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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…

    ... 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
  • 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…

    ... to start it by RANDOMIZE USR xxxxx. Which parameters should I ...
    MrShhh MrShhh March 2003 Sinclair Miscellaneous
  • Magnatron (Quazatron 2) is missing on WOSI may be going crazy, but Magnatron the follow up the massive hit Quazatron seems to be missing on WOS. I'm pretty sure this game was released on the…

    I may be going crazy, but Magnatron the follow up the massive hit Quazatron seems to be missing on WOS. I'm pretty sure this game was released on the Spectrum. I wonder if I am spelling it correctly?
    Paul Thompson Paul Thompson March 2003 Games
  • QuazatronWOW!!!! The remake of Quazatron is complete. You can get it from [url="http://retrospec.sgn.net/games.php?view=resume&gamelink=35"]http://retrospec.s…

    WOW!!!! The remake of Quazatron is complete. You can get it from [url="http://retrospec.sgn.net/games.php?view=resume&gamelink=35"]http://retrospec.sgn.net/games.php?view=resume&gamelink=35[/url]
    Havent played it yet but it looks good.
    stupidget stupidget April 2003 Games
  • 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…

    ... of useful POKES, or RANDOMIZE USR statements with interesting effects?
    USR 1216 to RANDOMIZE USR 1327. This should ...
    The Mighty Dopethrone The Mighty Dopethrone October 2003 Sinclair Miscellaneous
  • '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?

    Can anybody explain why some programs can't be just loaded after turning spectrum on but you must type 'usr 0' before loading them?
    PopoCop PopoCop November 2005 Sinclair Miscellaneous
  • Quazatron/ParadroidI've never played Quazatron on the Spectrum and I've never played Paradroid on the C64 either. I was thinking of firing up Quazatron on the Speccy, b…

    I've never played Quazatron on the Spectrum and I' ... was thinking of firing up Quazatron on the Speccy, but if ... . My question is - does Speccy Quazatron stand up as a game ...
    Spector Spector November 2005 Games
  • 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…

    ... here people mentioning those RANDOMIZE USR lines which when entered, seem ... first ever found was RANDOMIZE USR 1280 which shows blue and ...
    alexsut alexsut April 2007 Sinclair Miscellaneous
  • Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…

    ... />
    I know that USR 0 simply causes the CPU ... advantages for the program does USR 0 mode offer over ... program that might require a USR 0 style setup) could, ... place, and do whatever else USR 0 mode does, then ... on the user to type USR 0 before running the ...
    ewgf ewgf December 2008 Sinclair Miscellaneous
  • Help! USR 0 mode?Right, first of all, I know that this is in the wrong forum, and secondly it's maybe against the TOS anyway, as it's just asking people to read and p…

    ... />
    I've asked about USR 0 mode, and whilst I ...
    ewgf ewgf December 2008 Emulators
  • 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…

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

    I read somewhere that USR is the keyword that executes ...
    saiwong saiwong December 2009 Sinclair Basic
  • 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…

    ... have to be loaded in USR 0 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
  • Resolving USR entry point into a data + m/code block?Well, I had another look at that Merlin listing and decided that blowing up the faint page made it possible to read everything (with a struggle). How…

    ... , it's apparent that the USR entry point is not 30000 ... do I work out the USR address to start the machine ...
    Battle Bunny Battle Bunny June 2010 Development
  • 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,…

    ... I "discovered" a strange RANDOMIZE USR. This is it:
    ... [b]RANDOMIZE USR 46578[/b]

    USR in an emulator in ... happening here. The RAND USR proposed just begins executing ... parameter for the RAND USR, the pattern doesn't ...
    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
  • Quazatron PapercraftHello! My first post here. Was looking for some Quazatron papercraft on the Internet, and found none. Now it exists: [IMG]http://i17.photobucket.com…

    ... here. Was looking for some Quazatron papercraft on the Internet, and ... .photobucket.com/albums/b91/Chentzilla/Quazatron/quazatron_papercraft_v8_cropped_zps6354a6d3.png[/IMG]
    Chentzilla Chentzilla February 2014 Games
  • 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…

    ... why is it called RANDOMIZE UsR what does randomising have to ... 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
  • Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…

    ... form, thus ensuring that the USR call returns the required decimal ... at the end, so that "USR nnnnn" can be used in ... method to return from a USR call with a floating point ... pointers to be returned from USR calls. Refer to the "Strings ...
    Battle Bunny Battle Bunny January 2017 Sinclair Basic
  • Ensure program runs in USR 0 mode?Is there some BASIC that can be used in a program to make sure the the program runs (even on 128k models) in 48k or USR 0 mode? I obviously then wan…

    Is there some BASIC that can be used in a program to make sure the the program runs (even on 128k models) in 48k or USR 0 mode? I obviously then want to be able to run the rest of the program from the USR 0 mode.
    matalog matalog February 2018 Sinclair Basic
  • Loading Bars - Rnd USR cmd ?Morning, Just a quick question - messing about with basic and all those years back I seem to remember a way to create loading bars with a RANDOMISE …

    ... loading bars with a RANDOMISE USR command with a certain value ...
    Harvey Harvey March 2021 Sinclair Basic
  • Loading Bars - Rnd USR cmd ?Morning, Just a quick question - messing about with basic and all those years back I seem to remember a way to create loading bars with a RANDOMISE …

    ... loading bars with a RANDOMISE USR command with a certain value ...
    Harvey Harvey March 2021 Sinclair Basic
  • Loading Bars - Rnd USR cmd ?Morning, Just a quick question - messing about with basic and all those years back I seem to remember a way to create loading bars with a RANDOMISE …

    ... loading bars with a RANDOMISE USR command with a certain value ...
    Harvey Harvey March 2021 Sinclair Basic
  • Help for my Speccy DatabaseI know this off topic, but I need some input. I am in dire need of someone givning me a name for a project I've been involved with for some time. …

    ... Base!!!!)
    JPPBase
    UserZero (USR 0) (taking the p)
    Chris Chris October 2001 Games
  • 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…

    ... BASIC loader was invariably RANDOMIZE USR 20140.

    I used ... a game before the RANDOMIZE USR 20140, and most of the ...
    Marcelo Marcelo November 2001 Sinclair Miscellaneous
  • graphics need to stayIm shure ther must b an easier and shorter way 2 explain this but i aint 2 bright. Can someone please help me with a program? OK say I program a pi…

    ... program for it like:
    USR "P"+2
    BIN 00000000 ...
    mangaman3000 mangaman3000 July 2002 Sinclair Miscellaneous
  • Funniest Speccy related memoryOkay, there maybe won't be that many, but I have a couple that might conjour up some jolly jape memories. 1. Walking home from school with mate one …

    ... him that ran a RANDOMISE USR 2143 (or whatever it was ...
    Vampyre Vampyre October 2002 Games
  • ZX PC Interface : The manual, schematics and more info... ZX &lt;-> PC Interface ------------------- Contents 1) The ZX &lt;-> PC Interface 1.1) What is it? 1.2) What does it do? 2) Install…

    ... the current directory.
    PRINT USR 14500;D;"*.*"
    This ... current directory.
    PRINT USR 14500;C;"RD NEWDIR"

    PRINT USR 14500;X
    This command ... PRINT-instruction.
    However after USR 14500 some command are obliged ...
    Dr BEEP Dr BEEP December 2002 Sinclair Miscellaneous
  • Random Smiley FacesAs promised, here's the Syntax: ;Startup 5 CLS 7 PAPER 0: BORDER 0 ;Graphics 10 FOR n=0 to 7 20 READ row: POKE USR "P"+n,row 30 NEXT n 31 DATA BI…

    ...
    20 READ row: POKE USR "P"+n,row
    30 ...
    Takashi64 Takashi64 January 2003 Sinclair Miscellaneous
  • ZX PC InterfaceZX &lt;-> PC Interface Contents 1) The ZX &lt;-> PC Interface 1.1) What is it? 1.2) What does it do? 2) Installation 2.1) The softwa…

    ... .


    PRINT USR 14500;D
    This will ... following a PRINT
    USR 14500;D command.
    PRINT ... subdirectory ?newdir?.
    PRINT USR 14500;C;"RD newdir"

    PRINT USR 14500;X
    This command ...
    Dr BEEP Dr BEEP January 2003 Announcements
  • 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
<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…
  • Magnatron (Quazatron 2) is missing on WOSI may be going crazy, but Magnatron the follow up the massive hit Quazatron seems to be missing on WOS. I'm pretty sure this game was released on the…
  • QuazatronWOW!!!! The remake of Quazatron is complete. You can get it from [url="http://retrospec.sgn.net/games.php?view=resume&amp;gamelink=35"]http://retrosp…
  • 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.
  • '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?
  • Quazatron/ParadroidI've never played Quazatron on the Spectrum and I've never played Paradroid on the C64 either. I was thinking of firing up Quazatron on the Speccy, b…
  • What's the RAND USR code for the test screen?And what versions of hardware does it work on?<br /> <br /> Ta!

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