Chapter 2 INDIVIDUAL FORMATS FOR VG CONTROL COMMANDS
89
2.30
LSD4 [20H 3DH]: Scart data readout
Function:
This command reads the Scart data of the designated program number.
When the program number is 0, it reads out the data from the buffer RAM.
When the program has any number from 1001 to 2000, the command reads
out from the fixed data. When the program number is 9999, the command
reads the data from the command work RAM.
Sequence: Type 3
Command:
STX
1 byte
02H
VG4CMD
1 byte
FDH
LSD4
2 bytes
20H 3DH
Program number
1 to 4 bytes
“0” to “2000”, “9999”
ETX
1 byte
03H
Fig. 2-30-1
Data:
STX
1 byte
02H
TRDT
1 byte
10H
Output selection
1 byte
“0” = CVBS (Composite)
“1” = Y/C
“2” = RGB
,
1 byte
2CH (Delimiter)
Video status
1 byte
“0” = Auto
“1” = 4:3
“2” = 16:9
“3” = NoSignal
,
1 byte
2CH (Delimiter)
RGB status
1 byte
“0” = Auto
“1” = VBS
“2” = RGB
“3” = FastBlanking
,
1 byte
2CH (Delimiter)
Audio output CH 1
1 byte
“0” = OFF, “1” = ON
,
1 byte
2CH (Delimiter)
Audio output CH 2
“0” = OFF, “1” = ON
ETX
1 byte
03H
Fig. 2-30-2
Summary of Contents for VG-870
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