I am well on way building my harlequin now so hopefully I will be able to test it net week

Forgot to add that I'll try to list all their games at some point... and I'm interested in getting one of the harlequin boards to build a new speccy from scratch and have a go with the project olta thing...

... their sockets on the 48k Harlequin. Then instead this add on ... br /> This gives a 128k Harlequin without AY-sound or joystick ... solved while optimizing the 48k Harlequin as for example the glitches ... of the development of the Harlequin was to proove the original ...

Which version of spectrum do you have for that?

I was going to build the harlequin so that I didn't have to mod my original ones.. was hoping for the ay chip and rgb out... although I may still build the Harlequin cause it looks fun...

I'm keen to know too, not for any practical need but the 48k Harlequin was great fun and a good learning experience.

... guys have done on the harlequin is really appreicated.

The main part of Harlequin seems to be a discrete ... fairly easy to modify the Harlequin design to add the banking ...

[quote="MatGubbins;858667"]How about 'Just Speccy"
http://www.retrogamescollector.com/hands-on-with-the-just-speccy-128-by-zaxon/[/quote]Just Speccy uses a Sinclair/Amstrad 128 ULA. So it's not a Harlequin as such.

[b][i]Mark[/i][/b]

Ah! Now modifying a Harlequin, yep, that's possible and ...

... ;858717"]Ah! Now modifying a Harlequin, yep, that's possible and ...

Very interesting. Can this turbo circuit be applied to a normal Harlequin 48k too? I'll like to try it...

[quote="GroovyDrifter;861138"]Very interesting. Can this turbo circuit be applied to a normal Harlequin 48k too? I'll like to try it...[/quote]

Yes, this circuit can be applied to a normal Harlequin 48k

My Harlequin 128k is working since last ...

... transistors were included in 48k Harlequin design after I recommended it ...

... -archive.com/2016/06/11/harlequin-128k-issue-1/

Thank you superfo =D>

[b][i]Mark[/i][/b]

... in the first prototypes of Superfo 128, there are in the ...

These prototypes as Superfo says were not PCB size ...

Another Harlequin lives...

[IMG]http:// ...

I have just received my harlequin 128k Rev 1 board thanks looks great

[quote="Shugs81;864230"]Maybe I got the wrong parts list...[/quote]

Use this one (page 8), sorry for confuse.

http://www.pdf-archive.com/2016/06/11/harlequin-128k-issue-1/

... paper containing my mods for Harlequin 128k issue 1.
[url ...

Could i not just attach it to the harlequin board with the right connections for everything? do i need those extra keys?

I've just got a +2a keyboard... can i wire that up to work with the harlequin?? so that all the keys work? Ta

... up to work with the harlequin?? so that all the keys ...

... just attach it to the harlequin board with the right connections ... /+2B/+3 keyboard to a Harlequin.
All the functions of ...

Ahhh... OK.. Was just wondering if superfo may have an idea of how to use it.... No bother then! Cheers!

... /+2B/+3 keyboard and a Harlequin (or an earlier Spectrum), then ...

... the relevant signals in the harlequin.
Don't think anyone ...

... /+2B/+3 keyboard and a Harlequin (or an earlier Spectrum), then ... ). I think U5B pin6 in Harlequin schematic ).

Schematic :

... no sound getting into the Harlequin.
after pressing enter on ...