IPR-NIOS Altera, IPR-NIOS Datasheet - Page 272

• Manufacturer Part Number: IPR-NIOS
• Description: IP NIOS II MEGACORE RENEW
• Manufacturer: Altera
• Type: MegaCorer

Specifications of IPR-NIOS

• License: Renewal License
• Lead Free Status / RoHS Status: Not applicable / Not applicable

8–86
ror
Nios II Processor Reference Handbook
Operation:
Assembler Syntax:
Example:
Description:
Exceptions:
Instruction Type:
Instruction Fields:
31
30
29
A
28
27
26
25
24
B
rC ← rA rotated right rB
ror rC, rA, rB
ror r6, r7, r8
Rotates rA right by the number of bits specified in rB
shift out of the register rotate into the most-significant bit positions. Bits 31– 5 of rB are
ignored.
None
R
A = Register index of operand rA
B = Register index of operand rB
C = Register index of operand rC
23
22
21
20
19
C
18
4..0
17
bit positions
16
15
14
0x0b
13
12
11
4..0
10
and stores the result in rC. The bits that
9
0
8
Chapter 8: Instruction Set Reference
December 2010 Altera Corporation
7
6
5
Instruction Set Reference
4
rotate right
0x3a
3
2
1
0