Technical Reference Guide – Command descriptions > 154
The variables n1 and n2 specify the number of mode bytes
in the command. Normally n1 = 4 and n2 = 0.
The variables “m” control the mode: m1 = 0 m2 = 0
The values of m3 and m4 are defined as follows:
m3 = 0 0 N N 0 0 N N, m4 = 0 0 0 0 0 0 N N
line spacing/height, m4 = 0/character width
NN = 00, no change
NN = 01, standard
NN = 10, double
> Additional details
This command can be used with a double width command
to print double size characters.
Double height can be mixed with standard height
characters in the same line. The double height characters
will be printed twice as high from the same base line as the
standard height characters.
O
VERSCORE
SET
/
RESET
> Code: ESC _ n
> Compatibility:
ML1190 eco: IBM
ML1120 eco: IBM III
> Function:
Prints a continuous line (overscore) above the characters
designated.
> Range:
n = ODD, SET overscore mode
n = EVEN, RESET overscore mode
> Additional details:
Spaces specified by HT will not be overscored.
S
ELECT
CHARACTER
STYLE
> Code: ESC q n
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