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…14151617181920…34>
  • Standard for upgrading the original ZX Spectrum[B][U]1. Easily connect external ULA and video RAM.[/U][/B] [url]http://zx.clan.su/forum/8-102-576-16-1352476666[/url] The method consists in blocki…

    ... ][U]1. Easily connect external ULA and video RAM.[/U][/B ... the CPU clock of the ULA, and connect the external clock ... lock the clock on the ULA, set the zero level at ...
    Black_Cat Black_Cat November 2012 Hardware
  • ZX Eprom replacing Rom problemsI got a programmer today so I could finally flash the Xicor X28C256 eproms I have with ZX128 rom, to be used in my upgraded 48K machine. But for some…

    ... the circuit that handles new A15 etc for the 128k upgrade ...
    Johan1973 Johan1973 November 2012 Hardware
  • How far are we from a single-chip 100% ZX Spectrum compatible solution?I really like to read about the projects of some geniusses here on WoS who are working on their ZX Spectrum clones. IMHO some main steps that have b…

    ... description of the ZX Spectrum ULA
    2. the clones without ... the ULA but with only logic chips ...
    3. the ULA plus/SPECTRA solutions inside an ...
    bverstee bverstee December 2012 Hardware
  • Memotech MTX 512 Speculator addonWhen Googling a bit I stumbled across this website: [url]http://primrosebank.net/computers/mtx/mtxphoto.htm[/url] The Memotech MTX 512 offers an opt…

    ... .
    Only there is no ULA: it's functions are embedded ...
    bverstee bverstee December 2012 Hardware
  • Configuration of FPGA coresHi all! Lately a lot of features have been added to the V6Z80p Spectrum core. Most of them are handled (clearly) using ports. Some examples: ULA+, Ti…

    ... ) using ports.
    Some examples: ULA+, Timex modes, Kempston Joystick, etc ...
    adorigatti adorigatti January 2013 Hardware
  • Correction of +2 hardware errorsThis is a collection of various pieces of information picked up from various places, including a lot from this forum. I have edited it and reworded i…

    ... (from pin 23 of the "ULA").
    TR7 is the transistor ... that pulls the ULA's /IOREQ line high when ... only slightly quieter than the ULA/cassette generated sounds.

    ULA pin. Try not to change ...
    1024MAK 1024MAK January 2013 Hardware
  • Zero 0.5 ReleasedAfter a bit of a hiatus, the next update of Zero is now available [URL="www.ramtop.wordpress.com"]here[/URL]. Feedback and bug-reports appreciated! …

    ... in full screen.
    + Added ULA Plus and +3 disk support ... IN contention (Woody).
    - Fixed ULA PLus emulation that was broken ... over it. (Obo)
    - Fixed ULA Plus timing and colours (Andrew ...
    Arjun Arjun January 2013 Emulators
  • Issue 6A trouble[url=http://postimage.org/image/xp4rtmfp1/][img]http://s18.postimage.org/xp4rtmfp1/P040213_13_34_01.jpg[/img][/url] Only socketed chip is ULA which …

    ... />
    Only socketed chip is ULA which ive swapped out just ...
    Macc Macc February 2013 Hardware
  • Designing a Modern 'Professional' low cost ZX Spectrum ??Hi, I'm looking at designing a low cost hight performance (20MHz) ZX Spectrum... in the mould of the original, but using modern-day components. The…

    ... or two as glue logic+ULA etc)
    V9958 Video IC ...
    lezanderson lezanderson February 2013 Sinclair Miscellaneous
  • PlusD Mini: implementing the CPLDI am doing my first attempts on creating a CPLD to use as replacement for the PlusD's GAL (and other logic lateron). I use the Xilinx XC9500XL series…

    ... * /a4 * a3 * /a2 * /a1 * /a15 * /a14 * /a13 * sel
    + / ... * a4 * a3 * /a2 * a1 * /a15 * /a14 * /a13 * sel
    + ... /csrom = zxrom * iorq * /mreq * /a15 * /a14 * /a13 * /rd
    ... /csram = zxrom * iorq * /mreq * /a15 * /a14 * a13

    ...
    bverstee bverstee February 2013 Hardware
  • +2 fried using the datacorder(Hi, first post here.) I just got hold of an extremely battered and bruised +2 sold to me for spare parts. As usual I plug it in, hook it up to the …

    ... thinking it's either the ULA or some RAM that's ...
    actel actel February 2013 Hardware
  • Spectranet firmware update: TAP file loading fixArchie Robins discovered a problem whereby interrups were being erroneously enabled on the return from a tape trap (that is, when TAP files are being…

    ... will be overwritten if a ULA interrupt occurs. This is usually ...
    Winston Winston March 2013 Hardware
  • March offers: lot's of parts!!!I have PLENTY parts available like a lot of 4164 ram chips. I even got some rare spare parts like ZX Spectrum issue two ULA's. - Logic chips: 74LSXX…

    ... like ZX Spectrum issue two ULA's.

    - Logic chips ... each[/B]

    - 48K ULA
    [B]10 GBP each ...
    bverstee bverstee March 2013 Sales
  • ZX-Paintbrush 2.3 publishedDear readers, Today, I published version 2.3 of ZX-Paintbrush. Inspirated by kgmcneil, I decided to follow his ideas and implemented a switchable p…

    ... , inside the palette editor (the ULA+ palette editor is not mentioned ...
    clausjahn clausjahn March 2013 Emulators
  • Fully-addressed devices initiative (FADI)I would like to introduce an initiative for those who create new pieces of hardware containing legacy devices with well-known addresses. It says that…

    ... interface should detect A0 to A15, and /IORQ and /M1 signals ...
    Jiiira Jiiira March 2013 Hardware
  • Dataline check on Spectrum 128k +2 greyhi all according with this [url]http://tcg.speccy.cz/zoom/pics/plus2sch.png[/url] R22 pin goes to A14 wich is pin 43 of ULA and pin 4 of Z80 bu…

    ... wich is pin 43 of ULA and pin 4 of Z80 ... and not pin 43 of ULA

    some broken here ...
    xaris_sm xaris_sm March 2013 Hardware
  • Improving Composite Output of 48K SpectrumI've been playing around with this Spectrum 48k I got inside a dK'tronics keyboard, because well I've already got two working other ones so why not..…

    ... at the output of the ULA luminance pin, the noise is ...
    RobeeeJay RobeeeJay March 2013 Hardware
  • Flashing coloured blocks - diagnosisHiya, hope this is the right place for this... Was given an Issue 2 48K by a someone yesterday that hasn't been powered on in 20 years, which works …

    ... the voltage regulator, TR4 transistor, ULA, or RAM. I've measured ... 're all cold, however the ULA is a bit toasty to ... touch. How warm should the ULA get?

    Any gut ...
    junosix junosix April 2013 Hardware
  • SPECTRA - RGB SCART Interface for 48K SpectrumSince the launch of the SPECTRA interface back in June 2012, some discussion of it has appeared in the forums in the past (mainly [URL="http://www.wo…

    ... not implement support for the ULA+ specification and it is not ...
    Fruitcake Fruitcake April 2013 Hardware
  • Repair 128k +2 grey part2hi all, i am trying to fix it couple of weeks now, i bought a working one for tests and parts check so until now, power TRs are all news memory IC'…

    ... /> i have replace ROM, Z80, ULA, PCF1306 and IC12 74HCU04
    xaris_sm xaris_sm April 2013 Hardware
  • TQFP Packaged CPLD, Which pin pitch?A quick question for those of you with surface mount experience. I am currently thinking about building a 128k clone, and hopefully have a bit of fu…

    ... 21st Century!)

    The ULA code is going to require ...
    ramsrc ramsrc April 2013 Hardware
  • ARKANOID 128KDid anyone try this game? It was modified to work with an ULA+ (but it works also on regular 128k spectrums) and it have enhanced sound thanks the em…

    ... modified to work with an ULA+ (but it works also on ... download the file (and other ULA+ enhanced games): [url]http://www ...
    Spectrum Spectrum April 2013 Games
  • Help reviving a 128 +2 GreyHello m8s, my turn to ask for some help with a +2 Grey. Got it for spares as I do have a working one but I could not resist to try and fix it. As us…

    ... screen and problem. Swapped Z80, ULA and PCF, still the same ...
    Pluto63 Pluto63 April 2013 Hardware
  • Faulty 48K Issue 3 motherboardHi I have a faulty Issue 3 motherboard and would appreciate it if somebody can steer me in the right direction of where to begin with the fault find…

    ... all the 4116 chips, the ULA, CPU and ROM. All are ...
    Pierre Pierre April 2013 Hardware
  • Anyone searching for those?I come across some of those parts. TS1000/ZX81 ROMs 6C001E7 ULA 2C210E ULA Amstrad 40056 ULA PCF1306P/Amstrad 40058 (ZX8401) Anyone interested?

    I come across some of those parts.

    TS1000/ZX81 ROMs
    6C001E7 ULA
    2C210E ULA
    Amstrad 40056 ULA
    PCF1306P/Amstrad 40058 (ZX8401)

    Anyone interested?
    Encarnado Encarnado April 2013 Sales
  • issue 1 wire broken offHi there have just purchased a issue 1 zx spectrum 48k but there is a wire off on the underside of the board. It is from the ula one goes to the keyb…

    ... board. It is from the ula one goes to the keyboard ...
    kenny.steve kenny.steve April 2013 Hardware
  • ZXMAK2 Version 2.7.3.3Hi all, new version of ZXMAK2 emulator is available here: [url]https://zxmak2.codeplex.com/releases/view/106228[/url] Whats new: - a lot of bugs wa…

    ... specific ROM mapping) and BYTE ULA device
    - improved PENTAGON multicolor ... , currently some specific PENTAGON ULA things still not emulated yet ... most precise emulator for PENTAGON ULA :)
    - and other

    ZXMAK ZXMAK May 2013 Emulators
  • 16K/48K Lower RAM (4116) replacement.You may want to read [URL="http://www.worldofspectrum.org/forums/showthread.php?t=37957"]this thread[/URL] for background information on the quest t…

    ... 2 Spectrum with a 5C ULA, consideration must be given to ...
    Zorn Zorn May 2013 Hardware
  • Issue 3 board... How to resurrect?Dear Everyone, Now I have a working 48k Issue 3, a sort of working Speccy+ (still having problems with the keyboard, more of that in another post) a…

    ... RAM chips, and then the ULA, and then the Z80? I ...
    Simon_Carr Simon_Carr May 2013 Hardware
  • Timex 2048 + Interface 2When playing with ZXC3 cartridge (very nice piece of HW from Paul - highly recommended), I connected original Sinclair IF2 to TC2048 and... no joysti…

    ... this is due to different ULA in TC or other elements ...
    kpuchatek kpuchatek May 2013 Hardware
<1…14151617181920…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott 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
  • European Software Titles with an English version
    harriusherbartio 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
  • Celebrity deaths...
    mel the bell on April 20

HitBox

Word Docs Hits
ula 7.3K 13K
a15 353 596

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
  • ula replacement
  • 2b dead ula
  • black 2 dead ula
  • slam ula
  • wip ula
  • ula replacement module
  • ula clon
  • ula xc95144
  • spectrum 48k no ula
  • ula a15

Copyright © 2024 World of Spectrum