2.2.43 (2) OR (W)
OR (inclusive OR logical)
Logical OR
Operation
Rd
∨
(EAs)
→
Rd
Assembly-Language Format
OR.W
<EAs>, Rd
Operand Size
Word
Condition Code
H: Previous value remains unchanged.
N: Set to 1 if the result is negative; otherwise
cleared to 0.
Z: Set to 1 if the result is zero; otherwise
cleared to 0.
V: Always cleared to 0.
C: Previous value remains unchanged.
I
UI
H
U
N
Z
V
C
—
—
—
—
↕
↕
0
—
Description
This instruction ORs the source operand with the contents of a 16-bit register Rd (destination
register) and stores the result in the 16-bit register Rd.
Available Registers
Rd: R0 to R7, E0 to E7
Rs:
R0 to R7, E0 to E7
Operand Format and Number of States Required for Execution
Notes
Instruction Format
1st byte
2nd byte
3rd byte
4th byte
Immediate
OR.W
#xx:16, Rd
7
9
4
rd
IMM
4
Register direct
OR.W
Rs, Rd
6
4
rs
rd
2
No. of
States
Addressing
Mode
Mnemonic
Operands
140