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User:Buddha^/GSoC2007-ProjectDiary (view source)
Revision as of 00:57, 4 April 2008
, 00:57, 4 April 2008Fixed link (palex.py -> agi-palex.py)
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= [[User:Buddha^|Buddha^]]'s Google Summer of Code 2007 Project Diary = | |||
Here's the archive of the project diary I kept during my | |||
Google Summer of Code 2007 participation. | |||
== 2007-05-28 (Monday) - GSoC starts! == | == 2007-05-28 (Monday) - GSoC starts! == | ||
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So I made a tool for extracting palettes from Amiga AGI games' executable files | So I made a tool for extracting palettes from Amiga AGI games' executable files | ||
and added it to ScummVM's trunk. You can see the source code [http://scummvm.svn.sourceforge.net/viewvc/scummvm/scummvm/trunk/tools/palex.py?revision=28035&view=markup here]. | and added it to ScummVM's trunk. You can see the source code [http://scummvm.svn.sourceforge.net/viewvc/scummvm/scummvm/trunk/tools/agi-palex.py?revision=28035&view=markup here]. | ||
My first Python program, yay! | My first Python program, yay! | ||
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Oh and I discovered/realized that at least Apple IIGS King's Quest I's volume | Oh and I discovered/realized that at least Apple IIGS King's Quest I's volume | ||
files are not encrypted. So I can just go and write new MIDI codes straight | files are not encrypted. So I can just go and write new MIDI codes straight | ||
into the files and run the game through | into the files and run the game through an emulator to try to hear what | ||
program change corresponds to what instrument. Whee :-) This is good. | program change corresponds to what instrument. Whee :-) This is good. | ||
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Been trying to reverse engineer the Apple IIGS AGI MIDI files' program change command's | 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 | parameter value to instrument number mapping recently. Tried a few approaches that didn't work | ||
but came up with a way that works quite well. Here's the preliminary mapping from | 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 | program numbers to instrument numbers (Instrument number 6 seems to be mostly used to | ||
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*** Instruments 5 and 23 of the older instrument set use this sample | *** Instruments 5 and 23 of the older instrument set use this sample | ||
*** Instruments 6 and 25 of the newer instrument set use this sample | *** Instruments 6 and 25 of the newer instrument set use this sample | ||
== 2007-12-11 (Tuesday) - End of GSoC 2007 project diary == | |||
I thought I'd add a clarifying end note to my project diary. I'm not going to update the | |||
diary anymore but I leave it here for archival purposes. It might prove an interesting or even | |||
a useful read for someone else applying for GSoC in ScummVM. It was a good ride... | |||