Specifications

Exceptions
None
Instruction Type
R
Instruction Fields
C = Register index of operand rC
Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
0 0 C 0x1c
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0x1c 0 0x3a
nop
Instruction
no operation
Operation
None
Assembler Syntax
nop
Example
nop
Description
nop does nothing.
Pseudo-instruction
nop is implemented as add r0, r0, r0.
nor
Instruction
bitwise logical nor
Operation
rC ← ~(rA | rB)
Assembler Syntax
nor rC, rA, rB
Example
nor r6, r7, r8
Description
Calculates the bitwise logical NOR of rA and rB and stores the
result in rC.
Exceptions
None
Instruction Type
R
NII51017
2015.04.02
nop
8-63
Instruction Set Reference
Altera Corporation
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