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<1234567…34>
  • What if there was no memory or space limitation?What if there was no memory or space limitation? We've had topics about the limitations of the Speccy's hardware, topics where we discussed how good …

    What if there was no memory or space limitation?
    We've had ... such a low amount of memory, how some programmers showed skill ... had an extreme amount of memory, paginated, at the disposal of ... of space. Does this mean that if the available free memory was ...
    zxbruno zxbruno May 2012 Sinclair Miscellaneous
  • storing machine code in BASICA couple of years ago I posted a routine for storing machine code between PROG & VARS, based on an idea in Toni Baker's "Mastering Machine Code". Thi…

    ... previously used space before assigning the new space and doesn' ... the interpreter searches DEFADD before VARS. The FN d$() ... /> REM Shift down VARS to reclaim old CODE space
    9161 CLEAR ... REM Shift up VARS to assign new CODE space
    9162 ...
    Battle Bunny Battle Bunny January 2012 Sinclair Basic
  • TLOTRD - compiling problemsOk guys! A new demo for 'The Legend Of The Red Dragon' is nearly finished (just need my bro to draw some artwork as I'm using sample images from the …

    ... a line that saves the memory from the start of the ... onwards to the end of VARS space.

    then you do ... that when you save the memory, you also save the SAVE ...
    Dunny Dunny October 2005 Sinclair Basic
  • USB Pendrive capacity problemI recently got a USB pendrive which promotes the film WANTED. It came with a load of trailers and rubbish associated with the film, almost filling th…

    ... idea how I can reclaim this lost space?[/quote]

    Someone ... new partitions on that particular memory stick? try the manufacturers site ...
    ewgf ewgf August 2008 Chit chat
  • z88dk sp1lib with fzxThe numbers dont seem to display properly? fzx by itself works [quote] // for targets supporting fzx // zcc +zx -vn -startup=31 -O3 -clib…

    ... sp1 to a much tinier space you may want to customize ... to manage a smaller space so you can reclaim memory it's using ...
    Alcoholics Anonymous Alcoholics Anonymous June 2017 Development
  • USB Pendrive capacity problemI recently got a USB pendrive which promotes the film WANTED. It came with a load of trailers and rubbish associated with the film, almost filling th…

    ... any idea how I can reclaim this lost space?
    MattLamb MattLamb August 2008 Chit chat
  • AZIMUT / Frecuency spectrum[code]start DI LD HL,#7F40 LD D,#58 loop LD B,#00 bucle1 LD A,H IN A,[#FE] XOR A,C AND A,L J…

    ... fit in free ROM memory.

    Bar space to exit.
    Z80user Z80user February 2012 Development
  • Anyone got a copy of 'Z80 for primates'?This Z80 lark isnt easy, in fact it makes me feel very much like Washoe the chimp trying to learn learn sign language, I just dont think I've got the…

    ... to 23296 is the graphics memory right? Putting code into ... ) activates when accesses to memory are made and when accesses ... meaning it sits in the memory address space starting at 16384.
    HL = primary 16 bit memory pointer, 16 bit accumulator
    Anonymous Anonymous November 2002 Sinclair Miscellaneous
  • Anyone got a copy of 'Z80 for primates'?This Z80 lark isnt easy, in fact it makes me feel very much like Washoe the chimp trying to learn learn sign language, I just dont think I've got the…

    ... to 23296 is the graphics memory right? Putting code into ... ) activates when accesses to memory are made and when accesses ... meaning it sits in the memory address space starting at 16384.
    HL = primary 16 bit memory pointer, 16 bit accumulator
    Anonymous Anonymous November 2002 Sinclair Miscellaneous
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... variable (and finding it in VARS space) which would have to happen ...
    Dunny Dunny April 2005 Sinclair Basic
  • Speccy vs C64 vs Amstrad - Make your vote count![url]http://www.retrofusiononline.com/fusion/[/url] You know it makes sense. We're winning at the moment, too... D.

    ... /O space meaning devices don't eat into your 64K memory address space.
    Winston Winston March 2007 Sinclair Miscellaneous
  • Does this (Windows) program exist?You know how when you first turn on your PC, and Windows loads up and allows you to start, that everything seems to respond immediately? But the long…

    ... used (long ago) tried to reclaim memory but I don't believe ...
    zxbruno zxbruno December 2007 Chit chat
  • converting ZX128 software for SAM COUPESAM COUPE is computer compatible with ZX48 model. Use same ports, same keyboard with compatible membrane, 64kB adress space with possibility connect …

    ... .

    SAM COUPE memory adress space 64kB is divided to two ... 32kB blocks. Memory paging on ZX128 ... adress space. Exist one easy way for conversion:
    - ZX memory page ...
    velesoft velesoft May 2010 Games
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    ... -byte 'holes' in the memory address space, wasting over 1K in difficult ... to use clumps of memory. Quite ...
    AndyC AndyC February 2011 Sinclair Basic
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    ... -byte 'holes' in the memory address space, wasting over 1K in difficult ... to use clumps of memory.[/QUOTE ... and really should save more memory in the long run than ...
    TVzombie TVzombie February 2011 Sinclair Basic
  • Memory upgrade for ZX Spectrum 16/48This is external memory upgrade for ZX Spectrum models with 16kB ram. Can be connect also to 48kB models, but need remove 8 dram chips (from sockets …

    ... ram paging versus original ZX128 memory:

    [B][U] ... ]

    [U]ZX memory adress space:[/U]
    0-16383=rom ... ]

    [U]ZX memory adress space:[/U]
    0-16383=rom ... mirroring page 5 with adress space 16384-32767(videoram 1) and ...
    velesoft velesoft March 2011 Hardware
  • Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…

    ... thought was to move the VARS pointer, but that was ... working with the DEFADD space assigned by the ROM ... I knew that LOOK-VARS checks DEFADD and if it ... that area first before checking VARS, so I could use ... real string variable in the VARS space. The rest was easy ...
    Battle Bunny Battle Bunny April 2011 Sinclair Basic
  • The good old days (what do you honestly miss)?I was reading a post on Gamefaqs where the author was saying how modern games were better than older games, and even though that's just his opinion (…

    ... continued Zorro II's direct memory-mapped address design (unlike ... of 32-bit real memory address space for large memory mapped cards, a ... Zorro III device as memory, so Zorro memory expansions could be made ... being possible to use video memory on a video card ...
    Hercules Hercules September 2011 Chit chat
  • What if there was no memory or space limitation?What if there was no memory or space limitation? We've had topics about the limitations of the Speccy's hardware, topics where we discussed how good …

    ... What if there was no memory or space limitation?[/quote]

    There are no memory or space limitations. Tape was cheap back ... of space. Does this mean that if the available free memory was ... have a virtual amount of "memory" at our disposal. How ...
    chev chev May 2012 Sinclair Miscellaneous
  • Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…

    ... that I had a blurry memory about Space Harrier 1 not working ...
    Ivanzx Ivanzx June 2012 Games
  • So what makes a great OS?So what if you were given a free hand in designing an Operating System what would you want. The reason I ask is every time a new version of Windows …

    ... to make sure the memory (stack space) needed to run a ... available; it just assumed the memory space was available. It was ... processors (MMU an abreviation for memory management unit) which then ... fix them.

    Memory protection arrived very late indeed ...
    Hercules Hercules August 2012 Chit chat
  • Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…

    ... fact located in an unused space in ROM that he SAM ... to reflect the new address space (all the snapshot content is ... the Z80 as its sole memory address space), retrieves whatever values the ...
    mcleod_ideafix mcleod_ideafix January 2013 Hardware
  • What would be the simplest tape loading routine?I'm searching for some small assembly snippet I can use to load a (headerless or not) block from tape into RAM I can embed in my C games to load furt…

    ... the ROM loader to higher memory if space allows?

    I ...
    jamorski jamorski October 2013 Development
  • Wow! This is really a staggering achievement (programming, but still interesting!)The subject of good/clever programming came up in the SE BASIC topic, and I thought I'd mention this, but then that thread went back on topic (er, no…

    ... /> Textures take up the most memory/disk space. Geometry and code is ...
    Paradigm Shifter Paradigm Shifter October 2013 Chit chat
  • Wow! This is really a staggering achievement (programming, but still interesting!)The subject of good/clever programming came up in the SE BASIC topic, and I thought I'd mention this, but then that thread went back on topic (er, no…

    ... /> Textures take up the most memory/disk space. Geometry and code is ...
    Vampyre Vampyre October 2013 Chit chat
  • New Game: Escape from Colony 8[I]I can't really tell what happened, when they first attacked our base or where they came from, but Colony 8 is lost. My only chance is to get to ha…

    ... used.

    You can reclaim the area used by the ... preshift your sprites you can reclaim the entire 7*256 = 1792 ... two-pixel increments, you can reclaim memory from half the rotation tables ... on screen, you can reclaim some of that memory too.

    Alcoholics Anonymous Alcoholics Anonymous November 2014 Brand new software
  • Spectrum NextI am looking at creating a new target for the Next in z88dk and one of the things that crossed my mind is that since the Next comes with a Pi Zero, i…

    ... crap out due to low memory / disk space) as it needs a ...
    Alcoholics Anonymous Alcoholics Anonymous February 2017 Sinclair Miscellaneous
  • Creating Graphic AdventuresI was interested in creating a graphic text adventure on my pc, drawing the images in zxpaint, then exporting it as a zx spectrum game. What options …

    ... , but you're limited by memory/disk space. (PAWs is really designed ...
    Strident Strident October 2018 Development
<1234567…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

Word Docs Hits
reclaim 147 172
memory 21.8K 32.5K
vars 357 623
space 17.2K 22.1K

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