Toshiba PROSEC T1-16S User Manual page 174

7. Instructions
FUN 078 RTR1
Expression
Input [ RTR1 A ] Output
Function
When the input is ON, the data of register A is rotated 1 bit to the right (LSB direction). The pushed
out bit state is stored in the left most bit (MSB) and in the carry flag (CF = S050). After the
operation, if the right most bit (LSB) is ON, the output is turned ON.
Execution condition
Input
OFF No execution
ON Execution When LSB = 1
When LSB = 0
Operand
Name
X
A Operation data
Example
When X007 is changed from OFF to ON, the data of RW15 is rotated 1 bit to the right.
The figure below shows an operation example.
(MSB)
F E
RW15 0 1 0 0 0 0 1 0 1 0 0 0 1 0 1 0
RW15 0 0 1 0 0 0 0 1 0 1 0 0 0 1 0 1
(Result)
172
T1-16S User's Manual
1 bit rotate right
Operation
Device
Y R S T. C. XW YW RW SW T
D C B A 9 8 7 6
Output
OFF
ON
OFF
Register
C
(LSB)
5 4 3 2 1 0
CF
Set or reset
Set or reset
Constant Index
D I J K
CF
0
R001 is turned ON
6F3B0253