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Search Again :: Adv Search 1000 results in 0.005s
<1…9101112131415…34>
  • Fully-addressed devices initiative (FADI)I would like to introduce an initiative for those who create new pieces of hardware containing legacy devices with well-known addresses. It says that…

    ... 16 addressing bits and /M1 signal should be decoded. For example ...
    Jiiira Jiiira March 2013 Hardware
  • Improving Composite Output of 48K SpectrumI've been playing around with this Spectrum 48k I got inside a dK'tronics keyboard, because well I've already got two working other ones so why not..…

    ... and wire the composite signal wire to the centre ... capacitor in series with the signal out:
    [url] ... NPN transistor on the signal line which actually made ... amount of noise on the signal.

    There ... here on how the video signal is generated:
    [ ...
    RobeeeJay RobeeeJay March 2013 Hardware
  • Slight PlusD Mini problemsI'm advancing rapidly now on the PlusD Mini: [IMG]http://benophetinternet.nl/hobby/vanmezelf/20130330_104705.jpg[/IMG] [IMG]http://benophetinternet…

    ... diodes to create an OR signal from adress lines, to save ...
    bverstee bverstee March 2013 Hardware
  • Strange +3 HW IssueI a have a +3 with Issue 2 board system powers up ok and is useable as computer Drive works ok (tested on another machine) the drive however doesnt…

    ... the drive isnt getting a signal to kick it off etc ...
    Ikduncan Ikduncan April 2013 Hardware
  • 48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…

    ... couldn't get a RF signal out of it (or I ... plugged it I got a signal but its all distorted (see ...
    deadeye deadeye April 2013 Hardware
  • Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…

    ... to tune in the RF signal for my speccys.
    However ...
    thomas3120 thomas3120 April 2013 Hardware
  • Strange and faulty toastrackI just got hold of a toastrack, which is kind of strange. First of all, when I opened it, I spotted a socketed ULA and ROM, which is good, however, t…

    ... quickly access to the composite signal, I can see the LEDs ... barely glowing and no composite signal at all.

    I ...
    schombi schombi May 2013 Hardware
  • Fuse for Mac OS X 1.1.1 ReleasedA new version of Fuse for Mac OS X has been released at the dedicated sourceforge project and shortly here on WoS: [url]http://sourceforge.net/proje…

    ... /> [*] Support for the TZX set signal level block (Fredrick Meunier).
    Fred Fred June 2013 Emulators
  • 48K rubber keyed ZX Spectrum. Issue 3.It's time to offer the WoS forum users another of the Spectrums I've been repairing and refurbishing. See: [URL="http://zx.zigg.net/spectrums/ZX144/…

    ... and provides a composite video signal on the rear output connector ...
    Zorn Zorn June 2013 Sales
  • Using downloaded WOS filesI am the new owner of a 48K Spectrum, which loads games from tape without any problems. I am not having great success with games downloaded from the…

    ... a ?scope. The tape derived signal has the nice smooth ?sine ...
    Trevi Trevi June 2013 Hardware
  • Spectrum +2(grey) rf problem not tuning inHi lads, first of all a quick intro. Im a speccy enthusiast in Ireland, had my first speccy when i was seven in 1987(grey +2). Eventually it got repl…

    ... lock on to a clear signal. My theory is that the ... unit isnt emitting a strong signal? Has anyone had this problem ... ll give a strong enough signal.

    Any experiences? It ...
    da_hambo da_hambo June 2013 Sinclair Miscellaneous
  • Microdrive Serial ProtocolGentlemen, I've been dreaming for a long time to develop a Microdrive emulator, where an SD card loaded with .MDR cartridge images can be accessed t…

    ... on the edge of the signal and a given time from ...
    Falco-F8L Falco-F8L June 2013 Hardware
  • Commodore 1702 NTSC to PAL modIs it possible to mod a Commodore 1702 monitor to accept PAL colors? I can get it to sync with the 50hz signal in black & white by adjusting V-Hold. …

    ... to sync with the 50hz signal in black & white by ...
    Zii-Ex Zii-Ex July 2013 Hardware
  • Issue 4A repair attemptI think I need some help. I have a nice Issue 4A main board here, which does not give out any video signal. I checked some voltages (the ones that se…

    ... not give out any video signal. I checked some voltages (the ... could it cause the video signal to be missing?

    If no signal was present, snow wouldn?t ...
    schombi schombi July 2013 Hardware
  • Video capture from spectrumI got this usb video capture device from maplin to try and record some clips of programs running on my 48k spectrum. [url]http://www.maplin.co.uk/us…

    ... /> It won't detect the signal from the speccy though. I ... speccys none standard vertical sync signal.

    Anyone got this ...
    Basher Basher July 2013 Sinclair Miscellaneous
  • Hardware description - BETA DISK interfaceExist more versions and clones of BETA DISK interface. Beta disk 48, beta disk 128, brasilian clones of beta disk 48, russian clones of beta disk 128…

    ... on throught connector new modified signal [B][COLOR="Red"]/IORQ'[/COLOR ... ports are visible and new signal [B][COLOR="Red"]/IORQ'[/COLOR ...
    velesoft velesoft August 2013 Hardware
  • ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…

    ... would have an acceptable video signal. The TEA2000 pins 1.3 ... pin 6 is outputting a signal.... Strange. I thought without it ...
    DenisM DenisM August 2013 Hardware
  • MGT MOUSE - exist really ?I read disassembly of +D rom/ram code and from address #2249 is routine for read MGT MOUSE ports. I can't find any info about "MGT MOUSE". Exist real…

    ... /> 227A RET NZ Return to signal mouse.
    227B BIT 3 ... OUT (C),D Give original signal to mouse.
    228D RET ...
    velesoft velesoft August 2013 Hardware
  • ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…

    ... with the ZX Spectrum clock signal.
    With the original ... +2 which processes the clock signal, very likely to improve that ... toastrack[/U]
    The clock signal on the edge connector comes ... /> This gives a perfect clock signal by default:

    [IMG ...
    bverstee bverstee September 2013 Hardware
  • RF Modulator, not Astec UM1233While repairing a +2A board (D4 burnt out, so the WAIT signal from the gate array didn't reach the CPU and hence, the CPU was running full speed even…

    ... burnt out, so the WAIT signal from the gate array didn ...
    mcleod_ideafix mcleod_ideafix September 2013 Hardware
  • Diag rom works cartridge on +2A/+2B/+3I'm not sure anyone has tested this before: using the diag rom (Paul Farrows) on a +2A/+2B/+3. I had a +2A with a problem, so I wanted to use the di…

    ... 2 only uses the /CSROM signal, not /ROM1 and /ROM2 on ... around, which put the /ROMCS signal on both /ROM1 and /ROM2 ...
    bverstee bverstee September 2013 Hardware
  • Understanding DRAMI think I am going slightly mad. My hardware knowledge has got more rusty than it should have done, and I am going to have to turn to the experts to…

    ... allows us to switch which signal is placed on the AR ...
    ramsrc ramsrc September 2013 Hardware
  • Spectrum +2 Cable Nightmare -TTL-Composite-RGB ???Just got myself a Spectrum+2 Grey model with rgb scart cable The system works great on my livingroom lcd with the supplied cable, so good news here …

    ... seems to be a composite signal on pin 1 - Tried no ...
    TomVS TomVS September 2013 Hardware
  • Formant synthesis on the AY-3-8910I was idly pondering ways of getting interesting sounds out of the AY chip, and it occurred to me the envelope system might be useful for formant syn…

    ... does need a lot of signal analysis, but software packages already ...
    GoingDigital GoingDigital September 2013 Development
  • Help with potentially broken ZX Spectrum+Hi guys, I'm new to collecting Spectrum consoles and recently purchased a +2, +3 and + model. The + model I seem to be having trouble with in gettin…

    ... TV, it would find a signal but it would be in ... block. However, this achieves no signal at all

    I ...
    Lanithro Lanithro October 2013 Hardware
  • Video problem on grey +2I have a bad video problem on grey +2. The computer is in a poor shape, but the major problem is with the video. With a (known good) SCART cable I ca…

    ... . From time to time the signal disappears completely and comes back ...
    schombi schombi October 2013 Hardware
  • ZX48 svideo modI have modded a ZX48 to have svideo output. The end of C65 that goes to TR2 (its an Issue 2 zx 48 ) has been lifted to get Chroma. Luma is taken fro…

    ... is taken from where video signal is feed into the rf ... from the emitters are the signal take and fed to the ...
    Johan1973 Johan1973 October 2013 Hardware
  • One more grey +2 with video problemsI guess I need your help again to hopefully be able to do some proper troubleshooting myself one day. Here I have a grey +2, which could be a bottom…

    ... far, so good, but no signal at all. Neither on the ...
    schombi schombi October 2013 Hardware
  • eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …

    ... use for the RGB switching signal by using the composite SYNC ... it's driving the blanking signal, it's down to nearer ...
    Spirantho Spirantho October 2013 Hardware
  • Faulty grey +2, or not?While I?m still fighting with two to three grey +2 computers, which doesn?t give a video signal, I received another grey +2, which acts very strangel…

    ... doesn?t give a video signal, I received another grey +2 ...
    schombi schombi November 2013 Hardware
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