Laser 128 - Page 81

INPUT / OUTPUT PORTS
Besides
the above contro l- character
command s, . some "ESCape - codc" commands
are also recognized by th e computer in 80-
column t ext mode . They arc two-c hara c ter
comma nd s made up of a "lead-in" character
("ESC") and a comma nd character. Th e
available "ESCape-code" commands arc lis ted
below:
ESC@ :
ESC E:
ESC F:
ESC 4:
ESC 8:
Cl ears the scree n a nd places
the cursor at the up pe r-left-
hand corner of the sc r een.
Clears the disp l ay from the
current c ur sor pos iti on to
the e nd of the lin e.
Clears th e di sp l ay from the
current c ur sor position to
the bottom of the screen.
Switches to 40-column
di splay while keeping 80-
column features.
Returns
display.
to
80 - column
ESC CTRL -Q : Switches back to 40- co lumn
di spl ay and disables 80-
column features .
ESC CTRL -D : Di sab l es recognition of
control-character commands
wh ich app ly to 80-co lumn
mode only.
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