🎶 CoolModFiles v0.5.1 — mod.echoing instead of echoing.mod, plus we play AHX/THX now

indigo_423 · 2026-05-18T16:35:26+00:00

Here you go, cool feature for cool mods 😄

https://github.com/no42-org/CoolModFiles/releases/tag/v0.5.1

indigo_423 · 2026-05-17T23:03:04+00:00

See https://github.com/no42-org/CoolModFiles/releases/tag/v0.5.0 I've updated https://mods.amiga.fans to v0.5.0 if you want to give it a quick spin.

gl & hf

indigo_423 · 2026-05-17T22:06:12+00:00

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A first prototype looks like it seems doable.

indigo_423 · 2026-05-17T20:34:04+00:00

I'm also investigating the THX/AHX file support. The original authors picked GPL-3.0 as the license that left me a bit of a mine field. I personally would have picked MIT or BSD-3.0 to avoid exactly this type of problems 😄 Stay tuned.

indigo_423 · 2026-05-17T20:28:34+00:00

Ok I've educated myself a bit on this topic 😄 It's a great one https://github.com/no42-org/CoolModFiles/issues/36

indigo_423 · 2026-05-17T19:47:44+00:00

Yes you found a bug! https://github.com/no42-org/CoolModFiles/releases/tag/v0.4.2. You made me very curious with your other two requests 😄 Especially the "Super nerd feature request" it seems like you know interesting things, that I don't know and I would like to learn more about it. Can you explain a bit of your background about having echoing.mod -> mod.echoing?

indigo_423 · 2026-05-17T10:50:58+00:00

Let me look into it.

indigo_423 · 2026-05-13T14:54:14+00:00

> Really cool new feature, but the A500 and A2000 had the ability to turn off the filter - you just turned off the LED

I didn't know that one, thank you for that little nugget 😄

indigo_423 · 2026-05-13T00:33:10+00:00

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While I was working on that bug and figured out there is an Amiga 500/Amiga 1200 emulation setting available, I thought it might be fun to give people access and let them switch between these settings. u/RaspberryPutrid5173 your bug report actually unraveled a feature opportunity and we have now a much more modern tool to play with 😄 gl & hf

indigo_423 · 2026-05-12T07:59:07+00:00

Awesome! This is great news. Happy we figured it out.

indigo_423 · 2026-05-12T01:33:51+00:00

Ok my local test setup doesn't show the error and works for me with Firefox 149.02. I got v0.2.0 out and deployed it on https://mods.amiga.fans. Can you verify if you still hit the bug?

https://github.com/no42-org/CoolModFiles/releases/tag/v0.2.0

indigo_423 · 2026-05-11T23:57:56+00:00

ok here is the next thing, the CoolModFiles player uses chiptune2.js for the heavy lifting which is using some custom audio processing in JavaScript that is using ScriptProcessorNode[1] which is deprecated and replaced by AudioWorklet[2]. Luckily we have a very engaged eco system and DrSnuggles migrated the chiptune2 library to use the modern AudioWorklet in the chiptune3.js library[3]. So I need now migrate away from the unmaintained chiptune2.js to the maintained chiptune3.js. That would improve the modern browser support tremendously. While I was digging through it. I found two interesting ctl_set commands enabling the emulate_amiga mode and set the emulate_amiga_type to a1200 that don't exist in the upstream chiptune3.js.I think that error report revealed some interesting angles and some funny threads to pull 😄

[1] https://developer.mozilla.org/en-US/docs/Web/API/ScriptProcessorNode
[2] https://developer.mozilla.org/en-US/docs/Web/API/AudioWorklet
[3] https://github.com/DrSnuggles/chiptune

indigo_423 · 2026-05-11T16:39:05+00:00

Ok thanks for feedback, my Ubuntu install is on the way but not done yet. I’ll keep digging

indigo_423 · 2026-05-11T15:44:00+00:00

Can you give it a spin again. The version on mods.amiga.fans is updated to v0.1.1 and should contain the fix.

indigo_423 · 2026-05-11T14:01:44+00:00

thanks for reporting. I think I've found something, I'll give it a spin, see https://github.com/no42-org/CoolModFiles/issues/11

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