ASTRO VG-871 - Page 324

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3.14 CHASTR4 [28H 2DH]: Character plane character
string drawing
Function: This command draws a character string on the character plane.
Sequence: Type 2
Command:
STX
1 byte
02H
VG4CMD
1 byte
FDH
CHASTR4
2 bytes
28H 2DH
Font size
1 byte
“0” = 5×7, “1” = 7×9, “2” = 16×16
,
1 byte
2CH (Delimiter)
Coordinate X
1 to 4 bytes
“0” to “4095”
,
1 byte
2CH (Delimiter)
Coordinate Y
1 to 4 bytes
“0” to “4095”
,
1 byte
2CH (Delimiter)
Character string
1 to 256
bytes
ASCII
,
1 byte
2CH (Delimiter)
Drawing mode
1 byte
“1” = Set, “2” = OR
ETX
1 byte
03H
Fig. 3.14-1
When the drawing mode setting has been omitted as in the figure below, the dot is drawn
in the Set mode.
STX
1 byte
02H
VG4CMD
1 byte
FDH
CHASTR4
2 bytes
28H 2DH
Font size
1 byte
“0” = 5×7, “1” = 7×9, “2” = 16×16
,
1 byte
2CH (Delimiter)
Coordinate X
1 to 4 bytes
“0” to “4095”
,
1 byte
2CH (Delimiter)
Coordinate Y
1 to 4 bytes
“0” to “4095”
,
1 byte
2CH (Delimiter)
Character string
1 to 256
bytes
ASCII
ETX
1 byte
03H
Fig. 3-14-2