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Cruzer
Registered: Dec 2001
Posts: 1048 |
Formatting a disk from Basic
Anyone knows how to format a disk in basic, without using any cartridge-specific commands? IIRC it's something with "open". |
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Graham
Account closed
Registered: Dec 2002
Posts: 990 |
They do? On small files the FC3 is actually faster than an AR6 due to less drive upload time and no full track access :P |
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Oswald
Registered: Apr 2002
Posts: 5094 |
graham: guess what, @: is a commodore dos, and no AR only feature. hope it helped your mental health today, to call us stupid AR folks. |
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Graham
Account closed
Registered: Dec 2002
Posts: 990 |
Oswald: Yes, @ is a DOS command but you know what it does? It first saves the file to disk and then deletes the old file. |
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Wanderer
Account closed
Registered: Apr 2003
Posts: 478 |
Quote: Oswald: Yes, @ is a DOS command but you know what it does? It first saves the file to disk and then deletes the old file.
The @ command is a DOS command which Commodore implemented with the evil intent to corrupt source code files, thus causing agony and frustration for programmers worldwide. How many times have I lost code due to the Save and Replace operation? Too many.
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hollowman
Registered: Dec 2001
Posts: 474 |
Quote: The @ command is a DOS command which Commodore implemented with the evil intent to corrupt source code files, thus causing agony and frustration for programmers worldwide. How many times have I lost code due to the Save and Replace operation? Too many.
i stopped using it after losing sourcecode for the first time =) |
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Graham
Account closed
Registered: Dec 2002
Posts: 990 |
Ofcourse some people like some risk in their lives, and the @ command is very good for that. |
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MagerValp
Registered: Dec 2001
Posts: 1078 |
Yeah, I have an old source disk that's been nuked by @:... If you do, it's actually possible to recover all the files, since only the directory is corrupt. By following all the sector links with a recursive algorithm you can reconstruct file chains. My d64 library is probably a good starting place if you feel like writing a recovery utility:
http://www.paradroid.net/diskimage/
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Cruzer
Registered: Dec 2001
Posts: 1048 |
damn, just formatted the wrong disk by mistake. guess it's back to square one :) |
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iopop
Registered: Dec 2001
Posts: 317 |
Quote: Yeah, I have an old source disk that's been nuked by @:... If you do, it's actually possible to recover all the files, since only the directory is corrupt. By following all the sector links with a recursive algorithm you can reconstruct file chains. My d64 library is probably a good starting place if you feel like writing a recovery utility:
http://www.paradroid.net/diskimage/
Broken disks is shit. For some reason, which I cant remember right now, I had to code such a tool at lcp this year.. |
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Wanderer
Account closed
Registered: Apr 2003
Posts: 478 |
Quote: Broken disks is shit. For some reason, which I cant remember right now, I had to code such a tool at lcp this year..
I know that the track/sectors follow a pattern (eg. 2/14 2/4, 2/13. 2/3). I've been able to resurrect a few programs with a sector editor.
It goes without saying that if you do lose a file due to scratching it, you can put a value of 130 in the directory to restore it. Everyone must know this already :) I remember being given disks (as a youth) with games and the first thing I'd do was check it for deleting files. I was able to restore a few games this way.
Back on topic though, save and replace sucks. If not for that, I'd still have my missing level for my Jailbreak game. *sigh*
I lost a few vital things that way...
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