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<1…17181920212223…34>
  • What causes microdrive capacity reduction ... when the microdrive is a vDrive-ZX?I've just had my Spectrum 48K and Interface 1 refurbished and have bought a vDrive-ZX. I'm finding that I cannot copy my Microdrives to the vDrive…

    ... this with writes to real microdrive cartridges I'd have just ... 't tried writing to physical microdrive cartridgess, as I need to ... the data on my existing microdrive cartridges, and don't have ... a sacrificial microdrive cartridge to test on.
    JamesYoungman JamesYoungman November 2020 Hardware
  • Electronic listings from Spectrum Shadow ROM Disassembly?I've been reading [url="https://spectrumcomputing.co.uk/index.php?cat=96&id=2000371"]Gianluca Carri's Spectrum Shadow ROM Disassembly[/url] book (Wor…

    ... "]Gianluca Carri's Spectrum Shadow ROM Disassembly[/url] book (World of ...
    JamesYoungman JamesYoungman December 2020 Development
  • If you had four roms...Just wondering if you were designing a Spectrum from scratch, and you used a 27512 EPROM, which would hold about 4 spectrum roms, what you would inst…

    ... Normal Spectrum ROM.
    2. 128K ROM.
    3. Interface 1 ROM ( and ... , simulated microdrives )
    4. Multiface ROM.

    I was ... in either microdrives, or a microdrive emulator with a SD or ... mapped over the lower 16K ROM space as well as the ...
    cj7hawk cj7hawk February 2021 Hardware
  • Microdrive logic flow.Hi all, I've finally gotten my hands on an Interface 1 and Microdrive to continue my project, and have been analyzing the Microdrive with a logic …

    ... have been analyzing the Microdrive with a logic analyzer to ... - The information on the Microdrive Companion clearly wasn't terribly ... -to-the-sinclair-zx-microdrive-and-interfaces/page/n1/ ... other issues on the Spectrum microdrive cartridges, but if anyone ...
    cj7hawk cj7hawk February 2021 Hardware
  • Microdrive Data Recovery.Hi All, So I've been working on recovering microdrive cartridge data by oversampling the magnetic traversals at 8 Msps ( approximately 100x the ma…

    ... ve been working on recovering microdrive cartridge data by oversampling ... data of all of the microdrive sectors.

    My ... question: Is there a recognized microdrive format, like .TAP ( eg, ... just the sectors in a microdrive cartridge for when stored ...
    cj7hawk cj7hawk March 2021 Hardware
  • Strange Microdrive format.Hi all, I got a new (old?) cartridge today and it's called "ArchBak" and just ran forever in my Spectrum when I did a CAT. However when I looked d…

    ... , the opposite of the normal Microdrive, as interleaves go. I haven ...
    cj7hawk cj7hawk March 2021 Hardware
  • OqtaDrive - Microdrive emulator for Spectrum & QLQuite a while ago I reported about my [url="https://worldofspectrum.org/forums/discussion/55983/yet-another-microdrive-emulator#latest"]first prototy…

    ... /forums/discussion/55983/yet-another-microdrive-emulator#latest"]first prototype for ... ://worldofspectrum.org/forums/discussion/58258/microdrive-logic-flow"]here[/url] prompted ... ://www.babbletower.net/forums/spectrum/microdrive/oqtadrive-demo.mp4"]a short ...
    xelalex xelalex May 2021 Hardware
  • Questions about microdrivesHi! Bought an Interface 1 and two microdrives along with around 10 microdrive cartridges. Installed (great but very expensive) vdrive zx into one …

    ... microdrives along with around 10 microdrive cartridges. Installed (great but ... have not even opened the IF1 yet, it seems to work ... /> 3. Anyone got a spare microdrive interconnect thingy or know where ... years but never owned an if1 and microdrives until now.
    arttu arttu May 2021 Hardware
  • Multiface 3 hacked rom?Hi, I need to transfer some games on the +3 disk drive using my MF3. I know you need to have the MF3 pluged in in order to load the games afterwa…

    ... some kind of "hacked" MF3 rom that has this lock removed ...
    gtsamour gtsamour September 2021 Hardware
  • NMI Routine and Restarts in a new 128K ROMI'm presently engaged in creating AGD 5 with the intention of making it a pair of 16K ROMs for the 128K/+2. I'm fairly sure that the vast majority o…

    ... 't supported in the original ROM 0 as the delay routine ...
    jonathan jonathan July 2022 Hardware
  • WiP Raspberry Pico Microdrive Hardware EmulatorDecided to take the plunge and learn how to program a Raspberry Pico Micro Controller and, after messing around a lot with Oqtadrive, decided to crea…

    ... a hardware emulator for the Microdrive as my first project because ...
    TomD TomD October 2022 Hardware
  • Microdrive fault.I guess some of you may know this... My microdrive has a problem: the motor starts running as soon as I plug the computer in, and won't stop! It is …

    ... of the connection (MDV and IF1), but no luck!! [img]/__forums ... anyone have a working spare microdrive they want to get rid ...
    Alessandro Tommasi Alessandro Tommasi July 2001 Sinclair Miscellaneous
  • Which expansions can I attach to a +2A?I have several peripherals that I would like to connect to a +2A: an Interface 1 with Microdrive, a +D disk interface and kempston joystick interface…

    ... and +2.

    The IF1 was intended for use with ... worked fine (even with the microdrive attached). I never tried it ... enough down to connect the IF1 to it. I would not ...
    Martin Martin March 2001 Sinclair Miscellaneous
  • Hook CodesIf you've dug into the Interface 1 this should be an easy question. I last had 'em circa 1990 while I can remember the things they did Start Motor C…

    ... the development on the first ROM, Dr Andrew Pennell assisted in ... his "master your zx
    microdrive" (1984 Edition (not 1983)) even ... Code, it's name, shadow ROM location and
    function.
    ROM routine addressed.
    33 ...
    Geoff Geoff February 2001 Sinclair Miscellaneous
  • Does anynoe has an IF1 for sale?I've never seen one, here, and now I'm crazy to try a LAN of spectrums... [img]/__forums/images/smiles/icon_smile.gif[/img] Anyone ever tried it? If…

    Well, If1 was serial+microdrive+network, If2 was
    Cartridge+joystick... Nothing to do with each other. [img]/__forums/images/smiles/icon_smile.gif[/img]

    But thank you anyway, I DID get an If1 through
    ebay...
    Alessandro Tommasi Alessandro Tommasi April 2001 Sales
  • what spec pc are you running your speccy emulator onAll them giga hertz and bytes and what do i do with it mainly...play speccy games and old arcade games.. What spec pc do you have at the moment? I up…

    ... you need a special IF1 to connect a microdrive to the +2 ...
    Alessandro Tommasi Alessandro Tommasi March 2002 Games
  • Microdrive woesHi there! Just managed to pick up a 2nd hand Microdrive and interface one... Came with an introductory program which doesn't seem to load. Since its…

    ... clean read first time so IF1 will spend upto 30 seconds ... a problem between M/Drive, IF1 and the Speccy.
    Ten ... cartridge should result in a 'Microdrive not present' report inside one ...
    JHutcheson JHutcheson March 2002 Sinclair Miscellaneous
  • Microdrive woesHi there! Just managed to pick up a 2nd hand Microdrive and interface one... Came with an introductory program which doesn't seem to load. Since its…

    ... and an unformatted microdrive will give the 'No microdrive present' report within ... at the moment with 80 microdrive cartridges but they're all ... wrote the Melbourne House Shadow ROM Disassembly.
    He also wrote ...
    Geoff Geoff March 2002 Sinclair Miscellaneous
  • Machine Code Challenge #1 ResultsWell at the stroke of midnight there were 3 entries so everybody gets to stand on the podium and the 3 Spectrum books will be going out to prizewinn…

    ... />
    These are the Sinclair Microdrive Maps.

    It was ... through the disassembly of the Microdrive ROMS on my Website that ... odd in the version 2 ROM.
    The FORMAT is pretty ... . (Not QL not version 1 ROM).
    Now on the basis ...
    Geoff Geoff July 2002 Sinclair Miscellaneous
  • Machine Code Challenge #1 ResultsWell at the stroke of midnight there were 3 entries so everybody gets to stand on the podium and the 3 Spectrum books will be going out to prizewinn…

    Some further thoughts on the Microdrive Maps.

    Although Gianluca ... modifications were made to the ROM (apart from altering timing ... ).
    I believe that ROM 3, which was never published ... improvements elsewhere to produce a ROM file for use in ...
    Geoff Geoff July 2002 Sinclair Miscellaneous
  • Solution for overwritten stack in 48k SNA filesIt has been known for quite some time now that the 48k SNA file format has one serious fault, which is described in the file formats section on the W…

    ... with it, 'cause I used microdrive or was it WAFADRIVE or ... -commands, due to a rewritten ROM. Soon I will load from ... Harddisk by just switching the ROM.

    Please try to ...
    Dr BEEP Dr BEEP October 2002 Emulators
  • Brand New Software House - Retro games wanted...Hi All, I'm looking to start a new software label for older 'retro' computer games, CRONOS software. I'm looking for people that have written games …

    ... )
    CD32 (CD-ROM)
    CDTV (CD-ROM)
    Dragon 32/64 ... COLOR (tape)
    3DO (CD-ROM)
    Oric 1 (tape or ... (CD ROM)
    Spectrum (tape or 3" disk or Microdrive)
    Texas ...
    chaosmongers chaosmongers March 2003 Games
  • Microdrive Mayhem!I'm wandering if anyone can help me. I recently acquired an Interface 1 plus a couple of Microdrives. But I can't get them to work properly. The Int…

    ... discovered a couple of the Microdrive utilities on this site ... looking at the Interface 1 ROM disassembly (version 2) on ... the screen goes blank. The microdrive then just loops endlessly". After ... read back something from the Microdrive? Therefore, if there is ...
    monty.mole monty.mole February 2004 Sinclair Miscellaneous
  • Is Spectaculator Worth Registering?I normally use RealSpectrum and was thing of trying another emulator. What are the pro and ons of Spectacultor? Does it support disk image files?

    The main reason I use RealSpectrum is for the RealDisk interface.

    I can directly access my Plus D disks.

    Plus there is every disk interface emulated (icluding MB02 and Microdrive(IF1)
    DodgyGeezer DodgyGeezer April 2004 Emulators
  • Elite 3Ok..being a total comp dumbo - with what emulators can i use Elite 3 from the WOS archive?

    ... to 128K ROM)

    2) Control> Interface & Microdrive > ...
    Arjun Arjun April 2004 Games
  • New vault updateWell, it's interesting to see how totally underwhelmed most people are about the new update! Or are they still busy downloading everything ;) The on…

    ...

    3. All the IF1 ROM images

    How many ...
    Dunny Dunny August 2004 MIA/STP/SDP
  • AmericaI've been wondering, was the Spectrum released in America? Was it popular? Are there Spectrum games that were made in America? There must be a few A…

    ... be paged out (as the IF1, +D, Multiface do) whereas ... patches, the result being the ROM supported 48K Spectrum basic + ... points different from the 48K ROM; this causes the celebrated ... mentioned everywhere. The 2068 ROM has been investigated to determine ...
    Alcoholics Anonymous Alcoholics Anonymous August 2004 Games
  • Realspectrum's romsThe Realspectrum's site [url="http://www.romsoft.bbk.org/realspec.html"]http://www.romsoft.bbk.org/realspec.html[/url] doesn't load from 28 aug. 2002…

    ... this forum/site. Converting the microdrive cartriges could be more trickier ... are you using to connect IF1 to COM? (what's the ...
    Mikie Mikie September 2004 Emulators
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Latest Posts

  • I am currently watching.....
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  • What causes microdrive capacity reduction ... when the microdrive is a vDrive-ZX?I've just had my Spectrum 48K and Interface 1 refurbished and have bought a vDrive-ZX.<br /> <br /> I'm finding that I cannot copy my Microdrives t…

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