BIOS / Int / Int 13 / 07

     INT 13 - FIXED DISK - FORMAT DRIVE STARTING AT GIVEN TRACK (XT,PORT)

Input			Output
AX	07h	Interleave	Status	AX
				BX
CX	Cylinder	Sector		CX
DX	Head	Drive		DX
ES:BX	512 byte Format Buffer		Set if Error	CF

        Interleave only need to be specified on XT's

        The top 2 bits in CL are bits 8 & 9 of the cylinder number.

Format Buffer:  2 bytes per sector:
                        F = Indicator
                            00h = Good Track
                            80h = Bad Track
                        N = Sector Number

Status: See function 01h