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<1234567…34>
  • 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 ...
    FadgePlaysGames FadgePlaysGames October 2018 Development
  • A Look at "Serious" 16K Software.Why did the 16K Spectrum software start by being so serious? I am currently looking at a 16K program called DIETRON for the 16K Spectrum (Custom Da…

    ... ) It does not have the memory or space to "educate" the user ...
    harriusherbartio harriusherbartio November 2021 Games
  • A Look at "Serious" 16K Software.Why did the 16K Spectrum software start by being so serious? I am currently looking at a 16K program called DIETRON for the 16K Spectrum (Custom Da…

    ... ) It does not have the memory or space to "educate" the user ...
    crunchy_frog crunchy_frog November 2021 Games
  • Apollo space craft memory coresI just watched an MIT science report about how the computer equipment for the Apollo space craft were built and tested. https://www.youtube.com/watc…

    ... computer equipment for the Apollo space craft were built and tested ... with wire acts as a memory store. Is it possible that ...
    mik3d3nch mik3d3nch July 2019 Chit chat
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... pop de ; discard look-vars
    pop de ; ... ; error if out of memory
    ret ; end ... ; get character
    cp ' ' ; space?
    jr z, l_no_sp ; jump ... length
    jp reclaim_2 ; reclaim existing

    org ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... /> call make_room ; make space
    inc hl ; ... ; variable address to temporary memory area
    fwait ; ... ld hl, (e_line) ; reclaim
    ld de, (vars) ; all bytes
    SPACE pressed
    ret c ...
    chev chev October 2013 Development
  • Vague memory of a gameHi all, something's been bugging me on and off for ages. I once had a speccy game that I can't remember the name of. Sadly I can't recall many of the…

    ... an international diplomat on a space station. The world was laid ... a bit hazy, but my memory isn't what it was ...
    LarryLaffer LarryLaffer April 2007 Games
  • How to claim back the border space in basic?Hey, I'm wondering if there is a way to reclaim the space the border usually occupies in BASIC? I am sure I have hit BREAK on some games and ended up…

    ... there is a way to reclaim the space the border usually occupies ...
    KK128 KK128 June 2008 Sinclair Basic
  • Saving space...Hi Folks, Looking for ways to save some memory in a program I am writing. In a number of places I have the following code: [CODE]xxxx PAUSE 1: …

    ... for ways to save some memory in a program I am ... [B]14 bytes [/B]in memory i.e.

    [FONT ... /> Any other tips for saving space?

    Many thanks
    Paddy Coleman Paddy Coleman February 2011 Sinclair Basic
  • What memory pages are being used in a +3DOS disk operation?To make a long story short: what pages are in use by +3DOS while doing read operations from the disk drive? Now, for the details, for those interest…

    ... block is loaded into main memory, and then, the program starts ... to be loaded in "extended" memory. To avoid side effects, I ... program does not overwrite system vars, as main block is loaded ... use nearly all the available memory in all pages) succesfully? Do ...
    mcleod_ideafix mcleod_ideafix March 2011 Development
  • 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 …

    ... br /> + connect external memory to adress space 32768-65535 in your ... ZX Spectrum
    + memory upgrade ... /> + switch for enable/disable extra memory (128kB / 1MB)
    + ... is mirrored to adress space 32768-49151 as on ...
    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…

    ... SCREEN$ (or any segment of memory) in ZX BASIC without resorting ... /> [spoiler]It works because LOOK-VARS searches the DEFADD area (where ... variables are defined) before searching VARS. So it sets up a ... DEFADD area in the UDG space to define a$ as starting ...
    Battle Bunny Battle Bunny April 2011 Sinclair Basic
  • Undefine functionHere's a routine to selectively remove variables from the VARS area and reclaim the space. This can be done partially from BASIC already by assigning…

    ... remove variables from the VARS area and reclaim the space. This can be ... in the E_LINE area (above VARS) rather than in the BASIC ...
    Battle Bunny Battle Bunny January 2012 Sinclair Basic
  • space available in bytes - questionHi, question: - if i create a *.txt file in pee cee: if empty it will show 0 bytes if i put text "abcde" it will show 5 bytes if i put texte (in 2 l…

    ... count the space....
    my zx48K has 48kbytes of memory but ... have to me in memory so from 48k some of ... "
    so how much space do i have for create ... So how much space do i have? Space in memory will be the ... it be 16 bytes ?? Both memory and in tape?
    < ...
    tiago tiago August 2012 Sinclair Basic
  • A Miscellany of Dangerous TipsHere's a selection of ideas for using some of the more obscure system variables which I've found handy on occasion. They can be very convenient if us…

    ... and the beginning of VARS. Simply put, the space required is assigned ... then VARS moved to point beyond the end of that space. ... features saving time and/or space which are not otherwise ... )
    * Poking a string to memory... (Mar)
    * Keyboard problem... ( ...
    Battle Bunny Battle Bunny October 2012 Sinclair Basic
  • 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 ... is placed on different ram space = ram page 3 are not ... 8kB rom images in adress space 0-8191.
    velesoft velesoft June 2013 Hardware
  • displaying all memory activity in a screenDunno why I keep thinking about this, but here goes Is it easy enough to add a screen to an emulator that shows every memory address' activity.... …

    ... an emulator that shows every memory address' activity....

    Im ... the activity on the dispkay memory?

    Does all that ... bit in speccy memory
    Thst leaves plenty of space on screen ...
    bleugh bleugh June 2014 Emulators
  • New version emulator ZEsarUX-2.1Hi I have uploaded a new version of my ZX80/81/Spectrum/Z88 emulator on http://sourceforge.net/projects/zesarux/ Changes are: Added Cocoa…

    ... to undelete files and reclaim free space on eprom and flash ... program to take snapshots from memory to spectrum tape)
    ... seg1", "seg2", seg3 to match memory banks mapped on Z88
    Space"
    Some other minor bugfixes ...
    chernandezba chernandezba May 2015 Emulators
  • 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…

    ... stupid.

    The 64k memory space is divided in four chunks ... no way to page in memory there. Second chunk is " ... Third is fixed to usable memory. Fourth is the bankable chunk ... the always-resident memory (the fixed 16k + the remaining space from the ...
    Sol_HSA Sol_HSA May 2017 Development
  • Adding features to the "ZX Spectrum" 48K with the "SPACE MISSION 2020" cross-boardCross-board prototype "SPACE MISSION 2020": [url=https://pic.maxiol.com/?v=1577625334.628204558.img20191229181353.jpg&dp=2][img]https://pic.maxiol…

    Cross-board prototype "SPACE MISSION 2020":

    [url= ... />
    Planned modules:
    1. Memory expansion up to 128 K ...
    zxkit zxkit January 2020 Hardware
  • New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…

    ... other machines: search in VARS for start of BASIC and ... are running out of memory remember that every number ... takes 5 bytes of memory. Sometimes you can save ... when you run out of memory. Alternatively, POKE 23608, ... a one indicates no space to be printed before ...
    na_th_an na_th_an April 2005 Development
  • If a C64 can do it...Forgive me if this isn't the right section. We've seen coders surprising us over and over again with excellent demos and things that a few years ago…

    ... code; this includes the small memory space, the small size of data ... that data is stored in memory at specific addresses. Ie POKE ... data structures are stored in memory at some address in some ... local and global variables (all vars in Basic are global, ie ...
    Alcoholics Anonymous Alcoholics Anonymous March 2007 Development
  • Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…

    ... it's needed takes up memory. An alternative is to store ... to use the x,y vars all the time as opposed ... DEF FN which renames the vars used. Then the interpretterr has ... I think searching through variable space is quicker than a search ...
    Alcoholics Anonymous Alcoholics Anonymous March 2007 Sinclair Basic
  • Divide+ QuestionHi, I have a Divide+ with both CF and IDE ports. I've connected a CF-IDE adapter to the IDE port, and put two CFs: one on the main port and one on t…

    ... appears again, if I press Space, the program ends. Then I ... above.

    "Prog: 0 - Vars: 0 - Free: 41606"

    memory = new BS-DOS work on ...
    velesoft velesoft June 2009 Hardware
  • Dim commandI try o find a BASIC COMPILER for ZX SPECTRUM 128 that use DIM command with two or more letter as 10 DIM AB(10) instead of 10 DIM A(10) Any iforma…

    ... like BetaBasic is put in memory, on a STANDARD Speccy it ... to run in a restricted memory space that needed room for the ... of it. The effectively infinite memory space they work under means they ... Sinclair Basic does -- auto promote vars to float as necessary and ...
    Alcoholics Anonymous Alcoholics Anonymous December 2009 Sinclair Basic
  • Override AUTOLINE start?Hi there, Is there a poke that prevents a BASIC program from auto running, when it was previously saved with the LINE command? Cheers, Steve

    ... follows BASIC program area)
    VARS equ $5c4b ; Start address ... malloc)
    RECLAIM_1 equ $19e5 ; Reclaim space (free)

    ; StopBasic ... ; HL = PROG. We set VARS to the start of the ... address of
    ld (VARS), hl ; VARS, store it.
    ; ...
    stefrobb stefrobb November 2010 Sinclair Basic
  • Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …

    ... code that's woefully inefficient space-wise, whereas the SP1 ... carefully planned from a memory conservation standpoint from the ... pixels) you could reclaim some of that memory. There is also ... The other major contributor to memory use is the struct_sp1_update ...
    Alcoholics Anonymous Alcoholics Anonymous December 2010 Development
<1234567…34>

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HitBox

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

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  • What if there was no memory or space limitation?What if there was no memory or space limitation?<br /> We've had topics about the limitations of the Speccy's hardware, topics where we discussed how…
  • Apollo space craft memory coresI just watched an MIT science report about how the computer equipment for the Apollo space craft were built and tested.<br /> https://www.youtube.co…
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