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Search Again :: Adv Search 1000 results in 0.014s
<1…16171819202122…34>
  • Destroyed my ROM. Need a new one...I was messing around with my 48K rubberkey's ROM trying to read its contents with the programmer we have at work but in my haste and excitement I mad…

    ... with my 48K rubberkey's ROM trying to read its contents ... have ended up blowing the ROM up *[i]hangs head in ...
    namtip namtip August 2015 Hardware
  • Interface 1 Rom UpdateHi, I have an Interface 1 with a version 1 Shadow Rom, I would like to update it to Version 2. I think IF1 Rom v2 code could be burned into a T…

    ... with a version 1 Shadow Rom, I would like to update ... .

    I think IF1 Rom v2 code could be burned ... there maybe a version 3 rom, was that ever released.
    doubledecca doubledecca August 2015 Hardware
  • Searching for correct Betadisk 48k TR-DOS v4.12 ROM (Save ROM via TRDOS-Prompt to Disk)Hi, I have two ROM-Files which should be read out from an original Betadisk 48 Interface TRDOS v4.12 (ROM-Size 8k). But when I compare them, they…

    ... br />
    First ROM has Checksum: SHA-1: C8BAAEF66AB7FBF457BA76B783C02434CC5E2130 ...
    Second ROM has Checksum: SHA-1: ... to
    Vision GUI with ROM-size 16k.

    Luzie Luzie September 2015 Hardware
  • K-MOUSE TURBO 2011 interface - next batchI plan make some pieces of K-MOUSE TURBO 2011 interface. It's mouse interface for ZX and compatible computers. [img]http://velesoft.speccy.cz/othe…

    ... on ZX16 and ZX48+)
    - reset button (ideal for rubber ZX ... models)
    - through ZX bus connector
    - good software support ... booster 74LS07): yes / no
    - reset button: yes / no
    - two ...
    velesoft velesoft September 2015 Sales
  • The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…

    ... Custom ROM in ROM-A
    DRAM in ROM-B with ... br />
    --------------------------
    ROM and RAM in More Detail ...
    --------------------------
    ROM:

    ROM0 - ... on amouse) pressed on reset enters BIOS anyway
    ...
    bverstee bverstee October 2015 Hardware
  • SINCLAIR ZX80 + 16K ORIGINAL EXPANSION ROM!!!http://www.ebay.co.uk/itm/-/171965470419? Here you are my ZX80 in perfect working condition. It was upgraded in 1981 with the new rom and keybo…

    ... in 1981 with the new rom and keyboard.

    It ...
    ranma_simon ranma_simon October 2015 Sales
  • 128K Toast Rack / +2 Grey Bug Fixed english ROM ?Just spotted this on ebay before ending: http://www.ebay.com/itm/1x-Sinclair-ZX-Spectrum-128K-Toast-Rack-2-Grey-Bug-Fixed-english-ROM-/26206065205…

    ... -2-Grey-Bug-Fixed-english-ROM-/262060652057?hash=item3d04083619:g:i ... to place a 128k Toastrack Rom on a grey +2? Any ... , a grey +2 with that ROM would become the most compatible ...
    Renegade Renegade October 2015 Hardware
  • Spectrum+ 128k ROM replacementHello, I want to change the stock ROM of my Spectrum+ 128k with an EPROM ([url="http://pdf.datasheetarchive.com/datasheetsmain/Datasheets-32/DSA-6…

    ... want to change the stock ROM of my Spectrum+ 128k with ...
    kwyjibo kwyjibo November 2015 Hardware
  • 48K Issue 3B ROM to EPROM methodsHi folks, While fixing up a completely dead Commodore PET I needed a way of testing the 4116 RAM chips that make up its 32K, some googling found a…

    ... EPROM containing the 48K ROM and a diagnostic ROM from Paul Farrow ... 've found of doing the ROM - EPROM replacement, either the ... diags.

    Sanity check ROM burner (MQP Pinmaster 48) by ... reburn the 27c256 with stock ROM (previous attempt had been with ...
    witchy witchy December 2015 Hardware
  • Spectrum +2A floating bus portHi As I discovered in the past, Spectrum +2A (and probably +3) do have floating bus port. But it is not shown on all unused ports, only on some po…

    ... probably +3) do have floating bus port. But it is not ... +2A does not have floating bus port, but it's incorrect ...
    chernandezba chernandezba January 2016 Hardware
  • New K-MOUSE 2016-LPI plan make new PCB version of K-MOUSE 2016. This version will oneboard, horisontal, without cinch connector. "LP" at end sign LOW PRICE. Price of ho…

    ... one or two additional ZX bus(throught) vertical connectors (+ 5 or ... -MOUSE board will usable as BUS EXPANDER.

    PCB without ... may be used as BUS EXPANDER with reset button.

    PCB ...
    velesoft velesoft January 2016 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
  • 140 characters Basic game contestHey there, I've announced a new micro contest on my blog (in Czech language only). However, it might be interesting also for the non-Czech/Slovak …

    Hey there,

    I've announced a new micro contest on my blog (in Czech language only). However, it might be interesting also for the non-Czech/Slovak speaking people like most of you (I guess ;-) )

    The contest is about making a ...
    Factor6 Factor6 May 2016 Sinclair Basic
  • Issue 4A, tests complete fine but get odd crashing problemHi all, I've got an issue 4A which has had all of its lower RAM replaced, TR4, TR5 as well as its CPU. It originally had quite high voltages (20-3…

    ... using the ZX Spectrum Diagnostics ROM v0.33. I've ... garbage and forcing me to reset the machine. I can ... nor is the ROM. I guess the ROM could have been ... but wouldn't the diagnostics ROM highlight something with any ... I'm guessing the ROM test does some kind of ...
    Jet5y Jet5y May 2016 Hardware
  • 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
  • ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…

    ... can only replace the ZX ROM, which has 16KBytes, but the ... limitation stems from the limited bus address lines available to the ...
    RMartins RMartins May 2016 Hardware
  • R registerI'm cross-posting this as a spin-off of a [url="http://www.worldofspectrum.org/forums/discussion/52748/zx-spectrum-cartridges/p2"]thread in "Hardware…

    ... lower portion of the address bus along with a refresh control ... an instruction.

    NOTE: Reset also sets R register to ... is dumped on the address bus lower byte, just after fetch ...
    RMartins RMartins June 2016 Emulators
  • 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
  • TommyGun with Debugginghttp://goo.gl/HfSXev?gdriveurl Ok, so this is a pretty big release for me and I have added a lot of stuff into the code editor. Mainly of course …

    ... debugger; upon pressing play will reset the game (emulator) from the ...
    Added functions
    Hard Reset
    Run
    Pause
    Uses rst 0 redirection
    Need to ...
    Kiwi Kiwi July 2016 Development
  • 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
  • User can't login nor reset passwordHi all, I'm writing on behalf of user Pegaz, who is unable to log on to the WoS forum with his account. This is what's happening in his own words: …

    ... not logged.
    Tried pasword reset too, but it also does ...
    Dan Dare Dan Dare September 2016 WoS/Forum Issues
  • So it occurred to me; "Why bother with going into 48K BASIC when you can just....wrap the machine code calls inside a 'RST #28;DEFW addr:RET'?" Of course, you DO need a small M/C routine to do that, and ta-daaa, here it is: [cod…

    ... machine code calls inside a 'RST #28;DEFW addr:RET'?"
    Call48 RST #28 ; call a routine in ... the value at 'addr'
    RST #28 ; as above ^^
    ... the RST #28 to call routines in the 48-BASIC ROM, there ...
    The_Bert The_Bert September 2016 Sinclair Basic
  • 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
  • The state of source level debuggingI was just wondering if we can put on a table everything we collectively know about source level debugging for ZX Spectrum to get an overview of curr…

    ... to replace the original Sinclair ROM. For electronically-non-literates this ...
    tstih tstih October 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
<1…16171819202122…34>

Latest Posts

  • I am currently watching.....
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    John Elliott on April 21
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    rich_chandler on April 21
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    mel the bell on April 21
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    mel the bell on April 20

HitBox

Word Docs Hits
rst 1.2K 2.5K
bus 4.3K 6.5K
reset 4.8K 6.9K
rom 15.6K 29.7K

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  • 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 …
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