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FPGA ZX SpectrumJust wonder: how many of you would buy "new hardware based" and "in case" ZX Spectrum based on FPGA? ;) [url]http://www.fpgaarcade.com/[/url]
[QUOTE=superfo;595150]Here is a Speccy ... .speccy.org/trastero/cosas/JL/Harlequin/superfo1.html[/url][/QUOTE]
FPGA ZX SpectrumJust wonder: how many of you would buy "new hardware based" and "in case" ZX Spectrum based on FPGA? ;) [url]http://www.fpgaarcade.com/[/url]
[QUOTE=superfo;595150]Here is a ... speccy.org/trastero/cosas/JL/Harlequin/superfo1.html[/url][/QUOTE]< ... 3Dspeccy.org/trastero/cosas/JL/Harlequin/superfo1.html%26hl%3Den% ... trastero.speccy.org/cosas/JL/Harlequin/superfo1.html&usg= ...FPGA ZX SpectrumJust wonder: how many of you would buy "new hardware based" and "in case" ZX Spectrum based on FPGA? ;) [url]http://www.fpgaarcade.com/[/url]
[QUOTE=superfo;595150]Here is a Speccy ... .speccy.org/trastero/cosas/JL/Harlequin/superfo1.html[/url][/QUOTE]
Speccybob PCB layoutSorry to start yet another Speccybob thread, but I can't seem to find out if anyone has tested Mike Wynne's PCB layouts. I have amassed all of the co…
... ;595085]And finally, superfo clone based on harlequin scheme is here:
Harlequin/superfo1.html[/url]
Superfo[/b] & [b]Jose_Leandro[/b ...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 ... Don (Superfo) has designed a PCB for the Harlequin! (The Harlequin as you ... trastero.speccy.org/cosas/JL/Harlequin/imagenes/img_3170.jpg[/img]
So this is the new Harlequin? Fits in 48K box? Wit ...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…
... ://trastero.speccy.org/cosas/JL/Harlequin/Documentacion/superfo-harlequin2.xls[/url]
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…
... ://trastero.speccy.org/cosas/JL/Harlequin/Documentacion/superfo-harlequin3.xls[/url]
Harlequin/Documentacion/Attachments_2012_04_17.zip[/url]
The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... of superfo clone:
[IMG]http://trastero.speccy.org/cosas/JL/Harlequin ...The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... of superfo clone:
[IMG]http://trastero.speccy.org/cosas/JL/Harlequin ...
will the 48k superfo clone be produced again? I ...The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... was to produce a 48k superfo with 2 db9 atari joystick ... />
With this new 128K superfo clone you can do the ... were slightly different between a 128 and a 48 going off ...The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... were slightly different between a 128 and a 48 going off ... that we are building is Harlequin based, so timing is exactly ...Replacing Upper RAM in 48KHi Folks Well, my fun continues :) After sorting the display issues with this machine I found I couldn't load software meant for 48K machines. Havin…
... work very well for the Harlequin boards if I not mistaken ... of RAM in the PCB Harlequin then this should work. But ... HAL chip in the original 128 ).ZX Spectrum ULA core available at OpenCoresHi! On April, 23th, I opened a new project at the OpenCores website: [url]http://opencores.org/project,zx_ula,Overview[/url] Right now, it has a, h…
[QUOTE=superfo;640897]This is a 128 +2e clone.[/QUOTE]
Not aware of anyone cloning the +3 hardware (albeit without the disk interface) before. Well done. Now how would you feel about cloning the Spectrum SE? ;)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…
[QUOTE=superfo;646082]Should we correct it ... : Yes I will take my harlequin to Wittenberg.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…
... the known schematic of the 128 k and +2 versions of ... /> The big advantage of the harlequin for me is that its ...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…
... the known schematic of the 128 k and +2 versions of ... /> The big advantage of the harlequin for me is that its ... /> Don't forget that the Harlequin came before I opened up ...RECOM pin compatible DC-DC 7805 regulator replacementsFinally got myself sorted out now. If you want to purchase chips send me an email to [email]alistair@alistairsserver.no-ip.org[/email] with your payp…
I use this one [URL="http://www.ebay.co.uk/itm/270900301106"]http://www.ebay.co.uk/itm/270900301106[/URL] in my harlequin and in future also in my 128 k heatsink. It is reliable, cheap and small.
Greets Ingo.WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... happened to me with the Harlequin-Superfo clone. I couldn't get ...The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... will consult with McLeod and Superfo.
[QUOTE=velesoft]
128 timings. There are more 48K ...The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... --------------------------------------------------------------------------------
Beta 128 Disk Interface
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... disable ROMCS line (Superfo can detect this ...The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…
... the clone and for the Superfo 128 testing. I'm still reading ...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…
... F of harlequin ready for making new PCBs (Thanks to Superfo / Don ... for a new lot of harlequin. If anybody is interested to ...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…
[U][B]Harlequin rev. F is ready - new ... F of harlequin ready for making new PCBs (Thanks to Superfo / Don ... for a new lot of harlequin. If anybody is interested to ...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…
... F of harlequin ready for making new PCBs (Thanks to Superfo / Don ... for a new lot of harlequin. If anybody is interested to ...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 fine here :)
as superfo say 48k membrane work well ... 7805 go too hot and Harlequin hang.
Do this is ... 's all right with my Harlequin :)
Greets,
GorskiSignificant machines by yearI'd roughly divide Spectrum's hardware history into four periods: Sinclair (1980 to 1985), Amstrad (1986 to 1988 ), Russian (1989 to 1996) and Homebr…
...
[*]2007—Speccy2007
[*]2008—Harlequin
[*]2009—V6Z80P
[*]2010 ... -Badaloc Reloaded
[*]2012—Aspect 128 AVR[/list]Using even ports for input?I've been looking for unused ports to use with my clashbasher interface. I understand that the spectrum only considers A0 when decoding its input p…
Sadly, IORQGE is only present in 16K/48K boards. The Superfo clone designed after the Harlequin specs also implements IORQGE :)
This approach will also conflict with the external PS/2 keyboard interface.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…
[QUOTE=aowen;765271]...and the Harlequin, which is a Spanish home- ... note: as you know, the Harlequin is a design by Chris ... , Flopping, and myself-), along with Superfo from USA, and later Ingo ...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…
... note: as you know, the Harlequin is a design by Chris ... , Flopping, and myself-), along with Superfo from USA, and later Ingo ... seen the original bread-board Harlequin. It takes a lot of ...Timex contended memory timings, the TS2068 kludge board and EXROM at $4000 - $7FFFI haven't seen this documented anywhere yet so I thought I'd share my findings. I've been investigating contended memory timings on the Timex Sinclai…
[QUOTE=superfo;767242]I see, I am ... an AY chip on the 128 ports as part of the ... was available on both the 128 and the Timex ports.
