X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 13 - fixed disk - format track and set bad sector flags (xt,port)

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INT 13 - FIXED DISK - FORMAT TRACK AND SET BAD SECTOR FLAGS (XT,PORT)
        AH = 06h
        AL = interleave value
        CH = cylinder number (bits 8,9 in high bits of CL)
        CL = sector number
        DH = head
        DL = drive
Return: AH = status code (see AH=01h)
Notes:  AWARD AT BIOS extended to handle more than 1024 cylinders by placing
          bits 10 and 11 of the cylinder number into bits 6 and 7 of DH
        apparently, the AMI BIOS also follows this convention

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