<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>For more information, the discussion on IRC happened on May 18, starting at 22:43 GMT. You can find it here:</div><div><a href="http://logs.scummvm.org/log.php?log=scummvm.log.18May2015&format=html">http://logs.scummvm.org/log.php?log=scummvm.log.18May2015&format=html</a></div><div><br></div><div>In particular:</div><div> - Builds on buildbot do not work.</div><div> - The official build for 1.4.1, which is the one on our download page works.</div><div> - There is a recent build for 1.7.0 on <a href="http://sf.net">sf.net</a>, which is not linked from our download page, and does not work anyway.</div><div><br></div><br><div><div>On 25 May 2015, at 08:38, Filippos Karapetis <<a href="mailto:bluegr@gmail.com">bluegr@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">I've updated the PS2 build instructions in our wiki with digitall's information<div><br></div><div>Regards</div><div>Filippos Karapetis</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, May 25, 2015 at 6:32 AM, D G Turner <span dir="ltr"><<a href="mailto:d.g.turner@ntlworld.com" target="_blank">d.g.turner@ntlworld.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">OMightyBuggy,<br>
As the PS2 porter does not seem to be responding currently, I thought<br>
I should provide some helpful pointers to allow you to compile a new<br>
PS2 build and perhaps help debug any issues with current code.<br>
<br>
This is partly as I am one of the buildbot maintainers.<br>
<br>
Firstly, the nightly development (v1.8.0git) and stable (v1.7.0)<br>
builds for PS2 can be found here:<br>
<a href="http://buildbot.scummvm.org/builds.html" target="_blank">http://buildbot.scummvm.org/builds.html</a><br>
<br>
Please test with these and let us know whether these works correctly<br>
for you. If not, I can still use the toolchain there to try a v1.5.0<br>
build and a replicated v1.4.1 to check if this is a code regression or<br>
a toolchain / library breakage.<br>
<br>
Apart from this, I assume that you are following:<br>
<a href="http://wiki.scummvm.org/index.php/Compiling_ScummVM/PlayStation_2" target="_blank">http://wiki.scummvm.org/index.php/Compiling_ScummVM/PlayStation_2</a><br>
<br>
This appears to be significantly outdated and refers to <a href="http://svn.ps2dev.org/" target="_blank">svn.ps2dev.org</a><br>
which appears to be offline. The new location for this code is at<br>
Github as various repositories: <a href="https://github.com/ps2dev" target="_blank">https://github.com/ps2dev</a><br>
<br>
The code there should allow you to build a toolchain from source<br>
and contains patched version of various libraries as:<br>
<a href="https://github.com/ps2dev/ps2sdk-ports" target="_blank">https://github.com/ps2dev/ps2sdk-ports</a><br>
<br>
However, this does not contain SJPCM or Tremor, which the compilation<br>
page suggests you e-mail the maintainer for :/<br>
<br>
<a href="http://wiki.scummvm.org/index.php/Compiling_ScummVM/PlayStation_2#d._Nearly_there.21_Now_we_still_need_some_extra_libs_which_are_not_provided_with_default_SDK" target="_blank">http://wiki.scummvm.org/index.php/Compiling_ScummVM/PlayStation_2#d._Nearly_there.21_Now_we_still_need_some_extra_libs_which_are_not_provided_with_default_SDK</a>:<br>
<br>
On a side note, these kind of patches should be checked into some<br>
repository on Github or otherwise made available in future.<br>
<br>
Tremor which is the integer code version of Ogg Vorbis is not an issue<br>
as it is available from here, but not in a specific PS2 optimised<br>
version:<br>
<a href="https://wiki.xiph.org/Tremor" target="_blank">https://wiki.xiph.org/Tremor</a><br>
<br>
Based on the background information from various Wikipedia pages:<br>
<a href="https://en.wikipedia.org/wiki/PlayStation_2" target="_blank">https://en.wikipedia.org/wiki/PlayStation_2</a><br>
<a href="https://en.wikipedia.org/wiki/Emotion_Engine" target="_blank">https://en.wikipedia.org/wiki/Emotion_Engine</a><br>
<br>
The PS2 uses a MIPS instruction set and as the Tremor page notes<br>
there are no specific optimisations in the codebase for MIPS, but<br>
it should still work fine if compiled for that target with the PS2<br>
toolchain. Any patches are likely to have been as noted by the<br>
Tremor page:<br>
"the main branch will probably give very good performance if CPU<br>
optimized fixed point multiply and complex multiply functions are<br>
added."<br>
<br>
SJPCM is a bit tricker to find, but is described by this:<br>
<a href="http://lukasz.dk/playstation-2-programming/an-introduction-to-ps2dev/" target="_blank">http://lukasz.dk/playstation-2-programming/an-introduction-to-ps2dev/</a><br>
<br>
I was able to locate the independent version of it from here:<br>
<a href="https://github.com/AzagraMac/PS2_SDK/tree/master/isjpcm" target="_blank">https://github.com/AzagraMac/PS2_SDK/tree/master/isjpcm</a><br>
<br>
This should be sufficient for you to be able to setup your own<br>
toolchain and compile the code if you are familar with cross<br>
compilation under Linux.<br>
<br>
Hopefully the PS2 porter can provide the exact patches and code<br>
at some point soon.<br>
Thanks,<br>
David Turner<br>
<div class="HOEnZb"><div class="h5"><br>
On 18/05/15 23:55, Jeffrey Paull wrote:<br>
> I am looking for some help with obtaining "sjcpm & tremor" for compiling<br>
> a new ScummVM build for PS2. I already contacted <a href="mailto:sunmax@libero.it">sunmax@libero.it</a> and<br>
> got no response. I went to the IRC and got directed here to ask.<br>
><br>
> OMightyBuggy<br>
<br>
<br>
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