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c64 desert dream demo screwed my 1541

category: general [glöplog]
 
did this happen to anyone here?
When I inserted the second disk of the demo (after the vector intro) the drive grinded heavily and then stopped recognizing any disk.
It came back only after plugging it to a pc and accessing through star commander. Any idea?
added on the 2007-07-15 14:19:34 by chriz74 chriz74
you must run it from tape, not floppy.
added on the 2007-07-15 14:27:22 by nosfe nosfe
yeah right
added on the 2007-07-15 14:32:36 by chriz74 chriz74
You might consider that at the time of happening any other demo could have trashed your drive to.. Have you tried running the demo again to see if it happens again?

Perhaps its time to buy a new drive ;)
added on the 2007-07-15 14:53:24 by magic magic
the drive works correctly with other disks now. It didn't like that desert dream disk.
added on the 2007-07-15 14:57:23 by chriz74 chriz74
n00b!
added on the 2007-07-15 18:29:57 by scoutski scoutski
no, he has a point. "i think" (TM LCF)

for me at least there is some issue with this prod when I try to run disk two. it just crashes. also, randomly currupted data in the first part.

this is badly coded drive timing routines, i'm sure. "fastest" is not always best when you try to make a prod work on all hardware
added on the 2007-07-15 19:02:13 by button button
lame code
added on the 2007-07-15 19:02:50 by button button
chriz74,

the head may be offpositioned so, that you need some trickery to get it back to the track, this is probably what have happened.

might have been caused by different head move/spinning speed, than what the loader was optimized to.

we have used an old loader which's fault is that it tries to maxx out the speed to much.

AFAIK the loader will like most 1541II.

sorries.
added on the 2007-07-15 19:45:53 by Oswald Oswald
oswald: bad block reading code but cool demo :) you need to make a fix with tamed timing!

my friend also has trouble running it so this may be a common issue?
added on the 2007-07-15 19:53:16 by button button
Thanks. I'll try once again to run the demo and report what happens.
added on the 2007-07-15 20:50:18 by chriz74 chriz74

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