Difference between revisions of "Javascript Mess"

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==Posts by Jason Scott about the Project==
==Posts by Jason Scott about the Project==


* [http://ascii.textfiles.com/archives/3375 Javascript Hero: Change Computer History Forever] - Original Blog Post
* October 2011: [http://ascii.textfiles.com/archives/3375 Javascript Hero: Change Computer History Forever] - Original Blog Post
* [http://ascii.textfiles.com/archives/3502 Javascript Hero: A Hero Appears] - Cosmo Fighter 2 on Colecovision works
* March 2012: [http://ascii.textfiles.com/archives/3502 Javascript Hero: A Hero Appears] - Cosmo Fighter 2 on Colecovision works
* [http://ascii.textfiles.com/archives/3559 Javascript Hero: Success/Your Big Moment] - Smurfs: Rescue from Gargamel's Castle works
* May 1, 2012: [http://ascii.textfiles.com/archives/3559 Javascript Hero: Success/Your Big Moment] - Smurfs: Rescue from Gargamel's Castle works
* [http://ascii.textfiles.com/archives/3569 Javascript Hero: Well, That Was Fast] - Odyssey 2 Emulation Appears
* May 3, 2012: [http://ascii.textfiles.com/archives/3569 Javascript Hero: Well, That Was Fast] - Odyssey 2 Emulation Appears
* [http://ascii.textfiles.com/archives/3685 Javascript Hero: The New Batch] - Call for more Coders
* September 2012: [http://ascii.textfiles.com/archives/3685 Javascript Hero: The New Batch] - Call for more Coders
* [http://ascii.textfiles.com/archives/3745 JSMESS Breakthroughs] - Progress on a handful of systems
* October 2012: [http://ascii.textfiles.com/archives/3745 JSMESS Breakthroughs] - Progress on a handful of systems
* [http://ascii.textfiles.com/archives/3923 The Javascript MESS Enters Beta] - A public-facing site and playable demos for those systems
* January 2013: [http://ascii.textfiles.com/archives/3923 The Javascript MESS Enters Beta] - A public-facing site and playable demos for those systems
* [http://ascii.textfiles.com/archives/4029 The Javascript MESS Plays Atari Today] - Atari 800 works
* August 14, 2013: [http://ascii.textfiles.com/archives/4029 The Javascript MESS Plays Atari Today] - Atari 800 works
* [http://ascii.textfiles.com/archives/4034 The Javascript MESS Plays Commodore 64, Commodore PET, and Apple IIc] - Three more major systems
* August 15, 2013: [http://ascii.textfiles.com/archives/4034 The Javascript MESS Plays Commodore 64, Commodore PET, and Apple IIc] - Three more major systems
* [http://ascii.textfiles.com/archives/4044 More JSMESS: Little Help Here] - Call for help creating makefiles for new systems
* August 16, 2013: [http://ascii.textfiles.com/archives/4044 More JSMESS: Little Help Here] - Call for help creating makefiles for new systems
* [http://ascii.textfiles.com/archives/4056 One Last Bit on JSMESS for a While] - The possible future for JSMESS
* August 19, 2013: [http://ascii.textfiles.com/archives/4056 One Last Bit on JSMESS for a While] - The possible future for JSMESS
* [http://ascii.textfiles.com/archives/4069 The JSMESS Triumph] - Public site relaunch because every system compiles now
* September 2013: [http://ascii.textfiles.com/archives/4069 The JSMESS Triumph] - Public site relaunch because every system compiles now

Revision as of 19:05, 11 October 2013


The JAVASCRIPT MESS project is a porting of the MESS emulator, a program that emulates hundreds of machine types, into the Javascript language. The MESS program can emulate (or begin to emulate) a majority of home computers, and continues to be improved frequently. By porting this program into the standardized and cross-platform Javascript language, it will be possible to turn computer history and experience into the same embeddable object as movies, documents, and audio.

We have a long way to go, but this open beta is now available.

Javascript MESS currently runs Colecovision cartridges well

Functioning Demonstrations

The main JSMESS site has some classic software demos guaranteed to work. The JSMESS home page links to every system which MESS v0.142u6 supports, although not all systems have their required ROM files and game files in the right place yet, so some of them just spin the disk loader icon forever.

The latest versions of Chrome and Firefox, and IE10 run JSMESS emulators the best. IE10 might work. It will have spotty performance elsewhere.

More Information and Source Code

Information on how to build JSMESS, the status of JSMESS, and the future of JSMESS can be found out on its GitHub Wiki. The source code can be found on its GitHub page.

If you have a problem building JSMESS or have a feature suggestion, feel free to open up an issue on our issue tracker.

Manifesto

  • The goal is to provide a ubiquitous, flexible, comprehensive-as-possible emulator that will appear in as many browsers as possible without installing a plugin or runtime. While a number of emulation solutions exist that allow much of what is wanted, they nearly all require plugins and most are directed towards a single machine or small sets of machines.
  • Currently, the most flexible runtime is current versions of Javascript, a horribly named runtime that utilizes a Turing-complete programming language to provide all manner of applications, effects and trickery to the browsing public. All major browsers support Javascript, and the language also allows support for cleanly informing end-users what is going on if something goes wrong.
  • MESS and MAME were started over a decade ago to provide ubiquitous, universal emulation of arcade/gaming machines (MAME) and general computer hardware (MESS). While specific emulation implementations exist that do specific machines better than MAME/MESS, no other project has the comprehensiveness and modularity. Modifications are consistently coming in, and emulation breadth and quality increases over time. In the case of MAME, pages exist listing machines it does not emulate. [1]
  • The dream/goal is to provide access to computer software and artwork that would otherwise require the user to have the original hardware and software at hand to bring into existence. While nothing beats having vintage, well-maintained computer hardware to show what software "was", it requires advocacy and often physical presence to do so. Games like Pac-Man' or Super Mario have been re-done many times and provided in all manner of online and offline presentations... not so much examples of Wordperfect, Peachtree Accounting, or the Atari TOS. By providing this method of calling in software, historians and academics and the merely curious can get near-instantaneous access to the gist of these early programming works. As a side benefit, people with collections of old software will be more inclined to share or donate their piles of materials knowing that universal access will come shortly after.

Communication Channels

Currently, most communication is done in the #jsmess channel on the EFNet IRC network. If you don't use IRC or just have questions, please mail jsmess@textfiles.com to inquire.

References

  • A team of Google engineers launched a project to port MAME to their own plugin runtime, NaCL (Native Client, or pronounced "Salt"). The report is here. High level summary: They did it in 4 days of work, pulled out parts that were too intense or time-involved, but still could emulate 75% of the games. The diff was 1200 lines of code. The report is useful for understanding MAME's unique structure.

Posts by Jason Scott about the Project