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There seems to be some kind of flaw on my system when playing music via the music pattern editor: it'll start playing normally, with the display scrolling, but despite my making no input with mouse, keyboard, or controller, it will abruptly stop scrolling and leave the cursor behind.

My first thought was that perhaps the active SFX in the SFX editor had started, but that wasn't the case in any of my tests. There's no obvious pattern to it - it's not after a fixed duration, after a fixed number of patterns, or after a specific pattern appears - but in each of the files I tried, it stopped on the same places in two separate tests.

The music continues playing as normal and correctly - it's as if, at an unpredictable point, PICO-8 decided I clicked on the SFX or the cursor or something to edit the current SFX.

Edit: I posted below that this seems to happen when the SFX in the selected channel changes from one pattern to the next; doing a quick test on 0.2.4, I didn't see it happen there. It looks like this may have been introduced in 0.2.4b.

Edit: Fixed in 0.2.4c!

P#106845 2022-02-13 18:41 ( Edited 2022-04-11 00:49)

Wait, I think I might have noticed a pattern. Using one of my test cartridges:

Cart #durumohiju-0 | 2022-02-13 | Code ▽ | Embed ▽ | No License

...and playing from SFX 0:

  • If the cursor starts in column 0, the anomaly happens on pattern 02.
  • If the cursor starts in column 1, the anomaly happens on pattern 01.
  • If the cursor starts in column 2, the anomaly happens on pattern 20.
  • If the cursor starts in column 3, the anomaly happens on pattern 04.

...it's when that SFX changes.

P#106847 2022-02-13 18:50

Good catch! - can we bug report this somewhere?

P#106890 2022-02-14 08:36

I reported this as well under here: https://www.lexaloffle.com/bbs/?tid=44529
I'm worried it was all caused cause of trying to fix the crashes I've had for years with the sound related stuff.
The scrolling stops but you can also play the music interupted by stopping the game by trying to click on a empty pattern in the pattern view... :I

P#106891 2022-02-14 09:22 ( Edited 2022-02-14 09:22)

@dfilskov: I don't know if there's another place to report bugs - I always post them here in the PICO-8 Bugs forum subcategory.

@SmellyFishstiks: I'm not sure I follow what you're talking about in the other thread - it sounded like you were experiencing crashes, and it's not crashing in my case - but it'd be interesting if these were connected.

P#106900 2022-02-14 15:22

I was having crashes for years when saving or running during playback, then zep put in safety sdl measures if I understand correctly and then suddenly the sound all breaks? I'm pretty sure it's related ;\
Was referring to the bottom of the page

P#106913 2022-02-14 18:37 ( Edited 2022-02-14 18:37)

I'm getting that on this cartridge by @JWinslow23. His epic, "Bad Apple" music. Bring it up in the editor. Go to MUSIC. Then play. When it gets to track 3, the highlighter stops scrolling and does not track properly.

Here you can see me playing track #2 and when it gets to track #3 it stops scrolling.

P#106919 2022-02-14 20:02

@SmellyFishstiks Okay, I see it now - you describe it happening to you in the middle of the second paragraph here? Yeah, that sounds like the same bug - does it have that thing I noticed upthread of happening on the pattern switching SFX?

@dw817 Yes, that looks like the same thing! Judging by the colors, channel 0 on patterns 00, 01, and 02 all have SFX 01, and then when channel 0 switches to SFX 03 at pattern 03 things break.

P#106933 2022-02-15 01:00

Well the cursor is in column 1 and it breaks in pattern 1 so seems like it. @packbat
There's also that other issue that I took a video of which I assume isn't meant to happen as well :p

P#106934 2022-02-15 01:09

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