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A953 HANDY GOT
12.5.6
Random read command (RR)
The contents of the random read command are shown below.
1 byte
2 bytes
STX
R
R
Address 1
(02H)
1 byte
4 bytes
STX
Data 1
(02H)
Use example
When virtual devices D100, D26 and D163 of the GOT are read
STX R
R
(02H)
STX
Contents of D100
3
6
(02H)
H
L
262 bytes maximum
4 × (1 to 64) bytes
Address 2
. . . . .
Sum check range
Check was normally finished.
260 bytes maximum
4 bytes
Data 2
. . . . .
Sum check range
D26
3D21H
D100 3604H
D163 08ABH
D100
D26
0
1
0
0
0
0
2
6
H
MH
ML
L
H
MH
ML
L
Check was normally finished.
Contents of D26
Contents of D163
0
4
3
D
2
1
0
8
H
L
H
L
H
L
H
L
1 byte
2 bytes
Address n
ETX
Sum
check
(03H)
4 bytes
1 byte
2 bytes
Data n
ETX
Sum
check
(03H)
D163
ETX
Sum
check
Sent from the host to the GOT
0
1
6
3
F
A
H
MH
ML
L
(03H)
H
L
Sum
ETX
check
Sent from the GOT to the host
A
B
9
9
H
L
(03H)
H
L
Connection to Microcomputer 12
NAK
(15H)
Error
occurred.
12-11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
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