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<1…11121314151617…34>
  • Spectrum +2A Keyboard not workingHi - I tested my Spectrum the 1st time in years yesterday and I got the sound the computer makes when you hold down a key. I thought it must be just …

    ... all the keys off the keyboard. I disconnected and reconnected the ... keyboard ribbon cable, but still nothing.< ... have yet to clean the keyboard membrane, but failing that I ... could always buy a new keyboard, but no one seems to ...
    mutant mutant January 2021 Hardware
  • Keyboard membrane pleaseI would like a keyboard membrane for Spectrum 48k with rubber keys, please.

    I would like a keyboard membrane for Spectrum 48k with rubber keys, please.
    Lamb Lamb January 2021 Wanted
  • Amstrad Spectrum Keyboard Membranes.Who sells replacement keyboard membranes for the +2a, +2b and +3? Thanks David

    Who sells replacement keyboard membranes for the +2a, +2b and +3?

    Thanks
    David
    cj7hawk cj7hawk November 2021 Hardware
  • QAOP emulator -local version keyboard problems after a whileI have tried QAOP from torinak site and it works very good. My problem is that I need a local version of it. I used the one from zx-spectrum-instap…

    ... but after a while the keyboard errors return.
    Any ideas ...
    firelord firelord November 2021 Emulators
  • Keyboard shorting out on RF modulator.OK, this is the mos unusual fault I've diagnosed this year. A keyboard with a new membrane was failing sometimes, and preventing the computer from go…

    ... 've diagnosed this year. A keyboard with a new membrane was ... />
    So I removed the keyboard cover and rubber and checked ... on the back of the keyboard 5w ribbon. Ran a multimeter ... , and simple mechanical wear, this keyboard failed due to wearing through ...
    cj7hawk cj7hawk December 2021 Hardware
  • Emulators for Recreated ZX Spectrum Bluetooth KeyboardI know Fuse can use the Recreated ZX Spectrum keyboard but are there other emulators than can do this? I swear there was a newer emulator, maybe in …

    I know Fuse can use the Recreated ZX Spectrum keyboard but are there other emulators than can do this? I swear there was a newer emulator, maybe in the last couple of years that could also do it. Can't for the life of me remember what it was though.
    Klepto Klepto January 2022 Emulators
  • Speccy NetworkingNot sure if this post should be here or under development so apologies in advance. Has any body 'networked' a number of spectrums. If so what did y…

    ... level of let's say keyboard access? That is, can two ... games on the real thing. "Keyboard-networking" would remedy that problem ... . Especially if you disable the matrix effect. Somebody else besides me ...
    Erlstoned Erlstoned November 2004 Sinclair Miscellaneous
  • Spectrum programmingI have a Spectrum+ at home. I tried to write some programs in BASIC (IIRC i wrote a breakout clone in which you had to hit those spider-like characte…

    ... you find how to read keyboard and use beeper.


    The keyboard is a matrix of 8 rows and ...

    You read the keyboard like this
    LD BC ... BIN 11111101 ) C = 254 for keyboard
    IN A,(C)
    Dr BEEP Dr BEEP January 2005 Development
  • Full size keyboardWhat way does the "Spectrum Harware Manual" recommend doing this? Thanks in advance for your help.

    ... would say "Make a matrix formed keyboard with 40 keys and follow ... do I connect a PC keyboard to the Spectrum?
    I ... would say "Use an AT-keyboard interface"

    I know ...
    Dr BEEP Dr BEEP May 2005 Sinclair Miscellaneous
  • How does a Speccy keyboard work?Hi again. I saw a post a while ago about the Speccy keyboard. I think it referenced an old magazine article. I have no idea how a keyboard membran…

    Yes,

    when you make a keyboard like this matrix you can connect it directly to the Spectrum.
    Dr BEEP Dr BEEP December 2005 Hardware
  • 2-player games common on the Speccy, rare on the PC, keyboard as the cause?Hello everyone Does the Spectrum have an edge over semi-modern (from the 90's) computers, when it comes down to keyboard input speed? I've always …

    ... nothing wrong with the PC keyboard when it comes to simultaneous ... . AFAIK, both keyboards suffer from matrix effects so there is a ...
    GOC GOC July 2006 Hardware
  • The New SPIN releases ThreadOk, as I'm now working on SPIN again full-time, and as a very wise man once said, "Release Early, Release Often"[1]... I'm going to release new SPIN…

    ... able to remap the whole keyboard. So 'm' could be 'q ... simple. Take apart a USB keyboard and an old Spectrum, and ... hook up the keyboard circuit to the Spectrum's ... a super GUI-based redefining matrix screen, an INI file would ...
    Stevatron Stevatron July 2006 Emulators
  • The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…

    ... the Beeb had the nice keyboard and was more expandable, but ... to those days, a dot matrix cost £300 too, and the ...
    Frogmelon Frogmelon August 2006 Sinclair Miscellaneous
  • KEYBOARD PROJECTYes I know this should be in the hardware section (sorry), but just recently there was supposed to be some dude making a new keyboard interface. If y…

    Looking more on WEB about keyboard replacements... Sintech has some expensive ( ... over 50 Euro) PS/2 keyboard adapters. However, there is no ... as real membrane (or key matrix) in all multi-row/column ...
    piters piters October 2006 Hardware
  • ZX spectrum as a PC usb keyboard?One of my commodore brained friend showed me an interface which converts the keyboard of c64 to a standard usb keyboard. I quickly searched this for…

    ... just a 5x8 switch matrix, each key a switch ... investigating if a USB keyboard can be modified in ... some interfacing + a Spectrum keyboard.
    When you do ... , tho), but the keyboard used is a standard ... accomodate another kind of keyboard, but I really don ...
    Marcelo Marcelo December 2006 Hardware
  • Spectrum Issue two problemI managed to bring back to life a issue two spectrum (at least the power supply cirquit). The screen is now crystal clear (after replacing all the el…

    It's not just the keyboard membrane, it's also the ... the Speccy unplugged - the keyboard is a switch matrix - so put one ... Speccy's PCB where the keyboard connector is soldered in for ... pin-out of the Spectrum keyboard connector. That way you can ...
    Winston Winston January 2007 Hardware
  • Dead Spectrum +Hi all, I've recently dug out my old Spectrum + with the idea of repairing it. When I last looked at it, when I was much younger, I was soldering a …

    ... the keyboard membrane in any case is a simple matrix of switches ... Speccy in front of me) keyboard connectors, the other set of ... poles connects to the larger keyboard connector. So when you press ... an old membrane from the keyboard connectors will finish it off ...
    Winston Winston March 2007 Hardware
  • Problem with my speccy 48+My machine boots up but apon booting it freezes and you can see feint grey horizontal 1 pixel lines going down the screen. Is this fixable at all?

    ... , it's almost certainly the keyboard membrane.

    ... other keyboard socket. All the keyboard membrane is, is a switch matrix.< ... br />
    It's rare for the whole keyboard ... also check that the keyboard connectors have continuity to the ...
    Winston Winston April 2007 Hardware
  • How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…

    ... ROM routine for scanning the keyboard and updating the FRAMES ... the interrupts does for example keyboard scanning, but is this ... to have to read the keyboard somehow to process keystrokes. ... pressed itself -- the keyboard hw is a passive matrix and does nothing ...
    Alcoholics Anonymous Alcoholics Anonymous May 2007 Development
  • Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…

    ... pressed. Limitations of the speccy matrix keyboard I ask myself?? So that ... rightmost triplets on the ZX keyboard, as you mentioned you are ...
    Digital Prawn Digital Prawn July 2007 Development
  • Wtf??I won this NZ auction earlier this week [url]http://www.trademe.co.nz/Browse/Listing.aspx?id=116509561[/url] and have been to collect the hardware th…

    ... wise to plug in the keyboard with the power on.[/quote ... ]

    the keyboard is just a switch matrix, though. and I ... with making connections on the keyboard connectors while it's on ...
    guesser guesser October 2007 Hardware
  • Wtf??I won this NZ auction earlier this week [url]http://www.trademe.co.nz/Browse/Listing.aspx?id=116509561[/url] and have been to collect the hardware th…

    [QUOTE=guesser;218284]the keyboard is just a switch matrix, though. and I ... with making connections on the keyboard connectors while it's on ... I'd suspect shorting out matrix pins from the same socket ...
    DEATH DEATH October 2007 Hardware
  • Wtf??I won this NZ auction earlier this week [url]http://www.trademe.co.nz/Browse/Listing.aspx?id=116509561[/url] and have been to collect the hardware th…

    ... I'd suspect shorting out matrix pins from the same socket ... get round to building a keyboard for my spare board. I ...
    guesser guesser October 2007 Hardware
  • FPGA Spectrum is aliveMy FPGA Spectrum that I started to work on year ago is in 90% ready. I have fixed DDR controller so I can read from it and write to it. I've run som…

    ... input a normal PS/2 keyboard is used. I have ... FPGA to communicate with that keyboard and to resolve the true ... in virtual spectrum keyboard. I think that all matrix effects of original ... keyboard are emulated in ...
    brian-82 brian-82 November 2007 Development
  • Hardware fault - HELP!I bought a speccy 48K (rubber) on Ebay. I was delighted when it arrived. It was in PRISTINE condition, it looks brand new! However, the machine has a…

    ... />
    The membrane under the keyboard mat isn't the bit ... a 5 x 8 switch matrix, and is read using a ... makes up the full rubber keyboard.

    If, for example ...
    Winston Winston February 2008 Hardware
  • Decoding of speccy keyboardHello everyone. I face following problem with spectrum keys decoding and need some explanation. I know how to decode a single key press by reading po…

    The keyboard is basically an 8 by 5 matrix (40 keys).

    matrix above) then you can once ... ] (makes a "box" in the matrix).

    Therefore, if you ...
    BloodBaz BloodBaz April 2008 Development
  • What's wrong with 128k Spectrums...Prolly best posted here in the chit-chat section: 1. The "Delete" Key You've spent a good deal of your time working with a "dead flesh" 48k, and yo…

    ... complete, opposite side of the keyboard and put a "break" in ... matrix - could have been put on the top right of they keyboard ...
    BloodBaz BloodBaz May 2008 Chit chat
  • post your preferred 'up-down-left-right-fire' keys redefinefor me, and for some reason it was Emlyn hughes back in the day that got me attatched to this, from then on and to this day I will always redefine my…

    But QWERT(PSSST game) and 12345, ASDFG, ZXCVB control keys is impossible play on PC keyboards. PC keyboard membrane matrix is different than ZX membrane. 67890, YUIOP is OK on PC keyboards, you can test it in emulators.
    velesoft velesoft July 2008 Games
  • post your preferred 'up-down-left-right-fire' keys redefinefor me, and for some reason it was Emlyn hughes back in the day that got me attatched to this, from then on and to this day I will always redefine my…

    ... on PC keyboards. PC keyboard membrane matrix is different than ZX membrane ...
    The Starglider The Starglider July 2008 Games
  • Test your PC keyboardPlease test yout PC keyboards in ZX emulator. Searches for the appropriate keyboard for real ZX Spectrum / ZX emulator. This is keyboard tester: [url…

    ... IBM "clicky" PS/2 keyboard (the one used on PS ... new keyboards use same membrane matrix = same critical key combinations.< ... following combinations fail:
    This keyboard work absolutly perfect.
    ... too OK
    This keyboard is fantastic, only one problem ...
    velesoft velesoft August 2008 Hardware
<1…11121314151617…34>

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