Date archives: 7 September 2010

The MFM decoder logic has now been adjusted to take into account the last bitcell width.  If it's too short it will knock 125uS off the current bitcell.  If the last bitcell was too long it will add 125uS to the current bitcell. Success!  All 10 disks have 100% block...

The table below shows a snippet of block 655 on the "Copy" disk and the "CopyOfCopy" disk (on the right).  It's the dreaded 5 and 7 microseconds.  Slap bang in the middle between valid bit cell windows.  I did the obvious thing and adjusted my code to accept these values...