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I want to build a new, super spectrum ;-)only kidding Andrew :-) my brain's going at a mile a minute at the moment, so I thought I should put some of the ideas down in case one of them is w…
... opto isolated without ruining the signal responses?
if not, how ... -
New-fangled calculators and other marvellous educational devicesI started an a-level maths class at night in the local tech last week and was amazed by two items of wonderful gadgetry that must be new since I left…
... was actually the pen transmitting signal to the pc, then the ... -
Any '81 buffs?Does anybody know the running clock frequency of a Z80A in a ZX81? I've measured the clock signal on pin 6 and got 6.47MHz, and I'm sure it's not ju…
Does anybody know the running clock frequency of a Z80A in a ZX81?
I've measured the clock signal on pin 6 and got 6.47MHz, and I'm sure it's not just a harmonic. Now that's just silly - isn't it? -
A vexatious questionThis is kind of a follow-up to a question about RST #8 and hardware that I wrote in the development forum a while ago. To summarize that: certain ha…
... of ROMCS before nailing the signal high and paging in their ... -
About the edge connector (reset and comp video)Recently aquired a Kempston type interface for my rubber keyed 48K. Ive been wanting to add a composite video out and it just occured to me i might …
... be able to take a signal from the edge connector inside ... -
Spectrum ethernet ... first stepsThe first thing I do when I get a strange and unusual chip to play with, is to make a breakout board. The breakout board basically contains the chip …
... be split in places by signal lines and 3.3v power ... -
+3 sound problemHello! I've bought +3 a year ago and I wasn't really impressed with it's sound. It was really bad. Then I found this page [URL="http://www.secarica…
... of transistors gets "strange" base signal?
Where does 48k ... -
ZX Spectrum connected to a normal computer monitor (15 pins connection)Would that be possible? Seems like the composite signal needs to be broken down into the signals for the 15 pin connection for normal computer monito…
Would that be possible? Seems like the composite signal needs to be broken down into the signals for the 15 pin connection for normal computer monitors... -
Problem with spectaculator 6.30 "load from audio soruce"Hi all :). I'm new here and with spectrum emulation :). I love old computers i have in home amiga 500, atari 65xe and commodore 64, and i dont have s…
... /100 and sometimes when is signal "piiiiiiiiiiii" red and cyan screen ... -
Some more questions on various subjectsSome more questions that occur to me (mainly when I can't sleep). 1. Do DVD discs have PAL/NTSC formats? If so, how come I could play DVD regio…
... time. Obviously the broadband data signal exists either side by side ... with the audio (normal phone) signal, but what are the details ... -
Need Help With Ad Hoc network.I have two computers, a laptop and a desktop, both with wifi cards. Desktop connects successfully to the outside world. Both are seeing each other …
... = Wireless Network Monitor v4.5) Signal is >90% set as ... -
Last Word WordprocessorOkay, I've got The Last Word by Trojan, but it's a noisy tape and I can't get the emulators to read the signal. Is there a process to eliminate back…
Okay, I've got The Last Word by Trojan, but it's a noisy tape and I can't get the emulators to read the signal.
Is there a process to eliminate background noise? :o
At least there's a manual so that can be scanned in. -
Elite Commander Editors / CreatorsI've noticed 3 of these in the WOS database. One is MIA and the other two have bugs I've discovered and don't edit everything. So, I was going to ma…
CPU question about various emulators for and on various machinesRight, you know how nowadays the latest CPUs seem to be dual (or more) core 2.4GHz (or whatever speed) as opposed to, say, single core 5.8GHz? Now I …
... limitations of the CPU's signal lines, or what?), so the ...Ah Diddums - Nearly A Great Original Game DesignI know this will go down like a lead balloon but....... After playing this game again recently and looking upon it with slightly older eyes I happen…
... implementation.
With smooth flicker free animation and perhaps masked ...Mouse on +3I have a standard PC serial mouse connected thru a BT/Serial Adapter to a Sinclair QL; I bought QL and accessories from a net-friend some year ago. I…
Virgin TV gripesA house I regularly work in had a Cable/Digital Virgin TV box which gave me all the terrestrial channels plus other stuff we had subscribed to such a…
... no longer get an analogue signal - we have to go through ...Bad composite video cable?Last week I received a 128K from Rich Mellor. I know he tested everything, which leads me to believe that the issues I'm having are related to my cur…
... know how to display the signal properly. If I try to ... says there's no video signal (I did change the source ...The vduHi. I recently wrote off my trusty green screen vdu monitor. Using the speccy on the tv just isn't the same. Is there any way to connect the speccy t…
... 't produce such a bad signal as the rf jack. I ... read somewhere that the signal the vdu monitor jack outputs ...Spectrum +3eI think anybody knows what is a Spectrum +3e here, but I didn?t work on one personally. But recently I was lucky enough to get one and even a Spectru…
... did get a improved RGB-signal. You can see it also ... that cutting the TV-signal improves the RGB-Signal?
The former ...Free slightly duff 48k SpectrumHi, I have a Spectrum 48k for anyone who wishes to take it off my hands but it has the following issues: - The EAR port doesn't seem to work proper…
... to get a strong enough signal to load. I've tried ...Faulty M1 pin on a Z80 made from SGS?It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is no…
... 1 and DivIDE use M1 signal as input (among others, of ... at the M1 signal using a scope, the signal is permanently low ...Brazilian Spectrum Clone on EbayI sell the TK-95 Computer which is in fact nearly a Spectrum 48k. As the auction is in Germany and in German language I give you here a translation o…
... a TV which understands this signal. However, the former owner have ...AudiophoolsGood grief, there must be some really gullible audiophiles about if Denon is selling this: [url]http://www.usa.denon.com/ProductDetails/3429.asp[/ur…
... has 'direction markings' for the signal!
You'd think ...Interface III...Cannot load saved file. Any ideas ?I got hold of an Interface III (see [URL="ftp://ftp.worldofspectrum.org/pub/sinclair/hardware-pics/InterfaceIII.jpg"]THIS[/URL] pic). This box makes …
... (several programs tried).
The signal to the Speccy has been ...Spectrum +3 disks.Firstly, thanks to everyone who came up with the +3E and the various interfaces. I've built one and it works fine. Likewise, i have managed to conne…
Science Explained (Finally)!We believe that all the main physics principles can be explained away by the existence of tiny gnomes. Electricity: Inside cables there are hundreds…
... 'breaks up' or has no 'signal' when the presents exchanged are ...tune head on cassette player and set volumeis there software for PC (WinXP) that shows when the signal is good (after changing volume and moving head)? In audacity I can see the shape of signa…
is there software for PC (WinXP) that shows when the signal is good (after changing volume and moving head)?
In audacity I can see the shape of signal while its being recorded, but don't know how it should look..ZX Spectrum +2A, doesnt respond...I have a ZX Spectrum 128k +2A. Trying it out for first time in over 10 years. It starts fine and displays the initial menu and also supplies the tv …
... made. So it seems a signal of some sort is getting ...Works on Amiga but not SpectrumHi, I can connect my Amiga composite out to a PSOne LCD screen and all works fine. But does not work on the speccy. I'm using exactly the same lead. …
... . I did wonder maybe the signal is the wrong frequency? or ... maybe the signal is a bit weaker than ...
