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8.6 Bar Graphs and Special Characters

The commands in this section are used to deﬁne and display bar graphs and special characters.

Table 26: Bar Graphs and Special Characters

Command Syntax Notes

Initialize thick vertical bar

graph

FE 76

254 118

254 ’v’

Initializes the user character set to

make wide vertical bar graphs.

Initialize medium digits FE 6D

254 109

254 ’m’

Initializes the user character set to

make medium digits.

Initialize thin vertical bar

graph

FE 73

254 115

254 ’s’

Initializes the user character set to

make narrow vertical bar graphs.

Initialize horizontal bar

graph

FE 68

254 104

254 ’h’

Initializes the user character set to

make horizontal bar graphs.

Deﬁne custom character FE 4E [c][8 bytes]

254 78 [c][8 bytes]

254 ’N’ [c][8 bytes]

Deﬁnes one of 8 custom "user" char-

acters. Character number is [c] be-

tween 0x00 and 0x07.

Draw vertical bar graph FE 3D [col][length]

254 61 [col][length]

254 ’=’ [col][length]

Draws a vertical bar graph at column

[col] of length [length]. Length is

measured in pixels (0x00 to 0x14).

User must ﬁrst use the ’v’ or ’s’

command to initialize characters.

Draw horizontal bar graph FE 7C [c][r][d][length ]

254 124 [c][r][d][length]

254 ’|’ [c][r][d][length]

Draws a horizontal bar graph start-

ing at column [c] on row [r] with di-

rection [d] (0 is right, 1 is left) of

length [length]. Length is measured

in pixels (0x00 to 0x64 if starting in

column 1). User must ﬁrst use the

’h’ command to initialize characters.

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