I did a little experimentation with ProDOS today, and found something
out about file limits.
Using Virtual ][, I created a directory on a 32 meg volume. I then
used a BASIC program to create a series of 1 block text files, using
a FOR/NEXT loop. After the loop got up to 2500, I interrupted the
program, and did a CAT of the A directory.
The files were named A0, A1, A2, A3, etc. The directory listing sped
by rapidly, and then suddenly I found it was starting over again! It
got up to file A1662, and then the next line had a file named "A",
with a filetype of $75, size of 8 blocks (all the others were 1
block), creation date of 12-DEC-04 0:02, and a file length of 862147.
1663 files is $67F in hex; that number does not sound significant to
me. SysUtil.Sys can only display 533 files in a directory at one
time, otherwise it runs out of memory, so I cannot get to the file to
delete it. I ejected the disk, and started up Bernie to look at it.
Directory "A" was absent! And then I could not get it to load again
in Virtual ][. So the directory structure may be hosed.
So the limit is somewhere below 1662 files.
-------------------------------------------------------
Steven Weyhrich <IX0YE>--<
Apple II History
http://apple2history.org
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