ASTRO VG-877 - CSQRE [D1 H] Square Clearing

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5.9.2 CSQRE [D1H] Square clearing
Function: This command clears the square on the graphic plane (1-bit plane).
The start and end point coordinates are set by the parameters.
Sequence: Type 2
Parameters:
STX
1 byte
02H
CSQRE
1 byte
D1H
Top left coordinate X
1 to 4 bytes
“0” to “4095”
Data delimiter
1 byte
“, “
Top left coordinate Y
1 to 4 bytes
“0” to “4095”
Data delimiter
1 byte
“, “
Bottom right
coordinate X 1
1 to 4 bytes
“0” to “4095”
Data delimiter
1 byte
“, “
Bottom right
coordinate Y 1
1 to 4 bytes
“0” to “4095”
ETX
1 byte
03H
Fig. 5-9-2
* X < X1, Y < Y1