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Search Again :: Adv Search 1000 results in 0.010s
<1…11121314151617…34>
  • 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…

    ... U V signals from the ULA.

    If you get ... PERITEL links are present, and remove any STANDARD link (inside the ...
    mcleod_ideafix mcleod_ideafix September 2009 Hardware
  • I bought my first ZX Spectrum 48k, now what ?Hi guys ! I recently go to Brussel in Belgium and found a ZX Spectrum at a "flea market" (sorry, I don't the correct word for that, let's call it a …

    ... . The modder was silly to remove the moduator, as it provides ... a capacitor is added (to remove DC component from the signal ... red wires soldered to the ULA (in the bottom picture) would ...
    RetroTechie RetroTechie September 2009 Hardware
  • Snow on screen of 48K Speccyok you wizards I fixed up my 4116 ram issue as Winston and McLeod advised me before by replacing with 4164's.... all I could find here in Singapore (…

    Does that snow appear from the first moment ... -prototype-or-the-importance-of-ula-cooling[/url]
    mcleod_ideafix mcleod_ideafix October 2009 Hardware
  • Snow on screen of 48K Speccyok you wizards I fixed up my 4116 ram issue as Winston and McLeod advised me before by replacing with 4164's.... all I could find here in Singapore (…

    ... is 100% solid, and the "snow" is white... I have only ... change) so ULA contention issue would surely make black snow...

    ula timing to mask out half ...
    nuggetreggae nuggetreggae October 2009 Hardware
  • Questions you were afraid to ask.....This thread is devoted to those questions you never asked, or were afraid to ask but want answers to. Such as: [LIST] [*]Why can't you put metal in…

    ... 's gonna be a **** to remove... also if you notice how ... nuts discolour because of the snow.. and what's the best ...
    fog fog February 2010 Chit chat
  • 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…

    ... .
    [*]Upper 32K present/socketed? Remove (to make problem simpler).
    ULA) - swap with known working ones ...
    RetroTechie RetroTechie March 2010 Hardware
  • Codemasters CD Pack CableHi all Does anyone have a spare cable from the the CD game pack codemasters brought out? I got one today but its got the wrong cable with it :( nee…

    ... an adapter that you can remove ?

    even though I ... as it might trash the ULA from what I saw above
    fog fog March 2010 Wanted
  • Codemasters CD Pack CableHi all Does anyone have a spare cable from the the CD game pack codemasters brought out? I got one today but its got the wrong cable with it :( nee…

    ... an adapter that you can remove ?

    even though I ... as it might trash the ULA from what I saw above ...
    ZX Beccy ZX Beccy March 2010 Wanted
  • Broken or upgraded ZX Spectrum 48kHello First i want to say hello to everybody. I have a new ZX Spectrum 48k in my collection. Seller said that it is broken (no picture). I have this…

    ... get that even when i remove ULA from the mainboard.
    Maybe ...
    gottrek gottrek April 2010 Hardware
  • damaged spectrum+ (blinking squares)Hi, Sorry for my poor english, but I couldn't find on family forums any remedy for my hardware problem with my first speccy in my life :) I've bought…

    ... br />
    Secondly, remove the ULA. The only reason I can ... think of that the ULA is not soldered in, ... wave soldered. So I remove it from its socket, ... starts to melt. Then remove the chips from the ... You will then need to remove the solder blocking the holes ...
    Winston Winston June 2010 Hardware
  • +2A extended memory map & ULA bug?The [URL="http://www.worldofspectrum.org/faq/reference/128kreference.htm"]128K reference page[/URL] says: [quote]The ULA bug which causes snow when I…

    [QUOTE=ajmoss;448986]Will the ULA bug appear on the Spectrum + ... ]

    No. +2A/+3 ula don't snow.
    velesoft velesoft June 2010 Hardware
  • i am currently listening to........as i couldnt seem to find the old one, i didnt look that hard :P ive started a new one right after somebody asked me for some slayer ive rediscovere…

    ... =mel the bell;454527]
    snow patrol best ofs blasting out ... was on a mission to remove all her shite from view ...
    dm_boozefreek dm_boozefreek July 2010 Chit chat
  • X128 - moved forward.I don't know if anybody noticed but author of the X128 emulator resumed works on the program: [url]http://www.indigobanquet.adsl24.co.uk/x128wip/x12…

    ... Adamski works on it (to remove conflicts with divIDE) but it ... on ZX Spectrum models. ZX ULA slow-down CPU and general ...
    velesoft velesoft July 2010 Emulators
  • iXpectrum 1.3 (iPad, IPhone emulator) now with WoS integrationA new iXpectrum version. This new version is to thank you all for your suggestions and donations. Also to celebrate the recent Spanish football worl…

    ... ?
    ..[/QUOTE]

    I remove that feature... cos I press ... all frames however all nice ULA effects are displayed wthout problems ...
    Seleuco Seleuco August 2010 Emulators
  • 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…

    ... />
    Then you could swap ULA with another Spectrum, this is ... easy since ULA is normally socketed. Do you ... be a good idea to remove the upper 32K (RAM chips ...
    RetroTechie RetroTechie September 2010 Hardware
  • ZX80 Games on your +2A/+3Hi all. Was just having a talk on irc about Paul Farrow's ZX80 games and his emulator for 128k Spectrums and IF2 and since I remembered I got them r…

    ... conflict is not with the ULA, but with RAM. The issue ... mode) ask the user to remove jumper E from the DivIDE ...
    zxbruno zxbruno September 2010 Games
  • zx spectrum +2 troubleshootingHi There I am new here and I need some advise as to where to look for issues on my zx spectrum +2 it was working fine this morning .. then while pl…

    ... banks is controlled by the ULA, and contains the two VRAM ... 've always seen it socketed). Remove it and locate pin 27 ...
    mcleod_ideafix mcleod_ideafix October 2010 Hardware
  • Broken +3I have noticed that some members on this forum prefer to repair Spectrums instead of just buying another one from ebay. I would like mine fixed at so…

    ... color change when you remove the RESET condition (i ... test:

    Remove both ROM's, taking care ... not white.

    Remove the reset wire. Three things ... B, or... a faulty ULA. You will have to ... IC6 chips socketed, then remove the "reset mod" and ...
    mcleod_ideafix mcleod_ideafix October 2010 Hardware
  • 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…

    ... t necessarily agree. The ULA was a specific term for ... kind of gate array a ULA :-)

    [quote] ... If you want your ULA's to live as long ... advice.

    The ULA however is a bipolar device ... turn off again until you remove the power from the ...
    Winston Winston October 2010 Hardware
  • ZX Spectrum+ Problem - Need help -Greetings guys, I bought one ZX Spectrum+. This is what displays on the TV: [IMG]http://d.imagehost.org/0371/17102010_001.jpg[/IMG] When I switch …

    I base my comment on paper picture.
    I am sure that picture come from data in DRAM it is init state of cells in memory, and than ULA is able to read data from 4116.

    You should got same picture when you remove CPU.

    Pavel
    willcz willcz October 2010 Hardware
  • ZX Microdrive endlessly spinningHi, I've got 2 ZX Microdrives that behave very similarly, basically they seem to be receiving commands nicely, but no matter whether i LOAD SAVE or …

    ... it is either the microdrive ULA (which I have in stock ... the two - you can then remove the piece of paper.
    rwap rwap October 2010 Hardware
  • What model next ?Hi All I already have two 48k rubber kyed 48k Spectrums and a Grey +2 What to get next. ZX Spectrum + ZX Spectrum 128 Toast Rack ZX Spectrum +3

    ... internal structure (equations). Raining/snow effect will fixed if RFSH ... grey).

    1) remove original chip PAL10H8 or HAL10H8 ... OUT instructions)
    - disable snow effect(raining) on videoram
    Snow effect in videoram is fixed ...
    velesoft velesoft December 2010 Hardware
  • The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…

    ... cope with cannot kill a ULA, almost certainly can't kill ... an ASIC (the ULA equivalent in later machines), and ... to +2A/+3 bus
    - remove data collision between data writed ...
    velesoft velesoft December 2010 Hardware
  • Should this be connected?[IMG][URL=http://img528.imageshack.us/i/img7396m.jpg/][IMG]http://img528.imageshack.us/img528/6470/img7396m.th.jpg[/IMG][/URL] Uploaded with [URL=htt…

    ... is taken out from the ULA and fed into the TEA2000 ... "clean up" the oscillator-signals (remove unwanted harmonic frequencies) to prevent ...
    Pilsener Pilsener December 2010 Hardware
  • 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…

    ... />
    but after trying to remove ULA board, something cracked and now ...
    orange orange December 2010 Hardware
  • 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…

    ... small but significant differences between ULA versions (hardware bugfixes), but AFAIK ... a Spectrum by putting different ULA version in a board. Although ... prefer to keep same version ULA on a board that was ... fails & you want to remove that add-on board, just ...
    RetroTechie RetroTechie December 2010 Hardware
  • Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…

    ... to use.
    [*] Replace ULA with a modern CPLD or ... FPGA because original ULA's die too, and ... cheaper than original, decades old ULA).
    [*] Add a Flash ... efficient switching regulator & minimize / remove cooling plate.
    [/LIST]
    RetroTechie RetroTechie December 2010 Hardware
  • 2 48K speccys dead..Hey guys! I've got two of our rubbery friends with me that need some help. They've been like this for some time, but I would like to try and fix th…

    ... it loading even if you remove the ULA and the Z80 from ... you probably have a dead ULA.

    [QUOTE=Diogo;512748 ...
    mcleod_ideafix mcleod_ideafix February 2011 Hardware
  • 2 48K speccys dead..Hey guys! I've got two of our rubbery friends with me that need some help. They've been like this for some time, but I would like to try and fix th…

    ... it loading even if you remove the ULA and the Z80 from ... you probably have a dead ULA.[/QUOTE]

    Ok mcleod ...
    Diogo Diogo February 2011 Hardware
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