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Testing a remote control.Is there an easy way of testing if a remote control is sending out a signal? I got one of these: [url]http://www.robertsradio.co.uk/Products/DAB_rad…
... control is sending out a signal?
I got one ... -
General question about electronics I guess... (128k +2a)[Short question] When I very slightly put my finger on top IC15 on my +2A the TV picture becomes crazy and the spectrum acts if it just resets I don…
...
Its not the television signal chip...
My other +2A ... -
Tape loadersi understand how ROM tape loader works but i dont understand why it so 'complicated'. it measure time until two edges in signal appears. why it does…
i understand how ROM tape loader works but i dont understand why it so 'complicated'.
it measure time until two edges in signal appears. why it does not measure just time to the next edge ? -
Preliminary MontyHey All... A new 2009 production (port from Atari) of a game called "Preliminary Monty" is out. It is a VERY nice platform game - with a bit "crude…
... some parts of it might flicker a bit too much when ... -
ZX spectrum - Make a component cableHello! I have this ZX Spectrum with a faulty RF-modulator, It is good for max 2 minutes and then the picture starts getting bad. Real bad. BUT I got …
... has a pin for component signal.. So I started "building" a ... -
very strange clouds tonightI stepped out earlier at about 1am for a cig, and there was no wind at all, calm enough for the flame from my lighter to not even flicker, yet the cl…
... my lighter to not even flicker, yet the clouds were the ... -
PS3 online issuesI'm having a few problems with my PS3 (again). First of all, I had real trouble getting it to connect wirelessly to my Orange Live Box. After a few w…
... a primary one ok. The signal streangth fluctuates from anywhere between ... -
+2 serial port adaptorSome year ago, a friend, electronic expert, soldered a small flat (five cables) on the motherboard on one of my grey +2s, where the internal electron…
... . How to identify the serial signal meaning, "internally" on the motherboard ... -
Some ever noticed that +2A/+3 halts Z80 using WAIT?I mean: Anyone ever noticed that the +2A/+3 halts the Z80 using WAIT? All documentation I've read about contention state that the ULA halts the Z80 …
... the scope showing the WAIT signal activity. The Spectrum was running ... ).
Meanwhile, the CLK signal shows this (with the same ... /> A clean and steady clock signal, with no traces of high ... 20MHz clock), isolate the CLK signal from the PCB, and feed ... -
WAV to TAPI'm having huge troubles trying to convert a program from a real tape to TAP virtual tape. I have tried several utilities and nothing works. I have p…
...
Spectrum Tape Loader - reads signal but is not able to ... -
ZX80 Pause Routine?I read this in the first issue of Sinclair User... "Ken MacDonald's [I]Amazing Active Display[/I], a machine code pause routine, showed that there w…
... that people used to display flicker-free games on the ZX80 ... -
3.5 drive (external)Hi, I read that I have to put a 'diode' on the ribbon cable (for the RDY signal). But so far I could not find where can I put it on the cable... Any…
Hi,
I read that I have to put a 'diode' on the ribbon cable (for the RDY signal).
But so far I could not find where can I put it on the cable...
Any help, please?
Regards
Chris -
winston's diagnostics boardHi Winston, I've recently built your diagnostics board on project board and am having huge problems getting it running. I've been pulling my hair ou…
... mad. seems like the ROMCS signal is jumping all over the ... -
Composite video and reset buttonOK, I've got some Kempston clone interface here, and I've added a phono socket and a small momentary switch to it (ages ago but forgot about it) . :)…
... /> Wire phono socket to composite signal on edge connector
Wire reset to reset signal on edge connector.
signal instead ? , I'm merely thinking ... -
Trying to repair a 128K (heatsink)I've bought another ZX Spectrum 128K (heatsink model), but unfortunately the last owner did not tell me it did not work.... Because this Speccy also…
... the analog schematics the clock signal circuit is shown.
I ... TEA2000, but there was no signal (I used the frequencymeter on ... -
Name that game: loading routineName that game but with a twist. I remember loading a game and it had a strange loading (protection?) scheme. It played normal when loading up initia…
Windows 7 Installation issuesNeed some more help chaps as I'm totally bloody snookered on this one... My PC spec is this :- Intel Core i7 2.66GHz CPU. nVidia GTX-260 1792Mb Gai…
... there is no longer any signal.
The PC is ...Question on copying screen bufferHi, Al my prevoius games were copying graphics directly to screen memory starting at 16384. Now I'm experimenting with screen buffer where I could d…
... at as it seems to "flicker" at the sprite edges.
flicker as I'm not clearing ...Sinclair 128 K ZX Spectrum +2 faultyI have a problem with my new Sinclair 128 K ZX Spectrum +2. The title screen shows a picture that has a convergence error. Around the signs are yello…
EAR connector on ZX Spectrum +2 possible?Is it possible to put an EAR connector to the ZX Spectrum +2? I need this because I wish to play the software from the pc as wave file to the spectru…
... /> I can put the EAR signal directly to the play cable ...Spectrum Video Circuitry.Wotcha, I've looking at the circuit diagram of the speccy video circuitry (Hey, I'm snowed in, and theres only so much Civ IV i can stand :p), and I…
... to -5v when the Y signal is high (Which i assume ...ZX 48K removing HF modulator?I don't need the HF modulator because I use the video signal. Which parts can I remove? HF modulator. The 2 crystals. Something else? Micky
I don't need the HF modulator because I use the video signal. Which parts can I remove?
HF modulator.
The 2 crystals.
Something else?
MickyWeird Fallout 3 Type Radio Signal in Russia...Noticed this mentioned in Metro the other day and wondered what other folks take on it is? [url]http://en.wikipedia.org/wiki/UVB-76[/url] It's a bi…
Noticed this mentioned in Metro the other day and wondered what other folks take on it is?
[url]http://en.wikipedia.org/wiki/UVB-76[/url]
It's a bit like something from Fallout 3 or Lost....Platform Game Designer 2Right, with Telly Heroes out of the way, I've decided to have a second attempt at this. I've ditched the old PGD2 source, and started again with the…
... code, more sprites are supported, flicker disappears, room data is compressed ...RGB output differences on +2 and +2a/b +3I've got a 37" LG 1080p lcd tv (37LH7000) I'd hooked up my +3 to it and it displays a clear picture (colourwise) however each column looks like it's …
... can't handle the rgb signal please wait for the punchline ... tv channel says that the signal (in all cases) is coming ...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…
... at 50 FPS without any flicker or tearing, and if I ...Is there any video input on expansion bus?Imagine you want to build a custom display hardware, for instance, to add hardware sprites to display. Is it possible to design such a device so that…
Imagine you want to build a custom display hardware, for instance, to add hardware sprites to display. Is it possible to design such a device so that the video signal can go into Spectrum, ULA and then to standard RF socket?Spectrum +3 Scart and Video CaptureHi all, I have my Spectrum +3 hooked up to my telly via scart. I have a PCI video capture card fitted into my PC and a copy of DScaller (freeware u…
... video capture from any composite signal). I been having great fun ...The Grim Reaper is coming for your consoles...According to: [URL]http://news.bbc.co.uk/1/hi/technology/8556874.stm[/URL] [COLOR=Blue][B]"A gaming service that aims to kill off the traditional …
... ? On a real console, the signal from your joypad has to ... the console sends the TV signal through a six foot SCART ... in your home, and the signal getting broadcast miles away, then ... data is processed) the TV signal is sent back via broadband ...
