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<1…14151617181920…34>
  • Would Anyone Be Willing/Able To Burn Me A RomI would Like If Possible For Someone To Burn Me A Custom 32k Rom But I Would Also Need The Chip Supplied Which Cuts Down My Chances Of Someone Being …

    ... Burn Me A Custom 32k Rom But I Would Also Need ...
    zedexspectrum zedexspectrum July 2014 Hardware
  • 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…

    ... a single enhanced capacity virtual Microdrive (all without the need ... routines in the Spectrum ROM, using the ROM cartridge as a ... functionality available from the Spectrum ROM.


    ... . This issue affects ZXC3 ROM cartridges (the Direct Run ...
    Macc Macc July 2014 Hardware
  • MicrodriveHi, I'm trying to emulate the microdrive, and to analyse the data structure on the cartridges. But my measurement of the timing of the signals differ…

    ... 'm trying to emulate the microdrive, and to analyse the data ... by Ian Logan in "The microdrive universe". In particularly, the band ...
    HZJ HZJ August 2014 Hardware
  • Microdrive repair - GREAT NEWS!Microdrive repair facts: We know (almost) pure alcohol and cotton swabs are needed a lot to clean the Microdrive head. We know cartridges degrade, so…

    ... a lot to clean the Microdrive head.
    We know ... But from my last months Microdrive lot check&repair run ... Most often they resulted in 'Microdrive full', so 0K available, after ... /> And new ones on another Microdrive:
    [IMG]http://benophetinternet.nl ...
    bverstee bverstee September 2014 Hardware
  • Sinclair's Cancelled ProjectsDoes anybody have anymore info on any of these projects or are there any old Sinclair engineers on the Spectrum scene that could shed a little more l…

    ... implemented in two chips, using ROM and (non-volatile) RAM cartridges ... CPU, a built-in ZX Microdrive and a new 512?192 ...
    Rebelstar Rebelstar September 2014 Development
  • Spectrum Test Program into ROM cartridge?Hello! I need your help! Is there away to put [URL="http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Files/Cassette_Files/Test_Program.tz…

    Hello! I need your help!
    Is there away to put [URL="http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Files/Cassette_Files/Test_Program.tzx"]this program[/URL] into a Rom cartridge?
    Many thanks in advance.
    Saltor Saltor September 2014 Sinclair Miscellaneous
  • QL microdrive units (x2)Found two old microdrive units I ripped out of a QL many moons ago. Just the bare units, no fancy cases etc. I have NO idea if they're any use for …

    Found two old microdrive units I ripped out of ...
    DEATH DEATH September 2014 Sales
  • 404 for Retroleum's daignostic ROM: Request.[url]http://www.retroleum.co.uk/electronics-articles/a-diagnostic-rom-image-for-the-zx-spectrum/[/url] I'm getting access denied when I try to downl…

    ... .uk/electronics-articles/a-diagnostic-rom-image-for-the-zx-spectrum ... try to download the Diagnostic ROM, I've just emailed the ...
    Korinel Korinel October 2014 Hardware
  • Microdrive usageAnyone here know about microdrive files? Had a few carts in, all have stuff on, heres an example cat 1 with the error message i get for every single …

    Anyone here know about microdrive files? Had a few carts ...
    Macc Macc November 2014 Sinclair Miscellaneous
  • JET PAC ROM & INTERFACE 2Hi - I have two items for sale either singularly or together- A working Interface 2 and a working Jet Pac ROM cart- (in box but no instructions) I am…

    ... and a working Jet Pac ROM cart- (in box but no ...
    retromad retromad December 2014 Sales
  • 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
  • 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
  • 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
  • Loads of Microdrive cartridges on Ebay plus Vortex RAMI?ll be selling three bundles of eight Microdrive cases with four, used cartridges each, means 32 cartridges per bundle, here?s one of them [img]http…

    ... selling three bundles of eight Microdrive cases with four, used cartridges ...
    schombi schombi February 2015 Sales
  • 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
  • IF1 Network not working<p>Dear all,</p><p>I am looking for some hint or advice to get the Network on my IF1 running again. I have in total 3 IF1 where at 2 of them the Netw…

    ... get the Network on my IF1 running again. I have in ... total 3 IF1 where at 2 of them ...
    maskenlos maskenlos June 2015 Hardware
  • LARGE BATCH OF 144 SINCLAIR QL/ZX SPECTRUM MICRODRIVE CARTRIDGES RESPONGED!!!http://www.ebay.co.uk/itm/LARGE-BATCH-OF-144-SINCLAIR-QL-ZX-SPECTRUM-MICRODRIVE-CARTRIDGES-RESPONGED-/171855953414?pt=LH_DefaultDomain_3&hash=item280…

    ... -144-SINCLAIR-QL-ZX-SPECTRUM-MICRODRIVE-CARTRIDGES-RESPONGED-/171855953414?pt=LH_DefaultDomain_3 ...
    ranma_simon ranma_simon July 2015 Sales
  • 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
  • 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
  • Non working IF 1 and Microdrive for museum exhibition display also working SpectrumAs said above, I am looking for an Interface 1 and a Microdrive unit (plus one microdrive) for a exhibition display. it need not work but should be i…

    ... Interface 1 and a Microdrive unit (plus one microdrive) for a exhibition ... be in reasonable condition (ie microdrive shouldn't look like its ...
    GameOn GameOn October 2015 Wanted
  • 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
  • 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
  • Opus DiscoveryWould anyone have any materials about programming the Opus Discovery disk? I know it overrides ROM and uses microdrive commands, but I am more into b…

    Would anyone have any materials about programming the Opus Discovery disk? I know it overrides ROM and uses microdrive commands, but I am more into bare metal programming (writing a driver for it myself).
    tstih tstih February 2016 Development
  • 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
<1…14151617181920…34>

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HitBox

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if1 1K 1.6K
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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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  • 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…
  • What causes microdrive capacity reduction ... when the microdrive is a vDrive-ZX?I've just had my Spectrum 48K and Interface 1 refurbished and have bought a vDrive-ZX.<br /> <br /> I'm finding that I cannot copy my Microdrives t…

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