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Advanced Function Instruction
7 -2 9
FUN 54
D
P
ROTR
ROTATE RIGHT
FUN 54
D
P
ROTR
D : Register to be rotated
N : Number of bits to be rotated
D, N may combine with V, Z, P0~P9 to serve
indirect address application
WX
WY
WM
WS TMR CTR
HR
IR
OR
SR
ROR
DR
K
XR
Range
Ope-
rand
WX0
∣
WX240
WY0
∣
WY240
WM0
∣
WM1896
WS0
∣
WS984
T0
∣
T255
C0
∣
C255
R0
∣
R3839
R3840
∣
R3903
R3904
∣
R3967
R3968
∣
R4167
R5000
∣
R8071
D0
∣
D4095
1 1
∣
or
∣
16 32
V
、
Z
P0~P9
D
○
○
○
○
○
○
○
○
*
○
*
○
○
N
○
○
○
○
○
○
○
○
○
○
○
○
○
○
z
When rotate control "EN" = 1 or "EN
↑
" (
P
instruction) has a transition from 0 to 1, will rotate the bit data of
D register towards the right by N successive bits (in descending order, ie. in a 16-bit instruction, B15
→
B14,
B14
→
B13, .... , B1
→
B0, B0
→
B15. In a 32-bit instruction, B31
→
B30, B30
→
B29, .... , B1
→
B0, B0
→
B31). At
the same time, the status of the rotated out B0 bits will appear at the rotate-out bit "OTB".
z
If the operand is 16 bit, the effective range of N is 1~16. For 32 bits (
D
instruction) operand, it is 1~32.
Beyond this range, will set the N value error flag "ERR" to 1, and do not carry out this instruction.
X0
EN
D :
N :
R 0
OTB
Y0
ERR
54P.ROTR
8
z
The instruction at left rotates data from R0 register
towards the right 8 successive bits. The results are
shown below.
B15 R0 B0
1 1 1 1 0 0 0 0 1 0 1 0 1 0 1 0
*
Y0
Ø
X0
=
B15 R0 B0
1 0 1 0 1 0 1 0 1 1 1 1 0 0 0 0
*
Y0 1
*
Содержание FBs Series
Страница 78: ...MEMO ...
Страница 111: ...4 6 X0 X1 Node A Y0 Y1 Node B differential down Incerse differential up t Scan time Inverse t t ...
Страница 141: ...Basic Function Instruction 6 16 FUN 2 SKP SKIP START FUN 2 SKP Y2 Y1 Y0 T201 10S X0 X1 X2 0 10 0 ...
Страница 305: ...MEMO ...
Страница 348: ...MEMO ...