-
Some questions about the Timex TC2048/TC2068I have been doing some research about the specs of these 2 machines but I suppose it would be better to ask for advice in the forum since I have neve…
... the TC2048 was designed for spectrum compatibility is sort of ... spectrum's ula circuit, however, with changes made for the new video modes and for ... the video mode. Some sw on the spectrum read ... tc2068. The ts2068 cartridge spectrum emulator is nothing more ... -
Clamping Speccy InterfacesThere are a huge number of broken Speccy interfaces available . I came across one on Ebay recently said to be "partly working" or similar .Why are th…
... Tube Video for details of this .Here is the link to Mark's video ... though . Can an ordinary Zx Spectrum cope with these 2 interfaces ... simple . Can an ordinary Zx Spectrum power supply cope with these ... it best to mod the Spectrum as well (eg Switching regulator ... -
Keyboard mat questionsDoes anyone know if there were different versions of rubber mats on the original 48k speccy's, and whether any were known to have a less tactile (ie.…
... of the differences with Spectrum's in her YouTube video:-
[url ... it!
That's too much for me to handle... :P -
Keyboard mat questionsDoes anyone know if there were different versions of rubber mats on the original 48k speccy's, and whether any were known to have a less tactile (ie.…
... of the differences with Spectrum's in her YouTube video:-
[url ... it!
That's too much for me to handle... :P ... -
Keyboard mat questionsDoes anyone know if there were different versions of rubber mats on the original 48k speccy's, and whether any were known to have a less tactile (ie.…
... of the differences with Spectrum's in her YouTube video:-
[url ... it!
That's too much for me to handle... :P ... ]
What, there's more??
No, I ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
[b][u]S-video mod to ZX Spectrum[/u][/b]
Personally ... existing TR1 and TR2 for the luminance signal and ... using new transistors for the chrominance signal.
... transistor's emitter is the luminance output.
For the ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... quote="1024MAK;944964"][b][u]S-video mod to ZX Spectrum[/u][/b]
for the luminance signal and using ... new transistors for the chrominance signal.
< ... spec and the original spectrum circuit was not overloaded. -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... ="1024MAK;944964"][b][u]S-video mod to ZX Spectrum[/u][/b]
for the luminance signal and using ... new transistors for the chrominance signal.
< ... difference being the transistors used for each part not being the ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... "]Thanks to both of you for your advices :-). I may try ... it from the Spectrum PCB to a new 'S-video' board. It then ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
I am waiting for an S-video cable adapter female/male ends ... of a male/male S-video cable in the spectrum and will fix ... a male s-video jack input at the back of the spectrum. Once ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... do not have any video signal at all for s-video so I was ... thinking that something has fried into the video ... fine and also I did for the resistors which have all ... comes from the Spectrum or from the new s-video circuit. Could the ... -
Spectrum 48K / composite mod / LCD TV: voltages out of the ULAHello Spectrum World I have juste bought again my first computer on ebay... a Speccy 48k issue 2 with a 5C112E-2 ULA. Just had to replace TR4 and …
... and especially e) are suspect for the synchronisation problem
... bit-logic-analyzer[/url] for a possible interface between ... br /> [b]--> S-Video modification:[/b] no idea if ... .fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]fruitcake ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... that with a shiny new s-video to bnc -cable (both ... Happy times! Thank you Mark for all your help![/quote]
Spectrum to S-Video (because S-Video is superior to Composite) and then used an S-Video ... to BNC adapter which converts the S-Video back ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... of the composite video signal. The original conversion to composite video looses picture ... that S-video signals are less limited compared to composite video, so a conversion ... ZX Spectrum computers were not designed to produce high quality video outputs ... -
No video on Spectrum +2BI have a Spectrum +2B that I bought real cheap without any cables. I made a power adapter for it using an old ATX PSU I had laying around, it's curre…
... an RGB input, there’s no need for any mod at all ... the DIN connector on the Spectrum and connect them to ... :
[code]
Spectrum +2A SCART
------------------------------
3 ... )
4 (CSYNC) 20 (video in)
7 (red) 15 ... -
Artillery - projectile motion gameI started writing this around 25 years ago and abandoned it due to performance issues, and a lack of physics knowledge. Bandersnatch on Netflix fille…
... give it a distinctly ZX Spectrum aesthetic. Some of that ... that lower screen space designed for mouse input:
... highlight which castle was prompting for user input. During the ... there's some conversion logic required which slows it all down (for ... -
Replacing voltage regulators - need to sanity check a few things pleaseHi Everyone I'm in the process (with a lot of help from some friends at Greenford Computer Club), of giving my three Speccys some much needed prev…
... derived from the RGB video signals...).
For the 16K / 48K ... 16V electrolytic capacitor (+ to the Spectrum circuitry, - to the phono connector ... to my regularly used ZX Spectrum+ (but it is an issue ... to replace it as it's been pure luck that it ... -
Monochrome monitorsSilly question perhaps, but thinking back were there any games specifically written to be used with a monochrome monitor? Is it true that monochro…
... />
Of course for a ZX Spectrum or ZX80, ZX81, all ... ) about composite video.
A monochrome composite video signal is equal ... good design. It was designed for low cost, not high ... be carried.
S-Video keeps the colour signal separate ... -
Recreated Spectrum .What do we get for the "now" (Aug 2017) best retail price of around £35?Well best/ cheapest retail prices can vary a bit so I thought it best to be specific. At this £35 price ,is it a good deal and what do we get ? A…
... more like a useful tool for Spectrum emulation.
Obviously ... Speccy's basic graphics using this same jack port for the ... port was substantially altered for later Pi's . This explains why ... my problem has been that VIDEO output was simply not ... -
Another Spectrum is brought back to life.Hi Spec-chums. I have been having bit of busy afternoon with repairs today. I've brought back to life a Panasonic Super-VHS recorder, and more intere…
... learn a way that's most effective for you.
for untested or for parts Spectrums on ...
Regarding repairing Spectrum's. Take a look at JoulesperCoulomb ... multi-meter and follow this video first:-
[ ... -
Video: Composite video mod on the ZX SpectrumThe video actually ended up being mostly about digging deep into into the image generation of the ZX Spectrum. Eventually I make the composite video …
... the composite and RGB for ZX Spectrum looked really close.
for that.
May ... /> Don't ask me for details, I 'm just ... fact, a welcome feature for vintage machines that don't ... real quality of cvbs/s-video signals coming from different ... -
Spectrum Next shipping this weekJust wondering if anyone else here got the mail about the Spectrum Next shipping this week and is anyone excited about it? It's been so long that th…
... ’ve not opened the ZX Spectrum Next yet.
However ... =https://youtu.be/LAkz1f2sMDU]this video[/url]:
https://www ... a heavy discounted manager’s special price (for a limited time only ... -
Dk'tronics and other similar "add on" Speccy keyboards . What can be done with them and when?. The underlying assumption I am making here is that people who have them will want to "hang on" to them and may also want to get them working . But …
... casing up effort? . The candidates for prioritization include various types of ... /offer/details/zx8-_ccb--_-video-output-for-zx81-3712"]This module ... than a composite modified ZX Spectrum’s video output). Other similar products are ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
My Spectrum still works, phew! Desoldered the ... works. I've put the s-video circuit on my Issue 3 ... replace the modulator. Now, waiting for the boards to arrive and ... -
Interesting TV show titlesWatch the first few seconds to this American kids' show and you may see a very familiar sight in the background…! https://www.youtube.com/watch?v=…
... /> It's just that when I watched the video looking for the stripes ... inspiration for adding the effect, maybe someone is familiar with the spectrum ... and thought it was adequate for the show ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... being used on a C64 s-video board and that puts out ... IC's are almost the same, but the 7316 is for HD video ... processing, the 7314 is for SD video processing. So ... not use the THS7314 for a ZX Spectrum s-video modification. So, I studied ... -
Retro Game Comparison Blog.So, here's a shameless plug for my blog, which should interest some of you. Then again, it's not biased towards any particular system, so it might no…
... time for doing retrogame comparisons. But here's what's been ... of it is not very Spectrum-oriented.
Most ... beginning, here's all the links for the Spectrum episodes so far ... Also, here's the Speccy-related Let's Play video links for [url="https ... -
boot fail .. bad address lines A7,A12,A13anybody have any ideas what could be wrong with this specie issue 3B .. work done : removed rom, upper ram & logic put lower ram multiplexers in sock…
... have decided to stop trading for now, and just do ... before stopping trading.. waiting for some pcb's to come from china ... the video memory rather than composite conversion and tried a 48k S video mod ... player connected to a Arduino for loading games from SD card ... -
Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…
... /> [/quote]
It's even more important in hardware ... run separate 48K and Upgraded video modes within the same 64K ... or potentially even run outputs for Spectrum screen and Loki screen side ... it's very, very close to how they got the Spectrum screen ...
