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  • Type-in Checksum PuzzlerAt least one of the hex dump type-ins at [url=http://www.users.globalnet.co.uk/~jg27paw4/type-ins/typehome.htm]TTFn[/url] has a checksum routine a cu…

    The checksum algorithm used by PCW Plus adds ...
    John Elliott John Elliott September 2012 Sinclair Basic
  • 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…

    ... line we use the following algorithm -
    Choose a location in ...
    buzzy buzzy September 2012 Development
  • help needed :) how to rotate a 3 x 3 array 90 degreesI just cant seem to get this sorted in my head ( or on paper ) , I've found multiple examples in C , python , etc but cant find any z80 examples any …

    Now when the basic, working algorithm is established we can talk ...
    Ralf Ralf October 2012 Development
  • my tiny intros[IMG]http://pouet.net/screenshots/60493.png[/IMG] [url]http://pouet.net/prod.php?which=60493[/url] the following work will appear behind Demosplash…

    ... one often uses the same algorithm:
    pixel color or attribute ... /> DJNZ L9DD3 [/PHP]

    algorithm is similar - the index register ...
    g0blinish g0blinish October 2012 Development
  • decoding loading barsI was idly pondering if it would be possible to decode the tape loading bars - just the header, say, for a standard loader, to determine the title o…

    ... lines of having an automated algorithm to decode it all for ...
    Hikaru Hikaru October 2012 Sinclair Miscellaneous
  • Spectranet updateHi all It's been a busy summer, and in any case I've wanted a little bit of a break from doing Speccy stuff to avoid it getting old (pun intended). …

    ... 've never looked into the algorithm - is probably perfectly doable on ...
    gasman gasman November 2012 Hardware
  • Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …

    Looks as if you are ready for 'Bresenham' who's approach excludes the [I]sqrt[/I] function, and only uses sum and multiplication.
    [URL]http://cprogramtutorials.blogspot.nl/2011/09/bresenhams-ellipse-drawing-algorithm-c.html[/URL]
    roko roko November 2012 Development
  • Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …

    ... , which takes Bresenham's Circle algorithm, but applies it to ellipsis ...
    bobs bobs November 2012 Development
  • Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …

    I got the Bresenham algorithm working in Z80 assembler for ... REM BRESENHAM'S ELLIPSE DRAWING ALGORITHM
    1010 INPUT "Enter centre ...
    Battle Bunny Battle Bunny November 2012 Development
  • AY-3-8912 emulationI am trying to improve the emulation of the AY-3-8912 in FBZX wii. I studied the code of some emulators and read some documents. I would like to be…

    ... period and derive the generator algorithm.

    I can therefore ...
    Patrik Rak Patrik Rak November 2012 Emulators
  • Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …

    ... is done with the Bresenham algorithm using the calculator routines. The ...
    Battle Bunny Battle Bunny November 2012 Development
  • Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …

    ... got the 24-bit Bresenham algorithm version working.

    [center ...
    Battle Bunny Battle Bunny November 2012 Development
  • Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …

    ... a version of the Bresenham algorithm using the calculator a few ...
    Battle Bunny Battle Bunny November 2012 Development
  • Code execution logging/profilingAs revealed in [url="http://www.worldofspectrum.org/forums/showthread.php?t=41666"]this thread[/url], I'm adding support for reading code execution l…

    ... />
    I'm improving this algorithm for the next version of ... or data, the static analysis algorithm in the development version of ... about 10% lower than the algorithm that uses a code execution ...
    SkoolKid SkoolKid December 2012 Emulators
  • Code execution logging/profilingAs revealed in [url="http://www.worldofspectrum.org/forums/showthread.php?t=41666"]this thread[/url], I'm adding support for reading code execution l…

    ... 's map/profile/log-parsing algorithm so that it ignores addresses ...
    SkoolKid SkoolKid December 2012 Emulators
  • Code execution logging/profilingAs revealed in [url="http://www.worldofspectrum.org/forums/showthread.php?t=41666"]this thread[/url], I'm adding support for reading code execution l…

    ... 's map/profile/log-parsing algorithm so that it ignores addresses ...
    obo obo December 2012 Emulators
  • Code execution logging/profilingAs revealed in [url="http://www.worldofspectrum.org/forums/showthread.php?t=41666"]this thread[/url], I'm adding support for reading code execution l…

    ... , SkoolKit's default static analysis algorithm:[/b]

    Missed code ...
    SkoolKid SkoolKid December 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 …

    ... data. How good is this algorithm for this? Do you store ...
    Timmy Timmy December 2012 Brand new software
  • Level design and homebrew(g0blinish's thread on random maze generation prompted me to post this thread.) In your opinion WOSSers, what proportion of level design is [B]scien…

    ... a very interesting maze generating algorithm, and very-very funny.
    g0blinish g0blinish December 2012 Development
  • 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 …

    ... data. How good is this algorithm for this? Do you store ...
    Einar Saukas Einar Saukas December 2012 Brand new software
  • Maze Generator[URL=http://fastpic.ru/][IMG]http://i51.fastpic.ru/big/2012/1228/c7/d04669024fb0a70e66fcca07bc969bc7.png[/IMG][/URL] [URL=http://fastpic.ru/][IMG]ht…

    [QUOTE=ASH-II;672298]And now with pathfinder...
    [/QUOTE]

    see no way to deadend.was it wave's algorithm?
    g0blinish g0blinish December 2012 Development
  • Maze Generator[URL=http://fastpic.ru/][IMG]http://i51.fastpic.ru/big/2012/1228/c7/d04669024fb0a70e66fcca07bc969bc7.png[/IMG][/URL] [URL=http://fastpic.ru/][IMG]ht…

    ... deadend.was it wave's algorithm?[/QUOTE]

    Depth-First ...
    ASH-II ASH-II December 2012 Development
  • 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 …

    ... get using the best possible algorithm, calculated as "1+p0*log2 ...
    Einar Saukas Einar Saukas January 2013 Brand new software
  • 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 …

    ... 's the current RCS reorder algorithm:

    [CODE] int i ...
    Einar Saukas Einar Saukas January 2013 Brand new software
  • 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 …

    Einar, has you tried a xored RCS algorithm? I think you can add a simple variation to the ZX7 method for encode zero literal with less bits (for example 1 bit for zero, 10 bits for other literals and N+1 bits for matches).
    antoniovillena antoniovillena January 2013 Brand new software
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