Speccy and where interrupts are source from. Are they a natur…

    ... are they instigated via the ULA? Are Speccy interrupts per-frame ...
    takapa takapa June 2012 Development
  • +2 OverheatingMust first give thanks to Dazza75 for supplying me a replacement +2 however it seems to be overheating and corrupting graphics in games making them u…

    ... be?

    Ram fault? ULA loose. If it requires resoldering ...
    zerohour zerohour June 2012 Hardware
  • Spectrum 48K help neededI hav got an old Specrtum 48K issue 3. When I plug-in power connector it doesn't show the home screen (c) Sinclair.... From about 50 times trying to …

    ... if is the RAM or ULA?

    When I got ... it working ULA and 7805 were warm (aboput ...
    btrafela btrafela June 2012 Hardware
  • ZX81 back porch fix using LM1881Hello! Has anyone here did the back porch fix for ZX81 using LM1881? I did it this weekend and instead of clear black on white i got black on dark g…

    ... 200mv p-to-p. The ULA video output is a lot ... when i connect the circuit. ULA is over 40C for example ...
    ArtemKuchin ArtemKuchin July 2012 Hardware
  • ZX81 with black screen and some white dots.Was gearing up to do a composite video mod on my ZX81, and today was going to be it. Unfortunate when started my ZX81 seems faulty. I get a back scre…

    ... would be. I suspect the ULA. It gets a bit hot ...
    pmsr pmsr July 2012 Hardware
  • Odd / interesting things to do with Spectrums, IF1 and Microdrives.Firstly, I did not know where to put this, whether to shoe horn it into one of the more recent microdrive-ish threads, or drag up one of my old ones.…

    ... : Following on from the last Q. If your table was not ...
    Scottie_uk Scottie_uk July 2012 Hardware
  • Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…

    ... soldering contacts
    - Potential bad ULA's

    But today ...
    bverstee bverstee July 2012 Hardware
  • DooM on Spectrum 128kHello my fellow WoS'ers My hope is that you can help me, recently I discovered a DooM clone -esque on the Humble spectrum, - here is a [URL="https:/…

    ... ="https://www.youtube.com/redirect?q=http%3A%2F%2Fmbeep.republika ...
    Zetr0 Zetr0 July 2012 Games
  • BIFROST* Advanced Programming - part 3This new demo demonstrates the BIFROST* built-in sprite support that I mentioned before. In BIFROST*, "sprite tiles" are 2 special tiles that BIFROS…

    ... /> randomize();

    KEY_UP = in_LookupKey('q');
    KEY_DOWN = in_LookupKey('a');
    Einar Saukas Einar Saukas July 2012 Development
  • Interesting Keyboard FaultWhy-oh-why do I keep buying half-dead Speccys off fleabay. Bought this one as a source of spares, it was listed as having a non-working keyboard due…

    ... keyboard due to a possible ULA fault, I had a correct ... response, I've replaced the ULA with no change either so ...
    napoleonblownaparte napoleonblownaparte August 2012 Hardware
  • Spectrum+ and dead keyboardI have a Spectrum+ which had no picture just snow on TV. I found instructions, that it might be regulator 7805, so I changed it. Now I saw something …

    ... , which said it might be ULA, so I changed it, but ...
    lillaolle64 lillaolle64 August 2012 Hardware
  • INKEY$ giving me troubleHello, I have been using BASin (great program by the way...) Sad though it seems during the typhoon here I have been re-learning my spec-skills an…

    ... the variables, at first Q$ never even showed up ... /N:"
    35 LET Q$=INKEY$
    36 PAUSE 10 ...
    40 IF Q$="" THEN GO TO 35< ... br /> 45 IF Q$="Y" OR Q$="y" THEN GO TO ... br /> 46 IF Q$="N" OR Q$="n" THEN GO TO ... /> 107 LET Q$=INKEY$
    108 IF Q$="Y" THEN GO ...
    WibbleBibble WibbleBibble August 2012 Sinclair Basic
<1…22232425262728…34>

Latest Posts

  • Minor British Sports that did become games on the ZX Spectrum
    dmsmith on April 22
  • I bought an accoustic guitar. How do you play it?
    Maroc's Other Projection on April 22
  • Goodbye Z80
    moggy on April 22
  • Happy 40th Birthday to the Amstrad CPC464!
    AndyC on April 22
  • Another Birthday! The Game Boy Is 35!
    dm_boozefreek on April 22
  • I am currently watching.....
    Antiriad2097 on April 22
  • European Software Titles with an English version
    harriusherbartio on April 22
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on April 22
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on April 22
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21

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