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Jammer
Registered: Nov 2002
Posts: 1336 |
Event id #2967 : 25Hz Music Compo 2020
Welcome to the first and hopefully not the last edition of 25Hz Music Compo!
Basic premise is to create a piece of music with player that updates SID registers at rate of 25Hz or to put it in other words - every 2nd frame. There are very few tunes out there playing at such slow speed but maybe it's the right time to change it? :) Here are couple of examples:
Low Frequency
Half-Funk
Compo rules:
1. No covers and remixes allowed.
2. No upper limit for playtime.
3. No limit of tunes per author but playtime of each has to be at least 2 minutes.
4. Use any editor that allows you to use such playback rate or go for custom player if you need. Goat Tracker surely offers 25Hz playback (Multispeed 0).
Good luck and have fun! <3 |
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Stinsen
Registered: Feb 2012
Posts: 77 |
If the compo itself is going to be only half as entertaining as this thread it will be golden. :D |
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TheRyk
Registered: Mar 2009
Posts: 2268 |
After Posting #2 by Count Zero (worrying about discrimination against the ONE NTSC musician out there and his 59,94 Hz), I knew this thread was developing in the right direction ;)
However, good that Jammer found his humour again, you know we love you and don't want to ruin your compo, we just love to be smart asses, it's nerd nature |
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Laxity
Registered: Aug 2005
Posts: 459 |
Quote: Quoting LaxityWould it be acceptable to update the driver at 50Hz, if the driver only outputs to the SID every other frame?
I suppose you mean player call rather than proper update. In that case sure! Unless you mean updating some internal player variables per VBL - but I cannot think of any potential benefit to that solution then :D
Yeah, that is what I ment, but also you could spread out cpu usage a bit. My main reason was, that if it can be a player/driver detail and not an interrupt handler ditto, I would not need to do havky hack to my editor, if I wanna make a halfspeed SID. |
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Jammer
Registered: Nov 2002
Posts: 1336 |
Anything is valid as long as SID registers are updated every 2nd frame ;) I won't make any problems here :D |
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Laxity
Registered: Aug 2005
Posts: 459 |
Cool, buddy. :) |
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Frantic
Registered: Mar 2003
Posts: 1648 |
If it is allowed to update sid twice on the same frame (in the very beginning and the very end) at every 2nd frame, then that would almost be the same as normal single speed tunes. I hope ppl won't be that boring though. Just my autistic 5 cents. |
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deetsay
Registered: Aug 2005
Posts: 43 |
Quote: If it is allowed to update sid twice on the same frame (in the very beginning and the very end) at every 2nd frame, then that would almost be the same as normal single speed tunes. I hope ppl won't be that boring though. Just my autistic 5 cents.
:-D ...or playing a sample on every second frame... |
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Copyfault
Registered: Dec 2001
Posts: 478 |
Maybe put some limit to the raster-time usage in addition to "player call every 2nd frame"?
I remember asking kb to do a half-speed tune back then just because I was too f**king lame to get my shadebob-routine fast enough, so there was indeed a raster-time reason behind it. Interesting that kb decided to release it on this music disk linked in the OP, didn't even know that.
Thumbs up for the compo! If I only could get kb back to c64 music... that would be something :) |
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Jammer
Registered: Nov 2002
Posts: 1336 |
Quoting FranticIf it is allowed to update sid twice on the same frame (in the very beginning and the very end) at every 2nd frame, then that would almost be the same as normal single speed tunes. I hope ppl won't be that boring though. Just my autistic 5 cents.
Nope, that's cheating! :D |
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Frantic
Registered: Mar 2003
Posts: 1648 |
Quote:Nope, that's cheating! :D
But... but... if it is only one player call, that lasts almost for a whole frame? |
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