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<1234567…34>
  • RANDOMIZE USR, PRINT USR etcHello just wondering why is it called RANDOMIZE UsR what does randomising have to do with it ? When calling machine code routine from adress x you ty…

    ... wondering why is it called RANDOMIZE UsR what does randomising have to ... adress x you type RANDOMIZE USR x. Why not RUN USR x ? I just ... tried PRINT USR 65368 it resets ...
    ivanb303 ivanb303 October 2016 Sinclair Basic
  • Randomize USR xxxxxA weird topic: When I was a kid I use to mess around with the RANDOMIZE USR xxxxx, sad I know!!! For instance RANDOMIZE USR 51234 would give me a loa…

    ... to mess around with the RANDOMIZE USR xxxxx, sad I know!!!
    For instance RANDOMIZE USR 51234 would give me a ...
    Anonymous Anonymous June 2002 Sinclair Miscellaneous
  • POKE, PEEK and RANDOMIZE USRAnyone got a store of useful POKES, or RANDOMIZE USR statements with interesting effects? As a start, try anything from RANDOMIZE USR 1216 to RANDOM…

    ... store of useful POKES, or RANDOMIZE USR statements with interesting effects?
    RANDOMIZE USR 1216 to RANDOMIZE USR 1327. This should at ...
    The Mighty Dopethrone The Mighty Dopethrone October 2003 Sinclair Miscellaneous
  • Those RANDOMIZE USR lines that look like tape loading...I often see on here people mentioning those RANDOMIZE USR lines which when entered, seem to simulate a tape loading, with the colours and lines in th…

    ... on here people mentioning those RANDOMIZE USR lines which when entered, seem ... I first ever found was RANDOMIZE USR 1280 which shows blue and ...
    alexsut alexsut April 2007 Sinclair Miscellaneous
  • Randomize usrHi, I've often wondered why/how they came up with RANDOMIZE USR <memory address> to invoke machine code couldn't they have used a better keyword (e…

    ... they came up with
    RANDOMIZE USR to invoke machine code

    I read somewhere that USR is the keyword that executes ...
    so what does the RANDOMIZE in front do ?
    < ... br /> All I know about RANDOMIZE is regarding random number sequence ...
    saiwong saiwong December 2009 Sinclair Basic
  • Strange loading problem with SpinWhen I load certain .tap files into Spin - mostly it seems to be files I created myself with the old freeware version of Spectaculator - they will on…

    ... & if I enter RUN (or RANDOMIZE USR for m/c) it will ...
    darkman darkman October 2004 Emulators
  • What's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…

    ... 't get the following to run in either spin or basin ... 's )

    when run using RANDOMIZE USR location i just get 'B ...
    Saboteur Saboteur May 2012 Development
  • Developing apps for ZX Spectrum with SDCCDue to troubles with makebin utility which always starts coversion at memory address 0x0000 and can only produce binaries < 32KB, it can't be used to…

    ... Load Binary menu option and run by RANDOMIZE USR 32768.

    1 ...
    tstih tstih July 2012 Development
  • Run BASIC program by R. USR xxxxxGuys, please help. Suppose I have BASIC program in my Spectrum 48K starting with line 10. I'd like to start it by RANDOMIZE USR xxxxx. Which paramete…

    ... RUN goes to ROM-routine at #1EAC,

    so RANDOMIZE USR ... 8108 should do the same as RUN
    < ... PRINT A
    JP 8108 ; run BASIC program!

    ... It works well with RUN, but RANDOMIZE USR 8108 generates that error??? ...
    MrShhh MrShhh March 2003 Sinclair Miscellaneous
  • machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…

    ... , or the game can be run with RANDOMIZE USR 53743.

    The ...
    Battle Bunny Battle Bunny August 2011 Sinclair Miscellaneous
  • how can we convert .z80 to .tap ?is there some way to convert a .z80 file (specially 48k) to .tap, in a similar result as saved from Multiface1? (i'm asking this because i imagine th…

    ... /> [/code]
    which is run with RANDOMIZE USR (VARS) set at 23958. Unfortunately ... byte too high. So typing RANDOMIZE USR 23958 misses the (unnecessary, as ... the USR address will be at the ...
    Battle Bunny Battle Bunny November 2011 Development
  • whats the easiest way to store a screen and then display it?so it can be called by a randomize usr, etc?

    ... RUN and ...

    RANDOMIZE USR 32768 will store the whole screen
    RANDOMIZE USR ...
    Pgyuri Pgyuri July 2018 Development
  • Run BASIC program by R. USR xxxxxGuys, please help. Suppose I have BASIC program in my Spectrum 48K starting with line 10. I'd like to start it by RANDOMIZE USR xxxxx. Which paramete…

    ... like to start it by RANDOMIZE USR xxxxx. Which parameters should I ...
    MrShhh MrShhh March 2003 Sinclair Miscellaneous
  • RANDOMIZE USRI always thought that this particular basic command was not intuitive! If I understand correctly is means run the code from the memory address, is t…

    ... I understand correctly is means run the code from the memory ... right?

    The term randomize implies the RAND function (random ...
    Van_Dammesque Van_Dammesque February 2013 Sinclair Basic
  • Can't Get My Simple Code To RunHello again, I'm trying to run the following simple code: [code] org 32768 main ld b, 21 ; x coordinate is …

    ... />
    I'm trying to run the following simple code:
    [/quote]
    When i run it the basic code appears ... cursor. I tried
    [quote]Randomize USR 32768[/quote]
    but I ...
    Scorpion_Realities Scorpion_Realities October 2017 Development
  • Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …

    ... embedded loader and a single RANDOMIZE USR call. The loader clears ... against the loader (overwriting the RANDOMIZE USR), so that execution should continue ... blocks, so one doesn't run straight into the other, ... , to set RAMTOP to equal PROG and use the memory ...
    snigfarp snigfarp November 2012 Development
  • +3e filebrowserHello everyone, Im writing a game/program loader for the +3e (with an IDE interface, but it can work with floppies too). The program lets you choose…

    ... DOS_Demo program set to auto-run to test it; I've ... " LINE 10
    NEW
    RANDOMIZE USR 33000 : REM location of loader ... be adjusted accordingly. BC should equal (length of name + 2 for ...
    Battle Bunny Battle Bunny February 2013 Development
  • 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…

    ... loader with CLEAR 29999 and RANDOMIZE USR 30000 at the start, but ... cannot get the game to run.

    Any solutions, or ...
    pottyboy pottyboy May 2005 Sinclair Basic
  • Help running code.tzx!Hi there, found a long forgotten and lost pgm "ATTACK" on a cassette which I?m supposed is a very simple [I]Scramble[/I] clone... loved this veeery …

    ... to make it run.

    (Found no randomize usr to execute the ...
    de Vandemar Croup de Vandemar Croup August 2006 Sinclair Miscellaneous
  • How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…

    ... code started with, say, [B]RANDOMIZE USR 30000[/B], which then loops ... from the ROM also be run at this time? (Not doing ...
    Rickard Rickard May 2007 Development
  • Blok*Load on Multiface 128Spinning this off into a new thread to avoid cluttering up the original: [url]http://www.worldofspectrum.org/forums/showthread.php?t=17999&page=7[/u…

    ... it to get it to run on the second version of ...
    20 REM Hack to run on MF128
    30 REM ... in data": STOP
    120 RANDOMIZE USR 32768
    130 DATA 221 ... (0A8A7h),A
    JP 09C22h ;run the rest of the code ...
    StuBruise StuBruise October 2007 Sinclair Miscellaneous
  • Changing BASIC loader in Chuckie Egg 2Hi, My aim is to include "PAUSE 0" event at the end of the loading of the Chuckie Egg 2 game. The reason is that I use emulator to load the game and…

    ... for the keystroke, and then run the actual game. Well, right ... the game code starts to run.

    So, what I ... " SCREEN$
    2 PAUSE 0: RANDOMIZE USR 39735: GOTO 2

    run?

    OR

    maiki maiki March 2008 Emulators
  • Myth II - Return to HellHello all. A new game has been released... a sequel to one of the best ZX games ever. It is of russian make (I THINK) but I think you can get around…

    ... to 48k Mode and write RANDOMIZE USR 15616
    When the boot ... Shift + arrows to navigate and run MYTH2.B file (enter Y ...
    Tom-Cat Tom-Cat July 2008 Games
  • Help loading OPUS data block ?Hi folks, A while back I obtained a Daton Software Card Games compilation which will be in the next Vault update: http://www.worldofspectrum.org/inf…

    ... from tape.

    The 'RUN' file doesn't contain the ... address is I need to run at to start the decompression ...
    not mean the same - RANDOMIZE USR 50877 ?

    I tried ... /> LOAD *1;"OPUS$"CODE: RANDOMIZE 40000: LET Z=USR 44009.

    Andrew Barker Andrew Barker May 2009 Sinclair Miscellaneous
  • question about generating tap files with z88dkIs there any way to modify the output of appmake without recompiling the appmake binary. The tap file it outputs does a [CODE]randomize usr var "3276…

    ... it outputs does a [CODE]randomize usr var "32768"[/CODE]
    (Why ... a quick test compile and run a bit slow and tedious
    guesser guesser December 2009 Development
  • Usr 0I have noted there are some games / applications / demos which have to be loaded in USR 0 mode on a 128K Machine ("Randomize USR 0" in 128K BASIC the…

    ... mode on a 128K Machine ("Randomize USR 0" in 128K BASIC then ... is the case, and what USR 0 actually DOES?
    Swevicus Swevicus January 2010 Hardware
  • Converting games from tap to dskHi to all from Greece, Being an old Speccy user and now owner of most models of Spectrum (48k , 48k+ , 128K, +2 grey and +3) , I desided to salvage m…

    ... pretty well converting but I run into two problems with 128k ... "glider.001" code
    30 randomize usr 24579
    40 rem THE ... : out 32765,16: pause 1: randomize usr 24576

    No luck ... up.
    If you randomize 24576 immidiatelly after line 30 ...
    batsilos batsilos January 2010 Emulators
  • Please test my Manic Miner remake!Thanks to everyone who downloaded my sneak preview of Manic Miner Turbo. Thanks especially to na_th_an who is the only person so far to give feedback…

    ... press that. You can RANDOMIZE USR 32768 to run it again if you ...
    Paradigm Shifter Paradigm Shifter February 2010 Games
  • ISO ROM 128 with TR-DOS 5.05(cz)This is new correct version of ISO ROM for ZX + BETADISK. Some extra basic command is designed specially for use in conmination with TR-DOS 5.05(cz).…

    ... /> !LIST (show detailed catalog)
    !RUN (load and start basic file ... utility "BETA DISC EDITOR")
    RANDOMIZE USR 15610 (start packer "TOMPACK")
    RANDOMIZE USR 15619: REM:" and enable short ...
    velesoft velesoft April 2010 Sinclair Basic
  • Merlin has risen from the grave!Those of you following the Merlin saga [thread=29902]over here[/thread] might be slightly interested to know that the program is now available in the…

    ... . To run the program (Spectrum 48k only), enter:

    RANDOMIZE USR 0 ... ,0: POKE 28939,0
    RANDOMIZE USR 30950

    Controls: Kempston ...
    Battle Bunny Battle Bunny June 2010 Games
<1234567…34>

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Related Threads

  • RANDOMIZE USR, PRINT USR etcHello just wondering why is it called RANDOMIZE UsR what does randomising have to do with it ? When calling machine code routine from adress x you ty…
  • Randomize USR xxxxxA weird topic:<br /> When I was a kid I use to mess around with the RANDOMIZE USR xxxxx, sad I know!!!<br /> For instance RANDOMIZE USR 51234 would g…
  • Run BASIC program by R. USR xxxxxGuys, please help. Suppose I have BASIC program in my Spectrum 48K starting with line 10. I'd like to start it by RANDOMIZE USR xxxxx. Which paramete…
  • POKE, PEEK and RANDOMIZE USRAnyone got a store of useful POKES, or RANDOMIZE USR statements with interesting effects?<br /> <br /> As a start, try anything from RANDOMIZE USR 12…
  • Run Baby RunHi<br /> <br /> I come in shame, as I must admit that I've never played this game, but as it seems its kind of a cult game, I want to include it into…
  • List of RANDOMIZE USR code effects?Hi chaps,<br /> Does anyone have one of these please?<br /> Thanks.
  • Those RANDOMIZE USR lines that look like tape loading...I often see on here people mentioning those RANDOMIZE USR lines which when entered, seem to simulate a tape loading, with the colours and lines in th…
  • Happy Birthday Randomize UsrDon't know who you are, but have a good one dude! Hope you have many more.<br /> <br /> :)
  • Run fatboy, run (seen it yet?)[URL="http://www.imdb.com/title/tt0425413/"]Run fatboy, run[/URL].<br /> <br /> It's going to be shown in the States in a couple of weeks. It's been…
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