[sebhc] fstools and other things
Dwight K. Elvey
dwight.elvey at amd.com
Wed Jun 2 19:32:27 CDT 2004
>From: "Eric J. Rothfus" <eric at rothfus.com>
>> ...It's on every sector, so that the driver can always detect if the disk
>> has been changed without having to seek back to track0 & read the disk...
>OOOoooh, that's makes sense. Thanks.
>So the volume number is somewhat overloaded to indicate "disk change."
>It seems to confirm, too, that there is only one volume number
>for a floppy. Does that also explain why track 0 has volume
>number of zero?
This way there was a common place to boot from. It is also why
most of the boot track is wasted.
>Do you know if CP/M drivers for the Heathkit hard-sectored controller
>do the same thing?
I'd suspect that they all use volume 0 but I don't know. The
problem is that sector 9 would contain random data. My Fig-Forth
disk is like this.
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