Laser 128 - Parallel Printer Commands

6.1.2.1
INPUT / OUTPUT PORTS
The "Parallel / Serial" switch located above
the keyboard selects either the parallel
printer or the serial printer as the ha rdcopy-
printing device. To activate the printer port,
type the following statement while you are
in BASIC command level:
]PR#l <CR>
The following characters you type will then
be printed on the printer whenever the
"RETURN" key is pressed.
Parallel printer commands
When the parallel printer is activated, the
computer will rec og ni ze several parallel
printer comma nds . The printer command is
made up of a "lead-in" character { CTRL -1)
and a command character code . The
following is a list of th e available parallel
printer commands:
CTRL -1 "c":
Change
the printer
command "lead -in" character
from CTRL-1 to the control-
c har acter "c". Fo r examp le,
typing "CTRL-1 CTRL -P"
c han ges the "lead-i n"
character to "CTRL-P".
Subsequent printer com-
mands must begin with a
"CTRL-P", followed by the
actual command ch aracte r.
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