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<1234567…34>
  • 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…

    ... can see there were two ULA revision used in TC2048.

    ULA schema first with pins, then ...
    kpuchatek kpuchatek June 2010 Hardware
  • Which Speccy game had best border effectsIn truth, I'm just trying to remember a game from my youth, and the amazing border effect during pause is the only thing I can clearly recall about i…

    ... is shifted depends on the ULA revision according to csmith's book ...
    guesser guesser January 2012 Games
  • Which Speccy game had best border effectsIn truth, I'm just trying to remember a game from my youth, and the amazing border effect during pause is the only thing I can clearly recall about i…

    ... is shifted depends on the ULA revision according to csmith's book ...
    rich_chandler rich_chandler January 2012 Games
  • Which Speccy game had best border effectsIn truth, I'm just trying to remember a game from my youth, and the amazing border effect during pause is the only thing I can clearly recall about i…

    ... is shifted depends on the ULA revision according to csmith's book ...
    BiNMaN BiNMaN January 2012 Games
  • 48K Upper memory issues?Having more issues with the 48K spectrum I just fixed that had the black screen in this thread [URL="http://www.worldofspectrum.org/forums/showthread…

    ... this relates to motherboard or ULA revision but I have tried loading ...
    protek protek November 2014 Hardware
  • What's the best solution for audio loading on a 48k?I have three 48k Speccies. All have been recapped and AV modded, but only one (an issue 4A) is currently loading via Teezix. (the other two (issue 3…

    ... the digitizing circuitry inside the ULA, we are taking about ... with the same board revision and the same ULA revision.
    Also ... between different versions of the ULA, and maybe different batches ... of the same ULA version.

    The ...
    1024MAK 1024MAK May 2016 Hardware
  • ZX Spectrum 48k ULAlooking for a ZX Spectrum 48k ULA Thanks Phil

    [quote="nama;923369"]ULA is a 6C001e-7, and ... , and is the latest 48K ULA revision. It will work in all ... 48K Spectrums (ULA chips are backward compatible with ...
    Ast_A_Moore Ast_A_Moore September 2017 Wanted
  • Broken keyboard due to broken ULARecalling csmith's thread about dead ULAs, a thread appeared in the Zonadepruebas (Spanish) forum regarding... a dead ULA, but only a partially dead …

    ... ) forum regarding... a dead ULA, but only a partially dead ... life.

    "Another ULA knackered!" I thought...but... how ... to read something from the ULA. This combination (the most ... Date 26/10/2010 ;
    Revision 01 ;
    Designer Miguel Angel ...
    Winston Winston October 2010 Hardware
  • Wanted: Rubber Key 48K M/board or ULAI have a spectrum that isn't too happy. It seems to be a problem with the ULA... So, has anyone got a spare working motherboard that'll fit in my ca…

    ... be a problem with the ULA...
    So, has anyone got ... my case, or a ULA for a 3b revision? I will happily ... .

    The current ULA has Ferranti ULA 6C001E-6 / 8351 stamped ...
    Jason9 Jason9 March 2011 Wanted
  • Wanted Spectrum ULAI'm looking for a working replacement ULA for my Issue 3B Spectrum. Revision 6C001E-6 or 6C001E-7. Thanks!

    I'm looking for a working replacement ULA for my Issue 3B Spectrum. Revision 6C001E-6 or 6C001E-7.

    Thanks!
    protek protek April 2014 Wanted
  • 48K picture quality vs motherboard revision?A subject thas has probably been covered elsewhere and hundreds of times, I know. But I never quite understood if there was some identifiable patt…

    ... some combination of motherboard revision with a particular ULA that yeld the ...
    Renegade Renegade March 2019 Hardware
  • 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…

    ... .gl/pqeYpXnLqTwYkLvKA[/img]

    revision one of my external keyboard ... read .. trying to read the ULA book by chris smith .. very ...
    mark8bit mark8bit August 2021 Hardware
  • WANTED: 128k+ or 128k +2(early grey mod.) ULA chipHello, Attempting to repair my 128k+ speccy. Needs a ULA(IC1)chip from either a 128k+ or an early +2 will work also. If anyone has this chip or has a…

    ... 128k+ speccy.
    Needs a ULA(IC1)chip from either a ... 's broken(other than the ULA), please give me a shout ...
    thomas3120 thomas3120 January 2003 Wanted
  • ULA schematicsHi everyone. Some while ago I remember getting hold of some circuit schematics of the innards of the Speccy 48K ULA. Sadly I've since lost the files…

    ... innards of the Speccy 48K ULA. Sadly I've since lost ...
    Laser Laser August 2005 Sinclair Miscellaneous
  • ULA?Just curious, what does ULA stand for - I'm guessing Ultra Large (Gate) Array?

    Just curious, what does ULA stand for - I'm guessing Ultra Large (Gate) Array?
    cg cg November 2005 Hardware
  • The ULA and ScreenI've asked something similar before but please bear with me. I'm trying to understand the way the screen is controlled. The ULA controls output to …

    ... is controlled.

    The ULA controls output to the the ... need to change the ROM,ULA and add more RAM ?? or ...
    Saboteur Saboteur November 2005 Hardware
  • 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&forum=4)"]http:/…

    ... /> I started to think why ula suddenly broke. 'Deadth' posted ... connected tape leads can damage ula.

    Also found ... 1b652469b2ff16c9?lnk=st&q=ula&rnum=18#1b652469b2ff16c9"]http ... 1b652469b2ff16c9?lnk=st&q=ula&rnum=18#1b652469b2ff16c9[/ ...
    Timppa Timppa November 2005 Hardware
  • ULA......Woooooo and ULA 160??'ello all from down under ! they don't know the speccy well this way it seems, anyways, picked up my brand new astra yesterday, and it's got some …

    ... plates on it

    ULA 160

    i'm ...
    bleugh bleugh November 2006 Sinclair Miscellaneous
  • How to determine the revision ?Is there any way to check the revision of a Spectrum without disassembling it ?

    Is there any way to check the revision of a Spectrum without disassembling it ?
    Pilsener Pilsener December 2006 Sinclair Miscellaneous
  • TZX revision 1.20 finalSince everybody seems to agree with the last propositions, the specification for the TZX file format revision 1.20 now becomes final and you can find…

    ... for the TZX file format revision 1.20 now becomes final ... that supports the 1.20 revision.
    Mikie Mikie December 2006 Emulators
  • ULA chipHi. Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ? Also looking for one 7805 heatsink... Thank

    Hi.

    Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ?
    Also looking for one 7805 heatsink...

    Thank
    Gods Gods May 2007 Wanted
  • UlaI remplaced an ULA 6c001-6 by an ULA 6c001-7 chip on issue 3B board. It is "crucial" to remove R32 and adding the 2x NAND gates ??? or not ? Thanks.

    I remplaced an ULA 6c001-6 by an ULA 6c001-7 chip on issue 3B board.
    It is "crucial" to remove R32 and adding the 2x NAND gates ??? or not ?

    Thanks.
    Gods Gods June 2007 Hardware
  • Fuse for Mac OS X beta releasesA beta version of Fuse for Mac OS X has been released at the dedicated sourceforge project: [url]http://sourceforge.net/projects/fuse-for-macosx/[/u…

    ... in changes from upstream Fuse revision 3044
    [list]
    [*] Add ... active, as the +2A/+3 ULA applies contention only when MREQ ...
    Fred Fred July 2007 Emulators
  • Spectrum ULAHi new to forum ,and have been a speccy owner/fan since the begining{like most 30 somthins on this forum !) Anyway what i want to know is the ULA th…

    ... want to know is the ULA the same from issue 3 ...
    MARKZX MARKZX July 2007 Hardware
  • ULA RAS, CAS cycles, refresh and "snow effect"Hello everyone. I have a question, does anyone observed timings of RAS and CAS generated from ULA? I think there may be answer to where the "snow ef…

    ... and CAS generated from ULA? I think there may ... Ramsoft incorrectly states that ULA doesn't stop CPU ... [LIST=1]
    [*]The ULA address drivers do not open ... I'm curious what exactly ULA is doing then.
    ... reading from it by ULA. The address while bytefetch ...
    brian-82 brian-82 November 2007 Development
  • 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…

    Is 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 causing the problem.

    Is there anyone who can help?
    georgedb georgedb December 2007 Hardware
  • Spectrum ULA replacement!Hi gang.. The Speccy 48 ULA Replacement is *almost* here ;) There has been lots of activity in building the CPLD board, sorting out some irritating…

    ... gang..
    The Speccy 48 ULA Replacement is *almost* here ;)

    Anyway, the machine with ULA replacement doesn't quite boot ...
    csmith csmith April 2008 Hardware
  • ULA Book - Target Audience?This is probably of most intrerest to hardware chaps, but a greater community input would be good. I've been turning all my ULA analysis into a love…

    ... been turning all my ULA analysis into a lovely ... "The Sinclair ZX Spectrum ULA". I'm doing this ... time as creating a complete ULA replacement, so effort is ... features of the machine the ULA encapsulates.
    Do I ... the specifics of the ULA internals, it's going ...
    csmith csmith May 2008 Sinclair Miscellaneous
  • Wanted: RGB SCART cable for heatsink 128K and ULA for issue 3 ZX SpectrumHi all, I'm after an RGB SCART cable for a heatsink 128K as well as a replacement ULA for an issue 3 ZX Spectrum (Ferranti ULA from memory). Can an…

    ... as well as a replacement ULA for an issue 3 ZX ... Spectrum (Ferranti ULA from memory). Can anyone help ...
    gizmomelb gizmomelb May 2008 Wanted
<1234567…34>

Latest Posts

  • 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
  • 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

HitBox

Word Docs Hits
ula 7.3K 13K
revision 779 986

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 …
  • SDP Project Revision.Hi folks,<br /> <br /> I doubt we're gonna hit the 60% target which I set for the post/christmas .TZX Vault update. Funds have been short and we've …
  • 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…
  • 4th Dimension revisionI've sourced a working copy of the 4th Dimension, the titles listed in Infoseek sare slightly wrong...<br /> <br /> Side 1:<br /> Klimax<br /> Rollar…

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