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dmb(4)

MAKEDEV(8)

dmbsp(4)

NAME

dmbsp − DMB32 serial printer interface

SYNTAX

device dmb0 at vaxbi? node? flags 0x???? 

vector dmbsint dmbaint dmblint

DESCRIPTION

A DMB32 supports a connection to a line printer through the line printer port of the DMB32. 

Bits 8-15 of the flags longword specify the number of columns per line on the line printer.  If 0 is specified, 132 columns will be used.  Bits 16-23 specify the number of lines per page.  If 0 is specified, 66 lines will be used. 

DIAGNOSTICS

dmb%d: Line Printer Disconnected.
This message occurs if an open is performed on the printer port when the DMB32 detects that there is no printer cable connected.

dmb%d: Printer DMA Error
A DMA output transfer to the printer failed. This could be caused by a memory error or an invalid pte.

FILES

/dev/lp? 

SEE ALSO

dmb(4), MAKEDEV(8)

Typewritten Software • bear@typewritten.org • Edmonds, WA 98026