Bug#788057: game-data-packager: please add support for Blake Stone: Aliens of Gold and Planet Strike

[Alexandre Detiste]

Found this:
http://www.classicdosgames.com/game/Blake_Stone:_Aliens_of_Gold.html

So there are 4 versions: 1.0, 2.0, 2.1, 2.1., 3.0;
with 3.0 being the one currenlty on GOG & Steam.

Patches:

   Blake Stone: Aliens of Gold Registered v2.1 to v3.0 Episodes 1-6 patch (797,606 bytes)	31 January 1999	DOS	
   Blake Stone: Aliens of Gold Registered v2.0 to v2.1 Episodes 1-6 patch (323,304 bytes)	1 July 1994	DOS	
   Blake Stone: Aliens of Gold Registered v1.0 to v2.0 Episodes 1-6 patch (751,113 bytes)	11 February 1994	DOS	

$ unzip bs30pat6.zip
Archive:  bs30pat6.zip
  inflating: INSTALL.EXE             
  inflating: FILE_ID.DIZ             
  inflating: BS30PAT6.SHR 

$ id-shr-extract BS30PAT6.SHR 
decompressing: patch.rtp, compressed size: 628626
decompressing: patch.exe, compressed size: 20027
decompressing: patchw32.dll, compressed size: 90425
decompressing: patchme.exe, compressed size: 2217

--> same tool also used for Doom patching, not yet reverse-engeneered;
      still commercialy avalaible, but not for retail:

http://www.pocketsoft.com/rtpatch_binary_diff_games.html
http://www.pocketsoft.com/wp_rtptech.html

$ strings patch.rtp  | grep BS6 | sort -u
5VGAHEAD.BS6
`.AUDIOHED.BS6
AUDIOHED.BS6
AUDIOT.BS6
=EANIM.BS6
EANIM.BS6
GANIM.BS6
,:IANIM.BS6
....
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