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  • Spectrum Analog interfaceHello Spectrum addicts, Feels good to join you :) I'm trying to build an analog joystick interface for our beloved machine. I've set up a page here:…

    ... some discrete components for address decoding. Current chip count is two ...
    mariusster mariusster April 2008 Hardware
  • Spectrum Analog interfaceHello Spectrum addicts, Feels good to join you :) I'm trying to build an analog joystick interface for our beloved machine. I've set up a page here:…

    ... afraid using diodes in address decoding like you have done will ... as an example of address decoding. You don't have to ...
    IN31 IN31 April 2008 Hardware
  • Spectrum Analog interfaceHello Spectrum addicts, Feels good to join you :) I'm trying to build an analog joystick interface for our beloved machine. I've set up a page here:…

    ... magnitude comparator for the port decoding. Simple to use, has an ... .

    On partial port decoding, I would avoid it. Back ...
    Winston Winston April 2008 Hardware
  • Spectrum Ethernet updateThis week's theme is [B]Frustration.[/B] [url]http://spectrum.alioth.net/doc/index.php/Current_events[/url] But I'm confident it will come right.

    ... unavoidable consequence of partial port decoding. I'm trying primarily not ... 32K ports thanks to partial decoding, and the memory paging for ...
    Winston Winston April 2008 Hardware
  • Spectrum Ethernet updateThis week's theme is [B]Frustration.[/B] [url]http://spectrum.alioth.net/doc/index.php/Current_events[/url] But I'm confident it will come right.

    ... unavoidable consequence of partial port decoding. I'm trying primarily not ...
    icabod icabod April 2008 Hardware
  • Spectrum Ethernet updateThis week's theme is [B]Frustration.[/B] [url]http://spectrum.alioth.net/doc/index.php/Current_events[/url] But I'm confident it will come right.

    ... extent of downstream partial port decoding.

    Edit: Just read ...
    csmith csmith April 2008 Hardware
  • +3 networkIs it possible to connect anything to the +3 with intention of using the network feature on the IF1/Disciple? Was just wondering if it was possible t…

    ... software, and someone was discussing decoding a serial mouse
    guesser guesser April 2008 Hardware
  • Jon Ritman gamesMy fave is [B]Match Day[/B]. It was one of the first Spectrum games I bought. 3D Combat Zone is a very decent 3D game.

    I'm quite fond of Combat Zone and Dimension Destructors, as I played them both a lot in the early days, but his magnum opus, is surely Head Over Heels.

    Oh, and what about Namtir Raiders on the ZX81?
    Matt_B Matt_B May 2008 Games
  • Opus Discovery 1Hello everyone . I have been a big collector of consoles over many many years . Just been clearing out my loft and i came accross several large boxes…

    ... years since I had an Opus so I can't rightly ... then attach it to the opus (Power switched off!)

    dekh dekh May 2008 Hardware
  • Opus Discovery 1 - Information?Hi World Of Spectrum users! :) I picked this up today: [IMG]http://img.photobucket.com/albums/v366/cauterize4/ZX1Custom.jpg[/IMG] Obviously its th…

    ... with a hole on the Opus, or so I read somewhere ...
    Womble Womble May 2008 Hardware
  • On the subject of reverse engineeringIn this world of emulated hardware, there are Specchums out there who would like to put their hands on that peripheral they never had, that add-on th…

    ... to add a little more decoding for the /RAMCS and also ...
    zxbruno zxbruno May 2008 Hardware
  • Problem with ZX-ExplorerHope this is the right place to post here in emulators. Installed ZX Explorer, installed the rainbow-WOS DAT files and imported the ready to use MDB.…

    ... problems appear on one file decoding the file date. I tried ...
    clausjahn clausjahn May 2008 Emulators
  • CPDWrite/other floppy writers and DosboxHi, I have Windows XP+SP2 on my PC, of course programs like CPDWrite and other floppy disk writer programs doesn't work. As someone told in other thr…

    ...
    +3 disks, +D/MGT, Opus, and other disks. You can ...
    Andrew Barker Andrew Barker June 2008 Sinclair Miscellaneous
  • "Upgraded" broadbandTo cut a long story short, I have just had my broadband speed upgraded from 1meg to 5meg (it was free). Having just spent over an hour setting up the…

    ... the electronics inside the box decoding the incoming stream. Doesn't ...
    beanz beanz June 2008 Chit chat
  • 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…

    ... (or anything else) to the decoding and playback?[/list]

    robert@fm robert@fm June 2008 Chit chat
  • ZXDS 0.8.0 beta 1Once again a [URL="http://zxds.raxoft.cz/"]new version[/URL] is out. Apart from adding TR-DOS and few little features I haven't touched anything else…

    Jack the Nipper II has a known problem with decoding of Kempston ports (clone interfaces behaved differently from the real one. JtN II assumes decoding, and ZXDS uses the other).
    Philip Kendall Philip Kendall June 2008 Emulators
  • ZXDS 0.8.0 beta 1Once again a [URL="http://zxds.raxoft.cz/"]new version[/URL] is out. Apart from adding TR-DOS and few little features I haven't touched anything else…

    Hmm, I thought that changing the port decoding to just A5 have had fixed that, but obviously it didn't. I will check that one again... A kind of [URL="http://www.worldofspectrum.org/forums/showthread.php?p=228660#post228660"]deja vous[/URL], really :)
    Patrik Rak Patrik Rak June 2008 Emulators
  • RAM paging and port usageDear users and developers, I'm just trying to find some detail information about RAM paging on the Spectrum 128 and later models, especially those a…

    ... 're ignoring port decoding again (note that the decoding of "port 0x7ffd ... 1 of "port 0x1ffd" (port decoding again), the TR-DOS ROM ...
    Philip Kendall Philip Kendall June 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…

    ... a combination of only partially decoding, and peripherals that hog addresses ...
    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…

    ... /> 2. A chip for port decoding. If you are happy with ... partial port decoding, just use a 74HCT138, which ... . If you need full port decoding, you can use a 74HCT138 ... the Kempston uses for port decoding... a 74HCT138! (Actually 74LS138, just ...
    Winston Winston July 2008 Hardware
  • Selling my soul...my entire speccy software collection up for sale !Hi guys the time has come, must be at a some stage in my life where I need to move on from things I have hung on to over the years. Yes I'm thinking…

    ... for ?50, some hardware like Opus discovery, MGT PlusD, IF1 and ...
    dekh dekh July 2008 Sales
  • Joysticks on Amstrad boardsNever mind the oddly wired connectors for this post... as we all know, the joystick ports on the +2 and +3 are Sinclair Interface II equivalents. Is…

    ... good.

    On the Opus, the joystick port was purely ...
    emleymoor emleymoor July 2008 Hardware
  • .tzx files into +2AIs there a way to play .tzx files from an external source into a ZX Spectrum +2A without using it's "handy" built in tape deck? THere is no "tape in…

    ... built-in player of Directory Opus, when it comes to how ...
    Pilsener Pilsener July 2008 Hardware
  • Problem with Discovery OpusI've just got a Discovery Opus, but it seems to be faulty. When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", …

    ... />
    When you remove the Opus (with the Spectrum turned off ...
    Jimmy Jimmy July 2008 Hardware
  • Problem with Discovery OpusI've just got a Discovery Opus, but it seems to be faulty. When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", …

    I have tried with 2 different 48 k Speccys. Issue 3 and Issue 4.

    The keys works again after unplugging the Opus (power turned off before connecting).

    The keys also works when the Speccy is used with Interface 1.
    Pilsener Pilsener July 2008 Hardware
  • Problem with Discovery OpusI've just got a Discovery Opus, but it seems to be faulty. When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", …

    ... take the case off the Opus and have a look. Does ... drive (so it's an Opus with no drives attached) and ... " type joystick interface into the Opus's expansion port, does moving ...
    Jimmy Jimmy July 2008 Hardware
  • Problem with Discovery OpusI've just got a Discovery Opus, but it seems to be faulty. When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", …

    ... /> We'll assume that the opus board isn't completely shot ... a 6502/BBC Micro mindset (Opus were well known for BBC ...
    Phu Phu August 2008 Hardware
  • Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…

    ... no loading screen. Needs the Opus Discovery Disk system. This runs ... RealSpectrum provided you have an Opus ROM. (you can get such ... ROM page). Works fine with opus-12.rom.

    [b ...
    Digital Prawn Digital Prawn August 2008 Games
  • Problem with Discovery OpusI've just got a Discovery Opus, but it seems to be faulty. When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", …

    ... way of testing if the Opus communicates with the Speccy at ...
    Pilsener Pilsener August 2008 Hardware
  • Problem with Discovery OpusI've just got a Discovery Opus, but it seems to be faulty. When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", …

    ... I have tried with the Opus, as I didn't get ... a working M1 with the Opus, it won't boot. I ...
    Pilsener Pilsener August 2008 Hardware
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Latest Posts

  • European Software Titles with an English version
    harriusherbartio on 12:06PM
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21

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