EarthLCD ezLCD-405, Manual

Page: 92 / 173

e z L C D -­‐ 4 0 5 | 92
Rev.
© 2016 Earth Computers Tech. Inc.
1.7.30 SAVE_POSITION
Description: Stores the Current Position to the Position ID.
The saved position may be later restored by the
RESTORE_POSITION command.
Code: 35
hex
, 53
dec
7 6 5 4 3 2 1 0
Byte 0: Command
Byte 1: POSITION ID = 0 to 255
See Also: RESTORE_POSITION , SET_XHY
Example:
Example:
The following sequence will draw 3 lines with the common starting point: (160, 117)
SET_XHY 85 hex
0 0 dec (x MSB)
160 160 dec (x LSB)
0 0 dec (y MSB)
117 117 dec (y LSB)
SAVE_POSITION 35 hex
12 12 dec (Position ID)
LINE_TO_XHY 88 hex
0 0 dec (x1 MSB)
247 247 dec (x1 LSB)
0 0 dec (y1 MSB)
67 67 dec (y1 LSB)
RESTORE_POSITION 36 hex
12 12 dec (Position ID)
LINE_TO_XHY 88 hex
0 0 dec (x1 MSB)
73 73 dec (x1 LSB)
0 0 dec (y1 MSB)
67 67 dec (y1 LSB)
RESTORE_POSITION 36 hex
12 12 dec (Position ID)
V_LINE 41 hex
217 217 dec
SAVE_POSITION
POSITION ID