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Search Again :: Adv Search 1000 results in 0.071s
<1234567…34>
  • Change PAPER and BORDER colours from machine codeHow do you go about changing PAPER and BORDER colours from machine code? I've forgotten the system variables for border and paper.

    How do you go about changing PAPER and BORDER colours from machine code?

    I've forgotten the system variables for border and paper.
    daveysludge daveysludge July 2014 Development
  • What 80's games authors are here?I realise there may be some who are keeping a bit quiet about who they are, but I'm using my real name as my WoS name and I know there are some other…

    ... of articles on accessing the +3 disk drive from machine code, one of which got ...
    JeffB JeffB December 2013 Sinclair Miscellaneous
  • Midi Out from machine codeI need to send midi-signals by machine code, while Basic is too slow for my current project. I already read I can use hookcode #11E, but I have some …

    ... to send midi-signals by machine code, while Basic is too slow ... at 0C000h.

    Bit 3: Select normal (0) or shadow ... />
    and specifically for the +3 (and thus the +2B):
    ROM 3: 48 BASIC
    Bit 3: Disk motor; 1=on ...
    bverstee bverstee April 2010 Hardware
  • divIDE +3e: How can I put games into hard disk?I've got a +3, a divIDE and the +3e ROMs. I want to copy some games in the CF card so my +3e could execute them from BASIC ("disabled" divIDE, loadin…

    ... BASIC loader (no turbo, no loading from machine code).
    - They must fit in ... a machine code loader so I could not copy it directly to disk ... ) questions:
    - Are there any +3(e) programa that navigates directories ...
    Zup Zup December 2012 Games
  • 128 BASIC-compatible way of loading BASIC as code?On a 48K Speccy (or from 48 BASIC or USR 0 mode on a 128K machine), one can do a silly trick like this: [code];; load a 4000 byte BASIC program ld i…

    ... ,4000
    call my_loader

    ;; run program from line 100
    Loading BASIC as code from the 128 BASIC interpreter ... work; it's the return from machine code that doesn't.

    stephenw32768 stephenw32768 September 2013 Development
  • LOAD "" CODE in machine code/store 128 bank dataHow do you LOAD "" CODE from machine code? I have written the following MC routine that fits into a REM statement in a basic program. I want to cal…

    How do you LOAD "" CODE from machine code?

    I have ... I want to call the ROM's LOAD "" CODE routine, nothing ... set permanent border colours.
    call 3503 ; ROM routine - clears ... br /> ld (23739),a ;hide loading messages

    ld ...
    daveysludge daveysludge October 2014 Development
  • Can I record binaries from any emulator with Basic commands, machine code, macros or something?Hello I do not know if this is the right place to put this question Normally with ZXSpin if I want to save a binary file, I'm going to: file ->…

    ... machine +2, +3, or another, etc
    directly from commands in basic or from machine code ... is recorded directly to PC from the emulator as different binary ...
    maeloterkim maeloterkim June 2019 Emulators
  • Transferring +3 Disk Image from PC to real +3Is there a way to do this without physically connecting the +3 disk drive to the PC? Something like a Speccy version of the "Xfer in C" utility for…

    ... this without physically connecting the +3 disk drive to the PC?
    loading this snapshot on the real ... +3 via DivIDE), but for some ... 't work. It flashed the disk drive LED, but didn't ...
    trellis trellis June 2009 Sinclair Miscellaneous
  • machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…

    ... back to BASIC after loading the Dizzy code, you probably shouldn ... possible to save the code correctly from BASIC. As zxbruno pointed ... t need to call any ROM routines from machine code so should be ... once the CODE blocks have been placed correctly. From amongst my ...
    Battle Bunny Battle Bunny August 2011 Sinclair Miscellaneous
  • Play command on divideHi, i thought I'd have a quick go on divide seeing as i had an afternoon spare.However,i can't seem to get the 'play' command on the screen?. It see…

    ... , lateron I decided to call the PLAY routine from machine code.
    But I ... 'rewrote' (copied) the PLAY routine from to my own routines.
    bverstee bverstee July 2012 Hardware
  • Play command on divideHi, i thought I'd have a quick go on divide seeing as i had an afternoon spare.However,i can't seem to get the 'play' command on the screen?. It see…

    ... on I decided to call the PLAY routine from machine code. But I had ... 'rewrote' (copied) the PLAY routine from to my own routines.[/QUOTE ... it strings of notes in machine code?
    chev chev July 2012 Hardware
  • Ghosts n' Goblins loaderI'm trying to put Ghosts n' Goblins onto a +3 disk but struggling to understand the mc loader. Basic loader [code] ink 7 : clear 25000 : load "" cod…

    Doesn't that prevents disk usage (well, at least in ... (when disk is not needed anymore/just before launching the main code ... in and out nor prevents disk usage from machine code. I've been able ...
    Zup Zup February 2014 Development
  • Machine Code Microdrive File LoaderI've been experimenting with transferring games to run from microdrive. Typically I like to see a loading screen while things are happening, and I li…

    ... the compressed screen
    3. Decompress the screen
    from a lazy Sunday afternoon, ... link

    [CODE];
    ; machine code microdrive file loader
    ... code file "1"
    ;
    ld de,16384 ; unpack loading screen
    call ...
    jp jp August 2009 Development
  • Strider II (and others) + 3 disk versionsHello everyone, I've been working on converting some games to be able to load them from the +3 floppy. I started with single load games but now Im i…

    ... page 0
    CALL DOS_READ ; read block lenght from header

    disk loading routine to 23900, jumps to ... is loaded:

    [CODE]org 48641

    cp ... ;select ram 6, rom 3
    call pagin ;calls paging
    ...
    BCH BCH July 2013 Games
  • What memory pages are being used in a +3DOS disk operation?To make a long story short: what pages are in use by +3DOS while doing read operations from the disk drive? Now, for the details, for those interest…

    ... +3DOS while doing read operations from the disk drive?

    ... for loading blocks into pages is really straightforward: from BASIC ... (page 2), and then, from machine code and interrupts disabled, I copied ... (as stated in the +3 manual), so I took the ...
    mcleod_ideafix mcleod_ideafix March 2011 Development
  • Disabling the +3 disk buffer; yes, but how?I would like to disable the +3 disk buffer in order to retrieve those 4K from the machine's RAMdisk. By reading the computer manual and some posts on…

    ... the +3 disk buffer in order to retrieve those 4K from the machine's ... forum I understand I should call the DOS SET 1346 routine ... yet understand how to call +3DOS routines from BASIC. I guess I ... even know where to start from, except that simply calling the ...
    Alessandro Grussu Alessandro Grussu February 2013 Sinclair Basic
  • Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…

    ... much faster in machine code.. all the cool kids use machine code.."

    loading values into registers..

    [code]
    3E ... BC from a value of 2 to return 3...

    [code]
    wibble wibble August 2013 Development
  • Ultimate games with short machine code files loaded lastThis is a bit geeky, you've been warned! I remember early Ultimate games loaded from tape had the ascending beeping noise, a "Please wait" message, …

    ... remember early Ultimate games loaded from tape had the ascending beeping ... loading screen (usually excellent but we know that), a large machine code file ... and then....
    2 or 3 short machine code files ...
    textvoyage textvoyage May 2016 Games
  • 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…

    ... my +3 it has been my go to machine. The ... of older games on disk format with pretty much ... to load the snapshot from disk without any screen corruption ... You can even add a loading screen if you want, ... working on a +3, even via loading from tape in 48k basic ...
    TomD TomD May 2019 Development
  • Machine CodeHi all, I want to get a machine code/assembler/dissasembler program from the WOS archives. But what in your opinion would be the best to get? I don`t…

    ... want to get a machine code/assembler/dissasembler program from the WOS archives ... be using a Spectrum+2/+3


    TIA,
    swift240 swift240 July 2007 Sinclair Miscellaneous
  • A few questions about machine codeOh no... another noob. I'm giving my first steps in assembler (finally, after 20 years stuck in BASIC). I read a SU article explaining that if I wan…

    ... 'SCF' every time I call $0556, or is it ... ld de,6912
    call 1366
    ld a,255 ... de,22564
    call 1366
    jp 30285[/CODE]

    call a routine from the spectrum rom, ... />
    I have a machine code tutorial here and I will ...
    zxbruno zxbruno August 2007 Sinclair Miscellaneous
  • One Liner - Machine CodeHi Dr. BEEP, Digital Prawn, et. al., I think that what you guys have achieved with the one liner contest is absolutely amazing. It brought about wh…

    ... have dreamed of. Apart from my early submission (SNAKE), ... a resultant machine code program (up to 289 bytes of machine code).
    3) the "length" (in bytes) of the machine code program.
    from here:[/B][/color]
    ...
    BloodBaz BloodBaz November 2007 Development
  • help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…

    I have started to code my first machine code program, a simple roadrace game ... scrolldown routine in 40 Best Machine Code Routines for the ZX Spectrum ... the line to be copied from
    dec hl ;ditto line ... /> and 7 ;focus on last 3 bits
    cp 0 ;check ...
    bigjon bigjon February 2008 Development
  • Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…

    ... Low byte)
    Any machine code function called from basic will return the ... basic program.

    CHAPTER 3 - move the car, test for ... ' = 'enable interrupts'
    Replace line 3 with 'di'. Insert line 29 ...
    bigjon bigjon November 2009 Development
  • Great Speccy Demo - With Documented +3 Disk loader routineEveryone here should check this out. Its a demo called "condommed" which I have just finished converting from TRDOS disk to tap file and +3 disk. It …

    ... just finished converting from TRDOS disk to tap file and +3 disk. It was ... I have documented my +3/+3e disk loading routine in it.

    from
    the TOSEC speccy repository ...
    nuggetreggae nuggetreggae December 2009 Development
  • machine code player routineHi all, Collecting all my courage to ask more (rather stupid attitude from me, but so difficult to ask questions and bother other people, don't unde…

    ... ask more (rather stupid attitude from me, but so difficult to ... to call a routine and 23760 is old method to save machine code ... effects and saves them starting from address 30000 in blocks of ... data block of length XX from address XXXXX,
    calls playing ...
    jukka_k jukka_k March 2010 Sinclair Basic
  • Summer express game competetionHello to all. I would like announce SUMMER EXPRESS GAME COMPETETION: [B]Theme:[/B] a game [B]Deadline:[/B] 1st September 2010 [B]Target:[/B] ZX Spe…

    ... into this thread.
    3) The relevant time is always ... disk system). That means you can call tape routine in rom from machine code ... but you can't call ... be rewarded by original cassete from my collection. Note the ...
    Fikee Fikee June 2010 Development
  • Small Machine Code Routines Which Maybe UsefulAs part of creating Flynn's Adventure in Bombland I created a lot of little routines to do all sorts of things. A lot of these I created based on inp…

    ... based on input from reading the posts ... I was learning z80 machine code.

    ...
    TomD

    [CODE]
    ; =======================================================================
    ; _PLOT2CHR - ... ; 4t - create bit 3 0000x000
    rla ; ...
    TomD TomD April 2011 Development
  • Saving and Loading from tape in MC?I'm actually having problems with saving and loading from the ROM routines for the interpreter... I'm currently using the following codes for saving…

    ... problems with saving and loading from the ROM routines for ... for saving and loading:

    [CODE]save:
    ... ld ix, _tape_header
    ld hl, _save_state
    call ... ld de, 17
    call 0x0556[/CODE]

    but somehow ...
    Timmy Timmy July 2011 Development
  • Machine code/Assembly language back in the dayHello. Back in the 80s when I was a kid, I didn't learn Z-80 machine code, but I was always curious about it. Just recently I decided to explore Z-…

    ... my little attempt at learning machine code on the Spectrum made me ... of tape loading time, and you re-type your code, this time ... the whole system from crashing in case bad code is executed? Did ... not needed to be loaded from tape every time? Were there ...
    memrah memrah September 2013 Sinclair Miscellaneous
<1234567…34>

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