Laser 128 - Page 79

CTRL-K:
CTRL - L:
CTRL - N:
CTRL - 0:
CTRL-Q:
CTRL-R:
CTRL -U :
INPUT/OUTPUT PORTS
Clear s the di sp lay from the
current cursor position to
th e bottom of the sc reen.
Clears the screen and moves
the cursor to the up per -l cft -
h and corner of the screen.
Di spl ays subseque nt te xt in
"normal" format, i.e. w hit e
charact ers on a black
background.
D isplays subsequen t te xt in
"inver se " format, i.e. black
characters on a wh ite
background.
Switches back to 40-column
disp l ay wh ile keepin g 80-
column features. Notice that
th e cursor wi ll still be a
non-flashing white block as
in 80-column mode in stea d
of the ord in ary fl as hin g
checker-board pat t ern.
Return s
di sp l ay.
to 80 -col umn
Sw '. -i...cs back to 40 -co lumn
di s play and disable s 80-
co lumn features. A fl ashing
checker-board cursor will be
di s pla yed instead of the
n on-flashing solid cur sor in
80-co lumn text mod e.
I-66