lp man page on Ultrix

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lp(4)									 lp(4)

Name
       lp - LP11 line printer interface

Syntax
       device lp0 at uba0 csr 0177514 flags 0x???? vector lpintr

Description
       The provides the interface to any of the standard DIGITAL line printers
       on an LP11 parallel interface.  When it is opened or closed, a suitable
       number of page ejects is generated.  Bytes written are printed.

       The  unit  number of the printer is specified by the minor device after
       removing the low 3 bits, which act as per-device parameters.  Only  the
       lowest  of  the low three bits is interpreted: if it is set, the device
       is treated as having a 64-character set, rather than a full  96-charac‐
       ter  set.   In  the  resulting  half-ASCII  mode, lowercase letters are
       turned into uppercase and certain characters are approximated according
       to the following table:

	      Character Printer Approximation

		{(

		})

		`´

		|!

		~^

       The driver correctly interprets carriage returns, backspaces, tabs, and
       form feeds.  Lines longer than the maximum page	width  are  truncated.
       The default page width is 132 columns.  This can be overridden by spec‐
       ifying, for example, ``flags 0xff'' .

Files
See Also
       MAKEDEV(8)

				      VAX				 lp(4)
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