Star Micronics NX-2415II User Manual page 118

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The third byte, indicates the character type and the dot pattern data width
in the memory.
c
your character is block graphics, add 128 to the width of the dot
pattern in the memory.
Our telephone symbol is a normal character and the width of the dot pattern
in the memory should be 25, so this value is 25.
The fourth byte, indicates the printing attribute.
i c i
r c
If your character is a normal character, add 192 to the character width.
If your character is a block character and it should be printed as a line draw
character, add 64 to the character width. If the block character is not a line
draw character, this byte should be the same as the character width.
Our telephone symbol is a normal pica character, so the character width is 35,
and this byte should be 227.
The remaining five bytes through indicate the compression mask
bit. Each bits of this byte shows the data that will translate the compressed
dot pattern data back to the original character pattern.
For example, the compression mask bits of our telephone symbol are
0110000000000100111100100000000001 100000.So these bytes are 96,
4,242,0, and 96.
must define the index table data for all characters from Oto 255. If you
do not want to define a particular character, enter Ointo that index table data.
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