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…15161718192021…34>
  • Sinclair ZX 48K rubber keyed faultyI bought a faulty Sinclair ZX 48 K. Power on and the screen shows only 4 vertical white bars. Nothing other happend. I swapped the ULA and it is ok. …

    I bought a faulty Sinclair ZX 48 K. Power on and the screen shows only 4 vertical white bars. Nothing other happend. I swapped the ULA and it is ok. PSU is already ok.

    Any idea what's wrong?


    Micky
    -Micky -Micky January 2010 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 …

    ... removed ands re-seated my ULA a couple of times. It ...
    hedge hedge January 2010 Hardware
  • Spectrum Video Circuitry.Wotcha, I've looking at the circuit diagram of the speccy video circuitry (Hey, I'm snowed in, and theres only so much Civ IV i can stand :p), and I…

    ... purpose of VCC2 from the ULA?

    Thanks ...
    spodula spodula January 2010 Hardware
  • Cyberbig (Animagic S.A.)So, on dm_boozefreek's semi-recommendation (he's bored of it now) I've been playing [url=http://www.worldofspectrum.org/infoseekid.cgi?id=0010481]Cyb…

    ... , and this is with standard ULA emulation.

    So has ...
    Vertigo Vertigo January 2010 Games
  • multiface 1 troubleshooting?ok I picked up one today, v1.. tried it on a 48k machine.. you hit the button , and your supposed to get a menu? this one just resets and the info …

    ... are 2 jumpers on the schematic, that aren't on the ...
    fog fog January 2010 Hardware
  • flickering noisy screenI have just replaced the ram and ULA. The spectrum boots up OK but the screen is very noisy/wobbly/flickering really annoying :) I am wondering how …

    ... just replaced the ram and ULA. The spectrum boots up OK ...
    hedge hedge January 2010 Hardware
  • ULA Book Price - Feedback PLEASEThe book is coming together very nicely, and I am in the process of kicking off all the administration tasks like getting ISBN numbers and setting up…

    The book is coming together very nicely, and I am in the process of kicking off all the administration tasks like getting ISBN numbers and setting up with the printers.

    In order to do this, I need to set the price. The intention is to try and ...
    csmith csmith February 2010 Sinclair Miscellaneous
  • IF1 and 48k Capacitor QuestionsHi, I am not very knowedgeable about electronics but I am willing to give stuff a go.. I have a microdrive that is not performing and for various r…

    ... assume is leg1 of the ULA through to a leg on ...
    hedge hedge February 2010 Hardware
  • Multiface One problemsI bought a Multiface One. After a lot of trouble I changed the CPU because NMI was faulty. Saving a game is no problem. When I load a saved game it…

    ... faulty? I looked into the schematic but only the Z80 makes ...
    -Micky -Micky February 2010 Hardware
  • TS2068 twister boards (fixers)A few years I helped Anestis coordinate a group order of K-Mouse Turbo interfaces. This time it's something that might appeal to most Timex TS2068 us…

    ... ]

    Here's the schematic in case someone wants to ...
    zxbruno zxbruno February 2010 Sales
  • ZX Demos and the wow factorI remember reading a few comments in the past 3 years regarding demos. Some comments included how boring it was to see this or that effect again, how…

    ... good."? The DivIDE and the ULA+ are good examples of this ...
    zxbruno zxbruno March 2010 Development
  • Is there any video input on expansion bus?Imagine you want to build a custom display hardware, for instance, to add hardware sprites to display. Is it possible to design such a device so that…

    Imagine you want to build a custom display hardware, for instance, to add hardware sprites to display. Is it possible to design such a device so that the video signal can go into Spectrum, ULA and then to standard RF socket?
    maiki maiki March 2010 Hardware
  • Someone can help me to fix my Zx Spectrum?I did a video about the startup: [url]http://dl.dropbox.com/u/1566495/ZXSPECTRUM03.mp4[/url] I have replaced the ULA with a working one (same proble…

    ... />
    I have replaced the ULA with a working one (same ...
    gibs gibs March 2010 Hardware
  • Midi out on a ZX SpectrumYears ago (may be over 15 years...) I soldered a small adapter that lets a keyboard or synthesizer connect to the ZX Spectrum 128K's midi/RS232 port.…

    ... RS232/Midi port (see the schematic underneath).
    But now I ... [/IMG]

    The upper schematic is what I'm currently ...
    bverstee bverstee March 2010 Hardware
  • Have a real 48k Speccy? yes ? I need your help.Im looking to run this quick test on as many [COLOR="Red"](only)[/COLOR] 48k Spectrums as possible [B][COLOR="Red"]files moved[/COLOR][/B] [URL="ht…

    ... the board issue, the CPU, ULA you have inside please report ... ="red"]Zilog Z80A[/COLOR]
    ULA: [COLOR="red"]6C001E-7[/COLOR ...
    Richard_Butler Richard_Butler March 2010 Development
  • Static vs stacked local variables in z88dkHello everyone. I'm doing a program for Spectrum 48KB with z88dk v1.8 (XX Mar 2008), and I eventually discovered that if your local variables in fun…

    ... address 32768, far from the ULA's hands, while the stack ...
    Ricardo Cancho Ricardo Cancho April 2010 Development
  • Timex 2048 documentsHi, I got Timex 2048, seems to work, but no colors on screen :cry:. Neither TV out, nor Composite works. ULA fault ? It seems TC 2048 uses MC 1377 a…

    ... TV out, nor Composite works. ULA fault ?
    It seems TC ...
    kpuchatek kpuchatek April 2010 Hardware
  • Tricks with IN 31It's generally considered unwise to use a Kempston joystick's fire button to start a game, because the floating bus effect can make arbitrary data ap…

    ... read IN 31 while the ULA is still drawing the upper ...
    ajmoss ajmoss April 2010 Hardware
  • OMD at the Vintage Computing FestivalJust got this via Farcebook: (Also add to the list of speakers our very own [B]csmith[/B] on the Spectrum ULA) NEWS RELEASE A walk on the geek side …

    ... ]csmith[/B] on the Spectrum ULA)

    NEWS RELEASE
    Winston Winston April 2010 Announcements
  • Spectrum+ from ebayI recently received a Spectrum+ that I bought off ebay for about ?10 including postage. I have not tested it yet but had a quick look inside through …

    ... can remember. Spectrums were all ULA, transistor and RAM faults, or ...
    alien8r33d alien8r33d May 2010 Hardware
  • FLASH EPROM programming on ZX SpectrumThis is photo of Winston's DIAGNOSTIC BOARD: [img]http://velesoft.speccy.cz/other/diagboard.jpg[/img] Schematic and flash utilities: [url]http://www…

    ... /diagboard.jpg[/img]

    Schematic and flash utilities:
    [url ...
    velesoft velesoft May 2010 Hardware
  • +3 FaultsI have some Spectrum +3s for testing - looks like they all need drive belts. One will not start up and shows a screen of yellowy green, then one of …

    ... . Ah I thought - maybe the ULA - the other +3's case ...
    rwap rwap May 2010 Hardware
  • Re-inventing the wheel......TROOPER: POINT 5 First an apology, my level design sucks (well I'm not happy with it) so Trooper is taking an age to do. Anyway this game comes …

    ... , I ws thinking of a ULA+ version but the loading screen ...
    BiNMaN BiNMaN May 2010 Development
  • Why only 2 colors ?Maybe this question dont go on this part of the forum, but dont know what other part to ask. Why the Spectrum only can show 2 colors at time in the …

    ... memory. Maybe not the same ULA ?

    Do you really ...
    arfgh arfgh June 2010 Sinclair Basic
  • testing if speccy is fully functionalHi, There is so much mention of T states but still confused. Does this mean if an instructin is out by a T-state or more then the speccy is faulty?…

    ... to check the CRC of ULA, the basic rom and the ... that checks the basic rom, ULA, and Z80 processor and memory ...
    naz2000007 naz2000007 June 2010 Sinclair Miscellaneous
  • Hypothetically....If you were putting together a "Spectrum +4" what presently available hardware would you include. My criteria would be total comparability (or as ne…

    ... a single chip or new ULA's, extra RAM or anything ...
    ADJB ADJB June 2010 Hardware
  • VCF report and photosNot sure where to put this, exactly...but here it is, what went on at the Vintage Computing Festival at Bletchley Park last weekend. Finally I've fo…

    ... and faithful to the 48K ULA - all the timings and other ... effects of the ULA are the same.

    Winston Winston June 2010 Sinclair Miscellaneous
  • RFC: ZXI hardware interface standardisationReposted from c.s.s to reach a wider audience [QUOTE=Andrew Owen] You may have noticed that there are more people making add-ons for the Speccy than…

    ... how bad it is, the ULA uses 32768 ports. Most of ...
    guesser guesser June 2010 Hardware
  • Summer express game competetionHello to all. I would like announce SUMMER EXPRESS GAME COMPETETION: [B]Theme:[/B] a game [B]Deadline:[/B] 1st September 2010 [B]Target:[/B] ZX Spe…

    ... :[/B] ZX Spectrum 48 + AY (ULA+ allowed)

    [B]Rules ... is 48K zx with AY (ULA+ allowed)
    5) Basic, authoring ...
    Fikee Fikee June 2010 Development
  • LDIR timings in contended RAM?The 48K Spectrum technical reference page ([URL="http://www.worldofspectrum.org/faq/reference/48kreference.htm"]here[/URL]) describes the detailed ti…

    ... have to wait for the ULA to release the wait state ... ]next[/I] gap in the ULA wait states before it can ...
    ajmoss ajmoss June 2010 Development
<1…15161718192021…34>

Latest Posts

  • 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
  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21

HitBox

Word Docs Hits
ula 7.3K 13K
schematic 1.4K 1.8K

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 …
  • +3 schematic wanted.Does anyone have a link where it is on the web ? cheers!
  • Issue 6a SchematicSince a scanner will only get you so far in reproducing a clear image I decided edit the 6a schematic to take the fuzz out. <br /> <br /> Martin like…
  • 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…

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
  • psu schematic
  • ula replacement
  • 2b dead ula
  • black 2 dead ula
  • slam ula
  • wip ula
  • ula replacement module
  • a15 ula
  • beta128 schematic
  • ula schematic

Copyright © 2024 World of Spectrum