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<1234567…34>
  • Double Buffer UtilityHi Folks, I've been experimenting with double buffering on a 48k Speccy for a small project I'm working on. After reading lots of good advice here…

    ... self.inputValue('Enter (integer) number of rows to copy',self.numRowsToCopy, ... self.inputValue('Copy to screen x-position in (integer) characters',self. ... binaryY = binaryY[::-1] #reverse the string
    screenAddrBin = '010' + binaryY ...
    KrazyKattapilla KrazyKattapilla August 2014 Development
  • SpecBAS 0.830 Released!Hi guys - A new official release of SpecBAS has been released. The full changelog is below, but for now here's the download: [url]https://sites.goo…

    ... takes a string and extracts as much of an integer as ... with three parameters: string to search, text to replace, text to replace with
    string to format, ie "dd/mm/ ... now accept either a single integer argument or three separate ...
    Dunny Dunny February 2015 Sinclair Basic
  • How to Write ZX Spectrum Games - Jonathan CauldwellHello, I'm trying to improve my very basic level of assembler by reading the Jonathan Cauldwell guide. I'm fine with the basics LD, CP, and JP,…

    ... />
    I'm trying to improve my very basic level ... to the assember instructions.

    Can someone explain the 'eostr-string ... br /> ld de,string
    ld bc,eostr-string
    call ... /> jp loop

    string defb 'ZX Spectrum is cool ...
    jonesypeter jonesypeter October 2015 Development
  • how to load machine codeFollowing the links given in various replies to my last discussion resulted in my downloading Mastering machine code on your zxspectrum and typing in…

    ... links given in various replies to my last discussion resulted in ... followed by C9 and got 'integer out of range' on line ... let a$=a$ (3 to )

    To...what? I checked that ...
    mik3d3nch mik3d3nch November 2016 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…

    ... instances the required return to BASIC with a decimal ... ", which converts the small integer into floating point form, ... slightly trickier trick allows string pointers to be returned from USR ... variable indicates whether timings are to be calculated as integers ...
    Battle Bunny Battle Bunny January 2017 Sinclair Basic
  • flash in a stringhi, is it possible to store flash in a string? u can store colours, bright, etc.

    hi,

    is it possible to store flash in a string? u can store colours, bright, etc.
    digital digital January 2017 Sinclair Basic
  • "ZX80 Brain" RPN CalculatorIt is at times like [url=https://www.worldofspectrum.org/forums/discussion/54176/depression]when threads such as this are posted[/url] that I get the…

    ... that's what brought me to submit several (intentionally bad) ... last two routines above to work [i]without consulting ... /> Other things I managed to check for, given that the ... stack has to be held in a string and that ... is holding a non-integer value but it can ...
    The Mighty Dopethrone The Mighty Dopethrone March 2017 Sinclair Basic
  • Numeric arrays: floating point or integer?I've just started programming a game in Sinclair BASIC (see the thread 'UFO Defence Command' in game ideas, although I'm going to call it ZXCOM ;) ).…

    ... ideas, although I'm going to call it ZXCOM ;) ). Currently I ... the variables, which include two string arrays for the names of ... floating point numbers? I seem to recall that the latter uses ... ideally I want to use integers whenever possible to save space, but ...
    Payndz Payndz September 2017 Sinclair Basic
  • New BasinC v1.7 I was away from sinclair scene for a long time, I cannot find any time to log on to wos forums. I hope everybody is doing well here. As many of…

    ... .

    Remember to extract contents to a clean folder. Overwriting ... in a string.
    // Fixed - Drag&Drop files to main ... is 1-50 (an integer equivalent to Mhz). It may not ... Index (paddy)
    Fixed - String parsing bug. Eg. "LOAD STR ...
    Arda Arda November 2017 Sinclair Basic
  • I feel like such a moron having to post this but stillI started out to write a simple cursor move program to demonstrate how easy it is to program in Basic! Hah, serves me right. I started by setting…

    ... simple cursor move program to demonstrate how easy it ... of course the key to look for was changed ... Then a GOTO back to the PRINT AT line.
    to the far left. Pressing ... happened until I got the Integer out of range message ...
    mik3d3nch mik3d3nch December 2017 BASIC
  • Random-Access to Microdrive FileI am working on a BASIC program to backup a microdrive text-file to standard tape array-file. To backup a text-file from one microdrive to a secon…

    ... but my purpose is to backup to tape, so I tried ... stream area to a normal string S$. Many thanks to Battle Bunny ... from stream area to a normal string S$. I use ... the first 9 UDG bytes to ... forcing the subsequent write to the right position within ...
    mattsteel mattsteel May 2018 Sinclair Basic
  • BasinC can accept Intel 8086 assembler inside REM-linesIn the year 1983m the firmware "ACS SOFTWARE" develope basic-spectrum with REM+assembler Finally, here are two sample routines you might like to try…

    ... sample routines you might like to try assembling as a
    string): Integer; assembler;
    11 rem: push ...
    d2010 d2010 October 2019 Sinclair Basic
  • type in to learn about IM2I'm trying to mess around with learning about IM2 and I found a nice little article in Sinclair User September 1988, issue 78, Page 70-71 [url="https…

    I'm trying to mess around with learning about ... I haven't been able to figure out what it is ... am using PASMO to compile it with the string

    [code ... is going wrong and how to fix it.

    Thanks ...
    andydansby andydansby July 2020 Development
  • getting c nonsense in basic when trying to load a program through a string in +3 basicstrangely if i use load s$(to 8), it says nonsense in basic but works when i run it. but when i execute the command without a line no it works withou…

    strangely if i use load s$(to 8), it says nonsense in basic but works when i run it. but when i execute the command without a line no it works without an error. why is this?
    digital digital August 2020 Sinclair Basic
  • More random questionsWay back in the mists of time I remember reading a couple of articles in an ancient copy of Sinclair User, ZX Computing or the like (can't remember w…

    ... there is just an empty 'string'.
    Also, if you use ... that uses integer values will go to the nearest rounded integer.
    PRINT ... in a simple Bowling game to
    through a strike or ...
    Dr BEEP Dr BEEP July 2003 Games
  • New (?) auto-hacking methodFollowing a discussion with BadBeard on another thread, I think it would be appropriate for me to share something with the rest of the world (i.e. th…

    ... /> snapfile : file;
    snapfilename : string;

    type snap48 = ... /> searchbyte : byte;
    i : integer;

    begin
    ... );
    for i:=16384 to 65535 do
    if ... i);
    for i:=0 to 16383 do
    if ...
    cyborg cyborg August 2003 Sinclair Miscellaneous
  • ebook on graphicsi would like to learn coding about sinclair graphics in machine code. is there any scanned ebooks about it on a site?

    ... POKE etc work, and string/numeric variables are up and ... as an integer compiler - unless the user decides to drop ... routines, an option I hope to provide.

    ... I suppose), an Assembler to lift from SPIN, and ... the multi-udg editor to do.

    ...
    Dunny Dunny January 2004 Development
  • BASin Release 10 releasedHi all, A quick note to let you know that BASin_r10 is out as of now. I've gone off on something of a tangent now with BASin, it's more like what …

    ... extra window with such features to facilitate the typing and ... /> One idea could be to automatically translate the basic code ... caompatible compiler, switchable to be a fast integer compiler. Not for ... , the ROM traps used to provide so much functionality were ...
    Dunny Dunny June 2004 Emulators
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... a test of my ability to understand both my chosen ... thinking that when you say to start with building the ... to write code that can take an opcode (whether as an integer, string ... or whatever) and generate some form of output that corresponds to ...
    MadDoc MadDoc September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... Z80 registers and sticking to it. My instinct (disclaimer ... I have never attempted to write a Z80 core) ... would be to make each one an unsigned integer variable which ... complement value, or a string of bits, or half ... you need to use some ingenuity to achieve the ...
    gasman gasman September 2004 Development
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... of a string the number doesn't have to be an integer. The ...
    Dr BEEP Dr BEEP April 2005 Sinclair Basic
  • Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…

    ... numeric expression must evaluate to an integer in the range 0 ... to 65535

    ... if it will return a string result.
    Each of ... ?$? if it is of string type. A user-defined function ... program if it is to be used to be used.
    ...
    Blondin235 Blondin235 March 2006 Sinclair Basic
  • Sintech titles no longer denienced!8 years after the initial denience ( June 1998 ), the 3 Ultrasoft titles that [URL="http://www.worldofspectrum.org/infoseekpub.cgi?regexp=Sintech"]Si…

    ... Spectrum BASIC doesn't do integer numbers - all numbers are floating ... is represented by its ascii string of digits followed by 14 ... ascii digits make it fast to list and the 5-byte ...
    Alcoholics Anonymous Alcoholics Anonymous July 2006 Games
  • Which would be fasterSay you want to use a variable value of 0 to 255 in a BASIC program, which way would be fastest? Say for arguments sake you wanted to use two variabl…

    [QUOTE=JamesD]If you use a fixed address it has to convert the address from a string[/QUOTE]

    No, it doesn't... number literals in a Basic listing have the integer form embedded alongside them.
    gasman gasman September 2006 Development
  • basizx newsHello. I've uploaded a new version of basizx. Now there is also an Amstrad CPC incarnation, able to LOAD and SAVE +3 basic files in disc. And the I…

    ... offer a pretty good speedup to the interpreter.
    The ... two versions of the interpreter to be used.

    Elimination ... to a 16 bit integer. Instead, they repeatedly converted them from a string ... . I think it would be wise to do the ...
    JamesD JamesD February 2007 Development
  • basizx newsHello. I've uploaded a new version of basizx. Now there is also an Amstrad CPC incarnation, able to LOAD and SAVE +3 basic files in disc. And the I…

    ... uses machine code routines to extend syntax, and I ... normal version of the interpreter to fall back on.
    To introduce indexes to lines or variables ... Instead of a string or 16 bit integer form of the ... just loads the pointer to the line you are ...
    JamesD JamesD February 2007 Development
  • basizx newsHello. I've uploaded a new version of basizx. Now there is also an Amstrad CPC incarnation, able to LOAD and SAVE +3 basic files in disc. And the I…

    ... ;169766]You don't have to introduce new codes. You could ... normal version of the interpreter to fall back on.

    string or 16 bit integer form of the line ... use a 16 bit pointer to the line.
    [/quote]
    NotFound NotFound February 2007 Development
  • basizx newsHello. I've uploaded a new version of basizx. Now there is also an Amstrad CPC incarnation, able to LOAD and SAVE +3 basic files in disc. And the I…

    ... $, MID$ but instead uses string slicing (as the original basic ... listed it as having no string slicing capability.

    to similar machines when running ... but in integer format so no floating point to integer conversion).
    Alcoholics Anonymous Alcoholics Anonymous February 2007 Development
<1234567…34>

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