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  • Maths stuff...Was wondering if any of you guys could help me here. I need a mathematical formula or algorithm which will allow me to place 2D shapes within a give…

    ... need a mathematical formula or algorithm which will allow me to ...
    STeaM STeaM February 2010 Chit chat
  • Chess Program - Tournament - three possible types of... :-)Depending on program's settings (response time, as key factor), we can have 3 possible types of Tournament : 1. 'burst-mode' - with 30 or 45 seconds…

    ... or strong points of developers algorithm, but GENERAL conclusions are:
    Alex_Lux Alex_Lux March 2010 Games
  • Sprite MaskingI was looking at the sprites in some games, and noticed they have sprite followed by mask. Usually a row at a time (so the mask is sort of interleave…

    ... trying to work out the algorithm where this is useful...
    Gedlion Gedlion June 2010 Development
  • [SpecOS] Question about OVEROk folks, this one has me (and a few friends) stumped. How would you implement OVER in SpecOS? Bear in mind that I'm after an algorithm which I appl…

    ... that I'm after an algorithm which I apply to each ...
    Dunny Dunny September 2010 Sinclair Miscellaneous
  • A fast DRAW routineI was investigating how to speed up the line drawing for the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=20225"]BASIC compiler[/URL]…

    ... memory with a Bresenham's algorithm. This ASM routine "pokes" itself ... /> ; ---------------------------------------------------------------------
    ; DRAW using Bresenham's algorithm and screen positioning
    ; Copyleft ...
    boriel boriel December 2010 Development
  • PS3 now fully cracked and open?About a month back, a hacking group claimed that they'd discovered the PS3's 'key' algorithms, meaning that they can 'sign' any code. What this means…

    ... the program and a preset algorithm that considers every single byte ... determined by a very secret algorithm that previously only Sony knew ... hacking groups). And using this algorithm it is possible to make ...
    ewgf ewgf January 2011 Chit chat
  • ZXMMC+ emulation added to Z80p48K emulator for the V6Z80p+Hi friends! As time ago I've posted a thread about an FPGA clone for the V6Z80p board, I'd like to give an update about the status of the project. …

    ... (experimental). The original ULA contention algorithm is always applied. The tape ...
    adorigatti adorigatti August 2011 Hardware
  • Algorithm for rounding fractionsI could use some advice :smile: Let's say that I have some percentages that sum to 100% for example: 9,52% 28,57% 38,10% 9,52% 14,29% Now I'd like…

    I could use some advice :smile:

    Let's say that I have some percentages that sum to 100% for example:

    9,52%
    28,57%
    38,10%
    9,52%
    14,29%

    Now I'd like them to be rounded to integers, up or down but ...
    Ralf Ralf September 2011 Development
  • space optimisation algorithm neededScenario: * An adventure game consists of a series of locations, each of which may or may not have some text and/or graphics associated with it. * A…

    Scenario:

    * An adventure game consists of a series of locations, each of which may or may not have some text and/or graphics associated with it.
    * Although essentially linear, there are multiple routes through the game, progress is not ...
    Battle Bunny Battle Bunny January 2012 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 ... done by using Dijkstra's algorithm for calculating the distances between ... the array needed for the algorithm (eg. over half a million ...
    Battle Bunny Battle Bunny February 2012 Announcements
  • ROM switch on NMIHello! Please, help me or point in the right direction. I am building a project for 48k spectrum which must activate its rom (actually static ram) …

    ... i want.
    But the algorithm seems like an overkill. I ...
    ArtemKuchin ArtemKuchin April 2012 Hardware
  • ZXMAK2 - ZX Spectrum Virtual MachineHi guys! I'm glad to present you new version of my emulator! :) ZXMAK Version 2.6.2.3 ([URL="http://zxmak2.codeplex.com/releases/view/88804"]downlo…

    ... feature (thanks to Woody for algorithm)

    Your comments are ...
    ZXMAK ZXMAK June 2012 Emulators
  • P.A.W. - Help needed!!!!Hello!!! Anyone knows the algorithm used to convert bytes in the Spectrum RAM of P.A.W. games into ASCII? Back in the 1980s-1990s I knew how to do …

    ... !!!

    Anyone knows the algorithm used to convert bytes in ...
    marcoagpinto marcoagpinto July 2012 Development
  • ZX-Blockeditor 2.1 releasedDear ZX-Spectrum emulator fans, yesterday I've released ZX-Blockeditor 2.1 which now comes with several interesting news that were long needed: ZX-…

    ... . So I've created an algorithm "record the changes only", which ...
    clausjahn clausjahn July 2012 Emulators
  • ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …

    ... classic LZ77 ("Lempel-Ziv 1977") algorithm, using a data format very ... I invented a new compression algorithm for [B]"ZX7"[/B] that ...
    Einar Saukas Einar Saukas December 2012 Brand new software
  • checksum routine from Space GunThis routine starts off with HL=$ffff and a file header read from tape, for each byte of which in turn it assigns to A and calls this routine, ending…

    ... Burton-Krapinsky Potential Reality Differentiation Algorithm - or an invention of this ...
    Battle Bunny Battle Bunny January 2013 Games
  • New Game: Advanced Premiership SimulatorHi Friends, I discovered BASin last Saturday, and I've found it rather fun to play with. I ended up producing this; It's basically (no pun intended)…

    ... kid. Using a very simple algorithm, it simulates football matches between ...
    joe joe February 2013 Brand new software
  • New game: Funky FungusHappy Easter folks! What's better to do during these Spring holidays than playing some new game on our Spectrums? ;-) And lo, here is... [center] [y…

    ... 's "Smart RCS-ZX7" compression algorithm, in its "Agile" variant, for ...
    Alessandro Grussu Alessandro Grussu March 2013 Brand new software
  • pathfindingworking on pathfinding in the game. here is Russian description of Lee's algorithm: [url]http://algolist.manual.ru/games/wavealg.php[/url] "if-then"…

    ... Russian description of Lee's algorithm:
    [url]http://algolist.manual ...
    g0blinish g0blinish April 2013 Development
  • Some thoughs about fast scrolling on 128 modelPlease, consider this article as technically interesting concept not a proven algorithm. ONE The fastest scrollers use long sequence of PUSH inst…

    ... interesting concept not a proven algorithm.

    ONE
    The ...
    catmeows catmeows June 2013 Development
  • SkoolKit 3.4SkoolKit - a suite of utilities for creating disassemblies of Spectrum games in HTML (and ASM) format - has reached version 3.4. Some of the new stuf…

    ... than the default static analysis algorithm allows)
    [*]Switch CSS themes ...
    SkoolKid SkoolKid July 2013 Announcements
  • MOVE_M Object Movement Manager for BASICAs moving things around on the screen is usually the slowest part of a game written in BASIC, I've been pottering around with this routine to handle …

    ... needs a better random movement algorithm, and it needs to restore ...
    Battle Bunny Battle Bunny September 2013 Sinclair Basic
  • Rendering clipped glyphSometimes you need to render a glyph of arbitrary size to the screen. And clip it. For example: drawing a mouse cursor means combining drawing of a…

    ... right. What is the optimal algorithm to do it? (...what is ... the optimal generic algorithm to shift for N bits ...
    tstih tstih October 2013 Development
  • SkoolKit 3.6SkoolKit 3.6 has been released. In case you are unaware, SkoolKit is a set of command line utilities (written in Python) for disassembling Spectrum …

    ... the default static code analysis algorithm
    [*]do a much better ...
    SkoolKid SkoolKid November 2013 Announcements
  • Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…

    ... solution by extrapolating the classic algorithm of sucessive divisions by 10 ... .org/wiki/Double_dabble]"double dabble" algorithm[/url], which I didn't ... a hardware version of this algorithm for a school task, I ...
    mcleod_ideafix mcleod_ideafix November 2013 Development
  • Math Quiz - MultiplicationThe topic is fast multiplication routines, from 8x8 to 32x32 and all points in between. These functions sit underneath floating point libraries, gen…

    The topic is fast multiplication routines, from 8x8 to 32x32 and all points in between. These functions sit underneath floating point libraries, general integer / long / char multiplications, and general textnumber conversions, so there's interest in ...
    Alcoholics Anonymous Alcoholics Anonymous January 2014 Development
  • Help needed with calculating screen addressesCan anyone help me finally crack Jonathan Cauldwell's screen addressing calculator and, more to the point, is the reason I'm struggling because this …

    ... 'm struggling because this calculator algorithm is broken?

    Jonathan ...
    Jagd Tiger Jagd Tiger April 2014 Development
  • SkoolKit 4.0SkoolKit 4.0 has been released. SkoolKit is a set of command line utilities for disassembling Spectrum software, into ASM format or into a bunch of …

    ... the default static code analysis algorithm
    [*]do a much better ...
    SkoolKid SkoolKid May 2014 Announcements
  • Problem Reading the KeyboardHi Folks, I'm working my way through Toni Baker's rather good book and thought I'd write some code to scan the keyboard and store the results so tha…

    ... the results.
    ;Outline of algorithm
    ;
    ;1 - Store the ...
    KrazyKattapilla KrazyKattapilla July 2014 Development
  • Better arrangement for video memory?While doing some documentation work for the ZX-Uno project, I compared the advantages of the weird layout of the ZX Spectrum against a linear layout.…

    ... /> On the other hand, the algorithm to compute a display address ...
    mcleod_ideafix mcleod_ideafix September 2014 Development
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  • 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.…
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