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 0.010s
<1…14151617181920…34>
  • issue 4s for reapirHi All, This time I have issue 4s for repair :) Here is few screen shots and small movie after boot. [url]http://forest.no-ip.org/issue4s/[/url] I kn…

    ... /[/url]
    I know only ula working fine and have good ...
    gorski gorski June 2009 Hardware
  • AY LPT InterfaceI've found by my Friend an Old AY-3-8912 Chip last week. On saturday I have made interface for LPT for PC. And Plugin for EmuZWin. And now I have rea…

    ... this DLL and Schema here... (Schematic is one of that most ...
    xjikka xjikka June 2009 Hardware
  • How feasible is it to add a second CPU to the ZX Spectrum?Today with IDE, and USB, and TCP/IP and other wonderful technologies arriving on the ZX Spectrum, I'm beginning to wonder if we'll run out of CPU tim…

    ... when neither CPU0 nor the ULA are using it. This ensures ...
    wilsonsamm wilsonsamm June 2009 Hardware
  • Issue One 'Dead Cockroach' chipI recently got hold of an Issue One spectrum, and I started wondering: is the dead cockroach chip required due to a flaw on the PCB, or is it really …

    ... really a flaw in the ULA chip itself?

    Also ...
    trellis trellis July 2009 Hardware
  • 2 new FPGA based clone from russiaFirst of all I wanna introduce you to the [B]ZX Evo[/B] by NedoPC -> [URL="http://www.nedopc.com/zxevo/zxevo.php"]http://www.nedopc.com/zxevo/zxevo.p…

    ... an FPGA instead of an ULA, so you can make it ...
    Shockwav3 Shockwav3 August 2009 Hardware
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... various components such as modualtor, ULA, Z80, memory etc.
    ... [CODE]Serial : [xxxxxxxxxxxx] [ colour ]
    ULA : [5C012E 5C112E 6C001E-6 6C001E ... Serial : 001-62176 white
    ULA : 5C102E 8217
    CPU : ...
    Jakeyw Jakeyw August 2009 Sinclair Miscellaneous
  • Where's the border line between a Spectrum and something else?I mean: there are purists out there that consider that anything that is not a true Sinclair Spectrum, with a true Z80 and a true ULA, and at most, 48…

    ... true Z80 and a true ULA, and at most, 48K RAM ...
    mcleod_ideafix mcleod_ideafix August 2009 Development
  • General question about electronics I guess... (128k +2a)[Short question] When I very slightly put my finger on top IC15 on my +2A the TV picture becomes crazy and the spectrum acts if it just resets I don…

    ... is great, ROMS are great, ULA must be good due to ...
    Nuno2009 Nuno2009 August 2009 Hardware
  • RGB to VGA convertor for ZX (clones)[img]http://s44.radikal.ru/i106/0908/1a/28c90d0ca25b.jpg[/img] [img]http://s15.radikal.ru/i188/0908/f2/c1d66b5f6d4f.jpg[/img] It's GOOGLE translatio…

    ... ,HSYNC,VSYNC,+5V,GND,14MHz (ula clock). Output is VGA 50 ... or CSYNC only)
    - faster ULA clock than 14MHz (ZX128 use ... calculate pixel clock from original ula clock):
    [img]http://velesoft ...
    velesoft velesoft August 2009 Hardware
  • Specdrum SyncroI'm having trouble syncing my (revision 4b)48k specdrum. The sync pulses sent out of the MIC socket are low, barely +50db, and isn't powerful enough…

    ... />
    Anyway, is this a ULA problem, if I change the ... to pin 28 of the ULA will I get better performance ...
    apprenticemart2 apprenticemart2 September 2009 Hardware
  • Spectrum dead: 8 vertical bars in alternating colorsI have been soldering on this basterd for a long time now. All IC's now have sockets (except the LM1889). I swapped all 4116's by types that are 100%…

    ... . Power is 100% ok. Swapped ULA, Z80 and ROM for 100 ...
    georgedb georgedb September 2009 Hardware
  • spectrum +2 audio outputHi, Is the spectrum +2 audio output stereo ? I know a few games use special sound features like robocop in 128kb mode, but the sound output of my +…

    ... +3 machines ?

    Any schematic for this mod ?

    genocho genocho September 2009 Hardware
  • RBG monitor for Spectrum?I'm using a very old TTL RGB monitor with my Spectrum, with a RGB adapter that I made many years for my Sinclair QL. It works perfectly with my QL, b…

    ... the adapter from a simple schematic that came qith the QL ... . I can't find the schematic at the moment, but there ...
    KatManDEW KatManDEW September 2009 Hardware
  • Horror repair story...Today the (new) +3 had a strange issue: keys 6,y,h,n and 8,i,k were not working. Also, the internal drive sometimes was not 'visible' from the Loader…

    ... was near that spot... the ULA!!
    I took my 15x ... inspecting the pins of the ULA...

    I really freaked ... of one side of the ULA were
    loose... WTF! I ... *ck these pins of the ULA were auto-de-soldered ??
    xc8 xc8 September 2009 Hardware
  • Repair options for my own dear old Spectrum 48k?Hello all, This is my first post to this wonderful forum, which is part of a truly great website! My name is Arnold, and I live in Utrecht, The Nethe…

    ... in a working Spectrum). The ULA gets quite hot in the ...
    ZXHistory ZXHistory October 2009 Hardware
  • Some ever noticed that +2A/+3 halts Z80 using WAIT?I mean: Anyone ever noticed that the +2A/+3 halts the Z80 using WAIT? All documentation I've read about contention state that the ULA halts the Z80 …

    ... contention state that the ULA halts the Z80 by ... with the surface mount ULA) uses WAIT to halt ... period, the time that ULA is reading video data. ... 8MHz signal generated by the ULA for the TEA2000. Should ... , internal timmings at the ULA, which is the responsible ...
    mcleod_ideafix mcleod_ideafix October 2009 Hardware
  • An idea for a possible(?) new interfaceDue to the Spectrum's processor speed and the way the ULA works, there are a couple things (among others) that are difficult to do: -Gigascreen or a…

    ... speed and the way the ULA works, there are a couple ...
    zxbruno zxbruno October 2009 Hardware
  • First Contact - New Isometric GameIt was about time I did something software-wise! I took a bit of a break from writing the ULA book, and have come up with a new game. Work is very mu…

    ... a break from writing the ULA book, and have come up ...
    csmith csmith October 2009 Development
  • Subacuatic (ZX Spectrum 128k) - MojonTwinsFerdinand W. Templeton is the referential archeologist at the University of Michigan. His important discoveries in such exotic places as Egypt, Phili…

    ... takes advantage of the modified ULA present in the Harlequin clone ... load the game in a ULA-modified Harlequin (when this is ...
    jf_jara jf_jara November 2009 Games
  • Diagnosing Spectrum 48k (faulty RAM chip?)I have a Spectrum 48k (I believe it may be an upgraded 16k model) that doesn't work, and never has ever since the owner gave it to me. When you turn …

    ... the socketed chips (except the ULA, CPU and ROM since they ...
    Muzer Muzer November 2009 Hardware
  • 128 +3 SJS joystick adapter schematic?as the title lists. I wanna use a normal zipstick instead of the "not so good" sinclair (amstrad) joystick I got with the machine.. (why did they do …

    as the title lists. I wanna use a normal zipstick instead of the "not so good" sinclair (amstrad) joystick I got with the machine.. (why did they do it?!?!)

    I did do a search on google etc and thru documentation.. but it's rather illusive.
    fog fog November 2009 Hardware
  • Looking for contact!Hi all, Back in 1998 I sold most of my Spectrum gear........I traced the add in comp.sys.sinclair and it's quoted below. I think I sold it to JAMES …

    ... sold, or at least the schematic......just for nostalgic purposes.
    mode me thinks.....:-)....Schematic diagram of whole thing supplied ... />
    48K Issue 2 Spectrum schematic diagram (as obtained from TIMEX ...
    IanJ IanJ November 2009 Hardware
  • "8 CHANNELS" -ZX Spectrum BEEPER demoHi there. :) We finally managed to finish the BEEPER demo with 8-channels songs. You can get it from here: [url]http://pouet.net/prod.php?which=5…

    ... of ZX SPECTRUM (jack) through ULA chip.

    ZX-7 ...
    Mister Beep Mister Beep November 2009 Sinclair Miscellaneous
  • faulty zxspectrum +hi all i just bought a speccy 48k+ off ebay it worked for like 15 mins now it is stuck on the reset screen. I fear this is something major maybe fau…

    ... maybe faulty ram or the ULA. Does any1 have any ideas ...
    rustyredline rustyredline November 2009 Hardware
  • SPIN 0.7s uploaded; the crowd goes wild......with bug reports! Get it here: [url]http://sites.google.com/site/pauldunn/ZXSpin_07s.zip[/url] New in this version are RPI filters and Overlays …

    ... been enabled for ULA64 and ULA Ramping modes, but will be ...
    Dunny Dunny December 2009 Emulators
  • More colours in existing games?I have been trying to follow the various threads about the new ULA and more colours. I don't understand quiet a lot of it as back in the day all I di…

    ... various threads about the new ULA and more colours. I don ... able to buy this new ULA at some point and pop ... is an option for 'Enhanced ULA'. Does that make existing Speccy ...
    HonoredShadow HonoredShadow December 2009 Emulators
  • grey +2 with blue screenI've been checking through my collection of speccys and one of my grey +2's display white (bright 0) as cyan. Bright 1 white is correct and it does t…

    ... and the scart. Is the ula fooked? Or is it something ...
    BiNMaN BiNMaN December 2009 Hardware
  • Odd keyboard behaviour due to a single bit failure in +3 ROMI've just fixed a spanish +3, which, among normal issues (drive belt missing), presented a very strange one: the keyboard autorrepeated without a del…

    ... was possible. I suspected an ULA failure, which generated too many ... change anything.

    No ULA issues, no keyboard membrane/matrix ...
    mcleod_ideafix mcleod_ideafix December 2009 Hardware
  • Sgt. Helmet Zero - The Mojon Twins (Spectrum 128k)Hi! this is our first christmas present! :lol: [size=150]Sgt. Helmet Zero[/size] [img]http://www.mojontwins.com/wp-content/uploads/2009/12/09.gif[/…

    ... takes advantage of the modified ULA present in the Harlequin clone ... load the game in a ULA-modified Harlequin (when this is ...
    anjuel anjuel December 2009 Games
  • winston's diagnostics boardHi there Mr Winston I don't know if you remember I posted about your diagnostics board earlier and how i used a 7404 instead of the 2 mosfets, well I…

    ... design instead of the circuit schematic. I used the 7404 again ...
    nuggetreggae nuggetreggae December 2009 Hardware
<1…14151617181920…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