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<1234567…34>
  • Self modifying code ??I made a game in C that was mostly accessing arrays and using FOR NEXT loops, I ran out of memory, so I was thinking would it be possible to use sel…

    ... it be possible to use self-modifying code so that say 20 ...
    slenkar slenkar December 2013 Development
  • Anyone help re-factoring a tile functionI had some excellent feedback for re-factoring my function that displays the colour for my screen tiles. Can anyone offer some help to improve the fu…

    ... 've used a bit of self modifying code to access these at ...
    Mr Millside Mr Millside February 2005 Development
  • RrcaI'm having trouble finding an exact explanation to how all the z80 instructions work, but I get by ok on most of them. I'm sure I've been given link…

    ... , and does a lot of self-modifying and other things, whilst the ...
    mulder mulder October 2007 Development
  • Newbie's development thoughts.Just wanted to thank WOS development forum regulars, for the amazing information etc contained within these pages. 20+ years ago a did a little asse…

    ... using far too much dirty self modifying code, which I am sure ...
    uglifruit uglifruit July 2011 Development
  • 28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…

    ... memory. This would (a) use self-modifying code, and (b) result in ...
    TSLP3 HALT ; Hang around, modifying the instructions so that the ...
    AMW AMW April 2012 Development
  • Best debugging emulatorI just posted a thread about emulators in the 'Development' discussion. I'm looking for the best emulator for debugging so I can view my code in act…

    ... mustard as I loved using self modifying code back then so the ...
    David Jones David Jones September 2013 Emulators
  • IX+n and self modifying code and pasmoI'm using pasmo and if I wanted to use ix+n like this: (ix holds the position to a sinus table) ld (symbol), a LD a, (ix+symbol) What I want to do…

    I'm using pasmo and if I wanted to use ix+n like this:

    (ix holds the position to a sinus table)

    ld (symbol), a
    LD a, (ix+symbol)

    What I want to do is to use LD a, (ix+n), but declare n as a variable, and modify ...
    Arda Arda January 2015 Development
  • Problems with AY sound. Experts needed. :-)<div><span style="font-family: Arial, Verdana; font-size: 13.3333330154419px; line-height: normal;">I need to play some AY sound effects, so I've bee…

    ... not use interrupt or have self-modifying code. Compile the file "compilethis ...
    Sokurah Sokurah June 2015 Development
  • TommyGun with Debugginghttp://goo.gl/HfSXev?gdriveurl Ok, so this is a pretty big release for me and I have added a lot of stuff into the code editor. Mainly of course …

    ... debugger DOES NOT support [b]self modifying[/b] code.

    [b ...
    Kiwi Kiwi July 2016 Development
  • Disassembly starting from a tape fileFollowing on from the Atic Atak redefining keys thread, I was wondering how you'd go about disassembling the code from scratch. The approach used in …

    ... data structures have been initialised, self modifying code has run, etc., which ...
    thricenightly thricenightly September 2017 Development
  • Speccy snaphot to EXE I seemed to remember and reading at http://www.worldofspectrum.org/warajevo/Features.html I found[quote]Using the additional program ZXCOMP the Z80 …

    ... nearly impossible for many reasons (self-modifying code for example). So, ZXCOMP ...
    NRA NRA December 2018 Games
  • Machine Code ChallengeHere's a challenge for all you Z80 programmers. Points to be awarded for elegance and brevity. (I haven't got the solution either) HL addresses the …

    ... probably misled. I meant no self-modifying code. Anyway drop me a ...
    Geoff Geoff July 2002 Sinclair Miscellaneous
  • YM effects on Atari ST reproducable on Speccy?From the YM music format site: "SID-Voice SID-Voice is a great sound trick on the ATARI, because of low CPU consuming and great sound effects. It …

    ... routines (especially Follins, that are self-modifying), so chances are slim. What ...
    bcass bcass September 2003 Sinclair Miscellaneous
  • Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]

    ... especially interested if a non-self-modifying code version of yours would ...
    Alcoholics Anonymous Alcoholics Anonymous November 2003 Development
  • i want to start writing my own gamesi want to start writing my own games but have no idea how. is there any downloadable dummys guides or some software that teaches u how. the only expe…

    ... , unless you're doing a self-modifying program that XORs itself to ...
    Metalbrain Metalbrain February 2004 Development
  • T.I.M. - A New Interlace - Demo for DOWNLOADHere's something that's been in the works for quite a while ( mostly in my head ) and recently I've aquired assistance to help it come to fruition. …

    ... 'd usually start looking at self-modifying code (because I'm evil ...
    gasman gasman April 2004 Development
  • T.I.M. - A New Interlace - Demo for DOWNLOADHere's something that's been in the works for quite a while ( mostly in my head ) and recently I've aquired assistance to help it come to fruition. …

    ... 'd usually start looking at self-modifying code (because I'm evil ...
    Alcoholics Anonymous Alcoholics Anonymous April 2004 Development
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... turn off ACB stereo :roll:. *self-thwap* With that done, the ...
    ld (ptr),hl ; again self-modifying

    ld de,endaddr ...
    Alcoholics Anonymous Alcoholics Anonymous April 2004 Sinclair Miscellaneous
  • The Perils Of WillySorry if this is a really obvious question, but did anyone ever convert the V20 Perils of Willy to the Speccy?

    ... a lot of it is self-modifying or arranged in a quirky ...
    AndyC AndyC September 2004 Games
  • Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …

    ... is the simplest form of self-modifying code. Basically your storing the ...
    AndyC AndyC September 2004 Development
  • Reading the keyboardDoes anyone have a code sample to read the keyboard in machine code ?

    ... see its a bit of self-modifying code. LD (CALLADDR+1),DE ...
    dmsmith dmsmith November 2004 Development
  • Reading the keyboardDoes anyone have a code sample to read the keyboard in machine code ?

    ... see its a bit of self-modifying code. LD (CALLADDR+1),DE ... were paying attention...

    Self modifying code, the scourge of anyone ...
    rich_chandler rich_chandler November 2004 Development
  • Anyone help re-factoring a tile functionI had some excellent feedback for re-factoring my function that displays the colour for my screen tiles. Can anyone offer some help to improve the fu…

    ... 've used a bit of self modifying code to access these at ...
    Dr BEEP Dr BEEP February 2005 Development
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... /> inc hl ; read the header self-modifying the
    inc hl ; parameters ...
    na_th_an na_th_an October 2005 Development
  • MC TipPlace your MC tip here: Here is my first: When using alternate registers (EXX) the HL register must not be affected on return to BASIC. Also the IY…

    Self modifying code is fun, saves a ...
    Quazar Quazar November 2005 Development
  • MC TipPlace your MC tip here: Here is my first: When using alternate registers (EXX) the HL register must not be affected on return to BASIC. Also the IY…

    ... 13:13, Quazar wrote:
    Self modifying code is fun, saves a ...
    Dr BEEP Dr BEEP November 2005 Development
  • ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…

    ... Sprinter CamelForth (apologies for the self-modifying code):

    [code]
    glancaster glancaster April 2006 Hardware
  • How to speed up TZX loading (emu development)With many newer emulators there are options to do faster loading schemes, even for turbo-loader or protected loader blocks in TZX files. For example,…

    ... the system involves checksums and self-modifying code and god knows what ...
    Laser Laser May 2006 Emulators
  • ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…

    ... , most Russian code contains self-modifying code and stack tricks that ... Sergei provides also contains self-modifying code. This has prevented ... suffers from the usual self-modifying code and will need ... ready to go (no self-modifying code or stack tricks). ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
  • Protection - why?Just musing on my huge box of copied Spectrum games, and wondering why the publishers bothered using all those elaborate copy protection mechanisms. …

    ... a lot of the manic self-modifying decompression loaders and other stuff ...
    Laser Laser June 2006 Sinclair Miscellaneous
<1234567…34>

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  • Self modifying code ??I made a game in C that was mostly accessing arrays and using FOR NEXT loops,<br /> I ran out of memory, so I was thinking<br /> <br /> would it be p…
  • IX+n and self modifying code and pasmoI'm using pasmo and if I wanted to use ix+n like this:<br /> <br /> (ix holds the position to a sinus table)<br /> <br /> ld (symbol), a<br /> LD a, …
  • Self extracting gamesHi<br /> <br /> Does anybody know of a way to create individual self running games. ie using an emulator (or other program) to create a single file.I…
  • Modifying UK +2B for German TVI'd like to modify my +2B so the sound comes out of the telly. I already know I have to change the ceramic resonator X3 from 6 MHz to 5.5 MHz. I thin…
  • Self Relocating CodeOn page 47 of [url]http://www.tim-mann.org/trs80/doc/ldosq1-3.txt[/url] is an article about relocating code.<br /> The documented routine that perfor…
  • A note to self - in the future from the past.Has anyone come across this quirky site?<br /> [url]http://www.futureme.org/[/url]<br /> <br /> Apparently, you can write a note to yourself for the …
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