BACKSPAC Use the BICKSPIC command to restart or reposition the current output on
a real punch or printer. If theBICKSPIC com.and is issued while an
intervention required condition is pending on the printer or punch, the
interrupted channel program is terminated and the backspace isperformed. The format of the BICKSPIC command is:
PrinterBICKSPIC Pormat Punch BACKSPAC Pormat , r , I BAcks pac raddr IPile I I Blckspac raddr raddr PILE pages EOP I pages [EOP] I I I 1 I I L JI I is the address (cuu) of the real unit record device that is to
be backspaced. This addressmust be that of a punch or a
printer.
specifies that the output spool printer or punch file is to be
restartedfrom the beginning.
specifies the number of pages to be backspaced on the printer.
If the field is not specified, the printer is backspaced to
the beginning of the page being printed when thecommand is
received.
specifies that printing is toresume from the end of the spool
file. Backspacing occurs the requestednumber of pages from the end of the spool file. Printing is restarted at this
location.
1. Pages for backspacing are counted startingfrom the end of the
current spooling buffer. output containing asmall number of lines
per pagemay require a count of more than one to backspace one
page.
2. Pages are
channel 1
skip to
restarted
begins at
counted inBICKSPAC operations by looking for skip to
specifications (page ejects). If a file does not contain
channel 1 specifications, processing of the file is
regardless of thenumber of pages indicated. Counting
the end of the current buffer.54 V!/310 Operator's Guide
a real punch or printer. If the
intervention required condition is pending on the printer or punch, the
interrupted channel program is terminated and the backspace is
Printer
be backspaced. This address
printer.
specifies that the output spool printer or punch file is to be
restarted
specifies the number of pages to be backspaced on the printer.
If the field is not specified, the printer is backspaced to
the beginning of the page being printed when the
received.
specifies that printing is to
file. Backspacing occurs the requested
location.
1. Pages for backspacing are counted starting
current spooling buffer. output containing a
per page
page.
2. Pages are
channel 1
skip to
restarted
begins at
counted in
specifications (page ejects). If a file does not contain
channel 1 specifications, processing of the file is
regardless of the
the end of the current buffer.