World of Spectrum
  • Categories
  • Discussions
  • FAQ
  • Sign In
Home › Search
Title Search
@title beer Word 'beer' in title
User Search
  • @user admin Only posts by Admin
Text Search
  • @body beer Word 'beer' in the text
Phrase Search
"Hello World" Exact phrase match
Exclude Terms
  • car -red Search cars that are not red
"Or" Searches
  • honda | bmw 'honda' or 'bmw' results
Multi-Field
@(title,body) hello Both contain 'hello'
WildCard
  • hond* civ* Match all with an astrix
Combination
  • @title bmw @user admin
See more supported syntax examples
Search Again :: Adv Search 1000 results in 0.006s
<1…20212223242526…34>
  • 48k issue 4B display problem etchi,, i have a zx spectrum 48k issue 4B with a display issue it has wavy lines in both the border and paper,some colours seem worse than others ie red…

    ... ,new lower ram module.different ULA,crystals,full re cap,disabling ...
    mark8bit mark8bit June 2020 Hardware
  • zx spectrum +2 no clock signal ??help me ...... looking at a specie +2 (original +2) it is the Z70700 issue 1 (uk one) i seem to have no clock,no display,no sound at all. it is sho…

    ... lot done,i know the ULA/ROM/CPU are good as ...
    mark8bit mark8bit July 2020 Hardware
  • Speccy 4A board problemHi all. I was hoping for some help with my Speccy (with 4A Board) before I send it off for repair. When I power it on all looks fine (i.e. copyright …

    ... screen. I've swapped the ULA with a known good one ...
    sten969 sten969 September 2020 Hardware
  • 48k spectrum pausing the clockI had a spectrum 3b motherboard donated to me with no case. So i have decided to put it in a custom case with built in kempston port etc. I also …

    ... on one side to the ULA and the other side is ... (in the same way the ULA does AFAIK). The switch sometimes ...
    gazj82 gazj82 September 2020 Hardware
  • zx spectrum 48k interference during first two minutes of warm upi have a issue 3B 48k that i am looking at during the first two minutes (approx.) of warm up there is interference on the screen (tried to take a pic…

    ... only chip in socket is ULA which i have tried swopping ...
    mark8bit mark8bit October 2020 Updates
  • Direct drive LCD screen - looking for information on previous projects people may have attempted.Hi All, My first post, so please forgive and guide if I've posted in the incorrect section. I'm a speccy user from way back in the 80's, but m…

    ... LCD panel, with some extra ULA registers, so I can add ... won't rely on the ULA to drive the signals at ... probably replace much of the ULA, perhaps even relocate all of ...
    cj7hawk cj7hawk December 2020 Hardware
  • zx spectrum display corruption .. with lower ram module installed[img]https://photos.app.goo.gl/Gu6rjC5v21sZxwTX9[/img] [img]https://photos.app.goo.gl/FznVw8SkbbhWn5mh7[/img] another specie question : i have …

    ... removed the rom, tried different ULA,recap,composite mod, voltages are ...
    mark8bit mark8bit January 2021 Hardware
  • Repairs and Reparing.Hi All, Just finished resurrecting an Issue 3A board. Had black lines, so replaced the lower 16K RAM chips, Amazed they just cost a couple of doll…

    ... 'm terrified of losing a ULA as I imagine they are ...
    cj7hawk cj7hawk February 2021 Hardware
  • Microdigital TK95 / TK90X - my experiencesAs asked for by Renegade [url="https://worldofspectrum.org/forums/discussion/58189"]here[/url] I'll do a short writeup of my experiences with my TK90…

    ... -N _or_ PAL-M (the ULA supports both standards) to get ... be done (since the TK-ULA outputs RGB + bright directly) but ...
    Shockwav3 Shockwav3 February 2021 Hardware
  • zx spectrum 48k issue 6A boot fail- black paperohh whats wrong with this poor specie .. boot fail,, border white & paper black .. when reset it shows the red lines to indicate that the CPU is cycl…

    ... a known working -7 type ULA. checked most of the signals ...
    mark8bit mark8bit February 2021 Hardware
  • zx spectrum +2 RGB cable /// pin out/ voltagesi have a +2 cable that seems to be made well from a well known supplier.. it actually came with a +2A i recently brought but most defiantly is not su…

    ... strain on other components ie ULA,TEA2000 . normally i make a ...
    mark8bit mark8bit March 2021 Hardware
  • New Version of ZEsarUX v9.3 Beta 1 availableNew Version of ZEsarUX v9.3 Beta 1 available Downloads: [url="https://github.com/chernandezba/zesarux/releases/tag/9.3-25062021"]https://github.co…

    ... window height
    Fixed Next ULA Scroll to use registers 0x26 ...
    Luzie Luzie June 2021 Emulators
  • specie external keyboard - revision one -[img]https://photos.app.goo.gl/pqeYpXnLqTwYkLvKA[/img] revision one of my external keyboard ... wow it actually worked after a little bit of crash…

    ... read .. trying to read the ULA book by chris smith .. very ...
    mark8bit mark8bit August 2021 Hardware
  • boot fail .. bad address lines A7,A12,A13anybody have any ideas what could be wrong with this specie issue 3B .. work done : removed rom, upper ram & logic put lower ram multiplexers in sock…

    ... ) tried different CPU's & ULA's. fitted lower ram module ...
    mark8bit mark8bit August 2021 Hardware
  • Missed opportunities in the 80'sAll the talk of the Loki got me thinking... What if someone had built an expansion box for the speccy that had the 3812 Yamaha music chip ( Adlib Sou…

    ... keyboard, doing away with the ULA and taking things from there ...
    cj7hawk cj7hawk September 2021 Hardware
  • Spectrumpedia revised and extended edition. Suggestions about possible new contentFor the 40th anniversary of the first launch of the Spectrum, I am going to revise the Spectrumpedia. Feedback was very positive, although the fact t…

    ... /> Smith, Chris, [i]ZX Spectrum ULA, The: How To Design A ...
    Alessandro Grussu Alessandro Grussu October 2021 Sinclair Miscellaneous
  • 5C Horizontal timing vs 6C horizontal timing.Hi all, Just considering the timing difference in the video signal between the 5C and the 6C where the 6C ULA seems to have 50% longer horizontal …

    ... the 6C where the 6C ULA seems to have 50% longer ...
    cj7hawk cj7hawk October 2021 Hardware
  • ZEsarUX 10.0ZEsarUX 10.0 is out! Download it from : https://github.com/chernandezba/zesarux/releases/tag/10.0 Changes: Version 10.0 - Clive Sinclair edi…

    ... window height
    Fixed Next ULA Scroll to use registers 0x26 ...
    chernandezba chernandezba October 2021 Emulators
  • Picked up a broken Interface 1...It locks up the Spectrum when an Interface 1 command is issued. Anyone want to have a guess as whether it's the ULA or the ROM or something else c…

    ... as whether it's the ULA or the ROM or something ...
    cj7hawk cj7hawk October 2021 Hardware
  • Spectrum Abuse...Just got some new Spectrums in to repair ( I find it a great way to relieve stress, excepting when I do something daft while fixing them... ) One …

    ... another... No video, no clock. ULA seems dead, but no video ... what they did to the ULA to stop it working.
    cj7hawk cj7hawk November 2021 Hardware
  • Using a thermal camera to fix speccy's.Hi All, Thought I'd share another repair... Got a board that collapsed the bench supply straight away ( I run a bench supply and give it just enou…

    ... 16 K ram chips. The ULA can be seen below them ...
    cj7hawk cj7hawk December 2021 Hardware
  • New release of ZEsarUXFound today by chance on: [url]https://github.com/chernandezba/zesarux/releases/tag/10.1-13122021[/url] [quote]ZEsarUX-10.1 Beta1 Pre-release che…

    ... />
    Added setting to change ULA Data bus value
    Added ...
    Luzie Luzie December 2021 Emulators
  • Building a ZX Spectrum 3B, Looking for PartsAs the title says, I'm attempting to build a new ZX Spectrum, but I'm having some trouble locating all of the parts. Thus far, I've got all of t…

    ... ICs as well (including the ULA!).

    However, the coil ...
    DistantStar001 DistantStar001 March 2022 Hardware
  • shamazx dma 15x anyone intereted? was hoping to get ula+ full screen animations working any programmers think they could disect rtype replace screen scrolling…

    ... intereted? was hoping to get ula+ full screen animations working
    rogerjowett1 rogerjowett1 April 2022 Hardware
  • shamazx dma15x anyone intereted? was hoping to get ula+ full screen animations working any programmers think they could disect rtype replace screen scrolling w…

    ... intereted? was hoping to get ula+ full screen animations working
    rogerjowett1 rogerjowett1 April 2022 Hardware Preservation
  • shamazx dma 15x anyone intereted? was hoping to get ula+ full screen animations working any programmers think they could disect rtype replace screen scrolling…

    ... intereted? was hoping to get ula+ full screen animations working
    rogerjowett1 rogerjowett1 April 2022 Hardware
  • Click with CliveProud to announce a new release, Click With Clive [url="https://jbizzel.itch.io/click"]https://jbizzel.itch.io/click[/url] I'm also working on …

    Proud to announce a new release, Click With Clive

    [url="https://jbizzel.itch.io/click"]https://jbizzel.itch.io/click[/url]

    I'm also working on a Next version and ULA+ support, that will be part of this release once complete.
    Lost Lost April 2022 Brand new software
  • Built a ZX Spectrum that works, but can't get the upper RAM to work?Like the title says I finished my Spectrum 3B board, and it boots, but it doesn't see the upper 32k of RAM. When it boots, the lower 16k works f…

    ... my oscilloscope (on both the ULA and CPU), however, the voltage ...
    DistantStar001 DistantStar001 June 2022 Hardware
  • Exact emulation of the Snow effectAs the original post on another forum is outdated, and for those who don't know about that forum, I duplicate this info here: At the beginning of …

    ... reading screen data by the ULA and memory regeneration by the ... , the interference of reading ULA screen data and memory regeneration ... those that based on original ULA.

    Additionally, ... cycle with the ULA screen drawing cycle, the ULA works normal, ...
    weiv weiv October 2022 Emulators
  • BEST EMULATOR EVER ?!?somebody already proved many emulators? what is the best emulator?

    I've found RealSpec to be quite stable under windoze (even NT!) - It's definitely worth it for the excellent accurate ULA emulation - even if you have to DOS restart.
    Fuzzbucket Fuzzbucket November 2001 Emulators
<1…20212223242526…34>

Latest Posts

  • Minor British Sports that did become games on the ZX Spectrum
    dmsmith on 11:22PM
  • I bought an accoustic guitar. How do you play it?
    Maroc's Other Projection on 9:55PM
  • Goodbye Z80
    moggy on 9:07PM
  • Happy 40th Birthday to the Amstrad CPC464!
    AndyC on 6:29PM
  • Another Birthday! The Game Boy Is 35!
    dm_boozefreek on 6:17PM
  • I am currently watching.....
    Antiriad2097 on 5:05PM
  • European Software Titles with an English version
    harriusherbartio on 12:06PM
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21

HitBox

Word Docs Hits
ula 7.3K 13K
40077 28 32

Related Threads

  • ULA......Woooooo and ULA 160??'ello all from down under !<br /> <br /> they don't know the speccy well this way it seems, <br /> <br /> anyways, picked up my brand new astra yeste…
  • Serching for ZX printer ULA and ZX interface I ULAIs there anyone having any spares. In both cases, I swapped ULA's from working equipment which fixed things, so I'm 100% sure it's the ULA that is ca…
  • Where: ZX Printer ULA's and ZX interface I ULA'sIs there any source left for these ULA's? Alot of tings can be replaced, like the ZTX transistors and occasionally you can come accross a normal ZX S…
  • WANTED: 128k+ or 128k +2(early grey mod.) ULA chipHello,<br /> Attempting to repair my 128k+ speccy.<br /> Needs a ULA(IC1)chip from either a 128k+ or an early +2 will work also.<br /> If anyone has …
  • ULA schematicsHi everyone.<br /> <br /> Some while ago I remember getting hold of some circuit schematics of the innards of the Speccy 48K ULA. Sadly I've since lo…
  • ULA?Just curious, what does ULA stand for - I'm guessing Ultra Large (Gate) Array?
  • The ULA and ScreenI've asked something similar before but please bear with me.<br /> <br /> I'm trying to understand the way the screen is controlled.<br /> <br /> The…
  • sound input causing dead ula in +2 ?I have a dead +2a (it shows static black screen, no border see: [url="http://www.worldofspectrum.org/forums/viewtopic.php?topic=9619&amp;forum=4)"]ht…
  • ULA chipHi.<br /> <br /> Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ?<br /> Also looking for one 7805 heatsink...<br /> <br /> Thank
  • UlaI remplaced an ULA 6c001-6 by an ULA 6c001-7 chip on issue 3B board.<br /> It is "crucial" to remove R32 and adding the 2x NAND gates ??? or not ?<br…

Related Searches

  • 3b ula
  • issue 3b ula
  • harlequin modified ula
  • ula model 2
  • ula
  • zx 2 ula
  • zx 2 ula interchange
  • zx 2 ula swap
  • grey 2 ula swap
  • ula 128
  • 40077
  • ula replacement
  • 2b dead ula
  • black 2 dead ula
  • slam ula
  • wip ula
  • ula replacement module
  • a15 ula
  • ula clon
  • ula xc95144

Copyright © 2024 World of Spectrum