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<1234567…34>
  • 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
  • Using a multiface to exit to BasicBack in the days I was always fascinated with the idea of getting access to BASIC listings inside a program or game. I was able to work a way around …

    ... is to change the ASCII representation of numbers. For example ... RANDOMIZE USR 0[/code]Numbers in listings are stored funny: First, the ASCII ... the USR call, if the five-byte numeric representation is ... , the internal ROM representation is removed and recalculated ...
    Marcelo Marcelo August 2007 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
  • RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…

    ... code at 50000. Then type RANDOMIZE USR 50000. This will create a ... ]

    Besides the normal ASCII characters, only the AT control ...
    chev chev January 2007 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
  • 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
  • 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…

    ... )

    when run using RANDOMIZE USR location i just get 'B ... colours.
    ld a,144 ; ASCII code for User Defined Graphic ...
    Saboteur Saboteur May 2012 Development
  • 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
  • Less MIA - Peker AssemblerMIA and also missing from the database! [img]http://oi66.tinypic.com/16hw67a.jpg[/img] Peker Assembler TZX https://app.box.com/s/vdniq5c6r30…

    ... usage snapsnot
    RANDOMIZE USR 59000 - compiles the code
    RANDOMIZE USR 40000 - runs ...
    REM defm - followed by ASCII message. Define message
    REM ...
    Swanny Swanny April 2017 MIA/STP/SDP
  • 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 …

    ... /> setXY
    ld a,22 ; ASCII control code for AT.
    [quote]Randomize USR 32768[/quote]
    but I ...
    Scorpion_Realities Scorpion_Realities October 2017 Development
  • MC 101Hello Group Members: Can't spectrum MC be embedded in a BASIC program

    ... >RANDOMIZE USR 23760"
    c) "20>STOP"
    d) assemble ASCII ...
    dalmudlee dalmudlee July 2004 Development
  • basin & spinWhen a basic program is loaded into Basin from .tzx does it display the real basic underneath or what the basic has been made to look like by the sof…

    ... ]
    10 LOAD "" CODE 32768: RANDOMIZE USR 32768
    [/CODE]
    But ... 30000 due to the textual representation being different to the actual ...
    icabod icabod January 2007 Emulators
  • Using a multiface to exit to BasicBack in the days I was always fascinated with the idea of getting access to BASIC listings inside a program or game. I was able to work a way around …

    ... B and browse the Spectrum ASCII table in the manual, you ... ;208042] Finally, there's a Randomize Usr that I find all the ... 't get it.
    [code]RANDOMIZE USR PEEK 23627+(256*PEEK 23628 ...
    Marcelo Marcelo August 2007 Sinclair Basic
  • 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…

    ... is slower than normal number representation, so using VAL in loaders ... , but saves some bytes.
    RANDOMIZE USR VAL "25E3" saves even one ... , so it is better than RANDOMIZE USR 25000. Don't use BIN ...
    LCD LCD December 2009 Development
  • Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …

    ... ! I could see a BCD representation of the first line 99561 ... stub loader. I removed the RANDOMIZE USR 34304 line and used my ...
    ASM ASM November 2010 Development
  • Activision's Ghostbusters (1984 version)Did anyone ever manage to work out (or hack) the account numbers? If so, are they the same for the 1986 rehash?

    ... FOR i=1 TO b: RANDOMIZE USR 49153: NEXT i
    140 ... B is set to the ASCII sum of your account name ...
    Jimmy Jimmy January 2011 Games
  • RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…

    ... 64860: LOAD "64#4"CODE : RANDOMIZE USR 64861
    [/CODE]
    Afterwards ... ]
    The channel supports regular ASCII characters (from 32 to 127 ...
    Einar Saukas Einar Saukas July 2011 Development
  • Questions about SEUDI recently purchased SEUD (Shoot-em-up Designer, for those who do not know it) from Cronosoft and tried to familiarize with it, also by peering into …

    ... your game with RANDOMIZE USR 32000, use LET sc=USR 32000. When the ... the score, a six-digit ASCII string.


    Read ...
    Alessandro Grussu Alessandro Grussu January 2013 Development
  • Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…

    ... RANDOMIZE USR (+PEEK 23635+256*PEEK 23636) although I'm using fake ASCII ...
    GoingDigital GoingDigital September 2013 Development
  • Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…

    ... RANDOMIZE USR (+PEEK 23635+256*PEEK 23636) although I'm using fake ASCII ...
    stephenw32768 stephenw32768 September 2013 Development
  • bin to tap with basicI have compiled some machine code to binary. How I can convert it to tap (or tzx, doesn't matter) with custom basic part? Of course, I can create …

    ... defm "23999",$0e0000bf5d00 ; number 23999, ascii & internal format
    end10 ... marker

    ; 30 RANDOMIZE USR 24000
    defb 0,30 ... PRINT, token USR
    defm "24000",$0e0000c05d00 ; number 24000, ascii & ...
    mister_wavey mister_wavey August 2016 Development
  • Hacker QuestionHello hackers, as some of you might know, I am supervising the work on converting games from TR-Dos or TAP to the +D or Opus disk format for our SC…

    It's similar to 'RANDOMIZE USR 0'. The numbers you see ... by the hidden 5-byte representation. This is mostly zeros but ...
    POKE 23739,111
    RANDOMIZE USR 48010

    P.S ...
    Hikaru Hikaru August 2016 Sinclair Miscellaneous
  • New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…

    ... poke the file number in ascii to 32766. This is then ... 32766,a+48
    50 RANDOMIZE USR 32768
    [/code]
    In ...
    TomD TomD May 2019 Development
<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…
  • Key press to ASCII valueI need a bit of code that will give me an ASCII value when the key is pressed. I only really need a-z. I tried using the following code but it only s…

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