Difference between revisions of "User:Buddha^/GSoC2007-ProjectDiary"

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Added info on 2007-08-28.
(Added info about note on and note off velocity.)
(Added info on 2007-08-28.)
Line 1,395: Line 1,395:
So we might even hear more articulate versions of the songs using ScummVM if we'll
So we might even hear more articulate versions of the songs using ScummVM if we'll
use the velocity info! We shall see...
use the velocity info! We shall see...
== 2007-08-28 (Tuesday) - Reverse engineering the program change to instrument mapping ==
Been trying to reverse engineer the Apple IIGS AGI MIDI files' program change command's
parameter value to instrument number mapping recently. Tried a few approached that didn't work
but came up with a way that works quite well. Here's the preliminary mapping from
program numbers to instrument numbers (Instrument number 6 seems to be mostly used to
mean an "undefined instrument" or a "not used instrument"):
Programs 0-9:
* Instruments: 21, 22, 24, 25, 23, 26, 6, 6, 6, 6
Programs 10-19:
* Instruments: 7, 9, 12, 8, 13, 11, 17, 10, 6, 6
Programs 20-29:
* Instruments: 19, 18, 20, 14, 16, 6, 6, 6, 6, 6
Programs 30-39:
* Instruments: 0, 1, 2, 4, 3, 5, 17, 2, 2, 2
** The trailing 2's are probably somehow modified so they don't sound identical
Programs 40-49:
* Instruments: 27, 15, 15, 27, 6, 6, 6, 6, 6, 6
417

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