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<1234567…34>
  • 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 closely associated with an algorithm in computer science so it ... a heap is "heapsort", a sorting algorithm that uses a heap to ... 1..N simplifies the heap algorithm; the consequence is that you ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
  • In Machine Code, what is the quickest way to sort bytes?I am playing around with some ordering of sprites, where I want to order them by vertical position. I used some Rodnay Zaks code to order some bytes…

    ... post here my procedures for sorting elements in asm:

    algorithm for sorting an array of string$
    sorting
    ; algorithm is extremely efficient for sorting small and medium ...
    rtunes rtunes August 2006 Development
  • The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…

    ... code comparison - let say some sorting algorithm.
    C64 has display modes ...
    piters piters September 2006 Sinclair Miscellaneous
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... -by-player-score function for sorting the "g_sortedPlayers[4]" array:
    sorting algorithm used is a [URL="http ...
    Alcoholics Anonymous Alcoholics Anonymous September 2007 Development
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    ... are focused on optimizing the sorting algorithm for randomized sequences of [B ... is to optimize a generic sorting algorithm for any value of [B ...
    Einar Saukas Einar Saukas October 2010 Sinclair Basic
  • 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 …

    ... considerably. Academic analyses of sorting algorithms only consider swapping ... items you are likely sorting. Will the extra time ... considered using a different sorting algorithm for the whole works ... of items (such as sorting items in bankswitched machines ...
    Alcoholics Anonymous Alcoholics Anonymous June 2012 Development
  • Math problemI'm trying to solve/model a science problem, and I thought a simple BASIC program might help me, but I struggle to write it. Goal: Given a length of…

    ... ! That's like the classic sorting algorithm for a deck of cards ...
    Paradigm Shifter Paradigm Shifter August 2013 Sinclair Basic
  • Mirroring UDG'sJust wondered is there a quick an easy way of mirroring UDGs (byte values)? i.e. BIN 11110000 becoming 00001111 etc.

    ... /> To me, that seems a "sorting" algorithm where it is known the ...
    mattsteel mattsteel August 2013 Development
  • Small demo to show my sprite engine for ZX Spectrum 48KThis demo shows 13 sprites moving at 50fps totally flicker free: 12 enemies bouncing in edges and the main character, controllable with OPSA (note S …

    ... sequence, according to a simple sorting algorithm, e.g. by checking the ...
    Hikaru Hikaru December 2013 Development
  • Knight Lore disassemblyHi, Not quite sure if this belongs here or in "Games" but figured it's more likely that developers would be interested. I've just released the …

    ... too much time)
    - optimized sorting algorithm (ame makes lots of comparisons ... sorted list from previous frame - sorting algorithm in game is faster when ...
    mariuszw mariuszw February 2016 Development
  • Knight Lore disassemblyHi, Not quite sure if this belongs here or in "Games" but figured it's more likely that developers would be interested. I've just released the …

    ... too much time)
    - optimized sorting algorithm (ame makes lots of comparisons ... sorted list from previous frame - sorting algorithm in game is faster when ...
    tcdev tcdev March 2016 Development
  • 3D Game Maker Classic TitlesOn Wos there are a few games made on the [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0001956"]3D Game Maker[/url]. Most of them are of poo…

    ... some improvements from me (new sorting algorithm, 50% faster)
    [url="https ...
    krt17 krt17 October 2017 Games
  • Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…

    ... the pain of writing a sorting algorithm (shame it doesn't work ...
    Paradigm Shifter Paradigm Shifter July 2022 Development
  • Bresenham's line algorithmHelp - I really am struggling to get my head around this algorithm. I don't know why, I coped with Cordic (SIN/COS) and integer divide routines (/10 …

    ... get my head around this algorithm. I don't know why ... am having problems coding this algorithm despite the existence of pseudo ... line
    ;Bresenham line drawing algorithm poorly implemented in the following ...
    Jimmy Jimmy August 2008 Development
  • Bresenhams circle algorithmI post here my final circle code to replace, if you want, the one in the ROM. It only uses integer math and runs very fast and is very compact. It is…

    ... />


    ;Bresenhams circle algorithm calculates the locations of the ...
    rtunes rtunes September 2008 Development
  • Any curve algorithm experts here?I'm wondering if any of you can help the helpless here. I'm just working on the Xmas Special intro animation, and I have a set of 3D points which des…

    ... anyone know of a good algorithm that produces a "nice-looking ...
    NickH NickH October 2009 Chit chat
  • Sorting through my collectionI've been busy sorting, checking and cataloging all of my Sinclair collection. There are a few things I have so far that are not in the WOS archive. …

    I've been busy sorting, checking and cataloging all of ...
    Hairy Hairy January 2010 MIA/STP/SDP
  • DRAW x,y,a Algorithm - how does the ROM do it?Hi all, Getting on with SpecOS, and one of the things I would love to do is to preserve the original ROM's behaviour when drawing Arcs. This is don…

    ... of the explanation of the algorithm...

    So if anyone ... !) implementation of the Arc drawing algorithm implemented by the ROM. Just ...
    Dunny Dunny August 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    ... I had a play with sorting algorithms - takes me back to ...
    Paddy Coleman Paddy Coleman September 2010 Sinclair Basic
  • Route Diagram Search Algorithm?With regard to a diagram of the sort of which the picture below is a simple example. Given that routes are restricted to those going down the screen,…

    ... so on). Is there an algorithm whereby I can determine if ...
    Battle Bunny Battle Bunny October 2010 Development
  • Chase HQ Pseudo 3d road algorithm ?Hello, I'm new to that forum and to the spectrum. I'm developping games for Colecovision (may be you hear about : Ghost'n Zombie and Smurf challe…

    ... to figure out the exact algorithm used in Chase HQ speccy ...
    youki youki February 2011 Development
  • Mazes and Tremaux's AlgorithmI've done a version of Tremaux's maze solving algorithm which solves my current test maze with 400 junctions and 715 connections in a reasonably quic…

    ... of Tremaux's maze solving algorithm which solves my current test ... solutions, or suggestions for another algorithm which can do that.
    Battle Bunny Battle Bunny October 2011 Development
  • SAGE gamebook project newsThat's the Spectrum Adventure Gamebook Enhancement, that is (for the time being, anyhow). I've updated the [url=http://www.users.globalnet.co.uk/~jg2…

    ... files relating to the Dijkstra algorithm (more on that later). I ... of the design details need sorting out. Game data is recorded ... done by using Dijkstra's algorithm for calculating the distances between ... the array needed for the algorithm (eg. over half a ...
    Battle Bunny Battle Bunny February 2012 Announcements
  • Sorting BusinessThis is a little bit different from the usual game-related fare but I know there are a few people here who like this sort of thing. This is about so…

    ...
    This is about sorting algorithms. z88dk has an implementation ... br />
    These sorting algorithms can sort anything according ... />
    The results for sorting 5000 random numbers:

    sorting items that are already ...
    Alcoholics Anonymous Alcoholics Anonymous May 2014 Development
  • Sorting variablesHi there. I'm trying to make a greyhound betting game. I'm ok on the straight win part but need some help with the other bets and sorting dogs(1st,2n…

    ... with the other bets and sorting dogs(1st,2nd,3rd. printed ...
    davepierce07 davepierce07 March 2015 Sinclair Basic
  • Chaos combat algorithm?I've searched, but nowhere can I find the algorithm that Chaos uses for combat, i.e. to determine whether a creature is killed. Does anyone know whe…

    ... nowhere can I find the algorithm that Chaos uses for combat ...
    SteveSmith SteveSmith January 2019 Games
  • 1982 Atari game, 'Entombed' - with uncrackable maze algorithmInteresting article: [url="http://www.bbc.com/future/story/20190919-the-maze-puzzle-hidden-within-an-early-video-game"]The mysterious origins of a…

    ... computer bits. The game’s algorithm decides this automatically by analysing ...
    Gwyn Gwyn September 2019 Chit chat
  • Pseudocode for CIRCLE algorithm?Can anyone provide me with the pseudocode for the Spectrum's CIRCLE algorithm? My machine code knowledge isn't up to reading the ROM routine. I'm try…

    ... for the Spectrum's CIRCLE algorithm? My machine code knowledge isn ... 'm trying to recreate the algorithm in another language and have ... using Bresenham's Midpoint Circle algorithm (copied from the web) which ...
    LevelUp LevelUp February 2020 BASIC
  • Matchpoint ball algorithmAnyone has any idea how Psions Matchpoint ball algorithm works? Are they calculating the balls' parabola (floating point for just the ball doesn't se…

    Anyone has any idea how Psions Matchpoint ball algorithm works? Are they calculating the balls' parabola (floating point for just the ball doesn't seem that calculation intensive) or do they use a known/common trick?
    tstih tstih July 2021 Development
  • Alien8 style 3D Tiles - TheoryHello, Are there any articles etc explaining how to do 3d style tiles, i.e. when to redraw those in front etc. I would guess you would need to work…

    ... 's algorithm: one way it can be implemented is by sorting objects ... effectively do the painter's algorithm. So it's just a ... painter's algorithm modified so that it's ... fairly fast as far as sorting z-order goes.

    Alcoholics Anonymous Alcoholics Anonymous August 2006 Development
<1234567…34>

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Related Threads

  • Bresenham's line algorithmHelp - I really am struggling to get my head around this algorithm. I don't know why, I coped with Cordic (SIN/COS) and integer divide routines (/10 …
  • Bresenhams circle algorithmI post here my final circle code to replace, if you want, the one in the ROM.<br /> It only uses integer math and runs very fast and is very compact.…
  • Any curve algorithm experts here?I'm wondering if any of you can help the helpless here. I'm just working on the Xmas Special intro animation, and I have a set of 3D points which des…
  • Sorting the wheat from the chaff...So, I know I can ignore posts by other forums members through the User CP, but is there a way to ignore new threads started by those ignored members?…
  • Sorting through my collectionI've been busy sorting, checking and cataloging all of my Sinclair collection.<br /> There are a few things I have so far that are not in the WOS arc…
  • DRAW x,y,a Algorithm - how does the ROM do it?Hi all, <br /> <br /> Getting on with SpecOS, and one of the things I would love to do is to preserve the original ROM's behaviour when drawing Arcs.…
  • Sorting an array...Hi Folks,<br /> <br /> Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o<br /> <br /> My first try was wi…
  • Route Diagram Search Algorithm?With regard to a diagram of the sort of which the picture below is a simple example. Given that routes are restricted to those going down the screen,…
  • Chase HQ Pseudo 3d road algorithm ?Hello,<br /> <br /> I'm new to that forum and to the spectrum.<br /> <br /> I'm developping games for Colecovision (may be you hear about : Ghost'n…
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