Matrix Orbital DD-DB1 LCD/VFD Dev Board - Manual (Page 26)

3.11.Initialize
Vertical Bar
Dec
Hex
ASCII 254 118
FE 76
v ■
Loads the horizontal bar graph custom character bank into memory. Horizontal bar characters must be initialized before
a graph is displayed.
3.12.Place
Vertical Bar
Dec
Hex
ASCII 254 61
FE 3D
= ■
Column Length
Column Length
Column Length
Places a vertical bar graph on the screen beginning at the column and row specified. The bar extends upwards to the
length indicated. A new bar will over write the old.
Column 1 byte, value between 1 and 2 for 20x2 screen or 1 and 4 for 20x4 screen
Length 1 byte, length in pixels of the graph (0-16 for 20x2 and 0-32 for 20x4)
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