Oki MICROLINE ML521 Reference Manual page 81

Here is a breakdown of the definitions for the various bit values for a
Bit b :
7
b = 0: ascender
7
b = 1: descender
7
Note: If b or b
0
Bits b , b , b , b , b
6 5 4 3
Bits b and b :
1 0
b , b = 0, 0: No expansion to 12 dots high: b
1 0
b , b = 0, 1: Selects line draw characters; data is expanded to a total height of 12
1 0
dots in two passes: b
b , b = 1, 0: Shaded character; data is expanded to a total height of 12 dots in two
1 0
passes: b
b , b = 1, 1: NUL is expanded to a total height of 12 dots in two passes: b
1 0
Parameter a
2
Parameter a denotes the total width of the character in dots.
2
End the command with the data for the character calculated from your grid. If you're
downloading several characters, you only need one ESC & NUL command, and you only need
to include m and n once, but you must include a value for parameter a in each set of character
data.
42
is 0, b is ignored.
1 7
: ignored
2
ignored.
7
ignored.
7
Table 34: IBM ESC = Command —
Character Widths for a
a (Decimal)
2
0
1
2
3
4
5
6
7
8
9
10
11
Chapter 5: Custom Character Commands
1
valid
7
Values
2
Character Width, in Dots
Ignored
1 column wide
2 columns wide
3 columns wide
4 columns wide
5 columns wide
6 columns wide
7 columns wide
8 columns wide
9 columns wide
10 columns wide
11 columns wide
:
ignored.
7