-
Just bought a Spectrum+. Doesn't work. Red bars on screen.Hi all, Something of a noob here. Having recently been on holiday, I came across a Spectrum+ in a box, with a collection of games in a shop, and, af…
... get an alternating pattern of vertical red bars - it switches between four ... , and eight red bars every second or so. No ... -
+2A problemI decided to turn on my real Spectrum hardware to play some games on a real computer. Went to the basement, took Spectrum +2A from a box and turned i…
... of diagnostic test. There are vertical, colorful bars. There number 1987 is ... -
Sinclair ZX 48K rubber keyed faultyI bought a faulty Sinclair ZX 48 K. Power on and the screen shows only 4 vertical white bars. Nothing other happend. I swapped the ULA and it is ok. …
I bought a faulty Sinclair ZX 48 K. Power on and the screen shows only 4 vertical white bars. Nothing other happend. I swapped the ULA and it is ok. PSU is already ok.
Any idea what's wrong?
Micky -
Help me understand ZX RGB signal (long)This will be a long post so please bear with me and most importantly help me. I have a 128K+ and +2A that I'm trying to get working with my 15kHz RG…
... signal is that it has vertical ghost lines. The +2A SCART ... [/IMG]
Notice the thick vertical gray columns. Ignore the grid ... to the eye. The vertical ghost bars are more obvious to the ... -
Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…
... picture was OK sometimes the vertical interference bars were visible (not as ... the monitor "responsible" for the vertical shadows. I will post some ... -
Spectrum +3 blinking yellow/blueI received a +3, which only gives a yellow/blue blinking border during initialization. Pressing BREAK when powering on does not work, neither does a …
Thanks Guesser!
I tried your suggestions:
- Removing the ROMs changes the screen to a white border with vertical yellow bars
- Removing the CPU does the same, but with a black border -
ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …
... screen was white with 16 vertical greyish bars within its area .The ... area also had some smaller vertical bars slightly darker than the rest ... grey but had these greyish vertical striations Also a lot of ... -
Have you got a project or are doing anything interesting during lock down?I’m “having” “fun” cutting shapes in wall tiles to fit around the electrical switches, sockets and heating/boiler control box in the utility room. …
... the canopy glazing bars to either the horizontal or vertical mounting of ... curvature of the canopy whereas vertical mounting would give more of ... , draw a horizontal and vertical line then another i/8 ... stresses between horizontal and shorter vertical glazing bars. -
Spectrum dead: 8 vertical bars in alternating colorsI have been soldering on this basterd for a long time now. All IC's now have sockets (except the LM1889). I swapped all 4116's by types that are 100%…
... up the system, is 8 vertical bars, with some flickering blocks and ... het 8 perfect vertical bars without distortion. The 8 bars take up the ... , light color, total of 8 bars. I can't tell you ... -
Spectrum Composite video connections?Is it possible to modify a standard 48K spectrum to give composite video output? In my experience i have found the quality of the picture out of the…
Those fade vertical bars are normal. All my spectrums have them.
Also normal is the slightly moved to the left paper (a known ULA issue, modeulator has nothing to do with it , later fixed on the 128 models). -
Vertical ScrollersI like finding classic Speccy games which i've never really heard of or played before. I like vertical scrollers, any gems i might have missed from …
... or played before. I like vertical scrollers, any gems i might ... Cresta
Any classic vertical shoot em ups please post ... -
Interface1 problem.I just bought one. Problem is, I plug the thingie in one of my argentinian clones and the machine seems not to run a single Z80 cycle. The screen is …
... with black & white thick vertical bars (about 3 or 4 chars ... -
Issue two picture qualityDoes anyone know if issue two and earlier spectrums have worse picture quality (in general, beside colours) compared to issue 3 and later? I mean on…
... have, i can see faint vertical bars on a white paper and ... -
Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…
... I only get 4 vertical black and white bars over the screen ... these characteristic black and white bars appear on the screen (I ... -
Lion BarsSeeing as there's a thread asking about [B]Burton's "Fish & Chips"[/B], I thought I'd ask about Lion Bars, as I used to love them, but I haven't seen…
... I'd ask about Lion Bars, as I used to love ... -
My first program - a vertical scrollerHi all, I'm new here. Nice to meet you all! A couple of weeks ago I decided to learn Z80 assembly language. I spent many hours in front of the Spec…
... />
It's a little vertical scroller. My goal was to ... -
How looks a Spectrum shown in a TFT VGA monitor?Some people has just asked me if a cheap Dealextreme VGA Box is capable of showing a decent picture from a ZX Spectrum. Well, I've just modded one r…
... the image. There was some vertical bars on the border, barely visible ... -
Smooth (vertical) scrolling on ZX SpectrumI was just thinking about this. You know, you have systems like Atari 2600 or Sega SG-1000 that have no hardware scroll, but they have games that sti…
... smooth (probably full 50 fps) vertical scrolling. Games like Monaco GP ... -
Newbie question about my unwell Spectrum...Hi - I have had a couple of dud 48K Issue 3 Spectrums in the loft for 20 years or more. One would initialise sometimes but could not be guaranteed t…
... a pattern of 4 black vertical bars on a white background. These ... bars move from side to side ... -
ZX Spectrum Woes...In my endeavours to get my second Spectrum (Issue 3) working I have replaced the CPU, memory and lower ram. I have fitted sockets for the CPU and me…
... four four animated alternate vertical black and white bars to an animated ... -
Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…
... />
(Thick black and white vertical bars, but almost always with a ... -
emulators which support H/V scroll bars?You know, for years I've been using Fuse with a pokey little 4" window and moaning about it because the resize arrows didn't (appear to) work, then I…
... less of it and a vertical scroll bar appears at the ... -
Spectrum 48K help neededI hav got an old Specrtum 48K issue 3. When I plug-in power connector it doesn't show the home screen (c) Sinclair.... From about 50 times trying to …
... . Mostly I have white-black vertical bars.
How can I check ... -
Vertical Shoot'em Up's: Humans.Ok. This topic is about those vertical shoot'em up's in which you control a human. Why? Because I say so. It's just a nitpicking categorization. And…
... . This topic is about those vertical shoot'em up's in ... -
Vertical Shoot'em Up's: Ground Vehicles.Ok, the topic says it all. We're talking about tanks, jeeps, cars, pogo sticks and futuristic vehicles (as in Marauder). There's no really substanti…
... in the gameplay from the Vertical Shoot'em Up's with ... is among the finest Vertical (and non-vertical) Shoot'em Up's ... -
Vertical Shoot'em Up's: Spacecrafts.what's missing? for updated lists look [URL="https://sites.google.com/site/concealedwords/home/zxspectrumgames/vertical-shoot-em-up-s"]here[/URL]. …
... .com/site/concealedwords/home/zxspectrumgames/vertical-shoot-em-up-s"]here ... -
decoding loading barsI was idly pondering if it would be possible to decode the tape loading bars - just the header, say, for a standard loader, to determine the title o…
... to decode the tape loading bars - just the header, say, for ... -
The great 128k ConversionWell, I am not sure if it is going to be great. Hopefully it will! This evening, I set about getting my Issue 6A Spectrum Plus working. I suspecte…
... about the electrolytics. There were vertical bars moving horizontally across the screen ... -
Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... white, sometimes black border and vertical black and white stripes as ... or two in the black bars. There is also a distinct ... border
3. The symmetric vertical pattern and buzzing sound indicates ... -
quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
... : STOP
[/code]
The vertical bars are due to S$() being ...
