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  • DIVIDE PLUS - new memory mode DIVIDE128Divide PLUS contain 512kB sram + 512kB flash eprom. Memory paging in this device is enable on two different ports : 1) port #E3 is compatible with o…

    ... sram + 512kB flash eprom.
    Memory paging in this device is ...
    velesoft velesoft June 2013 Hardware
  • Fast Z80Todays Spectrums are fast as hell and few software utilises this. Z80 in ReVerSE runs at 42 MHz, in Speccy2010 at 28 MHz, in Pentagon 2.666 and in N…

    Todays Spectrums are fast as hell and few software ... />
    Two options:
    1. Fast Z80 on the mainboard. Plusses ... than second option.
    2. Fast Z80 in NeoGS card, invisible ...
    Alone Coder Alone Coder June 2013 Development
  • "Jumping Jack" on Kempston Joystick.Hello. I'm new here, so at start I want to welcome everybody :) I'm totally newbie in ZX Spectrum. But I'm still own Timex without cassete player (I …

    ... " on emulated Kempstron Joystick. For fast links I uploaded at: [url ... to type pokes under Cop-Copy. But I do not have ...
    olesio olesio June 2013 Games
  • quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…

    ... RAM). Although the routine will copy any length it obviously only ... PROGRAM
    41 REM TO COPY string to RAM or RAM ... RAM;
    l =length to copy
    43 REM eg.: GO ...
    Battle Bunny Battle Bunny July 2013 Sinclair Basic
  • Childhood moments with my SpeccyHey everyone. The other day I randomly came across a tumblr page called "Me and My ZX Spectrum" ([url]http://meandmyzxspectrum.tumblr.com[/url]) …

    ... time travel.


    Memory fragment #1
    My good ... my own computer!!!

    Memory Fragment #2
    It took ... happy kid again.

    Memory Fragment #3
    Atic Atac ... two friends also had their copy so we were all familiar ...
    memrah memrah July 2013 Sinclair Miscellaneous
  • Movin And A Groovin Horizontal Flip improvementOn the left is the flip horizontal portion from Andy Pennell'S excellent Movin' & a Groovin' machine code screen routines from Your Spectrum #19 (Oct…

    ... were already at the correct memory address!
    The result was ... just the code, ready to copy paste into your program.
    MatGubbins MatGubbins August 2013 Development
  • Linux/Unix Wizards come here!Hi to all, my nephew had just returned from a vacation in Tibet with a corrupted 4GB SD Card full of pictures. I've tried lot of ways to recovery da…

    ... memory....

    dmesg gave me this output..
    can't copy ...
    DaRkHoRaCe DaRkHoRaCe August 2013 Chit chat
  • SD card as a tape playerSince discovering WOS I've been amazed at the talent and inginuity of everyone who has developed new hardware and software. I only wish I could under…

    ... you want without having to fast forward/rewind and you dont ... these MP3 players include SD, memory stick and USB connections as ... pounds and has 8 Gb memory with provision for a micro ...
    rune rune September 2013 Hardware
  • Collision detection for interlocking shapes[SIZE=3][FONT=Calibri]I?m looking for some advice as I?m not sure how to resolve the following problem. I have an in memory structure that holds info…

    ... problem. I have an in memory structure that holds information about ... rectangles to do some basic "fast" collision detection and then looking ... am writing, both speed and memory size aren't too important ...
    Mr Millside Mr Millside October 2013 Development
  • Simple memory transfer routineI'm looking for a simple memory transfer routine that shifts 32 bytes of data from the address HL is set to 55143, I have tried using LDIR, but cant …

    ... 'm looking for a simple memory transfer routine that shifts 32 ...
    daveysludge daveysludge November 2013 Development
  • Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…

    ... -bit numbers is far from fast). Printing the largest 2040-bit ... . The amount of memory needed is: enough memory for the binary representation ...
    mcleod_ideafix mcleod_ideafix November 2013 Development
  • My Rendition of Horace to the RescueHi Spectrum World, I have spent the last 2 month writing my rendition of Horace to the Rescue. Horace to the Rescue was a planned game but it was ne…

    ... been able to find a copy of the loading screen or ... />
    I ran out of memory near the end of development ...
    wiper2001 wiper2001 December 2013 Announcements
  • My Rendition of Horace to the RescueHi Spectrum World, I have spent the last 2 month writing my rendition of Horace to the Rescue. Horace to the Rescue was a planned game but it was ne…

    ... been able to find a copy of the loading screen or ... />
    I ran out of memory near the end of development ...
    wiper2001 wiper2001 December 2013 Brand new software
  • A "generic" loader for +3(e)I've made this loader for 128k games in +3DOS. [CODE]dos_open equ 262 dos_close equ 265 dos_abandon equ 268 dos_read equ 274 dos_write equ 277 dos_s…

    ... /> ; 2 bytes starting address in memory
    ; 2 bytes data length ... created from DOS using [b]copy /b[/b].
    - If cache ...
    Zup Zup December 2013 Development
  • Games that will be 25 years old this year!Time for my yearly attempt at making everyone feel ancient! :D [url="http://www.worldofspectrum.org/infoseekadv.cgi?what=1&regexp=&yrorder=1&year=19…

    ... =0&turns=0&memory=0&language=0& ...
    Fantasy World Dizzy
    Fast Food
    Forgotten Worlds
    deadpan666 deadpan666 January 2014 Games
  • Compact Flash Card In "Memory Mode" - (Help)Hello my fellow WoS'ers I have been developing a Z80 8bit interface with a compact flash card port based on Pera's ZXCF "memory mode" interface for …

    ... based on Pera's ZXCF "memory mode" interface for the +2AB ...
    Zetr0 Zetr0 January 2014 Hardware
  • Math Quiz - MultiplicationThe topic is fast multiplication routines, from 8x8 to 32x32 and all points in between. These functions sit underneath floating point libraries, gen…

    The topic is fast multiplication routines, from 8x8 to ... there's interest in being fast but not to the point ... takes a silly amount of memory for tables. So I've ...
    Alcoholics Anonymous Alcoholics Anonymous January 2014 Development
  • How to load a +3 dos file from disk to memory in z80Hi all again, Are there any example z80 code listings (not BASIC) to load a +3 binary dos file from disk to a specific memory destination? Thanks.

    Hi all again,

    Are there any example z80 code listings (not BASIC) to load a +3 binary dos file from disk to a specific memory destination?

    Thanks.
    Speccy_James Speccy_James February 2014 Development
  • Where can I get a copy of Elite?Does anyone know where I can get ahold of a working copy of Elite for the 48K? Preferably with as many of the original boxed items as possible. Thank…

    Does anyone know where I can get ahold of a working copy of Elite for the 48K? Preferably with as many of the original boxed items as possible.
    Thanks!
    SamTebbs33 SamTebbs33 February 2014 Wanted
  • Emulator support for East London Robotics SP80 memory expansion?Do any emulators support the [url=http://www.worldofspectrum.org/infoseekid.cgi?id=1000377]East London Robotics SP80 memory expansion[/url]? That add…

    Do any emulators support the [url=http://www.worldofspectrum.org/infoseekid.cgi?id=1000377]East London Robotics SP80 memory expansion[/url]? That adds another 32KB of RAM which you can page in/out at address $8000.
    mark_k mark_k February 2014 Emulators
  • Toastrack/Grey +2 physical memory layoutI'm looking to extend the functionality of the test ROM used with Winston's diagnostic board to also properly test the RAM of toastrack and grey 128K…

    ... clear to me how the memory is physically laid out.
    memory.

    Could anyone fill ...
    balford balford February 2014 Hardware
  • USB Memory stick testA friend of mine is selling some USB memory sticks that he claims are 500gb for ?35! I said that can't be right, so he's given me one to try. When I …

    ... mine is selling some USB memory sticks that he claims are ... . I thought you "lost" more memory than that with new drives ... (I'm also aware that memory is getting smaller these days ... Sony have developed a 2TB memory card!).

    All these ...
    Bermondsey Bob Bermondsey Bob March 2014 Chit chat
  • RecommendationsHas been many, many moons since the first time i played games on my friends 48k, have recently purchased one myself and have slowly started building …

    ... collection of games, however my memory is not what it used ... actually find a copy for sale) but my memory fails me im ...
    Serapth Serapth March 2014 Games
  • New Game: YAHTZXHi all, Well, it?s taken me more than 3 years, but I think I?ve finally got there. Here is YAHTZX, a 100% assembler version of Yahtzee (? Milton Bra…

    ... of most of the used memory locations etc., and the assembler ... for Arcade Games and other Fast Spectrum Programs (McGraw Hill)
    Shando Shando March 2014 Brand new software
  • Loading data from 128 memoryAfter all these years I have come across the LOAD! in 128 basic for storing/restoring data in the 128 memory. How do I go about implementing this in…

    After all these years I have come across the LOAD! in 128 basic for storing/restoring data in the 128 memory.

    How do I go about implementing this in machine code?

    Thanks in advance...
    daveysludge daveysludge March 2014 Development
  • TAPlist - the emulator versionI've got this working reasonably well; there's just a couple of small extra features which I want to add. (Recall that TAPlist writes a formatted lis…

    ... of the BASIC program in memory to a TAP file. Just ... range DEF FN (206) to COPY (255) which might have numerous ...
    Battle Bunny Battle Bunny March 2014 Sinclair Basic
  • Search for "Hot Hit" - A hot airballon gameI barely can recall that I once saw on the ZX-Spectrum a hot air balloon simulator, and only remember that I couldn't understand what is happening be…

    ... end--so making a backup copy of it is not possible ... could you make a backup copy of it? (Spelling may be ... it only exists in our memory and will be gone completely ...
    jadaml jadaml March 2014 Games
  • Totally random idea for the hardware nuts to exploreWhen it comes to multi-player games, how hard would it be to generate a second display from a single Speccy, instead of trying to link up machines, s…

    ... . When the Z80 writes to memory, that write is exposed on ... with writing to ULA-contended memory of an external system? Could ... by imposing the real-time memory writes onto an actual second ... into the uncontended upper memory so it can copy it down itself ...
    joefish joefish April 2014 Hardware
  • WOM Memory Signetics 25120 Series 9046NHello, here: [url]http://www.ti.com/ww/en/bobpease/assets/www-national-com_rap.pdf[/url] at pages 128 und 129 you can find information about a very …

    ... information about a very usefull memory that unfortunately is not (more ...
    ingo ingo April 2014 Hardware
  • Timex contended memory timings, the TS2068 kludge board and EXROM at $4000 - $7FFFI haven't seen this documented anywhere yet so I thought I'd share my findings. I've been investigating contended memory timings on the Timex Sinclai…

    ... 've been investigating contended memory timings on the Timex Sinclair ... Timex SCLD still applies memory contention at these locations ... 4000 - $7FFF making a memory access at each location during ... in port F4 when applying memory contention; contention is applied ...
    rga24 rga24 May 2014 Hardware
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Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
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    John Elliott on April 21
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    harriusherbartio on April 21
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memory 21.8K 32.5K
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