ASTRO VG-871 - SHPS4 [20 H 65 H]: 0.5;0.25-Pixel Scroll Data Setting

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2.67 SHPS4 [20H 65H]: 0.5/0.25-pixel scroll data setting
Function: This command sets the 0.5- or 0.25-pixel scroll data of the designated
program number. When the program number is 0, it writes the data into the
buffer RAM. When it is 9999, it writes the data into the command work
RAM.
Sequence: Type 2
Parameters:
STX
1 byte
02H
VG4CMD
1 byte
FDH
SHPS4
2 bytes
20H 65H
Program number
1 to 4 bytes
“0” to “1000”, “9999”
,
1 byte
2CH (Delimiter)
0.5/0.25-pixel scroll
ON/OFF
1 byte
“0” = OFF, “1” = ON
,
1 byte
2CH (Delimiter)
Reserved
1byte
“0” fixed
1 byte
2CH (Delimiter)
Movement direction
1 byte
“0” = Left, “1” = Right
,
1 byte
2CH (Delimiter)
V direction offset value
1 to 3 bytes
"0" to "100" %
,
1 byte
2CH (Delimiter)
Moving amount
1 to 6 bytes
“0” to “254875”
ETX
1 byte
03H
Fig. 2-67-1