Backup diff of Flash/SWF/format/Action (No. 1)

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  • 1 (2011-06-07 (Tue) 17:31:27)
  • 2 (2011-06-07 (Tue) 19:03:05)

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- ActionScript2 がコンパイルされたバイトコードを収容するタグ
- DoAction と InitAction がある。

* DoAction [#eb8b77ca]


 +------------------------------+
 | tag & length |  action_list  |
 |  2           |               |
 +------------------------------+
 < 2 or 6 bytes ><--- length --->

* InitAction [#r2a72671]

 +------------------------------------------+
 | tag & length | sprite_id |  action_list  |
 |  2           |           |               |
 +------------------------------------------+
 < 2 or 6 bytes ><-2 bytes->
                 <-------  length -------->

* 共通 [#q6112fa2]
** action_list [#n3f37d6c]

- 0 terminate のリスト
 +----------------------------+
 | action | action | .... | 0 |
 +----------------------------+

** action [#if58b8ce]
-  code < 0x80
 +------------+
 | actioncode | 
 +------------+
 <-- 1 byte -->
- code >= 0x80
 +-----------------------------------+
 | actioncode | length | action_data | 
 +-----------------------------------+
 <-- 1 byte --><2bytes><-- length  -->