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Search Again :: Adv Search 1000 results in 0.013s
<1…16171819202122…34>
  • Strange ROM in grey +2I got a grey +2 for repair and I got it working. However, when I did some final testing, I realized there were no key-clicks either in 128K or 48K mo…

    ... expect. I pulled out the ROM and replaced it with a ... /> I wonder what is this ROM, are there any other modifications ...
    schombi schombi December 2014 Hardware
  • Converting a 16K speccy in +3??Yes, you heard right. A new interface to convert a 16Kb speccy into a Spectrum+3 have been developed. [IMG]https://lh6.googleusercontent.com/N2eAoz5…

    ... the next version).
    - Flash ROM writting from the speccy.
    shadow RAM will works fine.
    wilco2009 wilco2009 December 2014 Hardware
  • Need help finding multuface rom identification tap fileI've just recently got my first mf1 and I think it may be early it has a pass through and the hole in the case for the joy but no connector and in th…

    ... /> Maybe some body has the rom id tap file drop boxed
    zedexspectrum zedexspectrum December 2014 Hardware
  • Shadow Skimmer source codeI found a mention from many years ago (2002) about the author of Shadow Skimmer releasing the source code but the webpage not being available anymore…

    ... (2002) about the author of Shadow Skimmer releasing the source code ...
    Metalbrain Metalbrain December 2014 Support files
  • ROM Calculator TrigHello, These Christmas holidays I finally have time to devote myself a little to the speccy . I have a question about how the ROM calculator implem…

    ... a question about how the ROM calculator implements cosine.

    ROM just a simpler procedure.
    rtunes rtunes December 2014 Development
  • ZX rom type detectionHere is routine for fast detection of zx rom / computer model. [URL="http://velesoft.speccy.cz/other/ZXROMDETECT.zip"]http://velesoft.speccy.cz/othe…

    ... for fast detection of zx rom / computer model.

    [URL ... +2 SPANISH
    255 = UNKNOWN ROM

    Source code:
    rom type from 48basic rom.
    I compare ... . Only original ZX Spectrum 48 rom contain byte #BF at address ...
    velesoft velesoft January 2015 Sinclair Miscellaneous
  • Rom questionHi Can .rom files be viewed? I am curious to what the .rom file looks like. I saw some versions that have been modified and have source code to vie…

    Hi

    Can .rom files be viewed? I am ... curious to what the .rom file looks like.


    So is a rom file just compiled assembly code ...
    username username February 2015 Emulators
  • ZX81 SP ROM Disassembly<div>Hi All,</div><div><br></div><div>For anyone who is interested in ZX81 Assembler and ASZMIC ROM...</div><div><br></div><div>I have created a disa…

    ... in ZX81 Assembler and ASZMIC ROM...
    I have created ... disassembly of the Comprocsys SP ROM for ZX 81 froman ... conjunction with the Comprocsys ASZMIC ROM or without (via ZX81 BASIC ... commands).
    SP ROM Disassembly Xcode project is available ...
    dbolli dbolli June 2015 Sinclair Miscellaneous
  • 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
  • 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
  • Rom routine for pixel addressDear all, Having my bi-annual 'lets try machine code' project again and have come up with a problem with the pixel address rom routine at 8874. …

    ... problem with the pixel address rom routine at 8874.

    Going by the ZXSpectrum Rom Dissassembly book, I'm trying ...
    Tobo Tobo September 2015 Development
  • 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 - ... .
    The memory paging port is compatible with ...
    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
  • Shadow of the Unicorn loader for +2A / +3hi, i have tried to load SotU with the [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0023000"]RAM loader from Fraser Ross[/url], which is l…

    ... uses ram page #4 for rom, and ram page #4 should ...
    Kio Kio February 2016 Games
  • 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
  • Shadow Gangs, 80's arcade inspired ninja game.Hi Everyone; It's my first post here and I would like to introduce a new game in the making, in an effort to give it as much visibility as possibl…

    ... the likes of Shinobi and Shadow Warriors and other 80's ...
    ShadowGangs ShadowGangs May 2016 Chit chat
  • +2 Gray ProblemI'm trying to repair a +2 gray that behaves differently at every boot up. Some rare times I can get the selection window but pretty soon the characte…

    ... away. I then replaced the rom with a flash eprom containing ... .
    Also the message "RAM Paging Works Correctly" at the bottom ...
    gtsamour gtsamour 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
  • 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
  • Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …

    ... to using the 128K's shadow screen area and I can ... writing to and displaying the shadow screen
    ld b, 7 ...
    ld c, 8 ; Screen Shadow
    call change_bank
    call ... 3 : Select normal (0) or shadow (1) screen to be displayed ...
    pointblnk pointblnk August 2016 Development
  • DIVMMC interface versus DIVIDE interfaceDIVMMC/PICODIVSD/DIVSDNANO is one same device with identical CPLD chip and same memory/features. DIVMMC use 8kB of eeprom with code for boot system f…

    ... use only 40kB. Memory paging is copy of old version ... = support only easy memory mapping/paging and mapram mode. Allram mode ... ALLRAM mode with 16kB paging instead zx rom and with selectable writeprotect ... possible connect PATA HDD,CD-ROM,DVD or IDEtoCF,IDEtoSD, ...
    velesoft velesoft August 2016 Hardware
  • 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
  • Shadow of the Beast review:New review at Spectrum Paradise, it's turn for the impressive Shadow of the Beast, an excellent game with nice and neat graphics, smooth animations a…

    ... 's turn for the impressive Shadow of the Beast, an excellent ... .blogspot.com.es/2016/10/shadow-of-beast.html
    Danae's Fan #1 Danae's Fan #1 October 2016 Games
<1…16171819202122…34>

Latest Posts

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shadow 3.8K 4.5K
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 …
  • 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.<br /> <br /> It´s working on TR-DOS v4 / Betadi…
  • 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…
  • Currah uSpeech ROM Paging and BootyHi,<br /> <br /> When I emulated the Currah uSpeech for [url="http://www.inkland.org.uk/inkspector"]InkSpector2[/url], I made it page in its own RO…

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