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<1…15161718192021…34>
  • Speaking of encrypted Roms from interfaces...Is the MicroSpeech Rom encrypted too? When examining it I've always wondered how they can print the Currah copyright on screen when there's no readab…

    ... =Cameraman;225363]Is the MicroSpeech Rom encrypted too?
    When ... readable Ascii text in the rom...
    :???:
    Frans[/QUOTE]< ... problem is putting the rom in the eprom programmer and change the ... example). You will obtain a rom that you can read :-)< ...
    Jose_Leandro Jose_Leandro November 2007 Hardware
  • Wtf??I won this NZ auction earlier this week [url]http://www.trademe.co.nz/Browse/Listing.aspx?id=116509561[/url] and have been to collect the hardware th…

    ... 's another 16K of this ROM, which we still don't ... ]

    'Fraid not - the EPROM's a [URL="http://www ...
    jp jp November 2007 Hardware
  • Faulty +2 Grey :(Hello everyone... i was trying to fix a +2 grey board the other day, i had it for some time now. It gave a black screen (paper and border) with two …

    ... 't understand how come your eprom works without the 2 diodes ...
    Marcelo Marcelo November 2007 Hardware
  • Which ROM for 128 ToastrackHi I have a Spectrum 128 Toastrack which has a missing ROM chip. I have an Eprom blower and a few 27256-25 Chips. I have looked on the Spectrum ROM …

    Try mounting the ROM in your EPROM burner and get a CRC or hash of the ROM. Then, compare the CRC with the ROMs you can download and download the other ROM.
    Zup Zup December 2007 Hardware
  • Which ROM for 128 ToastrackHi I have a Spectrum 128 Toastrack which has a missing ROM chip. I have an Eprom blower and a few 27256-25 Chips. I have looked on the Spectrum ROM …

    ... ;231523]Try mounting the ROM in your EPROM burner and get a ... CRC or hash of the ROM ... download and download the other ROM.[/QUOTE]

    The original ... the spectrum had a missing rom, so how do you propose ...
    MrCheese MrCheese December 2007 Hardware
  • Which ROM for 128 ToastrackHi I have a Spectrum 128 Toastrack which has a missing ROM chip. I have an Eprom blower and a few 27256-25 Chips. I have looked on the Spectrum ROM …

    ... the spectrum had a missing rom, so how do you propose ... /> 1. Read contents of the ROM you have, get a CRC ...
    4. Burn to EPROM the downloaded ROM that has a different ... CRC to the ROM from step (1) since this ...
    Winston Winston December 2007 Hardware
  • Which ROM for 128 ToastrackHi I have a Spectrum 128 Toastrack which has a missing ROM chip. I have an Eprom blower and a few 27256-25 Chips. I have looked on the Spectrum ROM …

    ... . Read contents of the ROM you have, get a ... /> 4. Burn to EPROM the downloaded ROM that has a different ... CRC to the ROM from step (1) since ... this is the missing ROM.[/QUOTE]

    ... have a socket for one ROM chip, The Circuit Board ...
    Martin Baugh Martin Baugh December 2007 Hardware
  • Where shall I start to look ?I got hold of a faulty 48k, Issue 6. It displays a picture like shown below: [URL]http://www.gjelberg.no/miscpics/speccyfault.jpg[/URL] Some of the…

    Finding a rom is a bit difficult. But you can flash an eprom instead and do an easy mod in order for the board to work with an eprom.
    If you or a friend has an eprom flasher its rather easy.
    gtsamour gtsamour December 2007 Hardware
  • Where shall I start to look ?I got hold of a faulty 48k, Issue 6. It displays a picture like shown below: [URL]http://www.gjelberg.no/miscpics/speccyfault.jpg[/URL] Some of the…

    ... .uk/Dual-Power-Willem-EPROM-Programmer-27C256_W0QQitemZ150196621553QQihZ005QQcategoryZ4661QQrdZ1QQssPageNameZWD2VQQcmdZViewItem?_trksid=p1638. ... capacity) blanc eprom in order to write the 48k rom. You ... one that comes with the eprom writer for example).
    ...
    gtsamour gtsamour December 2007 Hardware
  • Where shall I start to look ?I got hold of a faulty 48k, Issue 6. It displays a picture like shown below: [URL]http://www.gjelberg.no/miscpics/speccyfault.jpg[/URL] Some of the…

    ... , and connect the two upper ROM chip base pins. The only ... connect pin27 depending of what eprom you use.
    gtsamour gtsamour December 2007 Hardware
  • sinclair zx spectrum issue 6a (again) - how to repairHi All, Is there someone who may explain what these jumpers can be used for. [url]http://forest.no-ip.org/repair/jumpers.gif[/url] <- this is from …

    ... everything connected right with the ROM ?

    From these pictures ... the "How to put an EPROM in your speccy" web page ... resistors required to replace the ROM with an EPROM.

    -- Richard
    Phu Phu February 2008 Hardware
  • Eprom blowerdoes anyone know a site with plans for an eprom programmer project that'll blow 27C256s. I attempted to build one called Kisseprom, but the software …

    ... M27C256 (ST brand) eprom chip using my willem eprom writer (at 12 ... from the chip with the rom file i initially burned, there ... i started checking (verifying) every eprom i had written so far ...
    gtsamour gtsamour February 2008 Hardware
  • Eprom blowerdoes anyone know a site with plans for an eprom programmer project that'll blow 27C256s. I attempted to build one called Kisseprom, but the software …

    ... the chip with the rom file i initially burned, ... could have a bad Eprom. Or voltages were different ... started checking (verifying) every eprom i had written so ... br />
    The EPROM wasn't completely erased. VCC ... might erase an uncovered EPROM... the UV at the ...
    csmith csmith February 2008 Hardware
  • Which is the best spectrum to have ?Just wanted to know which is the best Spectrum to have as i know some have more bugs than others. All i wanted it for was to play games on both 48k …

    ... blowing them to a 27C256 Eprom.

    This would do ... twice (These machines have 2 eprom slots - mostly extra stuff to ... need to put the same rom in both slots so the ... accidentally pages in the other rom.

    Finally - once you ...
    thingley thingley March 2008 Hardware
  • Plus D and Multiface128 romsI have ordered a Multiface128 but i belive i need a diferent rom for it can i use and eprom for this and what is the latest +d rom, i have 1A, if th…

    Anyidea if i can get the rom incase the one i get dont have it so i can put it to eprom?
    caver99 caver99 March 2008 Hardware
  • +3!Just got my first ever Amstrad made Spectrum - a +3. Just my luck that the discs that came with it - nearly all of the pre-recorded game discs are c…

    ... /> Winston doesn't have an eprom programmer?! I'm rather surprised ... use NOR flash for everything ROM-like, it's so much ... Spectranet prototyping with UV erase eprom rather than flash!

    EPROM programmer though, given that I ...
    Winston Winston March 2008 Hardware
  • fao Winston, Flash romssince you are an expert on flash roms :) do you know how a spectrum +3 can be modified to use flash chips from old motherboard bios chips etc? the r…

    ... couldn't flash an internal rom because it's using it ... is not Flash, just ordinary EPROM. Can not program in circuit ...
    piters piters March 2008 Hardware
  • fao Winston, Flash romssince you are an expert on flash roms :) do you know how a spectrum +3 can be modified to use flash chips from old motherboard bios chips etc? the r…

    ... is not Flash, just ordinary EPROM. Can not program in circuit ... use a single 29ee011 flash rom containing the two 32k images ...
    guesser guesser March 2008 Hardware
  • Emulators on the ZX SpectrumHaving released a Spectrum 16K emulator for Spectrum 48/128 machines as part of CCG2008, I was wondering if anybody knows of any emulators which actu…

    ... 2008 ) released a Jupiter ACE ROM adaptation to the Spectrum, adding ... this fits in a 16K Rom Paul Farrow is interested to ... add to his collection ROM's.

    Paul uses ... since he can use an Eprom followed by 32K RAM and ...
    Dr BEEP Dr BEEP March 2008 Emulators
  • Replacing original 48k roms with...Hi, is it possible to replace (without serious hardware modifications) the original 16k ROM on a Spectrum 48k with an Eprom programmed with ROM take…

    ... Spectrum 48k with an Eprom programmed with ROM taken from some Spectrum ... possible, what ROM chip should I replace and what Eprom chip I ...
    Dr BEEP Dr BEEP March 2008 Hardware
  • Replacing original 48k roms with...Hi, is it possible to replace (without serious hardware modifications) the original 16k ROM on a Spectrum 48k with an Eprom programmed with ROM take…

    ... quite easy to replace the ROM via the edge connector. My ... from the Spectrum - no separate eprom or flash programmer is required ...
    Winston Winston March 2008 Hardware
  • BASIC Keyword ReferenceHi. I do most of my ZX work on a grey-case +2 which, as we all know, is devoid of most of the 48k BASIC keywords (it has LOAD and stuff, but not much…

    ... could always switch your ROM for an EPROM containing the Gosh Wonderful ... ROM which is designed for maximum ...
    Dr BEEP Dr BEEP March 2008 Sinclair Miscellaneous
  • BASIC Keyword ReferenceHi. I do most of my ZX work on a grey-case +2 which, as we all know, is devoid of most of the 48k BASIC keywords (it has LOAD and stuff, but not much…

    ... could always switch your ROM for an EPROM containing the Gosh Wonderful ... ROM which is designed for maximum ... had considered that - the GW ROM is quite nice. However, with ...
    icabod icabod March 2008 Sinclair Miscellaneous
  • MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…

    ... RAM and 64kB EPROM (native MB02+ has 2KB EPROM and at minimum ... S-RAM.
    The ZX ROM is disabled after start except ... in normal ZX-ROM.

    After Reset EPROM with a boot ... page is mapped instead of ROM.
    All RAM on MB02 ...
    ingo ingo April 2008 Development
  • Blown standard divideI recently bought a SIY divide kit from Papaya labs and after i soldered everything, it worked perfectly. I've used it 5-6 times without problems (Fa…

    ... BC337 is for disabling the ROM inside ZX Spectrum. If ... it pemanetly disables ZX ROM in this case no ... nomally (because RAM aand ROM are deselected). If not ... RAM or ROM chip are blown (ouput ... blew the ZTX650 had an eprom installed and was modified ...
    gtsamour gtsamour April 2008 Hardware
  • BetaDisk InterfaceHi, I have a beta disk interface - alas it must be one of the earlier versions and will not work with a 128K spectrum. Does anyone know if I can ge…

    ... re-programming the ROM with the v5 128K EPROM?[/QUOTE]

    ingo ingo April 2008 Hardware
  • IF2 Rom snapshot creationHi, is it possible convert a Speccy 16k snapshot to a Interface 2 Rom file? I've the original Ultimate Pssst, Cookie, Trans-am and Jetpac tapes and …

    ...
    15 PRINT "Copying ROM - please wait"
    20 ... We are creating our new ROM at address 32768. The ... ;as per normal Sinclair Rom
    B207 LD HL ... sysvar CHARS as per Sinclair Rom
    B22F IM 1 ... Burn this file to an EPROM (or modify your emulator to ...
    Jimmy Jimmy April 2008 Emulators
  • Speccy 128 QuestionMainly for the experienced speccy resurecters around these parts. Have you ever had a Speccy 128 with a borked TEA2000 video chip? The reason I ask…

    ... to own an interface 2 rom cart to use the 128K ... can flash a 27C256 eprom chip with this rom then all you ... desolder the 128K spectrum's rom chip, solder a base in ... and plug in the test eprom. After that (if everything checks ... replace again with the original rom.
    gtsamour gtsamour April 2008 Hardware
  • Sinclair 128K+ Rom dead?While repairing one of these boards my mind was elsewhere and I put the rom back in the wrong way round and now it doesnt work (scrambled screen) alt…

    ... that an Eprom - that is definitely an eprom that is ... it is a reprogrammable eprom from the round ... originally have a non-wipeable eprom chip too.

    rom before you?
    ... rom if you don't mind paying for a blank eprom ...
    thingley thingley April 2008 Hardware
  • Sinclair 128K+ Rom dead?While repairing one of these boards my mind was elsewhere and I put the rom back in the wrong way round and now it doesnt work (scrambled screen) alt…

    Hi thanks for the reply, as far as im aware they all have this chip. I have 3 128ks and they all have it. How much for a new blown eprom thingley? I have many grey +2's and your quite right they all have an amstrad rom and does work in the earlier 128k+'s.
    ZX-MAD ZX-MAD April 2008 Hardware
<1…15161718192021…34>

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