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<1234567…34>
  • 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…

    ... ]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really ... $ (or any segment of memory) in ZX BASIC without resorting to a ... using only standard ZX Spectrum BASIC - and it's not an ... ): DEF FN p(a)=PEEK a+256*PEEK (a+1):
    DEF ...
    Battle Bunny Battle Bunny April 2011 Sinclair Basic
  • Calculating free memory...Hi Folks, I am using the following method to calculate the amount of free memory available to BASIC: [CODE]PRINT 65536-USR 7962[/CODE] Is this the…

    Hi Folks,

    I am using the following method to calculate the amount of free memory available to BASIC:

    [CODE]PRINT 65536-USR 7962[/CODE]

    Is this the recommended approach?

    Many thanks

    Paddy
    Paddy Coleman Paddy Coleman June 2011 Sinclair Basic
  • 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 ... not see the extended memory. PRINT PEEK 23732 + PEEK 23733 * 256 returns 32767 ... . PRINT PEEK 23733 returns 127.

    ...
    unholy unholy February 2012 Hardware
  • Numeric arrays: floating point or integer?I've just started programming a game in Sinclair BASIC (see the thread 'UFO Defence Command' in game ideas, although I'm going to call it ZXCOM ;) ).…

    ... programming a game in Sinclair BASIC (see the thread 'UFO ... but by using a memory check PEEK formula I've found ... uses a lot more memory as well as being ... ever finish the game, memory will be getting tight! ... programmed anything in Sinclair BASIC that I can't ...
    Payndz Payndz September 2017 Sinclair Basic
  • 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…

    ... poke:

    POKE PEEK 23633 + 256 * PEEK 23634, 111


    ====================

    * General BASIC tips
    --------------------

    * Place ... when you run out of memory. Alternatively, POKE 23608,255 gives ...
    na_th_an na_th_an April 2005 Development
  • Which would be fasterSay you want to use a variable value of 0 to 255 in a BASIC program, which way would be fastest? Say for arguments sake you wanted to use two variabl…

    ... and PEEK to store the value in non-contended memory above ... RAMTOP, i.e.

    POKE 60001, PEEK 60002 ... about trying to escape memory contention in BASIC. You can't. ... to live with.

    PEEK and POKE are slightly slower ...
    Matt_B Matt_B September 2006 Development
  • Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…

    ... notes on the 12 remaining programs I couldn't ... be read into memory fine under BASIC. The HiSoft Pascal ... near the top of memory and quits. (installing ... game embedded within the BASIC listing. Three increasingly ... in loaded into high memory, so that it can ...
    Digital Prawn Digital Prawn November 2007 Games
  • address 23760 etc.Hi all, Where could I find Spectrum 48 addresses, what's in 23760 for instance ? Thanks for advance ! -jp

    ... The BEEPER itself is not memory mapped. The Z80 CPU in ... addition to addressing memory also has an addressable ... separate from the memory space.

    In BASIC terms, they ... are managed using these commands:-
    Memory:- PEEK and ...
    Digital Prawn Digital Prawn March 2010 Sinclair Basic
  • address 23760 etc.Hi all, Where could I find Spectrum 48 addresses, what's in 23760 for instance ? Thanks for advance ! -jp

    ... The BEEPER itself is not memory mapped. The Z80 CPU in ... addition to addressing memory also has an addressable ... separate from the memory space.

    In BASIC terms, they ... are managed using these commands:-
    Memory:- PEEK and ...
    jukka_k jukka_k March 2010 Sinclair Basic
  • Resolution & Memory Question ...Hi, I'm hoping someone with some experience writing an emulator, or a vast knowledge of all things Spectrum can help me answer the following questio…

    ... is the 'contended memory'.

    The remaining 32K (addresses 32768- ... .

    When a BASIC program is running, there are ... just after the screen memory, then the BASIC program, and the very ... top of memory is used ...
    joefish joefish April 2010 Emulators
  • Location of variableHi everyone When basic makes an array how to you find out the location in the ram of where the data is stored. :) Also, does it store the values in…

    ... can be referenced directly in memory with PEEK & POKE relatively easily ... floating point numbers directly in memory from BASIC - ie. without using the ... BASIC arithmetic functions - isn't very ...
    Battle Bunny Battle Bunny September 2010 Sinclair Basic
  • What if the Government backed Sir CliveHere is a question I have always wondered about... What if the Government had backed Sir Clive back in the Eighties... That is, placed his computers …

    ... mile the best 8 bit BASIC interpreter, it has a ... just how good BBC BASIC is; not only does ... you can actually allocate memory at run-time for your ... for things like memory buffers. BBC BASIC even has the ... more powerful than POKE and PEEK.

    I' ...
    Winston Winston January 2011 Sinclair Miscellaneous
  • New platform game: Sid SpannersHi all, here is my Christmas present. A new platform game (well, more of a mini-game really). [url=http://java.cms.livjm.ac.uk/homepage/staff/cmspc…

    ... I can't overwrite the BASIC loader with C code or ... dynamic memory allocation can overwrite the system variables and BASIC loader ... was left with around 8K memory remaining after the game was completed ... a little over 1K of memory remaining. This may be handy ...
    Digital Prawn Digital Prawn April 2011 Brand new software
  • Confounded DEF FNCan anyone see why this is going wrong? I've been tinkering with it since tea time and got nowhere. [code] 2 DEF FN t$(n,t,d) =STR$ INT (n/t)…

    ... you're calculating function memory usage in BASIC. Just put the DEF ...
    Battle Bunny Battle Bunny August 2013 Sinclair Basic
  • Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…

    ... the BASIC:

    DEF FN p(a)=PEEK a+256*PEEK (a ... I should load a simple basic program to clear/load/depack ... /run from my basic menu instead of loading the ... there is too little mem remaining for basic.

    At the ...
    Speccy_James Speccy_James January 2014 Development
  • Need help with a sort of Turing Test programI've not had much luck trying to find Basic how to's about Arrays, Strings what modules can allow for a program that accepts input text and appears t…

    ... remember a Spectrum BASIC type-in called "Smalltalk". From memory it would ... name/listing though :/ (and my memory remaining correct for thirty-something years)
    p13z p13z March 2020 BASIC
  • seeking a gameHi all, im searching for a certain game can anybody remember this one?? please forgive me ,my memory isnt great! Basic outline:- Title is "Ralph on …

    ... forgive me ,my memory isnt great!

    Basic outline:-
    Title ... sale, The game was mostly Basic with poked data for sound ...
    loonix loonix May 2003 Games
  • CHROME: a new ZX model! :)Probably You know already about 'last days news', but well... ;) Such informations are so important that I'll put it here: here is a news about n…

    ... .1 MHz
    Ram memory 64K (spectrum basic), 8K Disk rom
    Ram Memory 160K (paged in 16K ...
    Yerz Yerz April 2004 Sinclair Miscellaneous
  • Hardware description - BETA DISK interfaceExist more versions and clones of BETA DISK interface. Beta disk 48, beta disk 128, brasilian clones of beta disk 48, russian clones of beta disk 128…

    ... interface with own external rom memory 16kB, based on FDC ... type and always enable betadisk memory paging mechanism. Then after ... #66 external rom memory.
    - From ZX basic can be external ... #3D00).

    [B]MEMORY DISCONNECTION:[/B]
    - external TR ...
    velesoft velesoft August 2013 Hardware
  • Clever, yes. Useful? Not so sure. Re: LOAD ""CODE gamesI was always curious about how the (few) games that require that you type LOAD ""CODE, rather than the usual LOAD "" worked, but only just now decide…

    ... />
    You write your normal BASIC loader and then execute the ... loads, it overwrites the memory with your BASIC loader and “presses” the ... know how to save a BASIC program so it auto-ran ...
    Ast_A_Moore Ast_A_Moore November 2017 Development
  • Are line numbers considered the first statement in the line?I'm trying to understand how BASIC variables are stored in memory using the BASIC Programming manual and am puzzled by the results of the control var…

    ... understand how BASIC variables are stored in memory using the BASIC Programming manual ... whenever I look at the memory locations for the FOR NEXT ...
    LevelUp LevelUp July 2020 BASIC
  • a poke to change fonts??hi ppl, there wasnt some poke in basic to change the look alike of the fonts of speccy?? I guess I did things like that in eighties.. also, there…

    ... only use BASIC, you don't really need a memory map.

    Just state in BASIC the next ...
    you have the memory reserved. Your BASIC-program may grow up ... is reached
    (OUT OF MEMORY).
    Dr BEEP Dr BEEP October 2002 Sinclair Miscellaneous
  • TAP files for the TS 2068Hi, just recently bought a TS 2068 and found "Taper" on the web. Downloaded it and began to use it only to discover that it would not open TS 2068 fi…

    ... in unused memory (remember the 2068's BASIC uses more ... lower memory and may ... are in upper memory, or assumes BASIC starts at a ... stack before the BASIC program in memory and the UDGs ... only things in top memory. In addition to the ...
    Sparky Sparky December 2002 Sinclair Miscellaneous
  • CronosoftI ordered a few Cronosoft games a short while ago and they arrived today. Although I've only played the games in question (Egghead III and Rough Just…

    ... available is all down to memory remaining, which is displayed in bytes ... the menu screen. Of course, memory is used up in defining ... fewer sprites/graphics frees up memory for more rooms.
    chaosmongers chaosmongers April 2005 Games
  • Saving BASIC code as CODE... can't start programHi guys! I'm trying to create an adventure game for the Speccy in BASIC, called The Legend Of The Red Dragon. I'm using the excellent BASin to code…

    ... not get any more memory available to BASIC, you know.

    Dunny Dunny May 2005 Sinclair Basic
  • Saving BASIC code as CODE... can't start programHi guys! I'm trying to create an adventure game for the Speccy in BASIC, called The Legend Of The Red Dragon. I'm using the excellent BASin to code…

    ... not get any more memory available to BASIC, you know.
    < ... Are you saying that 128K BASIC actually supported only up to ... support more than 48k for BASIC? Forgive my ignorance here.< ... actually support the full 128K BASIC functionality alongwith the support ...
    Arjun Arjun May 2005 Sinclair Basic
  • screen$I'm wanting to create a game which is written mostly is Basic, due to lack of MC skills but i need a MC routine if someone would kindly supply it I…

    ... leave some space in memory for the BASIC program and system variables ... your own data while keeping BASIC intact, and that's only ... with a really small BASIC program.

    Secondly, given ...
    gasman gasman August 2005 Development
  • Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …

    Hi all,

    yesterday I installed upper RAM chips (TMS4164-20). When I power up the ZX Spectrum it boots fine but only sees 32Kb of memory (PRINT PEEK 23732+256*PEEK 23733 returns 32767).

    Any ideas?
    Thank you,
    Misko
    miskox miskox September 2005 Sinclair Miscellaneous
<1234567…34>

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