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  • New Floppy Interface for the +2a/b (black case)Hello everybody! For a long time I wondered about the posibility of adding a FDD to the +2a/b (black). I knew it was possible; All the logic is alre…

    ... access both sides of the disk.[/QUOTE]
    Er, you don ... wired up from the floppy controller, if you've copied the ...
    guesser guesser November 2014 Hardware
  • New Floppy Interface for the +2a/b (black case)Hello everybody! For a long time I wondered about the posibility of adding a FDD to the +2a/b (black). I knew it was possible; All the logic is alre…

    ... wired up from the floppy controller, if you've copied the ... to each side of the disk. You will need the switch ...
    BCH BCH November 2014 Hardware
  • Which +2 model?Hi which +2 model is considered the best to use,most compatible ect? +2 or +2A or +2b I do have the Sinclair models but I like the keyboard and b…

    ... except the chips for the disk drive controller are not fitted. And ...
    1024MAK 1024MAK November 2014 Hardware
  • New multisystem floppy interface (spectrum 16Kb/+2A/CPC464)Dear all, I would like to show you my new extern floppy interface. Same interface can be used for both, CPC and Spectrum systems. CHARACTERISTICS …

    ... to the mystery resistor and disk select gates.
    I vaguely ... the machine whenever the floppy controller selected drive 1!

    guesser guesser December 2014 Hardware
  • Speccy Vs Amstrad CPC Vs C64I hope no one minds me posting this here as well as in the announcements section. I'll delete it if there is a problem. It's childish fun but can I …

    ... data rate. My own DD disk system was loading 48k snapshots ... and that includes seek time. Disk copies were measured in seconds ... data transfer speed off the disk. They are rotating at the ... the 6502 acting as disc controller. Rather, Commodore couldn't get ...
    Matt_B Matt_B December 2014 Games
  • Speccy Vs Amstrad CPC Vs C64I hope no one minds me posting this here as well as in the announcements section. I'll delete it if there is a problem. It's childish fun but can I …

    ... data transfer speed off the disk. They are rotating at the ... where an IBM PC DD disk has 8 or 9 512 ... of reading data off the disk faster, as it's got ... the 6502 acting as disc controller. Rather, Commodore couldn't get ...
    Jimmo Jimmo December 2014 Games
  • Features that are still wanted in Spectrum emulation.Features that are still wanted in Spectrum emulation. 4 USB joystick/gamepad input for real multiplayer games - Yes, Bomb Munchies.... - Sinclair 12…

    ... to the physical floppy drive controller. On Windows at least you ... was actually released on 3" disk :p
    guesser guesser July 2015 Emulators
  • Was there a POKE that broke the SpectrumHi Everyone I've been recalling myths and rumours from back in the day. You know "Lunar Jetmans" trailer and that sort of thing. But one rumour …

    ... things out. But where a disk drive controller exists, poking random values ... may cause data on the disk to become corrupted.

    1024MAK 1024MAK October 2015 Sinclair Miscellaneous
  • Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …

    ... synchronisation between Z80 and Floppy controller. That is fact. Now opinion ... fast file handling" .... "The RAM disk may also be reconfigured to ... the main table and the disk table are copied in RAM ...
    roko roko December 2015 Hardware
  • Opus DiscoveryWould anyone have any materials about programming the Opus Discovery disk? I know it overrides ROM and uses microdrive commands, but I am more into b…

    ... the byte to write to disk (i.e. there is no ... DMA mechanism for the disk to just to dump the ... bytes to/from the floppy controller, is done by Non Maskable ... /> [/quote]

    So the controller in the background pre-fills ...
    tstih tstih February 2016 Development
  • Opus DiscoveryWould anyone have any materials about programming the Opus Discovery disk? I know it overrides ROM and uses microdrive commands, but I am more into b…

    ... the boot sector on the disk. Possible sector sizes are the ... like that.
    Many Floppy Controller Chips can handle such (IBM ...
    roko roko February 2016 Development
  • Elite - Galaxy Creator Pokes.So 8 meagre galaxies are not enough for you? Tired of visiting the same old 2048 planets over and over? Say no more, these "Galaxy Creator" pokes wil…

    ... missing any buttons on the controller. Then there's some small ... sequence like in the BBC Disk/C64 versions but you can ...
    Ersh Ersh February 2016 Games
  • What do I need to know about SSD HDDs?I've not been paying too much attention to the complexities of building a PC for about 10 years so I've got no idea what the standards are now. I'…

    ... tend to die 'unanounced' (total controller board failure), whereas gold old ... so, good old spinning magnetic disk [i]might[/i] be a ...
    RetroTechie RetroTechie March 2016 Chit chat
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ... focusing on the wd1772 FDD controller.
    On the 128k toastrack ... program is loaded again from disk. I have to check if ...
    Severino Severino July 2016 Hardware
  • Purchasing Advice for an ignorant AmericanHello, I am a retro computer enthusiast who lives in the United States. I am currently looking into importing a model from the UK, and would like whi…

    ... an Atari and Zip-Stick controller on my 2600 and Amiga ... there any benefits to the Disk Drive on the Spectrum ZX ...
    abcman787 abcman787 February 2017 Sinclair Miscellaneous
  • More from Timex Computer corp. (U.S.A.)I'm hoping this will be of interest to some of you. Bruno: For many years we've been told a 48K Spectrum had been modified to work with NTSC but did…

    ... that’s correct about the controller usage;"

    (I didn ... faster speed, better color, real disk drives, etc."

    "How ...
    zxbruno zxbruno March 2017 Sinclair Miscellaneous
  • 128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…

    ... extra space for addons/driver/disk drive controller. I'd probably overwrite ...
    Timmy Timmy May 2017 Development
  • 128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…

    ... extra space for addons/driver/disk drive controller. I'd probably overwrite ...
    Sol_HSA Sol_HSA May 2017 Development
  • ZX Spectrum Next Kickstarter Launchedhttps://www.kickstarter.com/projects/1835143999/zx-spectrum-next

    ... equipment. To work with virtual disk requires at least 1.5Mb ... -compatible protocol:[/b] If the controller SD card to add the ...
    Black_Cat Black_Cat May 2017 Sinclair Miscellaneous
  • A guide to the evolution of development of architecture of the ZX Spectrum[color=#FF0000][b]New![/b][/color] Black_Cat Info Guide #10 "A guide to the evolution of development of architecture of the ZX Spectrum" http://zx.cl…

    ... Spectrum. Peripheral devices such as disk interfaces, etc. are not evolutionary ... mode, the expansion bus, interrupt controller, DMA.
    Black_Cat Black_Cat July 2017 Hardware
  • Controllers... I'M A CONTROL FREAK!...to paraphrase the Volvo advert from about 20 years ago, for some variant of the 850/V70, if I remember rightly. Anyway, I wonder if it's possib…

    ... a DDI-1 disk drive, and use a GX4000 controller on that ...
    Your Spec-chum Your Spec-chum December 2017 Hardware
  • Floppy drive fixI know this might be a long shot but does anyone know or does anyone fix floppy drives I ha e an nous discovery and the controller on the floppy driv…

    ... actually tried another disk drive with a disk that is suitable ... know that it is the disk drive operating system that ... will be written to a disk. So for example, if ... a double sided 80 track disk in a 80 track, ... you sure it is the controller chip? A common cause ...
    1024MAK 1024MAK December 2017 Wanted
  • Backing up games on 3-inch disketteHi everyone, I recently acquired a copy of Outrun on 3-inch disk, which means I can now play one of favourite games (no criticism of my taste, ple…

    ... image to a real 3" disk and the only way I ... old PC with a Floppy Controller and using samdisk to write ... DSK back to a 3" disk, not exactly user friendly :(
    disk with an FD-1. The ...
    BarryB BarryB May 2018 Games
  • Req: Tintin on the Moon Kryoflux dump to repair my original disk!!Obtained a copy of Tintin on the Moon but the disk has been completely formatted and needs repairing!! Have the DSK image and created Kryoflux stream…

    ... PC with a real Floppy Controller and Amstrad FD-1 you ... images back to a 3" disk for use on real hardware ... straight back to a 3" disk like I did to repair ... my formatted TinTin disk with streams from the working ... like owning an original +3 disk!
    BarryB BarryB September 2018 Games
  • Emulators that can read from real +3 disk?Are there any emulators that can read/write and run games from a real +3 disk drive plugged into a FDD header? (like samdisk and cpcdiskxp can)

    ... into a standard PC floppy controller? Is that even possible? And ... need a real floppy drive controller chip on the main board ... .

    And yes, the disk drive interface used by 3 ... /> There is no USB floppy controller that fits in a PC ...
    1024MAK 1024MAK April 2019 Emulators
  • New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…

    ... RAM accessing directly to floppy controller. The trick is that you ... at known (fixed) places on disk.

    The downsides are ... :
    - Only one snapshot per disk.
    - You can not store ... only copy your disks using disk copy (i.e.: COPY "A ...
    Zup Zup May 2019 Development
<1…18192021222324…34>

Latest Posts

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    John Elliott on April 21
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    harriusherbartio on April 21
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HitBox

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