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Chip music

A Computer In My Backpack

(And A Chiptune In My Heart)

This was my contribution to the Oldskool Music compo at Revision 2016. It ended up on a 5th place.


The tune also has a csdb page.

Posted Monday 28-Mar-2016 11:51

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Disclaimer: I am not responsible for what people (other than myself) write in the forums. Please report any abuse, such as insults, slander, spam and illegal material, and I will take appropriate actions. Don't feed the trolls.

Jag tar inget ansvar för det som skrivs i forumet, förutom mina egna inlägg. Vänligen rapportera alla inlägg som bryter mot reglerna, så ska jag se vad jag kan göra. Som regelbrott räknas till exempel förolämpningar, förtal, spam och olagligt material. Mata inte trålarna.

Tue 29-Mar-2016 14:45
Dank tune, m8. Are you going to render the demo out for a YouTube video for us plebs who can't run the demo?
Linus Åkesson
Tue 29-Mar-2016 22:48
It's a tune, not a demo, so there wouldn't be anything interesting to see. If you run the C64 executable, you get to watch the name of the tune and a visualisation of the CPU time used by the playroutine. But you're not really missing anything if you stick with the MP3.
Wed 30-Mar-2016 22:30
Nice tune! I play it on SIDPlayer.
Sat 21-May-2016 02:01
Beautiful melody, I love what you do and the style of old school. I follow you since the chipophone don't drop out, i hurriedly to listen your new stuff.

Best regards,


P.S. Sorry for my english ! I'm a french Canadian
Wed 1-Jun-2016 13:28
Awesome song! I love it.
Could this be implemented on a microcontroller (without SID)?
Would you open the source code?

Sat 30-Jul-2016 15:22
I played it on my real C64. Playback seemed faster than the reference mp3.

I got the same playback issue when running it on MAME c64 driver (NTSC).
When using the MAME c64p (PAL) it played nicely.

Any idea what's the issue and if there's anything I can do to play it correctly on my real C64 ?
Linus Åkesson
Sat 30-Jul-2016 16:07
Yep, it's a PAL tune. Most demoscene-related C64 software is made for one TV standard only (and usually it's PAL). However, you can use Sidplay64 to play the tune on an NTSC machine. The latest version is here: http://csdb.dk/release/?id=147517

The tune is also made specifically for the new sid chip (8580). This is also very common in the demoscene, because the filter behaves predictably on the new chip, and that's obviously good for the composer's nerves in a competition. On the original 6581, each individual chip has a very different filter curve.