Toshiba PROSEC T1 - Page 186

6F3B0250
184
T1/T1S User’s Manual
7. Instructions
FUN 070 SHR n bit shift right
Expression
Input
-
[
A
SHR
n
®
B
]
-
Output
Function
When the input is ON, the data of register
A
is shifted
n
bits to the right (LSB direction) including the
carry flag (CF = S050), and stored in
B
. 0 is stored in upper
n
bits. After the operation, if the right most
bit (LSB) is ON, the output is turned ON.
Execution condition
Input Operation Output CF
OFF No execution OFF
-
ON Execution When LSB = 1 ON Set or reset
When LSB = 0 OFF Set or reset
Operand
Name Device Re
g
ister Constant Index
X Y R S T. C. XW YW RW SW T C D I J K
A
Source
ÖÖÖÖÖÖÖÖÖÖ Ö Ö
n
Shift bits 1 - 16
B
Destination
ÖÖÖÖÖÖÖÖÖ Ö
Example
When X007 is changed from OFF to ON, the data of RW18 is shifted 5 bits to the right and the
result is stored in RW20.
The figure below shows an operation example.
(MSB) (LSB)
FEDCBA9876543210
RW18 0100001010011010
CF
RW20 0000001000010100 1
(Result)
0 R001 is turned OFF
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