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<1…22232425262728…34>
  • 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 …

    ... . I tried
    [quote]Randomize USR 32768[/quote]
    but I ...
    Scorpion_Realities Scorpion_Realities October 2017 Development
  • Custom Menus on the ZX Spectrum +3Today, my Friends, i have the pleasure of presenting a program i have written which gives a set of custom menus on the +3. The main features of my p…

    ... +3 BASIC with [b]RANDOMIZE USR 23354[/b], there's just ...
    The_Bert The_Bert October 2017 Sinclair Basic
  • Is it safe to use TSTACK and OLDSP from a USR nnnnn environment?Hi guys, I've recently revived an old project of mine which gives the Spectrum +3 a new set of customised menus (see this thread [url="https://www.wo…

    Hi guys, I've recently revived an old project of mine which gives the Spectrum +3 a new set of customised menus (see this thread [url="https://www.worldofspectrum.org/forums/discussion/55357/custom-menus-on-the-zx-spectrum-3"]Custom Menus on the ZX ...
    The_Bert The_Bert October 2017 Development
  • Strange behaviour in very simple ASM program.Someone sent me this and it shows something strange. Here's the BASIC listing [code] 10 CLEAR 32999 20 FOR n=33000 TO 33009 30 READ a: POKE n,a …

    ... in 48k mode with PRINT USR 3300 no problem the computer ...
    ivanb303 ivanb303 October 2017 Development
  • Other than using attributes what other ways to detect collisions, when using char based movement?So I'm slowly working out the bits and pieces to write a game completely in assembly. I've been using attributes when writing in BASIC to detect whet…

    So I'm slowly working out the bits and pieces to write a game completely in assembly. I've been using attributes when writing in BASIC to detect whether and object hits another because this seems like an efficient way of doing it. I only have to check ...
    ivanb303 ivanb303 November 2017 Development
  • Witchcraft: Nirvana, Bifröst and such[url="http://www.rgcd.co.uk/2011/10/buzzsaw-zx-spectrum.html"]"When considering this next to nearly every other ZX Spectrum game though, Buzzsaw is l…

    ... per character square' rule that defined the look of Spectrum games ...
    The Mighty Dopethrone The Mighty Dopethrone January 2018 Sinclair Miscellaneous
  • 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…

    ... RandAccess
    20 LET udg=USR "a"
    99 CLEAR #
    mattsteel mattsteel May 2018 Sinclair Basic
  • ripping music out of a machine code demoi want to rip the first track out of this demo. unfortunately i dont know how its called. ive tried randomize usr to various locations but it either …

    ... its called. ive tried randomize usr to various locations but it ...
    digital digital July 2018 Development
  • EBAY GAMES - JACKAL / GUTZ / HEAVY ON THE MAGICK etc.... n job lots tooI have some Speccy games for sale right now - cutting my collection down a bit... (getting out of hand!) [url="https://www.ebay.co.uk/usr/personal_d…

    I have some Speccy games for sale right now - cutting my collection down a bit... (getting out of hand!)
    [url="https://www.ebay.co.uk/usr/personal_demon"]https://ebay.co.uk/usr/personal_demon[/url]
    retromad retromad July 2018 Sales
  • whats the easiest way to store a screen and then display it?so it can be called by a randomize usr, etc?

    so it can be called by a randomize usr, etc?
    digital digital July 2018 Development
  • Passing parameter from BASIC to assembler routineWas there a "clean" way of passing parameter(s) from a BASIC program to an assembler routine? Something like parameterising RANDOMIZE USR call? I fac…

    ... routine? Something like parameterising RANDOMIZE USR call? I faced this while ...
    mr.spiv mr.spiv November 2018 Development
  • ZY10, a tool to store and display some small bitmapped imagesZY10 Builder ============ Download at: https://www.sendspace.com/file/rncgbo ZY10 is a file format/tool to store some small images on the Spec…

    ... BASIC:
    POKE 49157, : RAND USR 49156

    * or in ...
    Timmy Timmy November 2018 Development
  • 21UDGS Graphics PlotterHello everyone, Enclosed is a dropbox link to the latest version of my 21UDGS program 1.03 which allows you to plot 21 User Defined Graphics on sc…

    ... you to plot 21 User Defined Graphics on screen.
    The ...
    Phil2 Phil2 November 2018 Software
  • Printing text, part MMXIIXI'm pretty sure there's been a zillion threads about this already, and I don't think it's the first one by myself either, but here goes. Proportiona…

    ... void drawstringz(unsigned char *aS, unsigned char aX, unsigned char aY)
    ...
    ; Loop while input char is not zero
    nextchar ... :
    ; Grab char and take data slice.

    ; next char, check if we're at ...
    Sol_HSA Sol_HSA December 2018 Development
  • Printing text using direct screen addressingHaving some problems printing using the FASE engine which is currently defeating me. Hoping to have someone clear out the bit of fog currently dwell…

    Having some problems printing using the FASE engine which is currently defeating me. Hoping to have someone clear out the bit of fog currently dwelling in my brain for this function. I'm trying to get the text working properly in 128k mode which uses ...
    andydansby andydansby December 2018 Development
  • Deathchase - Complete disassemblyWell, I only post here about once every five years, when I've got a few days off but my brain's still in "work mode" and wants to pull apart some cod…

    ... there are actually 12 sectors defined in the game, but only ...
    Ritchie333 Ritchie333 December 2018 Assembler
  • screen2sprite converter [python]written on python3 https://github.com/qboneteam/scr2spr coordinates and sizes sets in char usage: '-x', '--x', default=0, type=int '-y',…

    ... /> coordinates and sizes sets in char

    usage:

    71m05h1k 71m05h1k February 2019 Development
  • can any 128k features be accessed from 48k mode on a +2, +2a, +3, etc spectrum?like memory paging, ay sound, etc. i have seen that you can jump back into 128k basic from 48k basic on the +2a and +3 machines, using a simple ra…

    like memory paging, ay sound, etc.

    i have seen that you can jump back into 128k basic from 48k basic on the +2a and +3 machines, using a simple randomize usr command.
    digital digital February 2019 Hardware
  • Tape to +3 disk transferWhen the first basic part was merged from tape, to be saved to disk, and it looked like this: [img]https://i.imgur.com/UQx1hc2.jpg[/img] how di…

    ... "clear" value and no randomize usr in the first basic part ... PAUSE I00
    40 RANDOMIZE USR XXXXX

    Real noob ...
    wootlanter wootlanter February 2019 Sinclair Basic
  • More NOS Sinclair stuff on eBay ;)https://www.ebay.co.uk/usr/outsoft Enjoy ;)

    https://www.ebay.co.uk/usr/outsoft

    Enjoy ;)
    ranma_simon ranma_simon April 2019 Sales
  • Sinclair 128K Toastrack + many other new unused stuff on eBayEnjoy ;) https://www.ebay.co.uk/usr/outsoft

    Enjoy ;)

    https://www.ebay.co.uk/usr/outsoft
    ranma_simon ranma_simon April 2019 Sales
  • what does the USR command actually stand for?im sure its an acronym, if i remember rightly. ____ sub routine?

    im sure its an acronym, if i remember rightly. ____ sub routine?
    digital digital May 2019 BASIC
  • 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…

    ... restoring all the registers as defined in the z80 snapshot. You ...
    TomD TomD May 2019 Development
  • Monochrome monitorsSilly question perhaps, but thinking back were there any games specifically written to be used with a monochrome monitor? Is it true that monochro…

    ... phosphor) actually give a more defined picture than a crt colour ...
    Renegade Renegade June 2019 Games
  • is there a way of adding a define procedure command to zx basic?i know you can add things like renumber, using randomize usr to call it, but this would have to be keywords. this would be so helpful in basic as you…

    ... things like renumber, using randomize usr to call it, but this ...
    digital digital July 2019 Sinclair Basic
  • ZEsarUX 8.0 stableHi! I've uploaded a new FINAL stable ZEsarUX version, 8.0 :) You can download it, as always, from the url: https://github.com/chernandezba/z…

    ... , with realvideo disabled, and menu char width less than 8
    char width less than 8
    chernandezba chernandezba July 2019 Emulators
  • Speccy ABIMost compilers, and assemblers produces some sort of intermediate code. So I was just wondering, if -besides the binutils COFF- there is a standard …

    ... - there is a standard ABI defined for Speccy that would specify ...
    tstih tstih August 2019 Development
  • Stock Cars II, 3D is NOT 4 Players - turn based - it is 4 players - simultaneousHi, Stock Cars II, 3D from Challenge Software (UK) ( https://www.worldofspectrum.org/infoseekid.cgi?id=0012129 ) is NOT 4 - turn based - it i…

    ... II, Kempston and AGF-User-Defined-Keys-Interface) can be seen ...
    Luzie Luzie September 2019 Infoseek database
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