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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 ... -
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 documentation ... ://trastero.speccy.org/cosas/JL/Harlequin/superfo1.html).
Does ... -
Spec 48K case with a twist...Some people will have heard of the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=37746"]Harlequin[/URL] project under way which is a r…
... /forums/showthread.php?t=37746"]Harlequin[/URL] project under way which ... . Too rough to house the Harlequin PCB, I thought.
So ... -
New here, hello all!Hello all, New to the forums, thought I'd introduce myself. Fan of the Spectrum, though I've never had the chance to own one. Was introduced to Si…
... , planning to put together a Harlequin PCB sometime in the future. -
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…
... /> Think of this as a pcb'd version of Sinclairs original ... ->Reverse Engineered Sinclair prototype [Harlequin]->PCB Harlequin). -
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…
... ->Reverse Engineered Sinclair prototype [Harlequin]->PCB Harlequin).[/QUOTE]
Hmm... Chris ... -
Experiments mixing ULA+ and Timex Hicolour featuresI'm trying to improve my Verilog skills, so I've written a description of a complete ZX Spectrum 128K (+2 grey ROMs), with AY-3-8912. I wanted to add…
... can be soldered into the Harlequin PCB we're currently doing, first ... implement the "ULA" of the Harlequin). -
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…
My Harlequin PCB's and components arrived today.
Hopefully I can find the time to build it before Wittenberg and Cambridge!
Rudy -
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…
Is there a pre order list for new Harlequin PCB's?
Micky -
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…
... list people interested in a Harlequin PCB (only their nicknames) in the ... -
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…
Harlequin PCB soldered now, worked right away.< ... -
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…
Would you agree that the Harlequin, which has same dimensions ... board for defective Spectrums. The Harlequin is not a complete clone ... Spectrum board and uses the Harlequin PCB as a replacement (spare part ... is the difference to the Harlequin? The aim of making ... -
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…
... ]Would you agree that the Harlequin, which has same dimensions and ... ULA.
[quote]The Harlequin is not a complete clone ... Spectrum board and uses the Harlequin PCB as a replacement (spare part ... The aim of making the Harlequin was to proof the analysis ... -
Recreated ZX Spectrum Release date?!?Hi All, I ordered a Recreated ZX Spectrum from Amazon. The release date has since changed to 26th April (3rd time it changed). In the meantime, El…
Would anyone be willing to do a teardown on one of these devices? I'd love to see what's inside (and also whether it may be practical to convert one to a case for a Harlequin PCB, even if this does require cutting the case) -
Recreated ZX Spectrum Release date?!?Hi All, I ordered a Recreated ZX Spectrum from Amazon. The release date has since changed to 26th April (3rd time it changed). In the meantime, El…
... to a case for a Harlequin PCB, even if this does require ... -
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 ... ) has designed a PCB for the Harlequin! (The Harlequin as you probably remember ... ://trastero.speccy.org/cosas/JL/Harlequin/superfo1.html[/url]
MF3 and MF128 (Disciple version) PCB filesI've uploaded my reverse engineered pcb files for the Multiface 3 and MF128. I hope they come in handy for people. Also included is the necessary Jed…
... 've uploaded my reverse engineered pcb files for the Multiface 3 ... 'll try to find the Eagle ones that I might have ...PCB Design SoftwareAnyone have any (free please) recommendations ? I tried the free / personal version of Cadsofts Eagle PCB Designer although I found it difficult to …
... free / personal version of Cadsofts Eagle PCB Designer although I found it ...PCB for romselector for toastrack/grey +2 giveawayHi guys. I've tried my hand at hardware design, and to my great surprise, my very first design worked as expected... :razz: I wanted to be able to …
... went to work in Eagle PCB and came up with ... />
I got the PCB made in china, and as ... the difference between one PCB and ten PCB was less than ... more.
The PCB's are 35mm x 50mm ... . It was designed in Eagle PCB and autorouted in Freerouter ( ...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 ... /> The keyboards are available as PCB only, assembly kit with all ...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…
... this upgrade PCB on ebay for upgrading the Harlequin to 128K:
Harlequin-48K-to-128K-Upgrade-Addon-PCB-UK-SELLER ...ZX Spectrum hardware and schematics(with PCB layout) wantedDoes anyone here has or knows who have the schematics (with pcb layout if possible) of any disk drive interface controller? In the past I had one Mul…
... have the
schematics (with pcb layout if possible)
of ...Kemsoft PCB DesignerHi Does anyone know where I could obtain a download of the Kemsoft PCB Designer package for the Spectrum ZX32 Emulator Cheers Paul [ This Messag…
Hi
Does anyone know where I could obtain a download of the Kemsoft PCB Designer package for the Spectrum ZX32 Emulator
Cheers
Paul
[ This Message was edited by: PaulCh on 2003-04-17 15:49 ]s-video SuccessHaving tried the various composite video fixes for the +3 etc, I was left feeling a little cold at the results, and was about to give up my quest for…
... can find the schematic and PCB layout (Eagle CAD) I made here ... .com/svideo.zip[/url] The PCB fits comfortably inside my +2a ...PCB boards redesign...Would someone be interested in a redesign of the ZX Spectrum hardware? Actually hardware is already working....only need to do PCB layout (o; …
Where to find components, tools etc ?!I think i'm not the only one spending a lot of time surfing the net for components etc for Spectrum Hardware projects. Some component's are not manuf…
... ....
// [url="http://www.pcb-pool.de/uk_index.htm"]http ... ://www.pcb-pool.de/uk_index.htm[/url ... ://www.cadsoft.de/[/url]
Eagle PCB software
//// Still ...Into the eagle's nest questionSome time ago (more than 10 years) I completed "Into the Eagle's nest" game. Now I'm trying to complete it again. On first level I've managed to acti…
... years) I completed "Into the Eagle's nest" game. Now I ...Spectrum PCB reworkHaving repaired a fair few spectrums over the years I have always found replacing the memory chips a right pain in the arse. When replacing componen…
... of soldawick. But, the 48K pcb is of a type where ...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 ...PCB Manufacturer[url]http://cgi.ebay.co.uk/PCB-Printed-Circuit-Board-Fab-Service-for-Hobbyists_W0QQitemZ290143347797QQihZ019QQcategoryZ36323QQssPageNameZWDVWQQrdZ1QQ…
... ]http://cgi.ebay.co.uk/PCB-Printed-Circuit-Board-Fab-Service ...
