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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…
... no plans to sell the Harlequin. I started the project to ... -
Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…
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It includes the PCB board layout with traces on ... am currently working on another pcb board layout that includes the ... take me to create the PCB layout as my time on ... -
Interface extension cable ?I'm wondering if I can make an extension cable for the Speccy's expansion port. It's not the part of making it I'm uncertain about, but wether the l…
... it was on a 160x100mm PCB was like night and day ... -
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…
... demo to fail on the Harlequin 8-)
What seemed ... the timings displayed by the Harlequin are now [B]identical[/B ... -
Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…
... am currently working on another pcb board layout that includes the ... -
A nice program for designing hardware.I tried a nice program named DipTrace. [URL]http://www.diptrace.com[/URL] It's for drawing schematics and pcb's, and it can also convert the schema…
... , I already use gschem and PCB, which are not restricted at ... -
Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…
... of a struggle getting the PCB right, basically I fscked up ... -
scanning boards with EPROMs?I have a number of expansion boards (for the ZX81) that have EPROMs on them. I'd like to scan the boards for preservation - you get a much better pi…
... scanned several eproms and one pcb last week. I didn't ... are no eproms on the pcb? Is it safe to scan ... -
scanning boards with EPROMs?I have a number of expansion boards (for the ZX81) that have EPROMs on them. I'd like to scan the boards for preservation - you get a much better pi…
Well, what is done is done. I scanned all my custom pcb cartridges and eproms (pics will be posted soon). I still haven't figured out how to control focus when using a digital cam. :lol: And the scanner seemed like a good option. :) -
ZX Spectrum robotUsed to help build PCBs, etc. :-D [url]http://www.spectrum-robot.narod.ru/[/url] Maybe it's old news, but I only found about it when I started read…
Hey, a Spectrum powered CNC machine :-)
I'd love something to make PCB making quicker and easier. Something that'd automatically drill the holes would be really useful for larger boards. -
ZX Spectrum robotUsed to help build PCBs, etc. :-D [url]http://www.spectrum-robot.narod.ru/[/url] Maybe it's old news, but I only found about it when I started read…
... 'd love something to make PCB making quicker and easier. Something ... -
ZX Spectrum robotUsed to help build PCBs, etc. :-D [url]http://www.spectrum-robot.narod.ru/[/url] Maybe it's old news, but I only found about it when I started read…
... 'd love something to make PCB making quicker and easier. Something ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... my shock when building the Harlequin ;-)
Hope that is ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... .zip"]this one[/URL] on Harlequin? It's quite time sensitive ... work you have done on Harlequin. I just think that there ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... ulatest3 being correct because the Harlequin [I]definitely[/I] reads the ... on the Wiki on the Harlequin and a Spectrum 48K shows ... .zip"]this one[/URL] on Harlequin? [/QUOTE]
I get ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... .zip]fusetest[/url] on the Harlequin? That runs IN A,(FF ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... .zip]fusetest[/url] on the Harlequin? That runs IN A,(FF ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... difference between the emulators and Harlequin is not enough. The contended ... course that it works on Harlequin, otherwise we would be in ... verify the 1T offset with Harlequin at hand, you might just ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... verify the 1T offset with Harlequin at hand, you might just ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... I have gathered from the Harlequin blog, the smart thing about ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... .zip]fusetest[/url] on the Harlequin? That runs IN A,(FF ... Memory contention Passes on the Harlequin, on Fuse 0.8.0 ... -
7 to 9" TFT screen on SpectrumI'm willing to buy one of those and connect the Spectrum via the Composite Video input. Has anyone tried that? What kind of image quality may be expe…
... be nice.
Get the harlequin CPLD design finished, a few ... -
Smoke :)Anybody with a Chemistry degree on here? I am playing with two copper plates in a bath of table salt soloution. Nothing strange? Right, so when I …
... a bit of double sided PCB material.[/QUOTE]
Woah ... -
Smoke :)Anybody with a Chemistry degree on here? I am playing with two copper plates in a bath of table salt soloution. Nothing strange? Right, so when I …
All sounds rather dodge to me!!!! Death, dont blow your self up or set urself on fire!! if you havn't already!:-( for goodness sake just scrape the PCB off with a knife or something simple like that! :D -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... end. Does it appear on Harlequin?
[QUOTE]The product ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... end. Does it appear on Harlequin?[/QUOTE]
I don ... real spectrum, let alone the Harlequin, but then never got round ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... real spectrum, let alone the Harlequin, but then never got round ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... do you get on the Harlequin and on a real machine ...
