AVM2/format

• 4.2 abcFile
  • https://learn.adobe.com/wiki/display/AVM2/4.2+abcFile
  • http://wiki.libspark.org/wiki/AVM2/Overview#a4.2abcFile 和訳

u30

• https://ja.osdn.net/projects/happyabc/scm/git/happyabc/blobs/master/swflib/bytesOutTest.ml

      (fun () ->
         ok [0]    [u30 0];
         ok [0x7F] [u30 0x7F]);
        "2byte" >::
      (fun () ->
         ok [0xFF;0x30] [u30 0x187F];
         ok [0xFF;0x01] [u30 0xFF];
         ok [0xFF;0x7F] [u30 0x3FFF]);
        "3byte/15-21bit" >::
      (fun () ->
         ok [0xFF;0xFF;0x01] [u30 0x7FFF];
         ok [0xFF;0xFF;0x7F] [u30 0x1F_FFFF]);
        "4 byte/22-28bit" >::
      (fun () ->
         ok [0xFF;0xFF;0xFF;0x01] [u30 0x003F_FFFF];
         ok [0xFF;0xFF;0xFF;0x7F] [u30 0x0FFF_FFFF]);
        "5 byte/29-35bit" >::
      (fun () ->
         ok [0xFF;0xFF;0xFF;0xFF;0x01] [u30 0x1FFF_FFFF];
         ok [0xFF;0xFF;0xFF;0xFF;0x3]  [u30 0x3FFF_FFFF])];