[ scummvm-Feature Requests-563688 ] MT-32 sysex messages

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Sat Jan 11 16:13:34 CET 2003


Feature Requests item #563688, was opened at 2002-06-03 00:08
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Category: None
Group: None
Status: Open
Priority: 1
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Jamieson Christian (jamieson630)
Summary: MT-32 sysex messages

Initial Comment:
It'd be nice if scummvm could transmit these when using 
the MIDI option on the games that have them (Monkey 
Island 2 and Indy:FOA). That way, users with a roland 
mt32, would still be able to get correct midi music. 
Well.. it'd make me happy at least :-)

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Comment By: Simon Quinn (simonquinn)
Date: 2003-01-11 15:13

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I thought the startup sysex was programming the various
voices on the MT32 not just for displaying the fancy message.
I would have lent you my MT32 but I use it for Exult
programming. There are a number for sale on Ebay for decent
prices.

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Comment By: Jamieson Christian (jamieson630)
Date: 2003-01-11 14:30

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Regarding the startup SysEx sent to the MT-32: That is an 
LEC hard-coded thing, not something in the music. And since 
it's just a cutsie feature, we aren't going to do it. (It might 
exacerbate our legal friction with LEC, anyway. But maybe 
a "ScummVM" message on the LCD panel would be cool, 
eventually!)

Regarding the rest of the SysEx behavior, I can check a 
couple things, but I'm essentially running blind here. Khalek, 
perhaps you could compare MT-32 behavior under -ewindows 
and -eseq, and tell me if the MT-32 seems to be "aware" of 
SysEx messages coming from -eseq but not from -ewindows?

Hell, somebody just send me an MT-32 in the mail. I'll return 
it; I promise. ;)

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Comment By: Simon Quinn (simonquinn)
Date: 2003-01-11 13:04

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Got it compiled and working on Windows. I've tried MI2 and
Atlantis but the sysex messages don't seem to be being sent
to the MT32, i.e. none of the IMuse programmed voices appear
on the MT32 only the standard voices. The standard voices
sound correct when the music is played though, so the
NATIVE_MT32 is working.
Also when you first started the original game the sysex
messages were sent to the MT32 before the game actually
starts (i.e. "Lucasfilm Games" appears on the MT32 display)
this is not being done with ScummVM. 
What debug level should I use to see useful IMuse messages?

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Comment By: Jamieson Christian (jamieson630)
Date: 2003-01-10 14:53

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Okay,. I've thrown together a first-revision SysEx capability 
for -ewindows. I tested it with Sam & Max (no ROL tracks, so 
no SysEx), MI2 and FOA (both having ROL tracks and 
sending SysEx messages).

When testing this, remember to set NATIVE_MT32 to "true". 
It's now located in instrument.cpp instead of instrument.h, 
since instrument.cpp is the only thing that uses it. It is 
defined to "false" by default. If you leave it that way, 
ScummVM will do MT-32 emulation in GM.

Simonquinn and Khalek (congrats on your Windows install 
victory), if you get a chance to test it out, post results here. 
Remember that odd-sounding instrumentation is more likely 
to be problems at a higher level; SysEx-related warning 
output in the console is a sign of problems in the -ewindows 
SysEx implementation.

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Comment By: Simon Quinn (simonquinn)
Date: 2003-01-10 12:43

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I'd like the support for the sysex stuff in Windows. I don't
have Linux installed on my PC anymore and was going to test
it under Windows after I'd reinstalled my Windows compiler.
I don't think my USB midi output works under Linux.
I'm dying to try this as I've wanted MT32 support in ScummVM
for a long time.

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Comment By: Max Horn (fingolfin)
Date: 2003-01-09 14:33

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The SEQ driver is not usable under MacOS,if you wanted to
know that, Jamieson :-)

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Comment By: Jamieson Christian (jamieson630)
Date: 2003-01-09 14:17

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I guess an update is in order. MT-32 SysEx output is 
currently available in first-revision under the -eseq music driver 
(hence only Unix/Linux -- and Mac too?). In order to drive a 
native MT-32 device, make sure to set "#define 
NATIVE_MT32 true" at the top of 
scummvm/scumm/instrument.h. (It is defined to be "false" by 
default. Someday we'll make it a command-line option.)

I think the SysEx implementation itself is working fine, and 
any problems we're having with instruments have been 
plaguing us since the emulated MT-32 days.

If anyone is using the -ewindows music driver and has an MT-
32 they would like to test with ScummVM, post here and I 
will see about putting in Windows MMSYSTEM SysEx 
capability. Otherwise, I won't be touching this for a couple 
months until other projects are put to bed.

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Comment By: Simon Quinn (simonquinn)
Date: 2003-01-09 12:54

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I'll gladly help with testing the code, I have an MT-32.

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Comment By: Pierre-Yves Gérardy (zorbid)
Date: 2002-12-07 13:51

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http://vogons.zetafleet.com/showthread.php?s=&threadid=793

Keep an eye on this :-)

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Comment By: Jamieson Christian (jamieson630)
Date: 2002-11-26 14:25

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I'm picking this up. Enhanced MT-32 support is in 
development, and this will come with the bargain. In the 
meantime, who is this? We could always use people with an 
MT-32 to test our code. It's tough to find an MT-32 owner 
these days. :)

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