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<1234567…34>
  • 16K Rom with RS232 supportHi all, I am looking for a 16K Rom-code (to fit into the speccy) which supports RS232 and Network of IF1. Background: I am using 48K Issue 3 with W…

    ... /> I am looking for a 16K Rom-code (to fit into the ... with Winstons Diag Board for Rom code storage and Piters simple ... the Diag board IF 1 rom paging in does not ... I am looking for a rom which already has the ... I found the sea change rom but the used header format ...
    maskenlos maskenlos November 2008 Hardware
  • Spectrum +2C Rom by Andrew OwenHi, I've downloaded the Spectrum +2C rom on the Philip Kendall's site (plus2c-0.rom). Can I replace the original BASIC 16k ROM with a 27C128 burned …

    ... 've downloaded the Spectrum +2C rom on the Philip Kendall's ... I replace the original BASIC 16k ROM with a 27C128 burned with ... that rom file on a "real" gray ... +3? If it is - what rom should I remove?

    dg67 dg67 October 2008 Hardware
  • The right size for Standard Betadisk 48k TR-DOS v4 ROMs is 8k and not 16kHi Emulator-Authors, I just want to clarify, that Betadisk 48 ROMs TRDOS v4 ROMs has size of 8 kByte and not 16k Byte. Only TRDOS v5 (of Beta…

    ... of 8 kByte and not 16k Byte.

    Only TRDOS ... 8k ROMs together to one 16k ROM (e.g. with MSDOS COMMAND ... copy /b TRDOS48K.ROM+TRDOS48K TRDOS.ROM).
    This 16k ROM can than be ... state the size of TRDOS.ROM is incorrect).

    Please ...
    Luzie Luzie September 2015 Emulators
  • A videoaventure in 16K - Cartridge for IF2Hello all, After an intermitent work I am near of reléase my new game: a videoaventure (exploration game) in 16K ROM carttridge. Your objetive is…

    ... a videoaventure (exploration game) in 16K ROM carttridge.
    Your objetive is ... reléase source code, and 16K ROM file, after finish him.
    16K native cartridge.

    ... with Interface II (ZX Spectrum 16K RAM model too).
    < ...
    radastan radastan March 2017 Development
  • SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…

    ... "" CODE 16384: RESET.
    [*]Lower 16K ROM can be used on its ... support for software that uses ROM IM2 vectors with well-behaved ... were present in the original ROM.
    [*]Number codes dropped ... : /7.
    [*]Only 32K ROM supported by devices that force ...
    chev chev October 2013 Sinclair Basic
  • SoftRom emulation possible?Hello. Quick question to all emulator developers: How easy would it be to emulate a SoftRom? The mastering utilites for my protection system XLR-8 a…

    ... work? The software needs all 16K ROM space for temp files (ie ...
    JonNorth JonNorth October 2005 Development
  • SoftRom emulation possible?Hello. Quick question to all emulator developers: How easy would it be to emulate a SoftRom? The mastering utilites for my protection system XLR-8 a…

    ... work? The software needs all 16K ROM space for temp files (ie ...
    JonNorth JonNorth October 2005 Emulators
  • Memory Map/ContentionHi I'm new to speccy coding (well I did some z80 coding a few years back - like 20yrs ago :) ), and I'd like to get back into writing some scrolling…

    ... Area

    0000-3fff 16k Rom
    4000-57ff 06k Screen ...
    ZJones ZJones September 2006 Development
  • Silly little question written at the stroke of midnight.The run-of-the-mill Sinclair Spectrum is controlled by a 16K ROM program which can be divided into three major parts: 1. I/O routines 2. BASIC interp…

    ... Spectrum is controlled by a 16K ROM program which can be divided ... we say that the Speccy ROM is not only an OS ...
    Skarpo Skarpo June 2007 Sinclair Miscellaneous
  • Replacing original 48k roms with...Hi, is it possible to replace (without serious hardware modifications) the original 16k ROM on a Spectrum 48k with an Eprom programmed with ROM take…

    ... serious hardware modifications) the original 16k ROM on a Spectrum 48k with ... an Eprom programmed with ROM taken from some Spectrum compatible ... ? If It's possible, what ROM chip should I replace and ...
    dg67 dg67 March 2008 Hardware
  • ANN: Shadow of the Unicorn LROS cartridgeI have produced a Timex 2068 cartridge version of this Mikro-Gen title from 1985. The original was a 64K game provided as a 16K ROM and cassette. Thi…

    ... 64K game provided as a 16K ROM and cassette. This version is ... a 64K ROM. It is provided in .DCK ...
    chev chev February 2009 Announcements
  • line, plot and circle in whole 256x192 displayhi! are there some way to draw lines, or whatever, in the whole 256x192 display, than just the above 256x176 part? (this is the msx1 version i made o…

    ... in assembly, like calling the 16k rom ("bios") routines, are welcome as ...
    nitrofurano nitrofurano September 2011 Sinclair Basic
  • eBay - Spectrum game auction & some rare collectables *edited*Hi there, I've had a bit of a clear out at home, and put a few Spectrum games for sale on eBay: [url]http://www.ebay.co.uk/sch/meatpuppet6666/m.html…

    ... collectors. A rare Spectrum Cookie 16k ROM as well as a couple ...
    meatpuppet meatpuppet March 2014 Sales
  • New from Paul Farrow, the ZXC4This is exciting stuff!!!! Sorry if ive stepped on your toes Paul, wanted people to hear about it!!! [QUOTE]Hi I?m happy to announce the release o…

    ... but it also allows full 16K ROM programs to be used. It ... routines in the Spectrum ROM, using the ROM cartridge as a shadow ... functionality available from the Spectrum ROM.


    The ... (for the 16K/48K Spectrum) which has a ROM cartridge socket.
    Macc Macc July 2014 Hardware
  • Assembler by Peker Computers Ltd.There are two entries at WOS: http://www.worldofspectrum.org/infoseekid.cgi?id=0024435 (MIA) http://www.worldofspectrum.org/infoseekid.cgi?id=100…

    ... is a link to the ROM image for the cartridge, but ...

    It's a 16K ROM that is used in place ... of the ZX Spectrum ROM, and it appears to work ...
    poglad poglad May 2018 MIA/STP/SDP
  • 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 ... />
    Also, with an extra 16K of RAM that can be ... and mapped over the lower 16K ROM space as well as the ...
    cj7hawk cj7hawk February 2021 Hardware
  • Strongest aspect of Spectrum BASICWhat would you say is the strongest aspect of Spectrum BASIC compared to other BASICs on other micros at the time. I think it might have been the Fun…

    ... cram all that into a 16K Rom.
    dmsmith dmsmith March 2022 Sinclair Basic
  • WANTED: tape replacement for +2?Any tape replacement possible for a +2? My +2 works wonderfully but the incorporated datacorder is simply worn out and won't load ANYTHING. Dirty sig…

    ... for every keystroke, and the ROM beep routine contains a OR ... . The ULA with the lower 16K of RAM, and the processor ... the upper 32K RAM and 16K ROM are working independently of each ... read or write the lower 16K, the ULA halts the processor ...
    Dr BEEP Dr BEEP November 2001 Sales
  • ZX Spin 0.3 ReleasedStandard Cut'n'Paste from CSS post again! I can't get to my webpage, so I've uploaded SPIN0.3 to WOS, Alt.Binaries.Comp.Sinclair, and also Daren Pea…

    ... chip has a built-in 16k ROM which is used to generate ...
    Jon Needle Jon Needle September 2002 Emulators
  • A great ROMBack in the early 90s my ZX clone (called "Cobra" if anyone's interested) had a sort of a "SamRam" (actually an alternate ROM accessed via a NMI) tha…

    ... (a non-removable built-in 16K ROM with hacking tools, as opposed ...
    GOC GOC August 2003 Sinclair Miscellaneous
  • Some new files from the TZX Vault don't work!I am having severe problems with a couple of files I downloaded from the Vault after the last update. The 128K version of [I]Three Weeks in Paradise[…

    ... stupid reason) loads over the 16K ROM area too. Then it runs ... data.

    Course the ROM changed on the later 128K ...
    Woody Woody March 2004 MIA/STP/SDP
  • Some new files from the TZX Vault don't work!I am having severe problems with a couple of files I downloaded from the Vault after the last update. The 128K version of [I]Three Weeks in Paradise[…

    ... stupid reason) loads over the 16K ROM area too. Then it runs ... data.

    Course the ROM changed on the later 128K ...
    Alessandro Grussu Alessandro Grussu March 2004 MIA/STP/SDP
  • Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??

    ... been enough room in the 16k ROM to fit in a PRINT ...
    monty.mole monty.mole March 2004 Sinclair Miscellaneous
  • Program sizeI am typing a basic program into a ZX and I need to find out exactly how much memory it is using. Is there a way to calculate this? :confused:

    ... /> An unused routine in the ROM is used that subtracts the ... amount of memory (including the 16K ROM) that is used so this ... caters for any section of ROM and allows for maskable and ...
    Geoff Geoff August 2004 Sinclair Miscellaneous
  • 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…

    ... -- the HOME bank which contains 16K rom and 48K ram as in ... 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
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... do I (a) find the 16K ROM from the Speccy and (b ...
    MadDoc MadDoc September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... do I (a) find the 16K ROM from the Speccy and (b ... />
    You can find the ROM bundled with any emulator, or ...
    Dunny Dunny September 2004 Development
  • If you could re-design the Spectrum...Let's suppose you could go back in time to the beginning of the Eighties. The Spectrum is being designed as the revolutionary successor to the alread…

    ... as much in to the 16K ROM as possible.
    cyborg cyborg October 2004 Sinclair Miscellaneous
<1234567…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
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    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
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    harriusherbartio on April 21
  • +3 Disk drive motor
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  • 16K Rom with RS232 supportHi all,<br /> <br /> I am looking for a 16K Rom-code (to fit into the speccy) which supports RS232 and Network of IF1.<br /> Background:<br /> <br />…
  • When is a 16k not a 16k ?Can anyone explain what this machine is supposed to be ?<br /> <br /> Speccy with a 16K sticker on the base.<br /> <br /> Doing a peek 23733 returns…
  • Searching for correct Betadisk 48k TR-DOS v4.12 ROM (Save ROM via TRDOS-Prompt to Disk)Hi,<br /> <br /> I have two ROM-Files which should be read out from an original Betadisk 48 Interface TRDOS v4.12 (ROM-Size 8k).<br /> But when I …
  • SINCLAIR ZX80 + 16K ORIGINAL EXPANSION ROM!!!http://www.ebay.co.uk/itm/-/171965470419?<br /> <br /> Here you are my ZX80 in perfect working condition.<br /> <br /> It was upgraded in 1981 wi…
  • Is it possible to run a single BASIC line via a ROM CALL of the Standard ZX 48k ROM?On: https://cygnus.speccy.cz/popis_trdos-assembler.php<br /> <br /> I found the following code:<br /> [code]<br /> CHADD equ 23645 ; Location of…
  • Mag the Magician - ROM version liberated for free (16K compatible!)Hi all,<br /> <br /> I just release for free the ROM version of Mag the Magician:<br /> [url="http://www.bytemaniacos.com/?page_id=3453"]http://ww…
  • 16k and PEEK 40000 (on a real 16k Spectrum)?Imagine a real 16k Spectrum (without any RAM expansion or circuits fitted). What would I get if I do a PEEK or try to access memory over 32767?<br />…
  • Thanks for the memories... is it 16k or 48k?Hi. At three different flea markets in Gothenburg, Sweden I found just as many Spectrums... (and a ZX81! [img]/__forums/images/smiles/icon_smile.gif[…
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