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Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…
... glitches at the RAM select signal or not exact timing of ... the horizontal sync signal.
I didn't ... they work perfectly with perfect RGB picture and stereo sound.
Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... to encode as a HDMI signal.
Note: A scan ... converter samples an analogue signal, stores the image in memory ... importantly, the quality of the signal it receives from the source ... the QL outputs nice clean RGB signals.
[b][i ...So for my first trick...I'm sure people have already used the AD724 or AD725 on other 8 bit machines, and i know the Harlequin uses the 724, but not seen anyone trying to us…
... edges of the composite sync signal are a bit slow. Might ... great - not as great as RGB no doubt, but with a ...So for my first trick...I'm sure people have already used the AD724 or AD725 on other 8 bit machines, and i know the Harlequin uses the 724, but not seen anyone trying to us…
... ,G,B and composite sync signal are present also without the ... cable use the composite video signal at pin 1 of the ... the TV. In that case RGB picture will disappear in case ...So for my first trick...I'm sure people have already used the AD724 or AD725 on other 8 bit machines, and i know the Harlequin uses the 724, but not seen anyone trying to us…
... generate a colour composite video signal. This signal is then fed to ... not go short circuit), the RGB video output will continue to ... leads use the composite video signal (instead of the sync output ...Sinclair Research Limited - An Alternate Reality.So, we all know that Sinclair Research went down the tubes because of a lack of focus on the core product, computers. We know that Clive wasted it on…
... a monitor plugged into the RGB port.
The problem ... produced a standard video output signal so that it could use ...ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... same system.
SCART RGB is simply one of a ... number of RGB "standards". Again, these terms do ... a combined (or "composite") synchronisation signal and ground. SCART also has ... ) only - good/very good
RGB - very good
[b ...ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
[quote="Sol_HSA;864153"]On bank switching logic - if there has to ... this data. But no such signal is available on the cartridge ...ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... "][quote="Sol_HSA;864153"]On bank switching logic - if there has to ... ]
No read/write signal needed.
In the ...ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... says :- "5 B GND RGB Blue ground"
RGB Red Ground
pin18 Info says :- " 18 BLNKGND Blanking Signal ... says :-" 16 BLNK Blanking signal ,fast switch (1-3v ...
