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<1234567…34>
  • Making a mapI should learn Z80 assembly, but I don't have the time (really busy) and I feel like making a game. I've tried with Colt which gives me enough speed…

    ...
    i.e PRINT USR
    RANDOMIZE USR will make the print in ...
    Dr BEEP Dr BEEP March 2004 Development
  • PokesAfternoon people, before i begin can i just stress that i am an ultimate newbie when it comes to the spectrum so forgive me for my ignorance,but i ne…

    ... statments then a PRINT USR, RANDOMIZE USR or something USR, which is what starts ... hand, then do the PRINT USR yourself too.

    But ...
    joefish joefish June 2011 Games
  • 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…

    ... ?

    The term randomize implies the RAND function (random ... !?[/QUOTE]

    As USR returns a value, there must ... two routines with DRAW USR,USR.
    RANDOMIZE simply modifies the SEED ... pair must been read. RANDOMIZE is simple space saving and ...
    LCD LCD February 2013 Sinclair Basic
  • New presentation for ZX Spectrum: "New Wave"DOWNLOAD: [url]http://pouet.net/prod.php?which=61133[/url] [img]http://pouet.net/screenshots/61133.png[/img] Enjoy.

    ... SUB {=\ LLIST !?
    2>RANDOMIZE USR VAL a$: BORDER z: PAPER ... " DRAW ",NOT PI: READ a$: RANDOMIZE USR VAL "15363+256*(PEEK 15363195 ... /> 4 OUT CODE " DRAW ",CODE "USR ": RANDOMIZE USR VAL "24576": GO TO PI ...
    TK90XFan TK90XFan March 2013 Brand new software
  • 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
  • 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 ... x you type RANDOMIZE USR x. Why not RUN USR x ? I just ... tried PRINT USR 65368 it resets the machine! ...
    ivanb303 ivanb303 October 2016 Sinclair Basic
  • 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
  • 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
  • RAND USR that doesn't work in emulators and clonesEons ago, I "discovered" a strange RANDOMIZE USR. This is it: [b]RANDOMIZE USR 46578[/b] Using it on a genuine ZX Spectrum rubber key or Plus model,…

    ... " a strange RANDOMIZE USR. This is it:
    [b]RANDOMIZE USR 46578[/b]
    USR in an emulator in 48K ... 's happening here. The RAND USR proposed just begins executing NOP ... as parameter for the RAND USR, the pattern doesn't show ...
    mcleod_ideafix mcleod_ideafix May 2011 Emulators
  • USR 0I've heard a lot about loading a program in USR 0 (and yes, I know how to do it - "RANDOMIZE USR 0" in 128 BASIC). What I want to know is: What is th…

    I've heard a lot about loading a program in USR 0 (and yes, I know how to do it - "RANDOMIZE USR 0" in 128 BASIC). What I want to know is: What is the point of loading a program in USR 0 mode, and what does it actually DO?
    Swevicus Swevicus November 2012 Hardware
  • 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…

    ... right?

    The term randomize implies the RAND function (random ...
    Van_Dammesque Van_Dammesque February 2013 Sinclair Basic
  • Message to all programmersHello folks, more and more programmers in the recent time are using special loading routines for their Homebrew-Software. This makes their game runn…

    ... CODE:NEXT I
    3 RANDOMIZE USR VAL"24570"
    [/CODE]


    [QUOTE=joefish]
    Yes. And when they ...
    LCD LCD August 2010 Development
  • Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…

    ... press a key:
    [code]RANDOMIZE USR 32768 : PAUSE 0[/code]

    (Edit: the RANDOMIZE bit (or PRINT in Joefish's example) is ... [/i] in front of the USR NNNNN command (the important bit ...
    csmith csmith September 2011 Development
  • Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…

    ... press a key:
    [code]RANDOMIZE USR 32768 : PAUSE 0[/code]

    (Edit: the RANDOMIZE bit (or PRINT in Joefish's example) is ... i] in front of the USR NNNNN command (the important bit ... br />
    Also thank you 'joefish' and 'rebelstar without a cause ...
    meow meow September 2011 Development
  • How to safely maximise available memoryHi All, I'm toying with an idea that will require I have as much memory available as possible. I'm a little embarrassed I have to ask this tbh. As…

    ... : 10 CLEAR 23999: LOAD "" CODE: RANDOMIZE USR 24000) then you'll have ... /> BTW, if you go with joefish's suggestion and use your ...
    Marko Marko January 2012 Development
  • How to Poke a real Spectrum....Hi everyone. Can anyone remind me how to use POKES? (using a real Spectrum, not via the tipshop on an emulator). I've searched around and I can't f…

    [quote="joefish;845677"] The usual trick to ... before the [b]PRINT USR[/b] or [b]RANDOMIZE USR[/b].[/quote]
    Jim M Jim M January 2016 Games
  • Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…

    [quote="joefish;880055"]Here's 12 bytes ... ]

    Now if you RANDOMIZE USR 65344 it'll copy the ... ).

    And if you RANDOMIZE USR 65356 it'll copy it ...
    ivanb303 ivanb303 September 2016 Sinclair Basic
  • Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…

    ... very frequently! Here's the Joefish code in one listing, type ...
    199 STOP
    200 RANDOMIZE USR 65344: REM screen to mem ...
    210 STOP
    220 RANDOMIZE USR 65356: REM mem to screen ...
    textvoyage textvoyage September 2016 Sinclair Basic
  • 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…

    [quote="joefish;928265"]I assumed the trick ... bootstrap (with just a single RANDOMIZE USR XXXXX statement), and your game ...
    Ast_A_Moore Ast_A_Moore November 2017 Development
  • Anyone Recognizes This Loader?Hi there! I live in Argentina. I have a -dead by now- CZ Spectrum (a ZX clone made by an argentinian company, Czerweny, which used to make... Excell…

    ... the BASIC loader was invariably RANDOMIZE USR 20140.

    I used ... POKE a game before the RANDOMIZE USR 20140, and most of the ...
    Marcelo Marcelo November 2001 Sinclair Miscellaneous
  • Urban Speccy MythI remember many moons ago my mate telling me that there was some RANDOMIZE USR command that would destroy your speccy!!!! Is there any truth in this…

    I remember many moons ago my mate telling me that there was some RANDOMIZE USR command that would destroy your speccy!!!!

    Is there any truth in this is, or is it as about as believable as there being a new Sinclair system being released!!!!!
    stupidget stupidget May 2003 Games
  • Bug on Cronosoft's Dead or AliveI can't believe this wasn't spotted before... I was recently puzzled to read a couple of reports of a bug on Cronosoft's Dead or Alive and as the pr…

    ... 0 statement immediately before the RANDOMIZE USR, or replacing OVER 1 with ...
    jonathan jonathan July 2003 Games
  • An intriguing question...Well, intriguing for me anyway. As we all know, when calling a Machine Code function from BASIC, we use the USR (address) function. But for this to …

    ... from BASIC, we use the USR (address) function. But for this ... keyword:

    RANDOMIZE USR xx
    PRINT USR xx
    LET a ... =USR xx

    I ... /> Why use PRINT instead of RANDOMIZE, (or vice versa)? Is it ...
    monty.mole monty.mole June 2004 Development
  • Most pointless type-in?I think it was one I saw, probably in Program Pitstop(which mag did that?), to evaluate a string as a full expression, a la the Beeb: spend hours typ…

    ... the thing, then do a RANDOMIZE USR something to evaluate A$ and ...
    robert@fm robert@fm October 2004 Games
  • 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
  • Anybody got Interface Melodik for sale?Anybody got Interface Melodik (for Didaktik) for sale? Im from Slovakia. PLS also mail me at frgt10(at)post(dot)sk _________________ PRINT "The D80 …

    ... ":[/url] PRINT "HEARTLAND FUNERAL THEME": RANDOMIZE USR 1000

    [ This Message ...
    FRGT/10 FRGT/10 April 2005 Sales
<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…
  • 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…
  • 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 /> :)
  • Randomize usrHi,<br /> <br /> I've often wondered why/how they came up with<br /> RANDOMIZE USR to invoke machine code<br /> <br /> couldn't they have used a bet…
  • RANDOMIZE USRI always thought that this particular basic command was not intuitive!<br /> <br /> If I understand correctly is means run the code from the memory a…
  • 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…
  • 'usr 0 mode'Can anybody explain why some programs can't be just loaded after turning spectrum on but you must type 'usr 0' before loading them?

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