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Almost perfect RGB signal: +2aI'm using an RGB to scart lead on my +2a and the picture is almost perfect except for anything black on bright white. For example, the copyright mess…
I'm using an RGB to scart lead on my +2a and the picture is almost perfect except for anything black on bright white. For example, the copyright message is unaffected but 'loader', '+3 basic' etc I'm seeing 'creeping' broken line-like shadows to the left ... -
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…
... work directly with a 4FSC clock, which means it could be ... -
ZX Diagnostics v0.33 releasedHi everyone, I'm pleased to announce the release of v0.33 of zx-diagnostics. This release contains the following changes: - ULATest: Detect …
... and white stripes follow tape signal in border
- ULATest: New ... -
Harlequin turbo mode ( 7 MHz )Hi, All. Sorry for my bad english. I make Harlequin mod - turbo mode ( CPU clock 7MHz ) for Harlequin. Could you be so kind to write your opin…
... Harlequin mod - turbo mode ( CPU clock 7MHz ) for Harlequin.
Could ... -
R registerI'm cross-posting this as a spin-off of a [url="http://www.worldofspectrum.org/forums/discussion/52748/zx-spectrum-cartridges/p2"]thread in "Hardware…
... along with a refresh control signal while the CPU is decoding ... -
A focus on old TVs for 48k spectrums The old 48k Spectrum is becoming harder to use "display wise" in its original state. This thread is about retaining originality and not going down …
... to hold a Spectrum tune signal . It would be fine for ... -
Composite video ghost image on ZX Spectrum 128K +2Hi, I have a ghost image on the composite video out on my ZX Spectrum 128K +2 and have run out of ideas of what could be wrong. Does anybody have a…
... using a breadboard.
- the clock input into the TEA2000 looks ... -
ZX Spectrum video waveformsAll work for this post was done on a ZX Spectrum issue 1 board (16k bytes of RAM only). This was what the Spectrum displayed on the TV screen: [i…
... is the colour encoded composite signal signal going to the modulator input ... . It is this signal that people normally use for ... (monochrome / luminance composite video) signal from the ULA. This is ... ] is the composite video signal going into modulator. Set ...
