Bug in 1541 (Jiffy) DOS: allocating files

Date: 2009-01-24 16:10:27

Hallo allemaal,

I ran into a bug in JiffyDOS. I told you about the problems I had with 
copying sequential files. The source file had sectors, each filled with 
A's, B's, C's etc. After the creation (or copying) of the file I was 
missing one sector every time. After spending some hours looking for what 
caused the problem, I tried my program on a real 1541-II. Surprise, same 
problem! The only thing you have to do to see what I mean is to write (a 
multple of) 254 bytes to a sequential file. Now add the number of blocks 
occupied by the files and the number of free blocks: you will have one 
FYI: this 1541-II has no way to switch to the original DOS, so I couldn't 
test if it is just a bug in JiffyDOS or a bug that originates from the 
original DOS.

But I cannot imagine that I'm the first person in xx years encountering 
this problem. Is this a known bug or not?

   / __|__
  / /  |_/     Groetjes, Ruud Baltissen
  \ \__|_\
   \___|       http://Ruud.C64.org

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