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Appendix h - continued – AMT Datasouth 41AY89AR777 User Manual

Page 169

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APPENDIX H - CONTINUED

If the MSB is 1, the character c»ccupies the top eight dot positions of the matrix as
shown in Figure H.4.

Figure H.4 Epson FX MSB Equal to 1

The remaining eleven bytes specified by “pi” through “pi 1” contain the data
which defines the character. Each dot location is assigned a decimal value as
shown below.

PRINTWIRE

NUMBER

1

»i

2 --- w
3 ----■>

4

------ »i

5 ----»"
6

-- »-

7 —

m-

8

—»■

9 —»■

DECIMAL

VALUE

— 128

64

32

16

8

4

2

1

The decimal value for the printable dots in each column are added and this value
is sent to the printer as character data.

H-19

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