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Forums > CSDb Entries > Release id #209983 : cc1541 V3.3
2021-10-05 04:55
Zaphod

Registered: Jun 2012
Posts: 63
Release id #209983 : cc1541 V3.3

A tip. If you use -r to specify a start track, if said track is before 18 and you are using transwarp, it will go backwards instead of forwards. This behavior makes sense, but it is probably not what you would expect.

Transwarp can only use consecutive empty tracks . So you may run into the track 18 barrier when trying to add a file. Changing the order or starting track of files will help get around this.
 
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2021-10-08 01:45
Zaphod

Registered: Jun 2012
Posts: 63
There have been cases where i've had to use -r because the default is not optimal, though it's a greater issue when you need to work around preallocated blocks.

Koronis Rift was a nightmare in that regard, but i did it.

still should be some note that for transwarp, -r is the highest track if below 18, and the lowest track if above 18.
2021-10-08 14:45
Krill

Registered: Apr 2002
Posts: 2173
Quoting Zaphod
If you use -r to specify a start track, if said track is before 18 and you are using transwarp, it will go backwards instead of forwards. This behavior makes sense, but it is probably not what you would expect.

Quoting Zaphod
still should be some note that for transwarp, -r is the highest track if below 18, and the lowest track if above 18.
The note would be something in the vein of

"While cc1541 optimises for sequential loading of files or a directory buffer, and thus allocates standard-format files from track 1 upwards, Transwarp files are allocated like standard-format files allocated by the original CBM DOS.
I.e., starting from around the directory track and then away from the directory track.
Note that Transwarp files occupy contiguous chunks of entire tracks, and thus may not be split across the directory track or tracks occupied any other files."
2021-10-08 14:54
Krill

Registered: Apr 2002
Posts: 2173
Quoting Zaphod
The real solution is a gui mastering program that lets peopl drag and drop transwarp files ono the disk. :)
Since the encoder is released under cc1541's permissive MIT-style license (while the C-64/drive-side 6502 assembly decoder/loader code is GPL-licensed), somebody may some day build just such a tool. =)
2021-10-08 15:51
Claus_2015

Registered: Oct 2012
Posts: 39
The point will come, when the commandline help of cc1541 just is not sufficient anymore and real documentation will be needed. Well, I feel that point was actually already reached some years ago :-D.
2021-10-08 16:39
Groepaz

Registered: Dec 2001
Posts: 10164
$ x64sc -help | wc -l
1816


*evil laughter*
2021-10-08 17:39
Frantic

Registered: Mar 2003
Posts: 1561
*nerdy evil laughter*
2021-10-08 18:16
tlr

Registered: Sep 2003
Posts: 1538
https://www.youtube.com/watch?v=g20_8-TPyTQ
2021-10-08 18:36
JackAsser

Registered: Jun 2002
Posts: 1870
Quote:
$ x64sc -help | wc -l
1816


*evil laughter*


2>&1
2021-10-08 18:46
Zaphod

Registered: Jun 2012
Posts: 63
Quote:

-r track Restrict next file blocks to the specified track or higher.

it doesn't do that for transwarp, unless said track is higher than 19

i went "i said lowest track of 7, why is it trying to write to 6?!?!"

so where's decc1541? (extracts files from existing .d64 and .g64 images, including vorpal/heureka sprint/rapidlok/v-max/etc.) :)
2021-10-09 03:37
Krill

Registered: Apr 2002
Posts: 2173
Quoting Zaphod
Quote:

-r track Restrict next file blocks to the specified track or higher.

it doesn't do that for transwarp, unless said track is higher than 19

i went "i said lowest track of 7, why is it trying to write to 6?!?!"
Yeah, well, the documentation isn't updated yet, as the priority was on releasing the functionality itself.

Quoting Zaphod
so where's decc1541? (extracts files from existing .d64 and .g64 images, including vorpal/heureka sprint/rapidlok/v-max/etc.) :)
Feel free, go ahead and make it real! =)
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