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Search Again :: Adv Search 1000 results in 0.019s
<1234567…34>
  • RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…

    ... from the ZX-Spectrum screen to significantly improve compression.

    The ... following table shows compression size for several screens using ... specialized routines for ZX-Spectrum screen compression.

    For instance, according ...
    Einar Saukas Einar Saukas January 2013 Development
  • Extended Art Studio (probably) isn't an alias for Advanced Art StudioCurrently infoseek shows [i]Extended Art Studio[/i] as an alias for [i]Advanced Art Studio[/i]. However, I suspect this isn't the case. Crash [ur…

    ... and Kempston Operating Systems, a screen compression facility and four extra fonts ...
    Bangstick Bangstick October 2021 Infoseek database
  • How do I put 1k game in a REM statement in TAP formatBasically, If I am assembling my machine code game, say using PASMO or TASM. 1. What address do I assemble it at to fit in a REM statement 2. What …

    ... about BMP2SCR's screen compression feature -- it compresses a screen$ and attaches the ... (I think) and displaying compressed screen$ for different resolutions.
    Alcoholics Anonymous Alcoholics Anonymous April 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…

    ... into from Your Sinclair for screen compression and get about a 10 ...
    The Starglider The Starglider January 2007 Development
  • Hi-colour gamesDoes anyone remember some of the games that used something called Ho-colour? Like the options page on the Agent X games, and a few others. If memory …

    ... was only a demo for Screen compression with 60 frames of animation ...
    LCD LCD February 2009 Games
  • Arcade Game Designer 2.0 releasedI know dozens of you downloaded the previous version of AGD. Well, you can put it away now because I've made some major improvements to that version…

    ... could be compensated by the screen compression now.
    BiNMaN BiNMaN September 2009 Development
  • Coming soon...[IMG]http://myweb.tiscali.co.uk/binman/trooper1.gif[/IMG] and [IMG]http://myweb.tiscali.co.uk/binman/gbomber.gif[/IMG]

    [QUOTE=fog;396381]is the screen data / colour map stored compressed.. ... .. is it redrawing the WHOLE screen? maybe you could claw some ... way also..[/QUOTE]

    screen compression has now been built into ...
    BiNMaN BiNMaN October 2009 Games
  • Arcade Game Designer 2.0 releasedI know dozens of you downloaded the previous version of AGD. Well, you can put it away now because I've made some major improvements to that version…

    ... need to be for the screen compression to 'kick in'?

    BiNMaN BiNMaN April 2010 Development
  • Arcade Game Designer 2.0 releasedI know dozens of you downloaded the previous version of AGD. Well, you can put it away now because I've made some major improvements to that version…

    ... need to be for the screen compression to 'kick in'?

    jonathan jonathan April 2010 Development
  • Best way to organise a multi screen game?Hi All, Does anybody know ay good ways to organise large multi screen game? Or any links to useful texts on the matter? In my previous single scr…

    ... 't allow for
    any screen compression.

    If you decide ... then you could build in compression that
    would take in ... give you better tips on screen compression,
    but one tip make ... exits match up on each screen otherwise the player can get ...
    BiNMaN BiNMaN May 2011 Development
  • Best way to organise a multi screen game?Hi All, Does anybody know ay good ways to organise large multi screen game? Or any links to useful texts on the matter? In my previous single scr…

    ... the data for an idividual screen is higher

    ... 150 bytes to build a screen and smaller tiles of ... has 16x16 pixel tiles and screen compression along the horizontal axis but ... surrounding something unique to that screen

    every one ...
    BiNMaN BiNMaN May 2011 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.…

    ... 34secs @ -58%, which gets the compression back up to around what ... />
    --

    Got the SCREEN$ compression down to 15secs @ -56% just ...
    Battle Bunny Battle Bunny March 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 …

    ... Laser Compact 5.2 for screen compression for so many years now ...
    jamorski jamorski 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 …

    ... no clear advantage either way. Compression of Cobra.scr was 13 ... on average this change improved screen compression by only 3.9 bytes ... 4 bytes on average per screen.


    [*] I ... format a little (basically the screen "thirds" are not reordered ...
    Einar Saukas Einar Saukas January 2013 Brand new software
  • RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…

    ... really thinking about compressing a screen full of sprite data ... before, so byte-wise compression won't find any more ... />
    The hard part with screen compression is all these best routines ... work on byte-wise compression, rather than the bit-wise ...
    joefish joefish January 2013 Development
  • RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…

    ... /> The hard part with screen compression is all these best routines ... -perfect bit-based statistical compression (such as range encoding ... in compression. A 75% accuracy should reduce each screen in ... adaptive bit-based statistical compression, since this would ...
    Einar Saukas Einar Saukas January 2013 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 …

    ... previous example even further. Screen compression works even better when combined ...
    Optimal LZ77/LZSS compression by Einar Saukas
    ...
    Optimal LZ77/LZSS compression by Einar Saukas
    ...
    Optimal LZ77/LZSS compression by Einar Saukas
    ...
    Einar Saukas Einar Saukas May 2013 Brand new software
  • Land of Mire Mare[Quote]This game has to be considered as a tribute. It's inspired by the unreleased Mire Mare game & characters created by Ultimate Play The Game in …

    ... that discussion he implemented a screen compression routine along the horizontal axis ... the less detailed the screen the better the compression.

    Sprites ...
    BiNMaN BiNMaN February 2014 Brand new software
  • LgK image compressorOk people, i decided to make it proper thread since i've finally got something tested & useful for everyone. Here is my "chunky" ZX image compressor …

    ... -based compressors):
    - better compression so far than generic data ... (de)pack any rectangular screen or off-screen area

    ... 1.5-2 secs per screen)
    - compression to slow for Z80 ... to 1/2 unmasked sprite compression ratio). But right now ...
    Lethargeek Lethargeek January 2016 Development
  • New Game: Fist-Ro FighterAwesome new game from Retrobytes Productions: [url="http://retrobytesproductions.blogspot.com.es/2016/03/fist-ro-fighter.html"]http://retrobytespr…

    ... /> I had noticed your new screen compression algorithm but decided not to ... already using ZX7 for both screen and data, with RCS added ... the results. I use data compression a lot and any new ...
    Alessandro Grussu Alessandro Grussu March 2016 Brand new software
  • New Utility Z80onMDR - Transfer Z80 snapshot to Microdrive CartridgesWith the growing popularity of the excellent vDrive [url]https://vdrivezx.com/vdrivezx/[/url] I've adapted one of my utilities to create Microdrive …

    v2.3a released which adds loading screen compression so you can fit more on a cartridge. Also better handling of the stack which is used for the launcher.

    Grab it at the usual place https://tomdalby.com/other/z80onmdr.html
    TomD TomD March 2022 Brand new software
  • Compressing SCREEN$Guys I'm trying to find an MC type-in routine for the 48K which compressed the screen (including attributes) into an area of memory and also restored…

    ... the 48K which compressed the screen (including attributes) into an area ... and also restored said compression back to screen area. Any ideas? I ...
    choccy48K choccy48K November 2004 Development
  • Return of Speccy screen buffer formatI recently discovered that the Spectrum screen buffer format that allows only two colours in an 8x8 pixel block has made its return in a slightly dif…

    ... discovered that the Spectrum screen buffer format that allows only ... graphics. The DXT1 texture compression format allows for four colors ... .php?/archives/22-Texture-compression-and-old-knowledge.html"] ... .php?/archives/22-Texture-compression-and-old-knowledge.html ...
    vilcans vilcans November 2005 Sinclair Miscellaneous
  • packers / crunchers and general compressionI'm just curious where I would find such things, coming from a c64 background also , there is shedloads. I mean the obvious things like crunchers fo…

    ... graphics and say screen maps, char packers etc also.. compression in general ...
    fog fog November 2009 Development
  • Grammar-based data compressionI'm working on a game for the 48k Spectrum but want a way to compress a lot of screens into a small space, so I'm looking into data compression. Each…

    ... I'm looking into data compression. Each screen is an currently a ... . I want to decompress each screen individually. There may be a ... on a fast PC so compression space/time is not that ...
    i love the z80s i love the z80s May 2015 Development
  • ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…

    ... screen memory layout in a way that allows easy compression ... of rectangular blocks of the screen (or the whole screen ... /> // uses a modified LZF compression
    // (https://en.wikibooks ... ld hl,screen ; 10t - start location of the compression
    TomD TomD April 2017 Development
  • Screen$ +3 disk to tape helpHi, I have several full screen pictures of my +3 disks (Screen$). How can I transfer these pictures onto tape without losing the last to lines beca…

    ... />
    I have several full screen pictures of my +3 disks ... (Screen$).

    How can I ...
    Stephen Stephen February 2001 Sinclair Miscellaneous
  • Most nice Loader ScreenHi, What is the better loader screen from speccy games?? or simply which is the screen you more remember.. I remember a lot the screen$ from Roboc…

    Hi,

    What is the better loader screen from speccy games?? or simply which is the screen you more remember..

    I remember a lot the screen$ from Robocop and HeadOverHeels.. also GreenBeret.
    Javier Alca?iz Javier Alca?iz March 2002 Games
  • Screen PreloadersDid any of you chaps write your own spectrum games or applications. If yes , did any of you guys manage to get a preloading screen going..... Its …

    Did any of you chaps write your own spectrum games or applications.

    If yes , did any of you guys manage to get a preloading screen going.....

    Its been a mystery to me , how to do this.
    ozonic ozonic April 2002 Games
<1234567…34>

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