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User movie #52430841117850526

#52430841117850526 - SMB3 in 126 polls (SUBNESHawk)
smb3-prg1_126polls.bk2 (1.02kB bk2 movie [NES])
Uploaded 2019-01-09 05:17:34 by Masterjun (18 files)
For NES Super Mario Bros. 3 (8 files)
In 00:02.1 [126 frames], 229 rerecords)
329 views, 27 downloads
Super Mario Bros. 3 (U) (PRG1) in SUBNESHawk.

Reaches end cutscene. Has invisible credits though.

Explanation

Due to the DPCM glitch, a workaround was programmed into the game. It consists of rereading inputs until two consecutive inputs match. This can be abused by constantly changing input, leading to an overflow.

Similar to this.

Input

  [Input]
  LogKey:#Power|Reset|#P1 Up|P1 Down|P1 Left|P1 Right|P1 Start|P1 Select|P1 B|P1 A|#P2 Up|P2 Down|P2 Left|P2 Right|P2 Start|P2 Select|P2 B|P2 A|
  |..|........|........|
  |..|........|........|
  |..|........|........|
  |..|........|........|
  |..|........|........|
  |..|........|........|
  |..|........|........|
  |..|........|........|
  |..|........|........|
  |..|........|........|
  |..|........|........|
  |..|........|U...S..A|
  |..|........|U...S..A|
  |..|....S.B.|........|
  |..|....S.B.|........|
  |..|........|........|
  |..|........|.D.RS.B.|
  |..|........|U.L..s.A|
  |..|........|.D.RS.B.|
  |..|........|U.L..s.A|
  |..|........|.D.RS.B.|
  |..|........|U.L..s.A|

  <45 repititions of those 2 lines>

  |..|........|.D.RS.B.|
  |..|........|U.L..s.A|
  |..|........|.D.RS.B.|
  |..|........|U.L..s.A|
  |..|........|.D.RS.B.|
  |..|........|U.L..s.A|
  |..|........|U.L..s..|
  |..|........|........|
  |..|........|........|
  |..|........|........|
  |..|........|U...Ss.A|
  |..|........|U...Ss.A|
  |..|U.L.S.B.|........|
  |..|U.L.S.B.|........|
  [/Input]
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