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<1…13141516171819…34>
  • Synth SpeechHi All, Can anyone recommend an easy way to get a *subroutine that I can call in asm that will give a decent sounding phrase? I've had a look at a …

    ... + AY) and video output (3-bit resolution per colour component). It's ...
    mcleod_ideafix mcleod_ideafix July 2012 Development
  • WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…

    ... things I appreciate the extra video output possibilities. The AD724 would ... ROM. The other thru-hole component is the 4.43MHz crystal ... 't run into any tall component in the nearby places from ...
    mcleod_ideafix mcleod_ideafix August 2012 Hardware
  • PLEASE HELP!! DEAD SPECTRUM!!Sad News!!! I have a spectrum issue 5 board and I'd done the general composite mod which was great and it worked with a divIDE plus (RWAP) and esxDO…

    ... any part of your composite video circuit touches the metal case ... the board is clean, the component lead is clean, the tip ...
    1024MAK 1024MAK September 2012 Hardware
  • Is the 128K heatsink's TV out modulator kit repairable?I have a 128K+ Spectrum that is working absolutely fine and is giving out the perfect picture from its RGB out socket (with the right cable ofcourse)…

    ... in the holes (vcc and video in).

    Now something ... and i touched vcc and video cables trying to make them ... smoke came from and no component I can see seems burnt ...
    gtsamour gtsamour January 2013 Hardware
  • Video output questions...Two questions... [QUOTE]1. The yellow and blue colours seem out of phase on the display. Is this normal for an RF connection to the TV/monitor?[/QUO…

    ... delay line. This is a component which, as the name suggests ... . The input side takes your video signal and turns it into ...
    guesser guesser February 2013 Hardware
  • WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…

    ... new other) and recorded a video from the composite output of ... used 8 bits per colour component, and we have, at most ... , 3 bits per colour component. That means that some gray ... or brown.

    The video:
    [youtube]Yw4OgNdZEb0[/youtube]
    mcleod_ideafix mcleod_ideafix March 2013 Hardware
  • 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…

    ... .com/index.php/interface-de-video-compatible-msx-para-zx-spectrum ... resist and soldering a new component on. Easy for you and ...
    guesser guesser 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..…

    ... happens to the video signal is that any DC component is removed ...
    guesser guesser 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..…

    Indeed the video coming from Tr2 over R53 ... that at R53 the DC 'component' = 2V. I think I ment ... down from that level, and video starts (going up) from that ... .) determines the brightness of the video. ("consistent black")
    The size ...
    roko roko March 2013 Hardware
  • Black and white composite displayJust pulled out an old CRT display and tried my trusty rubber key on it (comp modded), im using one of those scart adapters for an xbox to accept the…

    ... I'm completely misunderstanding composite video, or your statement about the ... . (I suspect the lowest frequency component must be 50Hz but I ...
    guesser guesser 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.…

    ... decided to do the composite video mod on my 48k.
    Video IC, etc..)

    Wondering ... remove any lingering DC component of the video signal, however it's ...
    The_Bert The_Bert 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.…

    ... . I have replaced every active component on it, ula included, and ... the output circuit for the video signal. Since it is only ...
    Johan1973 Johan1973 April 2013 Hardware
  • MSN ProblemAs users of Messenger Live will know, it has now moved over to Skype, I tried to log into my account this morning and it said that I was unable to as…

    ... designed for video/calls/VOIP etc and it's IM component is ...
    BloodBaz BloodBaz May 2013 Chit chat
  • MSN ProblemAs users of Messenger Live will know, it has now moved over to Skype, I tried to log into my account this morning and it said that I was unable to as…

    ... designed for video/calls/VOIP etc and it's IM component is ...
    zx1 zx1 May 2013 Chit chat
  • Issue 3 board... How to resurrect?Dear Everyone, Now I have a working 48k Issue 3, a sort of working Speccy+ (still having problems with the keyboard, more of that in another post) a…

    ... (as I did in the video) and with the power on ... viewed from above with the component leads facing you) of the ...
    Zorn Zorn May 2013 Hardware
  • The Official Crap Games Competition 2013 Thread!Just to announce that the 2013 CGC is OPEN! [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/cgctitle2_zps77591934.jpg[/IMG] And for th…

    ... is transmitted in a PAL video signal.

    At a ... white (luminance) and the colour component (modulated chrominance). So by rapidly ...
    guesser guesser June 2013 Games
  • 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…

    ... clock is running and the video circuitry intact, its usual to ... see whether there is a video output from the ULA. If ... -or-less component by component through the stages of the video combining/buffering ...
    Zorn Zorn July 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. …

    ... when it comes to analog video interfaces. My experience in interfacing ... devices using vga and scart/component signals is that they fail ... example we have the composite video signals from the standard mods ...
    pmsr pmsr July 2013 Hardware
  • Two more faulty onesCould I get your opinion on these two faults, please? Understanding these two cases would be very beneficial for my ZX education. Thanks! - A Spectr…

    ... of the colour burst component of the video signal, improving compatibility with ...
    balford balford November 2013 Hardware
  • +2A/+3 composite modHi, Anyone has experience doing a composite output mod for +2A/+3? (yes.. I also have a working RGB) A while ago I did one based on the instruction…

    ... of the black/grey/white component) and the colour information.
    video circuitry has to separate the ... the red, green and blue video signals, and the synchronisation signals ... .

    So a composite video signal is better than a ...
    1024MAK 1024MAK December 2013 Hardware
  • ZX Spectrum 128K pink screen!?I have a problem with my ZX Spectrum 128K, when I connect one off those Retro Computer Shack RGB scart cable. I get a the start up screen, but the wh…

    ... colour when using the RGB video out socket, then I suspect ... the Spectrum socket or a component in the Spectrum that is ...
    1024MAK 1024MAK March 2014 Hardware
  • ZX Spectrum 128K pink screen!?I have a problem with my ZX Spectrum 128K, when I connect one off those Retro Computer Shack RGB scart cable. I get a the start up screen, but the wh…

    ... colour when using the RGB video out socket, then I suspect ... the Spectrum socket or a component in the Spectrum that is ...
    Reinier Reinier March 2014 Hardware
  • Grey +2 DiedHi all, Thrashing my +2 playing Mugsy last night and it did this... [URL="https://m.flickr.com/photos/83515822@N05/13012551693/lightbox/"]https://m…

    ... fact that you have a video display means that the +12v ... the only component to use it is the TEA2000 composite video encoder ...
    balford balford March 2014 Hardware
  • Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…

    ... be possible to get a component YC-signal.)
    What do ... ? Is there any (even destroyed) video signal present? What monitor / TV ...
    ingo ingo April 2014 Hardware
  • ZX Spectrum Clock Signal Restorer Circuit[SIZE=5][U][B]ZX Spectrum Clock Signal Restorer Circuit[/B][/U][/SIZE] The circuit below is an experimental circuit. It has only been "tested" using…

    ... lines of how negative going video sync's can be 'taken ... they were, to the amplified video part.
    I have no ... the brainwave that the DC component could be 'restored' at any ...
    roko roko June 2014 Hardware
  • displaying all memory activity in a screenDunno why I keep thinking about this, but here goes Is it easy enough to add a screen to an emulator that shows every memory address' activity.... …

    ... each byte as the Green component of the pixel, and the ... 'll try and upload a video later.


    B
    balford balford June 2014 Emulators
  • displaying all memory activity in a screenDunno why I keep thinking about this, but here goes Is it easy enough to add a screen to an emulator that shows every memory address' activity.... …

    ... each byte as the Green component of the pixel, and the ... 'll try and upload a video later.


    B ...
    rich_chandler rich_chandler June 2014 Emulators
  • displaying all memory activity in a screenDunno why I keep thinking about this, but here goes Is it easy enough to add a screen to an emulator that shows every memory address' activity.... …

    ... each byte as the Green component of the pixel, and the ... 'll try and upload a video later.


    B ...
    polomint polomint June 2014 Emulators
  • New Youtube Channel - ChinnyVisionIt's bugged me for a while that many of the channels on Youtube for old games only feature emulated footage, or if they do feature original hardware …

    ... film a CRT with a video camera has given me nothing ... />
    So RGB or S-Video signals go into a Panasonic ... outputs them as 50p component. The conversion to component is as close ...
    chinnyhill10 chinnyhill10 August 2014 Announcements
  • New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…

    ... world from messing up the video signal.

    To ... at baseband (composite, s-video and RGB video) frequencies, where it is ... ever get involved in sending video more than several hundred ...
    Each part (or component) of the video signal must be correct ...
    1024MAK 1024MAK September 2014 Hardware
<1…13141516171819…34>

Latest Posts

  • I am currently watching.....
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