Asynchronous Terminals and Printer Processes Programming Manual

CONTROL, CONTROLBUF, AND SETMODE FOR PRINTERS
CONTROL Operations
For subtypes 6 and 32:
parameter = 0 form feed (send %014)
1 - 15 single space (send %6412)
16 - 79 skip ( parameter - 16) lines
| 11 = wait for modem connect. For subtypes 3, 4, 6, 7, 8, 9,
| and 32:
parameter = none
| 12 = disconnect modem. For subtypes 3, 4, 6, 7, 8, 9, and 32:
parameter = none
CONTROLBUF OPERATIONS
CALL CONTROLBUF operation
operation
1 = load DAVFU. For subtype 4:
parameter = buffer VFU buffer to be loaded
count number of bytes contained in buffer
NOTE
| The 5512, 5515/5516, and the 5573 printers do not support
| CONTROLBUF operations.
SETMODE OPERATIONS
CALL SETMODE operation
operation
5 = set automatic perforation skip mode (assumes standard VFU
function in channel 2).
parameter-1 . 15 = 0 off, 66 lines per page
1 on, 60 lines per page (default)
C-2 November 1987