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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…

    ... be adding byte- and word-circular buffer. To use, you must ... brand new MegaLZ for LZ compression. The former, of course ... to do the actual compression. Pucrunch was successfully used ... block determines the degree of compression achieved, since the decompresser ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 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 …

    ... circular buffer (with at least 2176 bytes since that's the maximum compression ... the circular buffer (assuming each block is always smaller than the circular buffer ... compression efficiency.

    Notice however that, besides a large circular buffer ...
    Einar Saukas Einar Saukas January 2014 Brand new software
  • The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…

    ... register, or to copy a buffer, simply LDIR it to wherever ... (well, also calculate where the circular buffer wraps around and do two ...
    Winston Winston November 2007 Hardware
  • Multiplayer online Speccy gaming - an actual technical proposalAs is so often the way, [url=http://www.worldofspectrum.org/forums/showpost.php?p=274215&postcount=121]trying to put into words why something is impo…

    ... - so keeping them in a circular buffer would seem to be a ...
    gasman gasman May 2008 Emulators
  • Creating a linked list in Z80[FONT=Calibri][SIZE=3]I am using a circular buffer to store tiles to be displayed on the screen. Tiles only appear for a set period of time, so when …

    ... =3]I am using a circular buffer to store tiles to be ... function that moves through the buffer looking for live tiles and ... . This works well and the buffer size is set based on ... wasted working through the whole buffer when there may only be ...
    Mr Millside Mr Millside October 2014 Development
  • 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…

    ... and queue. Byte- and word-circular buffer will be added in time ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
  • Question about digitized sound and videoI searched the forums and couldn't find the answer, so here it goes. Regarding digitized sound: I remember reading an article long ago about a vid…

    ... awkwardness because it uses a circular buffer which adds some calculation overhead ... out how to unload the buffer, and a screen is probably ...
    Winston Winston November 2008 Development
  • Random access, file sizes and more.A few days ago Aowen mentioned that random access to saved data is not a problem. Here are my thoughts, doubts and suggestions regarding this subject…

    ... hardware (with a sw circular buffer imposed on top of ... program. I've written circular byte buffer code, eg, that ... 4 ; enter de = dst buffer hl = size!=0, return hl ... 5 ; enter de = src buffer hl = size!=0, return hl ...
    Alcoholics Anonymous Alcoholics Anonymous November 2008 Development
  • Random access, file sizes and more.A few days ago Aowen mentioned that random access to saved data is not a problem. Here are my thoughts, doubts and suggestions regarding this subject…

    ... hardware (with a sw circular buffer imposed on top of ... other way around, the circular buffer is a feature of the ... data and the current buffer pointer that the W5100 ... address as such (the buffer is at a single ... figure out where the buffer wraps around. But that ...
    Winston Winston November 2008 Development
  • Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…

    ... the network data, unloading the buffer and generating sound at the ... 't have to manage a circular buffer in software with that chip ... sound, send it to the buffer and get on with something ...
    Winston Winston January 2009 Hardware
  • Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…

    ... which wrap around edges of buffer: it it takes less ... memory for buffer and buffer content is not going ... QUOTE]

    True, a circular buffer is certainly easier to handle ... my head around in the circular buffer model, particularly when the ...
    csmith csmith February 2010 Development
  • DivIDEo - streaming video on the DivIDEThis has been a bit of a personal holy grail for years and years, so I'm very pleased to announce the release of DivIDEo, my streaming video system f…

    ... other end can keep the buffer full.

    It's ... mapped. It's also a circular buffer which wraps at an arbitrary ...
    Winston Winston May 2010 Announcements
  • 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 …

    ... br /> ;driver plays sounds from circular buffer (32 positions)
    ;deleting ... ld l, a ;!!!! circular buffer is aligned on boundary of ... and put it into circular buffer at current position
    inc e ;circular buffer is aligned on 256
    Fikee Fikee November 2010 Development
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... need to make one circular byte buffer for example and reuse the ... for all drivers needing a circular buffer, not create 5 different implementations ...
    Alcoholics Anonymous Alcoholics Anonymous January 2011 Development
  • Serial protocol, help!Hi, simply trying to find best way to transfer programs from PC to real ZX Spectrum for testing purposes. Under Windows I tried using Spxfr and it w…

    ... check the 20 byte long circular buffer
    2) if byte is ... is not found in a buffer it will call _read_incoming function ... coming and read data into buffer ... according to some sources up ... -states

    ;; store to buffer
    ld (hl),a ; write ...
    tstih tstih May 2011 Development
  • BUZZSAW+ Demo No. 3Right, another demo of BUZZSAW+. [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_3.tap"]Joefish_Buzzsaw_Demo_3.tap[/URL] The default con…

    ... your port reads in a circular buffer for processing later in the ... then continuing to fill the buffer at the same rate while ...
    gasman gasman August 2011 Development
  • BUZZSAW+ Demo No. 3Right, another demo of BUZZSAW+. [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_3.tap"]Joefish_Buzzsaw_Demo_3.tap[/URL] The default con…

    ... your port reads in a circular buffer for processing later in the ... then continuing to fill the buffer at the same rate while ...
    R-Tape R-Tape August 2011 Development
  • z88dk sticky?I've just tried to PM Alcoholics Anonymous and couldn't because "Alcoholics Anonymous has exceeded their stored private messages quota and cannot acc…

    ... concerned it's just a circular buffer that sometimes magically gets characters ...
    AY Chip AY Chip January 2012 Development
  • LZ77 en/decodingI've written an LZ77 en/decoding routine as I couldn't find one around for the Spectrum. Initially I'm just doing it in BASIC to get the logic right.…

    ... LDIR operation).

    A circular buffer works with modular arithmetic. You ... somewhere within a fixed size buffer. Whenever you add to ... you can do is treat circular buffers as two concatenated ... in some of my own circular buffer code in z80 to speed ...
    Alcoholics Anonymous Alcoholics Anonymous March 2012 Development
  • 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"…

    ... above is just a small circular buffer, and DISTANCE is just a ... temporary buffer area. I assume my pseudo ...
    Einar Saukas Einar Saukas May 2013 Development
  • 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"…

    ... : take a position from a circular buffer, look at each position neighbor ... many of them into the circular buffer. In comparison, the A* implementation ...
    Einar Saukas Einar Saukas May 2013 Development
  • 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"…

    ... : take a position from a circular buffer, look at each position neighbor ... many of them into the circular buffer. In comparison, the A* implementation ...
    Patrik Rak Patrik Rak May 2013 Development
  • 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"…

    ... pretty much work in a circular buffer with very few elements, such ...
    Patrik Rak Patrik Rak May 2013 Development
  • 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"…

    ... algorithm only requires a single circular buffer. The best implementation would use ...
    Einar Saukas Einar Saukas May 2013 Development
  • 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"…

    ... there Einar Saukas for your circular buffer code there... You just made ...
    kgmcneil kgmcneil May 2013 Development
  • 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"…

    ... there Einar Saukas for your circular buffer code there... You just made ...
    Einar Saukas Einar Saukas May 2013 Development
  • 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"…

    [QUOTE=Patrik Rak;700143][QUOTE=Einar Saukas;700130]The problem is, you are applying asymptotic analysis to a limited size problem (i.e levels limited to size 24x32). Therefore the value of these constants make all the difference.[/QUOTE]

    Not ...
    Einar Saukas Einar Saukas May 2013 Development
  • interesting algoritm..look at Dynomite!/Popcap game(1:00-1:10): [url]http://www.youtube.com/watch?v=D10Tbisq9VM[/url] How to define what blocks from balls have to fall?

    ... />
    Presumably you use a circular buffer for scrolling the screen? That ...
    Paradigm Shifter Paradigm Shifter June 2013 New game ideas
  • interesting algoritm..look at Dynomite!/Popcap game(1:00-1:10): [url]http://www.youtube.com/watch?v=D10Tbisq9VM[/url] How to define what blocks from balls have to fall?

    ... ;705962]Presumably you use a circular buffer for scrolling the screen? That ...
    g0blinish g0blinish June 2013 New game ideas
  • interesting algoritm..look at Dynomite!/Popcap game(1:00-1:10): [url]http://www.youtube.com/watch?v=D10Tbisq9VM[/url] How to define what blocks from balls have to fall?

    ... /> EDIT: If you use a circular buffer probably best to have blank ... then you can wrap the circular buffer around with only logical AND ...
    Paradigm Shifter Paradigm Shifter June 2013 New game ideas
<1234567…34>

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