Xerox FreeFlow Printer User Manual


 
Specifying input parameters
Using LCDS Print Description Language 2-17
BLOCK
POSTAMBLE
parameter: points
to note
If the block delimiter string constant is specified, the block
postamble is ignored.
The POSTAMBLE parameter may be overridden if RECORD
STRUCTURE is changed through tape label processing.
BLOCK PREAMBLE
Specifies the length of the operating system portion of the block;
that is, the byte offset from the first byte of a tape block to the
first byte of the first logical record.
Syntax BLOCK PREAMBLE = length
Options
Default 0
BLOCK ZERO
Specifies the End-of-block indicator.
Syntax BLOCK ZERO = {NO | YES}
Options
Default NO
Table 2-13. BLOCK PREAMBLE parameter options and definitions
Option Definition
length An integer in the range of 0 to the block length that specifies the number of
bytes from the first byte of the tape block to the first byte of the first logical
record
Table 2-14. BLOCK ZERO parameter options and definitions
Option Definition
YES Specifies that the end of a tape block is indicated by a value of 0 in the record
length field (before applying the record length adjustment). Data that follows
the record is ignored through the end of the block.
NO Indicates that the end of a tape block is not indicated by a value of 0 in the
record length field.