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Super Mario Bros 2: Disk System Accurate Sound

Hack of Super Mario Bros. 2

Description:

Everybody knows the trivia, okay? But what if SMB2 could’ve sounded closer to Yume Kojo: Doki Doki Panic (Dream Factory: Lub-Dub Panic)? This hack aims to sound as close as possible, with about 95% of the sound restored from the form of translated instrument data, to the very DPCM samples you should be hearing.

V1.3 Changes:

  • Bomb sound added to mimic bomb sound
  • World warp values restored

V1.2 Changes:

  • Doubled PRG size
  • Implemented lead DPCM for title and warpless ending themes

V1.1 Changes:

  • Restored DPCM constants to original order
  • Removed 1.0’s testing features
  • Fixed CHR switching bug
  • Inexplicably fixed bomb collision by altering sound processing
  • All DPCM sound effects now processed under one subroutine
  • Restored “subcons freed” theme and used it for warped playthroughs.
  • DPCM now continues playing while music stops

Main Features:

  • Fresh DPCM Samples - And More of Them - All 16 FDS-exclusive sound effects were all recorded to the DPCM channel, even the unused sound that was presumably replaced by the 1UP sound. This is possible due to upgrading to the MMC5, and using its capabilities to swap out data where DPCM normally goes.
  • Music is redone - Yes, even the “subcons freed” music which was replaced by a copy of the slot fanfare, although it doesn’t play beyond the first segment.
  • Queues have been reverted to its original state, although their constants have been shuffled around.
  • All coin inserts act like they originally did in Lub Dub Panic on the slot machines.
  • DPCM features priority to let the bosses squawk uninterrupted as they did originally.
  • Mainstay pulse queue migrated to Channel 2.

Testing related features:

  • Quadrupled Starman time
  • Doubled stopwatch time
  • Infinite 1UP’s
  • Infinite Subspace visits for coins
  • Subspace time extended by ~2.66x
  • Toad has a higher running speed and jumps higher

ROM / ISO Information:

  • Database match: Super Mario Bros. 2 (USA) Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042) File SHA-1: 7DF0F595B074F587C6A1D8F47E031F045D540DAE File CRC32: 7D3F6F3D ROM SHA-1: 43AC7C7AAF1846EAD7B544302BB9131E4964FD32 ROM CRC32: 57AC67AF

Links:

Screenshots:


RHDN Hack ImageRHDN Hack Image

Credits:

Credits
ContributorType of contributionListed credit
Tempo QuillMusicSound driver improvements, Recording, Music

User Review Information

Just play the original

Reviewed By: JP32 on 04 Jun 2023

This is missing the (worse) pick-up sound effect from DDP, its still the same as SMB2/original.

Also whats up with the random changes? The Toad’s physics changes are OP and just so random, other changes makes no sense at all, just make them separate or dont include them at all as they are super unnecessary for audio patch.

Anyway, while this is interesting enough, I dont recommend it as SMB2/original is so much superior audio-wise other than few music being different and worse, especially character-select theme being shorter and sound effects being worse.

Version 1.0 Recommended - No

User Reviews
HeadlineAuthorDateVersionRecommend
Does what it's suppose toLuigiXHero04 Aug 20231.3aYes
Not really an improvement, but..lexluthermiester23 Jun 20231.2No
Just play the originalJP3204 Jun 20231.0No
Awesome but remove all the debug featureslegend8003 Jun 20231.0Yes