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Search Again :: Adv Search 1000 results in 0.015s
<1234567…34>
  • Timing in loading routinesJust for curiosity I have done some experiments with SAVE command in accurate emulators, and then analyzing the generated WAV and I have obtained lit…

    ... ) values. If we take the 128K clock (3.5469), the numbers are ...
    antoniovillena antoniovillena February 2013 Development
  • ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…

    ... problems with the ZX Spectrum clock signal.[/QUOTE]
    The ... board? Besides, the Spectrum 48K/128K clock is not periodic: it has ... a softcore to regenerate the clock signal from the original because ... / joystick interface would need a clock to be in phase with ...
    mcleod_ideafix mcleod_ideafix September 2013 Hardware
  • ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…

    ... contention, the sd card clock follow the cpu clock, so everything is ... board? Besides, the Spectrum 48K/128K clock is not periodic: it has ... a softcore to regenerate the clock signal from the original ... joystick interface would need a clock to be in phase with ...
    Mp Mp September 2013 Hardware
  • ZX Spectrum Clock Signal Restorer Circuit[SIZE=5][U][B]ZX Spectrum Clock Signal Restorer Circuit[/B][/U][/SIZE] The circuit below is an experimental circuit. It has only been "tested" using…

    ... since I think the toastrack 128K clock doesn't even make TTL ...
    Winston Winston June 2014 Hardware
  • Trying to repair a 128K (heatsink)I've bought another ZX Spectrum 128K (heatsink model), but unfortunately the last owner did not tell me it did not work.... Because this Speccy also…

    ... bought another ZX Spectrum 128K (heatsink model), but unfortunately ... have some schematics of the 128K heatsink model. Couldn't ... In the analog schematics the clock signal circuit is shown.

    I took another 128K heatsink model, and measured perfect ...
    bverstee bverstee December 2009 Hardware
  • Repaired some 128K's todayI have lot's of ZX Spectrums laying aside with some more complex defects. Today I decided to try to fix some of them. I thought: why not share my ex…

    ... although 5V, 12V and the clock signal were present.
    So ... , and stopped working after the '128K boot'.
    I then soldered ... up again..
    It worked! 128K menu started, and after plugging ... could the PAL from the 128K heatsink be incompatible with the ...
    bverstee bverstee December 2011 Hardware
  • Revisiting Spectrum CPU clock regenerationWarning: This post will be a bit nerdy :-) Some time ago, I experimented with phase locked loop circuits as a possible way to regenerate the Spectru…

    ... regenerate the Spectrum's clock signal despite contention. However ... 128K's 3.5469MHz signal, in other words our reference clock ... - one counting Spectrum clock cycles since contention started, ... and one counting regenerated clock cycles since contention started ...
    Winston Winston September 2012 Hardware
  • Help me resurrecting a 128KHello to everybody. I'm really struggling along a repair of a standard 128K a friend of mine handed me over some (ok, actually a lot of) time ago. A…

    ... a repair of a standard 128K a friend of mine handed ... past, this is my first 128K and it really seems I ... draw is about 780 milliamperes. Clock is spot on and has ...
    Falco-F8L Falco-F8L October 2012 Hardware
  • ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…

    ... to revive a dead ZX 128K +2 (the grey one).
    clock output that looks like video ... /18/the-adventure-of-the-128k-spectrum-with-no-display/[/url ... there an equivalent for the 128K ?

    Is there a ...
    DenisM DenisM August 2013 Hardware
  • ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…

    ... this testing I tried another clock inverter solution from Ingo ... /> [U]The clock signal on the ZX Spectrum 128K toastrack[/U]
    The clock signal on the ... the 128K toastrack: the signal was weaker than the clock signal ...
    bverstee bverstee September 2013 Hardware
  • 800+ Spectrum 128k & 48k original titles still availableHi guys, The original thread was a bit messy and has vanished from the front page, so rather than bump it, here it is again a bit tidier: All origi…

    ... />
    I also have three 128k units left, all for sale ... Supertest
    Daley Thompsons Supertest 128k
    Daley Thompson's Supertest ... 128k
    Dambusters
    Dan ... 9
    Gregory Loses His Clock
    Grid Iron
    ...
    Kilmannan Kilmannan September 2013 Sales
  • RS232 on Spectrum 128KDoes anyone actually use the RS232 port on the Spectrum 128K? Is there anything useful that can be done with it? I know about the keypad with the Sp…

    ... RS232 port on the Spectrum 128K? Is there anything useful that ... /> I'm working on a 128K expansion for a Spectrum-like ... % slower than a real Spectrum 128K, and I'm wondering about ... the slightly out of spec clock speed; same could be said ...
    rga24 rga24 May 2014 Hardware
  • Composite video ghost image on ZX Spectrum 128K +2Hi, I have a ghost image on the composite video out on my ZX Spectrum 128K +2 and have run out of ideas of what could be wrong. Does anybody have a…

    ... out on my ZX Spectrum 128K +2 and have run out ... using a breadboard.
    - the clock input into the TEA2000 looks ...
    pdj102 pdj102 September 2016 Hardware
  • TZX / TAP of Glider Rider 128K Can anyone help me find a TZX or TAP version of Glider Rider 128k . The only versions I can find are Z80 snapshots or a TAP file which is a version …

    ... br />
    Addams Family 128k - Ocean
    Bravestarr - US ... DNA Warrior - Cascade
    Earthlight 128K - Firebird
    Prison Riot - ... Players Premier
    T-Wrecks 128k - Gremlin Graphics
    ...
    Dean Lowery Dean Lowery April 2001 MIA/STP/SDP
  • Wanted: TZX of Technician Ted 128k RemixAfternoon again, So anyone have an original or copy of the title mentioned, we only have a Z80 of this one. A TZX of the 128k version would be nice…

    ... one. A TZX of the 128k version would be nice
    Andrew Barker Andrew Barker April 2001 MIA/STP/SDP
  • 48k with keyboard of 128k+2 and tapes..ahoi!i worked to make a 48k+ with keiboard of 128k+2 and i want to send it! so i have many tapes with games, workings'n' demo, compilation, fanzine!!!! fo…

    i worked to make a 48k+ with keiboard of 128k+2 and i want to send it! so i have many tapes with games, workings'n' demo, compilation, fanzine!!!! for info contact 0347 8783346 or 3478783346.
    simon simon December 2001 Sales
  • 128K+2 & 100+ games ** For Sale **Hi, If anyone is interested I have a 128k+2 for sale. This comes with Sinclair & Other Joystick, and over 100 Games. All is in excellent condition (…

    ... is interested I have a 128k+2 for sale.
    This ...
    john john November 2001 Sales
  • speccy 128kI have a spectrum 128k that seems to work fine and load games ok. When I power it on for the first time I get the usual options screen, no problem. B…

    I have a spectrum 128k that seems to work fine ...
    rubberman rubberman March 2002 Sinclair Miscellaneous
  • looking for 128k keypad(spanish. vers.)I am looking for a 128k keypad, spanish version(since these were only supplied with spectrums sold in spain)or english version ;) Estoy buscando un k…

    I am looking for a 128k keypad, spanish version(since these ... un keypad para el spectrum 128k. El keypad se vendio en ...
    thomas3120 thomas3120 April 2002 Wanted
  • ZX Spectrum 128k +2Hi, can anyone help me out? I'm trying to get a 128k +2 (the black one), im not bothered about it being boxed or anything (as the price is usually …

    ... 'm trying to get a 128k +2 (the black one), im ...
    punkpie_uk punkpie_uk May 2002 Wanted
  • 128k games wanted.I just got hold of a working +2, and would like some tested and working 128k games for it. Will pay cash, or swap for hardware/software etc... Any 1…

    ... like some tested and working 128k games for it. Will pay ... /software etc...

    Any 128k games considered, as I only ...
    thx1138 thx1138 June 2002 Wanted
  • Plotting - 128k only or was it a 48k game aswellI installed a Speccy emulator on my Psion Series 3c palmtop computer, mainly so I could play games on the move. Rather slow and only emulates a 48k…

    ... sadly found out it was 128k only - it said so on ...
    zeropolis79 zeropolis79 August 2002 Games
  • russian pentagon 128k for saleis anybody interested in russian speccy clone: Pentagon 128K, with tr-dos, ay, have a couple of working motherboards.

    is anybody interested in russian speccy clone:
    Pentagon 128K,
    with tr-dos, ay,
    have a couple of working motherboards.
    danrybs danrybs December 2002 Sales
  • 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…

    ... ,
    Attempting to repair my 128k+ speccy.
    Needs a ULA ... (IC1)chip from either a 128k+ or an early +2 will ...
    thomas3120 thomas3120 January 2003 Wanted
  • WANTED: Spectrum 128k (Any version) and Interface 1My poor old +2A has come down with Alzheimer's and occasionally forgets to put program names on the screen, so i am now looking for a new 128k and an…

    ... now looking for a new 128k and an interface 1 to ...
    HoraceLeavesAMessage HoraceLeavesAMessage January 2003 Wanted
  • Kempston Interface Work On 128k +2a Hi need some advise Will a Kempston Interface work on a 128k +2a machine ? ? , if so wish one would be best to use , so looking for one Aswell . …

    ... Kempston Interface work on a 128k +2a
    machine ? ? , if so ...
    SIX MILLION DOLLAR MAN SIX MILLION DOLLAR MAN February 2003 Sinclair Miscellaneous
  • There is a Psycho Soldier 128k??In WoS archive says that this game has 48k and 128 as separated programs. but only there are a TAP and a TZX without other specifications Anybody k…

    ... if there are and with 128k sound.. =}
    Javier Alca?iz Javier Alca?iz February 2003 Games
<1234567…34>

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Related Threads

  • 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 …
  • Was the Sinclair 128k the same as the 128k +2?I only ever played on a 48k Speccy a few times and I owned a +2 and that's it.<br /> <br /> Was the Sinclair 128 the same as the 128+2? I mean you co…
  • 128K exclusive single-load games Vs. 128k exclusive multiload gamesAlthough this matter is maybe more suitable to development, I will place it here as it mainly about games ;)<br /> <br /> I have realized after loadi…
  • Which 128k games actually used 128kA lot of 128k games were 48k games with decent AY music, or used screen flipping features,<br /> <br /> What games actually used 128k, e.g. all ban…
  • old 128K music and nowaday 128k musicthe old "official" specy 128 games has very good music, I love them.<br /> but these music are not uses the capatibilites of the AY chip, why?<br />…
  • Spectrum games that are both 48k and 128k but where the 128k version is infinitely superiorThe only one I can think of is "Rock Star Ate My Hamster" but there must be others . So where are the games where the 128 version is great but where …
  • Pi-Dentity 128k and Moritz The Striker 128k free downloadHi there, <br /> Pi-Dentity 128k ( exclusive version for Fusion - one more level plus more extras compared to the 48k version) and<br /> Moritz The…
  • TZX / TAP of Glider Rider 128KCan anyone help me find a TZX or TAP version of Glider Rider 128k . The only versions I can find are Z80 snapshots or a TAP file which is a version o…
  • Wanted: TZX of Technician Ted 128k RemixAfternoon again,<br /> <br /> So anyone have an original or copy of the title mentioned, we only have a Z80 of this one. A TZX of the 128k version w…

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