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<1234567…34>
  • z88dk v1.99A Release Candidate[b]Z88DK VERSION 1.99A RELEASE CANDIDATE[/b] Download from: http://nightly.z88dk.org/Releases/ The release candidate will be available for te…

    ... ++ STL containers), fzx (proportional fonts), BIFROST/NIRVANA/SP1 (zx), tritone music and ...
    Alcoholics Anonymous Alcoholics Anonymous December 2015 Brand new software
  • New WoS and ZXDBIt turns out new WoS is using [url="https://github.com/zxdb/ZXDB"]ZXDB[/url]! More precisely [url="https://github.com/zxdb/ZXDB/blob/c4bd3e40d81a8d47…

    ... ] contained the following comment for BIFROST* ENGINE:

    [code]Inspired ... to new WoS, BIFROST* belongs to a group called "BIFROST/NIRVANA" (exactly like ... in ZXDB), although NIRVANA itself was removed ...
    Einar Saukas Einar Saukas June 2020 Updates
  • Subtract 4 from an addressThis is a novice Z80 question really: I'm trying to vertical scroll my back buffer, but I'm not sure of the quickest way to apply an offset and mo…

    [quote="Atari_Jetman;834137"]Could you use the stack to draw a 16x16 tile to the screen efficiently?[/quote]

    Yes, this is exactly how BIFROST*, NIRVANA and NIRVANA+ work. The source codes are available at the link in my signature below.
    Einar Saukas Einar Saukas September 2015 Development
  • Lime Rick, like Snake but with gravity[B]Lime Rick[/B] by [url=http://www.kissmaj7.com/games/]Kissmaj7[/url] is an elaborated version of "I Left Myself Behind". It's a puzzle game with an…

    ... can't believe how good Bifrost/Nirvana games can look.

    wizbob wizbob November 2015 New game ideas
  • z88dk v1.99A Release Candidate[b]Z88DK VERSION 1.99A RELEASE CANDIDATE[/b] Download from: http://nightly.z88dk.org/Releases/ The release candidate will be available for te…

    ... ]

    contain demos for bifrost, nirvana+ and sp1. The compile lines ...
    Alcoholics Anonymous Alcoholics Anonymous December 2015 Brand new software
  • endless runner project..So I'm thinking of writing a small tutorial series on writing games for the speccy in C, and figured that an endless runner would be an easy example …

    ... like the sprite libraries (sp1, bifrost, nirvana, etc). The tools are very ...
    Alcoholics Anonymous Alcoholics Anonymous May 2017 Development
  • z88dk multicolour enginesI've been trying to work out how the multicolour sprite engines have been implemented in z88dk. It's not obvious. Looking in the source, I found …

    ... anything. Because engines like bifrost, nirvana and sp1 create code ... BIFROSTL_stop() to stop the bifrost engine. This subroutine sets ... just disable interrupts to stop bifrost with, eg, intrinsic_di(). ... so you can restart bifrost later. Use something like ...
    Alcoholics Anonymous Alcoholics Anonymous July 2017 Development
  • A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…

    ... /infoseekid.cgi?id=0027405"]BIFROST*[/URL], [URL="http ... in BIFROST*, 20 columns in upcoming BIFROST?). The [B]NIRVANA ENGINE ... for BIFROST* (that nobody ever read...), the [B]NIRVANA ENGINE ... ]NIRVANA ENGINE[/B] doesn't animate tiles automatically (like BIFROST* ...
    Einar Saukas Einar Saukas November 2013 Brand new software
  • NIRVANA LogoDespite my lack of artistic talent, people didn't complain too much about my previous attempt to design a [URL="http://www.worldofspectrum.org/forums…

    ... /forums/showthread.php?t=44660"]BIFROST* Logo[/URL]. So I ... /sinclairfaq/index.php5?title=NIRVANA_Engine"]NIRVANA Engine[/URL]...

    ... choose an official logo for NIRVANA, so more skilled artists ... have another idea for a NIRVANA logo, please post it ...
    Einar Saukas Einar Saukas May 2014 Development
  • New NIRVANA+ feature: wide tiles!The size of each bicolor tile in [b]NIRVANA+[/b] is 2x2 characters (16x16 pixels), like this: [img]http://i60.tinypic.com/mw358y.png[/img] [i]* M…

    ... R-Tape (from the official BIFROST* demo) converted to bicolor[/i ... is exactly the reason [b]NIRVANA+[/b] now provides support ... default, in the official [b]NIRVANA+[/b] distribution, to avoid using ... b], I suggest downloading [b]NIRVANA+[/b] again anyway, because ...
    Einar Saukas Einar Saukas September 2015 Brand new software
  • NIrvana (Bifrost) compatible free android emulators?Marvin does not seem to support Nirvana graphics....any other free emulator to suggest?

    Marvin does not seem to support Nirvana graphics....any other free emulator to suggest?
    gabriele amore gabriele amore July 2016 Emulators
  • A new multicolor engine called BIFROST*I'm glad to announce the release of a new multicolor engine implemented by yours truly, including high quality 16x16 tiles designed by R-Tape: [IMG]…

    ... : besides crediting ZXodus influence in BIFROST* ENGINE itself, my "license" ... whenever a program uses the BIFROST* ENGINE. I believe this ... credit is provided. Although BIFROST* ENGINE did not exactly ... him as co-author of BIFROST* ENGINE itself, instead of ...
    Einar Saukas Einar Saukas March 2012 Brand new software
  • Multicolour demo using z88dk + BIFROST* (+source)This is just a demo to show how to show multicolour using z88dk, using the BIFROST* engine (more info [URL="http://www.worldofspectrum.org/forums/sho…

    ... multicolour using z88dk, using the BIFROST* engine (more info [URL ... /> Note3: Please read the original BIFROST* thread before using engine for ... /> [CODE]

    /****************************************

    BiFrost demo

    08 March ...
    Timmy Timmy March 2012 Development
  • BIFROST* ENGINE with Spectrum 128K support is out!The BIFROST* ENGINE release 1.1 is finally available, now providing also support for all Spectrum 128 models. You can download it from here: [url]ht…

    The BIFROST* ENGINE release 1.1 is ...
    Einar Saukas Einar Saukas April 2012 Announcements
  • Help wanted: BIFROST* 1.1 on real hardware?[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027405"]BIFROST* ENGINE[/URL]'s latest release 1.1 implements support for all standard Spectr…

    ... .org/infoseekid.cgi?id=0027405"]BIFROST* ENGINE[/URL]'s latest release ...
    Einar Saukas Einar Saukas April 2012 Hardware
  • BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…

    Another improved version of the BIFROST* ENGINE is now available! Download ... use automated updates to let BIFROST* interrupts animate it automatically afterwards ... written for previous versions of BIFROST* will still work, except for ...
    Einar Saukas Einar Saukas July 2012 Brand new software
  • BIFROST* Advanced Programming - part 1In BIFROST*, it's much easier to just make changes in the tile map and let the engine automatically draw & animate everything in multicolor for you. …

    ...
    [CODE]/* ----------------------------------------------------------------
    * BIFROST* ENGINE HI-DEMO #1

    #include "bifrost.h"

    #define printMode ... attributes (no glitches since BIFROST* is still disabled)
    Einar Saukas Einar Saukas July 2012 Development
  • BIFROST* Advanced Programming - part 2This second demo shows animated and moving tiles together, and also how to implement collision detection. This knowledge should be enough to implemen…

    ... :
    [CODE]/* ----------------------------------------------------------------
    * BIFROST* ENGINE HI-DEMO #2

    #include "bifrost.h"

    #define PX2LIN ... attributes (no glitches since BIFROST* is still disabled)
    Einar Saukas Einar Saukas July 2012 Development
  • BIFROST* Advanced Programming - part 3This new demo demonstrates the BIFROST* built-in sprite support that I mentioned before. In BIFROST*, "sprite tiles" are 2 special tiles that BIFROS…

    ... player:
    [CODE]/* ----------------------------------------------------------------
    * BIFROST* ENGINE HI-DEMO #3
    // no glitches since BIFROST* is still disabled
    BIFROST_fillTileAttrH ...
    Einar Saukas Einar Saukas July 2012 Development
  • BIFROST* Advanced Programming - part 4In previous posts I demonstrated how to move multicolor tiles up and down smoothly by a single pixel, and sideways by an entire char (8 pixels). Thi…

    ... />
    [CODE]/* ----------------------------------------------------------------
    * BIFROST* ENGINE HI-DEMO #4
    * 30 LOAD "BIFROST*"CODE
    * 40 LOAD " ... /> #include

    #include "bifrost.h"

    #define printMode ...
    Einar Saukas Einar Saukas August 2012 Development
  • BIFROST* Advanced Programming - part 5In my [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40437"]previous post[/URL] I demonstrated how to move multicolor images smoothly i…

    ... :
    [CODE]/* ----------------------------------------------------------------
    * BIFROST* ENGINE HI-DEMO #5
    * 30 LOAD "BIFROST*"CODE
    * 40 LOAD " ... /> #include

    #include "bifrost.h"

    #define printMode ...
    Einar Saukas Einar Saukas August 2012 Development
  • Tutorial: ZX-Paintbrush and BIFROST*The latest version of [URL="http://www.zxmodules.de/"]ZX-Paintbrush[/URL] now supports editing multicolor tiles as used in [URL="http://www.worldofsp…

    ... .org/infoseekid.cgi?id=0027405"]BIFROST*[/URL], [URL="http://www. ... method to use it with BIFROST* in practice.

    ... your favorite emulator, load the BIFROST* demo, then select "save ... favorite emulator and, while the BIFROST* demo is running, select ...
    Einar Saukas Einar Saukas September 2012 Development
  • BIFROST* Advanced Programming - part 6The purpose of this demo is somewhat different from previous ones. Instead of teaching a new technique, the main goal here is to demonstrate how much…

    ... .cgi?id=0027405"]official BIFROST* release[/URL]). The ... /> [CODE]
    /* ----------------------------------------------------------------
    * BIFROST* ENGINE HI-DEMO #6
    #include

    #include "bifrost.h"

    #define printMode ...
    Einar Saukas Einar Saukas September 2012 Development
  • BIFROST* for graphic artists - part 1Using multicolor requires 2 very different skills: [I]programming[/I] and [I]graphic design[/I]. I already wrote several tutorials about the former …

    ... the former task (also BIFROST* [URL="http://www.worldofspectrum ... etc. As a bonus, BIFROST* supports animated multicolor images ( ... below) is controlled by BIFROST* and rendered in multicolor, ... get automatically animated again by BIFROST* afterwards. Even [URL=" ...
    Einar Saukas Einar Saukas March 2013 Development
  • BIFROST* example: "Knights & Demons DX" source codeA package containing the source files of our multicolor game "Knights & Demons DX" is now available for download [URL="http://www.mediafire.com/?hbch…

    ... ' show cursor
    BIFROSTstart() ' enable BIFROST*[/CODE]

    This is ... ' wait for key, then disable BIFROST*
    GO TO 150 ' ...
    Einar Saukas Einar Saukas August 2013 Development
  • BIFROST* LogoDespite my lack of artistic talent, I decided to design a BIFROST logo, that could be used for either the currently available 18 columns multicolor e…

    ... 18 columns multicolor engine (called BIFROST*) or the upcoming 20 ... engine (to be called BIFROST? or BIFROST*20 probably). Here's ... but that's optional. The BIFROST* license only asks that games ... created with BIFROST* should mention it any ...
    Einar Saukas Einar Saukas August 2013 Development
  • BIFROST* for graphic artists - part 2: static tilesThis tutorial provides some guidelines for designing multicolor tiles. Before reading this text, it's strongly recommended that you (re-)read [URL="h…

    ... for other tasks. When using BIFROST*, you better take good ... .org/infoseekid.cgi?id=0027405"]BIFROST*[/URL] demo)[/I]
    ... .org/infoseekid.cgi?id=0027405"]BIFROST*[/URL] demo)[/I]
    ... .org/infoseekid.cgi?id=0027405"]BIFROST*[/URL] demo)[/I]
    ...
    Einar Saukas Einar Saukas August 2013 Development
  • How much does Bifrost improve graphics (test 192x192 graphics)Inspired by the BIFROST library I made several experiments with 8x1 graphics at 192x192 resolution. The results are now overwhelming but under certai…

    Inspired by the BIFROST library I made several experiments ...
    tstih tstih September 2013 Development
  • The End?[URL="http://www.arcade-museum.com/game_detail.php?game_id=12912"]The End[/URL] is an interesting arcade game similar to Invaders. But instead of des…

    ... game for the Speccy. Using BIFROST? it would look like this ... [/IMG]

    And using NIRVANA it would look like this ...
    Einar Saukas Einar Saukas October 2014 New game ideas
  • Bicolors in Spectaculator and MarvinHow can I have BIFROST or NIRVANA working with these two emulators?

    How can I have BIFROST or NIRVANA working with these two emulators?
    gabriele amore gabriele amore June 2015 Emulators
<1234567…34>

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Related Threads

  • NIrvana (Bifrost) compatible free android emulators?Marvin does not seem to support Nirvana graphics....any other free emulator to suggest?
  • A new multicolor engine called BIFROST*I'm glad to announce the release of a new multicolor engine implemented by yours truly, including high quality 16x16 tiles designed by R-Tape:<br /> …
  • Multicolour demo using z88dk + BIFROST* (+source)This is just a demo to show how to show multicolour using z88dk, using the BIFROST* engine (more info [URL="http://www.worldofspectrum.org/forums/sho…
  • BIFROST* ENGINE with Spectrum 128K support is out!The BIFROST* ENGINE release 1.1 is finally available, now providing also support for all Spectrum 128 models. You can download it from here:<br /> <b…
  • Help wanted: BIFROST* 1.1 on real hardware?[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027405"]BIFROST* ENGINE[/URL]'s latest release 1.1 implements support for all standard Spectr…
  • BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here:<br /> <br /> [url]http://www.worldofspectrum.org/infoseekid.cgi?i…
  • BIFROST* Advanced Programming - part 1In BIFROST*, it's much easier to just make changes in the tile map and let the engine automatically draw &amp; animate everything in multicolor for y…
  • BIFROST* Advanced Programming - part 2This second demo shows animated and moving tiles together, and also how to implement collision detection. This knowledge should be enough to implemen…
  • BIFROST* Advanced Programming - part 3This new demo demonstrates the BIFROST* built-in sprite support that I mentioned before.<br /> <br /> In BIFROST*, "sprite tiles" are 2 special tiles…
  • BIFROST* Advanced Programming - part 4In previous posts I demonstrated how to move multicolor tiles up and down smoothly by a single pixel, and sideways by an entire char (8 pixels).<br /…

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