タグタイプの一覧。マクロメディアの配ってるSWFの仕様書から抜き出してまとめただけです。
TagType Number Name
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4 Place Object
26 Place Object2
5 RemoveObject
28 RemoveObject2
1 ShowFrame
9 SetBackgroundColor
43 FrameLabel
43 NamedAnchor
24 Protect
0 End
56 Export Assets
57 ImportAssets
58 EnableDebugger
64 EnableDebugger2
65 ScriptLimits
66 SetTabIndex
12 DoAction
59 DoInitAction
2 DefineShape
22 DefineShape2
32 DefineShape3
6 DefineBits
8 DefineJPEGTables
21 DefineBitsJPEG2
35 DefineBitsJPEG3
20 DefineBitsLossless
36 DefineBitsLossless2
46 DefineMorphShape
10 DefineFont
13 DefineFontInfo
62 DefineFontInfo2
48 DefineFont2
11 DefineText
33 DefineText2
37 DefineEditText
14 DefineSound
15 StartSount
18 SoundStreamHead
45 SoundStreamHead2
19 SountStreamBlock
7 DefineButton
34 DefineButton2
23 DefineButtonCxform
17 DefineButtonSound
39 DefineSprite
60 DefineVideoStream
61 VideoFrame