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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…
[QUOTE=pkupcik;474590]I see, what would I need to measure it properly?
[/QUOTE]
an oscilloscope. -
Our Failing Tapes - what to do with them.So, I've been testing out various tapes with a view to putting some of them on Ebay. Some of them do not load on either side and I've tried it in a f…
... ones I use with my oscilloscope and they all seem to ... -
Our Failing Tapes - what to do with them.So, I've been testing out various tapes with a view to putting some of them on Ebay. Some of them do not load on either side and I've tried it in a f…
... ones I use with my oscilloscope and they all seem to ... -
Recapping your SpeccyHas anyone ever done it? I have several vintage amps, tuners, cassette decks that have been recapped. So just wondering are there many on WOS who ha…
... killed, the trace on the oscilloscope showed some activity (as if ... -
Best tools, oscilloscope for ZX Spectrum repairHi, Since I'm a newbie in this area, I'd like to ask about the most appropriate tools for ZX Spectrum repair. For example I'd like to purchase an a…
... in above list is an oscilloscope. I've done many homecomputer ... , but don't own an oscilloscope (I know how to use ... -
Best tools, oscilloscope for ZX Spectrum repairHi, Since I'm a newbie in this area, I'd like to ask about the most appropriate tools for ZX Spectrum repair. For example I'd like to purchase an a…
... with the use of an oscilloscope it is a very usefull ... you decide to buy an oscilloscope the one you have linked ... -
Best tools, oscilloscope for ZX Spectrum repairHi, Since I'm a newbie in this area, I'd like to ask about the most appropriate tools for ZX Spectrum repair. For example I'd like to purchase an a…
... digital)
3) a custom waveform output (including the built-in ... -
Bell sound with PLAY command?Hi Folks, I am no musician so I was hoping someone could give me a PLAY command that would sound like a bell on the Spectrum. A bell that sounds li…
... a high pitch and a waveform which is like |\___ and ... -
Bell sound with PLAY command?Hi Folks, I am no musician so I was hoping someone could give me a PLAY command that would sound like a bell on the Spectrum. A bell that sounds li…
... octave played with a |\___ waveform. Play with the 5000 after ... -
Bell sound with PLAY command?Hi Folks, I am no musician so I was hoping someone could give me a PLAY command that would sound like a bell on the Spectrum. A bell that sounds li…
... would update the pitch and waveform very fast could achieve better ... -
Bell sound with PLAY command?Hi Folks, I am no musician so I was hoping someone could give me a PLAY command that would sound like a bell on the Spectrum. A bell that sounds li…
... would update the pitch and waveform very fast could achieve better ... -
Loading screen noise in Scott Pilgrim vs the WorldAfter coming back from a short vacation and starting to watch some movies, I watched "Scott Pilgrim vs the World". It had references to 8-bit stuff f…
... works by approximating the intended waveform as a sum of sine ... -
Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... standard techniques to render the waveform... I output the phase correctly ... -
Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... standard techniques to render the waveform... I output the phase correctly ... -
Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... with the fidelity of the waveform PlayTZX puts out, leaving relative ... -
Oscilloscope Speccy ProgramHi all, I remember very well in the old days when my Speccy was my single computer (around 1992) that I have had an oscilloscope software. This uses…
... /su8306pp.zip]Cassette[/url] (aka. Oscilloscope) by Robert Horsfall from Sinclair ... -
Simple & Portible means to boost PC Soundcard Line Out?Hi Guys, My older computers were very good at driving a real spectrum's ear socket via their Line Out or Headphone socket. My new Dell's sound card…
... ? (I don't have an oscilloscope).
Anyway, I am ... -
Simple & Portible means to boost PC Soundcard Line Out?Hi Guys, My older computers were very good at driving a real spectrum's ear socket via their Line Out or Headphone socket. My new Dell's sound card…
... trying to recreate the original waveform, merely make sure there are ... -
Simple & Portible means to boost PC Soundcard Line Out?Hi Guys, My older computers were very good at driving a real spectrum's ear socket via their Line Out or Headphone socket. My new Dell's sound card…
... trying to recreate the original waveform, merely make sure there are ... means of sampling the output waveform (e.g. with a scope ... -
MicrodriveHi I didn't write many threads and my English is not the best. I have one original MD and 2 MD's from Sinclair QL. First I belived that they are ful…
... a rom disassembly and an oscilloscope, but you'd have to ... -
Oscilloscope Speccy ProgramHi all, I remember very well in the old days when my Speccy was my single computer (around 1992) that I have had an oscilloscope software. This uses…
... time, not loudness. So the oscilloscope thing cannot be done? -
128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…
... noticed missing clocks by using oscilloscope DSO 2090 which I bought ... -
Fuzzy Screen On 48k Spectrum.Hi there. I bought a Spectrum off eBay last week (another for my collection lol), and it suffers with a fuzzy screen e.g. it looks like interference …
... probed things with my new Oscilloscope.
Now bear in ... I was playing with my Oscilloscope that I realised the reading ... -
Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... clone makers *did have* was oscilloscope to crack bootlegged Spectrum, black ... -
Where to download 7kzx SoftwareHello I'm new around here but very old in the retro gaming scene and i'm starting to dedicate myself to Spectrum after being in the Commodore comput…
... + fine at 19200bps (with square waveform) which means around 30 seconds ... -
Composite modding a TK-83Hi everybody, Perhaps you can help me. I've just modded my Jupiter Ace 4000 to composite video and it worked a treat, so I thought I'd try one of my…
as you suggest it could well be the same problem as the ZX80. Do you have the circuit diagram of the computer and an oscilloscope? -
Composite modding a TK-83Hi everybody, Perhaps you can help me. I've just modded my Jupiter Ace 4000 to composite video and it worked a treat, so I thought I'd try one of my…
I have an oscilloscope, but no schematic. It's not a very complex design though! -
Composite modding a TK-83Hi everybody, Perhaps you can help me. I've just modded my Jupiter Ace 4000 to composite video and it worked a treat, so I thought I'd try one of my…
Here's my oscilloscope...
[img]http://www.retroreview.com/iang/tk83_oscill.jpg[/img]
Is that the same problem? Maybe I need to find the sync signal and do the back porch mod on it... -
Tritone - new three channel beeper music engineYes, yet another. This one provides three channels of clean and loud tone with interrupting drums. It is something between Music Box and Savage engin…
... , so the start of the waveform is more like a plucked ... -
Help with custom loader neededAs people here became active recently about MakeTzx and tzx format in general, I have thought that I would post it here. I have some .wav recordings…
... editor doesn't fix the waveform.
[QUOTE]
BTW ...