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Diagnosing a strange software fault in a 48kHi, A friend gave me a 48k, which I am very keen to restore. The spectrum 48k was my first computer over 20 years ago and I owe my ability to code t…
... /> A friend gave me a 48k, which I am very keen ... to restore. The spectrum 48k was my first computer over ... little box.
The 48k I have been given is ... :(
I made a video showing the issue:
[url ... -
Job lot of various hardware & software for sale.Hi, I put a post up a while ago and sold a lot of my stuff but I've still got a boxful left over, is anybody interested in taking it off my hands? I …
... magic carpet - mastertronic
spellbound (48k) - m.a.d.
... - mastertronic
las vegas video poker - entertainment usa
... willy - software projects
video olympics - mastertronic
agent ... m.a.d.
heavy on the magick - rebound
reset for 48k via edge connectorHi, I really want to wire up a reset button for my 48k, i know how to do this internally, as per the spectrum+ upgrade. But I'd prefer to do it via …
... a reset button for my 48k, i know how to do ... connecting this line to OV (video ground 14b) will reset the ...Improving Composite Output of 48K SpectrumI've been playing around with this Spectrum 48k I got inside a dK'tronics keyboard, because well I've already got two working other ones so why not..…
... obsessed with improving the composite video out modification. Like, really ... /2011/10/zx-spectrum-48k-composite-video-mod.html[/url]
video video (which is 5.5Mhz ... description here on how the video signal is generated:
...48K ZX Spectrum. Issue 4A.Exclusive to WoS, not advertised anywhere else. For sale is a 48K ZX Spectrum, containing an issue 4A mainboard (in the unusual and pleasing cream c…
... />
For sale is a 48K ZX Spectrum, containing an issue ... new, it provides a composite video output, contains a new keyboard ...Video capture from spectrumI got this usb video capture device from maplin to try and record some clips of programs running on my 48k spectrum. [url]http://www.maplin.co.uk/us…
I got this usb video capture device from maplin to ... 48k spectrum.
[url]http://www.maplin.co.uk/usb-video ...800+ Spectrum 128k & 48k original titles still availableHi guys, The original thread was a bit messy and has vanished from the front page, so rather than bump it, here it is again a bit tidier: All origi…
... Hedges
Haunted Hedges
Heavy on the Magick
Helichopper ...
Las Vega Video Poker
Las Vegas Video Poker
Last ...idea: new gaming interface for ZX Spectrum (48k)First of all, I am not an expert this is just an idea of what I would like to see happening in the modern era of the ZX Spectrum. A compact, small, …
... features to your ZX Spectrum (48k):
- USB ports with ... stereo out
- composite out video port
- integrated DivIDE logic ... same time.
The video and audio out should be ...Video on single transistor composite video modification for 48K SpectrumsI made a video on the single transistor composite video mod, using an Issue two Spectrum although it applies to all issues. Much better than the sing…
I made a video on the single transistor composite video mod, using an Issue two Spectrum although it applies to all issues. Much better than the single wire mod, and almost as easy.
[url]https://www.youtube.com/watch?v=CFbAQl-kx8g[/url]New user with a dead 48k issue 2Hello all I've found my way here from watching some excellent youtube videos by Joulesper Coulomb in an attempt to fix a issue 2 rubber key 48k I bo…
... a issue 2 rubber key 48k I bought at a carboot ... are suggested in the youtube video and the voltages at the ...Bad (new) 100uF caps causing video disturbanceJust to let you know about one of my small experiences: I had a couple of 48K boards I was refurbishing: new electrolytic caps, composite video, te…
... of 48K boards I was refurbishing: new electrolytic caps, composite video, testing ... , I got disturbance in the video output with horizontal lines, look ... took a board with correct video output, and started to replace ...Video fault on issue two ZX boardI've trawled the Internet and drawn a few blanks as to where to look to resolve the fault with my issue two board. I'm hoping a few of you knowledgea…
... planning to do a composite video modification to the computer anyway ... . I have a working Spectrum 48k with a 3B board I ... couple of resistors in the video circuitry, again as recommended and ...48K Issue 6A board only showing B/WI have a 48K Issue 6A board here, which only shows a B/W composite video signal on both, the modified RF-out, but also on the expansion bus (using my…
I have a 48K Issue 6A board here, which ... shows a B/W composite video signal on both, the modified ...128k Toastrack Composite Video output confusion!Hi everyone. Ok, so I have a couple of 48k's that I have performed Wombles fantastic composite mod on. They work great here in Canada on my big scre…
... I have a couple of 48k's that I have performed ... modulator the same as the 48k's. So, I am a ... I have done for the 48k's? Neither my TV or ... the composite output from the 48k's so personally that would ... />
An RGB to COMPOSITE video lead would be great. Is ...I broke my 48k Speccy!!!!Hey guys, I am looking for some advice, I hope you can point me in the right direction. So, I went about replacing all the capacitors on my issue 4…
... without any issue on other 48k's.
... the initial start up test video from Zigg.net. Except, ... 125 point in the video and continued until it ... over limit. In the video it should peak at about ...
Why does the 4b 48k schematic only show micro farad ...Mystery Port on ZX Spectrum 48k +Hi, I was wondering if anyone could help me with a little mystery? After I tripped over my first 48k +, and knocked out the joystick expansion, I…
... I tripped over my first 48k +, and knocked out the joystick ... , I bought an almost identical 48k + from a second hand shop ... if it was an RCA video port (especially since it was ...48k noise problem..Hi guys, I need some hardware advice with my old 48k. The machine is VERY noisy - I've fixed the video noise by performing the 'composite' mod, but …
... hardware advice with my old 48k.
The machine is ... noisy - I've fixed the video noise by performing the 'composite ...Fully refurbished ZX Spectrum 48K boards incl. ULA- Including ULA (version that [URL="http://www.bytedelight.com/?p=41"]corresponds to the board issue[/URL] - click to find out more about ULA version…
... new electrolytic capacitors
- Composite video modification
- Repaired if needed ... .bytedelight.com/?product_cat=zx-spectrum-48k-refurbished-boards[/url]
[/SIZE ...The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…
... more
ROM1 - 48K Basic
SysRam:
48k
keyboard layout)
...
You can find a video showing this version on YouTube ... , Miguel have some issues with dot extension commands..
…
Video Problem - Spectrum 48kYet again I come seeking help.... Can anyone point me in the direction of anything that explains the video generation circuit on the Spectrum? I'v…
... of anything that explains the video generation circuit on the Spectrum ... find any information on the video circuitry to give me a ...128 +2 grey, no video but still beepsGot a grey 128 from ebay, im using a 48k spectrum powers supply, all voltages seem ok. I cant get compostie video using the normal mod or from the 8…
... from ebay, im using a 48k spectrum powers supply, all voltages ... .
I cant get compostie video using the normal mod or ... i correct in thinking rgb video will still work as it ...Issues with Spectrum 48K on SCART input of LCD displaysHi *! I'm new to the forums, but not new to ZX Spectrum. I have bought a ZX Spectrum 48K in 1983 and own it since. It was stored some 20+ years on…
... have bought a ZX Spectrum 48K in 1983 and own it ... .
I modified the video output to get rid of ... is going on with that video output!48k spectrum problems at bootHey guys so my 48k Specfy, Issue 3B is having some issues. They're not entirely consistent but the majority of the time (95%) it presents itself as m…
Hey guys so my 48k Specfy, Issue 3B is having ... as many colored bands of video noise with vertical black and ...48k Issue 6a Very sick indeed.Hi Guys. I have a 48k Issue 6a board that shows a white screen with grey border. The white screen has three black squares spaced equally on the le…
... .
I have a 48k Issue 6a board that shows ... according to Ziggs initial check video.
The LM1889N chip ...New colour palette for Spectrum emulators, 16K/48K/+ machinesI’ve made a colour palette for 16K/48K/+ machines, based on the YUV voltage tables in Chris Smith’s book The ZX Spectrum ULA. This colour palette …
... a colour palette for 16K/48K/+ machines, based on the YUV ... ZX Spectrum 16K, ZX Spectrum 48K and ZX Spectrum+ machines, basically ... these use a TEA2000 composite video encoder and don’t have ...New colour palette for 16K/48K/+ machines, based on ULA YUV voltagesI’ve made a colour palette for 16K/48K/+ machines, based on the YUV voltage tables in Chris Smith’s book The ZX Spectrum ULA. This colour palette …
... a colour palette for 16K/48K/+ machines, based on the YUV ... ZX Spectrum 16K, ZX Spectrum 48K and ZX Spectrum+ machines, basically ... these use a TEA2000 composite video encoder and don’t have ...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 …
... on ebay... a Speccy 48k issue 2 with a 5C112E ... 't lock on the video signal and I have ... not like the Speccy's video output because:
a) ... voltage of the composite video signal which goes to ... ]
My composite video ouptut whith transistor mod
Starwars IV opening crawl demo---------------------_______________________--------------------------- Starwars IV opening crawl demo on 128K :) [url=https://mega.nz/#!37BV…
... ---------------------------
Starwars IV opening crawl demo on 128K :)
Video Demo[/url]
48K Issue 3B slowly fading over 15-20 seconds, capacitor gets hot.Hi folks, Recently my much-modified* RAM testing 48K board failed with a hot/burny smell so I turned it off quickly for looking at later. Thinking…
... my much-modified* RAM testing 48K board failed with a hot ... through Joulsper's very helpful video on resistance checking etc and ...Harlequin G 48K - Keyboard failHello All, I built a Harlequin G 48K over the weekend and it appears to be running! Well with the exception that I can't get the keyboard to work!…
... /> I built a Harlequin G 48K over the weekend and it ... all works fine (e.g. video % sound etc).
I ...
