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What's the correct Spectrum colour palette?Prompted by the recent SCR-to-GIF conversion thread, I was pondering writing one in Z80 assembler. As I did a LZW compression routine a while ago tha…
... and V signals, and a capacitor to tweak the colour carrier ... -
zx spectrum 128+2a/b questionsIv just purchased a 128+2 and have only one game for it lol (Super stunt man). A few question if anyone can help.. 1)I'd like to run games through …
... composite video), so removing certain capacitor will avoid interferences. Note that ... -
Is the 128K heatsink's TV out modulator kit repairable?I have a 128K+ Spectrum that is working absolutely fine and is giving out the perfect picture from its RGB out socket (with the right cable ofcourse)…
... C128 ) temporarily by a second capacitor of similar size. As a ... -
Preamp Solution for Speccys?Hi, I was wondering what people were using to amplify their sound card or line level datacorder signal to a loud signal for a speccy. Is anyone usin…
... power. Try fitting a 100uF capacitor in place of the 10uF ... -
Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…
... , so let's try a capacitor to keep it paging out ... -
Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…
... circuit allows for that stray capacitor to discharge during transitions. The ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... with a 250 ?F electrolytic capacitor between R8 and RGB ground ... one with a 560 pF capacitor between Q1 emitter and ground ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
I solder a 560 pF capacitor between Q1 emitter and ground ... -
+2 (Grey) S-video?I have a pretty good Composite/S-video to VGA adapter that does a nice work of running my retro machines on an old LCD screen. However, it looks best…
... C31 the sound carrier coupling capacitor).
To generate around ... -
Spectrum +2A/+2B: How to tell?Hi all, Sorry if this has been asked before, but I've not found anything that can really help me tell. I've got a black +2, but would love to be ab…
... adding a single wire and capacitor. There's absolutely no rusk ... -
Spectrum +2A/+2B: How to tell?Hi all, Sorry if this has been asked before, but I've not found anything that can really help me tell. I've got a black +2, but would love to be ab…
... , you have to remove one capacitor, and add a few extra ... -
Adding IDE to your Spectrum +2 A/B (or +3)Hello my fellow [B]WoS'ers[/B] [B]This is a shared thread with [url]www.amibay.com[/url] which you can [URL="http://www.amibay.com/showthread.php?t=…
... ]
[I]The original Flux capacitor!
(my flux droper ... -
Video generation using a CPUWe know it is possible to generate a video signal using a CPU, and this technique was often used on low-end computers in the early 1980's (for exampl…
... DRAM is basically a small capacitor - and with the limited die ... -
+2 grey rf out problemI got a kind of broken +2. it basically works, but with a annoying rf out problem. When screen goes black (eg. after border 0: paper 0 command) it l…
... as an extra small value capacitor (remember humans are effectively a ... -
Want a new old PC.Does anyone know of any good place that sell slightly older desktop PC's very cheap? The motherboard in mine is on its way out. Think there is a cr…
... one loose leg on a capacitor, replaced it, but it made ... -
+2 grey rf out problemI got a kind of broken +2. it basically works, but with a annoying rf out problem. When screen goes black (eg. after border 0: paper 0 command) it l…
... as well as desoldering the capacitor that is leading the sound ... -
+2 grey rf out problemI got a kind of broken +2. it basically works, but with a annoying rf out problem. When screen goes black (eg. after border 0: paper 0 command) it l…
... Ingo...
As for the capacitor.... can you tell me which ... -
Spectrum +3 to Joytech PS2 8" LcdHi, I?m making some cables so I can connect my old computers to a Joytech PS2 8" Lcd. Starting with my Spectrum +3 I made a RGB and a composite cab…
... me to add a 220uF capacitor in serie with each R ... -
On a repair spreeHave been helping out my gf regularly lately. FYI: she & myself are not living in the same house, we're kind of in the same boat (financial problems,…
... always some condensation on the ceramic and copper inlet, so cannot ... -
telling the difference between speccysSorry for sounding like a dunce. ive seen a rubber keyed speccy in a local retro shop. How can i tell if its a 48k or 16k model without switching it …
... as it toasts the filter capacitor. The first job should be ... -
ahh..sooo close :) Spec128k+ RGB on LCD monitor helpHello, Was trying out RGB on my 128k+ and a Samsung Syncmaster 204 lcd monitor. Tried this monitor with a Genesis/Megadrive and a SNES and works real…
... high impedance input and electronlytic capacitor at the back to stabilise ... -
Centre video signal from composite modded 48KHi! I made this simple video mod some years ago,to have a composite output instead of RF(on 48k). --from this site-- [url]http://user.tninet.se/~vj…
... way, if I add that capacitor to the uhf changing in ... -
Centre video signal from composite modded 48KHi! I made this simple video mod some years ago,to have a composite output instead of RF(on 48k). --from this site-- [url]http://user.tninet.se/~vj…
... way, if I add that capacitor to the uhf changing in ... -
Speccy 48K grey screenGot a issue 2 48K speccy as part of a job lot on ebay, tested it and apart from a duff membrane it appears to be working. However the screen is a gre…
... . By damping it with a capacitor to ground the frequency can ... -
Spectranet updateHi all It's been a busy summer, and in any case I've wanted a little bit of a break from doing Speccy stuff to avoid it getting old (pun intended). …
... means the voltage across the capacitor C13 has a fairly slow ... 100k resistor with another large capacitor to 0v slowing its decay ... -
The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…
... 't make much. A smaller capacitor makes the job as stated ... -
Driver Trapped in Speeding CarWhat an odd story. [url]http://uk.news.yahoo.com/frank-lecerf-renault-car-acceleration-pedal-stuck-at-125mph-france-belgium-134908648.html#sqdMTvz[/…
... the failure of his flux capacitor as he was looking forward ... -
The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…
... 7805 too, along with some capacitor asociated with this.
I ... -
Cheap electronic kits for hobbyists/Students etcAs prices start to get silly on ebay for electronic components like CPUs, Memory etc, I've sourced two suppliers from China that do me great deals. …
... etc on eBay are vintage / ceramic parts. Stated prices for those ...
