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<1234567…34>
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... a thread that has a routine each week that is in [B ... what the hell is going on

    each week a new routine ... have your say on the best way of doing things

    ASH-II ASH-II April 2009 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... 't know - how about a machine code routine of the week?...something actually [I]useful[/I ... a single T-state off the routine each time?

    Any ... bright enough to make the worlds fastest code from day one.
    Sokurah Sokurah June 2012 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... I'm sick and tired of this thread. I mean - ... 't know - how about a machine code routine of the week?[/QUOTE]

    OK, ... here goes a routine for printing hexadecimal numbers:
    [code]
    printhexhl ... pop hl
    ret
    [/code]
    Patrik
    Patrik Rak Patrik Rak June 2012 Development
  • ZX Spectrum code examplesThe shortage of sites with decent code examples seems to be few. The links to alot of sites that used to host them are disappearing into the ether. …

    ... , but many useful code examples are posted in the "Machine code routine of the week" thread, but everything ... else can relatively be found using the ...
    Sokurah Sokurah February 2014 Development
  • Bring back the Speccy game of the week clubI propose we start up a game of the week club. My first two nominations for potential games are: Canyon Warrior and Where Time Stood Still Anybo…

    I propose we start up a game of the week club.

    My first two nominations for potential games are:

    Canyon Warrior

    and

    Where Time Stood Still

    Anybody else interested?
    BigBadMick BigBadMick June 2006 Games
  • How do I clear only a specific area of a screen (quickly) in machine code ?I'm looking for a machine code routine which will clear the first 20 rows of the Spectrum's display (or any number of rows or columns) . I have found…

    ... for a machine code routine which will
    clear the first 20 rows of the Spectrum ... coordinates of where to start (30 bytes).
    However, this machine code routine, when ... I tested
    it, is no quicker then the basic ...
    bobbyjaykid bobbyjaykid July 2007 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…

    ... and this question is about of same thing. I've experimented ... kind of playing routine ie. saved to first REM line, which do the ... how to enter the machine code routine to code or how to do the routine itself.
    jukka_k jukka_k March 2010 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…

    ... the whole of the popular assembly/machine code books for the specy avaliable for free on the ... remove it without impacting the reset of the routine... enough of the postulating...

    [/code]

    ok the routine...

    [code]
    ...
    wibble wibble August 2013 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…

    ... it around the pixel scrolldown routine in 40 Best Machine Code Routines for the ZX ... Spectrum, but I've encountered a couple of ... we aren't at the top of a group of 8 pixels
    the top of a group of 8 pixels
    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…

    ... reckon you can learn the basics of machine code in half an hour by ... a BASIC routine) is 'ret'.
    Click on the end of line 15 ... '
    Because our routine will continue from the loop when b=0 ... bc ;save score
    ;wait routine
    ld bc,$1fff ;max ...
    bigjon bigjon November 2009 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-…

    ... to explore Z-80 machine language for the heck of it and I ... my little attempt at learning machine code on the Spectrum made me realize ... is built into SPIN. One of the first things I realized when ... in lines of code, and then running it to watch the Spectrum crash ...
    memrah memrah September 2013 Sinclair Miscellaneous
  • Various Machine Code books, plus compilersA plug for the current set of things I'm selling on eBay, which includes various BASIC compilers, Pascal, and some machine code utilities, plus sever…

    A plug for the current set of things I'm selling on ... , and some machine code utilities, plus several machine code books and the usual ZX81 tapes ...
    hldswrth hldswrth June 2007 Sales
  • 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…

    ... the machine code in an ASCII format
    3) the "length" (in bytes) of the machine code ... program.

    The [B]start ... at runtime by halving the length of the machine code string in ASCII format ...
    BloodBaz BloodBaz November 2007 Development
  • storing machine code in BASICApart from putting m/c above RAMTOP, which means that it has to be POKEd or LOADed separately after the BASIC program; or putting it in a REM, which …

    ... Machine Code", which provides the best of both worlds. This installs machine code between the end of BASIC ... and the beginning of ...
    Battle Bunny Battle Bunny August 2010 Sinclair Basic
  • 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 some memory ... this:
    [code]PRINT USR 60000[/code]
    If the routine starting at that ... address leaves an integer in the ...
    wilsonsamm wilsonsamm February 2016 Sinclair Miscellaneous
  • Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…

    ... messing around with the German version for about a week, which I ... to install a user-written machine code routine inside the 50Hz interrupt handler. I ... to the screen by the program, which indicates that the end of the user interrupt routine ...
    Digital Prawn Digital Prawn October 2007 Games
  • Midi out on a ZX SpectrumYears ago (may be over 15 years...) I soldered a small adapter that lets a keyboard or synthesizer connect to the ZX Spectrum 128K's midi/RS232 port.…

    ... , there were several situations in the past that I wanted to ... use midi on the Spectrum with.

    1 ... . I used the Midi out port on a ...
    bverstee bverstee March 2010 Hardware
  • Machine Code QuestionHi All Not sure if this is the right place for this but it seems closest. Am starting to read the Toni Baker Intro to Machine Code book and its ver…

    ... /> Not sure if this is the right place for this but ... starting to read the Toni Baker Intro to Machine Code book and its ... is, and the hex machine code discussed in the book plus the relevant Opcode listings ...
    Womble Womble February 2006 Sinclair Basic
  • Urgent Help needed to fix this: calling all machine code gurusI am currently trying to write tutorials on the amazing Orfeus music composer by Proxima which allows you to do multi channel music through the beepe…

    ... channel music through the beeper.

    Part of the app allows you ... to compile and export the song, with ... most appreciated:

    [code]
    ; Disassembly of the file "song.bin"
    robpearmain robpearmain November 2006 Development
  • Fun accountancy question of the week!!!Just for the fun of it, I thought I'd share my latest tax problem with all my spec-chums on World of Sinclair. Read this and be thankful you aren't …

    ... RATES provided at the beginning of the textbook are as ... the first part of my answer, which matches the answer at the back of the ... at the back of the textbook! The breakdown given at the back of the textbook ... from an earlier edition of the textbook that used ...
    BigBadMick BigBadMick March 2007 Chit chat
  • The future of the Micro Mart 'retro' column... any suggestions?Hi folks, For the first time in a long time it seems that I've had some spontaneous feedback (from issue 1111) on the Micro Mart forums and elsewher…

    ... and to be honest, some of the more recent efforts have been ... obvious interest in the more 'techie' or 'geeky' aspects of [8-bit ... have a 'demo of the week' bit at the end of my column in each ... , with games being the exception rather than the rule. Perhaps I ...
    Shaun.Bebbington Shaun.Bebbington June 2010 Chit chat
  • PLOT and DRAW in machine codeHow do you go about it? If I posted a really simple BASIC instruction could someone do a machine code routine so I could learn from it? I wouldnt k…

    How do you go about it?

    If I posted a really simple BASIC instruction could someone do a machine code routine so I could learn from it?

    I wouldnt know where to start... :confused:
    daveysludge daveysludge January 2012 Development
  • Bored of the Rings coded messageI was browsing [url="https://tcrf.net/"]The Cutting Room Floor[/url] recently and stumbled upon the entry for [url="https://tcrf.net/Bored_of_the_Rin…

    ... [url="https://tcrf.net/"]The Cutting Room Floor[/url] ... ZX_Spectrum)"]Bored of the Rings[/url]. In part two of the game, there ... message:

    [code]"Bored Of The Rings"
    © 1985 DELTA ... 63 84 21[/code]

    And so the question arises: ...
    SkoolKid SkoolKid May 2016 Games
  • Loading schemes18 years ago I hated loading schemes like Alcatraz and Speedlock because they were a b*tch to copy and became unreliable when the tape got older. Now…

    ... I was thinking of is (say) a machine code routine along the lines of this:
    (I don't know machine code but ... was a remark (whatever the machine code equivalent of a REM statement is) pointing ...
    The Mighty Dopethrone The Mighty Dopethrone July 2003 Games
  • I am working on 'Stratego'.So finally Fuse is working on my EeePC started coding "Stratego". I have ideas about the artificial intelligence, but if you have ideas how to play …

    ... in Spin 0.666 - LOAD "" CODE was unnecessary as it's ... /> See the 'Machinecode routine of the week'. It's the controlroutine from Stratego. In the extended version ... go page up.

    The code now runs in upper memory ...
    Dr BEEP Dr BEEP February 2010 New game ideas
  • Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…

    ... could write a machine code routine that prints the screen in the set places, rather ... thing in machine code (well if I knew Z80 machine code! :-)). Most of the printing happens ...
    Paddy Coleman Paddy Coleman January 2012 Sinclair Basic
  • WANTED: Britain Invaded! instructions[deleted]

    ... s a small machine code routine in the zeroth line of the listing. Other ... 'C' to start the first turn of the game as instructed.
    the start of the program.

    As for the German ... /improved/corrected on further playing of the game.

    ...
    Digital Prawn Digital Prawn February 2012 Wanted
  • Something a bit like Jetpack Joyride in flavour?Jetpack Joyride is a fairly simple horizontal scrolling game, in which the player has one control. That control applies power to the jetpack as long …

    ... my pessimistic outlook concerning the idea of converting that game, ... the interest of the player, and that means the finer touches, the details, the extras, and the ... A fast optimised machine code routine, along the lines of XTM of TMG's scrolling suggestion ...
    kgmcneil kgmcneil April 2012 New game ideas
  • Compiling Lisp to Z80.I am doing some thought experiments on this. Here is an example of a Lisp program. It adds two numbers together. [code] (define (add x y) (if (= …

    ... Z80 code, and then I went and looked up the ... example, expects the end result of a machine code routine in the registers BC. ... Some use HL instead of ... to have calling parameters in the stack (unlike return values ...
    Timmy Timmy January 2013 Chit chat
  • Compiling Lisp to Z80.I am doing some thought experiments on this. Here is an example of a Lisp program. It adds two numbers together. [code] (define (add x y) (if (= …

    ... . I haven't tried running the code, of course.

    [QUOTE=Timmy ... , for example, expects the end result of a machine code routine in the registers BC. Some ... use HL instead of BC ...
    wilsonsamm wilsonsamm January 2013 Chit chat
<1234567…34>

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