[Fixed v2.0.0a2] Obasrki’s sleepwalk.mod cannot be imported.

[cpcitor]

Similar bug with another module, a very famous old soundtracker module by Karsten Obarski.

> We also need to know:
> – What machine you are using (what OS, what version).

Asus laptop, Ubuntu 16.04 AMD64.

# How to reproduce

* From http://janeway.exotica.org.uk/release.php?id=33815 download sleepwalk.mod. Actual URL seems to be ftp://modland.ziphoid.com/pub/modules/Soundtracker/Karsten%20Obarski/sleepwalk.mod

* Confirm file plays. Works here with mplayer, vlc, audacious.

* In Arkos Tracker 2 use “File->Open Song”.
* Accept default import options.

## Expected

Song loaded, able to play.

## Observed

Error window: “Unable to load the song. Errors have been found in the song format.”

Then:

E: The instrument end is superior to the instrument size: 3984
E: Unable to read the instrument 3

## Additional information

This might be either a bug in AT2 or an inconsistency in the file.
The fact that the file plays ok in players invites to believe that meaningful content can still be read from the file, and the iconsistency, if it exists, is probably of minor importance and should not prevent from importing the file into AT2.

[Targhan]

Yup, I know about this, this is because all very old MODs (the one with 15 instruments instead of 31) have a strange (buggy?) format when encoding the looping of samples. I didn’t exactly know how to handle these. I will find something.

[Author]

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