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<1234567…34>
  • Buzzer sounds tips'n'tricksSo I have an ARM Cortex M3 with a buzzer connected to its GPIO pin. And because I read this forum I know that there is no need to add a separate buzz…

    ... ;699927]It needs a 512k pentagon btw. With a 128 it ... of those 20 packages of 16k at the wrong place!!
    contended) 16k ZX version to produce say ... you run this in a contended memory, the sound quality would ...
    introspec introspec May 2013 Development
  • Scrolling by 2 pixelsWhat is the fastest way of scrolling a Spectrum screen line by 2 pixels left or right? When thinking about it I've come to this simple solution: [C…

    ... acted upon are in the contended 16K, then it would be worthwhile ... of fetch/store to those 16K.

    In the RR ... 2 store operation on the contended RAM.

    Instead, [URL ...
    mattsteel mattsteel August 2013 Development
  • R Register, Contended RAM and ClonesHi. I've had a quick look at the CSS FAQ but didn't spot quite what I'm looking for (also the CSS FAQ doesn't have much detail of the clones - there …

    ... a Russian FAQ covering the Pentagon and Scorpion somewhere...).

    contended RAM on the R-register ... code on a Russian clone (Pentagon, Scorpion, ...) affect the R- ... thing, but then without the contended RAM the HALT would take ...
    icabod icabod July 2006 Development
  • Memory mapping: Pentagon compatibility?I'm writing something that will rely heavily on the Spectrum's ability to switch screen buffers in hardware (port 0x7FFD). The original Spectrum 128K…

    ... memory map (with only one 16K bank pageable) and the contention ... />
    Port 0x1FFD on the Pentagon switches memory banks as described ... this be compatible with the Pentagon's port 0x1FFD?
    ajmoss ajmoss August 2010 Hardware
  • 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 ... of fast memory on the 16K means that you can't ... ROM. And doing everything in contended RAM means you're quite ...
    gasman gasman September 2011 Announcements
  • +2 grey Contended RAMhi all, i have some quenstions about, contended RAM are banks 1,3,5,7 banks are the pairs of IC's (4164), so 1 pairs = 16k X 4 pairs = 64k this 64…

    ... some quenstions about,

    contended RAM are banks 1,3 ... 's (4164), so 1 pairs = 16k X 4 pairs = 64k

    now psysical, contended RAM are the IC's ...
    xaris_sm xaris_sm March 2013 Hardware
  • ZX Evolution -- contended memory and raster emulationFresh bleeding update for [url=http://www.nedopc.com/zxevo/zxevo_eng.php]ZX Evolution[/url] [url=https://code.google.com/p/pentevo/source/list]Baseco…

    ... [/url] -- raster and ULA contended memory emulation for original 48k ... 31kHz raster and cycles through pentagon->60Hz->48k-& ... rasters.

    2. Contended memory works only if you ... your very valuable insight into contended memory topic and useful ...
    lvd lvd January 2015 Hardware
  • Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…

    ... models, there's no contended RAM and there's ... 64K of RAM, lower 16K are not used and ... and [URL=http://pentagon.nedopc.com]Pentagon 1024SL[/URL]. Both ... development, based on original Pentagon-128kb. It's ... 256 (#1FFD port) and Pentagon-512 modification (bits 6 ...
    Sonic Sonic May 2007 Hardware
  • 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
  • russian pentagon 128k for saleis anybody interested in russian speccy clone: Pentagon 128K, with tr-dos, ay, have a couple of working motherboards.

    is anybody interested in russian speccy clone:
    Pentagon 128K,
    with tr-dos, ay,
    have a couple of working motherboards.
    danrybs danrybs December 2002 Sales
  • [NEW]: Spectaculator 4.0Hi everyone, Finally managed to finish it... enjoy! --- [NEW]: Spectaculator 4.0 Spectaculator is a Sinclair ZX Spectrum emulator for PCs runnin…

    ... .

    Spectaculator emulates the 16K/48K/128K/+2/+2A Spectrums ... Spectrum +2A in addition to 16k/48k/128/+2 Spectrums.

    o Changed the contended memory model for the 128k ... />

    o Emulation of 16k/48/128/+2 Spectrums in ...
    Jon Needle Jon Needle January 2003 Emulators
  • 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
  • ANNOUNCE: Fuse 0.6.0 and friendsThe Fuse team announce the release of version 0.6.0 of Fuse, along with version 0.6.0 of the Fuse utilities and version 0.1.1 of libspectrum, the Spe…

    ... .tar.gz[/url]

    * Pentagon 128 support (Fredrick Meunier, with ... interface (Fredrick Meunier).

    * 16K Spectrum support (Fredrick Meunier).
    16K, +2 and +2A extensions (Fredrick ...
    Philip Kendall Philip Kendall April 2003 Emulators
  • ANN: Spectaculator 5.1Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/+…

    ... .

    Spectaculator emulates the 16K/48K/128K/+2/+2A/+3 ... />

    o Added preliminary Pentagon 128 support (no Beta 128 ... ) to run demos
    requiring Pentagon timing. Examples include Rage, Eye ...
    Jon Needle Jon Needle July 2003 Emulators
  • 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
  • [NEW]: Spectaculator 6.0Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/+…

    ... 16K/48K/128K/+2/+2A/+3 Spectrums, the Russian
    Pentagon ... to automatically reset the Pentagon/Scorpion and
    ... General Sound emulation (provides the Pentagon and Scorpion with
    ... snapshot will automatically switch to Pentagon mode,
    ...
    Jon Needle Jon Needle December 2003 Emulators
  • 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
  • ANN: Spectaculator 6.1Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/+…

    ... the 16K/48K/128K/+2/+2A/+3 Spectrums, the Russian Pentagon 128 ...
    Jon Needle Jon Needle March 2004 Emulators
  • 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
  • ANN: Spectaculator 6.2[NEW]: Spectaculator 6.2 Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emul…

    ... the 16K/48K/128K/+2/+2A/+3 Spectrums, the Russian
    Pentagon ... Cycle-accurate emulation of the 16k, 48k, 128k and +2 ZX ...
    Jon Needle Jon Needle May 2004 Emulators
<1234567…34>

Latest Posts

  • I am currently watching.....
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  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
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    rich_chandler on April 21
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    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
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  • +3 Disk drive motor
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HitBox

Word Docs Hits
pentagon 1.6K 2.3K
contended 1.2K 2K
16k 5.5K 7.7K

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  • 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,…
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