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  • ZEsarUX 8.1 stableHi! I've uploaded a new ZEsarUX 8.1 stable version. Go to the github released webpage to download it: https://github.com/chernandezba/zesaru…

    ... : no more need to use external unzip program
    Added SCL ... bug loading .sna files when rom 1 paged in
    Fixed ...
    -fixed error when paging rom in ram, on case pages ...
    chernandezba chernandezba February 2020 Emulators
  • Dead Space - ROM version for download (free)You can download Dead Space ROM version, for Interface II, for free now: [url="http://www.bytemaniacos.com/?page_id=3437"]http://www.bytemaniacos.co…

    You can download Dead Space ROM version, for Interface II, for ...
    radastan radastan April 2020 Brand new software
  • 48K ROM copyrights holderHi everyone I would like to check with you about the rights to the 48K ROM. It seems the current rights owner is Sky UK. Did anyone have any recen…

    ... the rights to the 48K ROM. It seems the current rights ... statement from Sky regarding the rom rights (like Amstrad had here ... ) which would rely on the ROM routines.
    While probably not ... , using the original ZX Spectrum ROM (48K) would make things easier ...
    claudiu_cwg claudiu_cwg October 2020 Sinclair Miscellaneous
  • New Spectrum ROM: Arcade Game DesignerIn the last few days I've completely rewritten the Spectrum ROM from scratch to include AGD. Some of the functionality from version 4.8 has been los…

    ... 've completely rewritten the Spectrum ROM from scratch to include AGD ... the editor routines in the ROM, AGD users have a bigger ... playground too.

    The ROM comes with documentation. I've ...
    jonathan jonathan November 2020 Announcements
  • 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 ... you could still plug in external devices that use the NMI ... mapped over the lower 16K ROM space as well as the ...
    cj7hawk cj7hawk February 2021 Hardware
  • specie external keyboard - revision one -[img]https://photos.app.goo.gl/pqeYpXnLqTwYkLvKA[/img] revision one of my external keyboard ... wow it actually worked after a little bit of crash…

    ... />
    revision one of my external keyboard ... wow it actually worked ...
    mark8bit mark8bit August 2021 Hardware
  • Missed opportunities in the 80'sAll the talk of the Loki got me thinking... What if someone had built an expansion box for the speccy that had the 3812 Yamaha music chip ( Adlib Sou…

    ... some sprite capabilities, or an external blitter?.

    Kind of ... that would replace the Spectrum ROM with a RAM and loader ... , and paging RAM into the ROM slot of the Speccy was ...
    cj7hawk cj7hawk September 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
  • Spectrum +3 - Copy games from external 3.5 to internal 3 inches floppy disk [Help]Hello, I've bought a kit to connect an [b]external 3.5 floppy disk[/b] to +3. [img]https://i.postimg.cc/jdYRQD8T/kit.jpg[/img] I'm using [b]…

    ... kit to connect an [b]external 3.5 floppy disk[/b ...
    RetromaniaPT RetromaniaPT April 2022 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
  • Hardware specialists ?????Are there any Sinclair hardware specialist around here? I think most of you are more gamers and I need a hardware specialist for some questions!!!!

    ... want to replace the ROM external with a 16K RAM. ... seems illogical to replace ROM by RAM, but my ... own program, so no ROM is needed. I ... /> 1)
    Replace ROM with ZX81 ROM and make screenadresses point ...
    2)
    Replace ROM with 16K RAM (also adressed ...
    Dr BEEP Dr BEEP April 2002 Sinclair Miscellaneous
  • Atari ST / Amiga - - Spectrum emulator help soughtHi, I might post a lot here, but I am not all that clever with computers, I just like tinkering with them. Today, in the post, I got an Amiga 600 &…

    ... disk, or at least an external floppy drive. It will make ... on real disks, a CD-ROM or PC->Amiga linkup ...
    John H John H February 2003 Sinclair Miscellaneous
  • Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…

    ... ). Both are triggered by external devices by either signalling the ... interrupts are rarely used by external devices (the multiface uses ... you can't change the ROM code there.

    ... 'ret' instruction so that external devices can see when interrupt ...
    Alcoholics Anonymous Alcoholics Anonymous September 2003 Development
  • Z80 to TZX Converter !Hey Everyone ! I have a bit of time lately and I coded a little utility that can convert the Z80 snapshot (any version, 48k and 128k supported) to T…

    ... SNA2TAP - Well, Lunters only supported ROM Speed loading, had a few ... :) And you can select an external loading screen if you wish ...
    Tom-Cat Tom-Cat December 2003 Development
  • Z80 to TZX Converter !Hey Everyone ! I have a bit of time lately and I coded a little utility that can convert the Z80 snapshot (any version, 48k and 128k supported) to T…

    ... SNA2TAP - Well, Lunters only supported ROM Speed loading, had a few ... :) And you can select an external loading screen if you wish ...
    Sadako Sadako December 2003 Development
  • ZX in FPGA...Hmm..seems nobody is interested in a replacement PCB with FPGA...well..heading towards next FPGA projects then...C64 and others (o; [ This Messag…

    ... contention patterns are implemented (Basic rom & video memory)?
    [/ ... done with ROM also in FPGA (o;
    Memory external SRAM and ... and let some magic copy ROM to SRAM after FPGA config ... , making the ROM writable (o;

    ...
    klingler klingler July 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…

    ... supports an infinite expansion via external memory. The 48k Spectrum ... external memory and allow up to 16MB expansion. The ROM ... 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
  • Sprinter Project dead ?Is the Sprinter project dead ? There is nothing at the website: [url="http://www.eng.petersplus.ru/"]http://www.eng.petersplus.ru/[/url] [ This M…

    ... 2+ motherboards
    and ROM-images. And now we ... /7.0 MHz)
    ROM: 64/128K (possibility to ... (and for RAM and for ROM))
    GFX: ZX(256x192 ... , RS-232, LPT (???? #FB), External, TAPE, XT/AT-keyboard
    iS-DOS(IDE boot in ROM); Resident support.

    Yerz Yerz August 2004 Sinclair Miscellaneous
  • Games that won't work with the +2a/bIs there a list of all the games that don't work with the +2a/b? Like Fairlight for example. Ta :)

    ... />
    Is it really mostly ROM changes that cause the problems ... /> If it's mainly the ROM, has anybody tried to plug ... original 48K ROM and can be activated by an external switch? Would ... a +2a work with a heatsink-type 128K ROM ...
    J?rg Pleumann J?rg Pleumann November 2004 Games
  • CPC 464 plus - technical help please.I set up my CPC464plus today. With a cartride inserted, it works. Without a cartridge inserted, it displays just a green screen. I have one cart, …

    ... 't work with a disc rom present. Not actually a plus ... + and 6128+ have the disc rom present because it contains the ... reinitialise the firmware without initialising external roms so that they don ... expects specific versions of the ROM code, but not very often ...
    AndyC AndyC January 2005 Sinclair Miscellaneous
  • Swedish SPectrum ROM foundFrom a contributor to my inbox: [quote] Went to a flea market today to look for old computers and found a rubber-key Speccy. Didn't really look at i…

    16K ROM = 27128 EPROM.

    You ... is altered.

    An external eprom can be placed easily.
    Dr BEEP Dr BEEP April 2005 Development
  • How do I get a random numberHi, I need a simple routine to get a random number from 1 to 4. I don't need nothing very complex or that much random, it just have to produce diffe…

    [url="http://map.tni.nl/sources/external/z80bits.html"]http://map.tni.nl/sources/external/z80bits.html[/url]

    or reading register R
    or reading ROM
    Fikee Fikee May 2005 Development
  • How do I get a random numberHi, I need a simple routine to get a random number from 1 to 4. I don't need nothing very complex or that much random, it just have to produce diffe…

    ... ="http://map.tni.nl/sources/external/z80bits.html"]http://map.tni ... .nl/sources/external/z80bits.html[/url]
    [/quote ... register R
    or reading ROM
    [/quote]

    I ...
    AE.Vasconcelos AE.Vasconcelos May 2005 Development
  • Necessary +2A ROMsA +3 has 4 roms: Menu/Editor Syntax Checker +3DOS 48k BASIC I understand that a +2A is identical to a +3 but without a disk drive. It also uses …

    ... and thus there is no external floppy port on the +2A ... ? My +2 has only one rom chip in it.
    KeepGood KeepGood September 2005 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…

    ... +2 all had one ROM chip. The CE pin ... used to disable the internal ROM. When that pin is ... 5 volts the internal ROM chip is switched off.< ... edge connector so external devices could switch off both ROM chips. < ... to switch off the internal ROM's can.

    KeepGood KeepGood October 2005 Sinclair Miscellaneous
  • Update check in EmuZWin and other thoughts?Hello! I would like to have a update check(new version) in EmuZWin, with many new versions all the time it would be nice to have this function. ;) …

    ... /> * more models support with shadow ROM/RAM: Scorpion, ATM, Profi, PLM ... /saving tape from/to WAV, external line (via sound card), saving ...
    Golfareninsweden Golfareninsweden October 2005 Emulators
  • "Unknown disk format"-error on Spectrum +3Hi, I have just gotten around to changing the drivebelt in my newly acquired +3. I tried to format one of the 3" disks I bought on eBay the other we…

    ... a +3 equipped with an external 3.5" drive. It works ... to send a blank CD ROM or soemthing.

    If ...
    DEATH DEATH December 2005 Hardware
  • SPECTRUM +3 NIGHTMAREGot my Specci +3 through the post this morning. The good news all the keys work and it turns on ok. The bad news the disk drive doesn't work. When yo…

    ... " floppy drive on the external port. The cable used ... for the external drive is just a ... needed for the +3 external drive. Keep in mind ... drive motor). If the external drive works then you know ... . Give the built in ROM diagnostics a try too. ...
    KeepGood KeepGood January 2006 Hardware
<1…11121314151617…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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