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  • Confounded modern thingsIt appears the server instability has left a gap in the forums listing so I'll post this again. Given a complete lack of anything on the projects pa…

    Using Huffman compression and 2/3s of the screen it might be reasonable ... a way of using lossy compression techniques but standards like JPEG ... . If you could squeeze each screen into 1k then 108 rooms ... a bitmap background and use compression on the backgrounds.
    cyborg cyborg December 2001 Games
  • What is the best method for submitting .TZXsI think I've finally got me tape deck and sampler along with maketzx working, so I can TZXs all me old speccy stuff. If I come across a game/util/et…

    ... references say 96 dpi for screen res. This always puzzles me ... usually use JPEG, Baseline Optimised compression level 6 (High).

    Andrew Barker Andrew Barker November 2001 MIA/STP/SDP
  • Ripping Text from ZX games running on EmulatorsHello one and all - All hail Retro! I'd like to know how to rip all the .txt from ZX games running on a windoze emulator (I'm a writer and like do…

    ... they don't use text compression then you can simply look ... read the text from a screen shot if you have an ...
    cyborg cyborg November 2001 Sinclair Miscellaneous
  • PAW questionThis may not be the right place but anyways there it goes: I've been trying to figure out how to import graphic files in .SCR format in the PAW parse…

    ... the graphic information into the screen, the bitmap first, then ... I only know a simple compression algorithm even that should give ... because the way the spectrum screen memory is organised using these ... chunks will make loading the screen data very simple rather ...
    cyborg cyborg November 2001 Sinclair Miscellaneous
  • BMP2SCR ProHey LCD, yesterday i played with your new prog and i have to say that it's simply *amazing*! I have only checked the conversion part out, but i spend…

    I don?t use clever compression algorythms because if I ... the screens without any compression.
    These compression methods are just ... /> Scr-Order: The standard SCReen order without changes, is compressed ... 6 Kb depending on the screen (Mostly 3-5 Kb).< ...
    LCD LCD April 2003 Sinclair Miscellaneous
  • BMP2SCR ProHey LCD, yesterday i played with your new prog and i have to say that it's simply *amazing*! I have only checked the conversion part out, but i spend…

    ... than the screens without any compression.
    [/quote]

    compression technique would necessarily be ... 5 seconds for a multitech screen (~0.75 seconds for ... compressions followed by a huffman compression -- there might be some ...
    Alcoholics Anonymous Alcoholics Anonymous April 2003 Sinclair Miscellaneous
  • BMP2SCR ProHey LCD, yesterday i played with your new prog and i have to say that it's simply *amazing*! I have only checked the conversion part out, but i spend…

    ... improved them. They are from "Screen compressor Plus", which was printed ... tried to make a huffman compression for a test, with PK ... , but it ended with smaller compression efficiency and a error at ... .8 seconds for a Spectrum screen is not so bad.
    LCD LCD April 2003 Sinclair Miscellaneous
  • Who want to remake Double Dragon?Seeing as the Speccy version was crap (see my review: [url="http://www.gamestyle.net/retro.php?article=31"]http://www.gamestyle.net/retro.php?article…

    ... (or half of screen) to enable easy screen flipping
    if ... shifted to reach good speed. compression is not possible in realtime ... enough

    -classic screen x multicolor x interlace
    screen
    in game interlace is ...
    Fikee Fikee July 2003 Games
  • ANN: ZXF Issue 5 now availableWhat better way to spend a day of this summer swelter than to chill out in the sun with a copy of the latest issue of ZXF? :) Yes folks, ZXF05 is he…

    ... the screen as to not mess up the text. LCDs compression seems ...
    Amigo Amigo August 2003 Sinclair Miscellaneous
  • C, Z88DK and the Sprite Pack Library I wrote a short demo that shows a taste of what can be done from C on the Spectrum: [url="http://justme895.tripod.com/zqa/pacmen.zip"]http://justme…

    ... Spectrum display in Timex dual-screen mode

    + ... , any size placed on screen with pixel-precision.
    ... />
    + Subroutines for Calculating Screen Addresses

    + Several ...

    + Data Compression using a Huffman Static Encoder ...
    Alcoholics Anonymous Alcoholics Anonymous September 2003 Development
  • TAP audio to MiniDisc (successes?)I know this has been discussed a long while ago (along with archiving to MP3 format(s)), but I`m curious to hear from anyone who's had any expiriment…

    ... faint loading signals on the screen, and certainly no header loading ... due to the very high compression rates. Had no problems with ...
    vulga vulga September 2003 Sinclair Miscellaneous
  • Need_Help...*.SCR TO *.TAPPLEASE...NEED HELP... HOW MADE STANDART 6912 BYTES ZX-SPECTRUM SCREENBLOCK (.TAP OR .TZX),FROM .Z80 OR .SCR(.GIF) FILE??? In 'Taper' convert .z80…

    ... the snapshot and select the (compression) method.
    The possible ... that contains the
    screen corrupts the screen while loading, the block ... br /> more Kb, but the screen will look good all the ...
    Alessandro Grussu Alessandro Grussu October 2003 Games
  • C64 & Spectrum loadingscreens!I was bored today, so I decided to compare some stuff. :) [url="http://www.lemon64.com/loadingscreens/"]http://www.lemon64.com/loadingscreens/[/ur…

    ... attribute, or second screen (lacing), or 512x192 monochromatic screen. But SAM Coup ... , and if you even use compression, it can shrink under 6912 ... are... Look at the Title screen of Action force II. It ...
    LCD LCD February 2004 Games
  • BombjackThis has to be one of my favourite games ever. I've seen many Jet Set Willy remakes and some other remakes of great games. How easy / hard would it…

    ... , to create more backgrounds (with compression) or compress old backgrounds and ... />
    adress (FF7F) ..probably background screen no.
    F880 ...probably table ...
    Fikee Fikee April 2004 Games
  • Print 'n' Plotter SPRITE MACHINEJust got this from an ebay seller this afternoon. I just TZXd it and sent it to the Steve at the vault, yet it might be a while before it gets put up…

    ... . more compression in my experience.

    this one and Screen Machine ... are similar but the compression with Art-o ... -Matic is alot higher. Screen Machine ...
    Sadako Sadako April 2004 Games
  • Print 'n' Plotter SPRITE MACHINEJust got this from an ebay seller this afternoon. I just TZXd it and sent it to the Steve at the vault, yet it might be a while before it gets put up…

    ... , i don't think the compression is as high as it ... 'd like to check out Screen Machine's demo, if You ... sprites to print over a screen i use alot, ie. display ... , take the weapon off the screen. that's better than making ...
    Sadako Sadako May 2004 Games
  • New Turbo-Load version of Tales From A Parallel UniverseNot very interesting to most, but I know some of you still use 'real' Spectrums. While fiddling around with a program I created ages ago to build c…

    ... ]

    It loads into screen memory, so just hit 'enter ... it was to save the screen as a .scr file. I ... the compression code by loading that file directly back into the screen ...
    Lee Tonks Lee Tonks October 2004 Games
  • Compressed Loading ScreensHi everybody From my speccy memories I could swear I could remember games with loading screens that took less than normal time to load. But up until…

    ... and Sacarica.

    The screen in Thanatos is sketchy so ... . I remember learning to code compression algorithms and I noticed that ... before the compression actually begins.

    Of course spectrum screen IS ...
    Erlstoned Erlstoned November 2004 Sinclair Miscellaneous
  • New release of EmuZWinEmuZWin Version 2.6 Release 1.0 Beta? ? (30-Jan-2005): A lot of changes. Most important are: [+] Formats supported: RZX, SLT. [+] Sound devices sup…

    ... load it and try.
    ??? (+) Compression (UCL and LZip) also are ... also for Direct-X full screen.
    ??? (+) Keyboard state now provided ... mode requested for DirectX full-screen but the hardware can not ...
    Vladimir Kladov Vladimir Kladov February 2005 Emulators
  • demo makingHow do you make a demo containing lots of pictures, I can only see how to make a string of screen$ like in a couple of animations by Anestis (sorry I…

    ... ]

    First screen is a full (compressed) screen all the other ... the changes to the previous screen.

    And now 16 ...


    With just compression we got 10 screens in ...
    Dr BEEP Dr BEEP May 2005 Sinclair Basic
  • Interest in a new adventure game?After recently reading the feature on Gilsoft in Retro Gamer I got the urge to go back to my adventure tools and create something which was actually …

    ... screen in size. i looked around alot hoping for a "super" compression ... that compresses screens highly was screen machine but it wasn't ...
    Sadako Sadako June 2005 Games
  • LCD televisionsHas anyone here got an LCD tv ? I went into my local Sony Centre today to have a look at some and of course they had both LCD and CRT screens on disp…

    ... it shows up all the compression artifacts on digital telly, and ... and there is absolutely no screen blur in games like UT2004 ...
    Refrenz Refrenz June 2005 Chit chat
  • Bloody idiotic software companies!Why is it that so many companies these days assume (arseume?) that everyone has an Internet connection at home?? That's far from being true, at least…

    ... fly (a reasonable amount of compression would result in no noticable ... and smooth enough when the screen is clear of enemies, but ... when many enemies appear on screen at once. Maybe HL2 will ...
    ewgf ewgf September 2005 Chit chat
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... games I use the pucrunch compression alongside the decompressor which ... , what's already printed on screen also changes.

    ... I draw something to the screen [I]externally[/I] - ... located somewhere which decompresses a screen into video memory @ 4000h, ...
    na_th_an na_th_an September 2005 Development
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... na_th_an wrote:
    pucrunch compression alongside. The compressor is like ... what's already printed on screen also changes.
    [/quote ... inside sp_UpdateNow when the screen is drawn. Whatever the ... store an entire Spectrum-size screen in memory (6912 bytes ...
    Alcoholics Anonymous Alcoholics Anonymous October 2005 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…

    ... format. Other systems had similar screen formats as well, so it ... the designers of these texture compression formats knew that formats like ...
    vilcans vilcans November 2005 Sinclair Miscellaneous
  • Run Length DecodingRun length encoding/decoding is far less efficient than using a modern compression program.

    ... = your data, DE = your screen), and a counter for the ... if it's not a compression code then write it to ... If (HL) is a compression code, just do something slightly ... you're expanding a screen that's all about rocket ... them to either the screen, or to a buffer ...
    icabod icabod March 2006 Development
  • Run Length DecodingRun length encoding/decoding is far less efficient than using a modern compression program.

    ... is the fact that custom screen compressor will work with logical ... compressor will suffer from "ilogical" screen structure

    aowen: i ... combination of RLE and statistical compression.
    Documentation for pucrunch is ...
    Fikee Fikee March 2006 Development
  • Run Length DecodingRun length encoding/decoding is far less efficient than using a modern compression program.

    ... ld hl, comic_adr ;adress in screen memomory
    ld c, ... bit 7, a ;check for compression
    jr z, unpak_scr2 ...

    ;compression
    and 127
    ld ... want to focus to compression ration then i ...
    Fikee Fikee March 2006 Development
  • Wanted: Game Ideas!Ok then here goes nothing. I'm a reasonably good programmer, but I'm really no good at coming up with game ideas and graphics. So if any of you have…

    ... for cca 200 locations without compression.
    16KB page for texts ... . with some kind of vocabulary compression about 25KB of plain ascii ... 10KB unused in bank7 (2nd screen).

    so i believe ...
    Fikee Fikee April 2006 Development
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