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Search Again :: Adv Search 905 results in 0.001s
<1234567…31>
  • Harlequin ZX Spectrum Clone now 100% compatible!Hi all! The Harlequin ZX Spectrum clone now shows full timing compatibility with the ZX Spectrum! 8-) Both the ULA IO and memory contentions are fa…

    Hi all!
    The Harlequin ZX Spectrum clone now shows ...
    csmith csmith July 2007 Hardware
  • Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…

    ... and project notes from the Harlequin... a Speccy fan in the ... designed a PCB for the Harlequin! (The Harlequin as you probably remember ... ://trastero.speccy.org/cosas/JL/Harlequin/superfo1.html[/url]

    Winston Winston January 2012 Hardware
  • Best current ide /flash interfaces? and re harlequin cloneHi I have a few 48k rubber-key spectrum's, a harlequin clone board :) on order and 1 (one) divide+ interface. I was hoping zetro's simple IDE woul…

    ... rubber-key spectrum's, a harlequin clone board :) on order and ... also fit / work on the harlequin clone? seeing as thats not ...
    iainjh iainjh February 2012 Hardware
  • BAS-ROM for HarlequinSince it is very easy for everybody to plug a new BAS-ROM into his Harlequin there is the question, what kind of ROM and what additional functions sh…

    ... new BAS-ROM into his Harlequin there is the question, what ...
    HZJ HZJ April 2014 Development
  • A tally on the number of successful builds of the Harlequin[SIZE=4][COLOR=Green][U][B]A tally on the number of successful builds of the Harlequin.[/B][/U][/COLOR][/SIZE] Please post your successes below :-) …

    ... of successful builds of the Harlequin.[/B][/U][/COLOR][/SIZE]
    1024MAK 1024MAK May 2014 Hardware
  • Harlequin - usefull mods and addsHello, I start here a thread regarding mods and adds for the Harlequin. It was found: * that the Sinclair Interface 1 does not fully work at the Ha…

    ... mods and adds for the Harlequin.

    It was found ... not fully work at the Harlequin.
    * that the Beta Disk ... ) does not work at the Harlequin.

    The reason is ... leads the -12V of the harlequin to the circuitry that needs ...
    ingo ingo May 2014 Hardware
  • populated Harlequin Rev.D -> Rev.FHi, I like to sell my Harlequin Rev. D board. I modified it to be identical to Rev. F: * switching regulator instead of linear regulator for DC in …

    ... /> I like to sell my Harlequin Rev. D board. I modified ...
    ingo ingo June 2014 Sales
  • Harlequin case label concept?Hello everyone; I have been thinking about constructing a case for my Harlequin board. Nothing too outlandish; a sheet-metal case very close to the…

    ... constructing a case for my Harlequin board. Nothing too outlandish; a ... to have a Sinclair-style Harlequin label (in raised metal or ...
    Trafferth Trafferth August 2014 Sinclair Miscellaneous
  • Possibly daft Harlequin composite question... :SHi; My Harlequin Rev. F works fine apart from one aspect: there's no composite out... :( I have checked continuity and the discrete components. I.…

    Hi;

    My Harlequin Rev. F works fine apart ...
    Trafferth Trafferth September 2014 Hardware
  • Harlequin runningHi all, Just thought I'd post a wee pic of my Harlequin kit which I received yesterday and assembled in double quick time. A great piece of hardwar…

    ... a wee pic of my Harlequin kit which I received yesterday ... .com/images/stories/IanJ/ZXspectrummod/Harlequin.JPG[/IMG]
    IanJ IanJ October 2014 Hardware
  • Keyboard for ZX Spectrum 16k/48k or HarlequinThere is a keyboard developed originally for use with the Harlequin but maybe used as well with any 16k/48k ZX Spectrum. The keyboards offer a great …

    ... originally for use with the Harlequin but maybe used as well ...
    PokeMon PokeMon October 2014 Sales
  • a harlequin keyboard option (+2a)Hi guys. Finally got around to this, I am using a keyboard from a +2a connected to my harlequin. [IMG]https://farm4.staticflickr.com/3932/1560029…

    Hi guys.

    Finally got around to this, I am using a keyboard from a +2a connected to my harlequin.

    [IMG]https://farm4.staticflickr.com/3932/15600296661_323b6eee4d_k.jpg[/IMG]
    Lost Lost October 2014 Hardware
  • Harlequin keyboards / housingsI have about 20 or maybe more ZX Spectrum 48K's, which I'm planning to sell in separate parts (refurbished boards, ULA's and cases). Now I'm interes…

    ... /> Now I'm interested if Harlequin owners want a refurbished case ...
    bverstee bverstee November 2014 Sales
  • important Harlequin modWhile searching for a better solution for avoiding undesired spikes that corrupt the screen RAM at Harlequin I found a final solution. No additional …

    ... corrupt the screen RAM at Harlequin I found a final solution ... realize these mods at every Harlequin PCB.

    Greets Ingo ...
    ingo ingo November 2014 Hardware
  • where to find Harlequin rev. F all mods till now ?Hi all :) because no more broken speccys around for now, is time to build first of my Harlequin's rev F, I looking in forums and look at Ingo posts…

    ... to build first of my Harlequin's rev F,
    I ...
    gorski gorski July 2015 Hardware
  • SuperFo Harlequin crashes on EnterHello there, I currently have a SuperFo Harlequin at hand which suffers a crash/freeze each time I try to enter a line in basic. Doesn't matter if …

    ... /> I currently have a SuperFo Harlequin at hand which suffers a ...
    Shockwav3 Shockwav3 September 2015 Hardware
  • So, where exactly can I buy a Harlequin?I've looked far and wide but cannot seem to find where to buy one of the Harlequin based "clones". Even an unpopulated motherboard would be a start.…

    ... to buy one of the Harlequin based "clones". Even an unpopulated ... an NTSC user...has the Harlequin had much success on this ...
    cbmeeks cbmeeks October 2015 Hardware
  • Superfo Harlequin Rev D Documentation wantedI have a Rev D Superfo Harlequin PCB. I would like the documentation (schematic and board layout files), but I get a [b]Not Found[/b] error when I cl…

    ... have a Rev D Superfo Harlequin PCB. I would like the ... ://trastero.speccy.org/cosas/JL/Harlequin/superfo1.html).

    Does ...
    1024MAK 1024MAK October 2015 Hardware
  • Harlequin Rev. G - error of labels at J16Hi, a German user found an error at Harlequin Rev.G board regarding the labels of J16. The labels of -5V and +12V are interchanged! That could be …

    ... user found an error at Harlequin Rev.G board regarding the ...
    ingo ingo November 2015 Hardware
  • Harlequin REV F to REV G upgradeHi guys i have a Harlequin REV F board and noticed its been updated to REV G with teh message of Error on J16 does anyone know what changes …

    ...

    i have a Harlequin REV F board and noticed ... ://trastero.speccy.org/cosas/JL/Harlequin/superfo1.html

    Thank ...
    silverfox0786 silverfox0786 November 2015 Hardware
  • Harlequin Rev. G - Composite video problem.What I'm about to describe I'm not experiencing it by myself, so the probable answer to any "have you tested this or that" question is no, I don't, b…

    ... />
    They have built their Harlequin to specs, with correct face ... much better knowledge of the harlequin electronics has formed his opinion ...
    GroovyDrifter GroovyDrifter January 2016 Hardware
  • Opus Discovery with a HarlequinHi all I am getting a Harlequin and the 128k toaster rack mod but I have an opus discovery and a spectrum +, the + is dead so going to use the cas…

    ... />
    I am getting a Harlequin and the 128k toaster rack ... use the case for the harlequin to live in but does ... the discovery 1 with the harlequin?

    Thanks
    caver99 caver99 March 2016 Hardware
  • Harlequin Rev GI have just got all the bits to build an Harlequin Rev G system and I went for a red solder mask board. I have fitted the 3 surface mount components…

    ... the bits to build an Harlequin Rev G system and I ...
    caver99 caver99 March 2016 Hardware
  • Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…

    Hi peeps...

    I've seen that you can do a 128k version of the Harlequin board.

    Is it just the standard board with different chips or is it a different board all together?

    Thanks
    Shugs81 Shugs81 April 2016 Hardware
  • Harlequin turbo mode ( 7 MHz )Hi, All. Sorry for my bad english. I make Harlequin mod - turbo mode ( CPU clock 7MHz ) for Harlequin. Could you be so kind to write your opin…

    ... br />
    I make Harlequin mod - turbo mode ( CPU clock ... 7MHz ) for Harlequin.
    Could you be so ... schematic.
    I tested on Harlequin 128K.

    [img ... ) is inverting CPUCLK , but Harlequin has different schematic : CLKB is ...
    tetroid tetroid May 2016 Hardware
  • Just speccy or harlequin ?Hi all, I just wondered, to fit on an original rubber key 48k spectrum, which one would you recommend ? Just speccy 128k or the harlequin 128k ? S…

    Hi all,
    I just wondered, to fit on an original rubber key 48k spectrum, which one would you recommend ?
    Just speccy 128k or the harlequin 128k ?
    Self assembly and soldering is no problem.
    Greetings
    frankje frankje December 2016 Hardware
  • Looking for advice on building a HarlequinNew member here. From the US. My first computer was a Timex Sinclair 1000 back in the early 80s (in fact, I got one of the first batches sold in th…

    ... 'm wanting to build a Harlequin. I've got a Rev ... .

    Looking at this Harlequin schematic, it just screams out ... on the case for the Harlequin.

    Thanks ...
    msansom msansom February 2017 Hardware
  • Upgrading Harlequin 48K to 128K?I noticed this upgrade PCB on ebay for upgrading the Harlequin to 128K: http://www.ebay.co.uk/itm/ZX-Spectrum-Harlequin-48K-to-128K-Upgrade-Addon-PC…

    ... on ebay for upgrading the Harlequin to 128K:
    http://www ... .co.uk/itm/ZX-Spectrum-Harlequin-48K-to-128K-Upgrade-Addon ...
    RobeeeJay RobeeeJay February 2017 Hardware
  • Harlequin 48k and 128ki am redoing my harlequin 48 parts onto a new harlequin 128k bored only parts i can't swap are the rom, ram and will need an ay chip but seeing as th…

    ... parts onto a new harlequin 128k bored only parts i ...
    caver99 caver99 March 2017 Hardware
  • Harlequin 128K minor problems.....Hi All, I've just assembled my Harlequin 128K kit, I had initial problems with it that I traced to not having soldered all of the pins on a couple…

    ... /> I've just assembled my Harlequin 128K kit, I had initial ...
    prime prime March 2017 Hardware
<1234567…31>

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Related Threads

  • Harlequin ZX Spectrum Clone now 100% compatible!Hi all!<br /> The Harlequin ZX Spectrum clone now shows full timing compatibility<br /> with the ZX Spectrum! 8-) <br /> <br /> Both the ULA IO and m…
  • Can a Spectrum make a Harlequin?I've seen this before, but it's still a bit confusing. Are they really printing circuit boards and a Speccy controls the whole thing? :)<br /> <br />…
  • Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
  • Best current ide /flash interfaces? and re harlequin cloneHi<br /> <br /> I have a few 48k rubber-key spectrum's, a harlequin clone board :) on order and 1 (one) divide+ interface. I was hoping zetro's sim…
  • BAS-ROM for HarlequinSince it is very easy for everybody to plug a new BAS-ROM into his Harlequin there is the question, what kind of ROM and what additional functions sh…
  • A tally on the number of successful builds of the Harlequin[SIZE=4][COLOR=Green][U][B]A tally on the number of successful builds of the Harlequin.[/B][/U][/COLOR][/SIZE]<br /> <br /> Please post your successe…
  • Harlequin - usefull mods and addsHello,<br /> <br /> I start here a thread regarding mods and adds for the Harlequin.<br /> <br /> It was found:<br /> * that the Sinclair Interface 1…
  • populated Harlequin Rev.D -> Rev.FHi,<br /> <br /> I like to sell my Harlequin Rev. D board. I modified it to be identical to Rev. F:<br /> <br /> * switching regulator instead of lin…
  • Harlequin case label concept?Hello everyone;<br /> <br /> I have been thinking about constructing a case for my Harlequin board. Nothing too outlandish; a sheet-metal case very …
  • Possibly daft Harlequin composite question... :SHi;<br /> <br /> My Harlequin Rev. F works fine apart from one aspect: there's no composite out... :(<br /> <br /> I have checked continuity and the …

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