Tool-assisted game movies
When human skills are just not enough

Submission #5492: Mukki & ruadath's GBA Sonic Advance in 10:49.73

Console: Game Boy Advance
Game name: Sonic Advance
Game version: USA
ROM filename: Sonic Advance (USA)
Emulator: Bizhawk 1.12.0
Movie length: 10:49.73
FrameCount: 38807
Re-record count: 5055
Author's real name:
Author's nickname: Mukki & ruadath
Submitter: ruadath
Submitted at: 2017-05-02 19:53:03
Text last edited at: 2017-06-03 17:09:41
Text last edited by: fsvgm777
Download: Download (18562 bytes)
Status: published
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Author's comments and explanations:
This is mostly just a port of the previous TAS to mGBA, with all of the platforming sequences remaining unchanged. However, there are a few differences.

(Link to video)

First, we use the soft reset trick at the beginning of the game to skip the intro. More importantly, due to the manner in RNG in this game works, the boss fights in each of Casino Paradise, Ice Mountain, and Angel Island have to be redone.

Due to bad RNG, I lose roughly roughly .2 seconds in the first of those stages, and .15 in the next stage (more precise to be added later). However, I manipulate a significantly better pattern for the Metal Sonic fight, and save over half a second there. These values are all given based on the IGT, by the way.

Although the total time of this movie is 3 seconds longer, this is mostly due to the increased framerate of VBA. If we discount the opening portions of both movies (which gets rid of the GBA BIOS animation on mGBA, and the lack of reset on VBA), it should be fairly straightforward to see that this is the shorter movie (despite the 3-4 frames of additional lag picked up on each level due to more accurate emulation).

There is probably still room for improvement. One thing I did not incorporate is the 4 frame improvement to Casino Paradise 1 given in the game topic thread, due to the fact that it didn't actually end up saving time due to waiting for RNG for the Casino Paradise 2 boss.

Level Mukki me Change
Neo Green Hill 1 0:12:67 0:12:67 0:00:00
Neo Green Hill 2 0:29:15 0:29:15 0:00:00
Secret Base 1 0:19:03 0:19:03 0:00:00
Secret Base 2 0:32:02 0:32:02 0:00:00
Casino Paradise 1 0:13:95 0:13:95 0:00:00
Casino Paradise 1 0:34:25 0:34:42 +0:00:17
Ice Mountain 1 0:10:43 0:10:43 0:00:00
Ice Mountain 2 0:42:37 0:42:50 +0:00:13
Angel Island 1 0:13:58 0:13:58 0:00:00
Angel Island 2 0:36:53 0:36:00 -0:00:53

That's it for changes; it appears that I lose about .15 seconds on the final stage, but this is actually copied identically from the previous TAS and appears to be due to clock desync between the emulators

Fog: Judging.

Fog: It's nice to see this was able to be ported to a more accurate emulator in mGBA, and still save time compared to the previous submission.

Accepting as an improvement to the previous publication.

Fog: Replaced movie file with a file with a small improvement to IGT.

fsvgm777: Processing.

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