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Forums > C64 Composing > MUSIC RASTERTIME CRUNCHER V3.0 - help-!!!!
2005-09-14 13:08
Bamu®
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Registered: May 2005
Posts: 1332
MUSIC RASTERTIME CRUNCHER V3.0 - help-!!!!

MUSIC RASTERTIME CRUNCHER V3.0

I found this tool on one of my disks...
not sure how this works but i have a problem.
after crunching the song it plays some seconds, but after this the song loops again, again from beginning.... ?1!?
What is wrong?
2005-09-14 13:18
Steppe

Registered: Jan 2002
Posts: 1510
There's probably nothing wrong. I can imagine that tool executes the playroutine of your song and caches the generated data in huge tables until the memory is full.
The gain in speed just goes at the expense of memory consumption.
2005-09-14 13:24
Bamu®
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Registered: May 2005
Posts: 1332
Quote: There's probably nothing wrong. I can imagine that tool executes the playroutine of your song and caches the generated data in huge tables until the memory is full.
The gain in speed just goes at the expense of memory consumption.


Then, the tool isn't useful?
2005-09-14 13:25
SIDWAVE
Account closed

Registered: Apr 2002
Posts: 2238
Yep. The player first 'streams' music to ram, then plays it like:

lda music,x
sta d400,x

That can only be a few seconds.. :-)
2005-09-14 13:29
Bamu®
Account closed

Registered: May 2005
Posts: 1332
Maybe a REU could help ? ! ;-P
2005-09-14 13:30
Zyron

Registered: Jan 2002
Posts: 2381
It doesn't use much r-time though :)
2005-09-14 16:01
cadaver

Registered: Feb 2002
Posts: 1163
Hmm, think a bit what you would achieve with REU, tens of kB's wasted when the original music takes maybe 4kB... Even with a fastloader, the music would take a looong time to stream from the disk -> pissed off users
2005-09-14 16:29
scout

Registered: Dec 2002
Posts: 1578
Hmm... this reminds me of a tune used in a Megastyle demo which uses the same technique.
Afaik, it was a tune by J.O.
But which Megastyle demo...?

Hmmm...a part with pic of some Emperial Guards (from Star Wars) pops into my mind now...

R.

Edit: Found it!
It's used in Megastyle's demo Piece of Cake 3 (Piece of Cake 3)
"Rastertime eating tune" by Henning Rokling.
Indeed, the part (2nd part, with the double megadycps) with Darth Vader+Guards.


---
-= Silicon Ltd. =-
http://forum.siliconlimited.com
2005-09-15 14:16
Yodelking

Registered: Apr 2002
Posts: 189
If I remember correct /20CC/van_Santen_Edwin/Revolution.sid
also uses some technique like this.

2005-09-15 14:58
Dane

Registered: May 2002
Posts: 423
Loads of other interesting ways to reduce rastertime :)
2005-09-22 16:28
The Syndrom

Registered: Aug 2005
Posts: 61
I once did a special player which I think makes a good compromise. I called it 'microtracker' and it takes up to 4 or 5 rasterlines, and the tune gets around $1800 long, though the possibilities in that player are ofcourse a little limited. As far as I remember I did one or two tunes with it (in turbo-ass ;-), 'micromania' or something...
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