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IBM System 34 double density format

163 bytes added, 14:13, 29 July 2018
/* Syncing */
NOTE: A1/C2 are the only MFM-words which have a missing clock. All the others are written like normal data bytes.
 
===CRC===
 
The CRC is initialised to FFFF. It is updated byte by byte and uses the CCITT-CRC16 algorithm. It is written to the track high byte and then low byte.
===Syncing===
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