[java] java for playstation?

I would imagine there are some JVMs available for PS2, although there will be a significant memory overhead.

Of course any sound, video or input routines are likely going to have to be written in native code for the PS2, to use its hardware and libraries - but I''m sure you understand this.

There are some Java-to-native compilers, I don''t know of any specifically except for gcj (which isn''t very good), but I''m sure there are some reasonably priced commercial ones, which may support MIPS targets.

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Also, is there anything extra I would have to do to make it available on Playstation, assuming I have a complete game programmed in java on my own computer.

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Well, obviously, rewrite all the sound, video and input routines. But you''d have to do that anyway. And remove dependency on any Java libraries which are incompatible with the target machine''s JRE (this would of course probably include Java2d/AWT)

Probably rewrite the UI to make it work with the PS2 controller and a TV screen rather than a monitor (i.e. much lower resolution, no keyboard). But you''d have to do that anyway.

Mark

At this time there are no JVMs available for any consoles, nor will there be in the forseeable future. Sun has already approached Sony and got a flat out ''No!''. They are working on getting on to other consoles, but it''s a long way off if it happens at all. You can read more about this by searching the javagaming forums.

Take people from SUN Excelsior JET, and Sony playstation 2 department. Lock them into a room. Don''t alow them out until some treaty about developing a Java compiler on the Playstation 2 or 3 would be reached. Force them to complete it in high quality and soon enough.
I don''t need JVM on Playstation 2 (If it would be implemented as a chip it would be nice) Simple compiler to Playstation 2 exes is enough.

Alas if you wanna this, you should be fucking bastard and FORCE them. Fast and efficiently.

So, how do you program for a console game? Is there a special programming language for this?

You need to purchase a special SDK from the manufacturer. This often costs in the region of over ten thousand dollars per license.

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Once you have that SDK (and the resources to buy it), it shouldn''t be impossible to write a JVM that works on it. There are open-source JVM''s you can look at, but also, the Java bytecode format is fairly straight-forward. I''ve seen a JVM that runs on a Lego Mindstorms robot, taking files straight from JAVAC. It would probably be best to use C++ code for graphics and sound though and only use Java for implementing the gameplay logic of the game.

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Original post by cwurts
So, how do you program for a console game? Is there a special programming language for this?

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fairly easily. following the white rabbit.


To the vast majority of mankind, nothing is more agreeable than to escape the need for mental exertion... To most people, nothing is more troublesome than the effort of thinking.

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Original post by Anonymous Poster

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Original post by Aldacron
At this time there are no JVMs available for any consoles, nor will there be in the forseeable future.

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Technically its possible on Xbox but you would probebly have to do some hacks with it. Basically Xbox is a computer dressed up as a console. If its possible to get Linux on Xbox (which has been done) then I dont see why Java would be any harder.

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It''s possible to port it to any console. But the problem is that in order to make an official distro, whomever does the port will need to get a license from the manufacturer of said console. Without the license you have, in essence, a worthless hack. IIRC Sony''s reasoning for not granting Sun a license was that there has been no demand for Java on the PS platforms. I assume they mean - no demand from their licensed developers.