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  • SeBASIC Updated to version 3.2 by aowen...SeBASIC has just received an update!... Version 3.2 is now available, but it'll cost ya!... Its only $5 USD, and can be downloaded from here:…

    ... IY register.
    * Changed the COPY command to CALL.
    * ZXC3 ... can loaded into all RAM memory (2A/+3).
    kgmcneil kgmcneil November 2016 Announcements
  • How would you approach parallax?So ... there is this trick by Joffa that we all know...of waiting for the ULA to reach certain pattern on the screen using the IN command. And then s…

    So ... there is this trick by Joffa that we all know...of waiting for the ULA to reach certain pattern on the screen using the IN command. And then starting to draw on top of the screen while the beam is busy somewhere on the bottom. Hoping that your ...
    tstih tstih November 2016 Development
  • Contended Memory, literallyDoes anyone else have the sort of memory where they have trouble just picking out info cold? I know we had a discussion about memory sometime last mo…

    ... else have the sort of memory where they have trouble just ... we had a discussion about memory sometime last month, but...
    memory, but my brain wouldn't ... that's it, my association memory is broken. Its all there ...
    Luny Luny December 2016 Chit chat
  • ZX Spectrum, ZX81 and Middle SchoolersToday I gave a talk to 120 US middle school kids (7 grade) about computer science and careers in programming. I also gave them a taste of programmin…

    ... Spectrum, ZX 81 and a copy of Hypersports to show them ... them to guess how much memory the Spectrum had.

    Scottie_uk Scottie_uk December 2016 Sinclair Miscellaneous
  • Contended memory article on WikipediaYeah, apparently there's one. https://en.m.wikipedia.org/wiki/ZX_Spectrum_Contended_Memory [quote] However, the ULA must wait for a Z80 read or wr…

    ... 's clock and access the memory. As the ULA has no ... advance, it relies upon the memory being available to read to ...
    Hikaru Hikaru December 2016 Sinclair Miscellaneous
  • Upper memory not available in issue 2A friend send me his issue 2 Spectrum for diagnosis. It boots okay but for some reason won't load games over 16kB. He sent also a Smart Card with int…

    ... ROM, which failed the upper memory RAM test, suspecting IC25 and ... high to enable the upper memory and under which conditions? Any ...
    protek protek January 2017 Hardware
  • What causes "The disk has been changed" problem on a +3?I've seen this posted here on this forum and no explanation as to what causes it or any solution that doesn't involve writing a DSK image back to the…

    ... sort of disk protection. Other copy protected disks I've tried ... the drive RPM too slow/fast as I've read these ...
    BarryB BarryB January 2017 Hardware
  • Z88DK v1.99B ReleasedAt Sourceforge: https://sourceforge.net/projects/z88dk/ It's been a year since the last release so it was time for another. This is another tran…

    At Sourceforge:
    https://sourceforge.net/projects/z88dk/

    It's been a year since the last release so it was time for another. This is another transitional release on the way to version 2.0 and hopefully we'll get there for the next one ...
    Alcoholics Anonymous Alcoholics Anonymous January 2017 Announcements
  • Memory questionsQuestion 1: PRINT PEEK 23732+256*PEEK 23733 returns 65535 for a 48K Spectrum and 32767 for a 16K Spectrum. PRINT PEEK 16388+256*PEEK 16389 return…

    ... pack attached?
    The offline copy of the ZX80 manual I ...
    The Mighty Dopethrone The Mighty Dopethrone March 2017 Sinclair Miscellaneous
  • ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…

    ... covers the Spectrum Screen Memory (6912bytes so only ... /> //
    // allocate enough memory for screen
    if((buffer ... error: unable to allocate memory to store compression\n");
    memory position to start the copy
    push ...
    TomD TomD April 2017 Development
  • The Order of Mazes & Flynn's Adventure in Bombland Physical CopyHi I've always meant to create a physical copy of the games I created and have finally got round to it. I've only made 2 so far, one for me and on…

    ... meant to create a physical copy of the games I created ...
    TomD TomD April 2017 Sales
  • 128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…

    ... pondering on the 128k memory thing a bit, and ... br />
    The 64k memory space is divided in four ... no way to page in memory there. Second chunk is ... Third is fixed to usable memory. Fourth is the bankable ... be in the always-resident memory (the fixed 16k + the ...
    Sol_HSA Sol_HSA May 2017 Development
  • 128K memory bank selection to avoid contention issuesI'm currently developing a game and I'm trying to get my head around the memory contention issues of the various 128K/+2/+2A/+3 spectrum models in or…

    ... get my head around the memory contention issues of the various ... best use of the extra memory. I've searched the forums ... /> I can understand that the memory is divided up into banks ...
    adrian_singh adrian_singh May 2017 Development
  • z88dk : FIle Handling in C on the +3e environment under Win 764bitHello my fellow WoSers! I am wondering if someone can help me solve this little pickle of z88dk / Windows using +3e Filesystem. So a little inf…

    ... ) copied.
    Unrecognised argument: \\
    copy C:\PROGRA~2\z88dk\lib ... \Local\Temp\s1c4_1.opt
    copy C:\Users\Zetr0\AppData\Local ... lump the bin in the memory of the system but I ...
    Zetr0 Zetr0 June 2017 Development
  • off screen bufferwhen using an offscreen buffer is the memory copied to the screen in a way that makes it easier to draw sprites to the buffer? E.g. Lets say you…

    ... an offscreen buffer is the memory copied to the screen in ... of the screen where you copy your buffer to,
    it ... would that mean that the memory is organised so that its ... /> draw sprites on buffer
    copy buffer to screen
    slenkar slenkar June 2017 Development
  • Question about emulators under Linux Mint.[b](*delurks*)[/b] Hi. I've recently started using Linux Mint, and I'm having trouble with a Spectrum emulator for it. (I'm also having trouble …

    ... RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
    driver ... : Processes: 184 Uptime: 22 min Memory: 724.6/4032.8MB
    solar_penguin solar_penguin July 2017 Emulators
  • LnxSpectrum - one of the best emulators?Anyone is using the LnxSpectrum? Supports DivIDE (master and slave, up to 1MB of memory), RTC, DMA (!), SAA and 2xAY, ULA+, K-Mouse, CPU up to 20 …

    ... slave, up to 1MB of memory), RTC, DMA (!), SAA and 2xAY ... windows libraries and needs a fast machine to run. No linux ...
    scz scz July 2017 Emulators
  • Cronosoft TERRAPINS Competition*** COMPETITION TIME *** As you may well know, Cronosoft is releasing Allan Turvey's excellent new AGD arcade game TERRAPINS on cassette in the ne…

    ... will win a free cassette copy of the game, plus another ... purple bugs, and the very fast blue bugs. When you bomb ...
    chaosmongers chaosmongers September 2017 Announcements
  • Memory Contention: A Hypothetical Fix?I have just had this crazy thought: If one were to wire an additional memory chip, say a 6264 8Kx8 SRAM, in parallel with the main memory so that it …

    ... were to wire an additional memory chip, say a 6264 8Kx8 ... , in parallel with the main memory so that it sits in ... the Z80 reads from main memory, it might be possible to ... reduce the effect of memory contention considerably. Possibly with the ...
    The_Bert The_Bert September 2017 Hardware
  • Testing ram memory of DivIDE / DivMMCHere is new utility for testing DivXXX ram memory: [url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/sof…

    Here is new utility for testing DivXXX ram memory:
    [url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/software/divramka.zip[/url]
    velesoft velesoft December 2017 Hardware
  • Help with a TIMEX TC2048 and memory problemBought a 2nd hand Timex TC2048 but unfortunately I detected a problem with the machine which is preventing it from working properly. I believe it …

    ... />
    I believe it is memory related but I am at ... chips, placed sockets, inserted new memory chips and the result is ... .

    Is this a memory addressing problem? The machine doesn ... 't "see" the memory?

    Where should I ...
    Renegade Renegade December 2017 Hardware
  • How would I turn memory paging on/off in Assembler?Sorry for the noob question. It's perfectly ok to do OUT 32765,48 in BASIC to turn memory paging off. But how do you do it in assembly language? I kn…

    ... ,48 in BASIC to turn memory paging off. But how do ...
    ivanb303 ivanb303 January 2018 Development
  • New Game WIP; SAVAGE PRINCESS.Been working on a game for the last year or so that started life as a straight copy of Ghosts n Goblins' level 1 in AGD before it took on a life of i…

    ... started life as a straight copy of Ghosts n Goblins' level ... then I ran out of memory); I've restarted from scratch ...
    The Lone Magpie The Lone Magpie March 2018 Development
  • i can copy a hdf image to my hdd but the +3e system wont read files.the partitions and partiton names work fine but any files i copy to it using an emulator are corrupted. i get ????.??? type files and k-invalid colou…

    the partitions and partiton names work fine but any files i copy to it using an emulator are corrupted. i get ????.??? type files and k-invalid colour as a message.
    digital digital April 2018 Hardware
  • ZEsarUX-7.0Hi! I have uploaded a new ZEsarUX stable version :) This is ZEsarUX 7.0 There are a lot of new features added, more than ever! You can downl…

    ... colour palette
    Added a fast spectrum core (with some features ... actions to file utilities menu: Copy, Move, Rename
    Added ... Next features enabled, useful for fast snapshot loading

    ... clipboard, press key c to copy to it. Press P on ...
    chernandezba chernandezba May 2018 Updates
  • ZEsarUX-7.1Hi! There’s a new stable version of ZEsarUX, version 7.1! The next 24th of September it will be 5 years old :) So this is a special anniversary…

    ... /> *Added new kind of breakpoints, "memory breakpoints", which behave like MRA ... "): now you can edit memory and copy zones of memory
    Improved my ...
    chernandezba chernandezba September 2018 Emulators
  • Printing text, part MMXIIXI'm pretty sure there's been a zillion threads about this already, and I don't think it's the first one by myself either, but here goes. Proportiona…

    ... byte.
    - I think the fast width loop could be unrolled ... (base ptr increments per row, copy runs with string)
    ld ...
    Sol_HSA Sol_HSA December 2018 Development
  • Whatever Happened to The Type Fantastic?"Tomorrow's almost over, Today went by so fast, That's the only thing to look forward to - the past." Over the best part of this year the contri…

    ... over, Today went by so fast,
    That's the only ... what I was doing; my memory of that period is mostly ...
    Battle Bunny Battle Bunny December 2018 Announcements
  • problem with symbol shift and caps shift key combinations on multilayer keyboard membranesHello, I know, it is generally know that some ZX Spectrums with multilayer keyboard membranes have problems with some key combinations. Typically …

    ... is not reaching needed level fast enough?) and i newly discovered ... it at any place in memory and run it from here ...
    cygnus cygnus January 2019 Assembler
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Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
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    Renegade on April 21
  • 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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    mel the bell on April 21
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    harriusherbartio on April 21
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    harriusherbartio on April 21
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