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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…

    ... br /> [code]
    9101 LET x=2: LET y=2: FOR i ... IF x=30 THEN LET x=2: LET y=y+2

    [code]
    9100 LET DIR=BASE + ETC...
    9101 ... GOSUB 9000+T
    9105 LET DIR=DIR+1
    ...
    i.e PRINT USR
    RANDOMIZE USR will make the print in ...
    Dr BEEP Dr BEEP March 2004 Development
  • 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 ... can use PRINT USR to display it, or LET x=USR to store ... call 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.

    ... {=\ 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 ... [CODE]
    LET z=0 : LET t=3 : LET c=24575 : LET a$=CHR ...
    TK90XFan TK90XFan March 2013 Brand new software
  • 48K vs 128KWhat does everyne think is the best machine - the 48k or the 128k? Personally i prefer the 128K+2. It has more memory, built in tape deck (so no fid…

    One of the reasons i prefered the +2 was the keyboard. If you were a programmer with a 48k you would spent ages looking for the combination on the keyboard for the LET or RANDOMIZE commands (or whatever). Still it does look cute as someone said.
    zx1 zx1 September 2007 Games
  • 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
  • checking bits in BASICThe question of manipulating bit patterns in BASIC was raised recently in this [thread=35728]Keys redefine routine and key check[/thread] thread. I s…

    ... b$(b,u)=("" AND USR u)+"0000000000000000"
    ... $(b,u)=("" AND USR u)+"0000000000001110": REM ... DATA "2A0B5C010400095E2356012400090610A7CB1ACB1B38043630180236312B10F0C9"
    1005 LET a$=""
    1010 READ ... 2022 LET usr=FN x(a$)
    2023 PRINT "usr",usr
    mattsteel mattsteel September 2011 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
  • 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
  • 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 ... :

    RANDOMIZE USR xx
    PRINT USR xx
    LET a=USR xx
    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 ... prefer, spend two seconds typing LET A=VAL A$, which does ...
    robert@fm robert@fm October 2004 Games
  • 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…

    ... /> 40 CLEAR 32767
    50 LET t=0
    60 FOR ... POKE x,y
    90 LET t=t+y
    100 ... in data": STOP
    120 RANDOMIZE USR 32768
    130 DATA 221 ...
    StuBruise StuBruise October 2007 Sinclair Miscellaneous
  • problems using new TRD files within emulatorsDear folks! As you may know, I'm working on the TRD file support for my ZX-Modules programs. For validation - I need a good emulator that supports …

    ... disk using the command
    RANDOMIZE USR 15619: REM : SAVE "test" CODE ... works good, at first I let ZX-Blockeditor create empty image ...
    clausjahn clausjahn February 2008 Emulators
  • BASIC Keyword ReferenceRealised that the Sinclair Basic section would be a better place for discussion of BASIC keywords, so for reference the old thread is in [thread=2005…

    ... : P
    DATA : E : D RANDOMIZE : K : T
    DEF FN ... /> LEN : E : K USR : E : L
    LET : K : L VAL : E ...
    icabod icabod March 2008 Sinclair Basic
  • 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 ... the same as PRINT USR 0, LET a=USR 0, etc, of ... 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 ...
    ewgf ewgf December 2008 Sinclair Miscellaneous
  • [BASin] Bug report and question[B]1. Bug report:[/B] BASIC Editor behavior I'm using a variable to store the contents of the BC register. But the BASIC editor works strangely. I t…

    ... ):

    [code]10 LET a=USR 32000
    20 PRINT a ... :

    [code]10 LET a=USR 32000
    2020 PRINT a ... . Question:[/B] Other than typing "randomize usr 0" on the editor is ...
    rahtgaz rahtgaz January 2009 Emulators
  • 25 years with the SpectrumTo paraphrase JFK, ask not what your Spectrum can do for you, but what you can do for your Spectrum. Well I've done quite a bit since I joined the sc…

    ... project
    * Stopped many pointless 'Let's build a new Spectrum ... BASIC ROM from the 128 (RANDOMIZE USR 15364)
    * Nagging Garry Lancaster ...
    chev chev February 2009 Sinclair Miscellaneous
  • 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…

    ... *1;"WHIST$"CODE : RANDOMIZE 47912: LET Z=USR 50877.
    So the ... sure why RANDOMIZE is used with a LET Z=USR, would ... this command
    not mean the same - RANDOMIZE USR ... LOAD *1;"OPUS$"CODE: RANDOMIZE 40000: LET Z=USR 44009.

    ...
    Andrew Barker Andrew Barker May 2009 Sinclair Miscellaneous
  • +2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …

    ... for quick reference ;)

    Let's start off getting Quadraz ... : POKE F,A: NEXT F: RANDOMIZE USR 64000
    30 DATA 221 ...
    Bob Stains Bob Stains July 2009 Games
  • 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
  • A tidy loader for minigamesThe minigame competition doesn't permit the use of separate loaders like [code]10 LOAD "": RAND USR 32768[/code] The loader must be included in the b…

    ... [code]10 LOAD "": RAND USR 32768[/code]
    The loader ... end of the [b]RAND USR[/b] statement.
    < ... :
    [code]2328 PRINT USR a[/code]

    [code]LET a = PEEK 23635 + 256 ... PRINT
    5 192 USR
    6 97 a ...
    ajmoss ajmoss June 2010 Development
  • General purpose full screen input routineHi Folks, One of the things that annoyed me back in the 1980s with most BASICs was the lack of a full screen "formatted" input function. You could …

    ... *---------------------*
    170 LET i(1)=16: LET i(2)=5: LET i(3 ... )=15: LET i(4)=3: LET i(5)=0: LET i$="": GO ... /> LET i(7)=LEN i$
    9260 PAUSE 0:
    RANDOMIZE USR 3438 ... : REM ROM CLS-LOWER
    9270 LET i(6 ...
    Paddy Coleman Paddy Coleman October 2010 Sinclair Basic
  • Any MCODE programmers fancy a challenge?Hi Folks, I have been using the Micro-Print utility in the archive and found it to be really good. It is the one that provides 32, 36, 42, 51, 64 a…

    ... +" pitch": RANDOMIZE USR 64564: LET li=li+1
    270 LET co=0: LET ar ... +" pitch": RANDOMIZE USR 64564: LET li=li+1
    280 LET co=0: LET ar ... in "+STR$ no+" pitch": RANDOMIZE USR 64564: LET li=li+1
    290 ...
    Paddy Coleman Paddy Coleman November 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,…

    ... " 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
  • saving part of a BASIC programHere's a short routine to save part of a BASIC program. The idea is that it can be merged into a program and then used to save sub-routines, etc. to …

    ... LET l1=0: LET a0=prog
    9992 LET r=0: LET ... 9996: LET la=l1: LET ap=a0 ... LET r=1: LET l=a2: GO SUB 9996: LET lz=l1: LET ... m/c setup": LET c$="AF111100DD2A4B5C010600DD09CDC204CDA22D3EFFC5D1DD2A765CCDC204CD2B2DC9":
    9995 RANDOMIZE ap: LET bc=l+USR (vars+29 ...
    Battle Bunny Battle Bunny September 2011 Sinclair Basic
  • Arkanoid Hack - Your Sinclair Smash TipsRemember that Arkanoid hack in YS Smash Tips that didn't work? It does now... [CODE] 10 REM ARKANOID HACK 20 CLEAR 65535: LET C=1: LET D=23295 …

    ...
    20 CLEAR 65535: LET C=1: LET D=23295
    30 ... LET T=0: FOR N=1 ... >=0 AND A0 THEN RANDOMIZE 1256+USR 23296
    50 IF ... : STOP
    60 LET C=C+1: LET D=D+N-1 ...
    jp jp October 2011 Development
  • Empire "Mega" PatchI've been posting [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0001619"]Empire[/URL] related bits and pieces [URL="http://www.worldofspectr…

    ... your 128K machines into either USR 0 or 48K mode before ...
    20 CLEAR 65535: LET B=1: LET D=27391
    30 ... LET T=0: FOR N=1 ... : STOP
    60 LET B=B+1: LET D=D+N-1 ... 0,8;"Play Empire Tape": RANDOMIZE USR 27392
    100 DATA 221 ...
    jp jp November 2011 Development
<1234567…34>

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