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<1…20212223242526…34>
  • WANTED Machinecode Routine for Paging in Betadisk TR-DOS v5 ROMI try to build a small MCode-program which writes the TR-DOS-ROM v4 / v5 to RAM adress 40000 an up. It´s working on TR-DOS v4 / Betadisk 48k: C…

    ... which writes the TR-DOS-ROM v4 / v5 to ... #3C06 = 15366 dez = DOS / ROM ON
    ;TR-DOS v4 ... I compare the Bytes from ROM-Files, it seems with ... copies the standard Spectrum 48k ROM to adress 40000
    ... and NOT the Betadisk v5 ROM (because it´s not paged ...
    Luzie Luzie December 2015 Hardware
  • I don't think I'm getting the $22AA Pixel-Add rom routineDear all, I'm misunderstanding how the PIXEL-ADD rom routine works. My code... [code]ld b,175 ld c,1 call $22AA ld (hl),a ret[/code] So…

    ... misunderstanding how the PIXEL-ADD rom routine works.

    My ... that, I'm assuming the rom routine at $22AA will convert ...
    Tobo Tobo March 2016 Development
  • Mastering Machine Code on your ZX Spectrum by Toni Baker - Chapter 17 Disassembling the ROMHi All, As promised I have posted the source code for the disassembler from Chapter 17 of Mastering Machine Code on your ZX Spectrum by Toni Baker…

    ... -baker-chapter-17-disassembling-the-rom/"]here[/url].

    Thanks ...
    dbolli dbolli March 2016 Development
  • Where can I find accurate ROM functions map?Basically so I can avoid reinventing the wheel and just CALL rom if there is function there (for example, $203C, print function) that does exactly wh…

    Basically so I can avoid reinventing the wheel and just CALL rom if there is function there (for example, $203C, print function) that does exactly what I want. Would also help keep program size small.
    Darkhog Darkhog April 2016 Development
  • ROM checksum tool.A recent post by Rorthron reminded me about this category and how little activity it's had since it was set up. :-S Reading through the "preservat…

    ... .worldofspectrum.org/forums/discussion/52364/rom-checksum-utility"]in Sinclair Miscellaneous ...
    guesser guesser April 2016 Hardware Preservation
  • Complete Spectrum ROM Disassembly copyrightApologies if the answer to this question lies somewhere in the bowels of this forum, but I couldn't find any information on it. It's impossible to…

    ... of the The Complete Spectrum ROM Disassembly (by Logan and O ... SkoolKit job on the Spectrum ROM and publishing the result. Being ...
    SkoolKid SkoolKid May 2016 Sinclair Miscellaneous
  • ROM disassembly of CAS disk interfaceI finished disassembling of the ROM with operating system of CAS (Cheyenne Advanced Systems) disk interface. This interface is a clone of Beta 48 and…

    I finished disassembling of the ROM with operating system of CAS ( ...
    TK90XFan TK90XFan June 2016 Sinclair Miscellaneous
  • The Complete Spectrum ROM Disassembly - SkoolKittedAs [url="http://worldofspectrum.org/forums/discussion/52745"]indicated previously[/url], I've recently been working on converting Logan and O'Hara's …

    ... and O'Hara's Spectrum ROM disassembly into SkoolKit format.
    rom/"]The Complete Spectrum ROM Disassembly[/url]
    SkoolKid SkoolKid July 2016 Announcements
  • Help needed with MIA software with custom (?) loaderHi, I've got into my hands recently a bunch of Polish educational software which are unknown MIA on WOS. I believe they are protected with some…

    ... protected with some simple custom loader. as MakeTzx fails with it ...
    Ralf Ralf July 2016 MIA/STP/SDP
  • Startup colours of the Spectrum ROMHi Folks, Thought I would have a go at changing the startup colours of the Spectrum ROMs used within BasinC which ships with 48.rom (16384 bytes) …

    ... ships with 48.rom (16384 bytes) and plus2.rom (32768 bytes). Looking ... in the Complete ROM Disassembly I made the following ... br />
    In the plus2.rom file I changed:

    ROM disassembly.

    Many ...
    Paddy Coleman Paddy Coleman October 2016 Development
  • Recommend games that don't need the ROM ?I'm looking for a few games that: * Are freely available as .sna files * Do not need the ROM at all * Have motion on screen after snapshot resta…

    ...
    * Do not need the ROM at all
    * Have motion ...
    Mr X Mr X October 2016 Games
  • Tape Loaders and Tape MasteringHi guys, A couple of questions. As I'm getting towards the later stages of developing a game that's eventually going to get a physical release, I …

    ... need to think about the loader, and also how I'm ... version had a block based loader, which for this particular game ... like to write a similar loader for it. Can anyone point ... , other than the ROM disassembly, of a fast tape loader? I might ...
    joe joe December 2016 Development
  • ROM PRINT routine issuesHi all, I am using the ROM print routines a lot in my assembly program and I'm experiencing issues. I am changing the system variable DF CC to po…

    ... />
    I am using the ROM print routines a lot in ... character. I'm assuming the ROM print routines are updating other ...
    Kevin_C Kevin_C December 2016 Development
  • can a backup device damage the spectrum ROM?as above. been using a specmate device which seems to have corrupted my speccys ROM.

    as above. been using a specmate device which seems to have corrupted my speccys ROM.
    cypher007 cypher007 January 2017 Hardware
  • how to edit a romhi, i just wanted to know the best way to edit a rom. im going to do it in an emulator first and then run it in a spectrum.

    hi,

    i just wanted to know the best way to edit a rom. im going to do it in an emulator first and then run it in a spectrum.
    digital digital January 2017 Hardware
  • where is border/ink, etc stored in rom?hi, i just wondered where these were stored in rom and how i change these?

    hi, i just wondered where these were stored in rom and how i change these?
    digital digital January 2017 Sinclair Miscellaneous
  • Scrolling loader counter in 85 T-States?Would it be possible to write a scrolling loader counter in 85 T-States? I have a custom screen load routine that loads attribute first, then the …

    ... possible to write a scrolling loader counter in 85 T-States ... .

    Registers used by loader are IX, DE, HL, BC ... say, no stack useage. My loader doesn't touch the stack ...
    FrankT FrankT February 2017 Assembler
  • Wanted - Space Raiders ROM CartridgeI keep an eye on eBay and there's a Space Raiders ROM cartridge up for sale at the moment, but I don't think it's worth £70 for such a tatty box. …

    ... there's a Space Raiders ROM cartridge up for sale at ...
    joefish joefish March 2017 Wanted
  • Disabling the ROM without removing the whole thingHi! I've got my hands on a non-working issue 6a. I suspect the ROM may be bad, but other things may be faulty as well. I've read that in an otherwis…

    ... issue 6a. I suspect the ROM may be bad, but other ... otherwise working speccy removing the ROM gives a very specific screen ... problem to the ROM.

    But the ROM (a NEC type ...
    Mikelone Mikelone April 2017 Hardware
  • Horace and the Spiders and Planetoids ROM cartsOffloading another 2 rare ROM carts, in pretty good nick. £60 for both seem fair? [img]https://s15.postimg.org/y9mibpyrf/2017-05-02-1095.jpg[/i…

    Offloading another 2 rare ROM carts, in pretty good nick.

    £60 for both seem fair?

    [img]https://s15.postimg.org/y9mibpyrf/2017-05-02-1095.jpg[/img]

    [img]https://s2.postimg.org/eloo6fdqh/hats.jpg[/img]
    daveysludge daveysludge May 2017 Sales
  • 128 toastrack ROM "upgrade"Hello all As I hate the UK-model menu & editor I would like to replace the original with the (translated) Spanish ROM but can't find any plain image…

    ... original with the (translated) Spanish ROM but can't find any ... me in EightyOne only as ROM-cartridge (as it should), not ... as ROM replacement.

    Any hint ...
    Mad Fritz Mad Fritz June 2017 Hardware
  • ZX ROM in 64 characters a lineDear ZXS users, I am glad the today's release is not only concerning MB-02+ as it is normally the case with me, but it concerns really everyone, sinc…

    ... everyone, since everyone uses ZX ROM :).

    Busy agreed and ... created superb ROM patches which make ROM print in 64 ...
    Hood Hood June 2017 Sinclair Basic
  • ROM emulation in softwareHi, first of all -- I only have shallow / uni knowledge of hardware, electronics, and physics. So forgive me for asking things that are out of that …

    ... 20ns. But the ZX Spectrum ROM chip timing shows that its ... to somehow wire ZX Spectrum ROM slot to some fast PC ... feed read the ZX Spectrum ROM address and feed it data ...
    tstih tstih June 2017 Hardware
  • Komando 2 incompatible with the +2A models, anyone could supply a poke or a loader to make it work?http://www.worldofspectrum.org/infoseekid.cgi?id=0002734 Is any way to make it work in the +2A models with a loader or poke? Thanks!

    http://www.worldofspectrum.org/infoseekid.cgi?id=0002734

    Is any way to make it work in the +2A models with a loader or poke?

    Thanks!
    Ivanzx Ivanzx June 2017 Games
  • +2 Black Boot Rom Selectionhello, i have a custom ROM with a test RAM software burned in that i have used before to troubleshooting ram problems on my +2 grey, is there a…

    ... />
    i have a custom ROM with a test RAM software ... that +2 black has 2 rom ICs, is there any technique ...
    xaris_sm xaris_sm June 2017 Hardware
  • Afterburner rom showing sound options in 48K mode?I am running an [i]Afterburner (1988) (Activision)[/i] rom (which I can't remember where I got it from) that shows the music or sound effects choice …

    ... [i]Afterburner (1988) (Activision)[/i] rom (which I can't remember ...
    Renegade Renegade July 2017 Games
  • Burning a ROM for a 128k +2 (Grey)Hi Guys, I would like to change the 128k +2 menus I have actually in French with English. The OS is in a 27C256 eprom. I do have a programmer and …

    ... where to get the correct rom file to load and how ...
    repetto74 repetto74 September 2017 Hardware
  • Precisely what is the ROM licencing situation?Freeware use, that is. Are the Speccy ROMs allowed to be used in any utility related to Spectrum emulation, or just in actual emulators? Is it …

    ... to use part of the ROM (I'm thinking specifically of ... set), or does the entire ROM have to be used?
    robert@fm robert@fm October 2017 Emulators
  • Hacking the ZX Spectrum 48K ROMHi Guys, I have modded my Speccy with a dual boot ROM loading on first bank the original ZX kernel and on the second bank an enhanced version. I h…

    ... Speccy with a dual boot ROM loading on first bank the ...
    repetto74 repetto74 November 2017 Hardware
<1…20212223242526…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
  • Another Birthday! The Game Boy Is 35!
    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
  • 1992 Spectrum Software
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  • +3 Disk drive motor
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    mel the bell on April 20

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