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<1…891011121314…34>
  • I/O on the Speccy - ideas/help wanted!I'd like an interface for the Spectrum that can control and monitor other items. I have a task in mind that would require: A: 4xbinary inputs (as in…

    ... drove relays (with a protecting diode of course).

    the ...
    guesser guesser July 2008 Hardware
  • I/O on the Speccy - ideas/help wanted!I'd like an interface for the Spectrum that can control and monitor other items. I have a task in mind that would require: A: 4xbinary inputs (as in…

    ... relays even with the snubber diode, so it's a good ...
    Winston Winston July 2008 Hardware
  • I/O on the Speccy - ideas/help wanted!I'd like an interface for the Spectrum that can control and monitor other items. I have a task in mind that would require: A: 4xbinary inputs (as in…

    ... relays even with the snubber diode, so it's a good ...
    guesser guesser July 2008 Hardware
  • FUSE on the PSP!Great news for us Speccy fans who chose the PSP over the Nintendo DS, only to find the PSP was sadly rather neglected in the Spectrum emulator area …

    ... a working firmware for the Harlequin SE.[/QUOTE]

    You ...
    JamesW JamesW July 2008 Emulators
  • FUSE on the PSP!Great news for us Speccy fans who chose the PSP over the Nintendo DS, only to find the PSP was sadly rather neglected in the Spectrum emulator area …

    ... a working firmware for the Harlequin SE.[/QUOTE]

    No ...
    Winston Winston July 2008 Emulators
  • Channels and streamsSo I've put some thought into channels and streams, and read the dead (and presumably rotting corpse) of the CSS FAQ which contains some information …

    ... ) look into writing support for Harlequin, Residos etc.

    It ...
    BloodBaz BloodBaz July 2008 Development
  • Channels and streamsSo I've put some thought into channels and streams, and read the dead (and presumably rotting corpse) of the CSS FAQ which contains some information …

    ... ) look into writing support for Harlequin, Residos etc.
    [/quote]

    The Harlequin can be done a bit ...
    Winston Winston July 2008 Development
  • Running TZX off an IDE drive? Or streaming from a NAS?Hello. I know about the DivIDE project, and about the ZX Ethernet project, but not how far they've come or what they can do. So: 1. If I have a squ…

    ... desk ;-)
    Part of the harlequin TNG !
    It runs on ...
    csmith csmith September 2008 Hardware
  • The definitive Spectrum project??We know that the Spectrum has been put almost to its limits after all these years of life, but I would like to know which would be the definitive pro…

    ... might be put off. The Harlequin is shaping up as just ...
    NickH NickH September 2008 Games
  • Issue 2 Board - CPU 'Patch'I've been wondering why my issue 2 board has been kicking out this signal when powered up... [IMG]http://www.drumfu.com/ResizedDuffIssue2.jpg[/IMG] …

    ... either a transistor (TR6) or diode/resistor modification (see Issue 2 ...
    jp jp September 2008 Hardware
  • Interlace demoSorry to reference another thread like this, but in the thread: [url]http://www.worldofspectrum.org/forums/showthread.php?p=313428#post313428[/url] …

    ... I wonder if csmith's Harlequin shows this properly :-)
    Winston Winston November 2008 Sinclair Miscellaneous
  • Interlace demoSorry to reference another thread like this, but in the thread: [url]http://www.worldofspectrum.org/forums/showthread.php?p=313428#post313428[/url] …

    The pixels are different widths, [B]sometimes[/B].... ;-)

    Last month I documented this "feature" in my book (which is coming along nicely), but I didn't expect that it would actually be [B]visible[/B]! So thanks guys!

    It is to do ...
    csmith csmith November 2008 Sinclair Miscellaneous
  • what were the things the Speccy architecture was good for?I don't know a hell of a lot about all the different computers hardware and I wanted to know if the way the Spectrum was built lent itself to certain…

    ... screen memory, based on the Harlequin CPLD ULA...
    Winston Winston November 2008 Sinclair Miscellaneous
  • CSS Wales Winter Meet 2008Csmith, Gasman and I attended.

    ... /> Another chance to see the Harlequin clone in action
    More ...
    Scottie_uk Scottie_uk November 2008 Sinclair Miscellaneous
  • Difference in emulator screen sizes and coloursSeeing as Greencard's gone out drinking... I've done a comparison between Spectaculator and ZXSpin. ZXSpin's full screen with border is taller than S…

    ... him? His work with the Harlequin display might give us a ...
    Dunny Dunny December 2008 Emulators
  • Difference in emulator screen sizes and coloursSeeing as Greencard's gone out drinking... I've done a comparison between Spectaculator and ZXSpin. ZXSpin's full screen with border is taller than S…

    ... him? His work with the Harlequin display might give us a ...
    Vertigo Vertigo December 2008 Emulators
  • Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…

    ... />
    I would use a diode instead of R71 to avoid ...
    ingo ingo January 2009 Hardware
  • 128k heat sink - ULA problems and a hintHello, I had two ZX Spectrum 128k with a similar behaviour. One item worked only a short time after switching on and then there were increasing RAM …

    ... usefull to add a suppressor diode BZW06-5V8 ( [url]http://www ...
    ingo ingo January 2009 Hardware
  • IN 255 behaviour not emulated in Spectaculator and ZXSpinI'm not speaking about "normal" IN 255 behaviour. All of you know what I'm taking about: IN 255 can be used to "read" screen data as it's retrieved f…

    ... and ZXSpin may follow the Harlequin design, so I assume this ... also happens with Harlequin. May Chris check this, please ...
    Winston Winston January 2009 Hardware
  • ZXCF conundrumsBefore I start spending time prodding my ZXCF, I ought to ask... Anyone else have problems with the ZXCF losing its memory between power cycles? I'v…

    Don't own a ZXCF, but the only diagram at hand (v.1.2) says there is
    also 1K in series with battery and diode.
    roko roko January 2009 Hardware
  • ZXCF conundrumsBefore I start spending time prodding my ZXCF, I ought to ask... Anyone else have problems with the ZXCF losing its memory between power cycles? I'v…

    ... , presumably that's just a diode drop's worth). However, I ... doing?[/QUOTE]

    Replace diode with jumper... You will have ...
    zboskovi zboskovi January 2009 Hardware
  • MultichromeIt turns out that multichrome, and other screen modes, are emulated in Fuse and Eightyone via ZX Spectrum SE emulation (which is similar to the TC214…

    ... could be added to the Harlequin.[/QUOTE]

    This graphic ...
    velesoft velesoft January 2009 Development
  • 25 years with the SpectrumTo paraphrase JFK, ask not what your Spectrum can do for you, but what you can do for your Spectrum. Well I've done quite a bit since I joined the sc…

    ... Spectrum SE compatibility to the Harlequin
    * Contributed routines from SE ...
    Jumping Stack Jumping Stack February 2009 Sinclair Miscellaneous
  • Keys don't work even with new membrane, HELP!Hi folks. I have a 1983 48k Zx Spectrum. It powers up fine, but none of the keys respond. I have tried fitting a new keyboard membrane from rwap, but…

    ... Note there is a diode between each KB2 pin and ... their continuity tester with a diode tester, and don't ... also check continuity from the diode to the ULA (you' ... ll need to get the diode number off the schematic) ... joint has failed on the diode, but this is unlikely. ...
    Winston Winston February 2009 Hardware
  • New Spectrum Computer DevelopmentHey does anyone know of any decent new Spectrum clones being developed? I find it amazing how Zilog still produce a Z80 backwards compatible chip (an…

    ... into mass production is the Harlequin.[/QUOTE]

    Economy of ...
    Winston Winston February 2009 Hardware
  • Build your own Pentagon 1024SLAlexey aka KingOfEvil was so kind to give me an english manual for the Pentagon with most (except for the floppy controller) chips adapted to "wester…

    ... drive again (turned out a diode blew up). Also tested the ...
    Shockwav3 Shockwav3 February 2009 Hardware
  • Issue 2 Spectrum overheating keyboard membraneI think I have an issue 2 ZX Spectrum. I don't want to take it apart again as I had problems replacing the keyboard membrane. With Interface 1 conne…

    ... a 1N5401 3A 100V rectifier diode in series with the input ...
    DEATH DEATH February 2009 Hardware
  • Getting audio from Currah uSpeechHi! I've just got a Currah uSpeech, it's working (I have the copyright message on top of the screen above the (c) 1982...) but I'm in Argentina, and…

    ... with Speccies HF over a diode.
    The mini-plug indeed ...
    roko roko February 2009 Hardware
  • issue 6a faultyHi All I got issue 6a pcb from ebay with status faulty pcb had bad voltages when I power up I changed tr4 ztx650 and all voltages got back on ic6 I h…

    ... notice you're running in diode test mode rather than ohmeter ...
    Phu Phu March 2009 Hardware
  • issue 6a faultyHi All I got issue 6a pcb from ebay with status faulty pcb had bad voltages when I power up I changed tr4 ztx650 and all voltages got back on ic6 I h…

    ... notice you're running in diode test mode rather than ohmeter ...
    gorski gorski March 2009 Hardware
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  • I am currently watching.....
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