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<1234567…34>
  • 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 ... get if I do a PEEK or try to access memory ...
    Zup Zup June 2020 Hardware
  • 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 thread ... PEEK 23732 + PEEK 23733 * 256 reveals that the system still only has 16K ... up fine, but still only 16K is recognised.

    I ...
    Layden Layden October 2008 Hardware
  • 16k --> 48kI bought a zx and found out it was a 16k since when I execute PRINT PEEK 23733 I get 127 Does it mean I get a lesser model? What limitations do I h…

    ... was a 16k since when I execute
    PRINT PEEK 23733
    camurso_ camurso_ December 2012 Hardware
  • When is a 16k not a 16k ?Can anyone explain what this machine is supposed to be ? Speccy with a 16K sticker on the base. Doing a peek 23733 returns 255 so a 48K ? Opened …

    ... a 16K sticker on the base.

    Doing a peek 23733 ... was a 48K running as 16K ? Bit confused unless the case ...
    Retro-J Retro-J September 2013 Hardware
  • 48K Issue 2 Spectrum showing exactly 16KI've acquired an issue 2 and it quickly became clear that only 16K of memory is available. I've read that some early 48K Spectrums with malfunctionin…

    ... quickly became clear that only 16K of memory is available. I ... upper RAM were sold as 16K versions. All IC slots are ... />
    PRINT PEEK 23732 + PEEK 23733*256 returned 32767. 16K games load and ...
    LoonyJetman LoonyJetman August 2016 Hardware
  • Detecting Spectrum modelsIs there any sure-fire way a program can detect the model of machine it's running on (48K, +, 128, +2, +2A, +3, clones) even when running in the 48K …

    ... -fire way a program can detect the model of machine it ... ).

    If PEEK 19 gives 255 then PEEK 1540 will give ... Sinclair machine and
    PRINT PEEK 75 will give 110 if ... 's a 16K machine else 255.

    PRINT PEEK 23734 will ...
    Geoff Geoff March 2009 Development
  • 48K BASIC to ZX81 BASIC conversion possible?Looking for an automated way of converting a BASIC program done on a 48K Spectrum to one for the ZX81. It's obvious that some things cannot be done o…

    ...

    (insert stuff about PEEK/POKE/machine code here - someone ... doesn't work (easy to detect, much harder to automatically change ... , so just detect if backspace is ever printed ... 't going to fit into 16k (ZX81 + RAM pack), warn ...
    Muzer Muzer November 2009 Sinclair Basic
  • 48K BASIC to ZX81 BASIC conversion possible?Looking for an automated way of converting a BASIC program done on a 48K Spectrum to one for the ZX81. It's obvious that some things cannot be done o…

    ... />

    (insert stuff about PEEK/POKE/machine code here - someone ... doesn't work (easy to detect, much harder to automatically change ... , so just detect if backspace is ever printed ... 't going to fit into 16k (ZX81 + RAM pack), warn ...
    rich_chandler rich_chandler November 2009 Sinclair Basic
  • 48K Speccy Repair Log.Some people may know my love for writing up my repairs of arcade PCBs on various forums so thought I would do the same for this little fella. Had th…

    ... presume this, because a 16K machine has sockets on upper ... is that the fourth 16K page is mirrored from ... your log that the PEEK test didn't give ... or a 16K result. If your PEEK was PEEK 23732+256*PEEK 23733, ... displayed allows me to detect which bit is causing ...
    mcleod_ideafix mcleod_ideafix August 2010 Hardware
  • Corrupt paper on zx spectrum 48kHi. When I power up my spectrum (issue 3) I get the light grey border, but the paper is black and it switches between thin red vertical lines and thi…

    ... way to detect a bad RAM chip without using the peek/poke ... try to operate as a 16k RAM only computer. You may ...
    1024MAK 1024MAK August 2013 Hardware
  • How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…

    ... as well all this peek and attr to detect what was where ...
    Andy Gurr Andy Gurr January 2002 Games
  • Spectrum 16k and Printer for saleFor sale. Boxed Sinclair Spectrum 16k with manuals and original electrostatic printer with paper. Also I'll include any magazines and games I can fin…

    For sale. Boxed Sinclair Spectrum 16k with manuals and original electrostatic printer with paper. Also I'll include any magazines and games I can find!

    Make me an offer for the whole lot. I live in Reading UK. Regards, Andrew.
    Andrew Andrew January 2001 Sales
  • Favourite 16K gameThe Spectrum had many classics, but few talk about the early 16K ones- they had a simplicity that the later 48K games traded off for technical depth,…

    ... few talk about the early 16K ones- they had a simplicity ... , and maybe atmosphere. My favourite 16K game is Deathchase, and it ... is everyone else's favourite 16K hit?
    Spector Spector May 2002 Games
  • Spectrum 16KI know there must be some of you that still use the original 48K rubber keys machine, and other that have the 48K+, or the 128K(me). But is there any…

    ... who still has a working 16K with a 32K rampack in ...
    Spector Spector May 2002 Sinclair Miscellaneous
  • ANNOUNCE: SPECSAISIE 1.2 released!SPECSAISIE is a Java system which enables one to perform surgery on SNA and TAP files, and various other gubbins (some functions relate to Spectrum e…

    ... to correct the checksums.
    + Peek: Print the byte-value(s ... a given room.
    - BGB_JSW: Detect occurrences of the block-graphics ...
    andrewbroad andrewbroad January 2003 Emulators
  • ANNOUNCE: SPECSAISIE 1.2 released!SPECSAISIE is a Java system which enables one to perform surgery on SNA and TAP files, and various other gubbins (some functions relate to Spectrum e…

    ... to correct the checksums.
    + Peek: Print the byte-value(s ... a given room.
    - BGB_JSW: Detect occurrences of the block-graphics ...
    andrewbroad andrewbroad January 2003 Games
  • Broken 16K/48K spectrums wantedHi, I'm interested in broken 16K & 48K ZX Spectrums, all versions. I'm going to repair them, and add into my collection. If you have several, the b…

    ... /> I'm interested in broken 16K & 48K ZX Spectrums, all ...
    janilaatikainen janilaatikainen February 2003 Wanted
  • 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 …

    ... just been given a spectrum 16k. I plugged it in and ...
    eset eset February 2003 Sinclair Miscellaneous
  • POKE, PEEK and RANDOMIZE USRAnyone got a store of useful POKES, or RANDOMIZE USR statements with interesting effects? As a start, try anything from RANDOMIZE USR 1216 to RANDOM…

    ... ZX81 POKE (or, more probably, PEEK) once which would display the ...
    The Mighty Dopethrone The Mighty Dopethrone October 2003 Sinclair Miscellaneous
  • Best 16K game (AKA JetPac vs Deathchase)I'm not sure whether this has been asked before, so I thought I'd narrow it down. Let's face it, there are two games that stick out from the rest in …

    ... out from the rest in 16K world- Ultimate's JetPac, and ...
    Spector Spector November 2003 Games
  • 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 ... 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
  • 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 ...
    chaosmongers chaosmongers March 2004 Announcements
  • 16k/48k Sound FXI am now moving on from graphiocs to trying to build up a library of sound fx to be used with a 16k/48k Spectrum. Does anyone have any example m/cod…

    I am now moving on from graphiocs to trying to build up a library of sound fx to be used with a 16k/48k Spectrum.

    Does anyone have any example m/code on producing certain fx (Explosion, siren etc).

    Many thanks
    robpearmain robpearmain May 2004 Development
  • Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…

    ... if I am writing a 16k Game, I have 8k available ... the memory areas available for 16k and 48k programs respectively?
    robpearmain robpearmain May 2004 Development
  • 16k/48k versions.Can anyone enlighten me about 16k/48k versions of the same game? Were there many of them? The only one I can think of is 3D Tunnel. Were there any ot…

    Can anyone enlighten me about 16k/48k versions of the same game? Were there many of them? The only one I can think of is 3D Tunnel. Were there any other 16k/48k versions of the same game?
    itsallgood itsallgood May 2004 Games
  • Spectrum 16k Rubber KeyDoes anyone have a 16k rubber key spectrum they would be willing to part with? Just missed one on ebay (forgot about it) so thought I would check he…

    Does anyone have a 16k rubber key spectrum they would ...
    andrew1810 andrew1810 October 2004 Wanted
  • 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
  • How to apart a 16K from a 48K?How can I understand that if i have a 16K or 48K? Thanks

    How can I understand that if i have a 16K or 48K? Thanks
    tayanc_molla tayanc_molla February 2005 Sinclair Miscellaneous
  • How to detect 48k modeHow can you detect if a 128k machine is in 48k mode (from an emulation point of view, not via BASIC or machine code)? Checking the current rom? But …

    How can you detect if a 128k machine is ...
    Unique Unique March 2005 Emulators
<1234567…34>

Latest Posts

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    harriusherbartio on 11:01AM
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  • New video about S-video modification on Issue two 48K Spectrum.
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    harriusherbartio on April 21
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HitBox

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  • 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?<br />…
  • When is a 16k not a 16k ?Can anyone explain what this machine is supposed to be ?<br /> <br /> Speccy with a 16K sticker on the base.<br /> <br /> Doing a peek 23733 returns…
  • Thanks for the memories... is it 16k or 48k?Hi. At three different flea markets in Gothenburg, Sweden I found just as many Spectrums... (and a ZX81! [img]/__forums/images/smiles/icon_smile.gif[…
  • Spectrum 16k and Printer for saleFor sale. Boxed Sinclair Spectrum 16k with manuals and original electrostatic printer with paper. Also I'll include any magazines and games I can fin…
  • Favourite 16K gameThe Spectrum had many classics, but few talk about the early 16K ones- they had a simplicity that the later 48K games traded off for technical depth,…
  • Spectrum 16KI know there must be some of you that still use the original 48K rubber keys machine, and other that have the 48K+, or the 128K(me). But is there any…
  • how much is an issue 1 16k 'worth'in your opinions ?<br /> <br /> I may be able to get one, but it's not cheap (for what it is). I would like it, for the collectability aspect, but do…
  • Spectrum 2003 News and Info Special at PEEK N' POKE[url="http://peeknpoke.emuunlim.com/spectrum2003/pnpspectrumnews2003index.html"]http://peeknpoke.emuunlim.com/spectrum2003/pnpspectrumnews2003index.h…
  • Broken 16K/48K spectrums wantedHi,<br /> <br /> I'm interested in broken 16K &amp; 48K ZX Spectrums, all versions.<br /> I'm going to repair them, and add into my collection. If y…
  • 16k spectrum crash?Hi,<br /> <br /> 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 (chee…

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