World of Spectrum
  • Categories
  • Discussions
  • FAQ
  • Sign In
Home › Search
Title Search
@title beer Word 'beer' in title
User Search
  • @user admin Only posts by Admin
Text Search
  • @body beer Word 'beer' in the text
Phrase Search
"Hello World" Exact phrase match
Exclude Terms
  • car -red Search cars that are not red
"Or" Searches
  • honda | bmw 'honda' or 'bmw' results
Multi-Field
@(title,body) hello Both contain 'hello'
WildCard
  • hond* civ* Match all with an astrix
Combination
  • @title bmw @user admin
See more supported syntax examples
Search Again :: Adv Search 1000 results in 0.019s
<1234567…34>
  • IF2 Rom snapshot creationHi, is it possible convert a Speccy 16k snapshot to a Interface 2 Rom file? I've the original Ultimate Pssst, Cookie, Trans-am and Jetpac tapes and …

    ... /> ;00 = BASIC
    ;01 = SCREEN$
    ;02 = CODE
    PUSH ... /> CALL prmsg
    DEFM "Loading SCREEN$"
    DEFB $0D+$80

    ;the code to compress screen$ should go here
    ;but ... ;allow 6 blocks of code/screen

    #END
    ...
    Jimmy Jimmy April 2008 Emulators
  • 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…

    Very interesting. So joe's prediction and XOR have similar compression ratios, and RCS+ZX7 compress better and is simpler.

    I have not found any CCITT T.6 (group 4) code example, keep looking.
    antoniovillena antoniovillena February 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 …

    ... decompressor code and the RCS+ZX7 compressed screen, saved in this case ... , neither with RCS+ZX7-compressed screens, nor with ZX7-compressed data which ... correctly decompressed with the "normal" ZX7-only routine instead.

    Alessandro Grussu Alessandro Grussu February 2013 Brand new software
  • 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…

    ... , in particular the very good zx7/rcs, but was written for ... +8pixelrows)
    // Can compress rectangle window or full screen
    //
    // LZF ... compress as follows:
    // control ...
    TomD TomD April 2017 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…

    ... br />
    [CODE]screen file| size | ZX7 |RCS+ZX7
    -----------+------+-------+-------
    Cobra. ... specialized routines for ZX-Spectrum screen compression.

    For ... The same screen, reordered with RCS before compressing with ZX7, is 1768 ...
    Einar Saukas Einar Saukas January 2013 Development
  • Designing an icon-driven adventure: looking for adviceHi fellas, after the release of Funky Fungus, I am currently contemplating the possibility of designing an icon-driven adventure with location graph…

    ... to remember RCS/ZX7 has the ability to compress and decompress just ... a portion of the screen, but ... are there other screen compressors which will ...
    Alessandro Grussu Alessandro Grussu April 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 …

    ... files, like screen data.[/QUOTE]

    The [B]"ZX7"[/B] demo ... looking for something that can compress/decompress large amount of individual ... try.

    The [B]"ZX7"[/B] documentation is fairly small ...
    Einar Saukas Einar Saukas December 2012 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 …

    ... with Ticks:
    Compress:
    [CODE]zx7 screen.scr screen.zx7[/CODE]
    Assemble ... dzx7_standard.asm
    here: incbin screen.zx7
    [/CODE]
    Count ... br /> fc /b demo.cut screen.scr[/CODE]
    Download [ ... /> fc /b demo.scr screen.scr[/CODE]
    antoniovillena antoniovillena 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 …

    ... There will be another ZX7 release in the future ... The official demo shows ZX7 decompressing Spectrum screens. ...
    [*] Alternatively, compress the entire 1/3 image ... screen addresses. This option may actually work better, because Spectrum screens compress ...
    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 …

    The difference is that ZX7 is a general pourpose packer ... . So if you want to compress only screens (like Laser Compact ...
    antoniovillena antoniovillena 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 …

    ... "1/3 screens" to compress, you should save more memory ... " without clearing the entire screen first, but classic adventures ... a ZX7 extension that should allow unpacking and reordering screen data ... URL], decompressing an entire screen takes at most 12 frames ...
    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 …

    ... Timmy mentioned he will use ZX7 to compress screens. The new utility ... will be called RCS ("Reverse Computer Screen ... :

    [CODE]screen file| size | ZX7 |RCS+ZX7
    -----------+------+------+-------
    scrh-1 ...
    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 …

    ... ] to compress data block of games. I shall try ZX7 for this ... , RCS filter for screen and other compressors support (like ZX7).

    antoniovillena antoniovillena 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 …

    ... automatically save on tape the ZX7 decompressor (adjusted for the chosen ... m seriously considering to implement "ZX7 Manager" in Sinclair BASIC instead ... ] to compress data block of games. I shall try ZX7 for this ... =0021446"]Laser Compact[/URL] for SCREEN$ blocks.
    Alessandro Grussu Alessandro Grussu 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 …

    ... ] to compress data block of games. I shall try ZX7 for this ... quick comparison between LermCC and ZX7 (without using RCS since it ... ):
    [CODE]
    screen file| size |LermCC|ZX7+decompressor
    -----------+------+------+----------------
    Cobra ...
    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…

    ... ;


    [*]Afterwards compress the generated file (in this ... your favorite packer, such as ZX7 (thus producing "Cobra.scr ... . There will be a ZX7 decompressor that understands the RCS ... format back into a regular screen. The standalone routine allows ...
    Einar Saukas Einar Saukas 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…

    ... Phase 1:
    Screen is reordered into vertical columns ... would make some screens compress a few bytes ... switch attributes, then apply ZX7, it will reduce Cobra ... However LedZeppelin.scr will compress to 2890 bytes, instead ... compress 1/3 or 2/3 of the screen ...
    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 …

    ... decompress the blocks made with ZX7. I followed these steps ... loading screen as an example:
    [LIST=1]
    [*]compress the ... RENEGADE.SCR file with ZX7 (it goes ... /> [*]import the RENEGADE.SCR.ZX7 file into an emulated Spectrum ...
    Alessandro Grussu Alessandro Grussu 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 …

    ... also noticed that zx7 compressed Apulija-13's loading screen to 3714 ... routine can successfully manage to compress and retrieve SCR files only ...
    Alessandro Grussu Alessandro Grussu 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 …

    ... being equal, if I compress the screen/data blocks of a single ... LIMS or Apulija-13 with ZX7, I would gain no more ...
    Alessandro Grussu Alessandro Grussu 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…

    ... screen? Otherwise, simply erase them, afterwards use RCS and ZX7 ... on the whole screen. If the remaining ... screen only. Afterwards, compress the first 18*8*32=4608 bytes using ZX7 ... you also need to compress/decompress the attributes separately ...
    Einar Saukas Einar Saukas 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…

    ... follows: assuming your splash screen occupies the first 18 ... screen only. Afterwards, compress the first 18*8*32=4608 bytes using ZX7 ... forget you also need to compress/decompress the attributes separately ... after. I compress this 5,184 bytes screen and use [ ...
    FrankT FrankT 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 …

    ... For instance, let's take screen [URL="http://zx.maros.pri ... it with RCS, and compress it with ZX7. You should now have ... it later directly to the screen at address 16384. First execute ... ; destination
    call 31100 ; ZX7[/CODE]
    When you assemble ...
    Einar Saukas Einar Saukas February 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 …

    ... instance, suppose you want to compress the [URL="http://www. ... ). In this case, ZX7 will produce "Rotatrix.zx7" with 155 bytes. ... ; destination
    call 31100 ; ZX7[/CODE]

    Afterwards we ... : REM decompress Cobra to screen
    [/CODE]
    Einar Saukas Einar Saukas February 2013 Brand new software
  • Designing an icon-driven adventure: looking for adviceHi fellas, after the release of Funky Fungus, I am currently contemplating the possibility of designing an icon-driven adventure with location graph…

    ... to remember RCS/ZX7 has the ability to compress and decompress just ... a portion of the screen[/QUOTE ... blocks", then simply draw each screen as a combination of them ... multicolor tileset, but each screen will be just a few ...
    Einar Saukas Einar Saukas April 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 …

    ... will need to compress them otherwise you won ... />
    [*] Now compress these 3 screen files using ZX7. You should see ... something like this:
    [CODE]zx7 ... Spectrum screen. For instance:
    [CODE]#include "zx7.bas ...
    Einar Saukas Einar Saukas May 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 …

    ... ]

    [*] Now compress these 3 screen files using ZX7. You should see ... something like this:
    [CODE]zx7 ... to understand exactly how to compress data (I'm fine with ...
    R-Tape R-Tape August 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 …

    ... understand exactly how to compress data (I'm fine ... Where do I type zx7 ScreenName.scr? Does this ... /> You must type [B]zx7 ScreenName.scr[/B] inside a ... where you have the screen(s) to be compressed ... can compress your screens typing:

    [B]zx7 ScreenName ...
    Einar Saukas Einar Saukas August 2013 Brand new software
<1234567…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

HitBox

Word Docs Hits
zx7 506 1.2K
compress 669 829
screen 45.8K 73.8K

Related Threads

  • Real Spectrum screen flicker with SCREEN$I've written a basic loader to simply do a 'load "" screen$' based video from a divide+ however I'm finding the Spectrum can't render a screens and a…
  • Wow! Splitscreen gaming goes full screen!!! One screen gives two fullscreen views!Sounds a bit Alice in Wonderland (If Lewis Carroll had written it in the twenty-first century) but aparently, using 3D glasses you can get two full s…
  • ULAPlus: showing different screen modes in one screenI wanted to write a demo showing the same screen, converted to various screen modes available on the Spectrum (well, a Spectrum clone capable of show…
  • Best Side Screen/Screen-Surrounds?I've been researching side-art/screen-surrounds for my own game, so at the risk of asking a question that has probably been asked in the last 20-odd …
  • Type a screen of text from the start screen.I've forgotten all the combo's of symbol-shift and so on, but is there a way, from Spectrum Basic to just type out a load of text? Problem is, as soo…
  • Mixed bag - Mangled in-game screen and/or loading screen.[url="http://www.worldofspectrum.org/infoseekid.cgi?id=0012757&amp;loadpics=3"]Black Raven[/url]<br /> <br /> Mangled in-game screen and loading sc…
  • the loading screen.It wasn't so bad in the past, with all the colourful lines during the loading stage. But now that everything has improved so much it is kind of annoy…
  • Screen$ +3 disk to tape helpHi,<br /> <br /> I have several full screen pictures of my +3 disks (Screen$).<br /> <br /> How can I transfer these pictures onto tape without losin…
  • Most nice Loader ScreenHi,<br /> <br /> What is the better loader screen from speccy games?? or simply which is the screen you more remember..<br /> <br /> I remember a lo…
  • Screen PreloadersDid any of you chaps write your own spectrum games or applications. <br /> <br /> If yes , did any of you guys manage to get a preloading screen goin…

Related Searches

  • fastest screen routine
  • screen routine
  • screen routines
  • zx7
  • fastest way to clear screen
  • issue 2 yellow screen
  • title screen
  • screen
  • basic scr screen
  • loading screen
  • preload screen
  • game over loading screen mac
  • loading screen game over
  • compress screen
  • z7x compress screen
  • 7zx compress screen
  • gussu compress screen
  • screen compress
  • screen zx7
  • hewson screen compress

Copyright © 2024 World of Spectrum