 The disk pack formatter program, FMT, allows DB, DK, DM, DP, DR, and
 DY disks to be formatted and verified on an RSX-11M system that
 supports diagnostic functions.  The disk packs may be completely
 formatted or formatted on an individual sector (or track for DM)
 basis via a manual mode option.  Last track bad block information
 on the DM and DR disks is taken into account while formatting.
 On DY diskette's, the density can be set to either single or double
 without diagnostic support.

 The general form of the command line is:

	>FMT ddn:/switches

 where ddn is the device and unit number of the disk to be formatted
       switches is one or more of the following:
		/BAD	- run the badblock locator task if installed after
			  formatting
		/DENS	- set diskette density
		/ERL	- set maximum tolerable error limit
		/MAN	- enter manual mode
		/OVR	- override manufacturer's bad sector file
		/VE	- verify
		/WLT	- re-write the manufacturer's last track
		/@Y	- use special mode for operation with IND

 All switches are qualifiers for FMT.  Errors are normally retried
 once before an error message is printed.
2 BAD
 The /BAD switch will cause the badblock locator task, ...BAD,
 to be spawned after the format operation is complete.  If BAD
 is not installed a warning message will be printed.
2 DENS
 The /DENS switch sets the diskette density to either single or double.
 The default density is single.  The following are acceptable:

	FMT>DYn:/DENS=LOW	!set to low (single) density
	FMT>DYn:/DENS=SINGLE	!set to single (low) density
	FMT>DYn:/DENS=HIGH	!set to high (double) density
	FMT>DYn:/DENS=DOUBLE	!set to double (high) density
2 ERL
 The /ERL=n switch sets the maximum pack error limit.  When this error
 limit is reached, the format operation is terminated.  The default
 limit is 256(decimal) errors.  Any value from 1 to 256 inclusive is valid.
2 MAN
 Enter manual mode.  This mode permits individual sectors (or tracks
 for DM disks) to be formatted.  The parameters entered are decimal
 unless prefixed with a pound sisn ("#").

	>FMT DR1:/MAN/VE	!Manually format and verify DR1

	** WARNING - DATA WILL BE LOST ON DR1:  **

	CONTINUE [Y OR N]?  Y

	ENTERING MANUAL MODE
	CYLINDER = 12
	TRACK    = 2
	SECTOR   = 1

	OPERATION COMPLETE
2 OVR
 Override the manufacturer's bad sector file on DM and DR disks.
 When writing the headers on those disks, any sector marked bad
 in the MDBSF will have its bad sector flags set in the header
 words.  When a verification error occurs, a message will be
 printed if the sector is marked bad in the MDBSF.  The /OVR
 switch will inhibit this MDBSF checking.

	>FMT DR1:/VE/OVR

2 VE
 Verify that the format operation was successful.  This operation
 will vary depending on the type of disk that is being formatted.
 It will generally consist of reading back the headers and verifying
 that they were written correctly.

	>FMT DR1:/VE		!Formats and verifies DR1
2 WLT
 The /WLT switch will cause the manufacturer's bad sector file to
 be re-written after the format operation has completed.  The MDBSF
 will contain entries for each sector that was found to be un-formatt-
 able.  Each bad sector will also be re-written so that it's header
 will be properly flagged as a bad sector.

 This switch also takes as an argument a decimal value which will
 be used as the pack serial number.  Example:

	>FMT DR1:/VE/WLT=12345

 This switch must be used in conjunction with the /VE switch.
2 @Y
 The /@Y switch puts FMT into a special mode of operation that is
 intended for use with the indirect command file processor.  The mode
 causes no operational messages to be printed and no confirmation
 question to be asked.

 You are cautioned against using this switch, because packs can be
 destroyed by an incorrect command line.

 Manual mode is prohibited in this mode.
