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Failed to load mt32_control.rom
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ichich56



Joined: 18 Jan 2010
Posts: 7
Failed to load mt32_control.rom 

If i try to load Indy4 i get this failure message and the wii chrashes. Im using the latest nightly build of scummvm.

What could i do?

Thx for your help.

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Post Tue Aug 31, 2010 10:42 am 
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md5
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Joined: 03 Nov 2005
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Location: Athens, Greece
 

That's the MT-32 emulator (munt) that we use. You need to either change the sound settings to something other than an emulated MT-32 (e.g. Adlib), or dump mt32_control.rom from an actually owned MT-32.

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Post Tue Aug 31, 2010 10:46 am 
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eriktorbjorn
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Joined: 31 Oct 2005
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quote:
Originally posted by md5
That's the MT-32 emulator (munt) that we use. You need to either change the sound settings to something other than an emulated MT-32 (e.g. Adlib), or dump mt32_control.rom from an actually owned MT-32.


Might be another fallout from the MIDI device changes in the development versions. At least at first, ScummVM was far too fond of using that emulator as default. It might still be. Perhaps it should have a more graceful fallback if those files are missing, e.g. switching to another driver, considering the hoops I hear you have to jump through to get them.
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Post Tue Aug 31, 2010 11:01 am 
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dhewg
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Joined: 04 Jun 2008
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quote:
Originally posted by eriktorbjorn
Might be another fallout from the MIDI device changes in the development versions. At least at first, ScummVM was far too fond of using that emulator as default. It might still be. Perhaps it should have a more graceful fallback if those files are missing, e.g. switching to another driver, considering the hoops I hear you have to jump through to get them.


Might also be related to the Wii not having any MIDI devices or softsynths besides the MT32 emu Wink

But I think you have to set the preferred audio device to the MT32 emu to get that message. At least last time I tried indy4.
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Post Tue Aug 31, 2010 9:44 pm 
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eriktorbjorn
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quote:
Originally posted by dhewg

But I think you have to set the preferred audio device to the MT32 emu to get that message. At least last time I tried indy4.


For some reason, if I set the music driver to something unsupported, like PC Speaker Emulator, it thinks I mean the MT-32 emulator. At least in Fate of Atlantis. I haven't bothered to figure out why yet.
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Post Tue Aug 31, 2010 9:59 pm 
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MusicallyInspired



Joined: 02 Mar 2007
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Location: Winnipeg, MB Canada
 

I don't think FOA supports PC Speaker.

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Post Tue Aug 31, 2010 10:31 pm 
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LordHoto
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Joined: 30 Oct 2005
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quote:
Originally posted by MusicallyInspired
I don't think FOA supports PC Speaker.


Not in ScummVM at least, the original did support PC Speaker as audio output though.
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Post Tue Aug 31, 2010 10:47 pm 
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eriktorbjorn
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quote:
Originally posted by MusicallyInspired
I don't think FOA supports PC Speaker.


That's why I wrote "something unsupported". What surprised me was that it picked the MT-32 emulator as a sensible default in that case.
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Post Wed Sep 01, 2010 3:42 am 
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LordHoto
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quote:
Originally posted by eriktorbjorn
quote:
Originally posted by MusicallyInspired
I don't think FOA supports PC Speaker.


That's why I wrote "something unsupported". What surprised me was that it picked the MT-32 emulator as a sensible default in that case.


Might be that Indy4 has "MDT_PREFER_MT32" set and thus it should select your device in "MT-32:" when doing a fallback detection.
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Post Wed Sep 01, 2010 8:30 am 
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eriktorbjorn
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Joined: 31 Oct 2005
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quote:
Originally posted by LordHoto

Might be that Indy4 has "MDT_PREFER_MT32" set and thus it should select your device in "MT-32:" when doing a fallback detection.


I could have sworn I had set that one to something else, but either that setting got eaten somewhere along the line, or I accidentally set it back myself.
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Post Wed Sep 01, 2010 6:59 pm 
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dacovale



Joined: 28 Sep 2010
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Found this topic when I searched for a fix. This happens with the (latest) svn-build and a standard download of the freeware BASS (v0.0372 cd) from your download page.


quote:
Failed to load MT32_CONTROL.ROM|
ScummVM exited abnormally (-127).
Press any key to continue.


Ofc, the wiimote refuses to reconnect and I don't have a keyboard attached, so I have to reboot instead. :p

Above those three lines are about half a page of lines that seem normal enough. They confirm that I use the 1.3.0svn52917 (Sep 27 2010 05:51:04) build
that 'vkeybd_default' is loaded and that Scumm found Beneath a Steel Sky.

I tried to choose another music emulator in the settings for the game, but I still ended up wit hthe same lines. Before that I hadn't changed a thing.


EDIT:
The same problem exists for Lure of the Temptress, but not for The Dig, which was the only game I could find that wasn't in a box in the basement. The Dig started just fine, and I played through a couple of minutes just to see that it wouldn't stop.
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Post Tue Sep 28, 2010 3:12 am 
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eriktorbjorn
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Joined: 31 Oct 2005
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quote:
Originally posted by dacovale

Above those three lines are about half a page of lines that seem normal enough. They confirm that I use the 1.3.0svn52917 (Sep 27 2010 05:51:04) build
that 'vkeybd_default' is loaded and that Scumm found Beneath a Steel Sky.

I tried to choose another music emulator in the settings for the game, but I still ended up wit hthe same lines. Before that I hadn't changed a thing.



Changing the "Preferred Device" (on the Audio tab) setting to, say, "AdLib" doesn't work? That's odd. From what I understand, the reason is that ScummVM thinks the best music for certain games is the one that was written for the Roland MT-32, and if you haven't told it otherwise it tries to pick a music device for that. At the moment, that defaults to the MT-32 emulator, which isn't a very good default if you ask me.

Another thing that strikes me as odd is that I would have thought that the test builds now were based on the 1.2.0 branch (where this behaviour should have been disabled for now) to help people test the upcoming release.
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Post Tue Sep 28, 2010 4:01 am 
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dacovale



Joined: 28 Sep 2010
Posts: 2
 

hmm... somehow it worked this time around. Perhaps because I tried it at 4 am last time. Sorry for the false alarm :/

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Post Tue Sep 28, 2010 8:51 pm 
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