[Scummvm-tracker] [ScummVM :: Bugs] #11210: possible issue with Mixed-Up Mother Goose IIgs and other AGI games

[ScummVM :: Bugs]

#11210: possible issue with Mixed-Up Mother Goose IIgs and other AGI games
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Reporter:  Maxor127  |      Owner:  (none)
    Type:  defect    |     Status:  new
Priority:  low       |  Component:  --Unset--
Keywords:  IIgs      |       Game:
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 I played through the IIgs version of Mixed-Up Mother Goose, and I noticed
 sometimes the music cuts off during some of the nursery rhyme sequences. I
 then realized the music seemed to stop when a sound effect played during
 the sequence as if the sound effect was causing the music to cut out. And
 sometimes the nursery rhyme text seemed to freeze without finishing the
 rhyme. Both the music and text issues can be observed after returning the
 pail to Jack and Jill.

 I then tried it in a IIgs emulator, and I noticed the sequence seemed to
 play without those issues, but if I increased the emulation speed, I had
 the same issues as ScummVM. So I'm guessing it's some sort of speed or
 timing issue and the sequence is playing faster than it should, but I
 could be completely wrong.

 For what its worth, I tried the DOS AGI version, and the same sequence
 seems to play fine. When I set the in-game speed to "fastest," the nursery
 rhyme sequence slowed down to "normal" speed.

 I suspect other IIgs games are affected with speed issues too. I think
 it's more noticeable in Mixed-Up Mother Goose because it seems to have
 more cutscenes than other AGI games.

 The IIgs Sierra characters do seem to move faster in ScummVM compared to
 "normal" IIgs speed, but I actually like the faster speed. Original IIgs
 speed always felt a bit too slow and stuttery.

 I've experienced the issue as of ScummVM 2.1.0.
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Ticket URL: <https://bugs.scummvm.org/ticket/11210>
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