Tally Genicom Matrix Printer manual Esc, Data Structure

Select Font and Pitch by Point						ESC X
Data Structure	ASCII		ESC "X"		<m> <nL> <nH>	select font and pitch by point
	hex.		1B	58	<m> <nL> <nH>
	dec.		27	88	<m> <nL> <nH>
Description	Valid values:
	5	≤ m ≤ 127		m = 0.1
	0	≤ nL ≤ 255
	0	≤ nH ≤ 127

Selects the pitch and point attributes for scalable fonts.

Pitch:
m = 0			No change in pitch
m = 1			Selects proportional spacing
m ≥ 5			Selects fixed pitch equal to 360/m cpi
m = 36			default (10 cpi)
Points:
			(nH x 256) + nL		∧
(point size) =				inch	1 point = 1⁄72 inch
			2
n = INT	(point size) x 2
H			256
n = MOD		(point size) x 2
L			256
nH = nL = 0			No change in point size
nH = 0	}		default (10.5 points)
nL = 21

32Character Styling