Michael J. Mahon wrote:
I should have added that re-writes of data can clobber a few sync bytes, so writing 8-10 leaves room for some leading nibbles to get overwritten while still ensuring >6 intact sync nibbles.
Yes, but in this case the disk doesn't need to be rewritten once it's written; "Ultima" doesn't write to its own game disks, only to the user-supplied "player disk".
But thanks for the heads-up! -- Linards Ticmanis