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4 graphics commands – Matrix Orbital GLK12232-25-SM Legacy User Manual

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Command

Syntax

Default

Notes

Set text insertion point to

top left

FE 48

254 72

254 ’H’

n/a

This

command

moves the text

insertion

point

to the top left

of the display

area, based on

the metrics of the

current font. See

"Set font metrics"

(section 3.3.7) for

more details.

Set text insertion point us-

ing pixel values

FE 79 [x][y]

254 121 [x][y]

254 ’y’ [x][y]

n/a

Sets text insertion

point to position

(x,y), where x and

y are in pixels.

Value is top left

corner of next text

character.

Set current font

FE 31 [font id]

254 49

254 ’1’

n/a

Sets font to [font

id]. Font must be

in memory

Set font metrics

FE 32 [metrics]

254 50 [metrics] 254 ’2’

[metrics]

n/a

For definition of

[metrics] see sec-

tion 3.3.7

9.4 Graphics Commands

Table 11: Graphics Commands

Command

Syntax

Notes

Set drawing color

FE 63 [color]

254 99 [color]

254 ’c’ [color]

Sets color (0 = white, 255 = black)

for the various drawing commands.

Draw line

E 6C [x1][y1][x2][y2] 254

108 [x1][y1][x2][y2] 254

’l’ [x1][y1][x2][y2]

Draws a line from x1,y1 to x2, y2. x

values are from 0 - 63 (decimal) and

y values from 0 - 239 (decimal).

Continue line

FE 65 [x][y]

254 101 [x][y]

254 ’e’ [x][y]

Continues line from last line end

(x2,y2) to (x,y). Uses current draw-

ing color.

Matrix Orbital

GLK12232-25-SM

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