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<1…10111213141516…34>
  • SpecBAS 0.690 Now AvailableHi folks - 0.690 is now available at the usual location: [url]https://sites.google.com/site/pauldunn/SpecOS.zip[/url] You can also download the rece…

    ... />
    0.690 is now available at the usual location: [url ...
    Dunny Dunny July 2011 Sinclair Miscellaneous
  • Paging memoryI've been thinking about a possibility of paging blocks of memory to and from disk. Imagine dividing usable 32KB of Speccys RAM (why do they call it …

    ... possibility of paging blocks of memory to and from disk. Imagine ... it 48K, btw?) into 1KB memory blocks.

    Each ... OS would attach bitmask of memory blocks that this process uses ... OS would compare process memory bitmask to the memory track from OS ...
    tstih tstih October 2011 Development
  • SP1 and memoryWhile developing my program, I've run into memory related issues and haven't (yet) run into any advice over how SP1 uses memory. The examples all sb…

    ... advice over how SP1 uses memory.

    The examples ... some statically defined stuff in memory at some point above ... 50000.

    What memory addresses should I avoid when ... br />
    Generally, how much memory should I allocate with sbrk ...
    Winston Winston October 2011 Development
  • VIC 20 Mega CartIf there is anybody else here that also owns a VIC 20, then please let me reccommend the MEGA CART. I ordered mine in April, and it arrived today, b…

    ... 20 built into it, all memory expansions, a load of Disk ... and games that weren't available in the 8 bit era ...
    Alien 8 Alien 8 November 2011 Chit chat
  • New SpecBAS available - v0.710Been a while, but I've just uploaded the latest build of SpecBAS. This one now supports tilemaps (with rotation and scaling) and added OVER mode (XO…

    ... will save the bank's memory without the bank header.
    Dunny Dunny November 2011 Sinclair Miscellaneous
  • What memory address?If you poke 96 and 236 what would the memory address be? I've forgot how to work it out!!! :-?

    If you poke 96 and 236 what would the memory address be?

    I've forgot how to work it out!!! :-?
    daveysludge daveysludge November 2011 Sinclair Miscellaneous
  • Alkatraz protection systemI recently became interested in the Alkatraz protection system, a very widely used tape protection (a infoseek search returns more than one hundred r…

    ... =0&turns=0&memory=0&language=0& ... =0&turns=0&memory=0&language=0& ... or mastering code is not available in these or in WoS ... wrong info by not being available for checking by the community ...
    lfaria lfaria December 2011 MIA/STP/SDP
  • A few extras now available againA few more games that were sold, but now not wanted, so available again. Mermaid Madness - Electric Dreams Nihilist - Electric Dreams Puffys Saga - …

    ... , but now not wanted, so available again.

    Mermaid Madness ...
    jamorski jamorski December 2011 Sales
  • New ZX-ULA2An upgraded / replacement ULA for the Sinclair ZX81 is now available. The ZX-ULA2 is a direct replacement for the standard ULA used in the Sinclair …

    ... the Sinclair ZX81 is now available.

    The ZX-ULA2 ... 32K-48K RAM region of memory.
    ? Turbo function, which enables ...
    rwap rwap December 2011 Sales
  • Spectrum bookWhen i got my 1st spectrum in the 80's, I also had a book which had type in pictures, one that sticks out in my memory is the flag of the USA. Does …

    When i got my 1st spectrum in the 80's, I also had a book which had type in pictures, one that sticks out in my memory is the flag of the USA. Does anyone know the name of this book? I hope it's available in the archive! Thanks for reading my post :-D
    rustyredline rustyredline December 2011 Sinclair Basic
  • Why are the same size memory cards different sizes?I've heard before that two memory cards or USB sticks can have the same official capacity, but be different capacities in reality, and I'm not talkin…

    ... 've heard before that two memory cards or USB sticks can ... the case here) that different memory cards (and USB sticks, though ... , GB, etc) is lower than memory of the supposedly equivalent size ...
    ewgf ewgf December 2011 Chit chat
  • Difference between KM4164A and KM4164BHi Does anybody know what the exact difference between the above 64k x 1 bit word memory chips is? I've trawled the net until I'm blue in the face …

    ... 64k x 1 bit word memory chips is? I've trawled ... for the KM4164B is readily available. So, what's the difference ...
    cmonkey cmonkey January 2012 Hardware
  • Loading the display with data from memoryTrying to load part of the screen(4k's worth) with data from memory location 53000, I've written this routine, but it doesnt work... [I]ld b,4000 ld…

    ... 's worth) with data from memory location 53000, I've written ...
    daveysludge daveysludge January 2012 Development
  • Spectrum 48K - upper memory MIAI have recently acquired a ZX Spectrum which, according to the sticker on the bottom, should be a 48K model. It's an Issue 3 board, with upper memory…

    ... Issue 3 board, with upper memory chips (8xTI4532) and supporting logic ... does not see the extended memory. PRINT PEEK 23732 + PEEK 23733 ...
    unholy unholy February 2012 Hardware
  • Is the PlusD board design available (in Eagle format)?Someone knows if the PlusD board design is available in Eagle format? I'm thinking of producing PlusD light interfaces: want to leave out the parall…

    ... the PlusD board design is available in Eagle format?

    bverstee bverstee February 2012 Hardware
  • Memory move routine?Hi Folks, I have been searching for the thread that covers the memory move routine that uses a$=b$ via DEF FN. I thought it was written by Battle B…

    ... the thread that covers the memory move routine that uses a ...
    Paddy Coleman Paddy Coleman February 2012 Sinclair Basic
  • Cause of the financial breakdown?I've written down (dictated) from a video, what Lord James of Blackheath said on the 16th February 2012 in the House of Lords. Though you can probab…

    ... into this meeting. It is available on the internet and I ... on to a 103-megabyte memory thumb. I want the Government ...
    FrankT FrankT February 2012 Chit chat
  • Poking a string to memory...I'm looking to poke a string of characters including colour control codes to memory, I'm currently doing it by hand: 16,2,19,1,22,1,1,144 That equa…

    ... including colour control codes to memory, I'm currently doing it ...
    daveysludge daveysludge March 2012 Sinclair Basic
  • ZX81 Internal Memory UpgradeAnyone here ever done it? Im looking to add 16k of internal memory, pretty sure I know how to do it, just what parts do I need? (and where to get t…

    Anyone here ever done it? Im looking to add 16k of internal memory, pretty sure I know how to do it, just what parts do I need? (and where to get them?)
    Macc Macc March 2012 Sinclair Miscellaneous
  • ZXodus II previewAlthough ZXodus II is still under development, the author Andrew Owen authorized me to make this "preview version" available for anyone interested on…

    ... to make this "preview version" available for anyone interested on using ... related to managing and switching memory banks in 128K machines, by ...
    Einar Saukas Einar Saukas March 2012 Announcements
  • Interrupting emulation if Multiface isn't availableA few years ago I asked about how to exit to BASIC when the BASIC environment is still available and stable. Now I have a similar question... Certai…

    ... the BASIC environment is still available and stable. Now I have ...
    zxbruno zxbruno March 2012 Emulators
  • ROM switch on NMIHello! Please, help me or point in the right direction. I am building a project for 48k spectrum which must activate its rom (actually static ram) …

    ... . The time available between M1 goes
    low and memory read request ...
    ArtemKuchin ArtemKuchin April 2012 Hardware
  • SpecBAS 0.743 Now available!Hey Guys - SpecBAS has been updated again. A shedload of bugs have been fixed, and a couple of "just for fun" commands have been added! You all sa…

    ... program
    Fixed a serious memory leak when working with arrays ...
    Dunny Dunny April 2012 Sinclair Miscellaneous
  • ZX Spectrum ULA core available at OpenCoresHi! On April, 23th, I opened a new project at the OpenCores website: [url]http://opencores.org/project,zx_ula,Overview[/url] Right now, it has a, h…

    ... true Z80 and true separate memory banks. This way I hope ...
    mcleod_ideafix mcleod_ideafix April 2012 Hardware
  • How to create .TAP that loads into high memory banks?I want to create a program that uses the extended 128k memory, the banks that can be switched into the 0xc000-0xffff area. For the simple stuff I've…

    ... that uses the extended 128k memory, the banks that can be ...
    Sdw Sdw May 2012 Development
  • Question about 2-channel beeper musicI confess I haven't tried all the available beeper utilities and software. I always found music software confusing and trackers are not for me. I kno…

    ... haven't tried all the available beeper utilities and software. I ... channel. From all the currently available software and routines, is there ... also store both channels in memory instead of using DATA statements ...
    zxbruno zxbruno May 2012 Development
  • Spectrum 48K - upper memory problemsHi I have a ZX Spectrum 48K issue 3B which does not see upper memory. On PRINT PEEK 23732+256*PEEK 23733 i got result 32767. POKE 32768,85 and PRINT …

    ... which does not see upper memory.
    On PRINT PEEK 23732 ...
    Edward Edward May 2012 Hardware
  • Quick question regarding contended memoryIf I've read the documentation correctly, the following applies: 128k/+3 "Memory banks 1,3,5 and 7 are contended" +2A/B/+3 "RAM banks 4, 5, 6 and 7…

    ... :

    128k/+3
    "Memory banks 1,3,5 and ...
    Sdw Sdw May 2012 Development
  • Contiki, non-existant web servers and zx spectrumafter visiting this site today, (a web server running on a c64 - [url]http://c64web.com/[/url] ) I realized contiki already available on most 6502 ba…

    ... /[/url] ) I realized contiki already available on most 6502 based platforms ... there was no ethernet hardware available at that time.

    memory management, I'm not sure ...
    Arda Arda June 2012 Sinclair Miscellaneous
  • Oooyaah! This came from nowhere......There's a new console in the works, and it's already massively popular, despite not existing... [url]http://www.kickstarter.com/projects/ouya/ouya-a…

    ... on Kickstarter. To refresh your memory, the $99 system (which was ... ,000, with just under 10K available) left at the $99 price ...
    deadpan666 deadpan666 July 2012 Chit chat
<1…10111213141516…34>

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
  • Celebrity deaths...
    mel the bell on April 20

HitBox

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memory 21.8K 32.5K

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