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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…
... few people have made the Harlequin their Easter project which is ... .php?page=harlequin-spectrum"]http://dl3rr.net/index.php?page=harlequin-spectrum[/URL]
Harlequin/Atic.JPG[/IMG] -
Bizarre ZX Spectrum faults (also possibly relevant to Spectranet compatibility problems).I'm attempting to repair an issue 4A 48K ZX Spectrum and am encountering some very strange problems. For my own records I've given this computer the …
... modern CMOS cpu in my harlequin (spectrum clone) together with either Spectranet ... -
RGB InterfaceSeen a few of these on eBay recently, are there any modern solutions to RGB on the 48K? Were all busy composite modding, but wouldn't RGB be far bet…
I think the harlequin spectrum could do rgb without the surface mounted ad724 video composite chip.
that would make it cheaper to build. Plus you could pull the z80 from your old speccy. So it would still have the same personality so to speak. -
ZX Spectrum+ new membrane not working properlyHi! I recently got myself a ZX Spectrum+ . It had the classic broken membrane problem (most keys didn't work and those that did were wrong). So I or…
... improving the schematic of the Harlequin Spectrum clone computer the secon solution ... -
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 full timing ... compatibility
with the ZX Spectrum! 8-)
Both the ... -
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 …
... Harlequin but maybe used as well with any 16k/48k ZX Spectrum ... cover panel with the ZX Spectrum keyboard layout:
[IMG ... -
I want to build a new, super spectrum ;-)only kidding Andrew :-) my brain's going at a mile a minute at the moment, so I thought I should put some of the ideas down in case one of them is w…
...
I've got a spectrum Issue 2 board, that's ... who gave me his old spectrum stuff.
I was ... a 'super spectrum' is a bog standard spectrum, but ruggedised.< ... isn't a super spectrum. I'd improve the ... something based on the harlequin circuitry built as a ... -
25 years with the SpectrumTo paraphrase JFK, ask not what your Spectrum can do for you, but what you can do for your Spectrum. Well I've done quite a bit since I joined the sc…
... ZX Shed
* The ZX Spectrum Technical Wiki
* ... idea of writing a JavaScript Spectrum emulator (April 2006)
Spectrum SE compatibility to the Harlequin
... Nagging Garry Lancaster to add Spectrum 128 RAMdisc simulation to ... -
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? :) [url]http:/…
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 ... Harlequin! (The Harlequin as you probably remember is a timing faithful ZX Spectrum ... timing quirks of the Spectrum ULA, and the later ... ://trastero.speccy.org/cosas/JL/Harlequin/superfo1.html[/url]
...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…
... few 48k rubber-key spectrum's, a harlequin clone board :) on order ... also fit / work on the harlequin clone? seeing as thats not ...ZX Spectrum not working... issue 4S?Hi, I've bought a "new" broken ZX Spectrum +. The idea was to put an harlequin board inside, but for the moment I'm trying to put it in working order…
... " broken ZX Spectrum +. The idea was to put an harlequin board inside ...Spectrum in black TS1500 case with grey "Sinclair ZX Spectrum" labelAt the Spectrum30 event yesterday, someone had brought a Spectrum like object with an unusual case and I never did find out whose it was or where it …
... yesterday, someone had brought a Spectrum like object with an unusual ... /> Inside the case was a Harlequin board, but it was the ... on it saying Sinclair ZX Spectrum. Does anyone know where this ...Spectrum or Spectrum+ Case and keyboardI am looking for a case to put my forthcoming Harlequin into. Ideally, I would like a rubber key case but would also take a Spectrum+ case. The con…
... case to put my forthcoming Harlequin into.
Ideally, I ... but would also take a Spectrum+ case. The condition of the ...Power connector for 48K SpectrumI need a new power connector for an Issue Two 48K Spectrum board, quite an early one. Where can these things be obtained? Someone must know! There mu…
I need a new power connector for an Issue Two 48K Spectrum board, quite an early one. Where can these things be obtained? Someone must know! There must have been a load of these sourced for Harlequin projects, and also for Spectrum fixes.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 ... not fully work at the Harlequin.
* that the ... ) does not work at the Harlequin.
The ... transverter of the ZX Spectrum. The 48k Beta Disk ... ZX Spectrum but leads the -12V of the harlequin to ...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 ... /> * 32k ROM, a 48k Spectrum and a test program, selectable ... but I have the spectrum type also and I ... not fit into a rubber Spectrum case (I did'nt ... check) but into a Spectrum + case it should fit ...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 ... case very close to the Spectrum+ shape with a keyboard based ... to have a Sinclair-style Harlequin label (in raised metal or ...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…
... 20 or maybe more ZX Spectrum 48K's, which I'm ... /> Now I'm interested if Harlequin owners want a refurbished case ...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 ... an opus discovery and a spectrum +, the + is dead so going ... use the case for the harlequin to live in but does ... the discovery 1 with the harlequin?
ThanksHarlequin 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.
[ ... Spectrum CLKB ( pin A8 edge connector ) is inverting CPUCLK , but Harlequin ...Fund raising for new Spectrum hardwareOur friend Djordie Mitic has produced some excellent products for our Spectrum’s over the past months and he is going to continue the trend in making…
... some excellent products for our Spectrum’s over the past ... Replica of ZX 48K Sinclair Spectrum case in different colors!!!
Harlequin MB + divMMC + PSU + gifts< ... Werner!!!! Guy who sleep with Spectrum's ;)!!!
Description Unit ...Spectrum 48+ 4S - Upper RAM issue, and now a self-created problem!I recently picked up a known-flaky spectrum off eBay, to have a bit of fun fixing it and reliving youth. It was labelled as 'keyboard duff, shows…
... picked up a known-flaky spectrum off eBay, to have a ... anyone built one of the Harlequin 128k revision 2D boards, with ...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.
GreetingsLooking 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…
... I always wanted a ZX Spectrum but never could get ... want to have that Spectrum experience that I missed ... wanting to build a Harlequin. I've got a ... I'm thinking the ZX Spectrum+ but wanted to run ...
Looking at this Harlequin schematic, it just screams out ...wtb: Spectrum and/or Spectrum Plus CaseLooking to buy a Spectrum (rubber key) and a Plus case. I would be interested in a case only, or a non functional machine - don't want to take a wor…
Looking to buy a Spectrum (rubber key) and a Plus ... get a case for my Harlequin project. Would need to be ...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…
... .ebay.co.uk/itm/ZX-Spectrum-Harlequin-48K-to-128K-Upgrade-Addon ...Harlequin video problemsHi everyone at the forums, this is my first post here, so forgive me if I don't post this at the right place. I hope that you can help me. I buil…
... harlequin superfo two weeks ago. I have absolutely no knowledge of spectrum ...Harlequin G 48K - Keyboard failHello All, I built a Harlequin G 48K over the weekend and it appears to be running! Well with the exception that I can't get the keyboard to work!…
... ,
I built a Harlequin G 48K over the weekend ... checked this keyboard on another Spectrum and it's fine and ... also used that Spectrum's keyboard on the Harlequin and it fails ...ZX Spectrum Accessories for ChristmasI am thinking of asking my wife to get me some ZX Spectrum accessories for this Christmas but I do not know what to ask for. I'm thinking of a DIV…
... to get me some ZX Spectrum accessories for this Christmas but ... ZX Spectrum life much easier.
or maybe
A Harlequin ...
