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Search Again :: Adv Search 1000 results in 0.046s
<1234567…34>
  • 16K/48K Lower RAM (4116) replacement.You may want to read [URL="http://www.worldofspectrum.org/forums/showthread.php?t=37957"]this thread[/URL] for background information on the quest t…

    ... the lower RAM that works in all 16K/48K Spectrums ... in an issue 2 Spectrum with a 5C ULA, ... that appear on the lower RAM address lines. In particular ... this is the ZX Spectrum Lower RAM Replacement Module, pictured below ... in the issue 2 Spectrum I've been using ...
    Zorn Zorn May 2013 Hardware
  • ZX Spectrum upper RAM module (4532/4164 replacement)Following the [URL="http://zx.zigg.net/LRR/"]lower RAM replacement module[/URL], there have been quite a lot of requests for something similar for th…

    ... ://zx.zigg.net/LRR/"]lower RAM replacement module[/URL], there have ... for the upper 32K RAM in a Spectrum.

    I am ... as the lower RAM replacement and emulates dynamic RAM.

    Here ... you want to upgrade a 16K Spectrum and will need the support ...
    Zorn Zorn July 2013 Sales
  • 16k and PEEK 40000 (on a real 16k Spectrum)?Imagine a real 16k Spectrum (without any RAM expansion or circuits fitted). What would I get if I do a PEEK or try to access memory over 32767? Wo…

    Imagine a real 16k Spectrum (without any RAM expansion or circuits fitted). What ...
    Zup Zup June 2020 Hardware
  • Playtester Required for new 16K Spectrum gameAs some of you might be aware, for the last 2 or 3 months I have been working on an extended version of my 2003 minigames competition entry Amusement…

    ... Amusement Park 4000 for the 16K Spectrum. Until now Fun Park has ... been developed on a 48K Spectrum emulator, but as the project ... this game on a genuine 16K machine.

    With this ... playtest this game on a 16K model and report any bugs ...
    jonathan jonathan December 2003 Sinclair Miscellaneous
  • The 16k Spectrum HELPCan anyone tell me did the cicuit board for the 16k spectrum have sockets for the extra memory chips or were the chips soldered directly to the board…

    Can anyone tell me did the cicuit board for the 16k spectrum have sockets for the extra memory chips or were the chips soldered directly to the board ???????????
    swordheart swordheart November 2004 Sinclair Miscellaneous
  • Spectrum lost upper memoryHi again, I have a Rubber key Spectrum(issue 4S) which lost it's whole upper memory. It's worked okay, but i forgot it on over last night. My son wa…

    ... Set Willy, Knightlore...with old Spectrum ). So i load it ... because i have another Spectrum which had also upper ... said that i have 16K Spectrum which RAM/ROM is in ... 32K Ram pack which i plugged in to Spectrum and ... that i have 48K Spectrum with RAM/ROM OK.
    ...
    lillaolle64 lillaolle64 September 2010 Hardware
  • Relocating a block of code as to work on a 16k spectrumI've written a game in from 50000 to 65535 and was wondering if there were any way to relocate the entire block of code to work on a 16k Spectrum. I…

    ... code to work on a 16k Spectrum.

    Is there any ...
    daveysludge daveysludge February 2013 Development
  • ZX Spectrum+ showing 16K of RAMHello again, as the title says my ZX Spectrum+ is showing only 16K of RAM instead of 48K when running a memory check. [url="http://www.1000bit.it/su…

    ... says my ZX Spectrum+ is showing only 16K of RAM instead of 48K ... motherboard of a Spectrum+, and not of an original 16K Spectrum.
    That ... how to identify the faulty RAM chip, but I seriously have ...
    vale vale July 2017 Hardware
  • ram unity for 16k allows also to plug a joystick?hello I?d like to know if a RAM interface for a 16k spectrum allows also to plug, together, a joystick? Thanks

    hello

    I?d like to know if a RAM interface for a 16k spectrum allows also to plug, together, a joystick?

    Thanks
    unixxx unixxx February 2009 Sinclair Miscellaneous
  • Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…

    ... buy an Issue One 16k rubber key the other ... with this one. The Spectrum as it stands now ... distinct buzzing sound from the Spectrum (not the speaker) ... br /> Assuming it is the RAM, is there a standard recommendation ... want to modify this Spectrum too much, I can ...
    Trafferth Trafferth May 2013 Hardware
  • 16k spectrum crash?Hi, I have just been given a spectrum 16k. I plugged it in and it worked, but after turning the machine off and connecting the 32k (cheetah) memory …

    ... have just been given a spectrum 16k. I plugged it in and ...
    eset eset February 2003 Sinclair Miscellaneous
  • Brand New SPECTRUM 16K Release from CronosoftJonathan Cauldwell's new game FUN PARK - the special exclusive and expanded version of the excellent Amusement Park 4000 is now available. With many…

    ... , but still runs on a 16K Spectrum.

    It's available ...
    chaosmongers chaosmongers March 2004 Announcements
  • 16k Spectrum.How come emulator's in 16k mode don't provide 32 ram-pack support.

    How come emulator's in 16k mode don't provide 32 ram-pack support.
    chop983 chop983 February 2007 Emulators
  • Problem upgrading 16K SpectrumHello Spec-chums, I've been a long time Commodore user, but also a long-time Speccy admirer (and emulator user). I've recently got hold of a Issue 2…

    ... discovered that it was a 16K model, but reading the ... machine froze on start-up RAM-test, showing a white ... one of the 4164 RAM chips allows it to ... has 16K.

    I've tried juggling the RAM chips ... 16K is recognised.

    I'm guessing one of the RAM ...
    Layden Layden October 2008 Hardware
  • Broken ram or what?Hi! I own ZX Spectrum 48K. When i run command PRINT PEEK 23732 + 256 * PEEK 23733, I should get answer 65535? But i get 49151. In my machine the upp…

    ... !

    I own ZX Spectrum 48K. When i run command ... correct because i now had 16K Spectrum.
    So i bought 8 ... test program which can test ram. It also says that machine ... has broken ram. And if i remove upper ...
    lillaolle64 lillaolle64 July 2010 Hardware
  • 16k, 48k Spectrum, ZX Interface and moreI'm cleaning up before a move, so I'm selling nearly all my spectrum stuff. This includes one 16k spectrum, one 48k spectrum, books, tapes, ZX interf…

    ... all my spectrum stuff. This includes one 16k spectrum, one 48k spectrum, books, tapes ... -en-software/454399288-2x-zx-spectrum-met-data-recorder-boeken-tapes ...
    mvaniersel mvaniersel June 2011 Sales
  • Justin Beeper - new demo for the unexpanded 16K Speccy[img]http://pouet.net/screenshots/57726.png[/img] This was my entry for this weekend's [url=http://www.sunrisedemoparty.co.uk/]Sunrise[/url] demo pa…

    ... real scene demo for the 16K Spectrum [i]without[/i] AY chip ... of fast memory on the 16K means that you can't ... . And doing everything in contended RAM means you're quite constrained ...
    gasman gasman September 2011 Announcements
  • Difficult to find upper RAM fault.I've recently repaired an issue 3B 48K Spectrum that had a tricky to diagnose upper RAM fault, so I thought I'd post a report of what I found here. …

    ... 3B 48K Spectrum that had a tricky to diagnose upper RAM fault ... a 16K Spectrum. This usually indicates a fault with the upper RAM or ... could run happily as a 16K Spectrum for hours.

    On ... the Spectrum's CPU and capturing the time when the RAM-READ ...
    Zorn Zorn April 2012 Hardware
  • Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…

    ... 16K Spectrum ROM
    2. Replace it with a static RAM ... people cry. This new 64K Spectrum - how the hell does ... of code into the Spectrum's RAM and jumps to it ... its original ROM - the Spectrum's PCB is not ... the lower 16K of address space, so the RAM's chip ...
    Winston Winston August 2012 Hardware
  • Some stupid 16K questions...Starting with... 1. Should a 16K Spectrum that's been upgraded to 48K behave [I]exactly[/I] like a 48K Spectrum? i.e. should the machine test/clear…

    ... ...

    1. Should a 16K Spectrum that's been upgraded to ... ]exactly[/I] like a 48K Spectrum? i.e. should the machine ... /clear the entire 48K of RAM on start up, and should ... to see the upper 32K RAM on such a machine to ...
    snigfarp snigfarp December 2012 Hardware
  • Spectrum Ram UpgradeHi, I am looking to upgrade my 16K Spectrum to 48K. I have some 41256 dram chips from an old QL memory expansion, can the Spectrum us the large…

    ... am looking to upgrade my 16K Spectrum to 48K.

    I ... QL memory expansion, can the Spectrum us the larger 32K chips ... . Assuming the Spectrum will only recognise 8K per ...
    doubledecca doubledecca August 2015 Hardware
  • ZX Spectrum video waveformsAll work for this post was done on a ZX Spectrum issue 1 board (16k bytes of RAM only). This was what the Spectrum displayed on the TV screen: [i…

    ... on a ZX Spectrum issue 1 board (16k bytes of RAM only).

    This was what the Spectrum displayed ... />
    Screenshot 01 ZX Spectrum issue 1, one video 'TV ... />
    Screenshot 02 ZX Spectrum issue 1, one video 'TV ...
    1024MAK 1024MAK September 2016 Hardware
  • Another 48k Speccy acting as a 16K model.Hi all, I originally was going to post asking for help to fix the new addition to my family a very nice condition Issue 2 sold on ebay as a 16K model…

    ... on ebay as a 16K model with a faulty ... presume it was an upgrade (OKI ram chips Btw)
    She ... the memory test....oh dear 16k.
    So basically I ... works fine as a 16k so I thought sod it ... must go to ground..... (OKI ram low enabled)......ahhhhh maybe this ...
    povvercrazy povvercrazy April 2017 Hardware
  • Boots compilation "10 Titles for the Spectrum Plus" protected by speedlock 2http://www.worldofspectrum.org/infoseekid.cgi?id=0013156 it appears that the first tape uses speedlock 2 protection scheme for the following ultim…

    ... the 48K ram which makes Jetpac, Cookie, Pssst incompatible with 16K spectrum.
    4Ocrisis 4Ocrisis June 2017 Games
  • Help put this back to 16kSo this issue 2 arrived today and ive opened it up just to nosey and confirm that infact it is an issue 2. Now from the help offered in an earlier po…

    ... a few connections so that OKI RAM will work. The issue 2 ... default only supports TI RAM for the upper RAM.

    If ... it into an un-upgraded 16K Spectrum (I'm not sure why ... this), remove all the upper RAM ICs along with whatever is ...
    Zorn Zorn August 2014 Hardware
  • Sudden death of ZX Spectrum 48KHello A friend gave me a 48K rubber keyed Spectrum. I brought it home, hooked it up to my little TV and powered it up. I was very happy to see t…

    ... it was supplied with a RAM upgrade kit, however. It ... wire the address connections for OKI RAM when the appropriate link ... the Spectrum further if I remove the socketed upper RAM chips ... upper RAM failure if the Spectrum initializes and works as a 16K machine ...
    memrah memrah December 2015 Hardware
  • Another 48k Speccy acting as a 16K model.Hi all, I originally was going to post asking for help to fix the new addition to my family a very nice condition Issue 2 sold on ebay as a 16K model…

    [quote="balford;903720"]OKI RAM is not supported ... It appears you must have OKI RAM chips which function as ... they produce which upper RAM IC's are faulty ... returned answers for a 16k spectrum not a faulty 48k ... not access any upper ram with pokes, hence this ...
    povvercrazy povvercrazy April 2017 Hardware
  • Original Spectrum SoftwareHello, I have a box of original Sinclair Spectrum software, mostly on cassette. I'd be interested in selling the stuff; I'm open to offers. …

    ... />
    Games:
    3D Tunnel 16k Spectrum 1983
    Ant Attack 48k ... Spectrum/+ 1984
    Spectrum Monitor 16/48k Spectrum 1983
    Trans-Express 48k Spectrum ...
    scott scott November 2001 Sales
  • NEW SPECTRUM RELEASE from CronosoftJonathan Cauldwell's new game FUN PARK - the special exclusive and expanded version of the excellent Amusement Park 4000 is now available. With many…

    ... , but still runs on a 16K Spectrum.

    It's available ...
    chaosmongers chaosmongers March 2004 Games
<1234567…34>

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