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  • SpecBAS 0.844 releasedHi all - it's been a while... Having some unexpected extra time off work, I've been able to get some work done on SpecBAS and it's now a bit more …

    ... /> Array copying MAT a()=b() memory leak fixed
    TOKEN$ didn ... to use it!
    WINDOW COPY didn't use the destination ...
    Dunny Dunny May 2015 Sinclair Basic
  • Contended memory and TritoneQuick question regarding contended memory...<div style="font-style: normal;"><br></div><div style="font-style: normal;">I'm testing ideas with Triton…

    Quick question regarding contended memory...
    I'm testing ideas ... the player code after 0x7fff memory address and the data in ... contended memory, and it doesn't seem ... being run from non contented memory, so I think it actually ...
    reidrac reidrac June 2015 Development
  • Creating a ZX Spectrum Development Environment on Mac OS XI’ve been using a Macbook for a while now and am so impressed with it I decided shift my ZX Spectrum development from PC. It took me a little while t…

    ... , hopefully you’ve turned on fast load.

    [b]Install ... what went wrong or what memory position the labels are at ...
    TomD TomD July 2015 Development
  • Memory testersHi, Just wondering which software people are using to test the memory in their spectrum. I have been using Zorn's memory tester as described here:…

    ... are using to test the memory in their spectrum. I have ... been using Zorn's memory tester as described here:
    vext01 vext01 July 2015 Sinclair Miscellaneous
  • Execution map file support in different emulatorsAs I'm now seeking about execution map files, the different emulators support, I want to start a new discussion here. Today, I tried to create a mem…

    ... a memory map with Z80 emulator, but my machine is too fast ... byte of the 64 k memory area.
    bit =1 means ...
    clausjahn clausjahn July 2015 Emulators
  • [NEW] Retro Virtual Machine v1.0.0 for OSX released!!!!Here it is! Retro Virtual Machine v1.0.0 RELEASED!!!! Many thanks first to Patrik Rak for the PZX format and for their Z80 tests without which RVM…

    ... ’
    Emulation of the contended memory timings.
    Pixel to pixel ... SNA and Z80 formats.
    Fast snapshots using the game controller ...
    jcgamestoy jcgamestoy September 2015 Emulators
  • 48k Memory MapIs there a link or info anywhere that explains the 48k memory layout? My game uses double buffering and I'm trying to decide where the best memor…

    Is there a link or info anywhere that explains the 48k memory layout?

    My game uses double buffering and I'm trying to decide where the best memory location should be.
    Atari_Jetman Atari_Jetman September 2015 Development
  • Sinclair QL bad memoryI googled around trying to see if there was a resource for this but didn't really find anything specific. I have a QL with the white screen proble…

    ... screen problem which indicates bad memory, so I plopped a Minerva ... you addresses of the bad memory...Problem is that doesn't ... help me identify which IC memory chip it is. Is there ... " a good chip on each memory chip but the only result ...
    beanz beanz September 2015 Hardware
  • Recommend-me-do - memory card devicesSo, both myself (with a +3 that has a dodgy drive) and my friend (with a +2) are looking at the various options for loading from memory card. What…

    ... various options for loading from memory card.

    What do ... to find their way onto memory card?
    merman merman September 2015 Hardware
  • The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…

    ... br /> - swap partition
    - virtual memory up to 4Mb

    copy the .TRD image sector by ... the ZXMMC.
    The DivMMC memory mapping is compatible with that ... with other ports.
    The memory paging port is compatible with ...
    bverstee bverstee October 2015 Hardware
  • Recreated ZX Spectrum thoughtsI have a recreated ZX Spectrum (and a Vega and a 48K with SMART) and while I know it is not well regarded I actually quite like it. The app is "ok" a…

    ... very neat platform - fast CPU, decent storage and memory, wifi, network, HDMI ...
    Tucker Tucker November 2015 Sinclair Miscellaneous
  • No contended memory?Sorry if this is a stupid question. But I'm trying to learn more about the ZX Spectrum. If I had a stock 48k Speccy and I could wave a magic wa…

    ... magic wand to remove the memory contention, what software would break ...
    cbmeeks cbmeeks November 2015 Development
  • Macmillan Learn to read - BODYSWOP - labelled BODY PARTS - review copyI've had a cool find... a tape - no cover - printed 'LEARN TO READ - Body Parts' Review copy .... It is Macmillan's 'Bodyswop' but I presume a pr…

    ... TO READ - Body Parts' Review copy ....
    It is Macmillan's ... presume a pre-release review copy before the name was changed ...
    retromad retromad November 2015 Sinclair Miscellaneous
  • One of a kind 'Bodyswop' Review copy... Moon Buggy (Anirog) n Killer KongA few bits I've collected which I'm happy to sell on... Posting here before they end up on Ebay ...to offers from you lot.... [b]'Body Parts' R…

    ... />
    [b]'Body Parts' Review copy of 'Bodyswop' Macmillan
    'Moon ... ' (cassette only) is a review copy of 'Bodyswop' http://www.worldofspectrum ...
    retromad retromad November 2015 Sales
  • New (and known) copy programme for MB02+Dear all MB02+ users, based on Busy's cdd sources and ideas we with Busy adapted good and old "cdd" and at the same time copy tool for whole discs…

    ... " and at the same time copy tool for whole discs was ... based on Busy's super copy programme "cdd". Grab it in ...
    Hood Hood December 2015 Brand new software
  • z88dk v1.99A Release Candidate[b]Z88DK VERSION 1.99A RELEASE CANDIDATE[/b] Download from: http://nightly.z88dk.org/Releases/ The release candidate will be available for te…

    ... /> * [z80asm] Sections introduced for creating memory maps and compiling for bankswitched ... memory
    * [z80asm] Modern operator syntax ... time options allow selection between fast and small library code and ...
    Alcoholics Anonymous Alcoholics Anonymous December 2015 Brand new software
  • Flood FillHi Folks, Can anyone point me to a flood fill that I can call from ZX BASIC? I have looked through the archive and although there are posts about…

    ... code
    * Works from any memory address so I can load ... it in to memory where I want
    * Fast
    * Not too ... based due to lack of memory
    * Parameters something like start ...
    Paddy Coleman Paddy Coleman December 2015 Development
  • Are turbo loaders worth it?I found turbo loaders fascinating and I've spent quite some time disassembling and trying different types, and they work great when I load the games …

    ... 'm trying to go too fast.

    To be fair ... we don't care about "copy protection"), but is not that ...
    reidrac reidrac March 2016 Development
  • Fast load of multiload games on real hardware?I was wondering if there was a hardware device that could allow fast loading of multi-load games for real hardware? I noticed a good many of the b…

    I was wondering if there was a hardware device that could allow fast loading of multi-load games for real hardware?

    I noticed a good many of the best 128 games are multiload and I'm quite impatient and I don't have a +3!
    Korinel Korinel March 2016 Hardware
  • Britsoft - Read-Only Memory Publishing"Britsoft" by Read-Only Memory Publishing is their latest book charting the rise and fall of game development in the UK from the early 80s to the end…

    "Britsoft" by Read-Only Memory Publishing is their latest book ...
    redballoon redballoon March 2016 Announcements
  • 48K Memory MapHi, I'm having some trouble understanding the top of the 48K Memory Map. From reading elsewhere I have this as the memory map: 0 to 16383 - …

    ... the top of the 48K Memory Map.

    From ... /> 0 to 16383 - Read Only Memory
    16384 to 22527 - Display ... br /> 23755 to 65367 - Available Memory
    65368 to 65535 - User ... area '23755 to 65367 - Available Memory'

    Also what ...
    jonesypeter jonesypeter March 2016 Development
  • Let's copy buffers!Figured I'd do some double buffered graphics, so I can render for several frames before displaying stuff. Yes, I mean on a 48k speccy, so no 128k spe…

    ... emulator doesn't handle contended memory correctly, but relative differences are ... probably not worth the 6x memory.
    Sol_HSA Sol_HSA April 2016 Development
  • Bruce Lee with added enemies!I don't know why no one's ever done this before! The great, but fat too easy* game Bruce Lee has been hacked to add extra enemies! To get it, go t…

    ... game occupies almost the entire memory, so a lot of expansion ... /> During the digging Protection interesting copy it came out, which was ...
    ewgf ewgf May 2016 Games
  • Speed (nano seconds) of memory chips ZX SpectrumThe ZX Spectrum uses 4116 memory for the lower memory, which can be replaced by other sorts or a whole, modern, module, but when searching for 4116 m…

    ... ZX Spectrum uses 4116 memory for the lower memory, which can be ... but when searching for 4116 memory, what speed in nano seconds ... refreshed, the contents of the memory will get lost? 15ns? ...
    Same for the upper memory:
    TMS4532-3 Texas Instruments ...
    georgedb georgedb August 2016 Hardware
  • DIVMMC interface versus DIVIDE interfaceDIVMMC/PICODIVSD/DIVSDNANO is one same device with identical CPLD chip and same memory/features. DIVMMC use 8kB of eeprom with code for boot system f…

    ... identical CPLD chip and same memory/features. DIVMMC use 8kB ... ESXDOS use only 40kB. Memory paging is copy of old version of ... Yes, only copy of old version = support only easy memory mapping/paging ... backup screen to IDE). Memory mapping is identical with DIVMMC ...
    velesoft velesoft August 2016 Hardware
  • Memory and Replacement ULA modules.Thought you might like to see my future proofed 48k version 6A with some upgrades fitted. Has had the following... Recap. Traco Power TSR 1-2450 p…

    ... regulator.
    Lower and upper memory modules from... http://zx.zigg ...
    RSwipeCA RSwipeCA August 2016 Hardware
  • Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…

    ... command directly to the screen memory.

    5 LET a ... into a different part of memory first then dump it to ...
    ivanb303 ivanb303 September 2016 Sinclair Basic
  • Time Gate graphics patchI've rediscovered Time Gate and one thing I don't like about the game is that it's hard to remember what's what in the status indicators. The manual …

    ... UDGs then POKEs the right memory locations. I stop Time Gate ... is that there is some copy protection in Time Gate and ...
    textvoyage textvoyage October 2016 Games
  • Ordered tapes and memory links.I did something a bit sad this evening... In the old days of Spectrum, I used to keep my tapes in those little plastic cases / racks from woolies.…

    ... , I get a very strong memory of the time and the ... in order to keep the memory link up:
    I went ...
    Luny Luny October 2016 Sinclair Miscellaneous
  • Recommend games that don't need the ROM ?I'm looking for a few games that: * Are freely available as .sna files * Do not need the ROM at all * Have motion on screen after snapshot resta…

    ... . no PUSH and POP to copy memory)

    Anything half decent ...
    Mr X Mr X October 2016 Games
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Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
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    mel the bell on April 20

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