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<1…15161718192021…34>
  • 128K programmingDoes anyone know any good resources on assembly programming for the 128? All I'm after is an "idiot's-getting-started-guide" on how to utilise the…

    ... conversations here that you can switch between banks of memory, but ... .

    Any very simple code examples would also be really ...
    Morkin Morkin February 2016 Development
  • Calling machine codeOccasionally I see on ZX computers (mostly the spectrum, but I think also the '80 and '81), how someone made their machine code and wrote the bytes i…

    ... how someone made their machine code and wrote the bytes into ... like this:
    [code]PRINT USR 60000[/code]
    If the ... can also do
    [code]USR 60000[/code]
    if you are ... sometimes see
    [code]RANDOMISE USR 60000[/code]
    Can someone ...
    wilsonsamm wilsonsamm February 2016 Sinclair Miscellaneous
  • Help! I'm learning Machine Code...Having decided to take the plunge and learn to machine code a while ago, I have started in earnest using the much recommended 'Mastering Machine Code…

    ... the much recommended 'Mastering Machine Code on your ZX Spectrum' by ... probably the first ever machine code program I have ever ... leave them out.

    [code]
    First instruction at 9C40 ... INC B
    JP (469C)[/code]

    When I enter ...
    namtip namtip February 2016 Development
  • Z80-Code Flow-Chart Analysing ToolHi all, when working on my current Speccy Project with Pasmo, i imagined, it would be nice to have a tool for analysis of produced Z80-Code on t…

    ... analysis
    of produced Z80-Code on the Linux Commandline in ... of a large bunch of code this way would
    lead ...
    Andy Schraepel Andy Schraepel March 2016 Development
  • Simple bit of machine code not working [SOLVED]ishHi all. It's late and I'm tired and I have no idea why the following piece of code wont display a little smiley face [code]ld hl,udg ld (236…

    ... why the following piece of code wont display a little smiley ... face


    [code]ld hl,udg
    ld ... ,126,126,66,60,24[/code]

    I'm using ...
    Tobo Tobo March 2016 Development
  • Turning .src files in z80 source code into .tap files.Does anyone know how I might go about turning z80 source code in 5 .src files into a .tap or .tzx file so that I can play it into my Spectrum +3? …

    ... go about turning z80 source code in 5 .src files into ...
    matalog matalog March 2016 Development
  • Mastering Machine Code Toni BakerHi, I'm reading Mastering Machine Code by Toni Baker from the archive. On page 28 it mentions two programs to show the difference between ADD A,B …

    ... /> I'm reading Mastering Machine Code by Toni Baker from the ...
    jonesypeter jonesypeter March 2016 Development
  • New disc image format: LDBS... Yes, I'm doing exactly the same thing that [url="https://xkcd.com/927/"]XKCD 927[/url] portrays. Don't worry, I have my reasons. LDBS is an at…

    ... same code.

    I'm certainly not expecting everyone to switch ...
    John Elliott John Elliott March 2016 Emulators
  • Mastering Machine Code on your ZX Spectrum by Toni Baker - Chapter 17 Disassembling the ROMHi All, As promised I have posted the source code for the disassembler from Chapter 17 of Mastering Machine Code on your ZX Spectrum by Toni Baker…

    ... I have posted the source code for the disassembler from Chapter ... 17 of Mastering Machine Code on your ZX Spectrum by ... /2016/03/23/mastering-machine-code-on-your-zx-spectrum-by ... version and debugging the source code.

    There is currently ...
    dbolli dbolli March 2016 Development
  • TommyGun updatehttps://drive.google.com/file/d/0BwXFKYO5i1IlN2U4MUtrRVZZWUE/view?usp=sharing Hi, I have updated my TommyGun application and since we can't uplo…

    ... changes for this release.
    [code]
    * Installer
    o ... editor in development
    * Code Editor
    o Changed the ... .
    o Added bigger switch buttons to the Editor/Build ... files were opened in the code editor
    o Removed ...
    Kiwi Kiwi March 2016 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, …

    ... know that), a large machine code file and then....
    2 ... or 3 short machine code files. I always wondered why ...
    textvoyage textvoyage May 2016 Games
  • Text (ASCII) to ""CODE filesHello everyone! I've used BAS2TAP before to convert text into loadable BASIC programs. I want to do something similar but produce CODE files consist…

    ... do something similar but produce CODE files consisting of text. Is ... the input text as a "" CODE file (inside a TAP/TZX ...
    textvoyage textvoyage June 2016 Development
  • Apollo 11 source code releasedhttps://github.com/chrislgarry/Apollo-11 Now you can download the source code for the command and lunar modules on-board computers.

    https://github.com/chrislgarry/Apollo-11

    Now you can download the source code for the command and lunar modules on-board computers.
    Zoffy Zoffy July 2016 Chit chat
  • Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …

    ... simple, as the following basic code doesn't work.
    ... correctly
    ld b, 5 ; Bank 5
    ld c, 0 ...
    ld b, 7 ; Bank 7
    ld c, 8 ... /> jp nz, _loop
    ret[/code]

    I'm hoping ...
    pointblnk pointblnk August 2016 Development
  • Source codeHi all, I am starting zxsauce.com in a few weeks and am gladly accepting source code for inclusion to share for posterity. This will be a source c…

    ... and am gladly accepting source code for inclusion to share for ... . This will be a source code only repository. Thanks and best ...
    alienbanana alienbanana August 2016 Brand new software
  • Must be missing the point - machine code... Hi Folks, Trying my hand at machine code again but falling at the first hurdle. I hand crafted the following to run at address 62000 and the co…

    ... my hand at machine code again but falling at ... address 62000 and the code is supposed to fill ... 255.


    [code]
    LD A, &FF ... Loop1
    RET
    [/code]

    I have ... checked the code in RAM and it is ...
    Paddy Coleman Paddy Coleman September 2016 Development
  • MK14 keyboard replacementI'm the proud owner of a Science of Cambridge MK14! It seems fully functional, but the keyboard is a disaster - some keys don't seem to work at all, …

    ... it impossible to enter any code.

    I checked through ... .uk/p/click-effect-push-switch-ff87u"]Maplin[/url] seems to ...
    georgedb georgedb September 2016 Hardware
  • Turning an autofire switch into a buttonDear WOS, I have a slightly dumb question, but I think it needs asking: Can I turn an on/off autofire switch (which I salvaged from a dissected Ch…

    ... turn an on/off autofire switch (which I salvaged from a ... to be done (desolder the switch and wire up a Sanwa ...
    Swevicus Swevicus September 2016 Hardware
  • So it occurred to me; "Why bother with going into 48K BASIC when you can just....wrap the machine code calls inside a 'RST #28;DEFW addr:RET'?" Of course, you DO need a small M/C routine to do that, and ta-daaa, here it is: [cod…

    ... daaa, here it is:
    [code]
    DEFB #0D ; hide ... above ^^
    RET
    [/code]

    and here's ... anywhere you like)
    [code]
    1 REM M/ ... to write any model-specific code to switch mode

    ...
    The_Bert The_Bert September 2016 Sinclair Basic
  • ALIEN (Mindgames) Bugfix and Improvement.[code]ALIEN (Mindgames) [ZX SPECTRUM] BUGFIX & IMPROVEMENT by Ersh 2016-10-29 The following bugs are fixed: [BUG] INVENTORY BUG WHEN SWITCHING …

    [code]ALIEN (Mindgames) [ZX SPECTRUM] BUGFIX & ... 'Attack' with one character and switch to another
    character before ... you select another character and switch back 'Attack' will be ... to 'Remove Grill'.

    [/code]

    This is a ...
    Ersh Ersh October 2016 Announcements
  • how to load machine codeI'm reading Jon Caldwell's how to write Spectrum games but can't enter the code! Here's an example:_ LD BC, (score) Call 6683 I tried putting…

    ... but can't enter the code! Here's an example:_ ...
    mik3d3nch mik3d3nch November 2016 Sinclair Miscellaneous
  • 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…

    ... in my downloading Mastering machine code on your zxspectrum and typing ...
    mik3d3nch mik3d3nch November 2016 BASIC
  • Every Adult Can CodeI would like to request for a new section in the Every Adult can code category for C/C++. This is aimed for the users of the Z88DK. Thanks Andy …

    I would like to request for a new section in the Every Adult can code category for C/C++. This is aimed for the users of the Z88DK.

    Thanks
    Andy Dansby
    andydansby andydansby November 2016 Feature Requests
  • Code optimisation! 16bit number to 5 digit stringJust for interest this one, any thoughts on how to make this as fast as possible? Little optimisations to this routine or a complete reimagining? …

    ... complete reimagining?


    [code]number2string: ;arrive DE number, HL ... ' ;16 bit string number
    ;[/code]
    R-Tape R-Tape December 2016 Development
  • Nintendo SwitchSo, £280 with no game. Ouch! That might have just killed any chance it had to succeed. Still the new Zelda game looks good and the new Mario ga…

    ... price!
    And 1-2 Switch which is the Wii Sports ...
    Rebelstar without a cause Rebelstar without a cause January 2017 Chit chat
  • Testing your codeOk, guys, again I here with question. How do you test your works? I understand how to test functions and procedures mathematically (for example, g…

    ... semi-automata?

    Yes, code is assembly.
    Bedazzle Bedazzle January 2017 Development
  • New uses for Spectrum 48K - Light Switch ProjectHi All I'd like to use a Spectrum 48K unit as a light switch in my house. It will reside on the wall in my entrance hall and will be used to contr…

    ... 48K unit as a light switch in my house. It will ... be a simple on / off switch for the lights, not a ... over the existing twin light switch back box and will be ...
    Trebzuk Trebzuk January 2017 Hardware
  • Zeus Assembler Object Code LengthHi, I'm starting out assembler programming with Zeus Assembler. I've followed the tutorial in the manual and it seems quite nice to use. The on…

    ... know how long the object code is so you can save ... and length of your object code?

    Anyone know how ...
    garethadams garethadams February 2017 Development
  • Debugging on ZEsarUX by reading the source codeHI New feature for ZEsarUX: https://youtu.be/z-TipWv0n9g With that you can associate an assembler source code to a program in memory so it w…

    ... can associate an assembler source code to a program in memory ... debug it showing the source code. The trick works by finding ... labels on the source code with format LXXXX where XXXX ... QL rom because the source code has labels in this format ...
    chernandezba chernandezba March 2017 Emulators
  • Disable IF1 with switchOk probably silly question time but if you don't ask you'll never know, I have the JS128 which is great and has a jumper on the board to disable the …

    ... possible to simply add a switch to the IF1 to disable ...
    thesender thesender March 2017 Hardware
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