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 0.008s
<1…16171819202122…34>
  • RGB to VGA convertor for ZX128/+2/+2A/+3David Luftner release source code (VHDL) of SCANDOUBLER for ZX128/ZX128+2/+2A/+3: [url]http://velesoft.speccy.cz/other/scandoubler-for-zx128_fixed_by…

    ... .4690 MHz from ZX board. ( ULA chip use 17.7345 MHz ...
    velesoft velesoft July 2010 Hardware
  • Issue 2 issue (...)Just acquired an issue 2 Spectrum 48 K, selled as working board, not working keyboard. Before testing it with a psu I opened the case and discovered …

    ... on z80 side facing the ula) just at the transistor plastic ... Service Manual that, related to ula 5c112 timing problems, speaks about ...
    Cignale Cignale July 2010 Hardware
  • Picture interference on red areas.I recently got a 48K Speccy off eBay, did a composite mode and it seemed to work OK, but then my TV had to go off for repair so I didn't use it for a…

    ... faults, e.g. an aging ULA or other components?
    joefish joefish July 2010 Hardware
  • ZX ULA Book releaseThe book is complete and with the printer. Once the proof copy is back and checked, and assuming no changes are required, I'll start shipping all you…

    The book is complete and with the printer.
    Once the proof copy is back and checked, and assuming no changes are required, I'll start shipping all your pre-orders.

    It's been an effort like no other I've experienced!

    To keep ...
    csmith csmith July 2010 Sinclair Miscellaneous
  • New stereo audio board for fitting on AY chip - interested?Hi, I developed a small board that fits on the AY chip inside 128K ZX Spectrums: [IMG]http://www.benophetinternet.nl/hobby/vanmezelf/stereo_audio.j…

    ... beeper sound right off the ULA or from the sound output ...
    bverstee bverstee August 2010 Hardware
  • Things I'd ask Chris Smith if he would give an interview about his book and researchGiven your current knowledge about the ULA interns, knowing what technology was capable to do those days, and knowing what people then and now would …

    ... your current knowledge about the ULA interns, knowing what technology was ... been possible using the same ULA model? In other words, would ... sprites, fit into a 6C001E ULA device? Did Altwasser push the ... ULA to its limits? Have you ...
    mcleod_ideafix mcleod_ideafix August 2010 Hardware
  • Spectrum hangs upWhat might be problem when my ZX Spectrum 48K (rubber keys) hangs up after few minutes play? It had memory problems but i changed (or an expert did i…

    ... that everything is OK. Also ULA is OK (i tested it ...
    lillaolle64 lillaolle64 August 2010 Hardware
  • Micro Command - voice recognition for the ZX SpectrumIt's an interface you might know about. This is it: [img]http://www.zxprojects.com/images/stories/microcommand/microcommand.jpg[/img] I've found som…

    ... like to know if an schematic of this exists somewhere. As ...
    mcleod_ideafix mcleod_ideafix August 2010 Hardware
  • The Sadness of my Decaying Speccies.I've been avidly collecting ZX Spectrums since the late 90's and whilst at the time of the late 90's and early millennium my Spectrums and associated…

    ... to custom chips like the ULA when they get old? Will ...
    Scottie_uk Scottie_uk September 2010 Sinclair Miscellaneous
  • 128 port hardware patchReading the ULA book has reminded me of something. In The Spectrum Hardware Manual (Adrian Dickens) there is a hardware patch to allow free use of al…

    Reading the ULA book has reminded me of ... the CPU to fix a ULA bug (p71). The following diagram ... hardware patch that disables the ULA when A7=0?
    Ta ...
    Jonathan Harston Jonathan Harston September 2010 Hardware
  • +3 issues....Hello All I came by a couple of +3's on ebay and I'm having issues with them. Since I only ever owned a rubber key, thought someone might be able to…

    ... of screen roll. This the ULA chip gone bad?

    pigdog pigdog September 2010 Hardware
  • Help with broken SpectrumHi There, Just received a ZX Spectrum computer. It's an issue 3B (48k version). When I power it up (9V centre pin -V) nothing happens. It's complete…

    ... OK (perfect 5V).
    The ULA gets a bit hot. Other ...
    Oldskool Oldskool September 2010 Hardware
  • emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…

    ... only 81 had pretty convincing ula interference but now dot crawl ... and ula snow - though these are not ... reader please help
    the ula+ is only for the harlequin ... time or with the spectrum ula a whole third of the ...
    Roger Jowett Roger Jowett September 2010 Emulators
  • +2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…

    ... redrawing/correcting of the +3 schematic I'm uncovering lots of ... are many differences between the schematic from the "+2A +3" diagram ... them are errors as the schematic has several other obvious errors ...
    guesser guesser September 2010 Hardware
  • Memory upgradeHi! I bought a 16K rubber key Spectrum. It's said in the box and memory test program also said it's 16K machine. Strange thing is that there is yell…

    ... also 4 empty sockets between ULA and Z80.
    My question ...
    lillaolle64 lillaolle64 October 2010 Hardware
  • How looks a Spectrum shown in a TFT VGA monitor?Some people has just asked me if a cheap Dealextreme VGA Box is capable of showing a decent picture from a ZX Spectrum. Well, I've just modded one r…

    ... plain, without artifacts, other than ULA and composite video artifacts.
    mcleod_ideafix mcleod_ideafix October 2010 Hardware
  • SpecEmu 2.9I've been taking the latest versions of SpecEmu from the ULA Plus web site as and when they've been appearing, but the latest one (build 15/08/10) se…

    ... versions of SpecEmu from the ULA Plus web site as and ...
    Lee Tonks Lee Tonks October 2010 Emulators
  • Do ULAs die?Thought I'd start this thread as people often think their ULA is dead, when it's actually the RAM or power circuits. Searching the forum in the futur…

    ... as people often think their ULA is dead, when it's ... I've never known a ULA to die.[/i]

    ULA on a breadboard with the ...
    csmith csmith October 2010 Hardware
  • VIC 20 on the SpectrumThe original "20 Commodes" program released for CSSCGC 2008 has been improved and now has its own entry in WoS. The improved code has been sitting on…

    ... more boxes :

    1) ULA-II support to show those ...
    Jimmy Jimmy October 2010 Announcements
  • opus discovery repair?I just got one today, that isn't working.. I notice there is a schematic on here.. is there any service manual etc? there was a guy in SW London , I…

    ... .. I notice there is a schematic on here.. is there any ...
    fog fog November 2010 Hardware
  • TV went black & white...Yesterday my old, trusty CRT television suddenly decided to show TV channels in black & white only. (and nothing of value was lost... :grin:) It's a…

    ... ? :-?

    Btw: I have schematic, TV electronics are not my ...
    RetroTechie RetroTechie November 2010 Chit chat
  • Question about ZX81 componentAfter I cleaned and replaced some components (7805, two electrolytic caps) with fresh ones, and replaced the RF board with a composite one, on an iss…

    ... is right next to the ULA the screen was coming back ...
    gtsamour gtsamour December 2010 Hardware
  • Interesting AuctionCheck out the speccy with a 'bank' of LEDs and the Atic Atac Poster. [url]http://cgi.ebay.com/SInclair-ZX-Spectrum-lot-parts-books-ula-feet-etc-/270…

    Check out the speccy with a 'bank' of LEDs and the Atic Atac Poster.

    [url]http://cgi.ebay.com/SInclair-ZX-Spectrum-lot-parts-books-ula-feet-etc-/270675478234?pt=UK_VintageComputing_RL&hash=item3f058406da[/url]
    beanz beanz December 2010 Sales
  • FS: My 48kIve decided to sell my personal, everyday 48k rubber key, reason being ive recently took delivery of another but this has nearly everything on the bo…

    ... ), new membrane and now working ULA in it (as supplied and ...
    Macc Macc December 2010 Sales
  • Ula 6c00ieHi is anyone will to part with 1 or 2 of these for ?10 ea? Ping me I you can help

    Hi is anyone will to part with 1 or 2 of these for ?10 ea?

    Ping me I you can help
    hedge hedge December 2010 Wanted
  • broken 48K, strange screenwell I finally socketed all lower 16K ram chips, (8 of them in a row near corner, not those 4 in two rows) and replaced them with new ones but it did…

    ... is turned on.
    strangely, ULA chip on this 48K is ...
    orange orange December 2010 Hardware
  • ZX Spectrum 48K,issue two - can't get it repairedI have an issue 2, which has some weird very small PCB hanging over the Z80. Some wire go to various places on the big PCB, two go to connections 36 …

    ... 36 and 37 of the ULA.

    Replaced TR4 and ... say:
    Z80 = working
    ULA = working (type is 5C102E)
    georgedb georgedb January 2011 Hardware
  • ZX Spectrum 48K, issue - works fine till it gets hot (?)ZX Spectrum 48K, issue 2, works just fine, tested with Winston's diag board. At a certain moment in time however, it seems to run hot and stalls. Whe…

    ... .

    Voltage regulator and ULA both get very hot, but ...
    georgedb georgedb January 2011 Hardware
  • Issue 6a black and white problemGot a 6a board, no colour, black and white striped border (when it should be blue or red), and the display visibly judders left and right slightly ev…

    ... ?

    Composite modded, replaced ULA, checked memory, could this be ...
    Macc Macc January 2011 Hardware
<1…16171819202122…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