[Scummvm-tracker] [ScummVM :: Bugs] #12071: KQ4 SCI version 1.000.111 - MT-32 plays back some improper instruments

[ScummVM :: Bugs]

#12071: KQ4 SCI version 1.000.111 - MT-32 plays back some improper instruments
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Reporter:  MusicallyInspired  |      Owner:  (none)
    Type:  defect             |     Status:  new
Priority:  normal             |  Component:  Audio: MT32
 Version:                     |   Keywords:  KQ4, SCI, MT32, music
    Game:  King's Quest 4     |
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 It seems that playing the early SCI release of KQ4 (with alternate
 backgrounds for night and day screens rather than alternate palettes for
 the same backgrounds like the latest release included in collections)
 mangles the MT-32 music playback. It plays normally and properly in DOSBox
 but in ScummVM it plays some of the wrong instruments. It seems possibly
 that the custom sysex patch mapping is not being transmitted? I used the
 MT-32 emulator inside ScummVM. This was the very first SCI game ever so it
 likely has some quirks that later games changed. I do know that it doesn't
 accept (natively) patch files in the game directory to override the
 resources in the RESOURCE files.

 To reproduce, play KQ4 V1.000.111 and choose MT-32 for the music. One
 specific example is the minstrel playing the lute produces the Recorder
 sound patch instead of the guitar as it normally should.
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Ticket URL: <https://bugs.scummvm.org/ticket/12071>
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