Lexmark Dot Matrix Technical Reference - Page 111

Part Two: Specifying the Download Data, Attribute byte 1

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Part Two: Specifying the Download Data Attribute byte 1 specifies the character type and additional information. Bit Bit Values Functions 7 0 if the character is an Ignored if bit 0 or bit 1 is set to 1. ascender (a character using only the upper 8 wires of the print head). 1 if the character is a descender, a character using only the lower 8 wires of the print head (for example, g). Ignored if bit 0 or bit 1 is set to 1. 6-2 Not used; set to zeros. 1, 0 0,0 no expansion. Normal ascender/descender character based on bit 7. 0,1 line-drawing character. The dots in row 8 are extended downward through rows 9, 10, 11, and 12. Bit 7 is ignored. Use this mode to create characters similar to resident font characters 179 to 223. 1,0 shading character. The dots in rows 1, 2, 3, and 4 are repeated as rows 9, 10, 11, and 12. NLQ mode is ignored. Use this mode to create characters similar to resident font characters 176 to 178. 1,1 not valid. 111 Section 7: Downloading Characters and Fonts

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111
Section 7: Downloading Characters and Fonts
Part Two: Specifying the Download Data
Attribute byte 1
specifies the character type and additional information.
Bit
Bit Values
Functions
7
0
if the character is an
ascender (a character using
only the upper 8 wires of
the print head).
Ignored if bit 0 or bit 1 is set to 1.
1
if the character is a
descender, a character
using only the lower 8
wires of the print head (for
example,
g
).
Ignored if bit 0 or bit 1 is set to 1.
6-2
Not used; set to zeros.
1, 0
0,0
no expansion.
Normal ascender/descender character
based on bit 7.
0,1
line-drawing character.
The dots in row 8 are extended downward
through rows 9, 10, 11, and 12. Bit 7 is
ignored. Use this mode to create characters
similar to resident font characters 179 to
223.
1,0
shading character.
The dots in rows 1, 2, 3, and 4 are repeated
as rows 9, 10, 11, and 12. NLQ mode is
ignored. Use this mode to create characters
similar to resident font characters 176 to
178.
1,1
not valid.