ASTRO VG-877 - 6.2 Setting and executing the H and V timing data

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5.16.2 CELPSPA [D9H]: Filled-in ellipse clearing
Function: This command clears the filled-in ellipse on the graphic plane (1-bit plane).
The center coordinates and radii of the ellipse are designated by the
parameters.
Sequence: Type 2
Parameters:
STX
1 byte
02H
CELPSPA
1 byte
D9H
Center coordinate X
2 to 5 bytes
Sign code + “0” to “4095” e.g. 100 “0100”
Sign code: “0” = +, “1” = -
*-2048 (“12048”) to +4096 (“04095”) in numerical
terms
Data delimiter
1 byte
“, “
Center coordinate Y
2 to 5 bytes
Sign code + “0” to “4095” e.g. 100 “0100”
Sign code: “0” = +, “1” = -
*-2048 (“12048”) to +4096 (“04095”) in numerical
terms
Data delimiter
1 byte
“, “
Radius RX
1 to 4 bytes
“1” to “4095”
Data delimiter
1 byte
“, “
Radius RY
1 to 4 bytes
“1” to “4095”
ETX
1 byte
03H
Fig. 5-16-2